CN213753517U

CN213753517U - High-voltage board isolating device

Info

Publication number: CN213753517U
Application number: CN202022004230.9U
Authority: CN
Inventors: 陈从文; 王泽华
Original assignee: Yunnan Jiangnan Tebian Electric Co ltd
Current assignee: Yunnan Jiangnan Tebian Electric Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-20
Anticipated expiration: 2030-09-14

Abstract

The utility model provides a high-voltage board isolating device, include the cabinet body, cabinet door and place the platform, its characterized in that: the cabinet body is fixedly arranged at the upper end of the placing table; the cabinet door is movably connected with the front end of the cabinet body; a first communication port is formed in the top end of the cabinet body, a fixed seat is connected to one side wall of the first communication port in a sliding mode, an isolating switch grounding operation shaft is fixedly connected to the side edge of the upper end of the fixed seat, a clamping groove is formed in one side, close to the inner side wall of the cabinet body, of the lower end of the fixed seat, and a wedge-shaped ejector rod is movably connected to the bottom end of the fixed seat; a second communication port is formed in the side wall of the cabinet body, the inner side wall of the second communication port is movably connected with a connecting rod, one end, located outside the cabinet body, of the connecting rod is fixedly connected with a handle, and the other end of the connecting rod is matched with the clamping groove; the fixed cover of surface that the connecting rod is located the internal part of cabinet is equipped with the fixed block, fixed connection has spring one between fixed block and the internal side wall of cabinet, the utility model discloses simple structure connects reliably, and installation easy maintenance is convenient for patrol and examine, low in manufacturing cost, non-maintaining, the facilitate promotion is implemented.

Description

High-voltage board isolating device

Technical Field

The utility model relates to an isolating device technical field specifically is a high-voltage board isolating device.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, putting in load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs.

When the isolating switch of the power high-voltage switch equipment requires that the switch is in a closing position, the cable chamber door cannot be opened and is in a closing state; when the high-voltage isolating switch is in a grounding state, the cable chamber door can be opened for overhauling. The setting requirement is mainly to prevent misoperation of the high-voltage isolating switch, prevent personnel from entering a cable chamber to be overhauled and maintained in an electrified way, and prevent dangerous accidents. The existing mechanical interlocking device has the defects of complex structure, complex transmission process, high manufacturing cost and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-voltage board isolating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-voltage board isolating device, includes the cabinet body, cabinet door and places the platform, its characterized in that: the cabinet body is fixedly arranged at the upper end of the placing table; the cabinet door is movably connected with the front end of the cabinet body; a first communication port is formed in the top end of the cabinet body, a fixed seat is connected to the side wall of the first communication port in a sliding mode, an isolating switch grounding operation shaft is fixedly connected to the side edge of the upper end of the fixed seat, a clamping groove is formed in one side, close to the inner side wall of the cabinet body, of the lower end of the fixed seat, and a wedge-shaped ejector rod is movably connected to the bottom end of the fixed seat; a second communication port is formed in the side wall of the cabinet body, the inner side wall of the second communication port is movably connected with a connecting rod, one end, located outside the cabinet body, of the connecting rod is fixedly connected with a handle, and the other end of the connecting rod is matched with the clamping groove; a fixed block is fixedly sleeved on the outer surface of the part of the connecting rod, which is positioned in the cabinet body, a first spring is fixedly connected between the fixed block and the inner side wall of the cabinet body, and the first spring is movably sleeved on the outer side surface of the connecting rod; the cabinet door inside wall has seted up the standing groove, fixedly connected with link gear in the standing groove.

Preferably, the inner cavity of the linkage mechanism is movably connected with a clamping block, the outer side surfaces of the clamping blocks are respectively and movably sleeved with a first pressure bearing ring and a second pressure bearing ring, the first pressure bearing ring is in sliding connection with the inner side wall of the linkage mechanism, and the second pressure bearing ring is fixedly connected with the inner side wall of the linkage mechanism; the first bearing ring and the second bearing ring are fixedly connected with a spring II, the outer surface of the clamping block is sleeved with the spring II in a movable mode, a wedge-shaped groove matched with the wedge-shaped ejector rod is formed in the top end of the clamping block, and one end, close to the inner side wall of the cabinet body, of the clamping block is matched with a positioning groove formed in the inner side wall of the cabinet body.

