CN218676918U

CN218676918U - Earthing switch interlocking device

Info

Publication number: CN218676918U
Application number: CN202320303252.6U
Authority: CN
Inventors: 李小玉
Original assignee: Guangzhou Senhong Information Technology Co ltd
Current assignee: Guangzhou Senhong Information Technology Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-03-21
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to an earthing switch technical field, concretely relates to earthing switch interlocking device, including multiunit earthing switch main part and rather than fixed connection's base, one side fixed mounting of base has the horizontal pole, still includes locking mechanical system, the locking frame of through-hole is seted up including the surface, the spacing groove of loop configuration is seted up to the inner wall of through-hole, the inside of locking frame is inserted and is equipped with the hollow shaft, and the inside of hollow shaft is provided with directional rotating member, the ring channel has been seted up on the surface of hollow shaft, the ring channel intercommunication has multiunit equidistant strip groove of seting up on the hollow shaft surface, the inner wall sliding fit of ring channel has both ends to be the round bar of spherical structure. The utility model discloses a cooperation between each part is used for earthing switch can obtain the secondary support when closing a floodgate, makes it be in stable combined floodgate state, ensures circuit maintainer's personal safety.

Description

Earthing switch interlocking device

Technical Field

The utility model relates to an earthing switch technical field, concretely relates to earthing switch interlocking device.

Background

The grounding switch is usually a part of an isolating switch, and refers to a mechanical grounding device which releases static electricity of equipment and a loop to be overhauled and ensures personal safety of maintainers during power failure overhaul. It can withstand a certain time of current in abnormal situations (such as short-circuits) but does not pass load current in normal situations.

Earthing switch generally is used in the middle of the circuit maintenance process, when the circuit breaker circuit need overhaul promptly, and the circuit breaker is in the separating brake position, and both sides isolator all opens, is in the separating brake state. And the grounding switch is switched on for normal working grounding so as to ensure the safety of equipment and maintainers. However, when the grounding switch is switched on, the mechanism supporting the grounding switch is worn due to long-term use, so that after the grounding switch is switched on, the grounding switch starts to be gradually changed from a switching-on state to a switching-off state due to the worn supporting mechanism, and the maintenance personnel are easily injured.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides an earthing switch interlocking device can effectively solve among the prior art earthing switch's supporting mechanism and receive wearing and tearing for a long time, can not keep earthing switch to be in the state of closing a floodgate steadily, causes the problem of injury to the maintainer easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an earthing switch interlocking device, including multiunit earthing switch main part and rather than fixed connection's base, one side fixed mounting of base has the horizontal pole, and with base swing joint's driven lever, the surface joint of driven lever has the multiunit drive plate, still includes: locking mechanical system, including the locking frame of seting up the through-hole on the surface, the spacing groove of loop configuration is seted up to the inner wall of through-hole, and the spacing groove intercommunication has the multiunit chute, and all is provided with the draw-in groove between per two sets of chutes, the inside of locking frame is inserted and is equipped with the hollow shaft, and the inside of hollow shaft is provided with directional rotating member, the ring channel has been seted up on the surface of hollow shaft, the ring channel intercommunication has the multiunit equidistant strip groove of seting up on the hollow shaft surface, the inside in strip groove be provided with rather than inner wall sliding fit's push pedal, and the push pedal passes through the spring fixed with the inner wall connection in strip groove, the inner wall sliding fit of ring channel has both ends to be the round bar of spherical structure.

Furthermore, the surface of the driving plate penetrates through a sliding groove with an arc-shaped structure, and the inner wall of the sliding groove is provided with a movable groove.

Furthermore, locking frame one end is L type structure, and the other end is the arc structure, the notch has been seted up on the minor face surface of locking frame, and the notch contacts with the surface of horizontal pole.

Furthermore, the directional rotating part comprises an I-shaped supporting rod inserted in the hollow shaft, symmetrical guide grooves are formed in opposite surfaces of the supporting rod, guide rods are in sliding fit in the guide grooves, and the guide rods are fixedly connected with the end portion of the hollow shaft.

