Contact seat for high-voltage switch with isolation blocking mechanism

Abstract

The utility model discloses a high-voltage switch contact seat with an isolation blocking mechanism. The device comprises a base, a connecting seat and an isolation assembly arranged between the base and the connecting seat, the isolation assembly comprises an inner groove formed in the base, one side of the bottom of the inner groove is detachably connected with a telescopic rod, one end of the telescopic rod is connected with a transverse plate in a matched mode, and one end of the transverse plate is fixedly connected with an embedded block. The telescopic rod works to push the transverse plate with one end detachably connected to move, the embedded block is inserted into the embedded groove formed in the fixed plate, the embedded block is aligned with the second screw hole formed in the surface of the fixed plate through the first screw hole formed in the surface, and the bolt is screwed in the embedded block, so that the fixed plate and the transverse plate are fixed; the transverse plate pushes the fixing plate to move outwards, the fixing plate moves to drive the connecting base to be away from the base, the contact and the connector which are detachably connected to the surface of the fixing plate are separated, and then the contact base for the high-voltage switch is provided with a mechanism capable of conducting rapid isolation and blocking when used.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch equipment, in particular to a contact seat for a high-voltage switch with an isolation and blocking mechanism. Background Art

[0002] Circuit breakers play two roles in the power system: one is the control role, that is, according to the needs of the power system operation, some power equipment or lines are put into or out of operation; the other is the protection role, that is, when a power equipment or line fails, the relay protection device acts on the circuit breaker to quickly cut off the faulty part from the power system to ensure the normal operation of the fault-free part of the power system.

[0003] Patent No. CN202020633098.5 The utility model discloses a contact box for high-voltage switchgear, including a contact box body and a contact box base, the contact box body and the contact box base are connected by threads; the contact box body and the contact box base are both provided with a raised structure for supporting the two sides of the contact box mounting plate on the switchgear; the contact box body and the contact box base are both made of insulating materials; and the contact box body is provided with at least one contact box locating pin. The contact box of the utility model is divided into two parts, namely, a contact box body and a contact box base, which are respectively placed on both sides of the contact box mounting plate, and then the contact box body and the contact box base are connected by threads, so as to realize the combination of the entire contact box and the installation of the contact box itself on the switchgear, avoid the problem of discharge of the high-voltage switchgear conductor to the metal fixing bolt, realize the rapid installation of the contact box, and improve the installation efficiency of the contact box.

[0004] However, there are some problems in the use of existing high-voltage switch contact seats. The high-voltage switch contact seats currently on the market lack a mechanism for rapid isolation and blocking during use, which increases the overall danger. In special circumstances, the handling will not be timely, causing unnecessary losses. Utility Model Content

[0005] The utility model aims to provide a contact seat for a high-voltage switch with an isolation and blocking mechanism to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: comprising a base, a connecting seat and an isolation component arranged between the base and the connecting seat;

[0007] The isolation assembly includes an inner groove opened inside the base, a telescopic rod is detachably connected to one side of the bottom of the inner groove, one end of the telescopic rod is cooperatively connected to a horizontal plate, one end of the horizontal plate is fixedly connected to an insert, one end of the insert is cooperatively connected to the inside of a fixed plate, one end of the fixed plate is detachably connected to a connecting seat, and the connecting seat and the base are separated and isolated by the telescopic rod.

[0008] Preferably, the isolation assembly further comprises a first screw hole opened on the surface of the insert, and the number of the first screw holes is multiple.

[0009] Preferably, an embedding groove is formed at one end of the fixing plate, and an embedding block is fitted and connected inside the embedding groove.

[0010] Preferably, a second screw hole is opened on the surface of the fixing plate, the interior of the second screw hole is communicated with the interior of the embedding groove, and bolts are matched and connected inside the first screw hole and the second screw hole.

[0011] Preferably, an insulating block is connected inside the inner groove.

[0012] Preferably, both ends of the inner groove are provided with slots, both ends of the horizontal plate are provided with protrusions extending, the base surface is detachably connected with a contact, the connection seat surface is detachably connected with a connector, and one end of the connector is fitted and connected inside the contact.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model: when special circumstances require rapid isolation and blocking, the power current output end of the telescopic rod is connected through an external power supply, and the telescopic rod works to push the horizontal plate detachably connected at one end to move, and one end of the horizontal plate is connected to the fixed plate through a fixedly connected insert, and the insert is inserted into an insert groove opened inside the fixed plate, and the insert is aligned with a second screw hole opened on the surface of the fixed plate through a first screw hole opened on the surface of the insert, and bolts are tightened therein to fix the fixed plate and the horizontal plate, so that the horizontal plate pushes the fixed plate to move outward, and the movement of the fixed plate drives the connecting seat and the base to move away, so that the contacts and connectors detachably connected on the surface can be separated, and then the contact seat for the high-voltage switch has a mechanism for rapid isolation and blocking when in use, thereby reducing the overall danger, and timely handling in special circumstances to reduce unnecessary losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the base of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the fixing plate structure of an embodiment of the utility model.