Preferably, the inner side surface of the cabinet door is fixedly connected with a sliding block, and the sliding block is matched with a sliding groove formed in the front end of the two side walls of the cabinet body.

Preferably, the outer side surface of the wedge-shaped ejector rod is respectively movably sleeved with a first limiting block and a second limiting block, one end of the first limiting block is matched with a positioning groove formed in the inner side wall of the cabinet body, one end of the second limiting block is fixedly connected with the inner side wall of the cabinet body, a third limiting block and a third limiting block are fixedly connected with each other, and the outer side surface of the wedge-shaped ejector rod is sleeved with the third spring.

Preferably, the top end of the cabinet body is fixedly connected with a limiting sleeve, and the limiting sleeve is movably sleeved on the surface of the outer side of the fixed seat.

Compared with the prior art, the beneficial effects of the utility model are that: when the fixing base 102 is pressed, the grounding operation shaft 103 of the disconnecting switch fixedly connected to the side of the fixing base moves downwards to enter the cabinet 1, the worker can not open the earthing operation shaft 103 of the isolating switch, and is in a brake-off state at the moment, so as to ensure safety, when the fixed seat 102 moves downwards, the top end of the wedge-shaped mandril 105 is extruded and moves downwards, and drives the first stopper 106 to slide downward along the positioning slot 1014, compressing the third spring 108, the top end of the wedge-shaped mandril 105 passes through the top end of the linkage mechanism 202 to be matched with the wedge-shaped groove 208, the clamping block 203 is driven to move rightwards, the first pressure-bearing ring 204 moves rightwards along with the linkage mechanism and compresses the second spring 206, when the latch 203 moves out of the positioning slot 1014, the operator can pull the cabinet door 2 to move downwards along the sliding slot 1016 to open, meanwhile, the clamping groove 104 at the lower end of the fixed seat 102 is buckled with the connecting rod 1010, so that the fixed seat 102 is kept stationary and the grounding operation shaft 103 of the disconnecting switch cannot be contacted; after the overhaul, earlier upwards promote cabinet door 2, fixture block 203 extrudees left under the effect of the elasticity of spring two 206 is momentum, after hearing fixture block 203 and get into the buckle sound of constant head tank 1014 and can't promote, move out draw-in groove 104 with connecting rod 1010 through handle 1011, then wedge ejector pin 105 upwards moves under the effect of the elasticity momentum of spring three 108, and ejecting fixing base 102, isolator ground connection operating axis 103 shifts out thereupon, can close a floodgate this moment, and cabinet door 2 has locked, overall structure is simple, reliable connection, easy maintenance and installation, be convenient for patrol and examine, low in manufacturing cost.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a cabinet body; 101. a first communication port; 102. a fixed seat; 103. the disconnecting switch is grounded with the operating shaft; 104. a card slot; 105. a wedge-shaped ejector rod; 106. a first limiting block; 107. a second limiting block; 108. a third spring; 109. a second communication port; 1010. a connecting rod; 1011. a handle; 1012. a fixed block; 1013. a first spring; 1014. positioning a groove; 1015. a limiting sleeve; 1016. a chute; 2. a cabinet door; 201. a placement groove; 202. a linkage mechanism; 203. a clamping block; 204. a first pressure bearing ring; 205. a second pressure bearing ring; 206. a second spring; 207. a slider; 208. a wedge-shaped groove; 3. and (6) placing the table.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, an embodiment of the present invention provides a high-voltage cabinet isolation device, which includes a cabinet body 1, a cabinet door 2 and a placing table 3, wherein the cabinet body 1 is fixedly mounted on the upper end of the placing table 3; the cabinet door 2 is movably connected with the front end of the cabinet body 1; the top end of the cabinet body 1 is provided with a first communication port 101, the side wall of the first communication port 101 is slidably connected with a fixed seat 102, the side edge of the upper end of the fixed seat 102 is fixedly connected with an isolating switch grounding operation shaft 103, one side of the lower end of the fixed seat 102, which is close to the inner side wall of the cabinet body 1, is provided with a clamping groove 104, and the bottom end of the clamping groove is movably connected with a wedge-shaped ejector rod 105; a second communication port 109 is formed in the side wall of the cabinet body 1, a connecting rod 1010 is movably connected to the inner side wall of the second communication port 109, one end, located outside the cabinet body 1, of the connecting rod 1010 is fixedly connected with a handle 1011, and the other end of the connecting rod 1010 is matched with the clamping groove 104; a fixing block 1012 is fixedly sleeved on the outer surface of the part of the connecting rod 1010 positioned in the cabinet body 1, a first spring 1013 is fixedly connected between the fixing block 1012 and the inner side wall of the cabinet body 1, the first spring 1013 is movably sleeved on the outer side surface of the connecting rod 1010, and the first spring 1013 increases the fastening stability of the connecting rod 1010 and the clamping groove 104; a placing groove 201 is formed in the inner side wall of the cabinet door 2, and a linkage mechanism 202 is fixedly connected in the placing groove 201;

