US20230392399A1 - Device for removing building material - Google Patents
Device for removing building material Download PDFInfo
- Publication number
- US20230392399A1 US20230392399A1 US18/250,943 US202118250943A US2023392399A1 US 20230392399 A1 US20230392399 A1 US 20230392399A1 US 202118250943 A US202118250943 A US 202118250943A US 2023392399 A1 US2023392399 A1 US 2023392399A1
- Authority
- US
- United States
- Prior art keywords
- brush element
- building material
- brush
- work machine
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
- E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/001—Cylindrical or annular brush bodies
- A46B13/003—Cylindrical or annular brush bodies made up of a series of annular brush rings; Annular brush rings therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
- B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/047—Grinding heads for working on plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
- B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3066—Brush specifically designed for use with street cleaning machinery
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3073—Brush for cleaning specific unusual places not otherwise covered, e.g. gutters, golf clubs, tops of tin cans, corners
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3093—Brush with abrasive properties, e.g. wire bristles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
Definitions
- the present invention relates generally to work machines. More specifically, the present invention relates to attachments for work machines.
- Work machines are used in construction to accomplish tasks that would be time-consuming, dangerous, physically impossible, or otherwise suboptimal to do through manual labour.
- Work machines often comprise a prime mover, operated by an operator or operators, various attachments, and other useful features.
- Attachments are used to accomplish many of the tasks performed by work machines. Such attachments may range from a simple plough attachment to move dirt to complex robotics that may complete specialized tasks. Attachments may be powered through a variety of means, such as hydraulics, electricity, the engine of the prime mover, or the attachments may simply rely on their dead weight.
- Skid-steer loaders are a particular type of wheeled and self-propelled work machine characterized by a differential steering system, a resulting narrow turning radius, and a small size relative to other work machines used in construction. Skid-steer loaders are one of the most common self-propelled work machines used in construction.
- skid-steer loaders have a wide range of uses. Skid-steer loaders are particularly useful where their size or manoeuvrability address the inherent limitations of a job. Skid-steer loaders are frequently used in excavation, land clearing, pallet lifting, snow-blowing, and other applications. These applications require a wide range of attachments to accomplish their desired outcomes, and skid-steer loaders are designed to readily accommodate such attachments.
- This document discloses a device comprising a device for removing fireproofing or insulation from structural features of a building, an associated arm, and a mounting mechanism by which the device attaches to a work machine.
- This documents further discloses a kit for assembling the above device.
- This document also discloses a method for removing fireproofing or insulation from the structural features of a building by means of such a device.
- this document discloses a device for removing building material comprising: at least one brush element arranged along an axis transverse to a direction of travel of a work machine; a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to said work machine; and an arm connecting said at least one brush element and said universal mounting plate, wherein said arm is designed to raise, lower, and maintain said device in an elevated position so as to put said at least one brush element in contact with said building material, wherein said at least one brush element is connected to a drive unit, and wherein said drive unit powers the rotation of said at least one brush element around said axis.
- this document discloses a method for removing building material using a device comprising: at least one brush element arranged along an axis transverse to a direction of travel of a work machine; a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to said work machine; and an arm connecting said at least one brush element and said universal mounting plate, wherein said arm is designed to raise, lower, and maintain said device in an elevated position so as to put said at least one brush element in contact with said building material, wherein said at least one brush element is connected to a drive unit, and wherein said drive unit powers the rotation of said at least one brush element around said axis, said method comprising: engaging said building material with an outer surface of said at least one brush element; rotating said at least one brush element relative to said building material; stripping said building material from a zone of structural elements of a building; moving said at least one brush element in a direction of travel of said work machine; and removing said stripped building material from a work environment, said engaging step comprising elevating said
- this document discloses a kit for assembly of a device for removing building material, comprising: a brush unit comprising at least one brush element and a housing; an arm unit comprising at least one of: at least one telescopic section, at least one rigid structural member, and at least one connection joint; and a mounting unit comprising a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to a work machine.
- this document discloses a kit for assembly of a device for removing building material, comprising: a brush unit comprising at least one brush element and a housing capable of removable attachment of said at least one brush element; an arm unit comprising at least one of: at least one telescopic section, at least one rigid structural member, and at least one connection joint; a mounting unit comprising a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to a work machine; and a drive unit capable of connecting to said brush unit and thereby rotating said at least one brush element.
- FIG. 1 is a perspective view of the device in an elevated position according to an example embodiment.
- FIG. 2 is a side view of the device shown in FIG. 1 .
- FIG. 3 is a bottom view of a brush unit according to an example embodiment.
- FIG. 4 is a side view of a motive unit for the brush unit shown in FIG. 1 .
- FIG. 5 A is a front view of the male end of a flat joint according to an example embodiment.
- FIG. 5 B is a front view of the female end of a flat joint according to an example embodiment.
- FIG. 6 is a top view of a connection joint.
- This document discloses a device capable of being attached to a work machine and which is designed to remove fireproofing, insulation, and other material from buildings.
- the device comprises a brush element that, when in contact with the material, rotates and strips the material from the building.
- the device is elevated by the work machine to contact the material to be stripped. This enables rapid clearing of the material with significantly fewer personnel.
- a device 1 for removing building material is shown in perspective view.
- the device 1 is removably attached to a work machine 2 by means of a universal mounting plate 10 that is attached to an arm 12 .
- a universal mounting plate 10 removably attaches to the work machine 2 via a work-machine attachment interface 9 .
- the work-machine attachment interface 9 is, according to one embodiment, designed to fit a variety of attachments for the work machine 2 and to allow the attachments to be readily switched. This allows the operator 8 of the work machine 2 to readily exchange attachments, thereby allowing the work machine 2 to accomplish a wide range of functions.
- the work machine 2 is able to elevate the device 1 through a work-machine elevation mechanism 4 , which is controlled by the operator 8 .
- the work-machine elevation mechanism 4 may raise the device 1 so as to place brush element 15 of the device 1 in contact with building material, such as fireproofing and/or insulation located on a building ceiling or wall.
- the work-machine elevation mechanism 4 raises and lowers a work-machine elevation arm 3 on which the work-machine attachment interface 9 is mounted.
- the operator 8 therefore has the ability to adjust the vertical position of the device 1 from the work-machine cab 6 when the work-machine elevation mechanism 4 is engaged.
- Adjusting the vertical position of the device 1 allows the brush element 15 to contact a variety of elevated surfaces.