Furthermore, the bracing piece is connected with the inner wall joint of hollow shaft through the torsional spring that its surface cover was established.

Furthermore, the clamping groove is formed by connecting a group of arc-shaped surfaces connected with the limiting groove and a vertical surface vertical to the limiting groove.

The utility model provides a technical scheme compares with known public technique, has following beneficial effect:

the utility model discloses a set up locking mechanical system, and then when earthing switch closes a floodgate, can be through the horizontal pole with base fixed connection in the inside slip of spout, and extrude the locking frame, make the locking frame deflect and drive the torsional spring and take place deformation to the inside of activity groove, when the horizontal pole slides the bottom of spout, the locking frame can bounce and can lock the horizontal pole, make drive plate and base form an organic whole, the realization carries out the secondary support to earthing switch under the closing state, personal safety to the maintainer protects.

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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic sectional view of the driving plate of the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention;

fig. 5 is a schematic diagram showing the separation of the locking mechanism structure of the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5 according to the present invention;

fig. 7 is a schematic diagram of the stationary structure change of the locking frame and the cross bar relative to the driving plate during the switching on and off processes of the grounding switch.

The reference numerals in the drawings denote: 1. a grounding switch main body; 2. a base; 201. a cross bar; 3. a driven lever; 4. a drive plate; 401. a chute; 402. a movable groove; 5. a locking mechanism; 501. a locking frame; 502. a limiting groove; 503. a chute; 5031. a card slot; 504. a hollow shaft; 5041. a support bar; 5042. a torsion spring; 5043. a guide groove; 5044. a guide bar; 505. an annular groove; 506. a strip-shaped groove; 507. pushing the plate; 5071. a spring; 508. a round bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): the utility model provides an earthing switch interlocking device, refers to fig. 1-7, includes multiunit earthing switch main part 1 and rather than fixed connection's base 2, and one side fixed mounting of base 2 has horizontal pole 201, and through setting up horizontal pole 201, and then can be with earthing switch when the combined floodgate state, will play the supporting mechanism that supports the combined floodgate effect and be connected with base 2, makes it form an organic whole, realizes the secondary and supports, increases the security.

The base 2 is movably connected with a driven rod 3, a plurality of groups of driving plates 4 are clamped on the outer surface of the driven rod 3, and the driven rod 3 and the driving plates 4 are arranged, so that the switching-on and switching-off of the grounding switch can be realized by synchronous external actions;

the surface of the driving plate 4 is penetrated with a sliding chute 401 with an arc structure, and the sliding chute 401 is in sliding fit with the cross rod 201 to play a role in guiding and limiting; the inner wall of the sliding chute 401 is provided with a movable groove 402, and by arranging the movable groove 402, partial parts can deflect and move in the movable groove.

Referring to fig. 2 to 6, by providing the locking mechanism 5 and disposing the locking mechanism inside the movable groove 402, when the ground switch is switched on, secondary support can be achieved, and the problem that the ground switch cannot be stably switched on due to abrasion of the existing supporting mechanism caused by long-term use is avoided.

This locking mechanical system 5 is including the locking frame 501 that the through-hole was seted up on the surface, locking frame 501 is L type structure, and the other end is the arc structure, the notch has been seted up on the minor face surface of locking frame 501, and the notch contacts with the surface of horizontal pole 201, through the locking frame 501 that sets up L type structure and set up the notch at its minor face, and then can support the locking to horizontal pole 201, realize the purpose that the secondary supported, the other end sets up to the arc structure simultaneously, be convenient for horizontal pole 201 extrudees it and moves.

The inner wall of the through hole is provided with a limit groove 502 with an annular structure, and the limit groove 502 is arranged to play a role in guiding and limiting; the limiting groove 502 is communicated with a plurality of groups of inclined grooves 503, and the inclined grooves 503 are formed, so that the parts can be driven to move through the inclined inner walls of the inclined grooves.

