CN215118757U - Mining explosion-proof vacuum circuit breaker - Google Patents
Mining explosion-proof vacuum circuit breaker Download PDFInfo
- Publication number
- CN215118757U CN215118757U CN202120558313.4U CN202120558313U CN215118757U CN 215118757 U CN215118757 U CN 215118757U CN 202120558313 U CN202120558313 U CN 202120558313U CN 215118757 U CN215118757 U CN 215118757U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- explosion
- proof
- plate
- damping block
- 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
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a mining flame-proof type vacuum circuit breaker, including the mechanism cover, the outside of mechanism cover is provided with the explosion vent, the inboard fixed mounting of explosion vent has explosion-proof glass, the inboard fixed mounting of mechanism cover has explosion-proof board, the outside of explosion vent is provided with explosion-proof lock, the outside fixed mounting of mechanism cover has board groove one, the inboard of board groove one is provided with snubber block one, the one end of the inside fixedly connected with spring of board groove one. This mining flame-proof type vacuum circuit breaker, through the setting of spring one, play absorbing effect, two atress of snubber blocks push down, make the buffer board use the pivot to open as the axle center, make spring two open, through the setting of spring two, play the effect to the device buffering, play shock attenuation protection's effect when the explosion, with the control shaft respectively with manual energy storage axle, the energy storage instruct the axle, divide and shut and instruct the axle, manual deciliter is connected, use the circuit breaker body through control operation axle.
Description
Technical Field
The utility model relates to a vacuum circuit breaker technical field specifically is a mining flame-proof type vacuum circuit breaker.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the mining explosion-proof vacuum circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinction, is popularized in power distribution networks, is an indoor power distribution device in a three-phase alternating-current system of 3-10 kV and 50Hz, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be configured in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment, particularly a mining explosion-proof vacuum circuit breaker.
Most of the existing vacuum circuit breakers are poor in explosion-proof performance, certain potential safety hazards exist in a mine, and a damping protection mechanism is not arranged when the vacuum circuit breakers are installed, so that the device is vibrated by impact force under special conditions, external connecting devices are damaged, and maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mining flame-proof type vacuum circuit breaker to it is not good to propose the flame proof performance of most current vacuum circuit breakers in solving above-mentioned background art, has certain potential safety hazard in the pit, and does not set up the shock attenuation protection mechanism at installation vacuum circuit breaker, makes the device receive the impact force and vibrate under the special circumstances, damages external connection device, makes the problem of cost of maintenance increase.
In order to achieve the above object, the utility model provides a following technical scheme: a mining explosion-proof vacuum circuit breaker comprises a mechanism cover, wherein an explosion door is arranged on the outer side of the mechanism cover, explosion-proof glass is fixedly mounted on the inner side of the explosion door, an explosion-proof plate is fixedly mounted on the inner side of the mechanism cover, an explosion-proof lock is arranged on the outer side of the explosion door, a first plate groove is fixedly mounted on the outer side of the mechanism cover, a first damping block is arranged on the inner side of the first plate groove, one end of the first spring is fixedly connected to the inner part of the first plate groove, a first mounting plate is fixedly mounted on the outer side of the first damping block, a first groove hole is reserved on the outer side of the first mounting plate, a second damping block is fixedly mounted at the bottom of the mechanism cover, a second plate groove is arranged on the outer side of the second damping block, a second mounting plate is fixedly mounted on the outer side of the second plate groove, a second groove hole is arranged on the outer side of the second mounting plate, a rotating shaft is fixedly mounted at the bottom of the second damping block, the outside of pivot is provided with the buffer board, the inboard of buffer board is provided with the connecting axle, the inboard of buffer board is provided with spring two, the inside fixed mounting of explosion-proof board has the circuit breaker body, the rear side of circuit breaker body is provided with vacuum interrupter, the rear side of circuit breaker body is provided with manual energy storage axle, the rear side of circuit breaker body is provided with the energy storage and indicates the axle, the rear side of circuit breaker body is provided with airtight bolt, the rear side of circuit breaker body is provided with deciliter indicating shaft, the rear side of circuit breaker body is provided with manual branch and shut axle, the outside of manual energy storage axle is provided with sealed the pad, the front side of circuit breaker body is provided with the display screen.
