CN216487756U - Double-program locking device for 35kV new energy switch cabinet - Google Patents

Abstract

The utility model discloses a dual-program locking device for 35kV new forms of energy cubical switchboard relates to cubical switchboard blocking device technical field, including L shape isolation barrier and a dual-program locking mechanism, dual-program locking mechanism is including setting up a installing support on isolation mechanism, and the intermediate position of installing support is connected with a flexible fender piece of shutting, and the flexible upper and lower bilateral symmetry that keeps off the piece of shutting is equipped with a first shutting subassembly and a second shutting subassembly, and the flexible top that keeps off the piece of shutting is equipped with a sunshade, the utility model discloses a dual-program locking device can be integrated as an organic whole with two program locks, and the overall arrangement is compact, and occupation space is less, and is more practical, safe and reliable, has avoided the extravagant problem of cubical switchboard inner space resource.

Description

Double-program locking device for 35kV new energy switch cabinet

Technical Field

The utility model relates to a cubical switchboard blocking device technical field especially relates to a dual-program locking device for 35kV new forms of energy cubical switchboard.

Background

The 35kV new energy switch cabinet is applied to a power grid, electrical misoperation of the switch cabinet is one of frequent accidents of a power system, and serious accidents such as damage of power equipment, system power failure and even casualties can be caused frequently. In order to effectively prevent electrical misoperation, a misoperation-preventing locking device is usually installed for avoiding the misoperation. The reliability of the locking function of such devices is extremely important for the safety of the circuit in terms of maintenance and repair, and is a safety guarantee for the relevant operating personnel.

Generally, the switch cabinet only needs to use a single program lock to realize emergency locking and unlocking, but in a 35kV new energy switch cabinet with a high requirement on safety degree, the requirement that two program locks need to be installed at the same position may be met, and as the traditional program locks are installed independently, the occupied space is large, and space resources in the switch cabinet are limited, the problem that installation is difficult or installation cannot be easily caused is easily caused.

Disclosure of Invention

For the technical problem who relates to in the above-mentioned background art of solution, the utility model aims at providing a double-program locking lock device for 35kV new forms of energy cubical switchboard that overall arrangement is compact, occupation space is little, simple and practical.

The utility model adopts the following technical proposal: a double-program locking device for a 35kV new energy switch cabinet comprises an L-shaped isolation baffle, a locking mechanism and a locking mechanism, wherein the L-shaped isolation baffle is installed on an operating shaft and can rotate along with the operating shaft, and the locking mechanism comprises a connecting plate and a convex block positioned at the bottom end of the connecting plate; the double-program locking mechanism is positioned on one side of the operating shaft and comprises a mounting bracket arranged on the isolating mechanism, a locking telescopic stopper is connected in the middle of the mounting bracket, a first locking assembly and a second locking assembly are symmetrically arranged on the upper side and the lower side of the locking telescopic stopper, one end of the locking telescopic stopper, which is close to the operating shaft, extends out of the mounting bracket, a gap is reserved between the locking telescopic stopper and the operating shaft, and a shielding plate is arranged at the top end of the locking telescopic stopper; the first locking assembly and/or the second locking assembly drives the locking telescopic stopper to move horizontally so as to match with the opening/closing of the isolation mechanism.

As an optimized scheme, the top of the mounting bracket is vertically bent to form a basic mounting plate, the upper side and the lower side of the basic mounting plate are vertically bent to form a first mounting plate and a second mounting plate, the locking telescopic stopper is arranged in the middle of the basic mounting plate and comprises a horizontal moving plate and a front baffle, the front baffle is transversely and vertically buckled at one end, extending out of the mounting bracket, of the horizontal moving plate, and the shielding plate is vertically arranged in the middle of the side wall of the front baffle; the horizontal moving plate is provided with a first sliding groove and a second sliding groove which extend along a central line, the first sliding groove is arranged at the other end of the horizontal moving plate, the second sliding groove is arranged at the middle position of the horizontal moving plate, the horizontal moving plate is connected to the base mounting plate through a first sliding pin arranged in the first sliding groove and a second sliding pin arranged in the second sliding groove in a penetrating mode, and the front baffle is connected with the second sliding pin through a reset spring.

As an optimized scheme, the first locking assembly and the second locking assembly are symmetrically arranged on the upper side and the lower side of the horizontal moving plate, the first locking assembly comprises a first program lock, a first travel switch and a first locking baffle, the first program lock is arranged on the base mounting plate, the first travel switch is arranged on the first mounting plate, the first locking baffle is arranged between the first program lock and the first travel switch, and comprises a first sliding plate, a first limiting plate and a first rear baffle, the front end of the first sliding plate is provided with an upper chute extending along the central line of the first sliding plate, the first sliding plate is horizontally arranged on the first mounting plate through an upper sliding pin penetrating in the upper chute, the first limiting plate is transversely and vertically arranged on the upper plate surface of the first sliding plate, and the first limiting plate is positioned on one side of the first travel switch, the first rear baffle is transversely and vertically arranged on the lower plate surface of the first sliding plate, the first rear baffle is positioned right behind the first program lock, a lock bolt of the first program lock abuts against the upper half part of the front baffle when moving forwards and can push the front baffle to extend forwards, and the lock bolt of the first program lock abuts against the first rear baffle when moving backwards and can push the first rear baffle to move backwards; the second locking assembly comprises a second program lock, a second travel switch and a second locking baffle, the second program lock is mounted on the base mounting plate, the second travel switch is mounted on the second mounting plate, the second locking baffle is mounted between the second program lock and the second travel switch, and comprises a second sliding plate, a second limiting plate and a second rear baffle, the front end of the second sliding plate is provided with a lower chute extending along the central line of the second sliding plate, the second sliding plate is horizontally arranged on the second mounting plate through a lower sliding pin penetrating the lower chute, the second limiting plate is transversely and vertically arranged on the lower plate surface of the second sliding plate, the second limiting plate is positioned on one side of the second travel switch and is abutted against a movable contact of the second travel switch, and the second rear baffle is transversely and vertically arranged on the upper plate surface of the second sliding plate, the second rear baffle is positioned right behind the second program lock, the lock bolt of the second program lock abuts against the lower half part of the front baffle and can push the front baffle to extend forwards when moving forwards, and the lock bolt of the second program lock abuts against the second rear baffle and can push the second rear baffle to move backwards when moving backwards.

As an optimized scheme, the connecting plate is provided with a connecting hole, and the connecting plate is fixedly sleeved on the operating shaft.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a two procedure locking device for 35kV new forms of energy cubical switchboard can be integrated as an organic whole with two procedure locks, and the overall arrangement is compact, and occupation space is less, more practical, safer and more reliable, has avoided cubical switchboard inner space wasting of resources's problem.

Drawings

Fig. 1 is a front view of an embodiment of a dual-program locking device for a 35kV new energy switch cabinet according to the present invention in a locking state;

fig. 2 is a front view of the dual-program locking device for a 35kV new energy switch cabinet according to the embodiment of the present invention in an unlocking state;

fig. 3 is a schematic structural diagram of the dual-program locking device for a 35kV new energy switch cabinet according to the embodiment of the present invention in a locking state;

fig. 4 is a schematic structural diagram of the dual-program locking device for a 35kV new energy switch cabinet according to the embodiment of the present invention in an unlocking state;

wherein, the 1-L-shaped isolation baffle, the 2-double-procedure locking mechanism, the 3-operation shaft, the 4-isolation mechanism,

11-connecting plate, 12-lug, 13-connecting hole,

21-mounting bracket, 22-locking telescopic blocking member, 23-first locking component, 24-second locking component, 25-shielding plate,

201-a base mounting plate, 202-a first mounting plate, 203-a second mounting plate,

211-a horizontal moving plate, 212-a front baffle, 213-a first chute, 214-a second chute, 215-a first sliding pin, 216-a second sliding pin, 217-a return spring,

231-a first program lock, 232-a first travel switch, 233-a first locking baffle, 234-a first sliding plate, 235-a first limit plate, 236-a first rear baffle, 237-an upper chute, 238-an upper sliding pin, 239-a first lock bolt,

241-a second program lock, 242-a second travel switch, 243-a second lockout catch, 244-a second sliding plate, 245-a second limit plate, 246-a second tailgate, 247-a lower chute, 248-a lower sliding pin, 249-a second lock bolt.

