CN-224229680-U - Long arm telescoping device

CN224229680UCN 224229680 UCN224229680 UCN 224229680UCN-224229680-U

Abstract

The utility model discloses a long-arm telescopic device which comprises a telescopic arm, a walking guide rail and a supporting structure, wherein the telescopic arm is sequentially nested and telescopic, the walking guide rail is arranged on the outer wall of the telescopic arm and synchronously stretches along with the telescopic arm, the supporting structure is arranged on the telescopic arm at the tail end, and the supporting structure is used for stretching and bottoming to form a support. The long-arm telescopic device has high synchronism and end support, so as to meet the detection requirements of long travel and high stability.

Inventors

DING NING
LIAO QIANG
GENG BO
LIU PENGFEI
SHANG JUNNIAN
LI XIAOBIN
DONG LEI
LIU HUAILIN
HAO WANJUN
ZHANG LUN

Assignees

深圳市人工智能与机器人研究院
招商局重庆交通科研设计院有限公司

Dates

Publication Date: 20260512
Application Date: 20250624

Claims (10)

1. The long-arm telescopic device is characterized by comprising a plurality of sections of telescopic arms, a walking guide rail and a supporting structure; The telescopic arms are sequentially nested and telescopic, and the walking guide rail is arranged on the outer wall of the telescopic arms and synchronously stretches along with the telescopic arms; The support structure is arranged on the tail end of the telescopic arm and is used for extending to bottom to form a support.
2. The long arm telescoping device of claim 1, wherein the plurality of telescoping arms comprises a reference arm and at least one section of extension arm, wherein a first section of extension arm and the reference arm are in telescoping engagement by a synchronous belt power module, and adjacent extension arms are in telescoping engagement by a pull rope structure module, so that the remaining extension arms are in telescoping engagement with the first section of extension arm.
3. The long arm telescoping device of claim 2, wherein the timing belt power module comprises a belt rotating motor, a belt connector, a timing belt and two timing pulleys, wherein the two timing pulleys are rotatably fixed at the head end and the tail end of the reference arm respectively, the belt rotating motor is used for driving one of the timing pulleys to rotate, the timing belt is connected between the two timing pulleys, and the belt connector is used for connecting the timing belt with the first section of the extension arm.
4. The long-arm telescopic device according to claim 2, wherein the pull rope structure module comprises a steel wire rope, a fixed pulley assembly and hooks, the hooks are arranged on the telescopic arms at the front section and the rear end in every three adjacent sections of telescopic arms, the fixed pulley assembly is arranged on the middle telescopic arm, and two ends of the steel wire rope are respectively connected with two hooks after bypassing the fixed pulley assembly.
5. The long arm telescoping device of claim 1, wherein the telescoping arm comprises a tube rack comprising a plurality of tube poles, the plurality of tube poles spliced into the tube rack.
6. The long arm telescoping device of claim 5, wherein said tube rod is a carbon fiber tube.
7. The long arm telescoping device of claim 5, wherein said telescoping arm further comprises a support ring disposed within said tube rack and supported on said tube post.
8. The long arm telescoping device of claim 1, further comprising an auxiliary guide mounted on said telescoping arm and slidably clamped with said telescoping arm nested for guiding said telescoping arm when telescoping.
9. The long-arm telescoping device according to claim 8, wherein the auxiliary guide comprises a first swing arm seat, a second swing arm seat and rollers, wherein the second swing arm seat is fixed at the tail end of the telescoping arm, the middle part of the first swing arm seat is hinged at one end of the second swing arm seat, the number of the rollers is six, the six rollers are oppositely arranged at two ends of the first swing arm seat and the other end of the second swing arm seat, and all the rollers can be in rolling contact with and clamped with the nested telescoping arm.
10. The long arm telescoping device of claim 1, wherein the support structure comprises a lifting assembly, a support member and an elastic buffer member, wherein the lifting assembly is mounted at the end of the multi-section telescoping arm and is used for driving the support member to descend to bottom to form a support, and the support member is connected with the lifting assembly through the elastic buffer member.

