CN216646708U

CN216646708U - Direct current superposition impulse voltage test device

Info

Publication number: CN216646708U
Application number: CN202123285764.4U
Authority: CN
Inventors: 高明明
Original assignee: Hunan Xindagao Electronic Technology Co ltd
Current assignee: Hunan Xindagao Electronic Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-31
Anticipated expiration: 2031-12-24

Abstract

The utility model belongs to the technical field of high-voltage tests, and particularly relates to a direct-current superimposed impulse voltage test device which comprises a movable frame body, wherein rolling buffer assemblies are arranged at the corners of the bottom end of the movable frame body, the top end of the movable frame body is in an open design, a ceiling assembly convenient to disassemble is detachably arranged on the top side of the movable frame body, and a vertical lifting assembly is arranged in the movable frame body, so that the direct-current superimposed impulse voltage test device does not need repeated disassembling and assembling operation in the use process, only the ceiling assembly convenient to disassemble is needed to disassemble, and then a motor is controlled, so that a supporting sliding plate can do vertical lifting motion in the movable frame body under the series matching of the assemblies, namely, an impulse voltage generator device body is driven to move to the top of the movable frame body and enter a working state, a series of complex operations such as field assembly and the like in the prior art are avoided, and the labor intensity of workers is reduced, the test efficiency is increased, and the problems in the prior art are solved.

Description

Direct current superposition impulse voltage test device

Technical Field

The utility model belongs to the technical field of high-voltage tests, and particularly relates to a direct-current superposition impulse voltage test device.

Background

The high-voltage cable is an important component of a high-voltage power transmission and transformation line, and the insulation level of the high-voltage cable can greatly affect the safety problem of the power transmission and transformation line. The cable products are examined from the insulation angle and mainly realized in a test mode of overlapping impulse voltage, overhead lines are widely distributed in a power system and are easy to be disturbed by thunder, and most cable lines are connected with the overhead lines, so that the cable lines can be subjected to the thunder impulse introduced by the overhead lines. In addition, the operation impulse voltage caused by system fault, line switching, switch operation or other reasons in the system can also impact the cable line, so that a high-voltage direct-current cable superposition impulse voltage test,

The prior art still has certain drawback when using direct current stack impulse voltage test device, especially when needing to transport test equipment, needs to dismantle test equipment to transport equipment, when experimental, need carry out the on-the-spot equipment to equipment, increased staff's intensity of labour, to a great extent has reduced efficiency of software testing.

SUMMERY OF THE UTILITY MODEL

Based on the above background, the present invention provides a dc superimposed impulse voltage testing apparatus, which does not need to be repeatedly disassembled and assembled, only needs to disassemble and disassemble a ceiling component, and then controls a motor, so that a supporting sliding plate can vertically move upwards in a movable frame under the serial cooperation of the components, i.e. the impact voltage generator apparatus body is driven to move to the top of the movable frame and enter a working state, thereby avoiding a series of complex operations such as field assembly and the like in the prior art, reducing the labor intensity of workers, increasing the testing efficiency, and solving the problems existing in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a direct current stack impulse voltage test device, is including removing the framework, the bottom edge of removing the framework all is provided with the roll buffering subassembly, and removes the top of framework and be the opening design, the top side of removing the framework can be dismantled and be provided with just tear open roof subassembly, and is provided with the vertical lift subassembly in the removal framework, the vertical lift subassembly is including the motor, the output of motor extends to and is provided with two-way lead screw in the removal framework, and the outer wall both sides of two-way lead screw all are provided with the nut, the equal activity of outer wall of two sets of nuts articulates the connecting rod, and the one end of two sets of connecting rods articulates there is the slide board, the top of slide board is provided with impulse voltage generator equipment body, the slide rail is installed to the inner wall symmetry of removing the framework, and the inner wall and the slide board sliding connection of slide rail.

As a preferable technical solution of the present invention, a control panel is embedded in a front end of the movable frame, and a movable door is mounted at an opening of an outer wall of the movable frame through a hinge.

According to a preferable technical scheme of the utility model, the rolling buffer assembly comprises a connecting plate, the top end of the connecting plate is in threaded connection with the moving frame body, two sides of the bottom end of the connecting plate are respectively hinged with a supporting arm and a hydraulic rod, one end of the hydraulic rod is hinged with the outer wall of the supporting arm, and one end of the supporting arm is provided with a roller.

As a preferable technical scheme of the utility model, the outer wall of the hydraulic rod is provided with a compression spring.

As a preferable technical scheme of the utility model, the easy-to-detach ceiling component comprises a connecting hook, the top end of the connecting hook is provided with a threaded groove, a connecting screw rod is detachably arranged in the threaded groove, the top end of the connecting screw rod is provided with a supporting bearing, and the top end of the supporting bearing is provided with a ceiling body.

