CN215768773U

CN215768773U - Portable pipe type bus loop resistance test is with tight hoop structure

Info

Publication number: CN215768773U
Application number: CN202121708801.5U
Authority: CN
Inventors: 余俊; 王涛
Original assignee: East China Power Transmissions Engineering Co ltd
Current assignee: East China Power Transmissions Engineering Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-08
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a tightening structure for resistance testing of a portable tubular bus loop, which relates to the technical field of power transmission and transformation engineering and comprises two arc plates, wherein hollow pipes are welded on the inner surface walls of the two arc plates close to the edges of the front side and the rear side, first springs are welded on the inner surface walls of the four hollow pipes, a circular plate is welded at one end of each first spring, the outer side of the circular plate slides along the inner surface walls of the hollow pipes, a sliding rod is welded at one end of the circular plate, one end of the sliding rod penetrates through the hollow pipes in a sliding mode, the number of the sliding rods is four, the sliding rods are divided into two groups, and an arc clamping plate is welded between one end of each two sliding rods. According to the utility model, when a copper wire is tested, the generated heat can be timely led out through the heat conducting sheet, and meanwhile, the heat during the copper wire test can be radiated through the arc-shaped clamping plate and the plurality of radiating holes on the heat conducting sheet, so that the test accuracy can be effectively improved in use.

Description

Portable pipe type bus loop resistance test is with tight hoop structure

Technical Field

The utility model relates to the technical field of power transmission and transformation engineering, in particular to a tightening structure for testing the resistance of a portable tubular bus loop.

Background

Most tubular buses of the transformer substation are arranged at high altitude, and the contact resistance test is extremely inconvenient. The traditional loop resistance tester is provided with a traditional clamp type tightening clamp, and is not provided with a test tightening clamp special for a tubular bus, so that the tubular bus cannot be fixed in the test process.

When the on-the-spot is tested, with copper line winding pipe female back, with the tight hoop link up the clamp on the copper line, and test current adopts 100A more, bad contact can produce the phenomenon of generating heat, links up the tight hoop simultaneously and presss from both sides on the copper line, because its thickness of different copper lines is different, this kind of fixed mode can lead to the tight hoop to link up the clamp and can't satisfy different copper line thicknesses and carry out the centre gripping and use to can't guarantee fixed reliability, influence experimental accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, can timely conduct heat on heating phenomena in use, can better stably clamp and fix copper wires with different thicknesses, and improves the accuracy of an experiment.

In order to achieve the purpose, the utility model adopts the following technical scheme: a tightening structure for resistance testing of a portable tubular bus loop comprises arc plates, wherein the number of the arc plates is two, hollow pipes are welded at the edges, close to the front side and the rear side, of the inner surface walls of the two arc plates, first springs are welded at the inner surface walls of the four hollow pipes, a circular plate is welded at one end of each first spring, the outer side of the circular plate slides along the inner surface wall of the corresponding hollow pipe, a sliding rod is welded at one end of the circular plate, one end of the sliding rod penetrates through the outer portion of the corresponding hollow pipe in a sliding mode, the number of the sliding rods is four, the sliding rods are divided into two groups, an arc clamping plate is welded between one end of each two sliding rods, a heat conducting strip is adhered to the inner surface wall of the arc clamping plate, a plurality of heat dissipation holes are formed in the inner surface wall of the heat conducting strip at equal intervals, and the heat dissipation holes penetrate through the arc clamping plate;

two the interior table wall of arc is close to four corners and all has welded the second spring, and the one end of second spring and the outer surface welding of arc splint, the surface cover of second spring is equipped with the rubber sleeve, and the one end of rubber sleeve and the interior table wall adhesion of arc to the other end of rubber sleeve and the outer surface adhesion of arc splint.

As a preferred embodiment, two supporting plates are welded on the top and the bottom of one arc-shaped plate close to the front and rear side edges.

In a preferred embodiment, a rotating shaft is rotatably connected between the opposite outer surfaces of the two support plates.

As a preferred embodiment, the top and the bottom of the other arc-shaped plate are welded with fixing plates close to the edges of the front side and the rear side, and the fixing plates are provided with embedding openings.

In a preferred embodiment, a screw rod is welded to the outer surface of the rotating shaft, and the outer surface of the screw rod is connected with the inner surface wall of the embedding opening in a clamping mode.

