CN106812307B - Construction device of reinforced concrete structure - Google Patents
Construction device of reinforced concrete structure Download PDFInfo
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- CN106812307B CN106812307B CN201710209071.6A CN201710209071A CN106812307B CN 106812307 B CN106812307 B CN 106812307B CN 201710209071 A CN201710209071 A CN 201710209071A CN 106812307 B CN106812307 B CN 106812307B
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000009415 formwork Methods 0.000 claims description 70
- 229910000831 Steel Inorganic materials 0.000 claims description 56
- 239000010959 steel Substances 0.000 claims description 56
- 239000004567 concrete Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000010410 layer Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
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- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a construction device of a reinforced concrete structure, which comprises a template system, a scaffold system and a material transportation system, wherein the template system comprises an inner template and an outer template which are arranged on the inner side and the outer side of a bound cylinder wall reinforcing mesh, the scaffold system is erected in the reinforced concrete structure, the outer template is lifted through an outer template lifting device which is detachably arranged in the cylinder wall reinforcing mesh, before the outer template is lifted, a plurality of reinforcing steel bar heads with the same thickness as the cylinder wall of the structure are arranged on circumferential horizontal reinforcing steel bars on the uppermost layer of the cylinder wall reinforcing mesh corresponding to a section to be poured at equal intervals, and the material transportation system is arranged at the top of the scaffold system and is fixed. The invention can conveniently and quickly lift the outer template, and meanwhile, the arrangement of the reinforcing steel bar heads between the inner template and the outer template is combined, so that an operator can conveniently correct the centers of the lifted inner template and the lifted outer template, the construction efficiency is greatly improved, and the construction quality is ensured.
Description
Technical Field
The invention belongs to the technical field of high-rise building construction, and particularly relates to a construction device of a reinforced concrete structure.
Background
In the construction of the cylindrical reinforced concrete chimney, the efficient lifting of the template and the accurate correction of the center of the template are the keys for improving the overall construction efficiency of the chimney and ensuring the construction quality of the chimney. The conventional construction device for the existing reinforced concrete chimney is complex in structure and low in formwork lifting efficiency, and particularly, after the outer formwork is lifted, the center of the outer formwork is corrected inconveniently, so that the construction efficiency is influenced, and the construction quality cannot be well guaranteed.
Disclosure of Invention
The invention aims to: in view of the above problems, the present invention provides a construction apparatus for a reinforced concrete structure, which has a simple structure, can improve the construction efficiency of a high-rise structure, and can ensure the construction quality.
The technical scheme of the invention is realized as follows: the utility model provides a reinforced concrete structure's construction equipment, includes template system, scaffold system and material transportation system, the template system is including setting up interior template and the exterior sheathing in the section of thick bamboo wall reinforcing bar net inside and outside that the ligature is good, interior template and exterior sheathing mutually support and form the space of pouring that is used for pouring structure section of thick bamboo wall concrete, its characterized in that: the scaffold system is erected inside a reinforced concrete structure, the outer formwork is lifted through an outer formwork lifting device which is detachably arranged inside the cylinder wall reinforcing mesh, a plurality of reinforcing steel bar heads with the same thickness as the thickness of the cylinder wall of the structure are arranged on the circumferential horizontal reinforcing steel bar on the uppermost layer of the cylinder wall reinforcing mesh corresponding to the section to be poured at equal intervals before the outer formwork is lifted, the inner formwork and the outer formwork are respectively connected with two ends of the reinforcing steel bar heads, the lower parts of the inner formwork and the outer formwork are fixed at the upper opening of the concrete of the cylinder wall of the structure which is poured, and are overlapped with the cylinder wall of the structure for a certain distance, and the material transportation system is arranged at the top of the scaffold system and is fixed.
The external template lifting device comprises a plurality of external template lifting frames which are arranged in the reinforcing mesh of the cylinder wall and at equal intervals along the inner circumference of the cylinder wall of the structure, the external template lifting frames are detachably fixed on the reinforcing mesh of the cylinder wall respectively, the lower end of each external template lifting frame is positioned on the upper end surface of the concrete cylinder wall poured and formed by the next mold, and the external template lifting frames are provided with lifters which are connected with the corresponding external templates respectively through steel wire lifting ropes.
