Visual detection device for urban cable duct bank

A technology for cable arrangement and detection device, which is applied to measurement devices, optical testing flaws/defects, supporting machines, etc., can solve the problems of inaccurate judgment, low detection efficiency, difficulty in irradiating damaged points, blocked points, etc., and achieves judgment accuracy High, reduce labor intensity, improve the effect of quality

Pending Publication Date: 2022-01-21
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the traditional detection of the pipes before laying cables mainly adopts the method of lighting with a flashlight and observing with the naked eye. The detection efficiency is generally low, and the situation of blockage, damage and specific location cannot be accurately judged. Especially when the length of the cable pipes reaches a certain range, use Traditional methods are more difficult to irradiate damaged points and clogged points

Method used

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  • Visual detection device for urban cable duct bank
  • Visual detection device for urban cable duct bank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 As shown, a visual detection device for urban cable pipes includes: a traveling mechanism 1, a camera 2, a display, a hard pipeline, and a pipeline storage device; 2 Electrically connected communication / power interface 111; a power supply / communication cable is built inside the hard pipeline, the power supply / communication cable in one end of the hard pipeline is detachably connected to the communication / power interface 111, and the other end of the hard pipeline is wound on On the pipeline storage device, so that push rod detection can be realized, the power supply / communication cables inside the hard pipeline are electrically connected to the power supply and the display respectively; the front end of the traveling mechanism 1 is equipped with a rotary cleaning device 3, and its rear end is equipped with a fan 4; The power supply can provide working power for the camera 2 through the power cable, and the image signal output of the camera 2 can be tran...

Embodiment 2

[0025] Such as figure 1 As shown, the present embodiment is a further optimization carried out on the basis of embodiment 1, which is specifically as follows:

[0026] There is a scale mark on the hard pipeline, so as to know the blockage, damage and specific location in real time.

Embodiment 3

[0028] Such as figure 1 As shown, the present embodiment is a further optimization carried out on the basis of embodiment 1 or 2, which is specifically as follows:

[0029] The traveling mechanism 1 includes a frame 110, a fixed sleeve 120, a sliding sleeve 130, a triangular support frame 140, a roller 150 and an elastic reset mechanism 160, the fixed sleeve 120 is fixedly set on the frame 110, and the sliding sleeve 130 is movably set on the frame 110 , that is, the sliding sleeve 130 can move along the frame 110, so that the structure realizes variable diameter; multiple sets of triangular support frames 140 are arranged around the frame 110, and two of the four ends of each set of triangular support frames 140 are respectively fixed to the The sleeve 120 is connected to the sliding sleeve 130, and the other two ends are rotated to be provided with elastic rollers 150, which can elastically fill the inner wall of the cable duct and roll along the inner wall to reduce movemen...

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Abstract

The invention discloses an urban cable duct bank visual detection device. The visual detection device comprises a walking mechanism, a camera, a display, a hard pipeline and a pipeline storage device, wherein the camera is arranged in front of the walking mechanism, and a tail end of the walking mechanism is provided with a communication / power interface electrically connected with the camera; the power supply / communication cable in one end of the hard pipeline is detachably connected with the communication / power supply interface, the other end of the hard pipeline is wound on the pipeline storage device, and the power supply / communication cable in the hard pipeline is electrically connected with the power supply and the display respectively. The device is advantaged in that the device can be manually operated, does not need extra power, can automatically adapt to the inner diameter of the cable duct bank, can observe the blockage and damage conditions in the cable duct bank at a short distance, can effectively improve erection efficiency and precision of the cable laying front duct bank, reduces labor intensity of operators, provides accurate guidance for subsequent cable duct bank dredging and other operations; further improves the cable laying quality, and is of great significance for ensuring safe and stable operation of a power grid.

Description

technical field [0001] The invention relates to the technical field of electric power detection, in particular to a visual detection device for urban cable pipes. Background technique [0002] With the continuous advancement of my country's urban modernization process, land resources are increasingly scarce, and power supply corridors are limited. Power cables are gradually replacing overhead lines with unique characteristics, and have been widely used in urban power transmission and distribution network systems. There are generally three laying methods for power cables, namely direct burial laying, tunnel laying, and pipe laying, and pipe laying is the most widely used solution at this stage. Cable pipe laying has become an indispensable part of the urban distribution network. , Therefore, the pipe inspection before cable laying is particularly important, focusing on detecting whether the cable pipe is complete, whether it is blocked, whether there are foreign objects, and ...

Claims

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Application Information

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IPC IPC(8): G01N21/84G01N21/95F16M11/42F16M11/04
CPCG01N21/84G01N21/95F16M11/04F16M11/42
Inventor 王德贺杨柳青张英龙福刚李仙琪王翀王先锋
Owner GUIZHOU POWER GRID CO LTD
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