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CN-224223066-U - Automatic welding device for limited space

CN224223066UCN 224223066 UCN224223066 UCN 224223066UCN-224223066-U

Abstract

The utility model discloses an automatic limited space welding device, and relates to the technical field of welding reinforcement of water pipelines. The limited space automatic welding device comprises one or two welding vehicles, each welding vehicle comprises a vehicle body, a lifting mechanism, a multi-axis mechanical arm, a welding mechanism and a dust removing mechanism, two crawler travelling mechanisms which are splayed are arranged below the vehicle body, the lower end of the lifting mechanism is rotatably arranged on the vehicle body, the lower end of the multi-axis mechanical arm is arranged at the top of the lifting mechanism, the main body of the welding mechanism is arranged on the vehicle body, the welding end of the welding mechanism is connected to the front end of the multi-axis mechanical arm, the main body of the dust removing mechanism is arranged on the vehicle body, and the suction port end of the dust removing mechanism is connected to the front end of the multi-axis mechanical arm. The limited space automatic welding device can realize radial rib plate reinforcement of the large-diameter water conveying pipeline, and has the advantages of high automation degree, high construction efficiency, high safety coefficient, good welding quality and the like.

Inventors

  • WANG FAN
  • LI SHUAISHUAI
  • YANG WEIMING
  • WANG YAOZHEN
  • WANG XUEQING
  • WANG AIJIAN
  • LIU YEHUA
  • ZHANG QI
  • SUN HAILONG
  • QIAN XIAOXIANG
  • ZHENG DANDAN
  • XU DONGDONG
  • BI RAN
  • YANG JINXIN
  • LI GUIFU
  • FENG KEYI
  • ZHANG QIANG
  • WANG BAOJUN
  • FENG CHAOLI
  • ZHANG ZHIWEI

Assignees

  • 北京韩建水利水电工程有限公司
  • 北京市水利规划设计研究院

Dates

Publication Date
20260512
Application Date
20250605

Claims (10)

  1. 1. A limited space automatic welding device, wherein the limited space automatic welding device comprises one or two welding carts, the welding carts comprising: The vehicle body is provided with two splayed crawler travelling mechanisms below; the lower end of the lifting mechanism is rotatably arranged on the vehicle body; the lower end of the multi-axis mechanical arm is arranged at the top of the lifting mechanism; The main body of the welding mechanism is arranged on the vehicle body, and the welding end of the welding mechanism is connected with the front end of the multi-axis mechanical arm; The main body of the dust removing mechanism is arranged on the vehicle body, and the suction port end of the dust removing mechanism is connected with the front end of the multi-axis mechanical arm.
  2. 2. The confined space automatic welding device of claim 1, wherein said welding carriage further comprises a plurality of support hydraulic rams; The plurality of supporting hydraulic cylinders are arranged below the vehicle body.
  3. 3. The automatic limited space welding apparatus according to claim 1, it is characterized in that the method comprises the steps of, The lifting mechanism comprises a supporting arm, a lifting platform and a telescopic cylinder; The lower extreme of support arm rotationally sets up on the automobile body, the lift platform sets up the upper end of support arm, the lower extreme of telescopic cylinder rotationally sets up on the automobile body, the upper end of telescopic cylinder rotationally connects the bottom of lift platform.
  4. 4. The automatic welding apparatus for limited space according to claim 3, it is characterized in that the method comprises the steps of, The support arm comprises a first support arm and two second support arms; The first support arm is plate-shaped, the lower end of the first support arm is rotatably arranged on the vehicle body, and the lifting platform is arranged at the upper end of the support arm; the second support arm is a rod, the lower end of the second support arm is rotatably arranged on the vehicle body, and the lifting platform is arranged at the upper end of the support arm.
  5. 5. The automatic limited space welding apparatus according to claim 1, it is characterized in that the method comprises the steps of, The multi-axis mechanical arm comprises a base, a first rotating shaft arranged on the base, a first rotating part sleeved on the first rotating shaft, a first swing arm rotationally connected with the first rotating part, a second rotating part connected with the other end of the first swing arm, a first rotating arm rotatably inserted on the second rotating part, a second swing arm arranged at the front end of the first rotating arm and a wrist rotating shaft arranged on the second swing arm; The wrist rotating shaft is connected with a welding end of the welding mechanism and a suction port end of the dust removing mechanism.
  6. 6. The automatic limited space welding apparatus according to claim 5, it is characterized in that the method comprises the steps of, The base is in a round table shape, and the first rotating shaft is vertically arranged on the base; The first rotating part is sleeved on the first rotating shaft, and a first through hole is further formed in the first rotating part; The first swing arm is in a long plate shape, two ends of the first swing arm are provided with side rotating shafts, and one side rotating shaft is arranged in the first through hole; The second rotating part is sleeved on the other side rotating shaft, and a second through hole is further formed in the second rotating part; The first rotating arm is rotatably inserted in the second through hole.
  7. 7. The automatic limited space welding apparatus according to claim 5, it is characterized in that the method comprises the steps of, The welding mechanism is a carbon dioxide protection type welding machine, and a welding gun of the welding machine is arranged on the wrist rotating shaft.
  8. 8. The limited space automatic welding apparatus as in claim 7, wherein said welding carriage further comprises: The gas storage cylinder is used for storing carbon dioxide and is arranged on the vehicle body.
  9. 9. The limited space automatic welding apparatus as in claim 1, wherein said welding carriage further comprises: The intelligent control cabinet is arranged on the vehicle body and used for controlling the crawler travelling mechanism, the lifting mechanism, the multi-axis mechanical arm, the welding mechanism and the dust removing mechanism.
  10. 10. The limited space automatic welding apparatus as in claim 9, further comprising: and the intelligent control cabinet is connected with the remote terminal through wireless transmission.

