CN118920306B - A mining explosion-proof permanent magnet vacuum high-voltage power distribution device - Google Patents
A mining explosion-proof permanent magnet vacuum high-voltage power distribution device Download PDFInfo
- Publication number
- CN118920306B CN118920306B CN202411199907.5A CN202411199907A CN118920306B CN 118920306 B CN118920306 B CN 118920306B CN 202411199907 A CN202411199907 A CN 202411199907A CN 118920306 B CN118920306 B CN 118920306B
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- proof
- circuit breaker
- explosion
- magnet vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/18—Switchgear having carriage withdrawable for isolation with isolation by vertical withdrawal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
本发明涉及矿用防爆电气设备技术领域，本发明公开了一种矿用防爆永磁真空高压配电装置，它包括柜体、隔离油池、升降平台和永磁真空断路器，柜体中空设置，一侧铰接设有防爆柜门，内部一周设有多个垂直延伸的导向杆，升降平台滑动连接设于导向杆，隔离油池设于柜体内底部中央，永磁真空断路器接口朝下滑动设于升降平台，三相接线铜排设置于隔离油池内，其顶部设置断路器接口。本发明与现有技术相比的优点在于：通过将永磁真空断路器接口处以及所连接的铜排浸入油性液体池内实现了与外部空气的隔离，在更换永磁真空断路器时也能将该处处于油性液体液面以下，可避免与外部易燃易爆气体接触，保障了装置的防爆隔爆效果。
The present invention relates to the technical field of explosion-proof electrical equipment for mines, and the present invention discloses an explosion-proof permanent magnetic vacuum high-voltage power distribution device for mines, which comprises a cabinet, an isolation oil pool, a lifting platform and a permanent magnetic vacuum circuit breaker. The cabinet is hollow, an explosion-proof cabinet door is hinged on one side, a plurality of vertically extending guide rods are arranged around the inner periphery, the lifting platform is slidably connected to the guide rod, the isolation oil pool is arranged at the bottom center of the cabinet, the interface of the permanent magnetic vacuum circuit breaker is slid downwardly arranged on the lifting platform, the three-phase wiring copper bar is arranged in the isolation oil pool, and the circuit breaker interface is arranged on the top. Compared with the prior art, the present invention has the advantages that the interface of the permanent magnetic vacuum circuit breaker and the connected copper bar are immersed in the oily liquid pool to achieve isolation from the external air, and when the permanent magnetic vacuum circuit breaker is replaced, the interface can also be placed below the oily liquid level, which can avoid contact with external flammable and explosive gases, and ensure the explosion-proof and flameproof effect of the device.
Description
Technical Field
The invention relates to the technical field of mining explosion-proof electrical equipment, in particular to a mining explosion-proof permanent magnet vacuum high-voltage distribution device.
Background
The permanent-magnet vacuum high-voltage distribution device is a high-voltage power distribution device which uses a permanent-magnet vacuum circuit breaker as a core component and is commonly used for switches of various large-scale electric equipment.
The mining electrical equipment is a special electrical device, because flammable and explosive gas exists in the mine environment, the electrified equipment is required to be isolated from the environment, electric sparks or electric arcs are prevented from igniting the flammable and explosive gas when an electrical appliance works, and the permanent magnet vacuum high-voltage distribution device is required to be frequently replaced on the basis of the characteristics of the permanent magnet vacuum circuit breaker, so that the connection part of the permanent magnet vacuum high-voltage distribution device and a cable is generally designed into an interface structure convenient to disassemble and assemble, but in the mine explosion-proof occasion, when the permanent magnet vacuum circuit breaker is opened and replaced by a cabinet door of the distribution device, the interface of the permanent magnet vacuum circuit breaker and the cable or a copper bar at the corresponding position cannot be contacted with the external environment, although the normally closed permanent magnet vacuum circuit breaker is difficult to generate electric arcs or electric sparks when being connected in most cases, and a certain risk of air breakdown still exists between other equipment exposed in the environment and a power supply line under pressure when the replacement works.