Description

Long arm telescoping device Technical Field The utility model relates to the technical field of bridge detection, in particular to a long-arm telescopic device. Background With the rapid development of bridge detection industry, stringent requirements of light weight, high precision and environmental adaptability are put forward for mobile carriers carrying detection equipment. The traditional long-arm telescopic device generally adopts a steel structure, realizes a telescopic function through a multistage hydraulic cylinder or a gear rack drive, has higher end load capacity, but has the following obvious defects in practical application: Firstly, in the aspect of structural design, the traditional device adopts split structural design, and the walking guide rail and the telescopic arm are respectively and independently installed. The design causes that the telescopic boom can not synchronously stretch and retract in the extending process, and the walking guide rail is necessarily connected in a butt joint mode through manual segmentation or other modes, so that the work such as reinstallation and debugging of the guide rail is required, and the working efficiency is seriously affected. Secondly, in terms of synchronous performance, the traditional hydraulic drive or multi-stage gear transmission system has obvious motion hysteresis problem, so that the running track of the carrier deviates from the design route, and the detection precision is affected. Finally, in the aspect of stability, the rigidity of the existing long-arm telescopic device is insufficient, the deflection deformation is large and the running condition of the detection equipment is affected due to the fact that the extension of the existing long-arm telescopic device is large, meanwhile, the long-arm telescopic device slightly shakes after being extended and the data acquisition of the detection equipment is affected due to the fact that the transverse extension of the long-arm telescopic device is large, and in addition, the running device at the lower portion of the installed long-arm telescopic device is inclined, derailed and the like due to the fact that the single-side extension of the long-arm telescopic device is large. Disclosure of utility model Aiming at the defects existing in the prior art, the technical problem to be solved by the utility model is to provide the long-arm telescopic device which has high synchronism and end support so as to meet the detection requirements of long stroke and high stability. In order to achieve the aim, the utility model is realized by the following technical scheme that the long-arm telescopic device comprises a plurality of sections of telescopic arms, a walking guide rail and a supporting structure; The telescopic arms are sequentially nested and telescopic, and the walking guide rail is arranged on the outer wall of the telescopic arms and synchronously stretches along with the telescopic arms; The support structure is arranged on the tail end of the telescopic arm and is used for extending to bottom to form a support. Further, the multisection the flexible arm includes datum arm and at least one section extension arm, first section the extension arm with the datum arm passes through synchronous belt power module transmission and realizes stretching out and drawing back, adjacent through stay cord structure module transmission connection between the extension arm, so that remaining the extension arm is along with first section the extension arm is synchronous flexible. Further, the synchronous belt power module comprises a belt rotating motor, a belt connecting piece, a synchronous belt and two synchronous pulleys, wherein the two synchronous pulleys are respectively and rotatably fixed at the head end and the tail end of the reference arm, the belt rotating motor is used for driving one synchronous pulley to rotate, the synchronous belt is connected between the two synchronous pulleys, and the belt connecting piece is used for connecting the synchronous belt with the first section of the extension arm. Further, the stay cord structure module includes wire rope, fixed pulley subassembly and couple, every adjacent three in the flexible arm, be located anterior segment and rear end flexible arm all is provided with the couple, the fixed pulley subassembly sets up in the centre on the flexible arm, after wire rope walks around the fixed pulley subassembly, both ends respectively with two couple is connected. Further, the telescopic boom comprises a pipe frame, the pipe frame comprises a plurality of pipe rods, and the pipe rods are spliced into the pipe frame. Further, the pipe rod is a carbon fiber pipe. Further, the telescopic arm further comprises a support ring, wherein the support ring is arranged in the pipe frame and is supported on the pipe rod. Further, the telescopic arm comprises an auxiliary guide piece, wherein the auxiliary guide piece is arranged on the telescopic arm and is in