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CN-121976469-A - Scissor fork pier stud climbing device

CN121976469ACN 121976469 ACN121976469 ACN 121976469ACN-121976469-A

Abstract

The invention discloses a scissor-fork pier stud climbing device, and belongs to the technical field of climbing equipment. The device comprises an upper climbing frame, a lower climbing frame, a locking oil cylinder, a jacking oil cylinder and a load bearing platform. The upper climbing frame and the lower climbing frame are of scissor structures, are arranged up and down along the axis of the pier column, and drive the clamping arms through the locking oil cylinders to clamp or loosen the pier column, and the jacking oil cylinders are hinged between the climbing frames to push the device to climb in a stepping mode. The device adopts a sensor system to monitor parameters in real time, so as to ensure climbing safety synchronization. The shear fork structure has radial adjustability, is suitable for different pier column types, and can span the connecting beam. The invention has simple structure and wide applicability, and effectively solves the problems of high-altitude operation risk and low efficiency of the traditional construction method.

Inventors

  • WANG WEIBING
  • ZHOU LIN
  • CAI YONGKANG
  • WEI FAN
  • Kong Chuirui

Assignees

  • 四川五新智能设备有限公司

Dates

Publication Date
20260505
Application Date
20260312

Claims (10)

  1. 1. The utility model provides a cut fork pier stud climbing device, its characterized in that, including climbing frame (1), climbing frame (2) down, locking hydro-cylinder (3) and jacking cylinder (4), go up climbing frame (1) with climbing frame (2) down is cutting fork structure to arrange from top to bottom along pier stud (6) axis direction, locking hydro-cylinder (3) dispose on every climbing frame for drive clamping mechanism realizes the clamp or unclamping of pier stud (6), jacking cylinder (4) articulate in climbing frame (1) with climb down between frame (2) down, be used for promoting climbing frame relative motion in order to realize climbing or decline, cut fork structure includes two centre gripping arms (1.1), the piston rod of locking hydro-cylinder (3) with the ear seat of centre gripping arm (1.1) upper end articulates, the cylinder body of locking hydro-cylinder (3) articulate in the ear seat of the lower extreme of centre gripping arm (1.1) is used for driving centre gripping arm (1.1) and rotating around flat head round pin axle (1.3) in order to realize the clamp or unclamp pier stud (6).
  2. 2. A scissor pier stud climbing device according to claim 1, characterized in that the gripping arms (1.1) are hinged by means of flat-headed pins (1.3) to form a frame structure, partly or entirely enclosing the pier stud (6) in the middle.
  3. 3. A scissor pier climbing device according to claim 2, characterized in that each clamping arm (1.1) is provided with a clamping block (1.2), the clamping blocks (1.2) being hinged to the ends of the clamping arms (1.1) by means of pins for direct contact and clamping of the pier (6).
  4. 4. The scissor pier stud climbing device according to claim 1, further comprising a load bearing platform (5), wherein the load bearing platform (5) is arranged at the top of the climbing frame (1) and is formed by welding profile steel and used for supporting a bent cap template.
  5. 5. A scissor pier stud climbing device according to claim 1, characterized in that the locking cylinder (3) is equipped with a pressure sensor for real-time monitoring of clamping force, and the jacking cylinder (4) is equipped with a displacement sensor for real-time monitoring of jacking travel and synchronicity.
  6. 6. A scissor pier stud climbing device according to claim 4, characterized in that the load carrying platform (5) is provided with an inclination sensor for monitoring the overall attitude of the climbing device in real time.
  7. 7. A scissor pier stud climbing device according to claim 1, characterized in that the working surface of the gripping block (1.2) is attached with polyurethane plates for increasing the friction coefficient and preventing damage to the pier stud (6) surface.
  8. 8. The scissor type pier stud climbing device according to claim 2, wherein the clamping arms (1.1) are of a U-shaped frame structure, the two clamping arms (1.1) are hinged into a whole through one flat head pin shaft (1.3), the pier stud (6) is surrounded in the center, stepping climbing is realized by the two jacking cylinders (4), radial openings of the scissor type pier stud climbing device are adjustable, and the scissor type pier stud climbing device is suitable for circular or non-circular pier studs (6) with different diameters and can span connecting beams among the pier studs.
  9. 9. A scissor pier stud climbing device according to claim 3, characterized in that the bottom of the cylinder body of the jacking cylinder (4) is hinged to the lower climbing frame (2), and the top of the piston rod is hinged to the upper climbing frame (1).
  10. 10. The scissor type pier stud climbing device according to claim 2, wherein the clamping arms (1.1) are of a square frame structure, the two clamping arms (1.1) are hinged to form a closed loop through two flat-head pin shafts (1.3), the pier stud (6) is surrounded in the center, and stepping climbing is achieved through four jacking cylinders (4).