Disclosure of Invention
The invention aims to solve the technical problem that the existing mining explosion-proof permanent magnet vacuum high-voltage distribution device cannot provide a sufficient explosion-proof effect when a permanent magnet vacuum circuit breaker is replaced, and provides the mining explosion-proof permanent magnet vacuum high-voltage distribution device.
In order to solve the technical problems, the technical scheme is that the mining explosion-proof permanent magnet vacuum high-voltage distribution device comprises a cabinet body, an isolation oil tank, a lifting platform and a permanent magnet vacuum circuit breaker, wherein the cabinet body is arranged in a hollow mode, one side of the cabinet body is hinged with an explosion-proof cabinet door, a plurality of guide rods extending vertically are arranged in a circle inside the cabinet body, the lifting platform is connected with the guide rods in a sliding mode, the isolation oil tank is arranged in the center of the bottom of the cabinet body, and the permanent magnet vacuum circuit breaker is arranged on the lifting platform in a sliding mode.
The isolating oil tank is divided into a bus tank and a main line tank, the bus tank and the main line tank are arranged side by side and are isolated from each other, the bus tank and the main line tank are both provided with three-phase wiring copper bars, each phase of the three-phase wiring copper bars is electrically connected with a breaker joint, and an interface of the breaker joint is upwards arranged.
The permanent magnet vacuum circuit breaker is arranged in a lifting platform in a sliding mode, the interfaces of the permanent magnet vacuum circuit breaker are kept in a downward state, the first isolation sleeve is sleeved at each interface in a sliding mode, the breaker connector is fixedly sleeved with the second isolation sleeve, the first isolation sleeve is matched with the second isolation sleeve, sealing isolation is formed during butt joint of the first isolation sleeve and the second isolation sleeve, a first spring is arranged between the top of the first isolation sleeve and the sliding sleeved position of the permanent magnet vacuum circuit breaker, the first spring is set to be a compression spring, downward elastic force is generated during butt joint of the first isolation sleeve and the second isolation sleeve, the second isolation sleeve is sunk and embedded at the tops of the bus pool and the main pool, overturning cover plates are hinged to two sides of the bus pool and the main pool, and the second isolation sleeve is isolated from the external environment after buckling the overturning cover plates.
Further, the permanent magnet vacuum circuit breaker is externally provided with a switching tool, two sides of the switching tool are provided with a plurality of rollers, the lifting platform is arranged into a U shape, and the inner surfaces of two sides of the opening of the lifting platform are provided with first sliding rails matched with the rollers.
Further, the guide bar is close to the bottom department and slides and set up first slider, and first slider bottom is equipped with the second spring, and the second spring sets up to compression spring, and its bottom and cabinet body bottom surface contact are equipped with the second slide rail to first slider side, and the slip is equipped with the second slider in the second slide rail, upset apron back both sides are equipped with the connecting rod, and the connecting rod terminal extends to first slider side and is connected with the second slider is articulated, and the connecting rod is close to terminal department and is connected with the isolation oil pool shell is articulated.
Further, the outside sliding sleeve that is equipped with a plurality of cooperation guide bars of lift platform, the sliding sleeve sets up in first slider top, is equipped with the third spring between sliding sleeve and the first slider, and second spring elasticity sets up to be less than the third spring elasticity.
Further, the inner walls of the two sides of the cabinet body are all hinged with a plurality of locking rods, the middle part of each locking rod is hollow, a third spring is arranged at the position, away from the hinge point of the cabinet body, of the hollow part of each locking rod, the third spring is arranged as an extension spring, and the tail end of the extension spring is connected with the inner wall of the cabinet body.
Further, a plurality of locking rods are fixedly connected with the synchronous rods between the same sides of the cabinet body, and locking handles are arranged on the side faces of the locking rods close to the explosion-proof cabinet door.
Further, the surface of the explosion-proof cabinet door facing the inside of the cabinet body is provided with a plurality of buckles matched with the locking handles.
Furthermore, the bus pool and the main pool are both provided with explosion-proof junction boxes, and the three-phase wiring copper bars penetrate through the side walls of the bus pool and the main pool and extend into the explosion-proof junction boxes.
Further, the guide bar top is fixed and is equipped with the mounting bracket, and mounting bracket fixed connection goes up and down power device, and lift power device bottom both sides are established to the output, and the top center is established to the input, and lift power device output is equipped with the lift screw of drive lift platform, and lift power device input is equipped with the lifting hand wheel.
