CN219957763U - Variable-frequency resonance cable withstand voltage test device - Google Patents

Abstract

The utility model discloses a variable frequency resonance cable withstand voltage test device which comprises a device body, wherein two first fixing plates are fixedly connected above the device body, a rotating shaft is rotatably connected between the two first fixing plates, and a cover plate is fixedly connected on the rotating shaft; the support assembly comprises a guide sleeve, a rack, a first gear, a second fixing plate, a rotating rod, a second gear and a swinging plate, wherein the guide sleeve is fixedly connected to the side wall of the device body, and the rack is connected to the guide sleeve in a sliding manner. According to the utility model, the support assembly is arranged, when the cover plate is opened, the first gear can be driven to rotate through the rotation of the rotating shaft, so that the rack is displaced downwards, and when the rack is displaced downwards, the second gear can be driven to rotate reversely, so that the baffle plate on the swinging plate swings to be level with the cover plate, the support operation of the cover plate is automatically completed, the operation is convenient, and the practicability is higher.

Description

Variable-frequency resonance cable withstand voltage test device

Technical Field

The utility model relates to the technical field of cables, in particular to a variable frequency resonance cable withstand voltage test device.

Background

The variable frequency resonance consists of an isolation transformer, a frequency modulation voltage regulation power supply, an excitation transformer, a reactor and a capacitive voltage divider, and can carry out withstand voltage test on the power frequency of the transformer of the cable.

Through retrieving, the patent document with the publication number of CN212540597U discloses a cable withstand voltage test device, including the test device body, the lateral wall of test device body upside is rotated through two hinges and is connected with the apron, the first pentagon kelly of lateral wall equal fixedly connected with of test device body left and right sides, the equal fixedly connected with second pentagon kelly of lateral wall of apron left and right sides, be located same one side first pentagon kelly and the outer movable sleeve of second pentagon kelly are equipped with same sleeve, the jack has been seted up to the lateral wall of sleeve upside, the jack has been cup jointed in the activity of jack, the jack has all been stretched out at the both ends of pin, the pin groove has been seted up to the lateral wall of second pentagon kelly upside.

The pressure-proof test device can limit and support the cover plate, but the operation process is complicated, the cover plate can not be automatically supported when being opened, and the practicability is not strong.

Disclosure of Invention

The utility model aims to solve the problem that the cover plate cannot be automatically supported while being opened in the prior art, and provides a variable frequency resonance cable withstand voltage test device capable of automatically supporting the cover plate when the cover plate is opened.

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

a variable frequency resonant cable withstand voltage test device, comprising:

the device comprises a device body, wherein two first fixing plates are fixedly connected above the device body, a rotating shaft is rotatably connected between the two first fixing plates, and a cover plate is fixedly connected on the rotating shaft;

the support assembly comprises a guide sleeve, a rack, a first gear, a second fixing plate, a rotating rod, a second gear and a swinging plate, wherein the guide sleeve is fixedly connected to the side wall of the device body, the rack is connected in a sliding manner in the guide sleeve, one side, close to the rack, of the rotating shaft penetrates through and extends out of the first fixing plate, the first gear is in interference fit with the first gear, the first gear is meshed with the upper portion of the rack, the second fixing plate is fixedly connected to the side wall of the device body, the rotating rod is connected to the second fixing plate in a rotating manner, the second gear is in interference fit with one end, close to the rack, of the rotating rod, the second gear is meshed with the lower portion of the rack, and the swinging plate is fixedly connected to the rotating rod.

Preferably, the swing plate is fixedly connected with a baffle plate which is obliquely arranged.

Preferably, the radius of the first gear is slightly smaller than the radius of the second gear.

Preferably, two limiting blocks are arranged in the middle of the rack.

Preferably, an L-shaped support plate is fixedly connected to a side wall of the device body, which is close to the rotating shaft.

Preferably, when the rotating shaft drives the cover plate to rotate 180 degrees, the rotating rod drives the baffle plate on the swinging plate to rotate to be completely attached to the lower wall of the cover plate.

Compared with the prior art, the utility model has the following advantages: according to the utility model, the support assembly is arranged, when the cover plate is opened, the first gear can be driven to rotate through the rotation of the rotating shaft, so that the rack is displaced downwards, and when the rack is displaced downwards, the second gear can be driven to rotate reversely, so that the baffle plate on the swinging plate swings to be level with the cover plate, the support operation of the cover plate is automatically completed, the operation is convenient, and the practicability is higher.

Drawings

FIG. 1 is a schematic diagram of a voltage withstand test device for a variable frequency resonant cable according to the present utility model;

FIG. 2 is a schematic structural diagram of the working state of a variable frequency resonance cable withstand voltage test device according to the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a device body; 11. a first fixing plate; 12. a rotating shaft; 13. a cover plate; 14. an L-shaped support plate; 2. a support assembly; 21. a guide sleeve; 22. a rack; 221. a limiting block; 23. a first gear; 24. a second fixing plate; 25. a rotating rod; 26. a second gear; 27. a swinging plate; 271. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, a variable frequency resonance cable withstand voltage test apparatus includes;

the device comprises a device body 1, wherein two first fixing plates 11 are fixedly connected above the device body 1, a rotating shaft 12 is rotatably connected between the two first fixing plates 11, and a cover plate 13 is fixedly connected on the rotating shaft 12;

wherein, fixedly connected with L shape backup pad 14 on the device body 1 is close to a lateral wall of pivot 12, L shape backup pad 14 can carry out preliminary support to apron 13, improves the supporting effect to the apron.