Preferably, the thickness of the explosion-proof glass is 1.6 cm-1.8 cm, and the explosion-proof plate is made of a galvanized steel material.
Preferably, the first plate groove and the first damping block are in sliding connection, the two mounting plates are symmetrically arranged on the front side and the rear side of the first damping block, the first groove holes are distributed at equal intervals, and the other end of the first spring is fixedly connected with the first damping block.
Preferably, the second damping block is in sliding connection with the second plate groove, the two mounting plates are symmetrically arranged on two sides of the second plate groove, the second groove holes are distributed at equal intervals, and the length of the second plate groove is smaller than that of the mechanism cover.
Preferably, the buffer board is connected for rotating with the pivot, the buffer board is provided with two in the outside of pivot, the buffer board is sliding connection with board groove two, the connecting axle is connected for rotating with the buffer board.
Preferably, the sealing gasket is provided with six, and the airtight bolt is connected with the vacuum arc-extinguishing chamber.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the mining explosion-proof vacuum circuit breaker is convenient for observing the numerical value of a display screen through the arrangement of the explosion-proof glass, so that the inspection is convenient, the explosion-proof plate has the advantages of light weight, high strength, impact resistance, explosion resistance, corrosion resistance, shock resistance, high resistance, sound absorption, frost resistance, flame resistance and moisture resistance, the device is structurally isolated from the surrounding environment by an isolation measure, and the heat generated by the circuit in normal operation and the electric spark and high temperature formed in a fault state are both limited in a sealed mechanism cover so as to prevent surrounding inflammable and explosive gas from being ignited, thereby achieving the explosion-proof effect;
2. this mining flame-proof type vacuum circuit breaker, through the setting of spring one, play absorbing effect, two atress of snubber blocks push down, make the buffer board use the pivot to open as the axle center, make spring two open, through the setting of spring two, play the effect to the device buffering, play shock attenuation protection's effect when the explosion, with the control shaft respectively with manual energy storage axle, the energy storage instruct the axle, divide and shut and instruct the axle, manual deciliter is connected, use the circuit breaker body through control operation axle.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic view of the back view structure of the present invention;
fig. 4 is a schematic view of a cross-sectional structure of the plate groove of the present invention.
In the figure: 1. a mechanism cover; 2. an explosion vent; 3. explosion-proof glass; 4. an explosion-proof plate; 5. an explosion-proof lock; 6. a first plate groove; 7. a first damping block; 8. a first spring; 9. a first mounting plate; 10. a first slot hole; 11. a second damping block; 12. a second plate groove; 13. a second mounting plate; 14. a second slot hole; 15. a rotating shaft; 16. a buffer plate; 17. a connecting shaft; 18. a second spring; 19. a circuit breaker body; 20. a vacuum arc-extinguishing chamber; 21. a manual energy storage shaft; 22. an energy storage indicating shaft; 23. an airtight bolt; 24. a separation and combination indicating shaft; 25. manually separating and combining the shafts; 26. a gasket; 27. a display screen.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a mining explosion-proof type vacuum circuit breaker comprises a mechanism cover 1, an explosion-proof door 2, explosion-proof glass 3, an explosion-proof plate 4, an explosion-proof lock 5, a plate groove I6, a shock absorption block I7, a spring I8, a mounting plate I9, a groove hole I10, a shock absorption block II 11, a plate groove II 12, a mounting plate II 13, a groove hole II 14, a rotating shaft 15, a buffer plate 16, a connecting shaft 17, a spring II 18, a circuit breaker body 19, a vacuum arc-extinguishing chamber 20, a manual energy storage shaft 21, an energy storage indicating shaft 22, an airtight bolt 23, a separating and combining indicating shaft 24, a manual separating and combining shaft 25, a sealing gasket 26 and a display screen 27, wherein the explosion-proof door 2 is