Compared with the prior art, the invention has the advantages that the isolation from the outside air is realized by immersing the interface of the permanent magnet vacuum circuit breaker and the connected copper bar into the oily liquid pool, and the exposed cable or copper bar at the interface can be isolated from the outside when the permanent magnet vacuum circuit breaker is replaced, so that the explosion-proof and flame-proof effects of the device are ensured, and the invention has the following characteristics for realizing the advantages:
1. The installation arrangement mode of the circuit breaker interface is changed, the interface and the corresponding copper bar are installed in an oil pool, and the permanent magnet vacuum circuit breaker is installed in a mode that the interface is downward by providing a special connection tool and a lifting platform.
2. In order to adapt to the installation mode, the traditional circuit breaker handcart is changed into a vertical movement mode, and a new linkage structure of the turnover cover plate is provided according to the movement mode.
3. In order to reduce volatilization of oily liquid to the greatest extent, a set of special sealing sleeve is provided according to the interface of the permanent magnet vacuum circuit breaker, so that the oily liquid pool can be sealed and isolated after the permanent magnet vacuum circuit breaker is installed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the explosion proof cabinet door of the present invention in an opened state;
FIG. 3 is a schematic view of the structure of the interior of the cabinet of the invention;
Fig. 4 is a schematic structural diagram of the permanent magnet vacuum circuit breaker and the switching fixture of the present invention;
FIG. 5 is a schematic structural view of the transfer tool of the present invention;
FIG. 6 is a schematic view of the structure of the isolation oil sump of the present invention;
FIG. 7 is a schematic view of the structure of the inside of the isolation oil sump of the present invention;
FIG. 8 is a schematic view of the construction of a first spacer and a second spacer of the present invention;
FIG. 9 is a schematic cross-sectional view of a first spacer and a second spacer of the present invention;
FIG. 10 is a schematic view of the structure of the first slider of the present invention;
FIG. 11 is a schematic view of FIG. 10 at a;
FIG. 12 is a schematic view of the structure of the locking lever of the present invention in a locked state;
FIG. 13 is a schematic view of the structure at b in FIG. 12;
FIG. 14 is a schematic view of the structure of the locking lever of the present invention in an unlocked state;
fig. 15 is a schematic view of the structure at c in fig. 14.
The device comprises a cabinet body, an explosion-proof cabinet door, a explosion-proof junction box, a 4 oil delivery pipe, a5 oil discharge pipe, a6 buckle, a 7 isolation oil tank, a8 guide rod, a 9, a mounting frame, a 10 lifting power device, a 11 lifting screw, a 12 lifting hand wheel, a 13 lifting platform, a 14 permanent magnet vacuum circuit breaker, a 15 first sliding rail, a 16 third sliding rail, a 17 switching tool, a 18, a roller, a 19, a turnover cover plate, a 20, a connecting rod, a 21, a first sliding block, a 22, a second sliding rail, a 23, a second sliding block, a 24, a second spring, a 25, a bus bar tank, a 26, a main line tank, a 27, a three-phase wiring copper bar, a 28, a breaker joint, a 29, a sliding sleeve, a 30, a third spring, a 31, a first isolation sleeve, a 32, a second isolation sleeve, a first spring, a 34, a locking rod, a 35, a fourth spring, a 36, a locking handle, a 37 and a synchronous rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the mining explosion-proof permanent magnet vacuum high-voltage distribution device comprises a cabinet body 1, an isolation oil pool 7, a lifting platform 13 and a permanent magnet vacuum circuit breaker 14, wherein the cabinet body 1 is arranged in a hollow mode, one side of the cabinet body is hinged with an explosion-proof cabinet door 2, a plurality of guide rods 8 extending vertically are arranged in a circle inside the cabinet body, the lifting platform 13 is connected with the guide rods 8 in a sliding mode, the isolation oil pool 7 is arranged in the center of the inner bottom of the cabinet body 1, and the permanent magnet vacuum circuit breaker 14 is arranged on the lifting platform 13 in a sliding mode.
