CN218569582U

CN218569582U - Secondary cable chamber of high-voltage switch cabinet

Info

Publication number: CN218569582U
Application number: CN202222697989.9U
Authority: CN
Inventors: 韩炳军
Original assignee: Beijing First Switchgear Co ltd
Current assignee: Beijing First Switchgear Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-03
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a high tension switchgear's secondary cable room, including the high tension switchgear casing, the inner wall top of high tension switchgear casing is provided with the circuit breaker: the inner wall top of high tension switchgear casing and the both sides that are located the circuit breaker are provided with secondary cable room, secondary cable room is including being located the box in the high tension switchgear casing, and the opening end outer wall of box is equipped with the spout, and sliding connection has the case lid in the spout, the top of case lid is equipped with the depressed part, and the inner wall swing joint of depressed part has split type wire clamping component. The utility model discloses in, this secondary cable room adopts the switching mode of sliding closure formula, can effectually reduce the occupation space under the secondary cable room state of opening, combines split type and slidable wire clamping component simultaneously, can play centre gripping fixed action to the secondary cable for the case lid can not cause extra tractive influence to the secondary cable when the switching operation, and then is convenient for follow-up maintenance operation to the secondary cable.

Description

Secondary cable chamber of high-voltage switch cabinet

Technical Field

The utility model relates to a secondary cable room technical field especially relates to a high tension switchgear's secondary cable room.

Background

The secondary cable refers to cables for control, signal transmission and feedback, such as a motor operating column control cable, a metering cable, a protection cable and an electrical communication cable, and belongs to the secondary cable.

Chinese patent publication No.: CN213692774U discloses "a secondary cable room of high tension switchgear", including the curb plate of cubical switchboard to and be located the hem of curb plate front end, wherein be equipped with the baffle on the curb plate, the baffle is perpendicular with the curb plate, be equipped with the draw-in groove in the front end of baffle, be connected through the guard plate between hem and the baffle, the end of guard plate inserts in the draw-in groove, the front end of guard plate passes through the bolt and is connected with the hem.

Foretell secondary cable room when maintaining the wiring to the secondary cable, need take off the guard plate after dismantling the bolt, additionally increased the dismouting operation burden in secondary cable room to when overhauing the accident often and dragging the secondary cable, can lead to the secondary cable to take place excessive deformation phenomenon even that drops, be unfavorable for the convenient maintenance operation of safety in secondary cable room.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adopt the switching mode of sliding closure formula, reduce switching occupation space, avoid the secondary cable to take place excessive deformation or the secondary cable room of a high tension switchgear that drops phenomenon when the accident is dragged simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a secondary cable room of high tension switchgear, includes the high tension switchgear casing, the inner wall top of high tension switchgear casing is provided with the circuit breaker:

a secondary cable chamber is arranged at the top end of the inner wall of the high-voltage switch cabinet shell and positioned at two sides of the circuit breaker;

the secondary cable chamber comprises a box body positioned in the high-voltage switch cabinet shell, the outer wall of the open end of the box body is provided with a sliding groove, and a box cover is connected in the sliding groove in a sliding manner;

the top of case lid is equipped with the depressed part, and the inner wall swing joint of depressed part has split type wire clamping assembly, and wire clamping assembly has the closed centre gripping secondary cable's clamping position and the separation and unclamp secondary cable's dismouting position on its stroke.

As a further description of the above technical solution:

the wire clamping assembly comprises a lower clamping seat and an upper clamping seat, the lower clamping seat and the upper clamping seat move along a buffer groove formed in the inner wall of the recessed portion, and a lower wire groove and an upper wire groove are formed in the lower clamping seat and the upper clamping seat respectively.

As a further description of the above technical solution:

and insulating layers are arranged on the inner walls of the lower wire groove and the upper wire groove.

As a further description of the above technical solution:

and a locking hole is formed in the upper clamping seat, a locking pin is spirally connected in the locking hole, and the locking pin is matched with a locking groove in the lower clamping seat.

As a further description of the above technical solution:

and a spring is arranged at the bottom end of the inner wall of the buffer groove.

As a further description of the above technical solution:

the bottom horizontal end of case lid is provided with flexible location head, the bottom of box is equipped with the constant head tank with location head looks adaptation.