The support assembly 2, the support assembly 2 includes guide sleeve 21, rack 22, first gear 23, second fixed plate 24, bull stick 25, second gear 26 and wobble plate 27, fixedly connected with guide sleeve 21 on the lateral wall of device body 1, sliding connection has rack 22 in the guide sleeve 21, one side that pivot 12 is close to rack 22 runs through and extends to outside the first fixed plate 11, and interference fit has first gear 23, first gear 23 and the top intermeshing of rack 22, fixedly connected with second fixed plate 24 on the lateral wall of device body 1, the last rotation of second fixed plate 24 is connected with bull stick 25, the one end interference fit that bull stick 25 is close to rack 22 has second gear 26, second gear 26 and the below intermeshing of rack 22, fixedly connected with wobble plate 27 on the bull stick 25.

During actual use, the cover plate 13 is opened, at this time, the rotating shaft 12 rotates to drive the first gear 23 to rotate, so that the rack 22 is displaced downwards, and the second gear 26 can be driven to rotate reversely while the rack 22 is displaced downwards, so that the swinging plate 27 swings reversely.

Wherein, fixedly connected with baffle 271 that the slope set up on the swing board 27, the radius of first gear 23 is slightly less than the radius of second gear 26 to make pivot 12 when driving apron 13 rotation 180, bull stick 25 drive swing board 27 pivoted angle be less than 180, make baffle 271 on the swing board 27 can just rotate to the lower wall of laminating completely with apron 13, and then accomplish the support operation to apron 13 voluntarily, the practicality is higher.

In addition, two limiting blocks 221 are provided in the middle of the rack 22, which can limit the rack 22 and prevent the rack 22 from sliding out of the guide sleeve 21.

The utility model can explain its functional principle by the following modes of operation:

when carrying out withstand voltage test to the cable, open apron 13, in the in-process of opening, pivot 12 rotates, drive rack 22 downward displacement through first gear 23, and then drive second gear 26 and carry out reverse rotation, make bull stick 25 drive swinging plate 27 and carry out reverse swing, when apron 13 rotates 180, apron 13 is in L shape backup pad 14, baffle 271 on the swinging plate 27 just rotates to the lower wall level with apron 13 simultaneously, thereby laminate in the below of apron 13 completely, accomplish the butt support to apron 13 voluntarily, the simple operation is higher, the practicality is higher, after the test is accomplished, only need rotate the apron 13 back to the top of device body 1, can make swinging plate 27 swing back to initial position, the perpendicular to ground, practice thrift the space.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a frequency conversion resonance cable withstand voltage test device which characterized in that includes:

the device comprises a device body (1), wherein two first fixing plates (11) are fixedly connected above the device body (1), a rotating shaft (12) is rotatably connected between the two first fixing plates (11), and a cover plate (13) is fixedly connected on the rotating shaft (12);

supporting component (2), supporting component (2) include guide sleeve (21), rack (22), first gear (23), second fixed plate (24), bull stick (25), second gear (26) and swing board (27), fixedly connected with guide sleeve (21) on the lateral wall of device body (1), sliding connection has rack (22) in guide sleeve (21), one side that pivot (12) is close to rack (22) runs through and extends to outside first fixed plate (11), and interference fit has first gear (23), the top intermeshing of first gear (23) and rack (22), fixedly connected with second fixed plate (24) on the lateral wall of device body (1), rotation is connected with bull stick (25) on second fixed plate (24), the one end interference fit that bull stick (25) is close to rack (22) has second gear (26), the below intermeshing of second gear (26) and rack (22), fixedly connected with swing board (27) on bull stick (25).

2. The variable frequency resonant cable withstand voltage test device of claim 1, wherein:

and a baffle plate (271) which is obliquely arranged is fixedly connected to the swinging plate (27).

3. The variable frequency resonant cable withstand voltage test device of claim 1, wherein:

the radius of the first gear (23) is slightly smaller than the radius of the second gear (26).

4. The variable frequency resonant cable withstand voltage test device of claim 1, wherein:

two limiting blocks (221) are arranged in the middle of the rack (22).

5. The variable frequency resonant cable withstand voltage test device of claim 1, wherein:

an L-shaped supporting plate (14) is fixedly connected to one side wall, close to the rotating shaft (12), of the device body (1).

6. The variable frequency resonant cable withstand voltage test device of claim 2, wherein:

when the rotating shaft (12) drives the cover plate (13) to rotate 180 degrees, the rotating rod (25) drives the baffle plate (271) on the swinging plate (27) to rotate to be completely attached to the lower wall of the cover plate (13).