CN217404337U

CN217404337U - Bus duct lightning impulse withstand voltage test device

Info

Publication number: CN217404337U
Application number: CN202220120289.0U
Authority: CN
Inventors: 张旭东
Original assignee: Sichen Luoyang Electric Technology Co ltd
Current assignee: Sichen Luoyang Electric Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-09-09
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to an electrical detection's technical field, specifically a bus duct lightning impulse withstand voltage test device, including generating device and connecting box, form the connection chamber in the connecting box, the intracavity can be connected and install a plurality of connecting plate with sliding, the spout has been seted up to connection chamber bottom, can be connected with a plurality of sliders in the spout with sliding, slider and connecting plate one-to-one fixed connection, it dials the groove to connect the chamber top, dial the groove and upwards run through connection chamber top, can be connected with a plurality of shifting blocks in the spout with sliding, shifting block and connecting plate one-to-one fixed connection, a terminal of one end fixedly connected with of connecting plate, still include the connector, the connector is the bus duct connector, generating device electricity connects in the terminal. The bus duct that awaits measuring is connected through can sliding ground connecting plate and connector to this application, has increased the joint strength between bus duct and the connecting box that awaits measuring, and the interval between the connecting plate board of connection that slides can adapt to the bus duct of more size differences.

Description

Bus duct lightning impulse withstand voltage test device

Technical Field

The application relates to the technical field of electrical tests, in particular to a bus duct lightning impulse withstand voltage test device.

Background

The bus duct is a closed metal device composed of copper and aluminum bus posts and used for distributing large power for each element of the dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects. Before the bus duct is put into use, the lightning impulse withstand voltage test device can be used for carrying out lightning impulse withstand voltage test according to the regulations, the lightning impulse withstand voltage test device comprises a generating device, the generating device is connected with the bus duct for testing, and the existing device is clamped directly through an alligator clip in many ways during connection, so that danger is easily caused by disconnection.

Disclosure of Invention

The utility model aims at providing a bus duct lightning impulse withstand voltage test device that can connect portably safely to the not enough that prior art exists.

The above application purpose of the present application is achieved by the following technical solutions:

the utility model provides a bus duct lightning impulse withstand voltage test device, includes:

a generating device;

the connecting box is in a box shape with two open ends, and a connecting cavity is formed in the connecting box;

the connecting plates are arranged in the connecting cavity in a sliding manner, the connecting plates are arranged in parallel, two ends of each connecting plate are respectively close to openings at two ends of the connecting cavity, and the maximum plane of each connecting plate is parallel to the side surface of the connecting cavity;

the sliding groove is formed in the bottom of the connecting cavity, a plurality of sliding blocks are connected in the sliding groove in a sliding manner, the sliding blocks and the connecting plate are fixedly connected in a one-to-one correspondence manner, and the sliding groove is perpendicular to the maximum plane of the connecting plate;

the shifting groove is parallel to the sliding groove and is formed in the top of the connecting cavity, the shifting groove upwards penetrates through the top of the connecting cavity, a plurality of shifting blocks are connected in the sliding groove in a sliding manner, and the shifting blocks are fixedly connected with the connecting plates in a one-to-one correspondence manner;

one end of each of the connecting plates is fixedly connected with one wiring terminal;

the connector is a bus duct connector;

the connecting plate comprises a guide plate made of conductive materials, an insulating layer is wrapped on the guide plate, a connecting portion is formed at one end, far away from the binding post, of the guide plate without the insulating layer, and the generating device is electrically connected with the binding post.

Optionally, the connection box includes a placing portion and a movable plate, the movable plate is one of the sidewalls of the connection box, the movable plate is detachably connected to the placing portion, and the shifting groove and the sliding groove penetrate through the connection box along a direction in which the movable plate is located.

Optionally, the upper side and the lower side of the connecting box are close to one side of the movable plate, dovetail grooves are formed in the side of the movable plate, dovetail blocks are arranged at corresponding positions of the movable plate, and the movable plate is connected with the dovetail grooves in an inserting mode through the dovetail blocks.

Optionally, the junction box still includes two tail strips, two tail strips include two fixed connection the dovetail block, two bottom surface coincidence fixed connection on the dovetail block.

Optionally, one end of the connecting box, which is close to the binding post, is connected with a sealing cover through a bolt, a rectangular hole is formed in the sealing cover, and the binding post penetrates through the rectangular hole and extends out.

