CN218331821U

CN218331821U - Device for pressure test of intermediate joint

Info

Publication number: CN218331821U
Application number: CN202222367390.9U
Authority: CN
Inventors: 张亚琦; 齐丽娟
Original assignee: Beijing Kylinpower Technology Co ltd
Current assignee: Beijing Kylinpower Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-17
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a device for intermediate head withstand voltage test, including support and cable clamp subassembly. The cable clamp assemblies are arranged in parallel along the horizontal direction and are arranged on the support at intervals, the interval direction of the cable clamp assemblies is set to be a first direction, and the horizontal direction perpendicular to the first direction is set to be a second direction; every the cable clamp subassembly includes two cable clamps, two the cable clamp sets up along the second direction interval for two cables of centre gripping and fixed insertion to intermediate head. The utility model provides a device for intermediate head withstand voltage test aims at solving among the prior art cable among the withstand voltage test to intermediate head and the problem that work efficiency is low relatively poor with intermediate head's stability of being connected.

Description

Device for pressure test of intermediate joint

Technical Field

The utility model belongs to the technical field of electrical test, concretely relates to a device for intermediate head withstand voltage test.

Background

A cable is an electrical energy or signal transmission device, generally formed by twisting several or several groups of at least two conductors, each group being insulated from each other and often twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

The cold-shrinkage intermediate joint in the cable accessory needs to be subjected to a power frequency withstand voltage test before leaving a factory, the test needs to be carried out by simulating the working condition of a product, the traditional method is that the expanded intermediate joint is subjected to cold shrinkage and then is tested on a cable end, and after the test is passed, the expanded intermediate joint is expanded again and then is taken down from the cable to leave the factory. Along with the development of science and technology, present intermediate head need not to expand, can directly supply the cable end to insert, but because of the mode of pegging graft, the cable is relatively poor with intermediate head's connection stability, consequently often can lead to the cable end to take place the displacement in intermediate head, needs that the staff does not stop to correct the cable, wastes time and energy, and then can lead to experimental work efficiency low, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for intermediate head withstand voltage test aims at solving among the prior art cable among the withstand voltage test to the intermediate head and the problem that work efficiency is low relatively poor with the connection stability of intermediate head.

In order to achieve the purpose, the utility model adopts the technical proposal that: provided is an apparatus for pressure resistance test of an intermediate joint, comprising:

a support; and

the cable clamp assemblies are arranged in parallel along the horizontal direction and are arranged on the bracket at intervals, the interval direction of the cable clamp assemblies is set to be a first direction, and the horizontal direction perpendicular to the first direction is set to be a second direction; every the cable clamp subassembly includes two cable clamps, two the cable clamp sets up along the second direction interval for two cables of centre gripping and fixed insertion to intermediate head.

In one possible implementation, the bracket has a horizontally disposed mounting surface; each cable clamp is fixedly arranged on the mounting surface.

In one possible implementation, each cable clamp includes a frame and a clamping structure; the frame is fixedly arranged on the bracket and provided with an accommodating cavity; clamping structure one end is located hold the chamber, the other end stretches out hold the chamber, clamping structure is located hold one end in the chamber and be used for the centre gripping fixed cable.

In one possible implementation, the clamping structure comprises two clamping blocks, a sliding rod and a spring; the two clamping blocks are arranged at intervals along the first direction, and a space for placing cables is formed by the two clamping blocks in a surrounding mode; the two sliding rods are arranged corresponding to the clamping blocks, one end of each sliding rod is connected with the clamping block, the other end of each sliding rod extends out of the accommodating cavity, and the sliding rods are connected with the frame in a sliding mode; the two springs are arranged along the first direction, the two springs are arranged in the accommodating cavity, the springs are arranged corresponding to the sliding rods, the springs are sleeved on the corresponding sliding rods, one end of each spring is connected with the frame, and the other end of each spring is connected with the clamping block;

and the frame is provided with a sliding hole for the sliding rod to pass through.

In one possible implementation, each of the clamping blocks has an arc-shaped structure.

In a possible implementation manner, the extending end of each sliding rod is provided with an operating rod.

In a possible implementation manner, the device for the middle joint voltage withstand test further comprises a grounding structure, one end of the grounding structure is erected on the middle joint, and the other end of the grounding structure is connected with a ground wire.

In a possible implementation manner, a clamping seat is further provided on the bracket for fixing the grounding structure.