- Those elevated surfaces may be previously coated with fireproofing, insulation, or other materials, and may be on any variety of structural elements of buildings including, but not limited to, ceilings, walls, beams, and columns.
- the brush element 15 contacting the building material and itself rotating allows the stripping of the building material from the structural elements of the building.
- the brush element 15 is held within a brush housing 14 by means of clamps, screws, bolts, or other fasteners, which enables the integration of the brush unit 13 with the rest of the device 1 .
- the brush element is mounted on an axle 16 , which rotates according to an axis A.
- the axis A is transverse to a direction of motion of the work machine 2 .
- the brush unit 13 comprises the brush element 15 , the axle 16 , the brush housing 14 , and an optional brush guard 17 .
- the brush guard 17 protects the brush element 15 from foreign objects.
- the brush guard 17 also protects the operator 8 , workers, and other surrounding objects from being ensnared in the rotating brush element 15 .
- the brush guard 17 may serve as a mounting platform for further devices used to remove from the work environment any building material after it has been stripped.
- Such further devices may include a spade or a material gathering apparatus such as a vacuum device, a scoop, or plough that facilitates safe collection of the stripped material.
- the arm 12 serves a variety of purposes. As clear from the illustration, the arm 12 displaces the universal mounting plate 10 relative to the brush unit 13 . However, the arm 12 also extends the length of the overall device 1 , thereby allowing the brush element 15 to come into contact with the building material to be stripped such as within a building with tall ceilings.
- the arm 12 includes a connection joint 11 . While the connection joint 11 as illustrated is shown welded at a fixed angle, it should be understood that the connection joint allows for different angles at which the brush unit 13 approaches the building material. This angle may affect the efficacy of the removal of the building material as well as the manoeuverability of the device 1 within the building.
- the angle by which the arm 12 is fixed relative to the universal mounting plate 10 determines the overall range of use of the device 1 .
- this allows the operator 8 to optimize contact with the building material.
- it may be preferred that the axis of rotation A is parallel to the plane of the surface to which the building material is to be removed from.
- Removing a suitable amount (i.e., stripping most or all) of the building material from the given building surface(s) also requires that the device 1 access as much of the area coated by the building material as is possible. As described above, this requires that the brush element 15 contact the building material.
- the work machine 2 may advance in a direction of travel due to the use of work-machine wheels 7 or other motive means (e.g., tracks or the like) while the operator 8 is present in the work-machine cab 6 .
- the work-machine cab 6 may have a variety of implements (not shown), such as steering and driving mechanisms or mirrors to allow the operator 8 to visualize the elevated surface contacted by the brush element 15 .
- This motorized advancement of the work machine 2 allows the device 1 to access a large area coated by the building material in a short amount of time, thereby stripping building material at a much faster rate and a more efficient manner than a human using manual tools or hand-held abrasion machines.
- FIG. 2 a side view of the device 1 is shown.
- the arm 12 is shown to connect the brush unit 13 to the universal mounting plate 10 , which itself connects to the work machine 2 .
- the connecting features of the arm 12 are further shown according to a preferred embodiment.
- the brush unit 13 connects to a distal arm section 104 , which joins a medial arm section 108 by means of a flat joint 105 .
- the flat joint is secured by threaded bolts 106 and threaded nuts 107 .
- the use of a flat joint 105 between the distal arm section 104 and the medial arm section 108 enables the operator 8 or other workers to quickly change the distal arm section 104 between different lengths without adjusting the connection joint 11 .
- connection joint 11 couples the medial arm section 108 and a proximal arm section 109 .
- the proximal arm section 109 lengthens the overall arm 12 while also providing clearance between the work machine 2 and the device 1 .
- the connection joint 11 may comprise a variety of joint types that allow further adjustment and range of the angle between the medial arm section 108 and the proximal arm section 109 .
- the arm may include additional arm sections (not shown) joined by connection joints 11 , flat joints 105 , or other joint types such as an articulating joint. This would allow for improved height, manoeuvrability, reach, and other characteristics to enable more efficient stripping of building material.
- the arm 12 also provides support and guidance for a system for driving the rotation of the brush element 15 . Such guidance prevents elements of the system from becoming entangled with obstacles in the work environment.
- An example of such a drive system to power the attachment is further depicted in FIG. 4 .
- the drive system is hydraulic, which has the benefit of connecting to existing hydraulic and/or drive systems in many different types of work machines including, but not limited to, skid-steer loaders, tractors, mini-excavators, and the like.
- hydraulic fluid flows out of an outflow hydraulic nozzle 115 through a main outflow hose 111 .
- the main outflow hose 111 may be attached to the outflow hydraulic nozzle 115 by means of, for example, a quick connector 113 .
- the main outflow hose 111 may be readily detached from and attached to the outflow hydraulic nozzle 115 , allowing for a quicker detachment or attachment between the two. This is of particular benefit should the device 1 be moved to a different work machine 2 . It should further be understood that while a particular length of hydraulic hose is shown, any suitable length or extensions to such length may be used without straying from the intended scope of the present invention. Indeed, any increase in the length of the arm through additional arm sections as mentioned above may also require a corresponding extension to the hydraulic hoses.
- the hydraulic fluid then flows through the main outflow hose 111 to a hose spacer 103 .
- the hose spacer 103 provides a rigid means of spacing the main outflow hose 111 and main return hose 112 . This prevents rubbing and chafing between the main outflow hose 111 and main return hose 112 , which may lead to leaks. Leaks in the hydraulic system would result in a loss of power as well as contamination of the work environment with hydraulic fluid.
- the hose spacer 103 also connects the main outflow hose 111 with a terminal outflow hose 102 , which in turn connects to a hydraulic motor 101 .
- Using the hose spacer 103 in this way allows for the main outflow hose 111 to be changed to alter the length of the hose 111 , while avoiding the need to reseal the connection between the terminal outflow hose 102 and the hydraulic motor 101 .
- This is helpful when changing the length of the distal arm section 104 , as the length of the main outflow hose 111 must correspondingly change to ensure a continuous hydraulic line between the outflow hydraulic hose 115 and the hydraulic motor 101 .
- the hydraulic motor 101 powers the rotation of the brush element 15 .
- the mechanism of this example will be further described in FIG. 4 .
- the hydraulic fluid returns to the work machine 2 by exiting the hydraulic motor 101 and entering a terminal return hose 100 .
- the terminal return hose 100 connects to the hose spacer 103 , which in turn connects to the main return hose 112 .
- the hydraulic fluid then flows through the main return hose 112 to the return hydraulic nozzle 114 .
- the main return hose 112 and return hydraulic nozzle 114 may be connected by a quick connector 113 . This creates a complete hydraulic circuit that powers the hydraulic motor 101 , and, by extension, the rotation of the brush element 15 .
- FIG. 3 a bottom view of a brush unit 13 is shown.
- One brush element 15 is shown, though multiple brush elements may be used in series or parallel configurations.
- the brush element 15 is arranged along an axle 16 , with an axis of rotation A that is preferably arranged as being transverse to a direction of travel of the work machine 2 .
- Multiple brush elements may be arranged along additional axles (not shown) and may rotate in a same or different direction as the brush element 15 , depending on the building material to be removed and other factors.
- the brush element 15 includes a plurality of bristles 200 , which are the smallest structures that contact the building material to be stripped. While in this example embodiment the bristles 200 are arranged so as to form a cylindrical brush element 15 , the bristles 200 may also be arranged to form different shapes to better match structural elements, such as corners or I-beams, of the building to be stripped. The texture, stiffness, and other characteristics of the bristles 200 are preferably matched to the composition of the building material to be stripped. As an example, removal of hardened fireproofing material may require stiff bristles 200 .
- the brush element 15 is supported by the brush housing 14 .
- the brush housing 14 includes a brush support arm 201 , a brush-housing crossbar 202 , and another brush support arm 201 .
- the axle 16 and the brush-housing crossbar 202 link the two brush support arms 201 .
- This brush housing 14 provides a rigid supportive frame around the brush element 15 , and forms, together with the brush element 14 and axle 16 , an example of a brush unit 13 .
- the brush-housing crossbar 202 is removably attached to the distal arm section 104 by means of a brush angle joint 203 .
- This brush angle joint 203 attaches to the distal arm section 104 through threaded bolts 106 , 106 a and corresponding threaded nuts 107 .
- the brush angle joint 203 may allow the distal arm section 104 to be changed out to adjust the overall length of the arm 12 .
- the brush angle joint 203 may also be configured to allow the angle between the brush-housing crossbar 202 and the distal arm section 104 to be altered. This may be accomplished by providing additional holes (not shown) in the plate that forms the brush angle joint 203 for reinsertion of threaded bolts 106 and rotating the brush housing 14 about a pivot point created by the centrally located threaded bolt 106 a.
- the brush housing 14 also provides an attachment point for a drive mechanism, which in this example embodiment includes a hydraulically actuated motor 101 .
- Angled hydraulic connectors 204 connect the terminal outflow hose 102 and terminal return hose 100 to the hydraulic motor 101 through threaded nuts 107 .
- These angled hydraulic connectors 204 and threaded nuts 107 provide a secure, compact, and durable connection to the other elements of the hydraulic system. It should be understood that any other type of hydraulic connection or fitting may be used in addition to or in lieu of the angled hydraulic connectors 204 .
- FIG. 4 a side view of an example embodiment of a drive system for the brush element 15 is shown.
- the hydraulic motor 101 is attached to a drive cog 301 .
- the brush element 15 is similarly attached to a brush cog 304 .
- the drive cog 301 and brush cog 304 are coupled by a chain 302 .
- the chain 302 is guided by a chain guide 300 to prevent the chain 302 from falling off or becoming ensnared.
- a chain cover 303 also protects the chain 302 , drive cog 301 , and brush cog 304 .
- FIG. 4 provides for a hydraulic drive system
- the drive system could also be powered by other means.
- the drive system may also be powered by electricity, the engine of the work machine 2 , direct-drive, or other suitable means. These may be more or less desirable depending on the task to be accomplished.
- FIG. 5 A shows a flat joint male end 403
- FIG. 5 B shows a flat joint female end 400
- the flat joint male end 403 has a series of bolt holes 405 that allow threaded bolts 106 to enter.
- flat washers 402 are used to prevent stress on the bolt holes 405 and flat joint 105 from the heads of the threaded bolts 106 .
- a flat joint coupling shaft 404 extends from the flat joint male end 403 into a flat joint receiving shaft 401 contained within the flat joint female end 400 . This enables a piloted connection as well as providing additional reinforcement and stability for the flat joint 105 .
- the flat joint 105 connects the distal arm section 104 to the medial arm section 108 , but additional flat joints 105 (not shown) may be used to connect further arm sections.
- connection joint 11 a top view of a connection joint 11 is shown.
- the medial arm section 108 includes a connection joint male end 501 , which is shaped so as to be received by a connection joint female end 502 .
- the connection joint female end 502 extends from a female end brace bar 506 .
- the female end brace bar 506 is welded to an end of the medial arm section 108 , though the female end brace bar 506 may be attached in a variety of ways and may be attached to other arm sections where a connection joint 11 is desirable.
- a connection joint brace plate 507 is attached to the top of the female end brace bar 506 to enable firm attachment to the connection joint male end 501 and provide extra stabilization and support.
- connection joint male end 501 is a protrusion of the universal mounting plate 10 .
- Mounting braces 111 provide stability and rigidity to the connection joint male end 501 so as to prevent the weight of the arm 12 and the brush unit 13 from bending the connection joint male end 501 .
- the connection joint male end 501 inserts into the connection joint female end 502 .
- the connection joint brace plate 507 is held against the connection joint male end 501 by means of a threaded bolt 106 , a flat washer 402 , and a threaded nut 107 .
- connection joint brace plate 507 and the connection joint male end 501 are further secured together by a clevis pin 503 .
- the clevis pin 503 is held in place by a split ring 504 , though an R-clip, cotter pin, or other means may be used.
- a retention strap 500 is connected between the split ring 504 and the connection joint male end 501 for added security.
- connection joint 11 allows for an angle between the connected arm sections.
- the connection joint 11 may allow for adjustment and for a variation of the range of the angle between the medial arm section 108 and the proximal arm section 109 .
- changing the angle between the medial arm section 108 and the female end brace bar 506 would change the angle of the overall connection joint 11 .
- FIG. 11 shows welded together at a predetermined angle, it should be understood that other mechanisms of adjusting the angle may also be envisioned without straying from the intended scope of the present invention.
- a variety of attachments may be devised to attach to the device 1 .
- a vacuum device may be added to remove any building material from the work environment after the building material has been stripped.
