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CN-224216877-U - Tunnel lining radar detection device

CN224216877UCN 224216877 UCN224216877 UCN 224216877UCN-224216877-U

Abstract

The utility model relates to the technical field of tunnel detection, and discloses a tunnel lining radar detection device which comprises a movable support, wherein a pulley used for being connected with a sliding rail is fixedly arranged at the bottom of the movable support, a supporting plate seat is fixedly arranged at the bottom of the movable support, and a center column is fixedly arranged at the top of the supporting plate seat. This tunnel lining radar detection device, it is simple easily to take, the cost is low, work efficiency is high, easily go up the manual operation, labour saving and time saving greatly reduced cost of labor and save time, the tradition unilateral frame has been liberated, better be applicable to existing line tunnel detection, can be applicable to the tunnel detection work of different co-altitude through adjusting the length of crow bar, and through adjusting the supporting angle of three-dimensional universal joint, can make when detecting the different radian regions in tunnel top, make radar detection device can keep the laminating with tunnel inner wall, thereby the degree of accuracy of detection has been improved, and applicable scope has been improved.

Inventors

  • LI JIAN
  • YANG TANG
  • ZHANG KAIFENG
  • LIU YANG
  • GAO HANG
  • TIAN WEIGANG
  • Sheng Kefan
  • Qi Deliang
  • XIE KAI
  • Zhu Shenxu

Assignees

  • 中铁十九局集团有限公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (10)

  1. 1. The tunnel lining radar detection device comprises a movable support (1) and is characterized in that a pulley (11) used for being connected with a sliding rail is fixedly arranged at the bottom of the movable support (1), a supporting plate seat (2) is fixedly arranged at the bottom of the movable support (1), a center column is fixedly arranged at the top of the supporting plate seat (2), a supporting frame (6) is fixedly arranged at the top of the center column, a prying lever (7) is rotatably arranged on the inner side of the supporting frame (6) through a rotary pin, a radar detection device (8) is movably arranged at the end part of the prying lever (7) through a three-dimensional universal joint, and a rope is fixedly connected with one end, far away from the radar detection device (8), of the prying lever (7).
  2. 2. The tunnel lining radar detection device according to claim 1, wherein the center column comprises a bottom support steel pipe (3), a rotary bearing seat (4) and a top support steel pipe (5), the bottom support steel pipe (3) is fixedly mounted on the top of the support plate seat (2), the rotary bearing seat (4) is fixedly mounted on the top of the rotary bearing seat (4), the top support steel pipe (5) is rotatably mounted on the top of the bottom support steel pipe (3) through the rotary bearing seat (4), and the support frame (6) is fixedly mounted on the top of the top support steel pipe (5).
  3. 3. The tunnel lining radar detection device according to claim 2, wherein the outer wall of the bottom support steel pipe (3) is fixedly provided with a support side pipe (31), the bottom end of the support side pipe (31) is fixedly arranged on the top of the movable support (1), the length of the support side pipe (31) is 1.8m, and the diameter of the support side pipe (31) is 3cm.
  4. 4. A tunnel lining radar detection apparatus as claimed in claim 2, wherein the lengths of the bottom support steel pipe (3) and the top support steel pipe (5) are 2m, and the diameters of the bottom support steel pipe (3) and the top support steel pipe (5) are 12cm.
  5. 5. The tunnel lining radar detection device according to claim 1, wherein the pulley (11) is a pulley with a self-locking function.
  6. 6. The tunnel lining radar detection device according to claim 1, wherein the crow bar (7) is composed of three square steels, the three square steels are connected through bolts after being perforated, and the lengths of the three square steels are 4.5m, 4.5m and 2m respectively.
  7. 7. The tunnel lining radar detection device according to claim 6, wherein a plurality of screw holes are formed in the surfaces of three square steels of the crow bar (7).
  8. 8. The tunnel lining radar detection device according to claim 2, wherein climbing rods are fixedly welded on the surfaces of the bottom support steel pipe (3) and the top support steel pipe (5).
  9. 9. The tunnel lining radar detection apparatus as claimed in claim 1, wherein the three-dimensional gimbal comprises a fixed blade (81), a deflection plate (82), a first deflection blade (83), a first positioning pin (84), a first deflection opening (85), a first fixing bolt (86), a second deflection blade (87), a support blade (88), a second deflection opening (89), a second fixing bolt (90), a second positioning pin (91) and a mounting plate seat (92), the deflection plate (82) is fixedly mounted to an end of the mobile support (1), the first deflection blade (83) is fixedly mounted to a surface of the deflection plate (82), the first deflection blade (83) is rotatably mounted to the fixed blade (81) through the first positioning pin (84), the first deflection opening (85) is formed on a surface of the fixed blade (81), the first fixing bolt (86) passes through the first deflection opening (85) to fix a mounting angle of the first deflection blade (83) and the fixed blade (81), the second deflection blade (83) is fixedly mounted to the end of the mobile support (1), the first deflection blade (82) is fixedly mounted to the support plate (82) through the first positioning pin (84), the deflection plate (82) is rotatably mounted to the support plate (8) away from the surface of the mounting plate (8), the support blade (88) is rotationally connected with the second deflection blade (87) through a second positioning rotary pin (91), the second deflection opening (89) is formed in the surface of the second deflection blade (87), and the second fixing bolt (90) penetrates through the second deflection opening (89) to fix the installation angle of the second deflection blade (87) and the support blade (88).
  10. 10. The tunnel lining radar detection device as claimed in claim 9, wherein the first deflection opening (85) and the second deflection opening (89) are circular arc-shaped notches, a circle center of the first deflection opening (85) is located on an axis of the first positioning rotating pin (84), and a circle center of the second deflection opening (89) is located on an axis of the second positioning rotating pin (91).