The utility model provides a device for intermediate head withstand voltage test's beneficial effect lies in: compared with the prior art, through setting up the cable clamp subassembly, every cable clamp subassembly includes two cable clamps, and two cable clamps set up along second direction interval to centre gripping and fixed insertion are to two cables of intermediate head, avoid the cable end to take place the skew in the intermediate head, improve experimental work efficiency, reinforcing practicality. Simultaneously the cable clamp subassembly is equipped with the multiunit, and multiunit cable clamp subassembly is parallel and the interval sets up on the support to can insert two cables to the intermediate head to the multiunit simultaneously and carry out the centre gripping fixed, and then realize carrying out withstand voltage test simultaneously to a plurality of intermediate heads, the simple operation improves work efficiency, and the practicality is good.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for a middle joint pressure resistance test provided by an embodiment of the present invention;

fig. 2 is a schematic view of a matching structure of a bracket and a cable clamp of the device for the middle joint voltage withstand test provided by the embodiment of the present invention;

fig. 3 is a cable clamp structure diagram of a device for intermediate head withstand voltage test that the embodiment of the utility model provides.

Description of reference numerals:

10. a support; 11. a card holder; 111. a first sub-section; 112. a second sub-section; 20. a cable clamp; 21. a frame; 22. a clamping block; 23. a spring; 24. a slide bar; 25. an operating lever; 30. a ground structure; 40. a cable; 50. and an intermediate joint.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Further, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, a device for a pressure resistance test of an intermediate joint according to the present invention will now be described. The device for the withstand voltage test of the intermediate joint comprises a support 10 and a cable clamp 20 assembly. The cable clamp 20 assembly is provided in plurality. A plurality of cable clamp 20 assemblies are arranged on the bracket 10 in parallel and spaced apart in a horizontal direction. The spacing direction of the components of the cable clamp 20 is set to a first direction, and a horizontal direction perpendicular to the first direction is set to a second direction. Each cable clamp 20 assembly includes two cable clamps 20. Each cable clamp 20 assembly includes two cable clamps 20, the two cable clamps 20 being spaced apart along the second direction for clamping and securing two cables 40 inserted into the intermediate connector 50.

The embodiment of the utility model provides a device for intermediate head withstand voltage test compares with prior art, and through setting up cable clamp 20 subassembly, every cable clamp 20 subassembly includes two cable clamps 20, and two cable clamps 20 set up along second direction interval to centre gripping and fixed insertion to two cables 40 of intermediate head 50 avoid the 40 ends of cable to take place the skew in intermediate head 50, improve experimental work efficiency, reinforcing practicality. Simultaneously the cable clamp 20 subassembly is equipped with the multiunit, and the multiunit cable clamp 20 subassembly is parallel and the interval sets up on support 10 to can insert two cables 40 to intermediate head 50 to the multiunit simultaneously and carry out the centre gripping fixed, and then realize carrying out withstand voltage test simultaneously to a plurality of intermediate head 50, the simple operation improves work efficiency, and the practicality is good.

In some embodiments, referring to fig. 1 and 2, the bracket 10 has a horizontally disposed mounting surface. Each cable clamp 20 is fixedly mounted to the mounting surface. In this embodiment, each cable clamp 20 is fixed on a horizontally arranged installation surface, so as to ensure that the cable 40 clamped and fixed in the cable clamp 20 is kept horizontal, and ensure the installation stability of the cable 40 inserted into the intermediate connector 50.

In some embodiments, referring to fig. 1-3, each cable clamp 20 includes a frame 21 and a clamping structure. The frame 21 is fixed on the support 10, and the frame 21 is provided with an accommodating cavity. One end of the clamping structure is positioned in the accommodating cavity, and the other end of the clamping structure extends out of the accommodating cavity. One end of the clamping structure in the receiving cavity is used for clamping and fixing the cable 40. In this embodiment, the frame 21 is fixedly disposed on the bracket 10, the frame 21 has a receiving cavity, and one end of the clamping structure is disposed in the receiving cavity, so as to clamp and fix the cable 40, prevent the cable 40 from deviating, and enhance the practicability.

In some embodiments, referring to fig. 1 to 3, the clamping structure includes two clamping blocks 22, a sliding rod 24 and a spring 23. The two clamping blocks 22 are spaced apart in the first direction. The two clamping blocks 22 enclose a space for placing the cable 40. Two sliding rods 24 are arranged, and the two sliding rods 24 are arranged corresponding to the clamping block 22. One end of the sliding rod 24 is connected with the clamping block 22, the other end of the sliding rod extends out of the accommodating cavity, and the sliding rod 24 is connected with the frame 21 in a sliding mode. The springs 23 are arranged in two, the two springs 23 are arranged along the first direction, the two springs 23 are arranged in the accommodating cavity, the springs 23 are arranged corresponding to the sliding rods 24, the springs 23 are sleeved on the corresponding sliding rods 24, one ends of the springs 23 are connected with the frame 21, and the other ends of the springs are connected with the clamping blocks 22. Wherein, the frame 21 is provided with a slide hole for the slide bar 24 to pass through.

