CN-115075136-B - Bridge pier column construction step ladder attachment device

CN115075136BCN 115075136 BCN115075136 BCN 115075136BCN-115075136-B

Abstract

The invention relates to a bridge pier column construction step ladder attachment device, and belongs to the technical field of bridge building construction. The device comprises a frame system, wherein the frame system comprises four type pipes which are sequentially and fixedly connected end to end, two ends of a fifth type pipe are respectively connected with a second type pipe and a fourth type pipe and can slide along the length direction of the second type pipe and the fourth type pipe, two ends of a sixth type pipe are respectively connected with the first type pipe and the third type pipe and can slide along the length direction of the third type pipe, two ends of a first telescopic device are respectively connected with the third type pipe and the fifth type pipe, the fifth type pipe is pushed to slide along the second type pipe and the fourth type pipe through the telescopic deformation of the first telescopic device, two ends of the second telescopic device are respectively connected with the first type pipe and the third type pipe, the sixth type pipe is pushed to slide along the first type pipe and the third type pipe through the telescopic deformation of the second telescopic device, one end of a connecting structure is connected with the frame system, and the other end of the connecting structure is connected with a safety step ladder, so that the safety step ladder is fixed. The device provided by the invention is simple to install and detach, time-saving and labor-saving, firm and reliable in adhesion, strong in applicability and reusable.

Inventors

CHEN YUAN
WEN JIAN
YANG DEZHI

Assignees

中国一冶集团有限公司
中国一冶集团有限公司

Dates

Publication Date: 20260421
Application Date: 20220607
Priority Date: 20220607

Claims (8)

1. The utility model provides a bridge pier construction step ladder attachment device, its characterized in that, the device includes frame system, first telescopic machanism, second telescopic machanism and connection structure, wherein: The whole outline of the frame system is rectangular and comprises a first type pipe, a second type pipe, a third type pipe and a fourth type pipe which are fixedly connected end to end in sequence, wherein two ends of the fifth type pipe are respectively and movably connected with the second type pipe and the fourth type pipe and can slide along the length directions of the second type pipe and the fourth type pipe; The first telescopic device comprises a first scissor jack, a movable sleeve and a first fixed sleeve, wherein the movable sleeve and the first fixed sleeve are respectively fixed at the upper end and the lower end of the first scissor jack, the movable sleeve is sleeved on the fifth type pipe, and the first fixed sleeve is sleeved on the third type pipe, so that the first telescopic device can slide along the third type pipe and the fifth type pipe through the movable sleeve and the first fixed sleeve; The second telescopic device comprises a second scissor jack, a U-shaped clamping groove and a second fixed sleeve, wherein the U-shaped clamping groove is buckled on the sixth type pipe, and the second fixed sleeve is sleeved on the fourth type pipe, so that the second telescopic device can slide along the fourth type pipe and the sixth type pipe through the U-shaped clamping groove and the second fixed sleeve; one end of the connecting structure is connected with the frame system, and the other end of the connecting structure is used for connecting with the safety step ladder, so that the safety step ladder is fixed.
2. The bridge pier construction step ladder attachment apparatus of claim 1, wherein the joints of the two ends of the first, second, third and fourth type pipes are fixedly connected by means of U-bolts.
3. The bridge pier construction step ladder attachment apparatus of claim 1, wherein a runner is provided on each of the second type pipe and the fourth type pipe, and a tenon is provided at both ends of the fifth type pipe, and the tenon is inserted into the runner and slides along the runner.
4. A bridge pier construction step attachment device according to any one of claims 1-3, wherein said sixth-type tube comprises two strip-type tubes disposed in parallel one above the other, the two strip-type tubes being integrally connected by a screw.
5. The bridge pier construction step ladder attachment apparatus of claim 1, wherein a bolt is provided on a side of the first fixing sleeve, and the first fixing sleeve is locked to the third-type pipe by screwing the bolt.
6. The bridge pier construction step ladder attachment apparatus of claim 1, wherein a bolt is provided on one side of the second fixing sleeve, and the second fixing sleeve is locked to the fourth type pipe by screwing the bolt.
7. The bridge pier construction step ladder attachment apparatus of claim 1 or 6, wherein the movable sleeve and the first fixed sleeve are welded to the upper and lower ends of the first scissor jack, respectively, and the U-shaped clamping groove and the second fixed sleeve are welded to the upper and lower ends of the second scissor jack, respectively.
8. The bridge pier construction step ladder attachment apparatus of claim 1, wherein said connecting structure comprises two connecting rods parallel to each other, one end of each of said connecting rods being connected to said fourth-type tube, and the other end being adapted to be connected to a safety step ladder.