Detailed Description

Hereinafter, in order to facilitate the technical solution of the present invention to be understood by those skilled in the art, further description will be made with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention.

In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-4, the dual-program locking device for a 35kV new energy switch cabinet of the present invention includes an L-shaped isolation barrier 1 and a dual-program locking mechanism 2, wherein the L-shaped isolation barrier 1 is mounted on an operation shaft 3 and can rotate with the operation shaft 3, wherein the operation shaft 3 is vertically disposed on an isolation mechanism 4 of the switch cabinet, the L-shaped isolation barrier 1 is provided with a connection plate 11 mounted on the operation shaft 3 and a projection 12 located at a bottom end of the connection plate 11, the dual-program locking mechanism 2 is located at one side of the operation shaft 3, the dual-program locking mechanism 2 includes a mounting bracket 21 disposed on the isolation mechanism 4, and a locking telescopic stopper 22, a first locking assembly 23 and a second locking assembly 24 disposed on the mounting bracket 21, the first locking assembly 23 and the second locking assembly 24 are symmetrically disposed at upper and lower sides of the locking telescopic stopper 22, one end of the latch telescopic stopper 22 close to the operation shaft 3 protrudes out of the mounting bracket 21 with a gap from the operation shaft 3. The first locking assembly 23 and/or the second locking assembly 24 drives the locking telescopic stopper 22 to move horizontally to cooperate with the isolation mechanism 4 to realize opening and closing.

Specifically, when the isolation mechanism 4 is in the closing position, that is, in the state shown in fig. 4, at this time, the protrusion 12 on the L-shaped isolation barrier 1 completely abuts against the end surface of the locking telescopic stopper 22, if the isolation mechanism 4 needs to be opened, the operation shaft 3 needs to be rotated until the protrusion 12 completely avoids the locking telescopic stopper 22 and rotates to the bottom end, the isolation mechanism 4 is adjusted to the opening position from the closing position, and then the operation shaft 3 is locked, and the process of locking the operation shaft 3 is as follows: optionally, one or both of the first latch assembly 23 and the second latch assembly 24 can push the latch telescopic stop 22 to move horizontally toward the end close to the operating shaft 3, and move until the shielding plate 25 completely shields the top end face of the operating shaft 3, at which time the operating shaft 3 cannot rotate any more, i.e., is locked, because the distance between the operating shaft 3 and the latch telescopic stop 22 becomes smaller, and at which time the dual-program latch lock mechanism 2 is in a latched state as shown in fig. 3.

When the isolation mechanism 4 is at the opening position, that is, in the state shown in fig. 3, at this time, the projection 12 on the L-shaped isolation barrier 1 is located below the operation shaft 3, if the isolation mechanism 4 needs to be closed, the first locking component (23) and the second locking component (24) are simultaneously selected to drive the locking telescopic stopper (22) to translate backwards to the initial position, and as the distance between the operation shaft 3 and the locking telescopic stopper 22 becomes larger, the operation shaft 3 can be rotated again until the projection 12 completely abuts against the end surface of the locking telescopic stopper 22, at this time, the isolation mechanism 4 is adjusted from the opening position to the closing position, and at this time, the dual-program locking mechanism 2 is in the unlocking state as shown in fig. 4.