Meanwhile, a clamping groove 5031 is arranged between each two groups of inclined grooves 503, the clamping groove 5031 is formed by connecting a group of arc-shaped surfaces connected with the limiting groove 502 and a vertical surface perpendicular to the limiting groove 502, and the clamping groove 5031 is arranged to limit the component so that the component can move only in one direction.

A hollow shaft 504 is inserted into the locking frame 501, and the position of the locking frame 501 can be limited by arranging the hollow shaft 504, and meanwhile, the locking frame 501 can rotate conveniently;

referring to fig. 5, the hollow shaft 504 is provided with a directional rotation member inside, and by providing the directional rotation member, the purpose of resetting after the locking frame 501 is limited to rotate in the movable slot 402 can be achieved.

The directional rotating member includes an i-shaped support rod 5041 inserted into the hollow shaft 504, and the support rod 5041 is fixedly connected to the drive plate 4, so as to support and position the hollow shaft 504 and the locking bracket 501.

The support rod 5041 is connected with the inner wall of the hollow shaft 504 in a clamping manner through a torsion spring 5042 sleeved on the surface of the support rod, and the deflected locking frame 501 is driven to reset through the counterforce generated by the deformation of the support rod 5042; the opposite surface of the support bar 5041 is provided with symmetrical guide grooves 5043, and the guide grooves 5043 are arranged to play a role in guiding and limiting, so that the hollow shaft 504 can only rotate anticlockwise; the guide bar 5044 is slidably fitted into the guide groove 5043, and the guide bar 5044 is connected to and fixed to an end of the hollow shaft 504, and the guide bar 5044 is provided so as to be slidably fitted into the guide groove 5043, whereby the hollow shaft 504 can move along the trajectory of the guide groove 5043.

Referring to fig. 5, the surface of the hollow shaft 504 is provided with an annular groove 505, the annular groove 505 is communicated with a plurality of groups of strip-shaped grooves 506 which are equidistantly arranged on the surface of the hollow shaft 504, the strip-shaped grooves 506 are internally provided with push plates 507 which are in sliding fit with the inner walls of the strip-shaped grooves, the push plates 507 are fixedly connected with the inner walls of the strip-shaped grooves 506 through springs 5071, and the push plates 507 are arranged to be capable of being mutually matched with springs 5071 to push parts to move;

the inner wall of the annular groove 505 is slidably fitted with a round rod 508 having two spherical ends, and by providing the round rod 508, the locking frame 501 and the hollow shaft 504 can be connected to be used in cooperation with each other, so as to achieve the supporting purpose.

Specifically, when a circuit of the circuit breaker is overhauled, the driven rod 3 drives the driving plate 4 to rotate clockwise in the switching-on process of the circuit breaker switching-off grounding switch, the cross rod 201 fixedly connected with the base 2 starts to slide along the sliding groove 401 in the rotating process of the driving plate 4, and starts to contact and extrude the locking frame 501 in the sliding process, so that the short edge of the locking frame 501 starts to deflect towards the inside of the movable groove 402;

when the locking frame 501 begins to deflect towards the inside of the movable slot 402, the vertical surface of the clamping slot 5031 starts to drive the round rod 508 to synchronously move, and the lower end of the round rod 508 is located inside the strip-shaped slot 506, so that the hollow shaft 504 is driven to synchronously rotate, the guide rod 5044 slides along the guide slot 5043 and drives the torsion spring 5042 to start deforming, when the grounding switch is closed, the cross rod 201 slides to the lowest position of the sliding slot 401 and is separated from the locking frame 501, at the moment, the deformed torsion spring 5042 drives the hollow shaft 504 and the locking frame 501 to start to reset, so that the inner arc surface of the short edge of the locking frame 501 starts to contact with the cross rod 201 and lock the cross rod, so that a whole is formed between the driving plate 4 and the base 2, the grounding switch can be in a stable closing state, and personal safety of line maintenance personnel is ensured;

