CN219957668U

CN219957668U - Contact net residual voltage detection device

Info

Publication number: CN219957668U
Application number: CN202321261419.3U
Authority: CN
Inventors: 杨建忠
Original assignee: Hebei Zhongzhong Cold Rolling Material Co Ltd
Current assignee: Hebei Zhongzhong Cold Rolling Material Co Ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-03
Anticipated expiration: 2033-05-24

Abstract

The utility model provides a residual pressure detection device for a contact net, wherein a telescopic rod is arranged in a telescopic cylinder in a sliding manner, one end of the telescopic rod extending out of the telescopic cylinder is fixed with an assembly disc, the assembly disc and the telescopic rod are eccentrically arranged, a detection structure is arranged on the surface of the assembly disc, the detection structure is communicated with detection equipment through a connecting wire, a handle sleeve sleeved on the outer side of the telescopic cylinder is convenient for a user to take, friction force between the hand of the user and the telescopic cylinder is improved, one end of a contact convex column extending out of the fixed cylinder is contacted with the contact net, and further, a supporting spring is compressed.

Description

Contact net residual voltage detection device

Technical Field

The utility model relates to a residual voltage detection device for a contact net, and relates to the field of power equipment.

Background

The overhead contact system is a high-voltage power transmission line which is erected along the upper part of a steel rail in a zigzag shape and is used for current collection of a pantograph. The overhead contact system is a main framework of railway electrification engineering, and is a special type power transmission line which is erected along the overhead of a railway line and supplies power to an electric locomotive. It is composed of a contact suspension, a supporting device, a positioning device, a support column and a foundation, but the conventional detecting device cannot adjust the height, and if too much force is applied during use, the contact net is easily damaged, so a new device is needed to solve the problem.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a residual pressure detection device for a contact net so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a contact net residual voltage detection device, includes telescopic link and flexible section of thick bamboo, the inside slip of flexible section of thick bamboo is provided with the telescopic link, the one end that the telescopic link stretched out flexible section of thick bamboo is fixed mutually with the assembly dish, the assembly dish sets up with the telescopic link is eccentric, the surface mounting of assembly dish has detection structure, detection structure is linked together with check out test set via the connecting wire.

Further, the outer wall of telescopic link and flexible section of thick bamboo is provided with the clamp, the clamp is arranged along the axis direction equidistance of telescopic link and flexible section of thick bamboo.

Further, the telescopic cylinder is inwards recessed at a position far away from the opening to form a fixing groove, the fixing groove is sleeved with the handle sleeve, and anti-skid patterns are distributed on the surface of the handle sleeve.

Further, the detection structure comprises a fixed cylinder, the fixed cylinder is fixed mutually with the assembly dish, the inside sliding connection of fixed cylinder has the movable block, the one end of movable block is provided with the contact projection, the contact projection stretches out the fixed cylinder and sets up, the other end of movable block is fixed mutually with detecting the transfer pole, the one end that detects the transfer pole and stretch out the fixed cylinder is fixed mutually with the wiring dish, the wiring dish is disc-shaped structure, the wiring dish is connected with the connecting wire, the outside cover that detects the transfer pole has supporting spring, supporting spring's one end is laminated mutually with the surface of movable block, supporting spring's the other end is laminated mutually with the section of thick bamboo wall of fixed cylinder.

Further, the clamp is of a circular arc structure, a protection pad is distributed on the inner ring of the clamp, and the surface of the protection pad is attached to the connecting line.

Further, screw holes are formed in the surface of the assembly plate, and the screw holes distributed on the assembly plate are screwed with external threads distributed on the outer wall of the fixed cylinder.

The utility model has the beneficial effects that: by designing the traditional equipment into the structures of the telescopic rod and the telescopic cylinder, the design is convenient for adjusting the overall height of the equipment, thereby meeting the detection requirements of contact networks with different heights;

the handle sleeve sleeved on the outer side of the telescopic cylinder is convenient for a user to take, the friction force between the hand of the user and the telescopic cylinder is improved, one end of the contact convex column extending out of the fixed cylinder is in contact with the contact net, and then the supporting spring is compressed.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a residual voltage detection device of a contact net according to the present utility model;

FIG. 2 is a cross-sectional view of a detecting structure in the overhead line system residual voltage detecting device according to the present utility model;

fig. 3 is a schematic structural view of a handle sleeve in the residual voltage detection device of the contact net of the utility model;

in the figure: 1-detecting structure, 2-assembly disc, 3-clamp, 4-telescopic link, 5-telescopic cylinder, 6-gloves, 7-anti-skid pattern, 11-contact convex column, 12-fixed cylinder, 13-movable block, 14-detection transfer rod, 15-supporting spring, 16-wiring disc.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a contact net residual voltage detection device, including telescopic link 4 and telescopic cylinder 5, telescopic cylinder 5's inside slip is provided with telescopic link 4, telescopic link 4 stretches out telescopic cylinder 5's one end and is fixed mutually with assembly dish 2, assembly dish 2 and telescopic link 4 eccentric settings, assembly dish 2's surface mounting has detection structure 1, detection structure 1 is linked together with check out test set via the connecting wire, telescopic cylinder 5 keeps away from the inside sunken fixed slot that forms in open-ended position, the fixed slot is in the same place with handle cover 6 suit, handle cover 6's surface distribution has anti-skidding line 7, the cover is then convenient for the user to take at telescopic cylinder 5 outside handle cover 6, the frictional force between user's hand and the telescopic cylinder 5 has been improved.