According to the construction device of the reinforced concrete structure, the cylinder wall reinforcing mesh is formed by binding a plurality of layers of circumferential horizontal reinforcing steel bars and a plurality of vertical reinforcing steel bars, the vertical reinforcing steel bars are arranged in the vertical reinforcing mesh at intervals along the circumference of the cylinder wall of the structure, and the outer template lifting frame is arranged on the inner side of the vertical reinforcing mesh and fixedly connected with the vertical reinforcing mesh in a binding mode.
According to the construction device for the reinforced concrete structure, the upper end part of the outer template lifting frame is triangular, and the lifter is hung at the end part of the triangular structure at the upper end part of the outer template lifting frame.
According to the construction device of the reinforced concrete structure, the outer template is lifted simultaneously by the plurality of lifters, after the outer template is lifted in place, the outer template is fastened on the outer side of the cylinder wall reinforcing mesh by the plurality of steel wires, and the outer template lifting frame is detached and hung on a scaffold system in the structure.
According to the construction device of the reinforced concrete structure, the safety net is arranged below the section of the cylindrical wall of the structure to be poured and between the scaffold system and the wall of the poured structure, and the middle part of the scaffold system is provided with the feeding hole for conveying materials.
The material transportation system of the construction device of the reinforced concrete structure comprises two top beams which are symmetrically arranged, a certain distance is reserved between the two top beams and the two top beams are connected and fixed together through a plurality of connecting plates, mounting plates are fixed above the two ends of the top beams, U-shaped clamps are respectively arranged on the two sides of the top beams, the upper ends of the U-shaped clamps are connected with the mounting plates, the lower ends of the U-shaped clamps are sleeved on a scaffold, two top wheels are arranged between the two top beams and rotatably connected on the top beams through top wheel shaft fixing angle steel, steel wire ropes are wound on the top wheels, one ends of the steel wire ropes, which are arranged inside the reinforced concrete structure, are connected with a material barrel, and the other ends of the steel wire ropes are connected with a driving mechanism outside the reinforced concrete structure.
According to the construction device of the reinforced concrete structure, the plurality of the fixed angle steels of the head sheave shafts are arranged on the head beam, and the distance between the two head sheaves is adjusted by connecting the two head sheaves with the fixed angle steels of the corresponding head sheave shafts.
According to the construction device of the reinforced concrete structure, the steering wheel is arranged at the position, close to the ground, outside the reinforced concrete structure, the end part of the steel wire rope is led to the ground and is led to the driving mechanism through the steering wheel, the travel switch is arranged at the position with the safe distance below the top beam, the material barrel is in contact with the travel switch when lifted to the position with the safe distance, and the driving mechanism stops running.
According to the construction device of the reinforced concrete structure, the scaffold is formed by erecting the scaffold cross rods and the scaffold vertical rods, the lower ends of the U-shaped clamps are sleeved on the scaffold cross rods on the uppermost layer of the scaffold, the two top beams are erected on the top of the scaffold and fixed through the U-shaped clamps, the upper ends of the U-shaped clamps are detachably connected with the mounting plate, and the scaffold cross rods are erected on the annular bracket structure arranged on the inner wall of the structural cylinder.
The invention utilizes the matching of the template system, the scaffold system and the material transportation system, and lifts the outer template in the template system through the lifting device, an operator can complete the operation of the outer template by standing on the scaffold of the corresponding layer, so that the lifting of the outer template is convenient and rapid, and meanwhile, the arrangement of the reinforcing steel bar heads between the inner template and the outer template is combined, thereby facilitating the correction of the center of the lifted inner template and the outer template by the operator, greatly improving the construction efficiency and ensuring the construction quality.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2, 3 and 4 are schematic views of the erection structure of the scaffolding system according to the present invention.
Fig. 5 is a schematic view of the use of the lifting device of the present invention.
