CN-121976675-A - Reinforcing steel bar positioning and reinforcing device and method for civil construction

CN121976675ACN 121976675 ACN121976675 ACN 121976675ACN-121976675-A

Abstract

The invention relates to the technical field of building engineering construction, and particularly discloses a steel bar positioning and reinforcing device and method for civil engineering construction, wherein the steel bar positioning and reinforcing device comprises a positioning component for directly clamping construction steel bars, a fixing component and an extension rod for connecting and expanding the size of the device, a staggered component for realizing linkage of a plurality of positioning components and forming a closed annular structure, and a control component for uniformly controlling clamping force, wherein the positioning component mainly comprises two symmetrical semi-annular positioning rings; the synchronous inflation and deflation of all positioning air bags are accurately controlled through the positive and negative rotation of the rotary disk, so that the device can move up section by section along with the binding procedure in the steel bar binding process, and uniform and consistent clamping force is provided again at each new height, thereby ensuring that the binding tightness and positioning accuracy of each section of the steel bar cage along the whole length of the steel bar cage are consistent, and solving the problem that the traditional one-time fixation cannot be suitable for sectional construction.

Inventors

GAO FENG
SONG RENBIN
LI MENG
WU SHUAI
LIANG XINCHAO
WANG DAN
CHENG WEI
SHI ZHAONA
ZHAI XIUJUAN
LIANG WEI
CUI TING

Assignees

山西省安装集团股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260310

Claims (9)

1. A reinforcing steel bar positioning and reinforcing device for civil construction is characterized by comprising positioning components (2) used for clamping construction reinforcing steel bars (1), fixing components (3) and extension rods (6) used for connecting and expanding, staggered components (4) used for realizing annular connection of the positioning components (2), and control components (5) used for centralized control of clamping force, wherein the positioning components (2) are arranged on the construction reinforcing steel bars (1), the positioning components (2) are connected end to end through the staggered components (4) to form an annular positioning structure, and the control components (5) are connected with the staggered components (4) and are used for synchronously adjusting the clamping force of all the positioning components (2) on the reinforcing steel bars.
2. The reinforcing steel bar positioning and reinforcing device for civil engineering according to claim 1, wherein the positioning assembly (2) comprises two symmetrical positioning rings (201), sliding arc grooves (202) are formed in the outer sides of the positioning rings (201), slidable orientation bolts (204) are installed in the sliding arc grooves (202), a plurality of groups of hollow fixed air bags (205) are arranged on the inner sides of the positioning rings (201), and the fixed air bags (205) are communicated with an external air path through air bag air inlets (203) formed in the positioning rings (201).
3. The reinforcing steel bar positioning and reinforcing device for civil engineering according to claim 1, wherein the staggered assembly (4) comprises a staggered connection block (401), a pressurizing cavity is formed in the staggered connection block (401), a large air outlet hole (403) and a small air inlet hole (404) are formed in the outer side of the pressurizing cavity respectively, the large air outlet hole (403) is connected with an air bag air inlet hole (203) of the positioning assembly (2) through a pipeline, the small air inlet hole (404) is communicated with the control assembly (5) through a pipeline, and a sliding groove (405) and a locking groove (406) are formed in the staggered connection block (401) and are fixedly provided with locking blocks (407).
4. The reinforcing steel bar positioning and reinforcing device for civil engineering according to claim 3 is characterized in that a locking moving block (7) is arranged in a sliding groove (405) of the staggered connecting block (401), a shear knife rest (8) type locking mechanism is arranged in the sliding groove, two shear knife rests (8) are connected through a fixed block (9), a spring rest (10) is arranged in the middle of the two shear knife rests, locking shafts (11) are arranged at two ends of the shear knife rest, and the locking moving block (7) is pushed to drive the locking shafts (11) to extend or retract so as to realize buckling and separation with locking grooves (406) or locking blocks (407) on adjacent staggered components (4).
5. The steel bar positioning and reinforcing device for civil engineering according to claim 1, wherein the control assembly (5) comprises a control frame (501), a rotary disc (502) is rotatably arranged in the middle of the control frame (501), gears are arranged at the bottoms of the rotary discs (502), two tooth groove pushing plates (503) meshed with the gears are symmetrically arranged in the control frame (501), one ends of the tooth groove pushing plates (503) are located in an air cavity (504), air outlet holes (505) are formed in the air cavity (504) and are connected with small air inlet holes (404) of the staggered assembly (4) through pipelines, one end of the control frame (501) is a fixed hinged end, and the other end of the control frame is hinged with the staggered assembly (4) or the fixed assembly (3) through a second fixed shaft (506).
6. The reinforcing steel bar positioning and reinforcing device for civil engineering according to claim 1, wherein the fixing assembly (3) comprises a fixing connecting block (301), thread grooves (302) and holes for installing the directional bolts (204) are respectively formed in two sides of the fixing connecting block (301), threads are formed in two ends of the extension rod (6), the extension rod can be screwed into the thread grooves (302) of the fixing connecting block (301) to adjust the length of the device, and an auxiliary frame (303) is fixed at the top of the fixing connecting block (301).
7. The reinforcing bar positioning and reinforcing device for civil engineering according to claim 1, wherein the second fixed shaft (506) of the control assembly (5) is mounted on the main support (402) of one staggered connection block (401) in the working state and can be mounted on the auxiliary frame (303) of the fixed assembly (3) in the storage state.
8. The reinforcing steel bar positioning and reinforcing device for civil engineering according to claim 1, wherein the rotating disc (502) is driven manually or electrically, and when the rotating disc is driven electrically, synchronous linkage of a plurality of control components (5) can be realized.
9. A method of reinforcing bar positioning and reinforcing using the apparatus as set forth in any one of claims 1 to 8, comprising the steps of: S1, assembling a positioning and reinforcing device according to the arrangement shape and the number of the reinforcing bars (1) to be reinforced, namely selecting positioning assemblies (2) corresponding to the number of the reinforcing bars, connecting the positioning assemblies (2) end to end through a quick locking mechanism of an interleaving assembly (4) to form a closed annular frame matched with the arrangement of the reinforcing bars, and adjusting the size of the frame through a fixing assembly (3) and an extension rod (6) according to the spacing of the reinforcing bars; S2, initial positioning and clamping, namely sleeving the annular frame at a preset height at the starting end of the steel bar set, adjusting the orientation of each positioning ring (201) to align the corresponding steel bar, and then operating the control assembly (5) to enable the rotating disc (502) to rotate along a first direction so as to drive all the fixed air bags (205) to synchronously inflate and expand, so that all the steel bars are clamped; s3, binding the first section, namely binding the steel bar crossing points of the section with the current height in the state of clamping the steel bars by the device; S4, after the binding of the current section is completed, operating the control assembly (5), enabling the rotating disc (502) to rotate along a second direction opposite to the first direction, driving all the fixed air bags (205) to synchronously exhaust and shrink, and accordingly loosening the clamping of the reinforcing steel bars; S5, transferring and re-clamping the device, namely moving the loosened whole annular frame upwards to a next height section to be bound along the steel bars, and then operating the control assembly (5) again to enable the rotating disc (502) to rotate along the first direction, and driving all the fixed air bags (205) to re-inflate and clamp the steel bars; and S6, repeatedly executing the steps S3 to S5, and completing binding, positioning and reinforcing of the whole length of the steel bar section by section.

Description

Reinforcing steel bar positioning and reinforcing device and method for civil construction Technical Field The invention relates to the technical field of building engineering construction, in particular to a reinforcing steel bar positioning and reinforcing device and method for civil engineering construction. Background In cast-in-place concrete structure construction, the correct position of the steel bars is the key for ensuring the bearing capacity of the structure. At present, the positioning and reinforcement of the steel bars are finished by combining manual binding with a simple support frame, and the problems are that firstly, the control precision of the distance between the steel bars and the thickness of a protective layer is poor, the deviation is easy to generate depending on the experience of workers, secondly, the traditional iron wire binding or welding fixing mode is difficult to realize even tensioning, the steel bars are easy to shift under the concrete pouring impact, and furthermore, a special tool which is universal, can be quickly adjusted and can provide even constraint force is lacked for the combination of the steel bars with different diameters and different arrangement modes (such as annular and rectangular). Some existing positioning fixtures are often fixed in structure, poor in adaptability, inconvenient to assemble and disassemble, and incapable of dynamically adjusting and compensating tension in the construction process. Therefore, there is an urgent need for a positioning and reinforcing apparatus and method that can accommodate various arrangements of reinforcement bars, provide uniform and controllable clamping force, facilitate installation and adjustment, and improve construction efficiency and accuracy. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a reinforcing steel bar positioning and reinforcing device for civil engineering, which solves the problems in the prior art. The invention provides a steel bar positioning and reinforcing device for civil construction, which comprises a positioning assembly for directly clamping construction steel bars, a fixing assembly and an extension rod for connecting and expanding the size of the device, a staggered assembly for realizing the linkage of a plurality of positioning assemblies and forming a closed annular structure, and a control assembly for uniformly controlling clamping force. Further, the locating component mainly comprises two symmetrical semi-annular locating rings, a sliding arc groove and a directional bolt are arranged on the outer side of each locating ring, a plurality of groups of hollow fixed air bags are arranged on the inner side of each locating ring, the air bags are communicated with an external air passage through air bag air inlets, and flexible clamping and adaptive fixing of reinforcing steel bars with different diameters are achieved through adjusting the inner pressure of the air bags. Furthermore, the staggered assembly comprises a staggered connecting block, a pressurizing cavity is arranged in the staggered connecting block, the pressurizing cavity is respectively connected with an air bag of the positioning assembly and an air path of the control assembly through a large air outlet hole and a small air inlet hole, and a sliding groove and a locking mechanism are arranged on the staggered connecting block, so that a plurality of assemblies can be conveniently and rapidly connected and locked. Further, the control assembly comprises a control frame, a rotating disc, a tooth groove push plate and an air cavity. The gears at the bottom of the rotating disc drive two symmetrical tooth slot pushing plates to move oppositely or back to compress or release the gas in the air cavity, and the gas drives the air bags of the positioning assemblies to synchronously act through the pipelines so as to realize uniform tensioning or loosening of all clamping points. Further, the staggered components are connected through a built-in scissor type locking mechanism, and the locking moving block is pressed to enable the locking shaft to be inserted into or withdrawn from the locking groove, so that the components are quickly spliced and disassembled, and the modularization degree and the disassembly and assembly efficiency of the device are greatly improved. Further, be equipped with the auxiliary frame on the fixed subassembly, can articulate with control assembly's expansion end, be used for folding accomodating control assembly under non-operating condition, reduce occupation space. Further, the extension rod can be connected to the fixing assembly in a threaded manner and used for adjusting the overall span of the device so as to adapt to the reinforcing steel bar sets with different intervals. Furthermore, the relative angle of the positioning ring can be adjusted through the displacement of the positioning bolt in the sliding arc groove, so that the devi