In this embodiment, the sliding rod 24 is connected to the clamping block 22 at one end and extends out of the accommodating cavity at the other end, and the sliding rod 24 is slidably connected to the frame 21, so as to slide the sliding rod 24 to adapt the clamping block 22 to cables 40 of different types. Meanwhile, the sliding rod 24 is sleeved with the spring 23, one end of the spring 23 is connected with the clamping block 22, the other end of the spring 23 is connected with the frame 21, and under the condition that the clamping block 22 clamps the cable 40, the spring 23 is always in a compressed state, so that the clamping block 22 always keeps a clamping state on the cable 40, and the practicability is good.

In some embodiments, referring to fig. 1-3, each clamping block 22 has an arc-shaped structure. In this embodiment, the clamping block 22 is configured as an arc structure, so that the cable 40 can be clamped more stably.

In some embodiments, referring to fig. 1 to 3, an extending end of each sliding rod 24 is provided with an operating rod 25. In this embodiment, an operating rod 25 is provided at the extended end of the sliding rod 24, so that the worker can conveniently pull the sliding rod 24 to slide.

In some embodiments, please refer to fig. 1, the apparatus for the middle joint voltage withstand test provided by the embodiment of the present invention further includes a grounding structure 30, one end of the grounding structure 30 is set up on the middle joint 50, and the other end is connected to the ground wire. In this embodiment, the grounding structure 30 is directly mounted on the intermediate joint 50, so that the operation is convenient.

In some embodiments, referring to fig. 1 and 2, the bracket 10 is further provided with a clamping seat 11 for fixing the grounding structure 30. Optionally, the card seat 11 includes a first sub-portion 111 and a second sub-portion 112, the first sub-portion 111 is disposed on the rack 10, and the second sub-portion 112 is located above the first sub-portion 111. The first sub-portion 111 and the second sub-portion 112 enclose a space for placing the grounding structure 30, and the first sub-portion 111 is screwed with the second sub-portion 112. In this embodiment, the grounding structure 30 is fixed by the card seat 11, so that the position of the grounding structure 30 is prevented from being deviated in the test process, and the test effect is prevented from being influenced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A device for intermediate head withstand voltage test, its characterized in that includes:

a support; and

2. The apparatus for intermediate joint pressure resistance test as claimed in claim 1, wherein said bracket has a horizontally disposed mounting surface; each cable clamp is fixedly arranged on the mounting surface.

3. The apparatus for medium joint voltage withstand test of claim 1, wherein each of the cable clamps comprises a frame and a clamping structure; the frame is fixedly arranged on the bracket and is provided with an accommodating cavity; clamping structure one end is located hold the chamber, the other end stretches out hold the chamber, clamping structure is located hold one end in the chamber and be used for the centre gripping fixed cable.

4. The apparatus for medium joint pressure test according to claim 3, wherein the clamping structure comprises two clamping blocks, a sliding rod and a spring; the two clamping blocks are arranged at intervals along the first direction, and a space for placing cables is formed by the two clamping blocks in a surrounding mode; the two sliding rods are arranged corresponding to the clamping blocks, one end of each sliding rod is connected with the clamping block, the other end of each sliding rod extends out of the accommodating cavity, and the sliding rods are connected with the frame in a sliding mode; the two springs are arranged along the first direction, the two springs are arranged in the accommodating cavity, the springs and the sliding rods are arranged correspondingly, the springs are sleeved on the corresponding sliding rods, one end of each spring is connected with the frame, and the other end of each spring is connected with the clamping block;

5. The apparatus for medium joint pressure test as claimed in claim 4, wherein each of the clamping blocks has an arc structure.

6. The apparatus for intermediate joint pressure resistance test according to claim 4, wherein the projecting end of each of the slide bars is provided with an operating lever.

7. The apparatus for medium joint voltage withstand test of claim 1, further comprising a grounding structure, wherein one end of the grounding structure is erected on the medium joint, and the other end of the grounding structure is connected with a ground wire.

8. The apparatus according to claim 7, wherein a clamping seat is further provided on the bracket for fixing the grounding structure.