CN115305907A - Construction method for controlling forming quality of bored pile reinforcement cage - Google Patents
Construction method for controlling forming quality of bored pile reinforcement cage Download PDFInfo
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- CN115305907A CN115305907A CN202211074120.7A CN202211074120A CN115305907A CN 115305907 A CN115305907 A CN 115305907A CN 202211074120 A CN202211074120 A CN 202211074120A CN 115305907 A CN115305907 A CN 115305907A
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- reinforcement cage
- stirrup
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- reinforcement
- limiting device
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 163
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 9
- 238000010586 diagram Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/08—Making wire network, i.e. wire nets with additional connecting elements or material at crossings
- B21F27/10—Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F31/00—Making meshed-ring network from wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
Abstract
The invention provides a construction method for controlling the forming quality of a bored pile reinforcement cage, which comprises the steps of deepening design, manufacturing of a main reinforcement and a stirrup limiting device, installation and adjustment of the main reinforcement limiting device, installation and reinforcement welding of the main reinforcement, adjustment and installation of the stirrup limiting device, installation and welding of the stirrup, manufacturing of the reinforcement cage and the like. The invention solves the problem that the stirrup of the bored pile is easy to desolder, can greatly improve the one-step forming quality of the reinforcement cage, reduce the possibility of later rework, ensure the construction progress on site and simultaneously meet the bearing capacity requirement of the bored pile required by design.
Description
Technical Field
The invention relates to the technical field of reinforcement cage forming, in particular to a construction method for controlling the forming quality of a reinforcement cage of a bored pile.
Background
The cast-in-situ bored pile construction technology is closely related to the construction quality of building engineering, and a design institute often can further improve the stability and the piling quality of a pile foundation through reasonably using a reinforcement cage, and provides corresponding requirements for the manufacturing of the reinforcement cage as follows: the welding quality between the stirrups and the main reinforcements is controlled. However, in the process of manufacturing the reinforcement cage on site, effective technical control means are often lacked for the above requirements, so that the forming quality of the reinforcement cage is poor, butt welding of two reinforcement cages in the later period is not facilitated, the bearing capacity of a pile can be reduced, the service life of a building is influenced, and potential safety hazards can be buried for subsequent construction and use of the building in serious cases.
Disclosure of Invention
Aiming at the prior art, the invention provides a construction method for controlling the forming quality of a bored pile reinforcement cage.
The invention provides a construction method for controlling the forming quality of a bored pile reinforcement cage, which comprises the following steps:
s1, deepening design: before the reinforcement cage is manufactured, the detailed engineering pile diagram given by design is deeply designed in advance, the most economical and reasonable sample-turning scheme is determined, each section of reinforcement cage is numbered in sequence for a pair of reinforcement cages, the number and the interval of main reinforcements of each section of reinforcement cage are recorded and determined, and a basis is provided for the adjustment of a subsequent main reinforcement limiting device;
s2, manufacturing a main rib and stirrup limiting device: the main reinforcement limiting device comprises an outer ring and an inner ring which are connected with each other, and a plurality of adjustable limiting holes are arranged between the outer ring and the inner ring, according to the detailed engineering pile drawing and the results discussed by the deepened design, the inner diameter of the outer ring of the main reinforcement limiting device is determined to be the inch of the steel reinforcement cage, the adjustable limiting holes can be freely adjusted between the inner ring and the outer ring according to the set distance, if locking is needed, only nuts at two ends on the corresponding adjustable limiting holes are screwed, and the number of the adjustable limiting holes is determined by the maximum value of the main reinforcement of a single section of the steel reinforcement cage;
the stirrup limiting device comprises a supporting rod, a plurality of movable rings are sleeved on the supporting rod, the movable rings are connected with the supporting rod in a sliding mode, limiting blocks are arranged at the lower ends of the movable rings, the limiting blocks are twisted to enable the movable rings to be in a locked state, clamping blocks are arranged at the two ends of the supporting rod and used for clamping the corresponding positions of the main reinforcements of the steel reinforcement cage, and the positions of the movable rings can be adjusted and fixed according to the distance between the stirrups of the steel reinforcement cage;
s3, installing and adjusting a main rib limiting device: the main reinforcement limiting device is arranged on a reinforcement cage operating frame, so that the stability of the reinforcement cage operating frame is ensured, and the position of an adjustable limiting hole in the main reinforcement limiting device is correspondingly adjusted and fixed according to the different main reinforcement number and interval requirements of each section of reinforcement cage;
s4, main rib installation and reinforcing rib welding: sequentially penetrating main reinforcements of the reinforcement cage through adjustable limiting holes of the main reinforcement limiting device, placing a reinforcement frame at a specified position according to the placing position of each section of reinforcement cage reinforcing ribs set by a deepening design after all the main reinforcements are placed in place, fully performing repair welding between the reinforcing ribs and the main reinforcements, and controlling the current in the repair welding process so that the repair welding is firm without burning the main reinforcements;
s5, adjusting and installing a stirrup limiting device: adjusting the distance between movable rings on the stirrup limiting device according to the stirrup distance requirement given by design to ensure that the distance is just equal to the stirrup distance and the movable rings are locked to prevent slippage, fixing the stirrup limiting device on a main reinforcement of a reinforcement cage through a clamping block, and mounting two groups of stirrup limiting devices on the symmetrical surface of the reinforcement cage;
s6, installing and welding stirrups: the stirrups pass through the stirrup limiting device, so that each circle of the stirrups is tightly attached to the limiting block on the stirrup limiting device, and thus, the distance between all the stirrups can be kept consistent and is just equal to the designed stirrup distance value;
s7, completing the manufacturing of the reinforcement cage: after all stirrups on a section of steel reinforcement cage all spot welding accomplished, the complete steel reinforcement cage of a section just made, takes off stirrup stop device, transfers the steel reinforcement cage from the steel reinforcement cage handling frame take the altitude, takes off main muscle stop device, with steel reinforcement cage handling to appointed stock dump, puts neatly.
Preferably, in S6, at the in-process of stirrup winding, select for use partial spot welding between stirrup and the main muscle, because there is the space between main muscle and stirrup, often can cause the desoldering or the rosin joint of stirrup, arrange the workman this moment and use F type fixture spanner to press from both sides stirrup and main muscle tight then carry out the spot welding of stirrup, spot welding in-process control current size makes spot welding not only firm but also burn the main muscle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention solves the problem of controlling the space between the main reinforcement and the stirrup in the manufacturing process of the bored pile reinforcement cage, so that the space is effectively controlled in a design interval, and the forming quality and the one-time acceptance pass rate of the reinforcement cage are effectively ensured; the problem of drilling bored concrete pile stirrup easily desoldering is solved, the one shot forming quality of steel reinforcement cage can be improved greatly, the possibility of later stage reworking is reduced, the construction progress on site is guaranteed, and the requirement of the drilling bored concrete pile bearing capacity of the design requirement is also met.
2. In the traditional construction process, because the main reinforcement and the stirrup of the reinforcement cage are not tightly attached during welding, a certain gap exists, so that cold joint is often formed, in the hoisting process of the reinforcement cage, the stirrup of the reinforcement cage is easy to be scattered to cause reverse work, and the field construction progress is influenced.
3. The invention discloses a complete reinforcement cage which is usually composed of a plurality of reinforcement cages with different main reinforcement distributions, wherein in the field construction process, workers often control the spacing between the main reinforcements of the reinforcement cage which is not good, and the reinforcement cage does not meet the design requirements, and even the actual bearing capacity of an engineering pile is possibly influenced.
4. The spiral reinforcement of the reinforcement cage is in a spiral structure, so that gaps are easily formed on the inner main reinforcement, and the main reinforcement is in false welding and desoldering in the welding process, so that the spiral reinforcement needs to be kept in a seamless contact state to ensure the welding quality.
Drawings
Fig. 1 is a schematic structural diagram of a main rib limiting device in an embodiment of the invention.
Fig. 2 is a schematic structural view of the stirrup limiting device in the embodiment of the invention.
Fig. 3 is a construction schematic diagram of a main reinforcement installation limiting device in the embodiment of the invention.
Fig. 4 is a schematic construction diagram of mounting the main reinforcement and the reinforcing rib in the embodiment of the invention.
FIG. 5 is a construction schematic diagram of the stirrup limiting device in the embodiment of the invention.
FIG. 6 is a schematic view of the installation of stirrups according to an embodiment of the invention.
Fig. 7 is a schematic structural view of an F-clamp wrench according to an embodiment of the present invention.
In the figure, 1, a main rib limiting device; 11. an outer ring; 12. an inner ring; 13. the limiting hole can be adjusted; 2. a stirrup limiting device; 21. a support bar; 22. a movable ring; 23. a limiting block; 24. a clamping block; 25. turning a handle; 3. a main rib; 4. hooping; 5. a steel reinforcement cage handling frame; 6. reinforcing ribs; 7. an F-shaped fixture wrench.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Examples
A construction method for controlling the forming quality of a bored pile reinforcement cage comprises the following steps:
s1, deepening design: because the normal auxiliary reinforcement cage is formed by combining a plurality of sections of reinforcement cages with different reinforcements, before the reinforcement cage is manufactured, the detailed engineering pile drawing given by design is deeply designed in advance, the most economical and reasonable sample-turning scheme is determined, each section of reinforcement cage is numbered in sequence for the auxiliary reinforcement cage, the number and the interval of main reinforcements of each section of reinforcement cage are recorded and determined, and a basis is provided for the adjustment of a subsequent main reinforcement limiting device;
s2, manufacturing a main rib and stirrup limiting device: as shown in fig. 1, the main reinforcement limiting device 1 comprises an outer ring 11 and an inner ring 12 which are connected with each other, and a plurality of adjustable limiting holes 13 are arranged between the outer ring 11 and the inner ring 12, according to the detailed drawing of an engineering pile and the results discussed by a deepened design, the inner diameter of the outer ring 11 of the main reinforcement limiting device is determined to be the inch of the reinforcement cage, the adjustable limiting holes 13 can be clamped between the inner ring 12 and the outer ring 11 and can be freely adjusted according to a set distance, if locking is needed, only nuts at two ends of the corresponding adjustable limiting holes 13 are screwed, and the number of the adjustable limiting holes 13 is determined by the maximum value of the main reinforcement of a single section of the reinforcement cage;
as shown in fig. 2, the stirrup limiting device 2 comprises a support rod 21, a plurality of movable rings 22 are sleeved on the support rod 21, the movable rings 22 are slidably connected with the support rod 21, a limiting block 23 is arranged at the lower end of each movable ring 22, the movable rings 22 are locked by twisting the limiting blocks 23, clamping blocks 24 are respectively arranged at two ends of the support rod 21, the clamping blocks 24 are used for clamping corresponding positions of the main reinforcements 3 of the steel reinforcement cage, and the positions of the movable rings 22 can be adjusted and fixed according to the space between the stirrups 4 of the steel reinforcement cage;
for the clamp splice 24, still can set up and change the handle 25, can make the clamp splice 24 press from both sides tight owner muscle 3 through clockwise rotation commentaries on classics handle 25, anticlockwise rotation changes the handle 25 and can unclamp the clamp splice 24 for stirrup stop device 2 can break away from owner muscle 3.
S3, installing and adjusting a main rib limiting device: as shown in fig. 3, the main reinforcement limiting device 1 is mounted on the reinforcement cage handling frame 5 to ensure the stability of the reinforcement cage handling frame 5, and the position of the adjustable limiting hole 13 in the main reinforcement limiting device is correspondingly adjusted and fixed according to the different main reinforcement number and spacing requirements of each section of reinforcement cage;
s4, main rib installation and reinforcing rib welding: as shown in fig. 4, the main reinforcement 3 of the reinforcement cage sequentially passes through the adjustable limiting holes 13 of the main reinforcement limiting device 1, when all the main reinforcements 3 are placed in place, the placing positions of all sections of reinforcement of the reinforcement cage are set according to the deepening design, the reinforcing ribs 6 are placed at the appointed positions, and as the outer diameter of the reinforcing ribs 6 is just the outer diameter of the inner ring 12 of the main reinforcement limiting device, the reinforcing ribs 6 can be just clamped between the main reinforcements 3, the reinforcing ribs 6 and the main reinforcements 3 are fully subjected to repair welding, and the current is controlled in the repair welding process, so that the repair welding is firm without burning the main reinforcements 3;
s5, adjusting and installing the stirrup limiting device: as shown in fig. 5, according to the requirement of stirrup spacing given by design, the spacing between the movable rings 22 on the stirrup limiting devices 2 is adjusted to be exactly equal to the stirrup spacing and locked to prevent slippage, the stirrup limiting devices 2 are fixed on the main reinforcement 3 of the steel reinforcement cage through the clamping blocks 24, and two groups of stirrup limiting devices 2 are installed on the symmetrical surface of the steel reinforcement cage;