The outer wall of telescopic link 4 and telescopic cylinder 5 is provided with clamp 3, and clamp 3 arranges along telescopic link 4 and telescopic cylinder 5 axis direction equidistance, and clamp 3 is convex structure, and the inner circle of clamp 3 distributes and has the protection pad, and the surface of protection pad laminates with the connecting wire mutually, and clamp 3 that is located telescopic link 4 and telescopic cylinder 5 side then can carry out the joint to the connecting wire.

The detection structure 1 comprises a fixed cylinder 12, the fixed cylinder 12 is fixed with an assembly disc 2, a screw hole is formed in the surface of the assembly disc 2, the screw hole distributed on the assembly disc 2 is screwed with an external screw thread distributed on the outer wall of the fixed cylinder 12, a movable block 13 is slidably connected in the fixed cylinder 12, one end of the movable block 13 is provided with a contact convex column 11, the contact convex column 11 stretches out of the fixed cylinder 12 to be arranged, the other end of the movable block 13 is fixed with a detection transfer rod 14, one end of the detection transfer rod 14 stretches out of the fixed cylinder 12 to be fixed with a wiring disc 16, the wiring disc 16 is of a disc-shaped structure, the wiring disc 16 is connected with a connecting wire, a supporting spring 15 is sleeved on the outer side of the detection transfer rod 14, one end of the supporting spring 15 is attached to the surface of the movable block 13, the other end of the supporting spring 15 is attached to the cylinder wall of the fixed cylinder 12, one end of the contact convex column 11 stretches out of the fixed cylinder 12 is contacted with the connecting wire, and the supporting spring 15 is compressed.

The specific embodiment is as follows: when the telescopic rod 4 is used, firstly, the telescopic rod 4 slides out from the interior of the telescopic cylinder 5, then the detection structure 1 is mounted on the assembly disc 2, the detection structure 1 is connected with detection equipment through a connecting wire, the handle sleeve 6 sleeved on the outer side of the telescopic cylinder 5 is convenient for a user to take, the friction force between the hand of the user and the telescopic cylinder 5 is improved, the connecting wire is clamped on the clamp 3, the clamp 3 can clamp the connecting wire, then the telescopic cylinder 5 is used for taking the detection structure 1, the contact net is convenient to detect, one end of the contact convex column, which extends out of the fixed cylinder 12, is in contact with the contact net, further the supporting spring 15 is compressed, the design prevents the user from damaging parts on the contact net due to the fact that the acting force is too large, the wiring disc 16 is connected with the detection equipment through the connecting wire, residual pressure on the detection net can be detected through the detection equipment, and in addition, the clamp 3 positioned on the side of the telescopic rod 4 and the telescopic cylinder 5 can clamp the connecting wire.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a contact net residual voltage detection device, includes telescopic link (4) and flexible section of thick bamboo (5), its characterized in that: the inside slip of flexible section of thick bamboo (5) is provided with telescopic link (4), telescopic link (4) stretch out the one end of flexible section of thick bamboo (5) and are fixed mutually with assembly dish (2), assembly dish (2) and telescopic link (4) eccentric settings, the surface mounting of assembly dish (2) has detection structure (1), detection structure (1) are linked together with check out test set via the connecting wire.

2. The overhead line system residual voltage detection device according to claim 1, wherein: the outer wall of telescopic link (4) and flexible section of thick bamboo (5) is provided with clamp (3), clamp (3) are arranged along the axis direction equidistance of telescopic link (4) and flexible section of thick bamboo (5).

3. The overhead line system residual voltage detection device according to claim 1, wherein: the telescopic cylinder (5) is inwards sunken to form a fixed slot at a position far away from the opening, the fixed slot is sleeved with the handle sleeve (6), and anti-skid patterns (7) are distributed on the surface of the handle sleeve (6).

4. The overhead line system residual voltage detection device according to claim 1, wherein: the detection structure (1) comprises a fixed cylinder (12), the fixed cylinder (12) is fixed with the assembly disc (2), a movable block (13) is connected to the inside of the fixed cylinder (12) in a sliding mode, one end of the movable block (13) is provided with a contact convex column (11), the contact convex column (11) stretches out of the fixed cylinder (12) to be arranged, the other end of the movable block (13) is fixed with a detection transfer rod (14), one end of the detection transfer rod (14) stretches out of the fixed cylinder (12) to be fixed with a wiring disc (16), the wiring disc (16) is of a disc-shaped structure, the wiring disc (16) is connected with a connecting wire, a supporting spring (15) is sleeved outside the detection transfer rod (14), one end of the supporting spring (15) is attached to the surface of the movable block (13), and the other end of the supporting spring (15) is attached to the wall of the fixed cylinder (12).

5. The overhead line system residual voltage detection device according to claim 2, wherein: the clamp (3) is of a circular arc structure, protection pads are distributed on the inner ring of the clamp (3), and the surfaces of the protection pads are attached to the connecting wires.

6. The overhead line system residual voltage detection device according to claim 4, wherein: screw holes are formed in the surface of the assembly disc (2), and the screw holes distributed on the assembly disc (2) are screwed with external threads distributed on the outer wall of the fixed cylinder (12).