a fixture block 203 is movably connected to an inner cavity of the linkage mechanism 202, a first pressure bearing ring 204 and a second pressure bearing ring 205 are respectively sleeved on the outer side surfaces of the fixture block 203, the fixture block 203 is movably connected with the second pressure bearing ring 205, the first pressure bearing ring 204 is slidably connected with the inner side wall of the linkage mechanism 202, and the second pressure bearing ring 205 is fixedly connected with the inner side wall of the linkage mechanism 202; a second spring 206 is fixedly connected between the first pressure-bearing ring 204 and the second pressure-bearing ring 205, the second spring 206 is movably sleeved on the outer side surface of the fixture block 203, the top end of the fixture block 203 is provided with a wedge-shaped groove 208 matched with the wedge-shaped mandril 105, and one end of the fixture block 203 close to the inner side wall of the cabinet body 1 is matched with a positioning groove 1014 arranged on the inner side wall of the cabinet body 1; when the latch 203 moves rightwards under the action of external force, the first pressure-bearing ring 204 moves rightwards along with the latch 203 and compresses the second spring 206, and when the latch 203 moves out of the positioning groove 1014, the cabinet door 2 can move downwards along the sliding groove 1016 to be opened;

the inner side surface of the cabinet door 2 is fixedly connected with a sliding block 207, the sliding block 207 is matched with sliding grooves 1016 arranged at the front ends of two side walls of the cabinet body 1, the outer side surface of the wedge-shaped ejector rod 105 is respectively sleeved with a first limiting block 106 and a second limiting block 107, the wedge-shaped ejector rod 105 is movably connected with the second limiting block 107, one end of the first limiting block 106 is matched with a positioning groove 1014 arranged on the inner side wall of the cabinet body 1, one end of the second limiting block 107 is fixedly connected with the inner side wall of the cabinet body 1 and used for limiting the wedge-shaped ejector rod 105 not to shake and fall off, a third spring 108 is fixedly connected between the first limiting block 106 and the second limiting block 107, the third spring 108 is movably sleeved on the outer side surface of the wedge-shaped ejector rod 105, the top end of the wedge-shaped ejector rod 105 moves downwards after being pressed and drives the first limiting block 106 to slide downwards along the positioning groove 1014, the third spring 108 is compressed, so that the top end of the wedge-shaped ejector rod 105 passes through the top end of the linkage mechanism 202 and is matched with the wedge-shaped groove 208, driving the fixture block 203 to move right; the top end of the cabinet body 1 is fixedly connected with a limiting sleeve 1015, and the limiting sleeve 1015 is movably sleeved on the outer side surface of the fixing seat 102 and used for limiting the position of the fixing seat 102.