Fig. 6 is a schematic structural view of an outer template lifting frame in the lifting device.
Fig. 7 is a schematic structural view of an outer formwork lifting frame with a lifter hung in the lifting device.
Fig. 8 is a schematic view of the construction of the material transport system of the present invention.
Fig. 9 is a schematic view of the installation and fixation of the top sill in the material transportation system.
Fig. 10 is a schematic view of the use of the material transport system.
The labels in the figure are: 1 is section of thick bamboo wall reinforcing bar net, 1a is the hoop horizontal reinforcing bar, 1b is vertical reinforcing bar, 2a is the inner formword, 2b is the exterior sheathing, 3 is the scaffold system, 3a is the scaffold horizontal pole, 3b is the scaffold montant, 4 is the exterior sheathing hoisting frame, 5 is the lifting mechanism, 6 is the steel wire lifting rope, 7 is the roof beam, 8 is the connecting plate, 9 is the mounting panel, 10 is the U-shaped card, 11 is the head sheave, 12 is the fixed angle steel of head sheave axle, 13 is wire rope, 14 is the material bucket, 15 is actuating mechanism, 16 is the directive wheel, 17 is annular bracket structure, 18 is the safety net, 19 is the structure section of thick bamboo wall, 20 is the reinforcing bar head.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following detailed description of the present invention is made with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, a construction device of a reinforced concrete structure, which takes the construction of a cylindrical reinforced concrete chimney as an example in this embodiment, includes a formwork system, a scaffold system 3 and a material transportation system, where the scaffold system 3 is formed by erecting scaffold cross bars 3a and scaffold vertical bars 3b, the formwork system includes inner formworks 2a and outer formworks 2b arranged inside and outside a bound cylinder wall reinforcing mesh 1, the inner formworks 2a and the outer formworks 2b cooperate with each other to form a casting space for casting concrete of a cylinder wall of the chimney, the scaffold system 3 is erected inside the cylindrical reinforced concrete chimney, the outer formworks 2b are lifted by an outer formwork lifting device detachably arranged inside the cylinder wall reinforcing mesh 1, before the outer formwork 2b is lifted, a plurality of reinforcement heads 20 with the same thickness as the wall of the chimney are arranged on the circumferential horizontal reinforcement 1a on the uppermost layer of the cylinder wall reinforcement mesh 1 corresponding to the section to be poured at equal intervals, the inner formwork 2a and the outer formwork 2b are respectively connected with two ends of the reinforcement heads 20, the lower parts of the inner formwork 2a and the outer formwork 2b are fixed at the upper opening of the concrete of the wall of the poured chimney and are overlapped with the wall of the chimney for a certain distance, the material conveying system is arranged at the top of the scaffold system 3 and is fixed, a safety net 18 is arranged below the wall section of the chimney to be poured and between the scaffold system 3 and the wall of the poured chimney, and a feeding hole for conveying materials is reserved in the middle of the scaffold system 3.
In this embodiment, the total height of the steel pipe scaffold in the chimney is 125 meters, as shown in fig. 2, the scaffold in the chimney is two vertical rods in 0-50 meters, 16 vertical pipes (joints of the vertical pipes should be staggered), a layer of horizontal pipes is erected every 1.50m, a scaffold board is paved on the vertical rods to serve as a construction operation platform, a 1.20 × 1.20m square hole is reserved in the middle of the scaffold board, so that loading during construction is facilitated, and the erected scaffold should be 5 meters higher than the operation platform. The scaffold cross bars are arranged on the outer sides of the scaffold vertical bars, the scaffold of the construction working surface layer is additionally provided with cross fasteners on the vertical bars, namely, the four corners of the scaffold cross bars are provided with double fasteners; as shown in fig. 3, a 50-125 m chimney scaffold adopts 10 stand pipes (joints of the stand pipes should be staggered), double stand pipes are arranged in the middle of two surfaces of a material transportation system, a layer is erected at every 1.50m height of scaffold cross bars, the length of 50m of the scaffold cross bars is 3m, and the length of the erected device is gradually reduced to 2m; as shown in fig. 4, the scaffold cross bar 3a is erected on an annular corbel structure 17 provided on the inner wall of the chimney barrel.