Referring to fig. 3, the top of the guide rod 8 is fixedly provided with a mounting frame 9, the mounting frame 9 is fixedly connected with a lifting power device 10, two sides of the bottom of the lifting power device 10 are provided with output ends, the center of the top is provided with an input end, the output end of the lifting power device 10 is provided with a lifting screw 11 for driving a lifting platform 13, and the input end of the lifting power device 10 is provided with a lifting hand wheel 12.
Referring to fig. 6 and 7, the isolating oil tank 7 is divided into a bus tank 25 and a main tank 26, the bus tank 25 and the main tank 26 are arranged side by side and isolated from each other, the bus tank 25 and the main tank 26 are both provided with three-phase wiring copper bars 27, each phase of the three-phase wiring copper bars 27 is electrically connected with a circuit breaker joint 28, and the interface of the circuit breaker joint 28 is arranged upwards.
Referring to fig. 7, the bus pool 25 and the main pool 26 are all communicated with an oil delivery pipe 4 and an oil discharge pipe 5, the oil delivery pipe 4 and the oil discharge pipe 5 are required to be subjected to insulation treatment, transformer oil or other oily liquid with insulation arc extinguishing capability under high pressure is poured into the bus pool 25 and the main pool 26 through the oil delivery pipe 4, and after the transformer oil reaches a service cycle, the transformer oil can be discharged through the oil discharge pipe 5 and new transformer oil is replaced through the oil delivery pipe 4.
Referring to fig. 8 and 9, in the state that the permanent magnetic vacuum circuit breaker 14 is slidably disposed on the lifting platform 13, the interfaces thereof are kept in a downward state, and each interface is slidably sleeved with a first isolation sleeve 31, the circuit breaker connector 28 is fixedly sleeved with a second isolation sleeve 32, the first isolation sleeve 31 and the second isolation sleeve 32 are cooperatively disposed, corresponding sealing rings are disposed on contact surfaces of the first isolation sleeve 31 and the second isolation sleeve 32, sealing isolation is formed after the two isolation sleeves are abutted, a first spring 33 is disposed between the top of the first isolation sleeve 31 and the slidably sleeved position of the permanent magnetic vacuum circuit breaker 14, the first spring 33 is set as a compression spring, and downward elastic force is generated when the first isolation sleeve 31 and the second isolation sleeve 32 are abutted.
Referring to fig. 6, 8 and 10, the second isolation sleeve 32 is sunk and embedded at the tops of the bus pool 25 and the main pool 26, insulation and sealing treatment are required at the connection part between the second isolation sleeve 32 and the tops of the bus pool 25 and the main pool 26, two sides of the bus pool 25 and the main pool 26 are hinged with turnover cover plates 19, a sealing ring is installed on one side of the turnover cover plates 19, facing the bus pool 25 and the main pool 26, according to the turnover cover plates 19, and the second isolation sleeve 32 is isolated from the external environment after the turnover cover plates 19 are buckled.
Referring to fig. 3, fig. 4 and fig. 5, the permanent magnet vacuum circuit breaker 14 is externally provided with a switching tool 17, two sides of the switching tool 17 are provided with a plurality of rollers 18, the lifting platform 13 is in a U shape, the inner surfaces of two sides of the opening of the lifting platform are provided with first sliding rails 15 matched with the rollers 18, and the inner side wall of the cabinet body 1 is provided with third sliding rails 16 matched with the first sliding rails 15 near the explosion-proof cabinet door 2.
In order to facilitate the disassembly and assembly of the permanent magnet vacuum circuit breaker 14, the device according to the embodiment of the invention is actually provided with a trolley matched with the permanent magnet vacuum circuit breaker 14, the trolley is provided with a sliding rail matched with a roller 18, when the permanent magnet vacuum circuit breaker 14 and the switching fixture 17 are placed on the trolley, the roller 18 is exactly aligned with the third sliding rail 16, and a worker can directly push the permanent magnet vacuum circuit breaker 14 and the switching fixture 17 into the lifting platform 13.