In this embodiment, the top of the mounting bracket 21 is vertically bent to form the base mounting plate 201, meanwhile, the upper and lower sides of the base mounting plate 201 are vertically bent to form the first mounting plate 202 and the second mounting plate 203, the locking telescopic stopper 22 is disposed in the middle of the base mounting plate 201, the locking telescopic stopper 22 includes a horizontal moving plate 211 and a front baffle 212, the front baffle 212 is laterally and vertically fastened to one end of the horizontal moving plate 211 extending out of the mounting bracket 21, and the shielding plate 25 is vertically disposed in the middle of the side wall of the front baffle 212. The horizontal moving plate 211 is provided with a first sliding groove 213 and a second sliding groove 214 extending along the central line, the first sliding groove 213 is arranged at the other end of the horizontal moving plate 211, the second sliding groove 214 is arranged at the position close to the middle of the horizontal moving plate 211, the horizontal moving plate 211 is connected to the base mounting plate 201 through a first sliding pin 215 penetrating through the first sliding groove 213 and a second sliding pin 216 penetrating through the second sliding groove 214, so that two-point fixation is realized, and the front baffle 212 is fixedly connected with the second sliding pin 216 through a return spring 217.

Specifically, in the present embodiment, the first locking assembly 23 and the second locking assembly 24 are symmetrically disposed on the upper and lower sides of the horizontal moving plate 211, the first locking assembly 23 includes a first program lock 231, a first travel switch 232 and a first locking baffle 233, the first program lock 231 is mounted on the base mounting plate 201, the first travel switch 232 is mounted on the first mounting plate 202, the first locking baffle 233 is mounted between the first program lock 231 and the first travel switch 232, the first locking baffle 233 includes a first sliding plate 234, a first limiting plate 235 and a first rear baffle 236, an upper sliding groove 237 extending along a central line of the first sliding plate 234 is disposed at the front end of the first sliding plate 234, the first sliding plate 234 is horizontally disposed on the first mounting plate 202 by an upper sliding pin 238 disposed in the upper sliding groove 237, the first limiting plate 235 is disposed transversely and vertically on the upper plate surface of the first sliding plate 234, the first limiting plate 235 is located on one side of the first travel switch 232, and is abutted against the movable contact of the first travel switch 232, the first rear baffle 236 is transversely and vertically arranged on the lower plate surface of the first sliding plate 234, the first rear baffle 236 is positioned right behind the first program lock 231, the first lock pin 239 of the first program lock 231 abuts against the upper half part of the front baffle 212 and can push the front baffle to extend forwards when moving forwards, and the first lock pin 239 of the first program lock 231 abuts against the first rear baffle 236 and can push the rear baffle to move backwards when moving backwards.

The second locking assembly 24 includes a second program lock 241, a second stroke switch 242 and a second locking baffle 243, the second program lock 241 is installed on the base mounting plate 201, the second stroke switch 242 is installed on the second mounting plate 203, the second locking baffle 243 is installed between the second program lock 241 and the second stroke switch 242, and includes a second sliding plate 244, a second limiting plate 245 and a second rear baffle 246, the front end of the second sliding plate 244 is provided with a lower sliding slot 247 extending along the central line thereof, the second sliding plate 244 is horizontally arranged on the second mounting plate 203 through a lower sliding pin 248 penetrating the lower sliding slot 247, the second limiting plate 245 is transversely and vertically arranged on the lower plate surface of the second sliding plate 244, the second limiting plate 245 is located at one side of the second stroke switch 242 and is abutted against the contact of the second stroke switch 242, the second rear baffle 246 is transversely and vertically arranged on the upper plate surface of the second sliding plate 244, the second rear baffle 246 is located right behind the second program lock 241, the second latch 249 of the second program lock 241 abuts against the lower half portion of the front baffle 212 and pushes it to extend forward when moving forward, and the second latch 249 of the second program lock 241 abuts against the second rear baffle 246 and pushes it to move backward when moving backward.