- a scoop or plough may also be used to push the stripped building material into a pile or a receptacle for easy disposal by hand.
- Other devices such as a spade or a chisel point, which can be used for the removal and/or stripping of building material may also be used.
- the above features allow the device 1 to accomplish the task of rapidly stripping building material, such as fireproofing or insulation, from a building.
- the device 1 also does this with only an operator 8 or a small number of other workers, creating substantial labour savings.
- the device 1 is safer as fewer workers are exposed to potentially dangerous buildings.
- As a removable attachment for a work machine 2 the device 1 is less expensive to procure and maintain than a purpose-built machine.
- the elevation of the arm 12 allows the device 1 to reach elevated surfaces, such as a ceiling, without requiring the use of scaffolding or ladders.
- the motion of the work machine 2 is rapid compared with the laborious task of setting up or moving scaffolding.
- the various angles that may be created using the connection joint 12 allows the device 1 to reach building material that would be inaccessible by other means. Accordingly, through the present invention, the collection of features disclosed provides for a suitable solution to remove building material.
- the present invention may use a remotely controlled pivoting joint that allows the attachment to be rotated such that the axis of rotation A can be parallel to a surface with the material to be removed.
- Control for this pivoting joint may be placed in the cab with the operator so that the operator can rotate the attachment for better access to the material to be removed.
- the pivoting joint and the mechanism that allows for such remotely controlled pivoting may be hydraulically powered or it may be electrically powered.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Cleaning In General (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A device capable of being attached to a work machine and which is designed to remove fireproofing, insulation and other material from buildings. The device includes a brush element that, when in contact with the material, rotates and strips the material from the building. The device is elevated by the work machine to contact the material to be stripped. This enables rapid clearing of the material with significantly fewer personnel.
Description
- The present invention relates generally to work machines. More specifically, the present invention relates to attachments for work machines.
- A variety of work machines are used in construction to accomplish tasks that would be time-consuming, dangerous, physically impossible, or otherwise suboptimal to do through manual labour. Work machines often comprise a prime mover, operated by an operator or operators, various attachments, and other useful features.
- Attachments are used to accomplish many of the tasks performed by work machines. Such attachments may range from a simple plough attachment to move dirt to complex robotics that may complete specialized tasks. Attachments may be powered through a variety of means, such as hydraulics, electricity, the engine of the prime mover, or the attachments may simply rely on their dead weight.
- Skid-steer loaders are a particular type of wheeled and self-propelled work machine characterized by a differential steering system, a resulting narrow turning radius, and a small size relative to other work machines used in construction. Skid-steer loaders are one of the most common self-propelled work machines used in construction.
- Because of these characteristics, skid-steer loaders have a wide range of uses. Skid-steer loaders are particularly useful where their size or manoeuvrability address the inherent limitations of a job. Skid-steer loaders are frequently used in excavation, land clearing, pallet lifting, snow-blowing, and other applications. These applications require a wide range of attachments to accomplish their desired outcomes, and skid-steer loaders are designed to readily accommodate such attachments.
- Despite the versatility of work machines, many construction tasks are still accomplished by hand. One such task is the removal of fireproofing and insulation during building remediation or renovation. These materials presently require painstaking removal by manually scraping them from structural features of a building. When a building is particularly large or has a large amount of these materials to be removed, such removal may require hundreds, or even thousands, of man-hours.
- The removal of these materials is a laborious and repetitive task, yet there is not presently a satisfactory high-volume, low-cost solution to replace manual labour. Complicating the search for such a solution is the fact that removing these materials takes place mainly indoors and in older buildings, which limits the size and manoeuverability of work machines that may be used.
- Despite these limitations, the use of a self-propelled work machine such as a skid-steer loader is highly desirable because such machines may dramatically reduce the number of man-hours, and therefore the cost, required to complete a task. Using an attachment on a versatile machine is also considerably less expensive than procuring and maintaining a purpose-built machine.
- It is therefore desirable to provide a solution that comprises a device for a work machine to remove fireproofing and insulation. Such a solution would have desirable speed and cost characteristics.
- This document discloses a device comprising a device for removing fireproofing or insulation from structural features of a building, an associated arm, and a mounting mechanism by which the device attaches to a work machine. This documents further discloses a kit for assembling the above device. This document also discloses a method for removing fireproofing or insulation from the structural features of a building by means of such a device.
- In a first aspect, this document discloses a device for removing building material comprising: at least one brush element arranged along an axis transverse to a direction of travel of a work machine; a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to said work machine; and an arm connecting said at least one brush element and said universal mounting plate, wherein said arm is designed to raise, lower, and maintain said device in an elevated position so as to put said at least one brush element in contact with said building material, wherein said at least one brush element is connected to a drive unit, and wherein said drive unit powers the rotation of said at least one brush element around said axis.
- In another aspect, this document discloses a method for removing building material using a device comprising: at least one brush element arranged along an axis transverse to a direction of travel of a work machine; a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to said work machine; and an arm connecting said at least one brush element and said universal mounting plate, wherein said arm is designed to raise, lower, and maintain said device in an elevated position so as to put said at least one brush element in contact with said building material, wherein said at least one brush element is connected to a drive unit, and wherein said drive unit powers the rotation of said at least one brush element around said axis, said method comprising: engaging said building material with an outer surface of said at least one brush element; rotating said at least one brush element relative to said building material; stripping said building material from a zone of structural elements of a building; moving said at least one brush element in a direction of travel of said work machine; and removing said stripped building material from a work environment, said engaging step comprising elevating said at least one brush element so as to put it in contact with said building material, and said moving step comprising moving the at least one brush element to a different zone of said structural elements.
- In another aspect, this document discloses a kit for assembly of a device for removing building material, comprising: a brush unit comprising at least one brush element and a housing; an arm unit comprising at least one of: at least one telescopic section, at least one rigid structural member, and at least one connection joint; and a mounting unit comprising a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to a work machine.
- In another aspect, this document discloses a kit for assembly of a device for removing building material, comprising: a brush unit comprising at least one brush element and a housing capable of removable attachment of said at least one brush element; an arm unit comprising at least one of: at least one telescopic section, at least one rigid structural member, and at least one connection joint; a mounting unit comprising a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to a work machine; and a drive unit capable of connecting to said brush unit and thereby rotating said at least one brush element.
- Other aspects and features of the present invention will become apparent to those ordinarily skilled in the art upon review of the following description of specific embodiments of the invention in conjunction with the accompanying figures.