Referring to fig. 10 and 11, the guide rod 8 is provided with a first slider 21 near the bottom, a second spring 24 is provided at the bottom of the first slider 21, the second spring 24 is provided as a compression spring, the bottom of the second spring contacts with the bottom of the cabinet 1, a second slide rail 22 is provided at the side of the first slider 21, a second slider 23 is provided in the second slide rail 22, connecting rods 20 are provided at two sides of the back of the flip cover plate 19, the ends of the connecting rods 20 extend to the side of the first slider 21 and are hinged with the second slider 23, and the ends of the connecting rods 20 near the ends are hinged with the casing of the isolation oil pool 7.
When the overturning cover plate 19 is buckled at the tops of the bus pool 25 and the main pool 26 and the first sliding block 21 descends, the structures can be matched with each other to enable the overturning cover plate 19 to overturn upwards, and the second isolation sleeve 32 is exposed.
When the turnover cover plate 19 is opened and the first slider 21 is lifted, the above structures can cooperate with each other to fasten the turnover cover plate 19, so that the second isolation sleeve 32 is isolated from the outside.
Referring to fig. 8 and 10, a plurality of sliding sleeves 29 matched with the guide rods 8 are arranged outside the lifting platform 13, the sliding sleeves 29 are arranged above the first sliding blocks 21, a third spring 30 is arranged between the sliding sleeves 29 and the first sliding blocks 21, and the elasticity of the second spring 24 is smaller than that of the third spring 30.
Because the second isolation sleeve 32 is connected in a sleeved mode, the outline of the second isolation sleeve is hollow, the internal environments of the bus pool 25 and the main pool 26 are communicated with the outside through the second isolation sleeve 32, transformer oil in the bus pool 25 and the main pool 26 can volatilize slightly in a non-airtight state, transformer oil molecules can be regarded as inflammable organic molecules, and the environment explosion risk is increased to a certain extent after the transformer oil molecules volatilize.
When the permanent magnet vacuum circuit breaker 14 is installed, the lifting platform 13 is in a descending position, the first isolation sleeve 31 and the second isolation sleeve 32 are in a butt joint state, and the bus bar pool 25 and the main line pool 26 are isolated from the outside.
For the first sliding block 21, compression springs are arranged on the upper portion and the lower portion of the first sliding block 21, when the lifting platform 13 descends to the installation position where the permanent magnet vacuum circuit breaker 14 is connected, the sliding sleeve 29 of the lifting platform 13 presses down the first sliding block 21 through the third spring 30, and because the elasticity of the second sliding block 23 is smaller than that of the third spring 30, when the lifting platform 13 descends, the second spring 24 is compressed first, the overturning cover plate 19 can be overturned and opened before the lifting platform 13 is in a connection state, and when the lifting platform 13 ascends, the lifting platform 13 ascends to the disconnection position first and then the overturning cover plate 19 is buckled and closed.
In summary, in the invention, only in the lifting process of the lifting platform 13, the bus pool 25 and the main pool 26 are exposed to the outside in a short time, the permanent magnet vacuum circuit breaker 14 is butted with the second isolation sleeve 32 through the first isolation sleeve 31 in normal use, and the bus pool 25 and the main pool 26 are isolated from the outside through the overturning cover plate 19 when the permanent magnet vacuum circuit breaker 14 is not installed in the invention, and the working mode furthest reduces the exposure of the inside of the bus pool 25 and the main pool 26 and reduces the volatilization of transformer oil.
Referring to fig. 12, 13, 14 and 15, the inner walls of two sides of the cabinet body 1 are hinged with a plurality of locking rods 34, the middle of each locking rod 34 is hollow, a fourth spring 35 is arranged in the hollow part of each locking rod 34 at a position far away from the hinge point with the cabinet body 1, the fourth spring 35 is an extension spring, and the tail end of the fourth spring 35 is connected with the inner wall of the cabinet body 1.
The locking rods 34 are fixedly connected with a synchronizing rod 37 between the same sides of the cabinet body 1, and the side surface of the locking rod 34 close to the explosion-proof cabinet door 2 is provided with a locking handle 36.
Referring to fig. 12, 13, 14 and 15, when the locking handle 36 is in a vertical state, the locking lever 34 is not in contact with the top of the elevating platform 13, the elevating platform 13 can be freely elevated, and the fourth spring 35 stretches the locking lever 34 to be in this state.
