CN217486149U

CN217486149U - Protective cover for preventing relay protection pressing plate from being mistakenly moved

Info

Publication number: CN217486149U
Application number: CN202221090420.XU
Authority: CN
Inventors: 李强; 滕文; 赵赓维; 温铎; 王磊; 于谦
Original assignee: Baotou Second Thermal Power Plant North United Power Corp
Current assignee: Baotou Second Thermal Power Plant North United Power Corp
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-23
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a prevent relay protection clamp plate maloperation protection casing, including setting up the protection casing mechanism in the relay protection clamp plate main part outside, the outside fixed cover of relay protection clamp plate main part is equipped with the base, protection casing mechanism includes the shape baffle of returning at the base top of screw thread fixation, and relay protection clamp plate main part is located back the shape baffle, and the top left side of returning the shape baffle is rotated and is installed the apron, and the apron is with the top right side screw thread fixation who returns the shape baffle, returns the left side fixedly connected with audible-visual annunciator of shape baffle, returns fixedly connected with support on the left side inner wall of shape baffle, and the top fixedly connected with of support returns the shape seat, is equipped with the montant in returning the shape seat. The utility model discloses be convenient for open fast and remove and shelter from, and the personnel of being convenient for remind personnel on every side in automatic audible-visual alarm when opening the apron, reduce because of the safe risk that maintainer can not in time learn to cause on every side, improve the safety in utilization, satisfy the user demand.

Description

Protective cover for preventing relay protection pressing plate from being mistakenly moved

Technical Field

The utility model relates to a protection casing technical field especially relates to a prevent relay protection clamp plate maloperation protection casing.

Background

The relay protection pressing plate is also called as a protection connecting plate or called as a tripping pressing plate, is a bridge and a link of a protection device connected with external wiring, and is related to whether the function and action outlet of the protection can normally play a role, because of the particularity of equipment such as the relay protection device and the like, the 'pressing plate' which must be designed is arranged on a tripping circuit and is an important guarantee means for ensuring the safe operation of a relay protection system, the relay protection pressing plate is a disconnection point visible to naked eyes, the operating personnel can conveniently judge the tripping circuit of the relay protection device and can be communicated with a tripping coil of a switch (breaker) or not, great convenience is provided for maintenance and operation, at present, a protective cover is arranged on the outer side of the relay protection pressing plate at most, so that the protective cover is prevented from being touched by mistake or moved by mistake, and the safety of the relay protection device during maintenance is ensured.

The existing protective cover for preventing the false operation of the relay protection pressing plate has the defect that automatic alarm is not convenient to remind surrounding personnel when the protective cover is opened, so that the protective cover is easily opened by the personnel at will, safety risks are caused, the using requirement cannot be met, and aiming at the phenomenon, the protective cover for preventing the false operation of the relay protection pressing plate is provided and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a protective cover for preventing misoperation of a relay protection pressing plate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a protective cover for preventing relay protection pressing plate from being mistakenly moved comprises a protective cover mechanism arranged on the outer side of a relay protection pressing plate main body, wherein a base is fixedly sleeved on the outer side of the relay protection pressing plate main body, the protective cover mechanism comprises a clip-shaped baffle fixed on the top of the base in a threaded manner, the relay protection pressing plate main body is located in the clip-shaped baffle, a cover plate is rotatably installed on the left side of the top of the clip-shaped baffle and is fixed with the right side of the top of the clip-shaped baffle in a threaded manner, an audible and visual alarm is fixedly connected to the left side of the clip-shaped baffle, a support is fixedly connected to the inner wall of the left side of the clip-shaped baffle, a clip-shaped seat is fixedly connected to the top of the support, a vertical rod is arranged in the clip-shaped seat, the top of the vertical rod extends to the upper side of the clip-shaped seat and is fixedly connected with an extrusion ball movably contacted with the bottom of the cover plate, the clip-shaped seat is slidably sleeved on the vertical rod, a rectangular through hole is formed in the right side of the vertical rod, a fixed rod is arranged in the rectangular through hole, fixedly connected with elasticity between the bottom of dead lever and the bottom inner wall of returning the shape seat stretches tight direction subassembly, elasticity stretches tight direction subassembly and the bottom fixed connection of montant, the articulated elasticity tensioning assembly in top of dead lever, two hollow copper balls of the top fixedly connected with of the tensioning assembly of elasticity, three insulating hornblocks of fixedly connected with on the fenestrate top inner wall of rectangle, one side that two hollow copper balls are close to each other respectively with the both sides movable contact of three insulating hornblocks, the top left side fixed mounting of support has the battery, anodal and audible-visual annunciator electric connection of battery, audible-visual annunciator passes through flexible conductor and left hollow copper ball electric connection, the negative pole of battery passes through flexible conductor and the hollow copper ball electric connection on right side.

