WO2015185347A1 - Fahrbare arbeitsmaschine, insbesondere autobetonpumpe mit stützen - Google Patents
Fahrbare arbeitsmaschine, insbesondere autobetonpumpe mit stützen Download PDFInfo
- Publication number
- WO2015185347A1 WO2015185347A1 PCT/EP2015/060841 EP2015060841W WO2015185347A1 WO 2015185347 A1 WO2015185347 A1 WO 2015185347A1 EP 2015060841 W EP2015060841 W EP 2015060841W WO 2015185347 A1 WO2015185347 A1 WO 2015185347A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- machine according
- work machine
- mobile work
- ring
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/04—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting mechanically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0436—Devices for both conveying and distributing with distribution hose on a mobile support, e.g. truck
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
Definitions
- the invention relates to a mobile work machine, in particular car audio pump, with a vehicle-fixed support structure in particular for a concrete placing boom and at least one hinged to the support structure pivot leg, the two fork-shaped projecting horizontally rotatably mounted bearing lugs on each bearing bore on a support structure held on the pivot support pivot having.
- the articulation of swivel legs on mast blocks of truck-mounted pumps is similar in construction to two members of a bicycle chain, which are connected by a bolt.
- the pivot leg forms the one "chain link", the support structure the other.
- the pivot leg pin, the two parts are interconnected so that a lateral swinging the legs about the vertical pin axis is possible
- the pivot leg rests on its lower bearing lug, whereby a gap occurs in the bearing area of the upper bearing lug, whereas in the support condition this is exactly the case in reverse and radial and axial movements in the bearing area during pumping operation, which requires stable and accurate fits that can be achieved by means of bearing housings that have been machined, if necessary, using bushings.
- the bearings are located in an exposed area where they are exposed to the weather and corrosive M Information such as rainwater and splash water are not protected when driving or when using high-pressure cleaners. The problem of correcting bearings has long been known, but so far no remedy has been found. Proceeding from this,
- the invention is based on the idea to use commercial sealing elements to protect the bearings against access of corrosive media. Accordingly, the invention proposes that the storage area between the pivot leg and the bearing plates is sealed by flexible profile ring seals.
- the use of sealing elements initially appeared impracticable due to the particular boundary conditions problems could surprisingly be overcome and a configuration of elastic profile ring seals adapted to the ambient and installation conditions was created, whose functionality is not impaired by aggressive ambient media, so that a durable and low-maintenance functionality is guaranteed. Due to the flexibility of the elastic profile ring seals and the assembly without the aid of special tools in a simple manner possible.
- the elastically deformable profile ring seals are held under prestress in a respective sealing ring seat, so that a positioning adapted to the occurring sealing gaps is maintained even during movements.
- a particularly preferred embodiment provides that at least one profile ring seal is held on each bearing plate in a circumferential recess of the pivot pin.
- This groove-like sealing ring seat is thus is formed on the bolt and not on the bearing bracket, so that a space-saving design is achieved and the bearing surface of the bearing plates for the required power is not limited.
- the storage area is formed by a cylindrical bearing gap between the bearing plates and the pivot leg bolt. This results in an exposed bearing point, which is reliably sealed by the profile ring seals on both sides of the bearing plates.
- a V-ring is arranged as a profile ring seal on the mutually facing inner sides of the bearing lugs of a pivot leg.
- the preloaded V-seal absorbs axial movement of the bolt and seals against the bearing bracket. It is particularly favorable if the V-ring has a sealing lip pressing against the bearing lug.
- Adherence to the desired sealing position can be further improved in that the conical sealing ring seat has a step edge on its flank facing away from the associated bearing lug.
- the pivot leg bolt is coated with a lacquer layer, with damage to the finished painted parts can be advantageously avoided by the lacquer layer on a Paint edge in the area of the conical seal ring seat ends, so that the paint edge against spalling and the non-painted area by the V-ring is protected from corrosion.
- an O-ring is arranged as a profile ring seal on the outer sides of the bearing plates facing away from each other.
- a further improvement in this regard can be achieved in that the holding plates and bearing plates are supported in pairs by sliding discs against each other, and that a gap area between the sliding discs is sealed by the O-ring.
- the sliding disks are chamfered at their adjoining peripheral edges and form a sealing ring seat for the O-ring in the chamfer region.
- a bearing bush sealed by the profile ring seals against the ingress of corrosive media is inserted into the bearing bore of the bearing lugs.
- the pivot leg pin two cylindrical end portions and a to the end portions towards dop- has pelkonisch widening central portion, and when in the transition areas between the middle portion and the end portions each have a profile ring seal is arranged.
- the profile ring seals should consist of a nitrile rubber.
- Figure 1 shows a pivot leg of a truck-mounted concrete pump with a hinge connection to a vehicle-fixed support structure in a partially sectioned side view.
- Fig. 2 is an enlarged view of the hinge connection of Fig. 1;
- FIG. 3 shows a sealing arrangement of the articulated connection in a further enlarged detail of FIG. 2;
- FIG. 4 shows an O-ring of the sealing arrangement in a partial enlargement of FIG. 3.