As a further description of the above technical solution:

the outer wall of the box body is provided with heat dissipation holes.

In the technical scheme, the utility model provides a pair of high tension switchgear's secondary cable room has following beneficial effect:

this secondary cable room adopts the switching mode of sliding closure formula, can effectually reduce the occupation space under the secondary cable room open mode, has effectually avoidd the influence that the circuit breaker position brought to secondary cable room switching operation, combines split type and slidable wire clamping component simultaneously, can play the centre gripping fixed action to the secondary cable for the case lid can not lead to the fact extra tractive influence to the secondary cable when switching operation, and then is convenient for follow-up maintenance operation to the secondary cable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a secondary cable chamber of a high voltage switch cabinet according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a secondary cable chamber according to an embodiment of the present invention;

fig. 3 is a schematic side view of a connection portion between the box body and the box cover according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of a connection portion between the case cover and the wire clamping assembly according to an embodiment of the present invention;

fig. 5 is a schematic partial side view of a box according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a wire clamping assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a high voltage switchgear enclosure; 2. a secondary cable chamber; 21. a box body; 211. heat dissipation holes; 212. a chute; 22. a box cover; 221. a recessed portion; 222. a buffer tank; 223. a spring; 23. a wire clamping assembly; 231. a lower clamping seat; 2311. a wire discharging groove is formed; 2312. a locking groove; 232. an upper clamping seat; 2321. a wire feeding groove is formed; 2322. a locking hole; 2323. a locking pin; 233. an insulating layer; 24. positioning the head; 25. positioning a groove; 3. provided is a circuit breaker.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, a secondary cable chamber of a high voltage switch cabinet comprises a high voltage switch cabinet housing 1, wherein a circuit breaker 3 is arranged on the top end of the inner wall of the high voltage switch cabinet housing 1:

a secondary cable chamber 2 is arranged at the top end of the inner wall of the high-voltage switch cabinet shell 1 and positioned at two sides of the circuit breaker 3;

the secondary cable chamber 2 comprises a box body 21 positioned in the high-voltage switch cabinet shell 1, a sliding groove 212 is formed in the outer wall of the open end of the box body 21, and a box cover 22 is connected in the sliding groove 212 in a sliding mode, so that the box cover 22 can slide in the sliding groove 212, the box cover 22 can perform sliding opening and closing operation on the box body 21, the occupied space of the secondary cable chamber 2 in an opening state is reduced, and the influence of the position of a circuit breaker 3 on the rotation or overturning opening and closing operation of the secondary cable chamber 2 is effectively avoided;

the top of case lid 22 is equipped with depressed part 221, and the inner wall swing joint of depressed part 221 has split type wire clamping component 23, and wire clamping component 23 has the clamping position of closed centre gripping secondary cable and the dismouting position that the separation unclamped the secondary cable on its stroke, the secondary cable that will insert secondary cable room 2 is fixed in wire clamping component 23, can play the fixed effect of centre gripping to the secondary cable, and when case lid 22 opened and closed, wire clamping component 23 can be relative removal in depressed part 221, thereby play compensation processing to the high position of wire clamping component 23, excessive lapse when avoiding case lid 22 to open and excessively descend and draw in step and drag wire clamping component 23 excessively to descend the back, lead to the secondary cable to take place the phenomenon of excessive bending deformation or pine take off, and then be convenient for follow-up maintenance operation to the secondary cable.