after the overhaul is completed, when the grounding switch needs to be opened, the driven rod 3 is driven by external action to rotate counterclockwise once and reset, at this time, the locking frame 501 is matched with the starting cross rod 201 and starts to rotate clockwise in the process that the driven rod 3 rotates counterclockwise, in the rotating process, the round rod 508 with one end positioned in the clamping groove 5031 starts to move towards the inside of the strip-shaped groove 506 under the action of the arc-shaped surface of the clamping groove 5031, meanwhile, one end of the round rod 508 leaves the inside of the clamping groove 5031 and enters the end part of the inclined groove 503, in the resetting process of the driven rod 3, the round rod 508 is pushed by the pushing plate 507 under the reaction force generated by the compressed spring 5071, one end moves towards the inside of the inclined groove 503, and the other end enters the annular groove 505, so that the short side of the locking frame 501 deflects towards the inside of the movable groove 402, and the long side of the locking frame extends out of the movable groove 402;

when the circular rod rotates towards the inside of the movable groove 402, the inclined groove 503 drives the circular rod 508 to rotate along the annular groove 505 and stay at the inlet position of the next group of strip-shaped grooves 506;

then make driven lever 3 anticlockwise rotation again, make drive plate 4 begin to reset, in the drive plate 4 in-process that resets, horizontal pole 201 can begin to contact and take place the extrusion with locking frame 501 again, make locking frame 501 begin clockwise rotation, round bar 508 then can begin to drive push pedal 507 under the extrusion of chute 503 and begin to move and compression spring 5071 to the inside of bar groove 506, get into the inside of next group draw-in groove 5031 simultaneously, make locking frame 501 resume initial condition, when being convenient for next circuit maintenance, play the effect of secondary support.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an earthing switch interlocking device, includes multiunit earthing switch main part (1) and base (2) rather than fixed connection, one side fixed mounting of base (2) has horizontal pole (201), and its driven lever (3) with base (2) swing joint, the surface joint of driven lever (3) has multiunit drive plate (4), its characterized in that still includes:

locking mechanical system (5), including locking frame (501) that the through-hole was seted up on the surface, annular structure's spacing groove (502) are seted up to the inner wall of through-hole, and spacing groove (502) intercommunication has multiunit chute (503), and all is provided with draw-in groove (5031) between per two sets of chute (503), the inside of locking frame (501) is inserted and is equipped with hollow shaft (504), and the inside of hollow shaft (504) is provided with directional rotating member, annular groove (505) have been seted up on the surface of hollow shaft (504), annular groove (505) intercommunication has multiunit equidistant strip groove (506) of seting up on hollow shaft (504) surface, the inside of strip groove (506) is provided with push pedal (507) rather than inner wall sliding fit, and push pedal (507) pass through spring (5071) and the inner wall connection of strip groove (506) is fixed, the inner wall sliding fit of annular groove (505) has both ends to be round bar (508) of spherical structure.

2. The interlocking mechanism of the grounding switch as claimed in claim 1, wherein the surface of the driving plate (4) is penetrated by a sliding slot (401) with an arc structure, and the inner wall of the sliding slot (401) is provided with a movable slot (402).

3. The interlocking mechanism of the grounding switch as claimed in claim 1, wherein the locking frame (501) is of an L-shaped structure, the other end of the locking frame is of an arc-shaped structure, a notch is formed in the surface of the short side of the locking frame (501), and the notch is in contact with the surface of the crossbar (201).

4. The earthing switch interlocking mechanism according to claim 1, wherein the directional rotating member comprises an i-shaped support rod (5041) inserted inside the hollow shaft (504), the opposite surfaces of the support rod (5041) are provided with symmetrical guide grooves (5043), the guide grooves (5044) are slidably fitted inside the guide grooves (5043), and the guide rods (5044) are fixedly connected to the end of the hollow shaft (504).

5. The interlocking mechanism of claim 4, wherein the support rod (5041) is snap-fitted to an inner wall of the hollow shaft (504) by a torsion spring (5042) sleeved on a surface of the support rod.

6. The interlock mechanism of claim 1, wherein said slot (5031) is formed by connecting a set of arc-shaped surfaces connected to the limiting groove (502) and a vertical surface perpendicular to the limiting groove (502).