CN-122013937-A - High-precision positioning and adjusting device for reinforcing steel bars in core area of beam column node of large-span building

Abstract

The invention relates to the technical field of building construction, in particular to a high-precision positioning and adjusting device for reinforcing steel bars in a core area of a large-span building beam column node, which comprises a bottom positioning plate, a top positioning plate and a frame, wherein a first through groove for a longitudinal reinforcing steel bar to pass through is formed in a plate body of the bottom positioning plate, at least one pouring opening is formed in the plate body of the top positioning plate, the pouring opening is positioned at a corner position of the top positioning plate, a second through groove corresponding to the first through groove is formed in the surface of the top positioning plate, the longitudinal reinforcing steel bar is precisely limited at two points up and down through the top positioning plate and the bottom positioning plate, the transverse reinforcing steel bar is horizontally clamped and positioned through clamping grooves in a fixing plate, the space coordinates of all reinforcing steel bars are uniquely determined by a rigid die, the millimeter-level positioning precision is realized, the shearing resistance, bending resistance and concrete restraining capacity of the node core area are ensured, and the frame can effectively resist impact and vibration in the whole processes of lifting, reinforcing steel bar penetration and concrete pouring vibration, and integral strength is ensured.

Inventors

• NIU LIFEI
• LIU XIN
• LIU JIA
• HAN KAI
• LIANG YUQI

Assignees

• 中铁三局集团有限公司
• 中铁三局集团建筑安装工程有限公司

Dates

Publication Date

20260512

Application Date

20260401

Claims (9)

1. 1. A high-precision positioning and adjusting device for reinforcing steel bars in a core area of a beam column node of a large-span building is characterized by comprising The bottom positioning plate is provided with a first through groove for the longitudinal steel bar to pass through; the top positioning plate is provided with at least one pouring opening on the plate body, the pouring opening is positioned at the corner position of the top positioning plate, and the surface of the top positioning plate is provided with a second through groove corresponding to the first through groove; the two ends of the plurality of vertical mounting rods are respectively connected with the bottom positioning plate and the top positioning plate to form a space frame; The fixing plates are arranged on the surface of the mounting rod in a sliding mode, clamping grooves are formed in the edges of the fixing plates, and transverse reinforcing steel bars are clamped in the clamping grooves corresponding to the two adjacent fixing plates; A distance increasing plate is arranged between the adjacent fixed plates, and the distance increasing plate is slidably arranged on the surface of the mounting rod; A plurality of fixing plates and distance increasing plates are slidably mounted on the surface of a mounting rod on the ground, then the whole body is hoisted at a required position, so that longitudinal steel bars penetrate through first through grooves of the bottom locating plates, then the fixing plates at different positions are lifted, transverse steel bars penetrate through clamping grooves of the fixing plates, the top locating plates are mounted, and finally concrete pouring is carried out.
2. 2. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the large-span building beam column node is characterized in that a positioning groove is formed in the lower surface of the top positioning plate, a clamping part matched with the positioning groove is arranged at the top end of the mounting rod, and the clamping part is spliced in the positioning groove.
3. 3. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building is characterized in that the mounting rod and the bottom positioning plate are of an integrally formed structure.
4. 4. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building is characterized in that cushion blocks are fixedly arranged on the surfaces of the fixing plates, and flow grooves for concrete to flow are formed between the adjacent fixing plates.
5. 5. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building is characterized in that the fixing plate and the cushion block are of an integrally formed structure.
6. 6. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the large-span building beam column node is characterized in that reinforcing rods are arranged between the opposite fixing plates, and the transverse reinforcing rods and the vertical reinforcing rods in the same plane are arranged in a staggered mode in the longitudinal direction.
7. 7. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building is characterized in that the opposite fixing plates and the reinforcing rods are of an integrally formed structure.
8. 8. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the large-span building beam column node is characterized in that corner plates are arranged at four corners of the bottom positioning plate, third through grooves for concrete circulation are formed in the surfaces of the corner plates, and two ends of each fixing plate are abutted against the edges of the adjacent corner plates.
9. 9. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building is characterized in that the angle-shaped plate is welded on the surface of the bottom positioning plate.

