CN-116856292-B - Construction device and construction method for assembled bridge

CN116856292BCN 116856292 BCN116856292 BCN 116856292BCN-116856292-B

Abstract

The application relates to a construction device and a construction method for an assembled bridge, and belongs to the field of bridge construction technology. The bridge pier comprises a bridge pier and a main girder, a track section is arranged between the bridge pier and the main girder, the track section comprises a horizontal plate positioned between the main girder and the bridge pier and a vertical plate positioned on one side of the horizontal plate, a notch is formed in the position, opposite to the bridge piers at two ends, of the horizontal plate, a movable plate is arranged on the horizontal plate in a clamping mode, a sliding rail is arranged on one side, located on the track section, of the bridge pier, a movable plate is arranged on the sliding rail in a sliding mode, a driving assembly used for driving the movable plate to move along the sliding rail is arranged on the movable plate, a clamping plate is further arranged on the movable plate in a sliding mode, the movable assembly used for driving the clamping plate to be close to or far away from the vertical plate is arranged on the movable plate, and a connecting piece used for being connected with the vertical plate is arranged on the clamping plate. The application has the effect of reducing the construction cost.

Inventors

WANG JUNZHANG
ZHAO QI
YANG CHENGJIAN
XU YU
DENG JIAWEI
LIU WEI
LIAO BO
WANG WEI
ZHAO SONGLIN
ZHANG DEJIAN
LI HONGCHAO

Assignees

四川公路桥梁建设集团有限公司

Dates

Publication Date: 20260505
Application Date: 20230818

Claims (9)

1. The construction device for the assembled bridge comprises a bridge pier (1) and a main girder (11), wherein a track section (2) is arranged between the bridge pier (1) and the main girder (11), the track section (2) comprises a horizontal plate (21) arranged between the main girder (11) and the bridge pier (1) and a vertical plate (22) arranged on one side of the horizontal plate (21), and is characterized in that a notch (23) is formed in the position, opposite to the bridge pier (1) at two ends, of the horizontal plate (21), a movable plate (24) is clamped and arranged at the notch (23), the upper surface of the movable plate (24) is flush with the upper surface of the horizontal plate (21), a slide rail (3) is arranged on one side, positioned on the bridge pier (1), of the track section (2), a movable plate (31) is arranged on the slide rail (3) in a sliding mode, a driving assembly (4) used for driving the movable plate (31) to move along the slide rail (3) is arranged on the movable plate (31), a clamping plate (32) is further arranged on the movable plate (31) in a sliding mode, the movable plate (31) is clamped and is arranged on the movable plate (31) to be far away from the vertical plate (22), the clamping plate (32) is provided with a connecting piece (6) used for being connected with the vertical plate (22); Because the bridge pier (1) is only contacted with the movable plate (24), the gravity of the main beam (11) is transferred to the bridge pier (1) through the movable plate (24) on the bridge pier (1), so that the horizontal plate (21) is pulled out from between the bridge pier (1) and the main beam (11) through the clamping plate (32), and the horizontal plate (21) can be reused after a new movable plate (24) is installed, the consumption of a track section (2) with the same length as the bridge in the construction process is avoided, and the construction cost is saved.
2. The construction device for the assembled bridge according to claim 1, wherein the edge of the movable plate (24) is provided with a clamping block (241) in a surrounding manner, and the horizontal plate (21) is provided with a clamping groove (211) which is positioned at the notch (23) and is matched with the clamping block (241) in a clamping manner.
3. The construction device for the assembled bridge according to claim 1, wherein the driving assembly (4) comprises a driving motor (41) and a roller (42), the roller (42) is rotatably arranged at the bottom of the moving plate (31), the roller (42) is abutted against the sliding rail (3), the driving motor (41) is arranged on the moving plate (31), and an output shaft of the driving motor (41) is fixedly connected with the roller (42) in a coaxial line.
4. The construction device for the assembled bridge according to claim 1, wherein the moving plate (31) is provided with a guide rail (33) perpendicular to the direction of the slide rail (3), the clamping plate (32) is slidably arranged on the guide rail (33), and the moving assembly (5) is connected with the clamping plate (32).
5. The construction device for the assembled bridge according to claim 4, wherein the moving assembly (5) comprises a screw rod (51) and a servo motor (52), the screw rod (51) is rotatably arranged on the moving plate (31), the screw rod (51) extends towards the vertical plate (22), a guide block (53) is arranged at the bottom of the clamping plate (32), the guide block (53) is sleeved on the screw rod (51) in a threaded manner, and the servo motor (52) is arranged on the moving plate (31) and is fixedly connected with the screw rod (51) in a coaxial line.
6. The construction device for the assembled bridge according to claim 1, wherein the clamping plate (32) is an L-shaped plate body, the vertical plate (22) is provided with a clamping hole (221), a fixing rod (222) is horizontally arranged in the clamping hole (221), the connecting piece (6) is arranged on the vertical section of the clamping plate (32) and is opposite to the fixing rod (222), and the connecting piece (6) is used for being fixed with the fixing rod (222).
7. The construction device for the assembled bridge according to claim 6, wherein the connecting piece (6) comprises a connecting rod (61), a spring (62) and a cylinder (63), the vertical section of the clamping plate (32) is provided with a mounting hole (321), the connecting rod (61) is rotatably arranged on the clamping plate (32) and is positioned in the mounting hole (321), one end of the connecting rod (61) facing the vertical plate (22) is provided with a barb (611), the spring (62) is arranged between the connecting rod (61) and the clamping plate (32) and is used for driving the connecting rod (61) to rotate downwards until the barb (611) is buckled with the fixed rod (222), the cylinder (63) is arranged on the clamping plate (32), and a piston rod of the cylinder (63) vertically extends downwards and is connected with the connecting rod (61).
8. The construction device for the assembled bridge, as set forth in claim 1, characterized in that the clamping box (7) is disposed on the horizontal plate (21) and located at the notch (23), the clamping rod (71) is slidably disposed in the clamping box (7), the clamping rod (71) extends out of the clamping box (7) and extends to the notch (23), a tension spring (72) is sleeved outside the clamping rod (71) and in the clamping box (7), the tension spring (72) enables the clamping rod (71) to always have a trend of moving towards the notch (23), and an electromagnet (73) is disposed at one end, far away from the clamping rod (71), in the clamping box (7).
9. A method of constructing an assembled bridge using the construction apparatus for an assembled bridge according to any one of claims 1 to 8, comprising the steps of: s1, when the main beam (11) is installed, the track section (2) is fixed on the clamping plate (32), and the driving assembly (4) is used for driving the moving plate (31) to move to the installation position of the main beam (11); S2, a moving assembly (5) drives a clamping plate (32) to drive a track section (2) to move to the bridge pier (1), and a connecting piece (6) enables the clamping plate (32) to be separated from a vertical plate (22), so that the track section (2) is placed on the bridge pier (1); S3, integrally fixing the movable plate (24) and the bridge pier (1), and utilizing external traction equipment to draw the main beam (11) to move on the track section (2); S4, after the main beam (11) is installed in place, fixing the clamping plate (32) with the track section (2) by using the connecting piece (6), driving the clamping plate (32) to deviate from the main beam (11) by using the moving assembly (5), and separating the horizontal plate (21) from the movable plate (24); s5, driving the horizontal plate (21) to move to the bridge head, and installing a new movable plate (24) on the horizontal plate (21) for reuse.