When the locking handle 36 is in a horizontal state, the bottom of the locking rod 34 can be in contact with the top of the descending lifting platform 13, the lifting platform 13 cannot freely ascend and descend, meanwhile, the fourth spring 35 stretches the locking rod 34 to apply downward force, and the lifting platform 13 is continuously subjected to the downward pressure of the locking rod 34 and is in a locking state.
The surface of the explosion-proof cabinet door 2 facing the interior of the cabinet body 1 is provided with a plurality of buckles 6 matched with the locking handles 36, and the buckles 6 are arranged to be matched with the positions of the locking handles 36 in a horizontal state.
The bus pool 25 and the main pool 26 are both provided with an explosion-proof junction box 3, the three-phase wiring copper bars 27 penetrate through the side walls of the bus pool 25 and the main pool 26 and extend into the explosion-proof junction box 3, and the three-phase wiring copper bars 27 penetrate through the side walls of the bus pool 25 and the main pool 26 and are subjected to sealing and insulating treatment.
When the permanent magnet vacuum circuit breaker 14 is installed, the permanent magnet vacuum circuit breaker 14 to be replaced is connected with the switching tool 17, the explosion-proof cabinet door 2 is opened, the locking handle 36 is unlocked in a vertical state, the permanent magnet vacuum circuit breaker 14 is sent into the lifting platform 13, the lifting hand wheel 12 is rotated to enable the lifting platform 13 to descend, the overturning cover plate 19 automatically overturns in the process, the lifting platform 13 continues to descend, the first isolation sleeve 31 is in butt joint with the second isolation sleeve 32 to form sealed isolation, the circuit breaker connector 28 is electrically connected with the permanent magnet vacuum circuit breaker 14, and the explosion-proof cabinet door 2 is closed by pulling the locking handle 36 to be locked in a horizontal state after being connected in place.
When the permanent magnet vacuum circuit breaker 14 is dismounted, the explosion-proof cabinet door 2 is opened, the locking handle 36 is pulled to unlock in a vertical state, the lifting hand wheel 12 is rotated to enable the lifting platform 13 to ascend, the first isolation sleeve 31 and the second isolation sleeve 32 are undocked in the process, the circuit breaker connector 28 and the permanent magnet vacuum circuit breaker 14 are undocked electrically, the overturning cover plate 19 is buckled downwards, and the dismounting can be completed when the lifting platform 13 ascends to displace out of the permanent magnet vacuum circuit breaker 14.
The invention and its embodiments have been described above without limitation, and the actual construction is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (9)
1. The utility model provides a mining explosion-proof permanent magnetism vacuum high voltage distribution device, it includes the cabinet body (1), keep apart oil bath (7), lift platform (13) and permanent magnetism vacuum circuit breaker (14), the cavity setting of the cabinet body (1), one side articulates and is equipped with explosion-proof cabinet door (2), inside a week is equipped with a plurality of guide bars (8) that extend perpendicularly, lift platform (13) sliding connection locates guide bar (8), keep apart oil bath (7) and locate the interior bottom central authorities in the cabinet body (1), lift platform (13) are located in permanent magnetism vacuum circuit breaker (14) slip, its characterized in that:
the isolation oil tank (7) is divided into a bus tank (25) and a main line tank (26), the bus tank (25) and the main line tank (26) are arranged side by side and are isolated from each other, the bus tank (25) and the main line tank (26) are both provided with three-phase wiring copper bars (27), each phase of the three-phase wiring copper bars (27) is electrically connected with a breaker joint (28), and the interfaces of the breaker joints (28) are upwards arranged;
The permanent magnet vacuum circuit breaker (14) is arranged in a sliding mode on the lifting platform (13), the interfaces of the permanent magnet vacuum circuit breaker are kept in a downward state, each interface is in sliding connection with a first isolation sleeve (31), the circuit breaker connector (28) is fixedly connected with a second isolation sleeve (32), the first isolation sleeve (31) and the second isolation sleeve (32) are matched and arranged, sealing isolation is formed when the first isolation sleeve (31) and the permanent magnet vacuum circuit breaker (14) are in butt joint, a first spring (33) is arranged between the top of the first isolation sleeve and the sliding connection position of the permanent magnet vacuum circuit breaker (14), the first spring (33) is set to be a compression spring, downward elastic force is generated when the first isolation sleeve (31) and the second isolation sleeve (32) are in butt joint, the second isolation sleeve (32) is sunk and embedded at the tops of the bus bar pool (25) and the main line pool (26), and overturning cover plates (19) are hinged to two sides of the bus bar pool (25) and isolate the second isolation sleeve (32) from the external environment after the overturning cover plates (19) are buckled.
2. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 1, wherein a switching tool (17) is arranged outside the permanent magnet vacuum circuit breaker (14), a plurality of rollers (18) are arranged on two sides of the switching tool (17), the lifting platform (13) is in a U shape, and first sliding rails (15) matched with the rollers (18) are arranged on the inner surfaces of two sides of an opening of the lifting platform.
3. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 1, wherein the guide rod (8) is arranged at a position close to the bottom in a sliding mode, a first sliding block (21) is arranged at the bottom of the first sliding block (21), a second spring (24) is arranged at the bottom of the first sliding block, the second spring (24) is arranged to be a compression spring, the bottom of the second spring is in contact with the bottom surface of the cabinet body (1), a second sliding rail (22) is arranged on the side face of the first sliding block (21), a second sliding block (23) is arranged in the second sliding rail (22), connecting rods (20) are arranged on two sides of the back of the turnover cover plate (19), and the tail ends of the connecting rods (20) extend to the side face of the first sliding block (21) and are hinged to the second sliding block (23) in a hinged mode, and the positions close to the tail ends of the connecting rods (20) are hinged to the outer shell of the isolation oil pool (7).
4. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 3, wherein a plurality of sliding sleeves (29) matched with the guide rods (8) are arranged outside the lifting platform (13), the sliding sleeves (29) are arranged above the first sliding blocks (21), third springs (30) are arranged between the sliding sleeves (29) and the first sliding blocks (21), and the elastic force of the second springs (24) is smaller than that of the third springs (30).
5. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 1, wherein a plurality of locking rods (34) are hinged to the inner walls of the two sides of the cabinet body (1), the middle of each locking rod (34) is hollow, a fourth spring (35) is arranged at the position, far away from the hinging point of the cabinet body (1), of the hollow part inside each locking rod (34), and the tail end of each fourth spring (35) is connected with the inner wall of the cabinet body (1).
6. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 5, wherein a synchronous rod (37) is fixedly connected between the locking rods (34) positioned on the same side of the cabinet body (1), and a locking handle (36) is arranged on the side face of the locking rod (34) close to the explosion-proof cabinet door (2).
7. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 6, wherein a plurality of buckles (6) matched with locking handles (36) are arranged on the surface of the explosion-proof cabinet door (2) facing the inside of the cabinet body (1).
8. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 1, wherein explosion-proof junction boxes (3) are arranged on two sides of the bus bar pool (25) and the main line pool (26), and the three-phase wiring copper bars (27) penetrate through the side walls of the bus bar pool (25) and the main line pool (26) and extend into the explosion-proof junction boxes (3).