Description

High-precision positioning and adjusting device for reinforcing steel bars in core area of beam column node of large-span building Technical Field The invention relates to the technical field of building construction, and particularly provides a high-precision positioning and adjusting device for reinforcing steel bars in a core area of a beam column node of a large-span building. Background In large-scale public building, industrial factory building and bridge engineering, large-span beam column node core area is the key position of structural stress, and its internal reinforcing bar net is complicated, and longitudinal and transverse reinforcing bars are crisscross intensive, and the construction quality in this region has directly decided the overall security and the anti-seismic performance of structure, and the reinforcing bar skeleton in this region is fixed through ligature and a small amount of temporary support just before the concrete hardening, and its self structural rigidity and stability are serious not enough. In traditional construction, the complicated steel reinforcement net relies on constructor steel wire ligature mainly, its node provides limited connection rigidity, the impact force of pump concrete, the workman steps on and the strong vibration of plug-in vibrator, very easily lead to whole steel reinforcement skeleton to take place whole displacement, local downwarping or distortion, influence the bearing quality in core district, and artifical in the ligature process, rely on the experience to carry out manual measurement, the vision aligns and the ligature of root by root, this process very easily produces accumulated error inefficiency, lead to the horizontal interval of reinforcing bar, the inter-layer clear distance is seriously uneven, dense steel reinforcement net has formed dense physical barrier simultaneously, seriously hinder concrete flow and vibrating bar to insert, very easily form non-compact defects such as honeycomb, hole in node core district inside, further influence intensity and quality. Therefore, a high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the beam column node of the large-span building, which can realize high-precision positioning of the reinforcing steel bars, provide rigid construction support and guarantee pouring quality, is needed. Disclosure of Invention In order to solve the problems, the invention provides a high-precision positioning and adjusting device for reinforcing steel bars in a core area of a beam column node of a large-span building, which is used for solving the problems in the prior art. The high-precision positioning and adjusting device for the reinforcing steel bars in the core area of the large-span building beam column node comprises a bottom positioning plate, a top positioning plate, a plurality of vertical mounting rods, a plurality of detachable fixing plates, mounting holes, clamping grooves, a distance increasing plate, a concrete lifting plate, a plurality of fixing plates and a concrete lifting plate, wherein the bottom positioning plate is provided with a first through groove for the longitudinal reinforcing steel bars to pass through, the top positioning plate is provided with at least one pouring opening, the pouring opening is positioned at the corner position of the top positioning plate, the surface of the top positioning plate is provided with a second through groove corresponding to the first through groove, two ends of the plurality of vertical mounting rods are respectively connected with the bottom positioning plate and the top positioning plate to form a space frame, the plurality of detachable fixing plates are provided with mounting holes on the surface of the fixing plates, the fixing plates are slidably mounted on the surface of the mounting rods, the edges of the fixing plates are provided with clamping grooves, the transverse reinforcing steel bars are clamped inside the clamping grooves corresponding to the two adjacent fixing plates, the distance increasing plates are mounted between the fixing plates, the fixing plates are slidably mounted on the surface of the mounting rods, the fixing plates are integrally lifted at the positions required by lifting positions, and the fixing plates pass through the fixing grooves and the fixing plates and pass through the transverse positions of the fixing plates. Preferably, the lower surface of the top positioning plate is provided with a positioning groove, the top end of the mounting rod is provided with a clamping part matched with the positioning groove, and the clamping part is spliced in the positioning groove. Preferably, the mounting rod and the bottom positioning plate are of an integrally formed structure. Preferably, the surface of the fixing plate is fixedly provided with a cushion block for forming a circulation groove for concrete circulation between the adjacent fixing plates. Preferably, the fixing