s6, installing and welding stirrups: as shown in fig. 6, the stirrup 4 passes through the stirrup limiting device 2, so that each circle of the stirrup is tightly attached to the limiting block 23 on the stirrup limiting device, thus ensuring that the distance between all stirrups is consistent and is just equal to the designed stirrup distance value, in the process of winding the stirrup 4, partial spot welding is adopted between the stirrup 4 and the main reinforcement 3, due to the existence of a gap between the main reinforcement 3 and the stirrup 4, the stirrup 4 is often subjected to desoldering or rosin joint, at the moment, a worker is arranged to clamp the stirrup 4 and the main reinforcement 3 by using an F-shaped fixture wrench 7 (shown in fig. 7) and then spot welding of the stirrup 4 is carried out, and the current is controlled in the spot welding process, so that the spot welding is firm and does not burn the main reinforcement 3;
s7, completing the manufacturing of the reinforcement cage: after all stirrups on a section of steel reinforcement cage all spot welding accomplish, the complete steel reinforcement cage of a section just makes the completion, takes off stirrup stop device 2, transfers the steel reinforcement cage away from steel reinforcement cage handling frame 5 take the altitude through digging the machine, takes off main muscle stop device 1, with steel reinforcement cage handling to appointed stock dump, puts neatly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (2)
1. A construction method for controlling the forming quality of a bored pile reinforcement cage is characterized by comprising the following steps:
s1, deepening design: before the reinforcement cage is manufactured, the detailed engineering pile diagram given by design is deeply designed in advance, the most economical and reasonable sample-turning scheme is determined, each section of reinforcement cage is numbered in sequence for a pair of reinforcement cages, the number and the interval of main reinforcements of each section of reinforcement cage are recorded and determined, and a basis is provided for the adjustment of a subsequent main reinforcement limiting device;
s2, manufacturing a main rib and stirrup limiting device: the main reinforcement limiting device comprises an outer ring and an inner ring which are connected with each other, and a plurality of adjustable limiting holes are arranged between the outer ring and the inner ring, according to the detailed engineering pile drawing and the results discussed by the deepened design, the inner diameter of the outer ring of the main reinforcement limiting device is determined to be the inch of the steel reinforcement cage, the adjustable limiting holes can be freely adjusted between the inner ring and the outer ring according to the set distance, if locking is needed, only nuts at two ends on the corresponding adjustable limiting holes are screwed, and the number of the adjustable limiting holes is determined by the maximum value of the main reinforcement of a single section of the steel reinforcement cage;
the stirrup limiting device comprises a supporting rod, a plurality of movable rings are sleeved on the supporting rod, the movable rings are connected with the supporting rod in a sliding mode, limiting blocks are arranged at the lower ends of the movable rings, the limiting blocks are twisted to enable the movable rings to be in a locked state, clamping blocks are arranged at the two ends of the supporting rod and used for clamping the corresponding positions of the main reinforcements of the steel reinforcement cage, and the positions of the movable rings can be adjusted and fixed according to the distance between the stirrups of the steel reinforcement cage;
s3, installing and adjusting a main rib limiting device: installing a main reinforcement limiting device on a reinforcement cage operating frame to ensure the stability of the reinforcement cage operating frame, and correspondingly adjusting and fixing the position of an adjustable limiting hole in the main reinforcement limiting device according to the different main reinforcement number and spacing requirements of each section of reinforcement cage;
s4, main rib installation and reinforcing rib welding: sequentially penetrating main reinforcements of the reinforcement cage through adjustable limiting holes of the main reinforcement limiting device, placing a reinforcement frame at a specified position according to the placing position of each section of reinforcement cage reinforcing ribs set by a deepening design after all the main reinforcements are placed in place, fully performing repair welding between the reinforcing ribs and the main reinforcements, and controlling the current in the repair welding process so that the repair welding is firm without burning the main reinforcements;
s5, adjusting and installing the stirrup limiting device: adjusting the distance between movable rings on the stirrup limiting device according to the stirrup distance requirement given by design to ensure that the distance is exactly equal to the stirrup distance and the movable rings are locked to prevent slippage, fixing the stirrup limiting device on a main reinforcement of a reinforcement cage through a clamping block, and mounting two groups of stirrup limiting devices on the symmetrical surface of the reinforcement cage;
s6, installing and welding stirrups: the stirrups pass through the stirrup limiting device, so that each circle of the stirrups is tightly attached to the limiting block on the stirrup limiting device, and thus, the distance between all the stirrups can be kept consistent and is just equal to the designed stirrup distance value;
s7, completing the manufacturing of the reinforcement cage: after all stirrups on a section of steel reinforcement cage all spot welding accomplished, the complete steel reinforcement cage of a section just made, takes off stirrup stop device, transfers the steel reinforcement cage from the steel reinforcement cage handling frame take the altitude, takes off main muscle stop device, with steel reinforcement cage handling to appointed stock dump, puts neatly.