- the truck-mounted concrete pump 10 only partially shown in FIG. 1 has a support structure 12 fixedly mounted on a chassis of a vehicle, which forms a bearing block 14 for a concrete distributor boom which is rotatable about a vertical axis of rotation and via two articulated joints 16 and 16, respectively the vehicle longitudinal sides hinged horizontally swinging rear pivot legs 18, while two front telescopic legs 20 are telescopically extendable.
- the legs 18, 20 can thus be brought out of a driving position into a support position farther from the vehicle longitudinal axis in order to ensure a safe standing of the vehicle even during movements of the concrete distributor. to ensure masts.
- the pivoting of the pivoting legs 18 is accomplished via hydraulic cylinders 21 which engage the horizontal support arm 22.
- vertically extendible hydraulic support cylinders 23 are arranged at the ends on the legs 18, 20, which can lift the chassis from the ground.
- Each articulation point 16 of the pivoting legs 18 has a pivot leg pin 24, which is held on the support structure 12 and defines a vertical pivot axis.
- the pivot leg 24 is tapered in its central region 25 double-conical, as described in more detail in DE-A 102013205888. Also with regard to the general design of a truck-mounted concrete pump with support structure and distribution boom is made to DE-A 102013205888 fully incorporated by reference.
- each pivot leg 18 has at its end close to the vehicle two vertically spaced apart forked bearing plates 26, which are aligned with bearing lugs or bearing bores 28 at the cylindrical end portions 30 of the pivot bolt 24 are mounted horizontally rotatable.
- the two bearing plates 26 have mutually remote outer sides and facing inner sides.
- the pivot leg 24 is held at its two ends to two fixedly connected to the support structure 12 retaining plates 32 which overlap in pairs with the bearing plates 26, wherein a bolted to the upper end of the pivot bolt 24 axle holder in the form of a covering end plate 34 for a rotationally fixed and axial shifting fixation ensures.
- the storage area formed by the annular cylindrical bearing gap between the pivot leg bolt 24 and the bearing brackets 26 is sealed by flexible profile ring seals 36, 38, so that the access of corrosive media is prevented.
- the elastically deformable profile ring seals tions 36, 38 held under bias to achieve the best possible sealing effect.
- Fig. 3 shows an enlarged section of the arrangement of the profile ring seals 36, 38 at the upper end portion 30 of the pivot bolt 24. Mirror image of this is also the lower end portion sealed.
- each a fully rubberized V-ring 40 is arranged as a profile ring seal 36 in a circumferential recess of the pivot bolt 24, wherein the profile of the V-ring 40 axially against the bearing bracket 26 and Wegende flexible sealing lip 42 and a free a V-shaped gap hingedly connected to the sealing lip 42 supporting body 44 has.
- the V-ring 40 is mounted on a conical sealing ring seat 46, which widens toward the bearing lug 26 to be sealed and has a step edge 48 in its tapered region remote from it. This prevents the V-ring 40 from sliding off into the narrow diameter range of the pivot pin 24.
- a bearing bush 50 is inserted between bare metal surfaces to improve the bearing properties.
- the V-Ring 40 seals as a gap seal against dirt, dust and water or a mixture of these corrosive media.
- the sealing lip 42 allows a certain axial play of, for example, 3 to 6 mm, so that the sealing effect is maintained even under load during driving operation or during extension of the support cylinder 23.
- this lacquer layer 52 ends at a lacquer edge in the region of the conical sealing ring seat 46.
- the bearing plates 26 and retaining plates 32 are supported in pairs by annular sliding discs 54, 56 against each other. These are circumferentially fixed by welds on the respectively adjacent connection partner. Also conceivable is a one-piece molding of sliding disks on the respective bearing plate 26 or retaining plate 32nd
- the gap region 58 between the sliding disks 54, 56 is sealed by a further profile ring seal 38, which is formed as an O-ring 60.
- the sliding discs 54, 56 chamfered at their adjacent peripheral edges and thus form in the chamfer area a sealing ring seat 62 for the O-ring 60.
- An additional centering is achieved by fillet welds 63, with which the sliding discs 54, 56 on the bearing bracket 26 and the holding plate 32 are fixed against rotation.
- the ring diameter of the O-ring 60 is selected to be significantly smaller (for example by 10 mm) than the diameter of the sliding disks 54, 56, so that it is under strong pretensioning in the installed state.
- the profile diameter of the O-ring 60 is dimensioned sufficiently large in order to seal axial enlargements of the gap region 58 that occur during travel as well as during pumping operation at any time.