- Embodiments of the present invention will now be described, by way of example only, with reference to the attached figures.
-
FIG. 1 is a perspective view of the device in an elevated position according to an example embodiment. -
FIG. 2 is a side view of the device shown inFIG. 1 . -
FIG. 3 is a bottom view of a brush unit according to an example embodiment. -
FIG. 4 is a side view of a motive unit for the brush unit shown inFIG. 1 . -
FIG. 5A is a front view of the male end of a flat joint according to an example embodiment. -
FIG. 5B is a front view of the female end of a flat joint according to an example embodiment. -
FIG. 6 is a top view of a connection joint. -
-
- 1—Device
- 2—Work machine
- 3—Work-machine elevation arm
- 4—Work-machine elevation mechanism
- 5—Work-machine chassis
- 6—Work-machine cab
- 7—Work-machine wheel
- 8—Operator
- 9—Work-machine attachment interface
- 10—Universal mounting plate
- 11—Connection joint
- 12—Arm
- 13—Brush unit
- 14—Brush housing
- 15—Brush element
- 16—Axle rotating around axis A
- 17—Brush guard
- 100—Terminal return hose
- 101—Hydraulic motor
- 102—Terminal outflow hose
- 103—Hose spacer
- 104—Distal arm section
- 105—Flat joint
- 106—Threaded bolt
- 106 a—Threaded bolt
- 107—Threaded nut
- 108—Medial arm section
- 109—Proximal arm section
- 110—Mounting brace
- 111—Main outflow hose
- 112—Main return hose
- 113—Quick connector
- 114—Return hydraulic nozzle
- 115—Outflow hydraulic nozzle
- 200—Bristles
- 201—Brush support arm
- 202—Brush-housing crossbar
- 203—Brush angle joint
- 204—Angled hydraulic connector
- 300—Chain guide
- 301—Drive cog
- 302—Chain
- 303—Chain cover
- 304—Brush cog
- 400—Flat joint female end
- 401—Flat joint receiving shaft
- 402—Flat washer
- 403—Flat joint male end
- 404—Flat joint coupling shaft
- 405—Bolt hole
- 500—Retention strap
- 501—Connection joint male end
- 502—Connection joint female end
- 503—Clevis pin
- 504—Split ring
- 506—Female end brace bar
- 507—Connection joint brace plate
- This document discloses a device capable of being attached to a work machine and which is designed to remove fireproofing, insulation, and other material from buildings. The device comprises a brush element that, when in contact with the material, rotates and strips the material from the building. The device is elevated by the work machine to contact the material to be stripped. This enables rapid clearing of the material with significantly fewer personnel.
- Referring now to
FIG. 1 , adevice 1 for removing building material is shown in perspective view. Thedevice 1 is removably attached to awork machine 2 by means of auniversal mounting plate 10 that is attached to anarm 12. Auniversal mounting plate 10 removably attaches to thework machine 2 via a work-machine attachment interface 9. The work-machine attachment interface 9 is, according to one embodiment, designed to fit a variety of attachments for thework machine 2 and to allow the attachments to be readily switched. This allows theoperator 8 of thework machine 2 to readily exchange attachments, thereby allowing thework machine 2 to accomplish a wide range of functions. - The
work machine 2 is able to elevate thedevice 1 through a work-machine elevation mechanism 4, which is controlled by theoperator 8. Details of theelevation mechanism 4 itself and its constituent parts are considered well understood in the work machine art and therefore not further described herein. The work-machine elevation mechanism 4 may raise thedevice 1 so as to placebrush element 15 of thedevice 1 in contact with building material, such as fireproofing and/or insulation located on a building ceiling or wall. The work-machine elevation mechanism 4 raises and lowers a work-machine elevation arm 3 on which the work-machine attachment interface 9 is mounted. By way of the present invention, theoperator 8 therefore has the ability to adjust the vertical position of thedevice 1 from the work-machine cab 6 when the work-machine elevation mechanism 4 is engaged. - Adjusting the vertical position of the
device 1 allows thebrush element 15 to contact a variety of elevated surfaces. Those elevated surfaces may be previously coated with fireproofing, insulation, or other materials, and may be on any variety of structural elements of buildings including, but not limited to, ceilings, walls, beams, and columns. Thebrush element 15 contacting the building material and itself rotating allows the stripping of the building material from the structural elements of the building. - The
brush element 15 is held within abrush housing 14 by means of clamps, screws, bolts, or other fasteners, which enables the integration of thebrush unit 13 with the rest of thedevice 1. The brush element is mounted on anaxle 16, which rotates according to an axis A. In a preferred embodiment, the axis A is transverse to a direction of motion of thework machine 2. Thebrush unit 13 comprises thebrush element 15, theaxle 16, thebrush housing 14, and anoptional brush guard 17. - The
brush guard 17 protects thebrush element 15 from foreign objects. Thebrush guard 17 also protects theoperator 8, workers, and other surrounding objects from being ensnared in therotating brush element 15. In a further embodiment, thebrush guard 17 may serve as a mounting platform for further devices used to remove from the work environment any building material after it has been stripped. Such further devices (not shown) may include a spade or a material gathering apparatus such as a vacuum device, a scoop, or plough that facilitates safe collection of the stripped material. - The
arm 12 serves a variety of purposes. As clear from the illustration, thearm 12 displaces the universal mountingplate 10 relative to thebrush unit 13. However, thearm 12 also extends the length of theoverall device 1, thereby allowing thebrush element 15 to come into contact with the building material to be stripped such as within a building with tall ceilings. In a preferred embodiment, thearm 12 includes a connection joint 11. While the connection joint 11 as illustrated is shown welded at a fixed angle, it should be understood that the connection joint allows for different angles at which thebrush unit 13 approaches the building material. This angle may affect the efficacy of the removal of the building material as well as the manoeuverability of thedevice 1 within the building. Thus, the angle by which thearm 12 is fixed relative to the universal mountingplate 10 determines the overall range of use of thedevice 1. When combined with elevating thedevice 1 through the work-machine elevation arm 3 andmechanism 4, this allows theoperator 8 to optimize contact with the building material. For some implementations, it may be preferred that the axis of rotation A is parallel to the plane of the surface to which the building material is to be removed from. - Removing a suitable amount (i.e., stripping most or all) of the building material from the given building surface(s) also requires that the
device 1 access as much of the area coated by the building material as is possible. As described above, this requires that thebrush element 15 contact the building material. To do so, thework machine 2 may advance in a direction of travel due to the use of work-machine wheels 7 or other motive means (e.g., tracks or the like) while theoperator 8 is present in the work-machine cab 6. The work-machine cab 6 may have a variety of implements (not shown), such as steering and driving mechanisms or mirrors to allow theoperator 8 to visualize the elevated surface contacted by thebrush element 15. Such implements are beyond the scope of the intended invention and not described in further detail. This motorized advancement of thework machine 2 allows thedevice 1 to access a large area coated by the building material in a short amount of time, thereby stripping building material at a much faster rate and a more efficient manner than a human using manual tools or hand-held abrasion machines. - Referring now to