2. The method of claim 1, wherein in step S6, partial spot welding is used between the stirrup and the main bar during the winding of the stirrup, which often causes the strip welding or the cold welding of the stirrup due to the gap between the main bar and the stirrup, and then a worker is arranged to clamp the stirrup and the main bar by using an F-type clamp wrench and then spot welding the stirrup, and the current is controlled during the spot welding to make the spot welding firm without burning the main bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074120.7A CN115305907A (en) | 2022-09-02 | 2022-09-02 | Construction method for controlling forming quality of bored pile reinforcement cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074120.7A CN115305907A (en) | 2022-09-02 | 2022-09-02 | Construction method for controlling forming quality of bored pile reinforcement cage |
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| CN115305907A true CN115305907A (en) | 2022-11-08 |
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| CN202211074120.7A Pending CN115305907A (en) | 2022-09-02 | 2022-09-02 | Construction method for controlling forming quality of bored pile reinforcement cage |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026247A (en) * | 2010-07-20 | 2012-02-09 | Keishin Kogyo:Kk | Reinforcement frame serving also as main reinforcement positioning jig of assembly auxiliary device and reinforcement cage horizontal assembly method |
| CN204248253U (en) * | 2014-11-24 | 2015-04-08 | 中国十七冶集团有限公司 | Reinforcement stirrup welding aid |
| CN109137892A (en) * | 2017-06-28 | 2019-01-04 | 五冶集团上海有限公司 | A kind of fabrication of reinforcing cage method of bored concrete pile |
| CN210562138U (en) * | 2019-04-24 | 2020-05-19 | 中国建筑第五工程局有限公司 | Be used for steel reinforcement cage reinforcing bar positioner |
| CN216263258U (en) * | 2021-11-25 | 2022-04-12 | 中建八局第三建设有限公司 | Auxiliary device is tied up to steel reinforcement cage with main muscle limit function |
| CN216398568U (en) * | 2021-11-25 | 2022-04-29 | 中建八局第三建设有限公司 | Steel reinforcement cage spiral stirrup stop device |
-
2022
- 2022-09-02 CN CN202211074120.7A patent/CN115305907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026247A (en) * | 2010-07-20 | 2012-02-09 | Keishin Kogyo:Kk | Reinforcement frame serving also as main reinforcement positioning jig of assembly auxiliary device and reinforcement cage horizontal assembly method |
| CN204248253U (en) * | 2014-11-24 | 2015-04-08 | 中国十七冶集团有限公司 | Reinforcement stirrup welding aid |
| CN109137892A (en) * | 2017-06-28 | 2019-01-04 | 五冶集团上海有限公司 | A kind of fabrication of reinforcing cage method of bored concrete pile |
| CN210562138U (en) * | 2019-04-24 | 2020-05-19 | 中国建筑第五工程局有限公司 | Be used for steel reinforcement cage reinforcing bar positioner |
| CN216263258U (en) * | 2021-11-25 | 2022-04-12 | 中建八局第三建设有限公司 | Auxiliary device is tied up to steel reinforcement cage with main muscle limit function |
| CN216398568U (en) * | 2021-11-25 | 2022-04-29 | 中建八局第三建设有限公司 | Steel reinforcement cage spiral stirrup stop device |
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