The wire clamping assembly 23 comprises a lower clamping seat 231 and an upper clamping seat 232, the lower clamping seat 231 and the upper clamping seat 232 move along a buffer groove 222 formed in the inner wall of the recessed portion 221, a lower wire groove 2311 and an upper wire groove 2321 are respectively formed in the lower clamping seat 231 and the upper clamping seat 232, the lower wire groove 2311 and the upper wire groove 2321 are of semicircular structures, a complete circular wire clamping structure is formed after the lower wire groove 2311 and the upper wire groove 2321 are closed, insulating layers 233 are respectively arranged on the inner walls of the lower wire groove 2311 and the upper wire groove 2321, a locking hole 2322 is formed in the upper clamping seat 232, a locking pin 2323 is spirally connected in the locking hole 2322 and is matched with the locking groove 2312 in the lower clamping seat 231, secondary cables are placed in the lower wire groove 2311 in the lower clamping seat 231 one by one, the upper clamping seat 232 is closed to the lower clamping seat 231, the lower wire groove 2321 and the upper wire groove 2323 and the upper wire groove 2321 form a complete wire clamping structure, the locking pin 2323 is rotated to penetrate through the locking hole 2322 and then enters the locking groove 2312, the clamping seat can be moved to achieve the effect of adjusting the wire clamping assembly, and the effect of pulling the wire clamping seat and the wire clamping assembly can be adjusted when the tension of the lower clamping seat 231 and the wire clamping seat and the box cover can be moved to the clamping seat, and the wire clamping seat, and the wire clamping assembly can be moved in a dynamic tension of the box cover can be moved in a dynamic tension adjusting clamp 222, and a box cover can be adjusted, and the clamping seat 23, and the wire clamping seat can be adjusted, and the wire clamping seat can be moved in the clamping seat 23, and the clamping seat can be adjusted, and the clamping seat and the box cover can be moved in a tension of the clamping seat 222, and the box cover can be adjusted, and the clamping assembly, and the clamping seat can be moved in a tension of the clamping seat.

The inner wall bottom of dashpot 222 is provided with spring 223, when overhauing other cables in the high tension switchgear and accidentally dragging the secondary cable often, the secondary cable can drive double-layered line subassembly 23 and move down in dashpot 222 to extrusion spring 223 makes its deformation, can play buffering absorbing guard action to double-layered line subassembly 23, thereby reduces dragging that the secondary cable received and draws the influence.

The bottom horizontal end of case lid 22 is provided with flexible location head 24, and the bottom of box 21 is equipped with the constant head tank 25 with location head 24 looks adaptation, slides to the top in spout 212 and when protecting box 21 closure when case lid 22, and flexible location head 24 can be embedded into in the constant head tank 25, can play the location connection effect to the position of case lid 22, ensures the whole closed stability of secondary cable room 2.

The outer wall of the box body 21 is provided with a heat radiation hole 211 for performing ventilation and heat radiation effects on the secondary cable chamber 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a high tension switchgear's secondary cable room, includes high tension switchgear casing (1), the inner wall top of high tension switchgear casing (1) is provided with circuit breaker (3), its characterized in that:

a secondary cable chamber (2) is arranged at the top end of the inner wall of the high-voltage switch cabinet shell (1) and positioned at two sides of the circuit breaker (3);

the secondary cable chamber (2) comprises a box body (21) positioned in the high-voltage switch cabinet shell (1), the outer wall of the open end of the box body (21) is provided with a sliding groove (212), and a box cover (22) is connected in the sliding groove (212) in a sliding manner;

the top of case lid (22) is equipped with depressed part (221), and the inner wall swing joint of depressed part (221) has split type wire clamping component (23), and wire clamping component (23) have the closed centre gripping secondary cable's clamping position and the separation and loosen the dismouting position of secondary cable on its stroke.

2. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 1, characterized in that: the wire clamping assembly (23) comprises a lower clamping seat (231) and an upper clamping seat (232), the lower clamping seat (231) and the upper clamping seat (232) move along a buffer groove (222) formed in the inner wall of the concave portion (221), and a lower wire groove (2311) and an upper wire groove (2321) are respectively formed in the lower clamping seat (231) and the upper clamping seat (232).

3. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 2, characterized in that: and the inner walls of the lower line groove (2311) and the upper line groove (2321) are provided with insulating layers (233).

4. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 2, characterized in that: and a locking hole (2322) is formed in the upper clamping seat (232), a locking pin (2323) is spirally connected in the locking hole (2322), and the locking pin (2323) is matched with a locking groove (2312) in the lower clamping seat (231).

5. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 2, characterized in that: and a spring (223) is arranged at the bottom end of the inner wall of the buffer groove (222).

6. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 1, characterized in that: the bottom horizontal end of case lid (22) is provided with flexible location head (24), the bottom of box (21) is equipped with constant head tank (25) with location head (24) looks adaptation.

7. The secondary cable compartment of a high-voltage switchgear cabinet according to claim 1, characterized in that: the outer wall of the box body (21) is provided with heat dissipation holes (211).