Preferably, elasticity tight guide assembly includes two guide bars of fixed connection in the dead lever bottom, and the montant is located between two guide bars, the bottom of guide bar and the bottom inner wall fixed connection who returns the shape seat, and sliding sleeve is equipped with same removal seat on two guide bars, and fixed connection has two compression springs that are in compression state between the bottom of removing the seat and the bottom inner wall of returning the shape seat, and compression spring movable sleeve establishes on the guide bar that corresponds, removes the top of seat and the bottom fixed connection of montant.

Preferably, the elastic tensioning assembly comprises two insulating rods hinged to the top of the fixing rod, the two insulating rods are arranged in an inclined and symmetrical mode, the same extension spring in a stretching state is fixedly connected between the two insulating rods, and the top ends of the two insulating rods are fixedly connected with the bottoms of the corresponding hollow copper balls respectively.

Preferably, the storage battery, the audible and visual alarm, the left hollow copper ball and the right hollow copper ball sequentially form a loop.

Preferably, the front and rear sides of the fixing bar are in sliding contact with the front and rear inner walls of the rectangular penetration hole, respectively.

Preferably, the right side of the top of the square-shaped baffle is provided with a thread groove, a knob type bolt is sleeved in the thread groove, and the cover plate is sleeved on the knob type bolt in a threaded manner.

Preferably, the top of the left side of the clip-shaped baffle is fixedly connected with a baffle block positioned above the audible and visual alarm.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the clip baffle, the cover plate, the knob type bolt and the thread groove, the relay protection pressing plate main body can be shielded and protected, the effect of protecting the relay protection pressing plate main body against misoperation is realized, and the cover plate can be quickly opened to remove shielding;

through apron, audible-visual annunciator, montant, extrusion ball, guide bar, removal seat, compression spring, insulator spindle, hollow copper ball, extension spring and three insulating hornblocks cooperate, personnel around can automatic alarm remind when in use being opened by personnel, reduce because of the maintenance personal can not in time learn the safe risk who causes around.

The utility model discloses be convenient for open fast and relieve sheltering from, and the personnel of being convenient for remind personnel on every side in automatic audible and visual alarm when opening the apron, reduce because of the safe risk that maintainer can not in time learn to cause on every side, improve the safety in utilization, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural view of a protection cover for preventing relay protection pressing plate from being mistakenly moved;

fig. 2 is a schematic cross-sectional structural view of the protection cover for preventing the relay protection pressing plate from being mistakenly moved by the utility model;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is an enlarged structural diagram of a portion B in fig. 3.