[0018] In the figure: 1, base; 2, contact; 3, connecting seat; 4, joint; 501, inner groove; 502, telescopic rod; 503, horizontal plate; 504, embedded block; 505, first screw hole; 506, embedded groove; 507, fixing plate; 508, second screw hole; 509, bolt; 6, insulating block. DETAILED DESCRIPTION

[0019] In order to facilitate the problem to be solved, the embodiment of the utility model provides a contact seat for a high-voltage switch with an isolation and blocking mechanism. The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figure 1-3 The present embodiment provides a base 1, a connecting seat 3 and an isolation component arranged between the base 1 and the connecting seat 3, the isolation component includes an inner groove 501 opened inside the base 1, a telescopic rod 502 is detachably connected to one side of the bottom of the inner groove 501, one end of the telescopic rod 502 is cooperatively connected to a horizontal plate 503, one end of the horizontal plate 503 is fixedly connected to an embedded block 504, one end of the embedded block 504 is cooperatively connected to the inside of a fixed plate 507, one end of the fixed plate 507 is detachably connected to the connecting seat 3, and the connecting seat 3 and the base 1 are separated and isolated by the telescopic rod 502.

[0022] In this embodiment, the isolation component also includes a first screw hole 505 opened on the surface of the embedding block 504, and the first screw hole 505 is multiple. An embedding groove 506 is opened at one end of the fixing plate 507, and the embedding groove 506 is connected with the embedding block 504. A second screw hole 508 is opened on the surface of the fixing plate 507, and the interior of the second screw hole 508 is communicated with the interior of the embedding groove 506. Bolts 509 are connected with the interior of the first screw hole 505 and the second screw hole 508. An insulating block 6 is connected with the interior of the inner groove 501. Slots are opened at both ends of the inner groove 501. Both ends of the cross plate 503 have protrusions extending. A contact 2 is detachably connected to the surface of the base 1, and a connector 4 is detachably connected to the surface of the connecting seat 3. One end of the connector 4 is connected with the interior of the contact 2. The interior of the inner groove 501 is insulated by the insulating block 6, thereby increasing the protection with the telescopic rod 502 and reducing the influence of external current. The inner groove 501 and the cross plate 503 reduce the occurrence of falling off through the protrusions at both ends, thereby increasing the limiting property.

[0023] When a special situation requires rapid isolation and blocking, the power current output end of the telescopic rod 502 is connected through an external power supply, and the telescopic rod 502 works to push the horizontal plate 503 with a detachable connection at one end to move, and one end of the horizontal plate 503 is connected to the fixed plate 507 through a fixedly connected insert 504, and the insert 504 is inserted into the insert groove 506 opened inside the fixed plate 507, and the insert 504 is aligned with the second screw hole 508 opened on the surface of the fixed plate 507 through the first screw hole 505 opened on the surface, and the bolt 509 is tightened therein to fix the fixed plate 507 and the horizontal plate 503, so that the horizontal plate 503 pushes the fixed plate 507 to move outward, and the movement of the fixed plate 507 drives the connecting seat 3 to move away from the base 1, so that the contacts 2 and the connector 4 detachably connected on the surface can be separated, and then the contact seat 2 for the high-voltage switch has a mechanism for rapid isolation and blocking when in use, thereby reducing the overall danger, and timely handling in special circumstances to reduce unnecessary losses.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A contact holder for a high-voltage switch with an isolation and blocking mechanism, characterized in that: It comprises a base (1), a connecting base (3), and an isolation component arranged between the base (1) and the connecting base (3); The isolation assembly comprises an inner groove (501) opened inside the base (1); a telescopic rod (502) is detachably connected to one side of the bottom of the inner groove (501); one end of the telescopic rod (502) is cooperatively connected to a transverse plate (503); one end of the transverse plate (503) is fixedly connected to an insert (504); one end of the insert (504) is cooperatively connected to the inside of a fixed plate (507); one end of the fixed plate (507) is detachably connected to a connecting seat (3); and the connecting seat (3) and the base (1) are separated and isolated by the telescopic rod (502).

2. A contact holder for a high-voltage switch with an isolation and blocking mechanism according to claim 1, characterized in that: The isolation assembly further comprises a first screw hole (505) opened on the surface of the insert (504), and there are a plurality of the first screw holes (505).

3. A contact holder for a high-voltage switch with an isolation and blocking mechanism according to claim 1, characterized in that: An embedding groove (506) is formed at one end of the fixing plate (507), and an embedding block (504) is connected and matched inside the embedding groove (506).

4. A contact holder for a high-voltage switch with an isolation and blocking mechanism according to claim 2, characterized in that: A second screw hole (508) is provided on the surface of the fixing plate (507), the interior of the second screw hole (508) is communicated with the interior of the embedding groove (506), and bolts (509) are matched and connected to the interior of the first screw hole (505) and the second screw hole (508).

5. A contact holder for a high-voltage switch with an isolation and blocking mechanism according to claim 1, characterized in that: An insulating block (6) is cooperatively connected inside the inner groove (501).

6. A contact holder for a high-voltage switch with an isolation and blocking mechanism according to claim 1, characterized in that: Both ends of the inner groove (501) are provided with grooves, both ends of the horizontal plate (503) are provided with protrusions, the surface of the base (1) is detachably connected to a contact (2), the surface of the connecting seat (3) is detachably connected to a connector (4), and one end of the connector (4) is matingly connected to the inside of the contact (2).

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