Description

Bridge pier column construction step ladder attachment device Technical Field The invention belongs to the technical field of bridge building construction, and particularly relates to a bridge pier column construction step ladder attachment device. Background In the bridge pier column construction process, for facilitating the upper and lower operation of personnel, a step ladder is required to be arranged, and the step ladder is required to be attached and fixed on the pier column to ensure the stability of the step ladder, wherein the installation height of the step ladder exceeds 5 meters. The prior art has the defects that ① embedded parts are poured in the concrete, the time and the labor are wasted in chiseling, the appearance quality can be affected due to improper treatment, ② embedded parts are shallow in embedding, the attaching stability is poor, difficulty in chiseling in the later stage is increased if the embedded parts are deep in embedding, ③ embedded parts are used once more, and material waste and cost are increased. The invention does not need to use embedded parts, has simple assembly and disassembly, is firm and reliable in fixation, and does not damage the appearance quality of pier column concrete. The invention is applicable to pier studs with various cross section forms, has strong applicability and can be reused. Disclosure of Invention In order to solve the defects in the prior art, the invention aims to provide the bridge pier column construction step ladder attaching device which has the characteristics of simplicity in assembly and disassembly, time and labor saving, firm and reliable attachment, strong applicability and reusability. In order to achieve the above purpose, the invention adopts a technical scheme that: the utility model provides a bridge pier column construction step ladder attachment device, includes frame system, first telescopic machanism, second telescopic machanism and connection structure, wherein: The whole outline of the frame system is rectangular and comprises a first type pipe, a second type pipe, a third type pipe and a fourth type pipe which are sequentially and fixedly connected end to end, wherein two ends of the fifth type pipe are respectively and movably connected with the second type pipe and the fourth type pipe and can slide along the length directions of the second type pipe and the fourth type pipe; The two ends of the first telescopic device are respectively connected with the third type pipe and the fifth type pipe, and the fifth type pipe is pushed to slide to a proper position along the second type pipe and the fourth type pipe through the telescopic deformation of the first telescopic device; the two ends of the second telescopic device are respectively connected with the first type pipe and the third type pipe, and the sixth type pipe is pushed to slide to a proper position along the first type pipe and the third type pipe through the telescopic deformation of the second telescopic device; One end of the connecting structure is connected with the frame system, and the other end of the connecting structure is used for connecting the safety step ladder, so that the safety step ladder is fixed. Further, according to the bridge pier column construction step ladder attachment device, the joints of the two ends of the first type pipe, the second type pipe, the third type pipe and the fourth type pipe are fixedly connected through the U-shaped bolts. Further, according to the bridge pier column construction step ladder attaching device, the sliding grooves are formed in one side face of the second type pipe and one side face of the fourth type pipe, the tenons are arranged at two ends of the fifth type pipe, and the tenons can be inserted into the sliding grooves and slide along the sliding grooves. Further, according to the bridge pier column construction step ladder attachment device, the sixth-type pipe comprises two strip-shaped pipes which are arranged in parallel up and down, and the two strip-shaped pipes are connected into a whole through a screw rod. Further, the bridge pier stud construction step ladder attachment device comprises a first scissor jack, and a movable sleeve and a first fixed sleeve which are respectively fixed at the upper end and the lower end of the first scissor jack, wherein the movable sleeve is sleeved on a fifth type pipe, and the first fixed sleeve is sleeved on a third type pipe. Further, according to the bridge pier stud construction step attaching device, the bolts are arranged on the side faces of the first fixing sleeves, and the first fixing sleeves can be locked on the third type pipe by screwing the bolts. Further, the bridge pier column construction step ladder attachment device comprises a second scissor jack, and a U-shaped clamping groove and a second fixing sleeve which are fixed at the upper end and the lower end of the second scissor jack, wherein the U-shaped clamping groove is buckled on a s