Optionally, the terminal includes the screw thread section, the screw thread section weld in the connecting plate, the terminal is kept away from the one end fixed connection of connecting plate has the polished rod section, polished rod section diameter is less than the screw thread section, screw thread section threaded connection has one end confined tubulose terminal cap, the through-hole has been seted up to terminal cap confined one end, the through-hole diameter is less than polished rod section diameter.

Optionally, the wiring cap is nested with a plastic layer outside.

Optionally, the insulating layer is a ceramic layer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connector is connected with the bus duct to be tested, so that the connection strength between the bus duct to be tested and the connection box is increased, and the distance between the connection plates can adapt to more bus ducts with different sizes by the slidable connection plates;

2. the movable plate is conveniently detached from the placing part by inserting the dovetail groove and the dovetail block, and meanwhile, the distance between the connecting plates is conveniently expanded by connecting the two connecting boxes through the double-tail strip, so that the movable plate can adapt to more bus ducts with different sizes;

3. thereby connect generating device through terminal connection wire, through the through-hole winding that passes wiring cap one end with the wire at the polished rod section to screw through the wiring cap, wiring cap confined one end compresses tightly the wire at the polished rod section, simplifies the mode of working a telephone switchboard, reduces the wire off-going possibility simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a chute portion of an embodiment of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a connecting portion according to an embodiment of the present application;

fig. 5 is a schematic view showing the structure of the post portion of the embodiment of the present application.

Reference numerals: 1. a generating device;

2. a connection box; 20. a connecting cavity; 201. a placement section; 202. a movable plate; 203. double-tail strips; 204. sealing the cover; 21. a chute; 22. a slider;

3. a connecting plate; 301. a guide plate; 302. an insulating layer; 303. a connecting portion; 31. a binding post; 311. a threaded section; 312. a polished rod segment; 313. a wiring cap; 32. groove shifting; 33. shifting blocks; 34. a connector is provided.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In order to understand the technical scheme shown in the embodiment of the application more clearly, firstly, the working principle of the existing bus duct lightning impulse withstand voltage test device is introduced.

The lightning impulse withstand voltage test device comprises a generating device, and the generating device is connected with a channel bus duct for testing, so that the existing device can pass through more when being connected.

From the perspective of the user, the alligator clip directly clamps and is easy to disengage, so that danger is caused.

Referring to fig. 1-5, a bus duct lightning impulse withstand voltage test device disclosed in the embodiment of the present application includes a generating device 1 and a connecting box 2, the connecting box 2 is a box body with two open ends, a connecting cavity 20 is formed in the connecting box 2, a plurality of connecting plates 3 are slidably mounted in the connecting cavity 20, the plurality of connecting plates 3 are arranged in parallel, two ends of the connecting plates 3 are respectively close to the two open ends of the connecting cavity 20, the largest plane of the connecting plates 3 is parallel to the side surface of the connecting cavity 20, a sliding slot 21 is formed at the bottom of the connecting cavity 20, a plurality of sliding blocks 22 are slidably connected in the sliding slot 21, the sliding slots 22 and the connecting plates 3 are fixedly connected in a one-to-one correspondence manner, the sliding slot 21 is perpendicular to the largest plane of the connecting plates 3, a shifting slot 32 is formed at the top of the connecting cavity 20, the shifting slot 32 is parallel to the sliding slot 21, the shifting slot 32 upwardly penetrates through the top of the connecting cavity 20, a plurality of shifting blocks 33 are slidably connected in the sliding slot 21, shifting block 33 and connecting plate 3 one-to-one fixed connection, terminal 31 of the equal fixedly connected with in one end of a plurality of connecting plates 3 still includes connector 34, connector 34 is the bus duct connector, connecting plate 3 includes conducting material's baffle 301, the insulating layer 302 has been wrapped up in to baffle 301, the one end that the terminal 31 was kept away from to baffle 301 does not have insulating layer 302 and forms connecting portion 303, generating device 1 electricity is connected in terminal 31.

Specifically, the generating device 1 is connected to a terminal 31 on the connecting box 2 through a wire, the terminal 31 is connected to the connecting plate 3, and the connecting plate 3 is connected to the bus duct to be tested through a connector 34.

Like this, connect the bus duct that awaits measuring through connector 34, increased the joint strength between bus duct that awaits measuring and the connecting box 2, through can the ground connecting plate 3 that slides, make the interval between 3 boards of a plurality of connecting plates can adapt to more bus ducts of different sizes.