9. The mining explosion-proof permanent magnet vacuum high-voltage distribution device according to claim 1, wherein the installation frame (9) is fixedly arranged at the top of the guide rod (8), the installation frame (9) is fixedly connected with the lifting power device (10), two sides of the bottom of the lifting power device (10) are arranged as output ends, the center of the top is arranged as an input end, the output end of the lifting power device (10) is provided with the lifting screw (11) for driving the lifting platform (13), and the input end of the lifting power device (10) is provided with the lifting hand wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411199907.5A CN118920306B (en) | 2024-08-29 | 2024-08-29 | A mining explosion-proof permanent magnet vacuum high-voltage power distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411199907.5A CN118920306B (en) | 2024-08-29 | 2024-08-29 | A mining explosion-proof permanent magnet vacuum high-voltage power distribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118920306A CN118920306A (en) | 2024-11-08 |
| CN118920306B true CN118920306B (en) | 2025-03-14 |
Family
ID=93297895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411199907.5A Active CN118920306B (en) | 2024-08-29 | 2024-08-29 | A mining explosion-proof permanent magnet vacuum high-voltage power distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118920306B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243552A (en) * | 2021-11-29 | 2022-03-25 | 慈溪市输变电工程有限公司大明电气分公司 | Environment-friendly vacuum circuit breaker for gas insulation ring main unit |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69900069T2 (en) * | 1999-01-05 | 2001-09-20 | Enel Distribuzione S.P.A., Rom/Roma | Arrangement for multi-pole switches |
| NL1020581C2 (en) * | 2002-05-13 | 2003-11-14 | Holec Holland Nv | Switching installation with an electrically insulating barrier. |
| US7558052B1 (en) * | 2008-01-10 | 2009-07-07 | Eaton Corporation | Electrical cabinet assembly and seal assembly therefor |
| CN204030406U (en) * | 2014-08-22 | 2014-12-17 | 无锡市新一代电力电器有限公司 | Side-mounted flameproof high-voltage vacuum distribution equipment for mining |
| CN104409273B (en) * | 2014-10-29 | 2016-07-06 | 浙江道笃智能开关有限公司 | Pole type High-Voltage Electrical Appliances cubicle switch |
| CN210296215U (en) * | 2019-06-27 | 2020-04-10 | 瑞熙恩电气（珠海）有限公司 | Permanent magnet vacuum circuit breaker and gas-filled cabinet |
| CN214798289U (en) * | 2021-04-07 | 2021-11-19 | 温州建力电器有限公司 | Outdoor comprehensive power distribution cabinet |
| CN218894509U (en) * | 2022-07-29 | 2023-04-21 | 湖南创安防爆电器有限公司 | Interlocking device and explosion door |
| CN116666147A (en) * | 2023-03-15 | 2023-08-29 | 平高集团有限公司 | Linkage switch and ring main unit |
-
2024
- 2024-08-29 CN CN202411199907.5A patent/CN118920306B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243552A (en) * | 2021-11-29 | 2022-03-25 | 慈溪市输变电工程有限公司大明电气分公司 | Environment-friendly vacuum circuit breaker for gas insulation ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118920306A (en) | 2024-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210898273U (en) | Mining explosion-proof mobile substation | |
| CN105119179B (en) | A kind of switch cubicle and breaker | |
| CN204947440U (en) | A kind of environmental protection gas-insulated ring network cabinet | |
| KR101562258B1 (en) | Disconnecting switch of gas insulation switching system | |
| CN118920306B (en) | A mining explosion-proof permanent magnet vacuum high-voltage power distribution device | |
| CN101483322A (en) | Armored withdraw type metal enclosed switch cabinet | |
| WO2008080288A1 (en) | A full-insulative waterproof switch cabinet | |
| CN112803290B (en) | A miniaturized mobile box-type substation | |
| CN203180419U (en) | Double-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN104916489A (en) | Mine flame-proof intrinsically safe modular permanent magnet feeder switch | |
| CN2571038Y (en) | External isolation centrally located metal armoring high-voltage switch apparatus | |
| CN204967106U (en) | Cubical switchboard and circuit breaker | |
| CN110429506B (en) | GIS switch cabinet | |
| CN210297052U (en) | GIS switch cabinet | |
| CN202917885U (en) | A steel-clad movable AC switch cabinet | |
| CN210273289U (en) | PT arrester handcart | |
| CN2523084Y (en) | Indoor fixed sulfur hexafluoride looped network box | |
| CN1093329C (en) | Interlocking plug-in box for bus bar | |
| CN110010428A (en) | A fuse protection cover | |
| CN213520871U (en) | Second grade block terminal | |
| CN203193175U (en) | Lightning-protection double-case environmentally friendly gas-insulated metal-enclosed switchgear | |
| CN209016544U (en) | A kind of environmental protection Cubicle Gas-Insulated Switchgear | |
| CN110957660B (en) | Indoor high voltage SF6 circuit breaker electric trolley | |
| CN203180421U (en) | Single-chamber environment-friendly gas-insulated metal-enclosed switchgear | |
| CN208571413U (en) | A kind of solid insulation isolation PT cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |