CN211785893U

CN211785893U - On-site fixing tool for high-voltage cable X-ray nondestructive testing device

Info

Publication number: CN211785893U
Application number: CN201922435080.4U
Authority: CN
Inventors: 刘桂梅; 李顺尧; 马瑾; 李响; 孙宇宸
Original assignee: Nanjing Zhuoshi Electric Co ltd
Current assignee: Nanjing Zhuoshi Electric Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a high tension cable X ray nondestructive test device field fixing frock, including X ray source, X ray imaging board and cable fixture, the cable fixture is arranged between X ray source, X ray imaging board, and the ray delivery outlet of X ray source, cable fixture center, imaging board center three are in same water flat line; the X-ray source is arranged on an X-ray source bracket, the X-ray imaging plate is arranged on an imaging plate fixing frame, the cable clamp is arranged on the inner side of the imaging plate fixing frame, and the X-ray source bracket is connected with the imaging plate fixing frame through a connecting rod; rotatable supporting legs are arranged on the imaging plate fixing frame and the connecting rod. The utility model discloses simple structure, convenient operation can improve nondestructive test's detection speed and work efficiency, pinpoint, carry lightly by a wide margin.

Description

On-site fixing tool for high-voltage cable X-ray nondestructive testing device

Technical Field

The utility model relates to a X ray detection technology field, concretely relates to on-spot fixed frock of high tension cable X ray nondestructive test device.

Background

Along with the increasing application of power cables in the high-speed development of power grids, the power cables become urban underground electric energy transmission main arteries, serious accidents such as cable insulation breakdown and accessory explosion occur occasionally during operation due to product quality, external force damage, construction quality, laying environment and the like, high-voltage cable X-ray nondestructive inspection needs to be carried out to ensure safe operation of high-voltage cable lines, the internal conditions of the detected cables are directly observed under the condition of not damaging detected materials, the defects such as cracks, holes, bubbles, slag inclusion and the like of main insulation are detected, latent defects are found as soon as possible to avoid insulating flashover accidents, at present, the cables capable of carrying out X-ray nondestructive inspection are generally fixed in cable wells or cable tunnels in narrow and low complex environments, ray sources and data imaging plates have no available objects, and a large amount of time is needed for fixing the ray devices during each detection, not only the detection efficiency is low, but also the clarity of the film arrangement can not be ensured due to inaccurate positioning.

Through research on the existing documents, the existing radiation nondestructive inspection tool adopts a fixed framework to fix a radiation source, a data imaging plate and an object to be detected into a whole, for example, the tool is an integrated mechanism, so that the tool cannot be arranged or is not suitable for on-site actual inspection of a high-voltage cable under the conditions of narrow and complex inspection environments due to the fact that the tool is an integrated mechanism.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims to solve the defects of the prior art, the utility model provides a fixed frock in high tension cable X ray nondestructive test device scene can improve nondestructive test's detection speed and work efficiency, pinpoint, carry lightly by a wide margin, accords with the engineering and uses.

The technical scheme is as follows: the utility model relates to a fixed frock in high tension cable X ray nondestructive test device scene, including X ray source, X ray imaging board and cable fixture, the cable fixture is arranged between X ray source, X ray imaging board, and the ray delivery outlet of X ray source, cable fixture center, imaging board center three are in same water flat line; the X-ray source is arranged on an X-ray source bracket, the X-ray imaging plate is arranged on an imaging plate fixing frame, the cable clamp is arranged on the inner side of the imaging plate fixing frame, and the X-ray source bracket is connected with the imaging plate fixing frame through a connecting rod; rotatable supporting legs are arranged on the imaging plate fixing frame and the connecting rod.

Preferably, the cable clamp comprises an upper clamp and a lower clamp, and the upper clamp and the lower clamp are detachably connected with the imaging plate fixing frame.

Preferably, the rotatable supporting foot comprises a connecting block and a supporting rod, and one end of the supporting rod is rotatably connected with the connecting block.

Preferably, the X-ray source bracket, the imaging plate fixing frame and the connecting rod are all made of non-magnetic-conductive metal materials.

Preferably, the connecting rod is provided with scales.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of on-spot fixed frock of high tension cable X ray nondestructive test device is applicable to site environment such as cable worker well, cable tunnel and carries out X ray nondestructive test, simple structure, and convenient operation can improve nondestructive test's detection speed and work efficiency, pinpoint, carry lightly by a wide margin.

Drawings

Fig. 1 is a structural diagram of an embodiment of the present invention.

Fig. 2 is a structural diagram of a cable clamp according to an embodiment of the present invention.