Description

Scissor fork pier stud climbing device Technical Field The invention relates to the technical field of bridge construction equipment, in particular to a scissor-fork pier stud climbing device. Background In the bridge capping beam construction process, the traditional methods such as a steel bar crossing method, a bracket method and a floor support method all need to be operated at high altitude, and the problems of long construction period, poor safety, low reliability and the like are gradually exposed. These methods not only have low construction efficiency, but also increase the risk of worker working aloft. In recent years, climbing devices based on the hoop method are introduced into the capping beam for construction, and step climbing is realized under the pushing of a power device through the cooperative action of an upper hoop and a lower hoop, so that the capping beam template can be lifted to a high position after being assembled at a low position, and the construction risk is reduced. However, the existing hoop structure is generally designed to surround the pier column in the radial direction, is only suitable for the circular pier column, cannot adapt to the change of the diameters of different pier columns, and has obvious limitation. Aiming at the defects, the application provides a climbing device with a scissor structure, which aims to solve the problems of universality, safety and efficiency. Disclosure of Invention The invention aims to provide a scissor type pier stud climbing device, which aims to realize reliable clamping and stepping climbing of pier studs through a scissor structure, so that the device can adapt to pier studs of different types and diameters, and meanwhile, the control precision and the safety are improved through a sensor system, and finally, the effects of reducing construction risks and improving efficiency are achieved. The invention adopts the following technical scheme that the scissor pier climbing device is characterized by comprising an upper climbing frame, a lower climbing frame, locking oil cylinders and a jacking oil cylinder, wherein the upper climbing frame and the lower climbing frame are of a scissor structure and are arranged up and down along the axis direction of a pier, the locking oil cylinders are arranged on each climbing frame and are used for driving a clamping mechanism to clamp or loosen the pier, the jacking oil cylinders are hinged between the upper climbing frame and the lower climbing frame and are used for pushing the climbing frames to move relatively so as to realize climbing or descending, the scissor structure comprises two clamping arms, a piston rod of each locking oil cylinder is hinged with an ear seat at the upper end of each clamping arm, and a cylinder body of each locking oil cylinder is hinged on an ear seat at the lower end of each clamping arm and is used for driving the clamping arm to rotate around a flat-head pin shaft so as to clamp or loosen the pier. Furthermore, the clamping arms are hinged through flat-head pin shafts to form a frame structure, and the pier column is half-wrapped or full-wrapped in the middle. Further, each clamping arm is provided with a clamping block, and the clamping blocks are hinged to the tail ends of the clamping arms through pin shafts and are used for directly contacting and clamping the pier studs. Further, the climbing frame further comprises a load bearing platform, wherein the load bearing platform is arranged at the top of the climbing frame and is formed by welding profile steel and used for supporting the bent cap template. Further, the locking oil cylinder is provided with a pressure sensor for monitoring the clamping force in real time, and the jacking oil cylinder is provided with a displacement sensor for monitoring the jacking travel and the synchronism in real time. Further, an inclination sensor is arranged on the load bearing platform and used for monitoring the overall posture of the climbing device in real time. Further, the working face of the clamping block is attached with a polyurethane plate for increasing friction coefficient and preventing the surface of the pier from being damaged. Furthermore, the clamping arms are of U-shaped frame structures, the two clamping arms are hinged into a whole through the flat-head pin shaft, the pier studs are surrounded in the center, stepping climbing is realized by the two jacking oil cylinders, the radial opening of the scissor fork structure is adjustable, and the pair of lifting type lifting device is suitable for circular or non-circular pier studs with different diameters and can span the connecting beams among the pier studs. Further, the bottom of the cylinder body of the jacking cylinder is hinged to the lower climbing frame, and the top of the piston rod is hinged to the upper climbing frame. Furthermore, the clamping arms are of a square frame structure, two clamping arms are hinged through two flat-head pin shafts