Description

Automatic welding device for limited space Technical Field The utility model relates to the technical field of welding reinforcement of water pipelines, in particular to an automatic welding device for a limited space. Background With the laying of water pipeline lines and the urgent problem of urban drinking water, the application of the ultra-large diameter water pipeline is increasing. However, the internal pressure of the water pipe is cyclically changed, so that the pipe is easy to deform, the concrete protection layer is cracked, the water pipe is corroded and leaked, the bearing capacity of the water pipe is reduced, and the water pipe is cracked or pipe burst occurs. When the circular gluten plates are welded on the inner diameter surface of the oversized-diameter water pipe for reinforcement, the concrete on the surface layer of the welded steel cylinder is grooved according to a specified size, and after the concrete leaks out of the steel pipe, the oversized-diameter steel pipe is welded and reinforced in a manual operation mode in the radial direction according to a calculation result. However, the manual operation faces the problems of limited working space, dangerous operation, serious dust interference in the operation process and low working efficiency. Disclosure of utility model The utility model aims to provide a limited space automatic welding device which is used for solving the problems caused by the existing manual operation. To this end, an embodiment of the present utility model proposes a limited space automatic welding apparatus. The limited space automatic welding device comprises one or two welding vehicles, wherein each welding vehicle comprises a vehicle body, a lifting mechanism, a multi-axis mechanical arm, a welding mechanism and a dust removing mechanism, two splayed crawler traveling mechanisms are arranged below the vehicle body, the lower ends of the lifting mechanisms are rotatably arranged on the vehicle body, the lower ends of the multi-axis mechanical arms are arranged on the top of the lifting mechanism, a main body of the welding mechanism is arranged on the vehicle body, the welding ends of the welding mechanism are connected to the front ends of the multi-axis mechanical arms, the main body of the dust removing mechanism is arranged on the vehicle body, and the suction port ends of the dust removing mechanism are connected to the front ends of the multi-axis mechanical arms. In some embodiments, the welding carriage further comprises a plurality of support hydraulic cylinders, and the plurality of support hydraulic cylinders are arranged below the vehicle body. In some embodiments, the lifting mechanism comprises a supporting arm, a lifting platform and a telescopic cylinder, wherein the lower end of the supporting arm is rotatably arranged on the vehicle body, the lifting platform is arranged at the upper end of the supporting arm, the lower end of the telescopic cylinder is rotatably arranged on the vehicle body, and the upper end of the telescopic cylinder is rotatably connected to the bottom of the lifting platform. In some embodiments, the support arm comprises a first support arm and two second support arms, wherein the first support arm is in a plate shape, the lower end of the first support arm is rotatably arranged on the vehicle body, the lifting platform is arranged at the upper end of the support arm, the second support arm is in a rod shape, the lower end of the second support arm is rotatably arranged on the vehicle body, and the lifting platform is arranged at the upper end of the support arm. In some embodiments, the multi-axis mechanical arm comprises a base, a first rotating shaft arranged on the base, a first rotating part sleeved on the first rotating shaft, a first swing arm rotationally connected with the first rotating part, a second rotating part connected with the other end of the first swing arm, a first rotating arm rotatably inserted on the second rotating part, a second swing arm arranged at the front end of the first rotating arm and a wrist rotating shaft arranged on the second swing arm, wherein the wrist rotating shaft is connected with a welding end of the welding mechanism and a suction port end of the dust removing mechanism. In some embodiments, the base is in a shape of a circular truncated cone, the first rotating shaft is vertically arranged on the base, the first rotating part is sleeved on the first rotating shaft, a first through hole is further formed in the first rotating part, the first swing arm is in a long plate shape, side rotating shafts are arranged at two ends of the first swing arm, one side rotating shaft is arranged in the first through hole, the second rotating part is sleeved on the other side rotating shaft, a second through hole is further formed in the second rotating part, and the first rotating arm is rotatably inserted in the second through hole. In some embodiments, the welding mechanism is a carbo