In the attached figure, the X-ray source 1, the X-ray imaging plate 2, the cable clamp 3, the X-ray source support 4, the imaging plate fixing frame 5, the connecting rod 6, the connecting block 7, the supporting rod 8, the upper clamp 9, the lower clamp 10 and the cable to be tested 11.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the specific embodiments and the attached drawings, but the scope of the present invention is not limited to the embodiments.

Examples

A field fixing tool of a high-voltage cable X-ray nondestructive testing device is disclosed, referring to fig. 1-2, and comprises an X-ray source 1, an X-ray imaging plate 2 and a cable clamp 3, wherein the cable clamp 3 is arranged between the X-ray source 1 and the X-ray imaging plate 2; x ray source 1 is located on X ray source support 4, and X ray imaging plate 2 is located on imaging plate mount 5, and cable fixture 3 is located imaging plate mount 5 inboardly, and X ray source support 4 is connected through being equipped with connecting rod 6 of scale with imaging plate mount 5 to constitute an organic whole with X ray source support 4 and imaging plate mount 5.

Further, cable fixture 3 includes fixture 9 and fixture 10 down, goes up fixture 9 and fixture 10 down and all passes through the bolt detachable connection with formation of image board mount 5, and then can adjust according to the diameter size of the cable of being surveyed, guarantees that cable fixture 3 can be fixed by the cable of being surveyed.

Further, all be equipped with the rotatable support legs on formation of image board mount 5, the connecting rod 6, the rotatable support legs includes connecting block 7 and bracing piece 8, connecting block 7 is fixed in the outside of formation of image board mount 5 and the outer bottom of connecting rod 6 respectively, a tip of bracing piece 8 passes through bolt rotatable coupling with connecting block 7, and then through the angle of adjustment rotatable support legs and ground, with the help of ground in narrow and small spaces such as cable shaft, peripheral object supports fixedly, make X ray source 1 and X ray formation of image board 2 and cable fixture 3 form stable an organic whole, the realization is at cable shaft, the work of X ray nondestructive test cable is carried out on narrow and small complicated scene such as cable tunnel.

This embodiment is when implementing, will be surveyed cable 11 and arrange cable fixture 3 in, and X ray source support 4, formation of image board mount 5 and connecting rod 6 all utilize plug connector and bolt field assembly fixed, and convenient to carry is convenient at the detection site equipment, and the three all adopts non-magnetic conductive metal material to make, guarantees that the cable does not have the vortex normal detection that generates heat under the high magnetic field condition of live operation. In addition, the X-ray source support 4, the imaging plate fixing frame 5 and the connecting rod 6 are adjusted to enable the ray output hole of the X-ray source 1, the center of the cable fixture 3 and the center of the X-ray imaging plate 2 to be located on the same horizontal line, meanwhile, the scales on the connecting rod 6 are utilized to accurately calibrate the focal lengths of the X-ray source 1 and the X-ray imaging plate 2, and the focal lengths are guaranteed to meet the detection requirements under different peripheral environments.

This embodiment can directly carry out fast assembly at the scene, makes and is surveyed cable 11, X ray source 1, X ray imaging plate 2 and forms an organic whole, for using smoothly in cable shaft or cable tunnel and develop X ray nondestructive test and provide the guarantee, and its work does not receive cable shaft or cable tunnel environment narrow and small, unable influences such as fixed.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A field fixing tool for a high-voltage cable X-ray nondestructive testing device is characterized by comprising an X-ray source, an X-ray imaging plate and a cable clamp, wherein the cable clamp is arranged between the X-ray source and the X-ray imaging plate, and a ray output hole of the X-ray source, the center of the cable clamp and the center of the imaging plate are positioned on the same horizontal line; the X-ray source is arranged on an X-ray source bracket, the X-ray imaging plate is arranged on an imaging plate fixing frame, the cable clamp is arranged on the inner side of the imaging plate fixing frame, and the X-ray source bracket is connected with the imaging plate fixing frame through a connecting rod; rotatable supporting legs are arranged on the imaging plate fixing frame and the connecting rod.

2. The fixing tool according to claim 1, wherein the cable clamp comprises an upper clamp and a lower clamp, and the upper clamp and the lower clamp are detachably connected with the imaging plate fixing frame.

3. The fixing tool according to claim 1 or 2, wherein the rotatable supporting leg comprises a connecting block and a supporting rod, and one end of the supporting rod is rotatably connected with the connecting block.

4. The fixing tool according to claim 1 or 2, wherein the X-ray source bracket, the imaging plate fixing frame and the connecting rod are made of non-magnetic-conductive metal materials.

5. The fixing tool according to claim 1 or 2, wherein scales are arranged on the connecting rod.