In the figure: 100. a base; 1. a clip-shaped baffle; 2. a cover plate; 3. an audible and visual alarm; 4. a support; 5. a clip seat; 6. a vertical rod; 7. extruding the ball; 8. a rectangular perforation; 9. a fixing rod; 10. a guide bar; 11. a movable seat; 12. a compression spring; 13. an insulating rod; 14. hollow copper balls; 15. an extension spring; 16. insulating triangular blocks; 17. a knob type bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a protective cover for preventing relay protection pressing plate from being mistakenly moved comprises a protective cover mechanism arranged on the outer side of a relay protection pressing plate main body, wherein a base 100 is fixedly sleeved on the outer side of the relay protection pressing plate main body, the protective cover mechanism comprises a clip-shaped baffle 1 fixed on the top of the base 100 in a threaded manner, the relay protection pressing plate main body is positioned in the clip-shaped baffle 1, a cover plate 2 is rotatably installed on the left side of the top of the clip-shaped baffle 1, a same hinge is fixedly connected between the top of the left side of the clip-shaped baffle 1 and the left side of the cover plate 2, the cover plate 2 is rotatably installed with the clip-shaped baffle 1 through the hinge, the cover plate 2 is fixedly threaded with the right side of the top of the clip-shaped baffle 1, a thread groove is formed in the right side of the top of the clip-shaped baffle 1, a knob-type bolt 17 is sleeved in the thread groove, the thread of the cover plate 2 is sleeved on the knob-type bolt 17, a threaded hole in the right side of the top of the cover plate 2 and in threaded connection with the knob-type bolt 17, an audible and visual alarm 3 is fixedly connected to the left side of the clip-shaped baffle 1, a blocking and protecting block positioned above the audible and visual alarm 3 is fixedly connected to the top of the left side of the clip-shaped baffle 1 and used for protecting the audible and visual alarm 3 below the blocking and protecting block, so as to prevent the cover plate 2 from colliding with the audible and visual alarm 3 after being opened, a support 4 is fixedly connected to the inner wall of the left side of the clip-shaped baffle 1, a clip-shaped seat 5 is fixedly connected to the top of the support 4, a vertical rod 6 is arranged in the clip-shaped seat 5, the top end of the vertical rod 6 extends to the upper side of the clip-shaped seat 5 and is fixedly connected with a squeezing ball 7 which is movably contacted with the bottom of the cover plate 2, the clip-shaped seat 5 is slidably sleeved on the vertical rod 6, a rectangular sliding hole which is slidably connected with the outer side of the vertical rod 6 is formed in the inner wall of the top of the clip-shaped seat 5, the clip-shaped seat 5 is slidably sleeved on the vertical rod 6 through the rectangular sliding hole, so as to achieve the effect of vertically slidably guiding the vertical rod 6, a rectangular perforation 8 is arranged on the right side of the vertical rod 6, a fixed rod 9 is arranged in the rectangular perforation 8, the front side and the rear side of the fixed rod 9 are respectively in sliding contact with the inner wall of the front side and the inner wall of the rear side of the rectangular perforation 8, an elastic tightening guide component is fixedly connected between the bottom of the fixed rod 9 and the inner wall of the bottom of the clip-shaped seat 5 and fixedly connected with the bottom end of the vertical rod 6, wherein the elastic tightening guide component comprises two guide rods 10 fixedly connected with the bottom of the fixed rod 9, the vertical rod 6 is positioned between the two guide rods 10, the bottom ends of the guide rods 10 are fixedly connected with the inner wall of the bottom of the clip-shaped seat 5, the two guide rods 10 are slidably sleeved with a same movable seat 11, two guide holes are arranged on the top of the movable seat 11, the inner walls of the guide holes are slidably connected with the outer sides of the corresponding guide rods 10, the movable seat 11 is slidably sleeved on the two guide rods 10 through the two guide holes, the effect of guiding the movable seat 11 to slide up and down is achieved, two compression springs 12 in a compressed state are fixedly connected between the bottom of the movable seat 11 and the inner wall of the bottom of the square-shaped seat 5, the compression springs 12 are movably sleeved on the corresponding guide rods 10, and the top of the movable seat 11 is fixedly connected with the bottom end of the vertical rod 6;