The utility model discloses specific realization process as follows: when the isolation mechanism 4 is in the switching-on position, that is, in the state shown in fig. 4, at this time, the protrusion 12 on the L-shaped isolation baffle 1 completely abuts against the end surface of the locking telescopic stopper 22, and if the isolation mechanism 4 needs to be switched off, the operation shaft 3 needs to be rotated until the protrusion 12 completely avoids the locking telescopic stopper 22, the isolation mechanism 4 is adjusted from the switching-on position to the switching-off position, and then the operation shaft 3 is locked, and the process of locking the operation shaft 3 is as follows: the first locking assembly 23 or the second locking assembly 24 or both are arbitrarily selected, where for example, when the first locking assembly 23 is selected, the first program lock 231 is rotated counterclockwise, the first lock pin 239 of the first program lock 231 extends forward to push the front baffle 212 to move leftward and drive the horizontal moving plate 211 to slide leftward until the shielding plate 25 completely shields the top end surface of the operating shaft 3, at this time, the return spring 217 is in a state of stretching and storing energy, and because the distance between the operating shaft 3 and the front baffle 212 becomes smaller, the operating shaft 3 cannot rotate to the side close to the front baffle 212 any more, and the protrusion 12 stays below the operating shaft 3. Meanwhile, the movable feeler of the first travel switch 232 is released, and then the first limiting plate 235 is pushed to move leftward, so as to drive the corresponding first sliding plate 234 and the first back baffle 236 to move leftward, and send out a locking electrical signal to the outside, at this time, the dual-program locking lock mechanism 2 is in a locking state as shown in fig. 3.

When the isolation mechanism 4 is in the open position, i.e. in the state shown in fig. 3, and the projection 12 on the L-shaped isolation barrier 1 is located below the operating shaft 3, if the isolation mechanism 4 needs to be closed, the first locking component 23 and the second locking component 24 need to be selected simultaneously, for a simultaneous clockwise rotation of the first program lock 231 and the second program lock 241, the first throw 239 of the first program lock 231 and the second throw 249 of the second program lock 241 will move backwards, at which time, the energy storage of the return spring 217 is rapidly released, the horizontal moving plate 211 slides rightwards, the front baffle 212 is driven to move rightwards, because the distance between the operating shaft 3 and the front baffle 212 is increased, the L-shaped isolation baffle 1 can rotate along with the operating shaft 3 toward the side of the locking telescopic stopper 22 until the protrusion 12 and the operating shaft 3 are in the same horizontal plane, and at this time, the protrusion 12 can rotate to abut against the plate surface of the front baffle 212. Since the first and second rear baffles 236 and 246 are simultaneously pushed to the right by the first bolt 239 of the first program lock 231 and the second bolt 249 of the second program lock 241, the first and second limit plates 235 and 245 are driven to move to the right, at this time, the first and second stroke switches 232 and 242 corresponding to the first and second program locks 231 and 241 are simultaneously pressed, the first and second stroke switches 232 and 242 simultaneously send out unlocking electrical signals, the isolation mechanism 4 is adjusted to the closing position from the opening position, and at this time, the state of the dual-program locking mechanism 2 is in the unlocking state as shown in fig. 4.

In addition, in the embodiment, the connecting plate 11 is provided with the connecting hole 13, and the connecting plate 11 is fixedly sleeved on the operating shaft 3, so that the disassembly and maintenance operation are convenient.

The utility model discloses a two procedure locking device for 35kV new forms of energy cubical switchboard can be integrated as an organic whole with two procedure locks, and the overall arrangement is compact, and occupation space is less, more practical, safer and more reliable, has avoided cubical switchboard inner space wasting of resources's problem.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (4)

1. A dual-program locking device for a 35kV new energy switch cabinet, comprising:

the L-shaped isolation baffle (1) is arranged on the operating shaft (3) and can rotate along with the operating shaft (3), and comprises a connecting plate (11) and a convex block (12) positioned at the bottom end of the connecting plate (11);

the double-program locking and locking mechanism (2) is positioned on one side of the operating shaft (3) and comprises a mounting bracket (21) arranged on the isolation mechanism (4), a locking telescopic blocking piece (22) is connected to the middle position of the mounting bracket (21), a first locking assembly (23) and a second locking assembly (24) are symmetrically arranged on the upper side and the lower side of the locking telescopic blocking piece (22), one end, close to the operating shaft (3), of the locking telescopic blocking piece (22) extends out of the mounting bracket (21) and a gap is reserved between the locking telescopic blocking piece and the operating shaft (3), and a shielding plate (25) is arranged at the top end of the locking telescopic blocking piece (22); the first locking assembly (23) and/or the second locking assembly (24) drives the locking telescopic blocking piece (22) to horizontally move so as to complete the opening/closing of the isolation mechanism (4).