Wherein, scaffold pole is phi 48X 3.5 steel pipes, its quality should accord with current national standard regulation, scaffold steel pipe's size: the vertical rod is 6 meters, the weight of the vertical rod is not less than 25KG, the cross rod is gradually shortened from bottom to top from 4.0 meters to 2.0 meters according to the inner diameter of the chimney, the surface of the steel pipe is straight and smooth, and the steel pipe is free of cracks, scars, hard bends and welded. And strictly forbidding drilling and welding on the steel pipe.
As shown in fig. 5, 6 and 7, the outer formwork lifting device includes a plurality of outer formwork lifting frames 4 arranged at equal intervals inside the cylinder wall reinforcing mesh 1 and along the inner circumference of the cylinder wall of the chimney, the cylinder wall reinforcing mesh 1 is formed by binding a plurality of layers of circumferential horizontal reinforcing bars 1a and a plurality of vertical reinforcing bars 1b, the plurality of vertical reinforcing bars 1b are arranged at intervals along the circumference of the cylinder wall of the chimney, the outer formwork lifting frames 4 are arranged inside the vertical reinforcing meshes and fixedly connected with the vertical reinforcing meshes in a binding manner, the lower end of each outer formwork lifting frame 4 is located on the upper end face of the concrete cylinder wall poured and formed by the next formwork, a lifter 5 is arranged on each outer formwork lifting frame 4, the upper end of each outer formwork lifting frame 4 is triangular, the lifter 5 is hung on the end of the triangular structure at the upper end of the outer formwork lifting frame 4, the lifter 5 is respectively connected with the corresponding outer formwork 2b through a steel wire lifting rope 6, the outer formwork 2b is lifted by a plurality of lifters 5 at the same time, after the outer formwork 2b is lifted, the outer formwork is fastened on the outer formwork lifting frame by a plurality of steel wire lifting systems 3, and the outer formwork lifting systems are removed from the outer formwork.
The outer template is made of 2.0mm thick iron sheet templates, is processed into 32 blocks with the height of 1.60M and the width of 1.00M, holes are formed in the edges of the templates, the templates are connected into four pieces by using M5 multiplied by 15 bolts, the total length is based on the circumference of the chimney barrel, the outer template is tightened according to the contraction ratio of the chimney barrel during construction, and the requirement of the chimney barrel is met. And (3) oil brushing is carried out on the assembled four outer templates, the assembled four outer templates are moved to the outer side of the bound cylinder wall steel bar to install the cylinder wall outer template, the lower opening of the template is fixed on the outer side of the welded protective layer, in the later cylinder wall construction, the lower opening of each section of outer template can be directly fixed on the upper opening of poured cylinder body concrete and is overlapped with the wall of the concrete cylinder for 30-50 mm, the upper opening of the template is welded on the circumferential steel bar of the cylinder wall by a phi 12 steel bar head (the length of the upper opening is equal to the thickness of the cylinder wall of the chimney, and one end of the steel bar head is anticorrosive by anticorrosive paint), the inner and outer template protective layers are controlled, and then the outer templates are reinforced (16 phi 8 steel wire ropes are tightened by a tiger head clamp) according to the actual size of the outer diameter of the cylinder wall. When the outer templates are overlapped with each other for more than or equal to 0.80m, one outer template is removed in time so as to avoid overlong overlapping.
During lifting, 18 (gradually reduced to 9 according to the reduction of the diameter of the cylinder body) lifter supports are matched with 9-18 lifters (2 t) and are arranged at the inner side of the vertical reinforcing mesh until the concrete achieves the form removal strength of 2.5N/mm 2 Then, the outside wire-tightening pliers and 16 steel wire ropes of the formwork are loosened, and the outer formwork is gradually and uniformly lifted by a lifter (personnel stand on the wall of the concrete cylinder and the inner scaffold board). Lifting the template in place, fastening 2 steel wire ropes at the lower opening of the template, correcting the center of the template, sequentially fastening 14 steel wire ropes at the upper opening of the template, then removing the lifting frame, hanging the lifting frame above the scaffold in the chimney, and waiting for lifting the template for reuse next time.