As a preferred technical scheme of the present invention, a sliding groove is formed at the bottom end of the inner cavity of the moving frame, sliding blocks are mounted at the bottom ends of the two sets of nuts, and the outer walls of the sliding blocks are slidably connected with the sliding groove.

As a preferred technical scheme of the utility model, the outer wall of the motor is provided with a protective frame, and the outer wall of the protective frame is in threaded connection with the movable frame body.

The utility model has the following beneficial effects:

(1) this kind of direct current stack impulse voltage test device is in the use, need not to carry out dismouting operation repeatedly, only need dismantle just to tear open roof subassembly, control motor afterwards, can be under the series cooperation of each subassembly, make the support slide be vertical ascending motion in removing the framework, drive impulse voltage generator equipment body promptly and move to removing framework top and get into operating condition, a series of complicated operations such as still need on-the-spot equipment among the avoiding prior art, reduce staff's intensity of labour, increase efficiency of software testing, solve the problem that exists among the prior art.

(2) This kind of direct current stack impulse voltage test device is carrying out the transportation in-process, and the roll buffering subassembly that removes framework bottom setting will provide the motion support that removes the framework, moreover, if the transportation road surface is comparatively rugged, support arm in the roll buffering subassembly will carry out a series of cooperations with subassemblies such as hydraulic stem under, not only can give and remove the certain buffering of framework, reduce the injury that impulse voltage generator equipment body caused because of vibrations, still can help removing the better relatively poor road conditions of passing through of framework.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rolling buffer assembly of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

fig. 4 is a perspective view of the movable frame of the present invention.

The reference numbers illustrate:

100. moving the frame body; 110. a control panel; 120. a movable door; 130. a surge voltage generator device body; 200. a rolling buffer assembly; 210. a connecting plate; 220. a support arm; 230. a roller; 240. a hydraulic lever; 250. a compression spring; 300. the roof assembly is convenient to disassemble; 310. connecting a hook; 311. a thread groove; 320. connecting a screw rod; 330. a canopy body; 331. a support bearing; 400. a vertical lift assembly; 410. a motor; 411. a protective frame; 420. a bidirectional lead screw; 430. a nut; 431. a slider; 440. a connecting rod; 450. supporting the sliding plate; 460. a slide rail.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

First embodiment, as shown in fig. 1 to 4, the present invention includes a moving frame 100, rolling buffer assemblies 200 are disposed at the bottom corners of the moving frame 100, and the top end of the moving frame 100 is an open design, the top side of the moving frame 100 is detachably provided with a removable ceiling assembly 300, and a vertical lifting assembly 400 is arranged in the moving frame 100, the vertical lifting assembly 400 comprises a motor 410, an output end of the motor 410 extends to the moving frame 100 and is internally provided with a bidirectional screw 420, and the two sides of the outer wall of the bidirectional screw 420 are both provided with nuts 430, the outer walls of the two groups of nuts 430 are both movably hinged with a connecting rod 440, one end of each of the two groups of connecting rods 440 is hinged with a supporting sliding plate 450, the top end of each supporting sliding plate 450 is provided with an impulse voltage generator device body 130, the inner wall of the moving frame 100 is symmetrically provided with sliding rails 460, and the inner walls of the sliding rails 460 are connected with the supporting sliding plates 450 in a sliding manner;

a control panel 110 is embedded at the front end of the movable frame 100, and a movable door 120 is mounted at an opening of the outer wall of the movable frame 100 through a hinge;

the bottom end of the inner cavity of the movable frame body 100 is provided with a sliding chute, the bottom ends of the two groups of nuts 430 are respectively provided with a sliding block 431, and the outer wall of each sliding block 431 is in sliding connection with the sliding chute;

a protective frame 411 is arranged on the outer wall of the motor 410, and the outer wall of the protective frame 411 is screwed with the movable frame body 100;

the working personnel can firstly utilize the rolling buffer assembly 200 to transport the device body 130 equipped with the impulse voltage generator to an actual use scene, in order to avoid the influence on the device body 130 of the impulse voltage generator caused by severe weather on the way, the top of the movable frame body 100 is also equipped with the detachable roof component 300, the device body 130 of the impulse voltage generator can rotate the bidirectional screw 420 in the movable frame body 100 by controlling the motor 410 in the actual use process, the movement of the bidirectional screw 420 drives the two groups of nuts 430 on the two sides of the outer wall of the bidirectional screw to move relatively, and the support sliding plate 450 is pushed upwards along the sliding rail 460 by the connecting rod 440, so that the device body 130 of the impulse voltage generator moves to the top of the movable frame body 100 and can be normally put into use;

wherein, the bidirectional screw rod 420, also called positive and negative screw rod, is a structure that one end is a left-handed screw and the other end is a right-handed screw, which can realize the motion in the opposite directions at the same time;

the bidirectional screw 420 has a certain stability when the two sets of nuts 430 move relatively, i.e., the support slide 450 is pushed to move.