Description

Construction device and construction method for assembled bridge Technical Field The application relates to the technical field of bridge construction, in particular to a construction device and a construction method for an assembled bridge. Background The assembled bridge is characterized in that a plurality of tall pier blocks are divided into a plurality of structures along the vertical direction according to a certain modulus and a certain level, pouring is carried out on prefabricated sites around bridge sites, the prefabricated sites are transported to the site through vehicles and vessels, hoisting and splicing are carried out, and then bridge decks are spliced on the pier blocks, so that the aim of rapid construction is achieved. Therefore, the fully prefabricated bridge structure is an effective means for accelerating the construction speed, reducing the site pollution and realizing low-carbonization construction. Under the guidance of national policy and technical development, bridge assembled structures are increasingly widely applied to various projects. The invention patent with the prior authorized bulletin number of CN112227212A discloses an assembled bridge construction device, in particular to a track groove arranged on a bridge pier, a main beam is arranged in the track groove, a traction device is used for traction of the main beam in the track groove to move, and the track groove is integrally fixed with the main beam after the main beam is traction is completed. Aiming at the related technology, the track groove is permanently fixed between the main girder and the bridge pier, and the track groove with the length equal to that of the bridge is consumed in the installation process of the assembled bridge, so that the construction cost is greatly improved. Disclosure of Invention In order to reduce construction cost, the application provides a construction device for an assembled bridge. On one hand, the construction device for the assembled bridge provided by the application adopts the following technical scheme: The utility model provides a construction equipment for assembled bridge, includes pier and girder, be provided with the track section between pier and the girder, the track section is including being located the horizontal plate between girder and the pier and being located the vertical board of horizontal plate one side, the breach has been seted up with both ends pier department relatively on the horizontal plate, just be located breach department joint on the horizontal plate and be provided with the fly leaf, just be located one side of track section on the pier and be provided with the slide rail, it is provided with the movable plate to slide on the slide rail, be provided with the drive assembly who is used for driving the movable plate to remove along the slide rail on the movable plate, still slide on the movable plate and be provided with the clamp and get the board, be provided with on the movable plate and be used for driving the clamp and get the board and be close to or keep away from the removal subassembly of vertical board, the clamp is got and is provided with the connecting piece that is used for being connected with vertical board. By adopting the technical scheme, the track section is arranged on the bridge pier, after the main beam is pulled, installed and fixed in place, the movable clamping plate is close to the vertical plate, the vertical plate is connected with the clamping plate by the connecting piece, the driving clamping plate is far away from the main beam to move, the horizontal plate is pulled out from the bridge pier to the main beam due to the fact that the stress between the main beam and the bridge pier is transferred through the movable plate on the bridge pier, and the horizontal plate can be reused after the new movable plate is arranged, so that the track section with the same length as the bridge is required to be consumed in the construction process, and the construction cost is saved. Optionally, the edge of fly leaf encircles and is provided with the joint piece, the joint groove with joint piece joint complex is seted up to the position that just is located the breach on the horizontal plate. Through adopting above-mentioned technical scheme, the joint piece at fly leaf edge passes through joint groove and horizontal plate joint cooperation to be convenient for with the fly leaf joint on the horizontal plate. Optionally, the drive assembly includes driving motor and gyro wheel, the gyro wheel rotates the setting in the movable plate bottom, the gyro wheel is inconsistent with the slide rail, driving motor sets up on the movable plate and driving motor's output shaft and gyro wheel coaxial line fixed connection. By adopting the technical scheme, the driving motor is started, and the driving motor drives the idler wheel to rotate, so that the effect of conveniently driving the movable plate to move on the sliding rail is achieved. Op