- Both profile ring seals 36, 38 are made of nitrile rubber, which has a high flexibility, elasticity and weathering, oil and solvent resistance and can be further optimized by suitable additives in its properties to the intended use.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016570957A JP2017526565A (ja) | 2014-06-04 | 2015-05-18 | 運転可能な作業機械、特には支持部を備えるコンクリートポンプ車 |
| KR1020167036269A KR20170016380A (ko) | 2014-06-04 | 2015-05-18 | 이동식 작업 기계 특히 지지체를 포함한 트럭 장착식 콘크리트 펌프 |
| EP15722544.2A EP3152148A1 (de) | 2014-06-04 | 2015-05-18 | Fahrbare arbeitsmaschine, insbesondere autobetonpumpe mit stützen |
| CN201580028786.0A CN106660764A (zh) | 2014-06-04 | 2015-05-18 | 能够行驶的做功机器、尤其具有支撑的车载混凝土泵 |
| US15/364,479 US20170080905A1 (en) | 2014-06-04 | 2016-11-30 | Mobile work machine, especially truck-mounted concrete pump comprising supports |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014210573.0 | 2014-06-04 | ||
| DE102014210573.0A DE102014210573A1 (de) | 2014-06-04 | 2014-06-04 | Fahrbare Arbeitsmaschine, insbesondere Autobetonpumpe |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/364,479 Continuation US20170080905A1 (en) | 2014-06-04 | 2016-11-30 | Mobile work machine, especially truck-mounted concrete pump comprising supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015185347A1 true WO2015185347A1 (de) | 2015-12-10 |
Family
ID=53177497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2015/060841 Ceased WO2015185347A1 (de) | 2014-06-04 | 2015-05-18 | Fahrbare arbeitsmaschine, insbesondere autobetonpumpe mit stützen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20170080905A1 (de) |
| EP (1) | EP3152148A1 (de) |
| JP (1) | JP2017526565A (de) |
| KR (1) | KR20170016380A (de) |
| CN (1) | CN106660764A (de) |
| DE (1) | DE102014210573A1 (de) |
| WO (1) | WO2015185347A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015469A (en) * | 1978-03-01 | 1979-09-12 | Mcconnel F W Ltd | Mounting of appliances on vehicles |
| DE102008007918A1 (de) * | 2008-02-06 | 2009-08-13 | Putzmeister Concrete Pumps Gmbh | Fahrbare Arbeitsmaschine |
| CN202691037U (zh) * | 2012-05-29 | 2013-01-23 | 三一重工股份有限公司 | 弹性密封垫、臂架及混凝土泵车 |
| DE102013205888A1 (de) | 2013-04-03 | 2014-10-09 | Putzmeister Engineering Gmbh | Fahrbare Arbeitsmaschine, insbesondere Autobetonpumpe und Herstellungsverfahren |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE755755A (fr) * | 1969-09-04 | 1971-03-04 | Caterpillar Tractor Co | Perfectionnements aux charnières du type à cartouche. |
| JP4454839B2 (ja) * | 2000-12-22 | 2010-04-21 | 株式会社小松製作所 | 作業機の軸受け装置 |
| CN1715651A (zh) * | 2004-06-29 | 2006-01-04 | 上海鸿得利机械制造有限公司 | 臂架式混凝土输送泵 |
| CN101028910B (zh) * | 2007-04-11 | 2010-05-26 | 三一重工股份有限公司 | 移动工程机械的前支腿以及具有该前支腿的移动工程机械 |
| CN201494418U (zh) * | 2009-02-26 | 2010-06-02 | 徐州海伦哲专用车辆股份有限公司 | 具有自装卸功能的移动式施工设备用支腿装置 |
| DE102010009176A1 (de) * | 2010-02-24 | 2011-08-25 | Elba-Werk Maschinen-Gesellschaft mbH, 76275 | Vorrichtung zum Abstützen von Sonderfahrzeugen, insbesondere von Autobetonpumpen, und Autobetonpumpe mit einer solchen Vorrichtung |
-
2014
- 2014-06-04 DE DE102014210573.0A patent/DE102014210573A1/de not_active Withdrawn
-
2015
- 2015-05-18 JP JP2016570957A patent/JP2017526565A/ja not_active Withdrawn
- 2015-05-18 KR KR1020167036269A patent/KR20170016380A/ko not_active Withdrawn
- 2015-05-18 WO PCT/EP2015/060841 patent/WO2015185347A1/de not_active Ceased
- 2015-05-18 CN CN201580028786.0A patent/CN106660764A/zh active Pending
- 2015-05-18 EP EP15722544.2A patent/EP3152148A1/de not_active Withdrawn
-
2016
- 2016-11-30 US US15/364,479 patent/US20170080905A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015469A (en) * | 1978-03-01 | 1979-09-12 | Mcconnel F W Ltd | Mounting of appliances on vehicles |
| DE102008007918A1 (de) * | 2008-02-06 | 2009-08-13 | Putzmeister Concrete Pumps Gmbh | Fahrbare Arbeitsmaschine |
| CN202691037U (zh) * | 2012-05-29 | 2013-01-23 | 三一重工股份有限公司 | 弹性密封垫、臂架及混凝土泵车 |
| DE102013205888A1 (de) | 2013-04-03 | 2014-10-09 | Putzmeister Engineering Gmbh | Fahrbare Arbeitsmaschine, insbesondere Autobetonpumpe und Herstellungsverfahren |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017526565A (ja) | 2017-09-14 |
| US20170080905A1 (en) | 2017-03-23 |
| KR20170016380A (ko) | 2017-02-13 |
| DE102014210573A1 (de) | 2015-12-17 |
| EP3152148A1 (de) | 2017-04-12 |
| CN106660764A (zh) | 2017-05-10 |
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