Description

Tunnel lining radar detection device Technical Field The utility model relates to the technical field of tunnel detection, in particular to a tunnel lining radar detection device. Background After the tunnel construction is completed, the inner wall of the tunnel needs to be detected, a radar needs to be used for being close to the inner wall of the tunnel during detection, the geological radar receives reflected signals through transmitting high-frequency electromagnetic waves (the frequency range is usually 100-900 MHz of the second fixing bolt), the reflection characteristics of different medium interfaces are analyzed, and nondestructive detection of the inside and back conditions of the lining structure is achieved. When the electromagnetic wave encounters different mediums such as concrete, holes or steel bars, the reflection waveform and the amplitude can be obviously different, an identifiable radar image is formed, when detection is carried out, the radar detection device needs to be lifted to the position of the top inner wall of a tunnel, and the radar detection device also needs to be lifted all the time in the detection process, after the steel rail is paved on the high-speed railway, the contact network wire in the tunnel is installed, the traditional detection vehicle cannot walk, and meanwhile, the large arm of the detection vehicle and the contact network wire have interference and cannot work. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a tunnel lining radar detection device, which solves the problem of inconvenient tunnel radar detection operation. (II) technical scheme In order to achieve the purpose, the technical scheme is that the tunnel lining radar detection device comprises a movable support, a pulley used for being connected with a sliding rail is fixedly arranged at the bottom of the movable support, a supporting plate seat is fixedly arranged at the bottom of the movable support, a center column is fixedly arranged at the top of the supporting plate seat, a supporting frame is fixedly arranged at the top of the center column, a prying lever is rotatably arranged on the inner side of the supporting frame through a rotating pin, a radar detection device is movably arranged at the end part of the prying lever through a three-dimensional universal joint, and a rope is fixedly connected to one end, far away from the radar detection device, of the prying lever. Preferably, the center column comprises a bottom support steel pipe, a rotary bearing seat and a top support steel pipe, wherein the bottom support steel pipe is fixedly arranged at the top of the support plate seat, the rotary bearing seat is fixedly arranged at the top end of the rotary bearing seat, the top support steel pipe is rotatably arranged at the top end of the bottom support steel pipe through the rotary bearing seat, and the support frame is fixedly arranged at the top of the top support steel pipe. Preferably, the outer wall of the bottom support steel pipe is fixedly provided with a support side pipe, the bottom end of the support side pipe is fixedly arranged at the top of the movable support, the length of the support side pipe is 1.8m, and the diameter of the support side pipe is 3cm. Preferably, the lengths of the bottom support steel pipe and the top support steel pipe are 2m, and the diameters of the bottom support steel pipe and the top support steel pipe are 12cm. Preferably, the pulley is a pulley with a self-locking function. Preferably, the prying lever is composed of three square steels, the three square steels are connected through bolts after being punched, and the lengths of the three square steels are 4.5m, 4.5m and 2m respectively. Preferably, a plurality of screw holes are formed in the surfaces of the three square steels of the prying lever. Preferably, the climbing rods are fixedly welded on the surfaces of the bottom support steel pipe and the top support steel pipe. Preferably, the three-dimensional universal joint comprises a fixed blade, a deflection plate, a first deflection blade, a first positioning rotating pin, a first deflection opening, a first fixing bolt, a second deflection blade, a support blade, a second deflection opening, a second fixing bolt, a second positioning rotating pin and a mounting plate seat, wherein the deflection plate is fixedly mounted on the end part of the movable support, the first deflection blade is fixedly mounted on the surface of the deflection plate, the first deflection blade is rotatably mounted with the fixed blade through the first positioning rotating pin, the first deflection opening is formed in the surface of the fixed blade, the first fixing bolt penetrates through the first deflection opening to fix the mounting angle of the first deflection blade and the fixed blade, the second deflection blade is fixedly mounted on one side surface of the deflection plat