As a preferred embodiment, the outer surface of the screw rod is sleeved with a nut in a threaded manner, and rotating rods are welded on the outer surface of the nut close to the edges of the two sides.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the copper wire clamping device, when copper wires with different thicknesses are clamped, the copper wires are placed inside the two arc-shaped clamping plates, the screw rod is clamped inside the embedded opening, the rotating rod rotates, the nut is fastened on the screw rod, the two arc-shaped plates are fixedly connected together, when the copper wire clamping device is connected, the two arc-shaped clamping plates move due to the thickness of the copper wires, the second spring deforms, meanwhile, the sliding rod can drive the circular plate to move inside the hollow tube, the circular plate extrudes the first spring, in use, the restoring force of the first spring and the restoring force of the second spring can enable the two arc-shaped clamping plates to better clamp and fix the copper wires stably, and the accuracy of a test is improved.

2. According to the utility model, when the copper wire is tested, the generated heat can be timely led out through the heat conducting sheet, and meanwhile, the heat during the copper wire test can be dissipated through the arc-shaped clamping plate and the plurality of heat dissipating holes in the heat conducting sheet, so that the test accuracy can be effectively improved in use.

Drawings

FIG. 1 is a perspective view of a tightening structure for testing the resistance of a portable tubular busbar circuit according to the present invention;

FIG. 2 is a perspective view of a tightening structure for testing the resistance of a portable tubular busbar circuit according to the present invention;

FIG. 3 is a cross-sectional perspective view of a hollow tube of a tightening structure for a resistance test of a portable tubular bus loop according to the present invention;

FIG. 4 is a cross-sectional perspective view of a rubber sleeve of a tightening structure for testing the resistance of a portable tubular bus loop, provided by the utility model;

fig. 5 is an enlarged view of a portion a in fig. 2 of a portable tubular bus loop resistance test tightening structure according to the present invention.

Illustration of the drawings:

1. an arc-shaped plate; 2. a rubber sleeve; 3. heat dissipation holes; 4. an arc-shaped splint; 5. a heat conductive sheet; 6. a slide bar; 7. a hollow tube; 8. a support plate; 9. a screw rod; 10. a fixing plate; 11. a circular plate; 12. a first spring; 13. a second spring; 14. a rotating shaft; 15. embedding a port; 16. a rotating rod; 17. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a tightening structure for resistance testing of a portable tubular bus loop comprises arc plates 1, wherein the number of the arc plates 1 is two, hollow pipes 7 are welded at the edges of the front side and the rear side of the inner surface walls of the two arc plates 1, first springs 12 are welded at the inner surface walls of the four hollow pipes 7, a circular plate 11 is welded at one end of each first spring 12, the outer side of the circular plate 11 slides with the inner surface wall of each hollow pipe 7, a sliding rod 6 is welded at one end of the circular plate 11, one end of the sliding rod 6 slides to penetrate the outer portion of each hollow pipe 7, the number of the sliding rods 6 is four, the sliding rods are divided into two groups, an arc clamping plate 4 is welded between one end of each two sliding rods 6, a heat conducting plate 5 is adhered to the inner surface wall of the arc clamping plate 4, a plurality of heat dissipation holes 3 are formed in the inner surface wall of the heat conducting plate 5 at equal intervals, and the heat dissipation holes 3 penetrate through the arc clamping plate 4;

the interior table wall of two arcs 1 is close to all welding of four corners and has second spring 13, and the one end of second spring 13 and the outer surface welding of arc splint 4, and the surface cover of second spring 13 is equipped with rubber sleeve 2, and the one end of rubber sleeve 2 and the interior table wall adhesion of arc splint 1 to the other end of rubber sleeve 2 and the outer surface adhesion of arc splint 4, thereby can protect second spring 13 through rubber sleeve 2.

Two backup pads 8 have all been welded to both sides edge around the top and the bottom of an arc 1 are close to, thereby can be to the position welded fastening of backup pad 8 through arc 1.

The rotating shafts 14 are rotatably connected between the opposite outer surfaces of the two supporting plates 8, and the rotating shafts 14 can rotate by adopting a rotating connection mode, so that the screw rods 9 can rotate.

The top and the bottom of another arc 1 are close to the equal welding of both sides edge around and have fixed plate 10, thereby can be to the position welded fastening of fixed plate 10 through arc 1, have seted up on the fixed plate 10 and have inlayed and establish mouth 15, thereby set up and inlay and establish mouth 15 and can make lead screw 9 block in the inside of inlaying and establishing mouth 15.

The outer surface welding of pivot 14 has lead screw 9, and the surface of lead screw 9 with inlay the interior table wall block connection of establishing mouth 15, because pivot 14 can rotate to can make lead screw 9 rotate, be convenient for establish the inside of mouth 15 with the lead screw 9 block inlaying.