The inner template is a 1500 × 250mm customized steel template: adopting an iron sheet with the thickness of 2.00mm, processing the iron sheet into the iron sheet with the height of 1500mm and the width of 250mm, welding the periphery by using angle steel of 40 x 4 with 12 holes of phi, and welding the middle by adopting a flat steel of-40 x 4 and a neck plate, wherein the total number of the iron sheets is 120; welding a reinforcing steel bar protection layer on the inner wall of a chimney barrel body according to the radius of the barrel wall, then installing inner formworks one by one, wherein the right side surface of each steel formwork is provided with an overlapping part of 30mm, the overlapping part of the formworks can solve the problem that the circumference of the barrel wall of the chimney is small at the top and big at the bottom (namely the upper opening of each formwork is close to and the lower opening is separated by about 3mm according to the circumference), so that the problem of the upper and lower receiving proportion of the inner formworks can be ensured, the inner formworks are reinforced by fixing the formworks on a reinforcing steel bar net of the chimney by using 12# iron wires, namely the upper and lower 150mm positions on the left side of each steel formwork are fixed by using iron wires, the rear formwork is spliced with the front formwork by using a clip, then the upper and lower 150mm positions on the right side of the steel formwork are fixed by using iron wires, and the installation and the fixing of a circle of formworks are repeatedly one by one; after the inner mold is installed for a circle, a phi 48 multiplied by 3.0 arc steel pipe is respectively arranged at the position 120mm below the position 200mm above the template for reinforcement, and the arc steel pipes are supported on the inner scaffold upright rods by 1.00 to 2.00m short steel pipes at intervals of about 3 meters.
When concrete reaches a certain strength (more than 2.5 Mp) after each concrete is poured, 16 steel wire ropes fastened by an outer template are loosened, the outer template can be lifted, 18 tighteners are adopted for lifting the outer template to be fixed above the inner side of a reinforcing mesh of the chimney wall, the whole template can be lifted upwards by pulling a handle of the tightener with hands to lift the template to the center of a correction template, then the lower opening of the outer template is fastened on a poured chimney barrel (the length of the outer template is about 40mm overlapped with the lower concrete), the upper opening of the template is welded on the circumferential reinforcing steel bars of the barrel body by a phi 12 reinforcing steel bar head (the length of the upper opening is equal to the thickness of the chimney wall), the inner template is installed after the dimension is rechecked, then the concrete is poured, and the procedures are repeated until the chimney is finished.
As shown in fig. 8, 9 and 10, material transportation system is including two world beams 7 on the symmetrical arrangement ground, world beam 7 adopts the U-shaped groove steel construction, two world beam 7's opening side is towards both sides respectively, leave the determining deviation between two world beams 7 to connect together fixedly through many connecting plates 8 be fixed with mounting panel 9 above 7 both ends of world beam 7 both sides are provided with U-shaped card 10 respectively, U-shaped card 10 upper end is connected with mounting panel 9, U-shaped card 10 lower extreme cup joints on scaffold frame horizontal pole 3a of scaffold frame the superiors, two world beams 7 are set up at scaffold frame top and are fixed through U-shaped card 10, U-shaped card 10 upper end and mounting panel 9 are detachable to be connected.