the top of the fixed rod 9 is hinged with an elastic tensioning component, the top end of the elastic tensioning component is fixedly connected with two hollow copper balls 14, the inner wall of the top of the rectangular perforation 8 is fixedly connected with an insulating triangular block 16, one side, close to each other, of each hollow copper ball 14 is respectively in movable contact with the two sides of the insulating triangular block 16, a storage battery is fixedly installed on the left side of the top of the support 4, the positive electrode of the storage battery is electrically connected with the audible and visual alarm 3, the audible and visual alarm 3 is electrically connected with the hollow copper ball 14 on the left side through a flexible lead, the negative electrode of the storage battery is electrically connected with the hollow copper ball 14 on the right side through a flexible lead, the storage battery, the audible and visual alarm 3, the hollow copper ball 14 on the left side and the hollow copper ball 14 on the right side sequentially form a loop, wherein the elastic tensioning component comprises two insulating rods 13 hinged at the top of the fixed rod 9, the two insulating rods 13 are obliquely and symmetrically arranged, and a same stretching spring 15 in a stretching state is fixedly connected between the two insulating rods 13, the top of two insulator spindle 13 respectively with the bottom fixed connection of the hollow copper ball 14 that corresponds, the utility model discloses be convenient for open fast and remove and shelter from, and the personnel of being convenient for remind personnel on every side in the automatic audible and visual alarm of opening apron 2, reduce because of the safe risk that maintainer can not in time learn to cause on every side, improve the safety in utilization, satisfy the user demand.

The working principle is as follows: when the cover plate 2 is opened to operate the relay protection pressing plate main body, the knob type bolt 17 is rotated reversely to separate the knob type bolt from the thread groove, the cover plate 2 is released from fixing, the cover plate is rotated upwards to turn over the cover plate, the extrusion force of the cover plate 2 on the extrusion ball 7 disappears, at the moment, the elasticity of the compression spring 12 in a compression state drives the movable seat 11 to slide upwards on the two guide rods 10, the movable seat 11 drives the vertical rod 6 to move upwards, the vertical rod 6 drives the extrusion ball 7 to move upwards, meanwhile, the vertical rod 6 drives the insulation triangular block 16 to move upwards, the insulation triangular block 16 is separated from the two hollow copper balls 14 upwards, at the moment, the elasticity of the extension spring 15 in a stretching state drives the two insulation rods 13 to rotate towards the mutually approaching direction, the two insulation rods 13 drive the two hollow copper balls 14 to move towards the mutually approaching direction and are mutually contacted, and as the storage battery, the audible and visual alarm 3, the left hollow copper ball 14 and the right hollow copper ball 14 sequentially form a loop, at the moment, the audible and visual alarm 3 is powered on to generate audible and visual alarm to remind surrounding personnel and relieve the shielding, the personnel can operate the relay protection pressing plate main body at the moment, the shielding can be opened quickly and relieved, and the personnel can be automatically alarmed to remind the surrounding personnel when being opened by the personnel in use by a mode of carrying out automatic audible and visual alarm reminding when the cover plate 2 is opened, so that the safety risk caused by the fact that the surrounding maintenance personnel cannot know in time is reduced;