2. The dual-program locking device for the 35kV new energy switch cabinet according to claim 1, wherein the top of the mounting bracket (21) is vertically bent to form a base mounting plate (201), the upper side and the lower side of the base mounting plate (201) are vertically bent to form a first mounting plate (202) and a second mounting plate (203), the locking telescopic stopper (22) is arranged in the middle of the base mounting plate (201), the locking telescopic stopper (22) comprises a horizontal moving plate (211) and a front baffle (212), the front baffle (212) is laterally and vertically fastened to one end, extending out of the mounting bracket (21), of the horizontal moving plate (211), and the shielding plate (25) is vertically arranged in the middle of the side wall of the front baffle (212); be equipped with on horizontal moving plate (211) along first spout (213) and second spout (214) that the central line extends, first spout (213) set up the other end of horizontal moving plate (211), second spout (214) set up the intermediate position department of horizontal moving plate (211), horizontal moving plate (211) are through wearing to locate first sliding pin (215) in first spout (213) and second sliding pin (216) in second spout (214) are connected on basic mounting panel (201), preceding baffle (212) with connect through a reset spring (217) between second sliding pin (216).

3. The dual-program locking device for a 35kV new energy switch cabinet according to claim 2, wherein the first locking assembly (23) and the second locking assembly (24) are symmetrically arranged at the upper side and the lower side of the horizontal moving plate (211), the first locking assembly (23) comprises a first program lock (231), a first travel switch (232) and a first locking baffle (233), the first program lock (231) is installed on the base installation plate (201), the first travel switch (232) is installed on the first installation plate (202), the first locking baffle (233) is installed between the first program lock (231) and the first travel switch (232) and comprises a first sliding plate (234), a first limit plate (235) and a first rear baffle (236), the front end of the first sliding plate (234) is provided with an upper sliding groove (237) extending along the central line thereof, the first sliding plate (234) is horizontally arranged on the first mounting plate (202) through an upper sliding pin (238) which is arranged in the upper sliding chute (237) in a penetrating way, the first limit plate (235) is transversely and vertically arranged on the upper plate surface of the first sliding plate (234), the first limit plate (235) is positioned at one side of the first travel switch (232), and is abutted against the movable contact of the first travel switch (232), the first rear baffle (236) is transversely and vertically arranged on the lower plate surface of the first sliding plate (234), the first tailgate (236) is located directly behind the first program lock (231), the first lock bolt (239) of the first program lock (231) abuts against the upper half part of the front baffle plate (212) and can push the front baffle plate to extend forwards when moving forwards, and abuts against the first rear baffle plate (236) and can push the rear baffle plate to move backwards when moving backwards;

the second locking assembly (24) comprises a second program lock (241), a second travel switch (242) and a second locking baffle (243), the second program lock (241) is installed on the base installation plate (201), the second travel switch (242) is installed on the second installation plate (203), the second locking baffle (243) is installed between the second program lock (241) and the second travel switch (242), and comprises a second sliding plate (244), a second limit plate (245) and a second rear baffle (246), the front end of the second sliding plate (244) is provided with a lower sliding groove (247) extending along a central line thereof, the second sliding plate (244) is horizontally arranged on the second installation plate (203) through a lower sliding pin (248) arranged in the lower sliding groove (247), and the second limit plate (245) is transversely and vertically arranged on the lower plate of the second sliding plate (244), the second limit plate (245) is located on one side of the second travel switch (242) and is abutted against a movable contact of the second travel switch (242), the second rear baffle (246) is transversely and vertically arranged on the upper plate surface of the second sliding plate (244), the second rear baffle (246) is located right behind the second program lock (241), a second lock bolt (249) of the second program lock (241) abuts against the lower half part of the front baffle (212) when moving forwards and can push the front baffle to extend forwards, and when moving backwards, the second lock bolt can abut against the second rear baffle (246) and can push the rear baffle to move backwards.

4. The dual-program locking device for the 35kV new energy switch cabinet according to claim 3, wherein a connecting hole (13) is formed in the connecting plate (11), and the connecting plate (11) is fixedly sleeved on the operating shaft (3).

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