Two head sheaves 11 are arranged between the two head girders 7, the head sheaves 11 are rotatably connected to the head girders 7 through head sheave shaft fixing angle steel 12, a plurality of head sheave shaft fixing angle steel 12 are arranged on the head girders 7, and the distance between the two head sheaves 11 is adjusted by connecting the two head sheaves 11 with the corresponding head sheave shaft fixing angle steel 12, so that the material transportation device is suitable for normal operation after the aperture of the upper end part of the chimney is gradually reduced; the head sheave 11 is connected with a steel wire rope 13 in a winding way, one end of the steel wire rope 13, which is arranged in the reinforced concrete chimney, is connected with a material barrel 14, the material barrel is cylindrical and is formed by welding and processing 4mm thick steel plates, the height of the material barrel is 800mm, the diameter of the barrel is 780mm, the outer diameter of a barrel bottom plate is 800mm, the bottom plate is fixed by a pin shaft and can be turned up and down to seal charging or open discharging, the flatness of the bottom plate is periodically checked in the construction process, and objects such as steel pipes, fasteners and the like need to be placed lightly when being placed so as not to deform the barrel bottom plate and cause the phenomena of seam exposure and slurry leakage when being placed in concrete; the other end of the steel wire rope 13 is connected with a driving mechanism 15 outside the reinforced concrete chimney, a steering wheel 16 is arranged outside the reinforced concrete chimney and close to the ground, the end of the steel wire rope 13 is led to the ground and led to the driving mechanism 15 through the steering wheel 16, and the driving mechanism adopts a winch. The winch switch adopts an alternating current contactor button switch, a button switch for controlling the upper part and the lower part is arranged on the chimney operating platform, a control switch is also arranged on the ground, a travel switch, namely a limiting device, is arranged at a safe distance position below the top beam 7, the material barrel 14 is in contact with the travel switch when lifted to a safe distance position, and the driving mechanism 15 stops running to prevent the danger caused by the out-of-control of the button failure or misoperation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a reinforced concrete structure's construction equipment, includes template system, scaffold frame system (3) and material transportation system, the template system is including setting up inside formword (2 a) and exterior sheathing (2 b) at the section of thick bamboo wall reinforcing bar net (1) that the ligature is good, inside formword (2 a) and exterior sheathing (2 b) mutually support and form the pouring space that is used for pouring structure section of thick bamboo wall concrete, its characterized in that: the scaffold system (3) is erected in a reinforced concrete structure, the outer formwork (2 b) is lifted through an outer formwork lifting device which is detachably arranged in the cylinder wall reinforcing mesh (1), a plurality of reinforcing bar heads (20) with the same thickness as the structure cylinder wall (19) are arranged on the circumferential horizontal reinforcing bar (1 a) on the uppermost layer of the cylinder wall reinforcing mesh (1) corresponding to a section to be poured at equal intervals before the outer formwork (2 b) is lifted, the inner formwork (2 a) and the outer formwork (2 b) are respectively connected with two ends of the reinforcing bar heads (20), the lower parts of the inner formwork (2 a) and the outer formwork (2 b) are fixed at the upper opening of the poured structure cylinder wall concrete and are overlapped with the structure cylinder wall for a certain distance, and the material transportation system is arranged at the top of the scaffold system (3) and is fixed;
the outer formwork lifting device comprises a plurality of outer formwork lifting frames (4) which are arranged inside the cylinder wall reinforcing mesh (1) and at equal intervals along the inner circumference of the structural cylinder wall (19), the outer formwork lifting frames (4) are detachably fixed on the cylinder wall reinforcing mesh (1) respectively, the lower end of each outer formwork lifting frame (4) is located on the upper end face of the concrete cylinder wall formed by pouring the next mold, a lifter (5) is arranged on each outer formwork lifting frame (4), the lifter (5) is connected with the corresponding outer formwork (2 b) through a steel wire lifting rope (6) respectively, and a feeding hole for conveying materials is reserved in the middle of the scaffold system (3).
2. The reinforced concrete structure construction device of claim 1, wherein: the cylinder wall reinforcing mesh (1) is formed by binding a plurality of layers of annular horizontal reinforcing bars (1 a) and a plurality of vertical reinforcing bars (1 b), the plurality of vertical reinforcing bars (1 b) are arranged into the vertical reinforcing mesh along the circumference of the cylinder wall of the structure at intervals, and the outer template lifting frame (4) is arranged on the inner side of the vertical reinforcing mesh and is fixedly connected with the vertical reinforcing mesh in a binding mode.