FIG. 2 , a side view of thedevice 1 is shown. Thearm 12 is shown to connect thebrush unit 13 to the universal mountingplate 10, which itself connects to thework machine 2. The connecting features of thearm 12 are further shown according to a preferred embodiment. Thebrush unit 13 connects to adistal arm section 104, which joins amedial arm section 108 by means of a flat joint 105. In an example embodiment, the flat joint is secured by threadedbolts 106 and threaded nuts 107. The use of a flat joint 105 between thedistal arm section 104 and themedial arm section 108 enables theoperator 8 or other workers to quickly change thedistal arm section 104 between different lengths without adjusting the connection joint 11. This may be accomplished by insertion of an extension arm (not shown) at the point of connection of theflat joint 105. As should be readily apparent, this allows thedevice 1 to reach higher areas (e.g. higher ceilings) without changing the angle at which thebrush unit 13 approaches the building material. - The connection joint 11 couples the
medial arm section 108 and aproximal arm section 109. Theproximal arm section 109 lengthens theoverall arm 12 while also providing clearance between thework machine 2 and thedevice 1. In a further embodiment, the connection joint 11 may comprise a variety of joint types that allow further adjustment and range of the angle between themedial arm section 108 and theproximal arm section 109. In another embodiment, the arm may include additional arm sections (not shown) joined byconnection joints 11,flat joints 105, or other joint types such as an articulating joint. This would allow for improved height, manoeuvrability, reach, and other characteristics to enable more efficient stripping of building material. - The
arm 12 also provides support and guidance for a system for driving the rotation of thebrush element 15. Such guidance prevents elements of the system from becoming entangled with obstacles in the work environment. An example of such a drive system to power the attachment is further depicted inFIG. 4 . In an exemplary embodiment, the drive system is hydraulic, which has the benefit of connecting to existing hydraulic and/or drive systems in many different types of work machines including, but not limited to, skid-steer loaders, tractors, mini-excavators, and the like. In this example, hydraulic fluid flows out of an outflowhydraulic nozzle 115 through amain outflow hose 111. Themain outflow hose 111 may be attached to the outflowhydraulic nozzle 115 by means of, for example, aquick connector 113. The benefit of using such aquick connector 113 is that themain outflow hose 111 may be readily detached from and attached to the outflowhydraulic nozzle 115, allowing for a quicker detachment or attachment between the two. This is of particular benefit should thedevice 1 be moved to adifferent work machine 2. It should further be understood that while a particular length of hydraulic hose is shown, any suitable length or extensions to such length may be used without straying from the intended scope of the present invention. Indeed, any increase in the length of the arm through additional arm sections as mentioned above may also require a corresponding extension to the hydraulic hoses. - In this embodiment, the hydraulic fluid then flows through the
main outflow hose 111 to ahose spacer 103. Thehose spacer 103 provides a rigid means of spacing themain outflow hose 111 andmain return hose 112. This prevents rubbing and chafing between themain outflow hose 111 andmain return hose 112, which may lead to leaks. Leaks in the hydraulic system would result in a loss of power as well as contamination of the work environment with hydraulic fluid. - The
hose spacer 103 also connects themain outflow hose 111 with aterminal outflow hose 102, which in turn connects to ahydraulic motor 101. Using thehose spacer 103 in this way allows for themain outflow hose 111 to be changed to alter the length of thehose 111, while avoiding the need to reseal the connection between theterminal outflow hose 102 and thehydraulic motor 101. This is helpful when changing the length of thedistal arm section 104, as the length of themain outflow hose 111 must correspondingly change to ensure a continuous hydraulic line between the outflowhydraulic hose 115 and thehydraulic motor 101. - The
hydraulic motor 101, in this example embodiment, powers the rotation of thebrush element 15. The mechanism of this example will be further described inFIG. 4 . Once the hydraulic fluid reaches thehydraulic motor 101, the hydraulic fluid returns to thework machine 2 by exiting thehydraulic motor 101 and entering aterminal return hose 100. Theterminal return hose 100 connects to thehose spacer 103, which in turn connects to themain return hose 112. The hydraulic fluid then flows through themain return hose 112 to the returnhydraulic nozzle 114. Again, themain return hose 112 and returnhydraulic nozzle 114 may be connected by aquick connector 113. This creates a complete hydraulic circuit that powers thehydraulic motor 101, and, by extension, the rotation of thebrush element 15. - Referring now to
FIG. 3 , a bottom view of abrush unit 13 is shown. Onebrush element 15 is shown, though multiple brush elements may be used in series or parallel configurations. Thebrush element 15 is arranged along anaxle 16, with an axis of rotation A that is preferably arranged as being transverse to a direction of travel of thework machine 2. Multiple brush elements may be arranged along additional axles (not shown) and may rotate in a same or different direction as thebrush element 15, depending on the building material to be removed and other factors. - The
brush element 15 includes a plurality ofbristles 200, which are the smallest structures that contact the building material to be stripped. While in this example embodiment thebristles 200 are arranged so as to form acylindrical brush element 15, thebristles 200 may also be arranged to form different shapes to better match structural elements, such as corners or I-beams, of the building to be stripped. The texture, stiffness, and other characteristics of thebristles 200 are preferably matched to the composition of the building material to be stripped. As an example, removal of hardened fireproofing material may requirestiff bristles 200. - The
brush element 15 is supported by thebrush housing 14. In an example embodiment, thebrush housing 14 includes abrush support arm 201, a brush-housing crossbar 202, and anotherbrush support arm 201. Theaxle 16 and the brush-housing crossbar 202 link the twobrush support arms 201. Thisbrush housing 14 provides a rigid supportive frame around thebrush element 15, and forms, together with thebrush element 14 andaxle 16, an example of abrush unit 13. - The brush-
housing crossbar 202 is removably attached to thedistal arm section 104 by means of a brush angle joint 203. This brush angle joint 203, in an example embodiment, attaches to thedistal arm section 104 through threaded 106, 106 a and corresponding threaded nuts 107. Like the flat joint 105 at the opposite end of thebolts distal arm section 104, the brush angle joint 203 may allow thedistal arm section 104 to be changed out to adjust the overall length of thearm 12. Depending upon the implementation of the invention and the building environment in which the invention is used, it should be understood that the brush angle joint 203 may also be configured to allow the angle between the brush-housing crossbar 202 and thedistal arm section 104 to be altered. This may be accomplished by providing additional holes (not shown) in the plate that forms the brush angle joint 203 for reinsertion of threadedbolts 106 and rotating thebrush housing 14 about a pivot point created by the centrally located threadedbolt 106 a. - In this example embodiment, the
brush housing 14 also provides an attachment point for a drive mechanism, which in this example embodiment includes a hydraulically actuatedmotor 101. Angledhydraulic connectors 204 connect theterminal outflow hose 102 andterminal return hose 100 to thehydraulic motor 101 through threaded nuts 107. These angledhydraulic connectors 204 and threadednuts 107 provide a secure, compact, and durable connection to the other elements of the hydraulic system. It should be understood that any other type of hydraulic connection or fitting may be used in addition to or in lieu of the angledhydraulic connectors 204. - Referring now to
FIG. 4 , a side view of an example embodiment of a drive system for thebrush element 15 is shown. Thehydraulic motor 101 is attached to adrive cog 301. Thebrush element 15 is similarly attached to abrush cog 304. Thedrive cog 301 andbrush cog 304 are coupled by achain 302. Thechain 302 is guided by achain guide 300 to prevent thechain 302 from falling off or becoming ensnared. Achain cover 303 also protects thechain 302,drive cog 301, andbrush cog 304. - While
FIG. 4 provides for a hydraulic drive system, the drive system could also be powered by other means. For example, the drive system may also be powered by electricity, the engine of thework machine 2, direct-drive, or other suitable means. These may be more or less desirable depending on the task to be accomplished. - Referring now to
FIGS. 5A and 5B , disconnected views of the flat joint 105 are shown.FIG. 5A shows a flat jointmale end 403 andFIG. 5B shows a flat jointfemale end 400. The flat jointmale end 403 has a series of bolt holes 405 that allow threadedbolts 106 to enter. In this example embodiment,flat washers 402 are used to prevent stress on the bolt holes 405 and flat joint 105 from the heads of the threadedbolts 106. A flatjoint coupling shaft 404 extends from the flat jointmale end 403 into a flatjoint receiving shaft 401 contained within the flat jointfemale end 400. This enables a piloted connection as well as providing additional reinforcement and stability for theflat joint 105. - In this example embodiment, the flat joint 105 connects the
distal arm section 104 to themedial arm section 108, but additional flat joints 105 (not shown) may be used to connect further arm sections. - Referring now to
FIG. 6 , a top view of a connection joint 11 is shown. Themedial arm section 108 includes a connection jointmale end 501, which is shaped so as to be received by a connection jointfemale end 502. Generally speaking, this manner of connecting is akin to a standard sleeve-type hitch connection. The connection jointfemale end 502 extends from a femaleend brace bar 506. In this example embodiment, the femaleend brace bar 506 is welded to an end of themedial arm section 108, though the femaleend brace bar 506 may be attached in a variety of ways and may be attached to other arm sections where a connection joint 11 is desirable. A connectionjoint brace plate 507 is attached to the top of the femaleend brace bar 506 to enable firm attachment to the connection jointmale end 501 and provide extra stabilization and support. - The connection joint
male end 501 is a protrusion of the universal mountingplate 10. Mounting braces 111 provide stability and rigidity to the connection jointmale end 501 so as to prevent the weight of thearm 12 and thebrush unit 13 from bending the connection jointmale end 501. The connection jointmale end 501 inserts into the connection jointfemale end 502. In this example embodiment, the connectionjoint brace plate 507 is held against the connection jointmale end 501 by means of a threadedbolt 106, aflat washer 402, and a threadednut 107. - In this example embodiment, the connection
joint brace plate 507 and the connection jointmale end 501 are further secured together by aclevis pin 503. Theclevis pin 503 is held in place by asplit ring 504, though an R-clip, cotter pin, or other means may be used. Aretention strap 500 is connected between thesplit ring 504 and the connection jointmale end 501 for added security. - The connection joint 11 allows for an angle between the connected arm sections. The connection joint 11 may allow for adjustment and for a variation of the range of the angle between the
medial arm section 108 and theproximal arm section 109. For example, changing the angle between themedial arm section 108 and the femaleend brace bar 506 would change the angle of the overall connection joint 11. Though shown welded together at a predetermined angle, it should be understood that other mechanisms of adjusting the angle may also be envisioned without straying from the intended scope of the present invention. - In a further embodiment, a variety of attachments may be devised to attach to the
device 1. For example, a vacuum device may be added to remove any building material from the work environment after the building material has been stripped. A scoop or plough may also be used to push the stripped building material into a pile or a receptacle for easy disposal by hand. Other devices, such as a spade or a chisel point, which can be used for the removal and/or stripping of building material may also be used. - The above features allow the
device 1 to accomplish the task of rapidly stripping building material, such as fireproofing or insulation, from a building. Thedevice 1 also does this with only anoperator 8 or a small number of other workers, creating substantial labour savings. Thedevice 1 is safer as fewer workers are exposed to potentially dangerous buildings. As a removable attachment for awork machine 2, thedevice 1 is less expensive to procure and maintain than a purpose-built machine. - The elevation of the
arm 12 allows thedevice 1 to reach elevated surfaces, such as a ceiling, without requiring the use of scaffolding or ladders. The motion of thework machine 2 is rapid compared with the laborious task of setting up or moving scaffolding. The various angles that may be created using the connection joint 12 allows thedevice 1 to reach building material that would be inaccessible by other means. Accordingly, through the present invention, the collection of features disclosed provides for a suitable solution to remove building material. - In another variant, the present invention may use a remotely controlled pivoting joint that allows the attachment to be rotated such that the axis of rotation A can be parallel to a surface with the material to be removed. Control for this pivoting joint may be placed in the cab with the operator so that the operator can rotate the attachment for better access to the material to be removed. The pivoting joint and the mechanism that allows for such remotely controlled pivoting may be hydraulically powered or it may be electrically powered.