The outer surface thread cover of lead screw 9 is equipped with nut 17, and the surface of nut 17 is close to both sides edge and all has welded bull stick 16, through rotating bull stick 16, is convenient for make nut 17 fasten on lead screw 9.

The working principle of the embodiment is as follows: when the tightening structure for testing the resistance of the portable tubular bus loop is used, firstly, as shown in fig. 1-5, when copper wires with different thicknesses are clamped, the copper wires are placed inside the two arc-shaped clamping plates 4, the screw rod 9 is swung, the screw rod 9 is clamped inside the embedding opening 15, the rotating rod 16 is rotated, so that the nut 17 is fastened on the screw rod 9, the two arc-shaped plates 1 are fixedly connected together, when the connection is performed, the two arc-shaped clamping plates 4 can move due to the thickness of the copper wires, due to the movement of the two arc-shaped clamping plates 4, the second spring 13 can be deformed, and meanwhile, the sliding rod 6 can drive the circular plate 11 to move inside the hollow tube 7, so that the circular plate 11 extrudes the first spring 12, and in use, through the restoring forces of the first spring 12 and the second spring 13, the two arc-shaped clamping plates 4 can better stably clamp and fix the copper wire, so that the test accuracy is improved; meanwhile, according to the illustration in fig. 1-2, when a copper wire is tested, the generated heat can be timely led out through the heat conducting sheet 5, and meanwhile, the heat generated when the copper wire is tested can be dissipated through the arc-shaped clamping plate 4 and the heat conducting sheet 5 through the plurality of heat dissipation holes 3, so that the test accuracy can be effectively improved in use.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a portable cast generating line return circuit resistance test is with tight hoop structure, includes arc (1), its characterized in that: the two arc plates (1) are arranged, hollow pipes (7) are welded at the edges of the front side and the rear side of the inner surface walls of the two arc plates (1), first springs (12) are welded on the inner surface walls of the four hollow pipes (7), a circular plate (11) is welded at one end of each first spring (12), the outer side of the circular plate (11) slides with the inner surface wall of the hollow pipe (7), one end of the circular plate (11) is welded with a sliding rod (6), one end of each sliding rod (6) penetrates through the hollow pipe (7) in a sliding manner, the number of the sliding rods (6) is four, and is divided into two groups, an arc-shaped clamping plate (4) is welded between one ends of two sliding rods (6) in each group, the heat conducting fins (5) are adhered to the inner surface wall of the arc-shaped clamping plate (4), a plurality of heat radiating holes (3) are formed in the inner surface wall of each heat conducting fin (5) at equal intervals, and the heat radiating holes (3) penetrate through the arc-shaped clamping plate (4);

two the interior table wall of arc (1) is close to the equal welding of four corners and has second spring (13), and the outer surface welding of the one end of second spring (13) and arc splint (4), the surface cover of second spring (13) is equipped with rubber sleeve (2), and the one end of rubber sleeve (2) and the interior table wall adhesion of arc (1) to the other end of rubber sleeve (2) and the outer surface adhesion of arc splint (4).

2. The tightening structure for testing the resistance of the portable tubular busbar circuit according to claim 1, wherein the tightening structure comprises: two supporting plates (8) are welded at the top and the bottom of the arc-shaped plate (1) close to the edges of the front side and the rear side.

3. The tightening structure for testing the resistance of the portable tubular busbar circuit according to claim 2, wherein the tightening structure comprises: a rotating shaft (14) is rotatably connected between the opposite outer surfaces of the two supporting plates (8).

4. The tightening structure for testing the resistance of the portable tubular busbar circuit according to claim 3, wherein the tightening structure comprises: and the top and the bottom of the arc-shaped plate (1) are close to the edges of the front side and the rear side, fixing plates (10) are welded on the edges of the front side and the rear side, and embedding openings (15) are formed in the fixing plates (10).

5. The tightening structure for testing the resistance of the portable tubular busbar circuit according to claim 4, wherein the tightening structure comprises: the outer surface welding of pivot (14) has lead screw (9), and the surface of lead screw (9) and inlay the interior table wall block connection of establishing mouth (15).

6. The tightening structure for testing the resistance of the portable tubular busbar circuit according to claim 1, wherein the tightening structure comprises: the outer surface thread cover of lead screw (9) is equipped with nut (17), the surface of nut (17) is close to both sides edge and all has welded bull stick (16).