In some feasible modes, the generating device 1 is an existing lightning impulse withstand voltage test device, the connecting box 2 is a rectangular box body with two open ends, the connecting plate 3 is a rectangular long plate, the bottom of the connecting cavity 20 is provided with two sliding grooves 21, the two sliding grooves 21 are arranged in parallel, each sliding groove 21 is a T-shaped groove, a sliding block 22 is connected in each T-shaped groove in a sliding manner, each sliding block 22 is a T-shaped block, the upper end face of each T-shaped block is fixedly connected with the corresponding connecting plate 3, the maximum plane of each connecting plate 3 is parallel to the side face of the corresponding connecting cavity 20, and the maximum plane of each connecting plate 3 is the plate face of the corresponding rectangular long plate-shaped connecting plate 3. The shifting groove 32 is a rectangular groove, the shifting block 33 is a plate-shaped shifting piece which upwards penetrates out of the shifting groove 32, the terminal 31 is fixedly connected to the guide plate 301, the terminal 31 is electrically connected with the generating device 1 through a lead, and the connector 34 is a common bus duct connector.

Further description is provided below with respect to specific usage scenarios.

During the use, with terminal 31 and the corresponding generating device 1 on the position of working a telephone switchboard intercommunication, through stirring shifting block 33 adjustment connecting plate 3's interval to be connected connecting plate 3 and the bus duct that awaits measuring through connector 34, connect the bus duct that awaits measuring through connector 34, increased the joint strength between bus duct that awaits measuring and junction box 2, through connecting plate 3 with can sliding, make the interval between 3 boards of a plurality of connecting plates can adapt to the bus duct that more sizes are different.

Referring to fig. 1 and 4, as an embodiment of the bus duct lightning impulse withstand voltage testing apparatus provided by the application, the connection box 2 includes a placing portion 201 and a movable plate 202, the movable plate 202 is one of side walls of the connection box 2, the movable plate 202 is detachably connected to the placing portion 201, and the shifting slot 32 and the sliding slot 21 penetrate through the connection box 2 along the direction of the movable plate 202.

Overall, through detachable movable plate 202, be convenient for expand installation or dismantle connecting plate 3 to make connecting box 2 more adapt to the bus duct test of different circuit quantity.

Further, dovetail grooves are formed in one sides, close to the movable plate 202, of the upper side face and the lower side face of the connecting box 2, dovetail blocks are arranged at corresponding positions of the movable plate 202, and the movable plate 202 is connected with the dovetail grooves in an inserting mode through the dovetail blocks.

It should be understood that the movable plate 202 is conveniently detached from the placing portion 201 by inserting the movable plate 202 into the dovetail groove and the dovetail block.

Further, the connection box 2 further comprises a double-tail strip 203, the double-tail strip 203 comprises two dovetail blocks fixedly connected, and the upper bottom surfaces of the two dovetail blocks are overlapped and fixedly connected.

It should be understood that two connecting boxes 2 are connected through the double-tail strip 203, so that the distance between the connecting plates 3 is conveniently expanded, and the connecting boxes can be suitable for more bus ducts with different sizes.

In some feasible ways, one side of the rectangular box-shaped connection box 2 is a detachable movable plate 202, and the other part is a placing part 201. The dovetail block is in a trapezoid shape, and the upper bottom surface of the dovetail block is a surface where the upper bottom of the trapezoid cross section of the dovetail block is located.

Referring to fig. 1 and 5, as another embodiment of the bus duct lightning impulse withstand voltage test device provided by the application, a cover 204 is bolted to one end of the connection box 2 close to the terminal 31, a rectangular hole is formed in the cover 204, and the terminal 31 penetrates through the rectangular hole and extends out.

In combination with the specific use scenario, the cover 204 encapsulates the connection board 3, reducing the possibility of electric shock during operation.

Further, the terminal 31 includes a threaded section 311, the threaded section 311 is welded to the connecting plate 3, one end of the terminal 31 far away from the connecting plate 3 is fixedly connected with a polished rod section 312, the diameter of the polished rod section 312 is smaller than the threaded section 311, the threaded section 311 is in threaded connection with a tubular terminal cap 313 with a closed end, a through hole is formed in the closed end of the terminal cap 313, and the diameter of the through hole is smaller than the diameter of the polished rod section 312.