In the second embodiment, on the basis of the first embodiment, the rolling buffer assembly 200 includes a connecting plate 210, the top end of the connecting plate 210 is screwed with the movable frame 100, two sides of the bottom end of the connecting plate 210 are respectively hinged with a supporting arm 220 and a hydraulic rod 240, one end of the hydraulic rod 240 is hinged with the outer wall of the supporting arm 220, and one end of the supporting arm 220 is provided with a roller 230;

the outer wall of the hydraulic rod 240 is provided with a compression spring 250;

during transportation, if the road conditions are rough, the support arm 220 will have a certain buffering effect under the action of the hydraulic rod 240, so as to help the roller 230 to better pass through rough road surfaces, and also provide a certain buffering effect for the moving frame 100;

the compression spring 250 may further improve the shock-absorbing and buffering effects of the rolling buffer assembly 200 by using its own structural features.

In the third embodiment, on the basis of the first embodiment, the easy-to-detach roof assembly 300 includes a connecting hook 310, a threaded groove 311 is formed at the top end of the connecting hook 310, a connecting screw 320 is detachably disposed in the threaded groove 311, a supporting bearing 331 is disposed at the top end of the connecting screw 320, and a roof body 330 is mounted at the top end of the supporting bearing 331;

in order to prevent the impact voltage generator device body 130 from being affected by the bad weather such as rain and snow during transportation, the removable roof assembly 300 can seal the top of the movable frame 100, and when the roof body 330 needs to be removed, the connecting screw 320 can be rotated, so that the connecting screw 320 is separated from the connecting hook 310 on the basis of being in threaded fit with the threaded groove 311, and the roof body 330 can be removed;

wherein the support bearing 331 may provide support for the connection screw 320 when rotating.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a direct current stack impulse voltage test device, includes removal framework (100), its characterized in that: the portable electric shock absorber is characterized in that rolling buffer assemblies (200) are arranged at corners of the bottom end of the moving frame body (100), the top end of the moving frame body (100) is designed to be open, a roof assembly (300) convenient to disassemble is detachably arranged on the top side of the moving frame body (100), a vertical lifting assembly (400) is arranged in the moving frame body (100), the vertical lifting assembly (400) comprises a motor (410), an output end of the motor (410) extends into the moving frame body (100) to be internally provided with a bidirectional screw rod (420), nuts (430) are arranged on two sides of the outer wall of the bidirectional screw rod (420), the outer walls of the two groups of nuts (430) are movably hinged with connecting rods (440), one ends of the two groups of connecting rods (440) are hinged with supporting sliding plates (450), an impulse voltage generator device body (130) is arranged at the top ends of the supporting sliding plates (450), and sliding rails (460) are symmetrically arranged on the inner wall of the moving frame body (100), and the inner wall of the sliding rail (460) is connected with the supporting sliding plate (450) in a sliding way.

2. The direct current superposition surge voltage test device according to claim 1, characterized in that: the front end of the movable frame body (100) is embedded with a control panel (110), and a movable door (120) is installed at an opening of the outer wall of the movable frame body (100) through a hinge.

3. The direct current superposition surge voltage test device according to claim 2, characterized in that: the rolling buffer assembly (200) comprises a connecting plate (210), the top end of the connecting plate (210) is in threaded connection with the movable frame body (100), two sides of the bottom end of the connecting plate (210) are respectively hinged with a supporting arm (220) and a hydraulic rod (240), one end of the hydraulic rod (240) is hinged with the outer wall of the supporting arm (220), and one end of the supporting arm (220) is provided with a roller (230).

4. The direct current superposition surge voltage test device according to claim 3, characterized in that: and a compression spring (250) is arranged on the outer wall of the hydraulic rod (240).

5. The direct current superposition surge voltage test device according to claim 1, characterized in that: just, tear roof subassembly (300) open and including connecting couple (310), and threaded groove (311) have been seted up on the top of connecting couple (310), can dismantle in threaded groove (311) and be provided with connecting screw (320), and the top of connecting screw (320) is provided with support bearing (331), roof body (330) is installed on the top of support bearing (331).

6. The direct current superposition surge voltage test device according to claim 1, characterized in that: the sliding groove is formed in the bottom end of the inner cavity of the movable frame body (100), the sliding blocks (431) are mounted at the bottom ends of the two groups of nuts (430), and the outer walls of the sliding blocks (431) are connected with the sliding groove in a sliding mode.

7. The direct current superposition surge voltage test device according to claim 1, characterized in that: the outer wall of the motor (410) is provided with a protection frame (411), and the outer wall of the protection frame (411) is in threaded connection with the movable frame body (100).