- A person understanding this invention may now conceive of alternative structures and embodiments or variations of the above all of which are intended to fall within the scope of the invention as defined in the claims that follow.
Claims (15)
1. A device for removing building material comprising:
at least one brush element arranged along an axis transverse to a direction of travel of a work machine;
a universal mounting plate, wherein said universal mounting plate is removably attached to said work machine; and
an arm connecting said at least one brush element and said universal mounting plate,
wherein said arm is configured to position and maintain said device in an elevated position to engage said at least one brush element with said building material,
wherein said at least one brush element is connected to a drive unit, and
wherein said drive unit powers a rotation of said at least one brush element about said axis.
2. The device according to claim 1 , wherein said building material includes at least one of: fireproofing and insulation.
3. The device according to claim 1 , wherein said at least one brush element is of a substantially cylindrical shape.
4. The device according to claim 1 , wherein said at least one brush element includes bristles, and wherein said bristles are of a sufficient stiffness for removing said building material.
5. The device according to claim 1 , wherein said arm further includes at least one connection joint, wherein said connection joint includes a locking mechanism for fixing the joint in a predetermined position.
6. The device according to claim 5 , wherein said arm further includes an extendable section.
7. The device according to claim 1 , wherein said work machine is a skid-steer loader.
8. The device according to claim 1 , wherein said drive unit is powered by at least one of: hydraulic, electric, engine-transmission, and direct-drive means.
9. The device according to claim 8 , wherein said drive unit is further connected to said work machine by at least one of: hydraulic, electric, and engine-transmission means.
10. A method for removing building material using a device having: at least one brush element arranged along an axis transverse to a direction of travel of a work machine, a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to said work machine, an arm connecting said at least one brush element and said universal mounting plate, wherein said arm is configured to position and maintain said device in an elevated position so as to engage said at least one brush element with said building material, wherein said at least one brush element is connected to a drive unit, and wherein said drive unit powers the rotation of said at least one brush element around said axis, said method comprising steps including:
engaging said building material with an outer surface of said at least one brush element;
rotating said at least one brush element relative to said building material;
stripping said building material from a zone of structural elements of a building;
moving said at least one brush element in a direction of travel of said work machine; and
removing said stripped building material from a work environment,
said engaging step includes elevating said at least one brush element to enable contact with said building material, and
said moving step includes moving the at least one brush element to a different zone of said structural elements.
11. The method according to claim 10 , wherein said removing step includes using a suction apparatus, and wherein said suction apparatus removes said stripped building material from said work environment.
12. A kit for assembly of a device for removing building material, comprising:
a brush unit including at least one brush element and a housing capable of removable attachment of said at least one brush element;
an arm unit including at least one of: at least one extendable section, at least one rigid structural member, and at least one connection joint;
a mounting unit including a universal mounting plate, wherein said universal mounting plate is capable of removably attaching to a work machine; and
a drive unit for connecting to said brush unit and thereby rotating said at least one brush element.
13. The kit according to claim 12 , wherein said drive unit rotates said at least one brush element using at least one of: hydraulic, electric, engine-transmission, and direct-drive means.
14. The kit according to claim 12 , wherein said drive unit further includes a connection means for connecting said drive unit to said work machine.
15. The kit according to claim 12 , further comprising an installation manual containing instructions for a user to assemble of said device for removing building material
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/250,943 US20230392399A1 (en) | 2020-11-27 | 2021-11-18 | Device for removing building material |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063118821P | 2020-11-27 | 2020-11-27 | |
| US18/250,943 US20230392399A1 (en) | 2020-11-27 | 2021-11-18 | Device for removing building material |
| PCT/CA2021/051698 WO2022109748A1 (en) | 2020-11-27 | 2021-11-26 | Work-machine mounted rotary brush for removal of building material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20230392399A1 true US20230392399A1 (en) | 2023-12-07 |
Family
ID=81753703
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/250,943 Pending US20230392399A1 (en) | 2020-11-27 | 2021-11-18 | Device for removing building material |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20230392399A1 (en) |
| CA (1) | CA3177516A1 (en) |
| WO (1) | WO2022109748A1 (en) |
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| DE202019003277U1 (en) * | 2019-08-06 | 2019-08-28 | Florian Keller | Dredger removal moulder for heat insulation composite system dismantling (ETICS demolition tiller) |
| CN211773201U (en) * | 2019-10-14 | 2020-10-27 | 长沙中联重科环境产业有限公司 | Rolling brush device and cleaning vehicle |
| CN211898082U (en) * | 2019-12-17 | 2020-11-10 | 福建龙马环卫装备股份有限公司 | Cleaning control device for sanitation vehicle and its sanitation vehicle |
-
2021
- 2021-11-18 US US18/250,943 patent/US20230392399A1/en active Pending
- 2021-11-26 CA CA3177516A patent/CA3177516A1/en active Pending
- 2021-11-26 WO PCT/CA2021/051698 patent/WO2022109748A1/en not_active Ceased
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| US2892439A (en) * | 1956-11-26 | 1959-06-30 | Dynia George | Portable automatic painting machine |
| US3099852A (en) * | 1962-03-30 | 1963-08-06 | Louis A Grant | Power operated brush attachment for earth moving machine |
| US4752103A (en) * | 1987-05-05 | 1988-06-21 | American Industrial Contracting, Inc. | Device for removing asbestos and the like |
| US5302004A (en) * | 1992-10-29 | 1994-04-12 | Qsi International, Inc. | Method of removing asbestos from a building |
| US6428108B1 (en) * | 1999-08-05 | 2002-08-06 | Rex Henry Chase | Tile and carpet removal apparatus |
| US20040040724A1 (en) * | 2002-08-28 | 2004-03-04 | Stevens Timothy J. | Landscape preparation apparatus |
| US20050102778A1 (en) * | 2003-11-15 | 2005-05-19 | Gregerson Dennis J. | Rotary broom attachment for traction vehicles |
| US20070151201A1 (en) * | 2005-12-21 | 2007-07-05 | Fellinger Thomas J | Sprayed insulation application system having variably locatable components |
| US20080072385A1 (en) * | 2006-09-27 | 2008-03-27 | Fellinger Thomas J | Extendable rotary scrubber |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3177516A1 (en) | 2022-06-02 |
| WO2022109748A1 (en) | 2022-06-02 |
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