3. The reinforced concrete structure construction device of claim 2, wherein: the upper end part of the outer template lifting frame (4) is triangular, and the lifter (5) is hung at the end part of the triangular structure at the upper end part of the outer template lifting frame (4).
4. A reinforced concrete structure construction device as claimed in claim 3, wherein: the outer formwork (2 b) is lifted simultaneously through a plurality of lifters (5), after the outer formwork (2 b) is lifted in place, the outer formwork (2 b) is fastened on the outer side of the cylinder wall reinforcing mesh (1) through a plurality of steel wires, and the outer formwork lifting frame (4) is detached and hung on a scaffold system (3) in the structure.
5. The reinforced concrete structure construction device of claim 1, wherein: a safety net (18) is arranged below the section of the wall of the structural cylinder to be cast and between the scaffold system (3) and the cast structural cylinder wall (19).
6. The reinforced concrete structure construction apparatus as claimed in any one of claims 1 to 5, wherein: the material transportation system comprises two top beams (7) which are symmetrically arranged, a certain distance is reserved between the two top beams (7), the two top beams are fixedly connected through a plurality of connecting plates (8), mounting plates (9) are fixed above the two ends of each top beam (7), U-shaped clamps (10) are arranged on the two sides of each top beam (7) respectively, the upper ends of the U-shaped clamps (10) are connected with the mounting plates (9), the lower ends of the U-shaped clamps (10) are connected to a scaffold in a sleeved mode, two top wheels (11) are arranged between the two top beams (7), the top wheels (11) are rotatably connected to the top beams (7) through top wheel shaft fixing angle steel (12), steel wire ropes (13) are wound on the top wheels (11), one ends, placed inside a reinforced concrete structure, of the steel wire ropes (13) are connected with a material barrel (14), and the other ends of the steel wire ropes (13) are connected with a driving mechanism (15) outside the reinforced concrete structure.
7. The reinforced concrete structure construction device of claim 6, wherein: a plurality of fixed angle steel (12) for the head sheave shaft are arranged on the head sheave beam (7), and the distance between the two head sheave wheels (11) is adjusted by connecting the two head sheave wheels (11) with the corresponding fixed angle steel (12) for the head sheave shaft.
8. The reinforced concrete structure construction device of claim 6, wherein: the device is characterized in that a steering wheel (16) is arranged on the position, close to the ground, outside the reinforced concrete structure, the end part of the steel wire rope (13) is led to the ground and is led to a driving mechanism (15) through the steering wheel (16), a travel switch is arranged at a safe distance position below the top beam (7), the material barrel (14) is in contact with the travel switch when lifted to the safe distance position, and the driving mechanism (15) stops running.
9. The reinforced concrete structure construction device of claim 6, wherein: the scaffold is set up by scaffold frame horizontal pole (3 a) and scaffold frame montant (3 b) and forms, cup joint on scaffold frame horizontal pole (3 a) of scaffold frame the superiors U-shaped card (10) lower extreme, two day roof beams (7) are set up at scaffold frame top and are fixed through U-shaped card (10), U-shaped card (10) upper end and mounting panel (9) detachable connection, set up on annular bracket structure (17) that structure barrel inner wall set up scaffold frame horizontal pole (3 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107476193B (en) * | 2017-08-11 | 2019-03-12 | 浙江智峰科技有限公司 | A kind of bridge construction pours device with clump |
| CN112627543A (en) * | 2020-11-23 | 2021-04-09 | 中冶(上海)钢结构科技有限公司 | Shaft inner lifting frame for mounting steel beams of core tube elevator shaft and steel beam construction method |
| CN113062586A (en) * | 2021-03-24 | 2021-07-02 | 中国五冶集团有限公司 | A kind of reinforcement method of structural column formwork |
| CN115977385A (en) * | 2022-12-29 | 2023-04-18 | 中冶建工集团有限公司 | The construction method used to control the taper of the chimney body |
| CN116556659A (en) * | 2023-06-05 | 2023-08-08 | 中国十九冶集团有限公司 | Slipform system and method of construction for the construction of cast-in-place concrete chimneys |
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