It will be appreciated that the connection of the generating device 1 by connecting the conductor by the binding post 31 is simplified by wrapping the conductor around the polished rod section 312 through a through hole in one end of the terminal cap 313 and tightening it by the terminal cap 313, the closed end of the terminal cap 313 compressing the conductor against the polished rod section 312, while reducing the likelihood of the conductor coming loose.

Further, to reduce the possibility of electrical shock to personnel, the outside of the terminal cap 313 is nested with a plastic layer.

As a specific implementation manner of the bus duct lightning impulse withstand voltage test device provided by the application, the insulating layer 302 is a ceramic layer.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bus duct lightning impulse withstand voltage test device which characterized in that includes:

a generating device (1);

the connecting box (2) is in a box shape with two open ends, and a connecting cavity (20) is formed in the connecting box (2);

the connecting plates (3) are arranged, the connecting plates (3) are slidably mounted in the connecting cavity (20), the connecting plates (3) are arranged in parallel, two ends of each connecting plate (3) are respectively close to openings at two ends of the connecting cavity (20), and the maximum plane of each connecting plate (3) is parallel to the side face of the connecting cavity (20);

the sliding groove (21) is formed in the bottom of the connecting cavity (20), a plurality of sliding blocks (22) are connected in the sliding groove (21) in a sliding manner, the sliding blocks (22) are fixedly connected with the connecting plate (3) in a one-to-one correspondence manner, and the sliding groove (21) is perpendicular to the maximum plane of the connecting plate (3);

the shifting groove (32) is parallel to the sliding groove (21) and is formed in the top of the connecting cavity (20), the shifting groove (32) upwards penetrates through the top of the connecting cavity (20), a plurality of shifting blocks (33) are connected in the sliding groove (21) in a sliding manner, and the shifting blocks (33) are fixedly connected with the connecting plates (3) in a one-to-one correspondence manner;

the binding posts (31) are fixedly connected to one end of each of the connecting plates (3);

a connector (34), the connector (34) being a busway connector;

the connecting plate (3) comprises a guide plate (301) made of conductive materials, an insulating layer (302) is coated on the guide plate (301), a connecting portion (303) is formed at one end, away from the binding post (31), of the guide plate (301) without the insulating layer (302), and the generating device (1) is electrically connected to the binding post (31).

2. The bus duct lightning impulse withstand voltage test device of claim 1, characterized in that: the connecting box (2) comprises a placing part (201) and a movable plate (202), the movable plate (202) is one side wall of the connecting box (2), the movable plate (202) is detachably connected to the placing part (201), and the poking groove (32) and the sliding groove (21) penetrate through the connecting box (2) along the direction of the movable plate (202).

3. The bus duct lightning impulse withstand voltage test device of claim 2, characterized in that: the lateral surface and the downside of going up of connecting box (2) are close to fly leaf (202) one side has all seted up the dovetail, fly leaf (202) relevant position is provided with the dovetail block, fly leaf (202) pass through the dovetail block peg graft in the dovetail.

4. The bus duct lightning impulse withstand voltage test device of claim 3, characterized in that: the connecting box (2) further comprises a double-tail strip (203), the double-tail strip (203) comprises two dovetail blocks fixedly connected, and the two dovetail blocks are fixedly connected with the bottom surfaces overlapped.

5. The bus duct lightning impulse withstand voltage test device of claim 1, characterized in that: one end of the connecting box (2) close to the wiring terminal (31) is connected with a sealing cover (204) through a bolt, a rectangular hole is formed in the sealing cover (204), and the wiring terminal (31) penetrates through the rectangular hole to extend out.

6. The bus duct lightning impulse withstand voltage test device of claim 5, characterized in that: the binding post (31) includes screw thread section (311), screw thread section (311) weld in connecting plate (3), keep away from binding post (31) the one end fixed connection of connecting plate (3) has polished rod section (312), polished rod section (312) diameter is less than screw thread section (311), screw thread section (311) threaded connection has one end confined tubulose terminal cap (313), the through-hole has been seted up to terminal cap (313) confined one end, the through-hole diameter is less than light rod section (312) diameter.

7. The bus duct lightning impulse withstand voltage test device of claim 6, characterized in that: the outside of the wiring cap (313) is nested with a plastic layer.

8. A bus duct lightning impulse withstand voltage test device of any one of claims 1-7, characterized in that: the insulating layer (302) is a ceramic layer.