when the cover plate 2 is closed, a person turns downwards to close the cover plate 2 and fixes the cover plate 2 by using the knob type bolt 17, the cover plate 2 downwards extrudes the extrusion ball 7 when closed downwards, so that the extrusion ball 7 downwards moves and drives the vertical rod 6 to downwards move, the vertical rod 6 drives the moving seat 11 to downwards slide on the two guide rods 10 and compresses the compression spring 12, the vertical rod 6 drives the insulating triangular block 16 to downwards move, the insulating triangular block 16 extrudes the two hollow copper balls 14, under the extrusion force, the two hollow copper balls 14 are separated towards the direction away from each other, the two hollow copper balls 14 drive the two insulating rods 13 to rotate towards the direction away from each other and stretch the stretching spring 15, at the moment, the loop is disconnected, and the audible and visual alarm 3 is powered off to stop giving an alarm.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent relay protection clamp plate maloperation protection casing, including setting up the protection casing mechanism in the relay protection clamp plate main part outside, the outside fixed cover of relay protection clamp plate main part is equipped with base (100), a serial communication port, protection casing mechanism includes shape baffle (1) of returning at base (100) top of screw fixation, relay protection clamp plate main part is located returns shape baffle (1), the top left side of returning shape baffle (1) is rotated and is installed apron (2), apron (2) and the top right side screw fixation who returns shape baffle (1), the left side fixedly connected with audible-visual annunciator (3) of returning shape baffle (1), fixedly connected with support (4) on the left side inner wall of returning shape baffle (1), the top fixedly connected with of support (4) returns shape seat (5), be equipped with montant (6) in shape seat (5), the top of montant (6) extends to the top of returning shape seat (5) and fixedly connected with the extrusion ball of apron (2) bottom swing joint (7) The square-shaped seat (5) is sleeved on the vertical rod (6) in a sliding manner, a rectangular through hole (8) is formed in the right side of the vertical rod (6), a fixing rod (9) is arranged in the rectangular through hole (8), an elastic tightening guide component is fixedly connected between the bottom of the fixing rod (9) and the inner wall of the bottom of the square-shaped seat (5), the elastic tightening guide component is fixedly connected with the bottom end of the vertical rod (6), the top of the fixing rod (9) is hinged with an elastic tightening component, the top end of the elastic tightening component is fixedly connected with two hollow copper balls (14), an insulating triangular block (16) is fixedly connected onto the inner wall of the top of the rectangular through hole (8), one side, close to each other, of the two hollow copper balls (14) is respectively in movable contact with the two sides of the insulating triangular block (16), a storage battery is fixedly installed on the left side of the top of the support (4), and the anode of the storage battery is electrically connected with the audible and visual alarm (3), the audible and visual alarm (3) is electrically connected with the left hollow copper ball (14) through a flexible lead, and the cathode of the storage battery is electrically connected with the right hollow copper ball (14) through a flexible lead.

2. The protective cover for preventing the pressing plate from being mistakenly moved in the relaying protection according to claim 1, wherein the elastic tightening guide assembly comprises two guide rods (10) fixedly connected to the bottom of the fixed rod (9), the vertical rod (6) is located between the two guide rods (10), the bottom ends of the guide rods (10) are fixedly connected with the inner wall of the bottom of the clip-shaped seat (5), the same moving seat (11) is slidably sleeved on the two guide rods (10), two compression springs (12) in a compressed state are fixedly connected between the bottom of the moving seat (11) and the inner wall of the bottom of the clip-shaped seat (5), the compression springs (12) are movably sleeved on the corresponding guide rods (10), and the top of the moving seat (11) is fixedly connected with the bottom ends of the vertical rods (6).

3. The protective cover for preventing relay protection pressing plate false action according to claim 1, wherein the elastic tensioning assembly comprises two insulating rods (13) hinged to the top of the fixing rod (9), the two insulating rods (13) are arranged in an inclined symmetrical manner, a same stretching spring (15) in a stretching state is fixedly connected between the two insulating rods (13), and the top ends of the two insulating rods (13) are fixedly connected with the bottoms of the corresponding hollow copper balls (14), respectively.

4. The protective cover for preventing relay protection pressing plate false operation according to claim 1, wherein the storage battery, the audible and visual alarm (3), the left hollow copper ball (14) and the right hollow copper ball (14) sequentially form a loop.

5. The protective cover against relay protection pressing plate false motion as claimed in claim 1, wherein the front and rear sides of the fixing rod (9) are in sliding contact with the front and rear inner walls of the rectangular through hole (8), respectively.

6. The protective cover for preventing the misoperation of the relay protection pressing plate according to claim 1, wherein a thread groove is formed in the right side of the top of the clip-shaped baffle plate (1), a knob-type bolt (17) is sleeved in the thread groove, and a cover plate (2) is sleeved on the knob-type bolt (17) in a thread manner.

7. The protective cover for preventing relay protection pressing plate false operation according to claim 1, wherein a protective block located above the audible and visual alarm (3) is fixedly connected to the top of the left side of the square-shaped baffle (1).