The working principle is as follows: when in use, the fixing base 102 is pressed, the grounding operation shaft 103 of the disconnecting switch fixedly connected with the side edge of the fixing base moves downwards to enter the cabinet body 1, the worker can not open the earthing operation shaft 103 of the isolating switch, and is in a brake-off state at the moment, so as to ensure safety, when the fixed seat 102 moves downwards, the top end of the wedge-shaped mandril 105 is extruded and moves downwards, and drives the first stopper 106 to slide downward along the positioning slot 1014, compressing the third spring 108, the top end of the wedge-shaped mandril 105 passes through the top end of the linkage mechanism 202 to be matched with the wedge-shaped groove 208, the clamping block 203 is driven to move rightwards, the first pressure-bearing ring 204 moves rightwards along with the linkage mechanism and compresses the second spring 206, when the latch 203 moves out of the positioning slot 1014, the operator can pull the cabinet door 2 to move downwards along the sliding slot 1016 to open, meanwhile, the clamping groove 104 at the lower end of the fixed seat 102 is buckled with the connecting rod 1010, so that the fixed seat 102 is kept stationary and the grounding operation shaft 103 of the disconnecting switch cannot be contacted; after the overhaul is finished, the cabinet door 2 is pushed upwards firstly, the clamping block 203 is extruded leftwards under the action of the elastic force of the second spring 206, after the clamping sound of the clamping block 203 entering the positioning groove 1014 cannot be pushed, the connecting rod 1010 is moved out of the clamping groove 104 through the handle 1011, the wedge-shaped ejector rod 105 moves upwards under the action of the elastic force of the third spring 108 and ejects the fixing seat 102, the earthing operation shaft 103 of the isolating switch moves out accordingly, the switch can be switched on at the moment, and the cabinet door 2 is locked.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-voltage board isolating device, includes the cabinet body (1), cabinet door (2) and places platform (3), its characterized in that: the cabinet body (1) is fixedly arranged at the upper end of the placing table (3); the cabinet door (2) is movably connected with the front end of the cabinet body (1); a first communication port (101) is formed in the top end of the cabinet body (1), a fixed seat (102) is connected to the side wall of the first communication port (101) in a sliding mode, an isolating switch grounding operation shaft (103) is fixedly connected to the side edge of the upper end of the fixed seat (102), a clamping groove (104) is formed in one side, close to the inner side wall of the cabinet body (1), of the lower end of the fixed seat (102), and a wedge-shaped ejector rod (105) is movably connected to the bottom end of the fixed seat; a second communication port (109) is formed in the side wall of the cabinet body (1), a connecting rod (1010) is movably connected to the inner side wall of the second communication port (109), one end, located outside the cabinet body (1), of the connecting rod (1010) is fixedly connected with a handle (1011), and the other end of the connecting rod is matched with the clamping groove (104); the outer surface of the part, located in the cabinet body (1), of the connecting rod (1010) is fixedly sleeved with a fixing block (1012), a first spring (1013) is fixedly connected between the fixing block (1012) and the inner side wall of the cabinet body (1), and the first spring (1013) is movably sleeved on the outer side surface of the connecting rod (1010); a placing groove (201) is formed in the inner side wall of the cabinet door (2), and a linkage mechanism (202) is fixedly connected in the placing groove (201).

2. The high-voltage cabinet isolation device of claim 1, wherein: a fixture block (203) is movably connected to an inner cavity of the linkage mechanism (202), a first pressure bearing ring (204) and a second pressure bearing ring (205) are respectively sleeved on the outer side surface of the fixture block (203), the fixture block (203) is movably connected with the second pressure bearing ring (205), the first pressure bearing ring (204) is slidably connected with the inner side wall of the linkage mechanism (202), and the second pressure bearing ring (205) is fixedly connected with the inner side wall of the linkage mechanism (202); fixedly connected with spring two (206) between pressure-bearing ring one (204) and pressure-bearing ring two (205), fixture block (203) outside surface is located to spring two (206) movable sleeve, wedge groove (208) with wedge ejector pin (105) looks adaptation are seted up on fixture block (203) top, fixture block (203) are close to constant head tank (1014) looks adaptation of seting up on the one end of the cabinet body (1) inside wall and the cabinet body (1) inside wall.

3. The high-voltage cabinet isolation device of claim 1, wherein: the inner side surface of the cabinet door (2) is fixedly connected with a sliding block (207), and the sliding block (207) is matched with a sliding groove (1016) arranged at the front end of the two side walls of the cabinet body (1).

4. The high-voltage cabinet isolation device of claim 1, wherein: wedge ejector pin (105) outside surface overlaps respectively and is equipped with stopper one (106) and stopper two (107), and wedge ejector pin (105) and stopper two (107) swing joint, the one end of stopper one (106) and seting up in constant head tank (1014) looks adaptation of the cabinet body (1) inside wall, the one end and the cabinet body (1) inside wall fixed connection of stopper two (107), fixedly connected with spring three (108) between stopper one (106) and stopper two (107), wedge ejector pin (105) outside surface is located to spring three (108) movable sleeve.

5. The high-voltage cabinet isolation device according to claim 4, wherein: the top end of the cabinet body (1) is fixedly connected with a limiting sleeve (1015), and the limiting sleeve (1015) is movably sleeved on the surface of the outer side of the fixed seat (102).