arranged on the outer side of the mechanism cover 1, the explosion-proof glass 3 is fixedly arranged on the inner side of the explosion-proof door 2, the explosion-proof lock 5 is arranged on the outer side of the explosion-proof door 2, the plate groove I6 is fixedly arranged on the outer side of the mechanism cover 1, the inner side of the plate groove I6 is provided with the shock absorption block I7, one end of a first spring 8 is fixedly connected inside a first plate groove 6, a first mounting plate 9 is fixedly mounted on the outer side of a first damping block 7, a first slotted hole 10 is reserved on the outer side of the first mounting plate 9, a second damping block 11 is fixedly mounted at the bottom of a mechanism cover 1, a second plate groove 12 is arranged on the outer side of the second damping block 11, a second mounting plate 13 is fixedly mounted on the outer side of the second plate groove 12, a second slotted hole 14 is arranged on the outer side of the second mounting plate 13, a rotating shaft 15 is fixedly mounted at the bottom of the second damping block 11, a buffer plate 16 is arranged on the outer side of the rotating shaft 15, a connecting shaft 17 is arranged on the inner side of the buffer plate 16, a second spring 18 is arranged on the inner side of the buffer plate 16, a breaker body 19 is fixedly mounted inside an explosion-proof plate 4, a vacuum arc extinguish chamber 20 is arranged on the rear side of the breaker body 19, a manual energy storage shaft 21 is arranged on the rear side of the breaker body 19, and an energy storage indicating shaft 22 is arranged on the rear side of the breaker body 19, the rear side of the circuit breaker body 19 is provided with an airtight bolt 23, the rear side of the circuit breaker body 19 is provided with a separation and combination indicating shaft 24, the rear side of the circuit breaker body 19 is provided with a manual separation and combination shaft 25, the outer side of the manual energy storage shaft 21 is provided with a sealing gasket 26, and the front side of the circuit breaker body 19 is provided with a display screen 27.
Furthermore, the thickness of the explosion-proof glass 3 is 1.6 cm-1.8 cm, the explosion-proof plate 4 is made of galvanized steel material, the explosion-proof glass 3 is glass capable of preventing violent impact, damage to articles when encountering violent impact can be greatly reduced, the explosion-proof plate has the excellent characteristics of shock resistance, explosion resistance and difficulty in penetration after being impacted and damaged, the numerical value of the display screen 27 can be conveniently observed, the explosion-proof plate 4 has the advantages of light weight, high strength, impact resistance, explosion resistance, corrosion resistance, shock resistance, high resistance, sound absorption, frost resistance, flame resistance and moisture resistance, the device is structurally isolated from the circuit and the surrounding environment by isolation measures, heat generated by the circuit in normal work and electric sparks and high temperature formed in a fault state are limited in the sealed mechanism cover 1, so that flammable and explosive gases around are prevented from being ignited, and the explosion-proof effect is achieved.
Furthermore, the first plate groove 6 is connected with the first damping block 7 in a sliding mode, the two mounting plates 9 are symmetrically arranged on the front side and the rear side of the first damping block 7, the first slotted holes 10 are distributed at equal intervals, the damping block 7 is fixedly connected to the other end of the first spring 8, a screw penetrates through the first slotted holes 10 to be fixed with the outer side of the first spring, and the first spring 8 is arranged to achieve a damping effect.
Furthermore, the second damping block 11 is in sliding connection with the second plate groove 12, the second mounting plate 13 is symmetrically arranged on two sides of the second plate groove 12, the second slot holes 14 are distributed at equal intervals, the length of the second plate groove 12 is smaller than that of the mechanism cover 1, and screws penetrate through the second slot holes 14 to fix the device.
Furthermore, the buffer plate 16 is rotatably connected with the rotating shaft 15, two buffer plates 16 are arranged on the outer side of the rotating shaft 15, the buffer plate 16 is slidably connected with the second plate groove 12, the connecting shaft 17 is rotatably connected with the buffer plate 16, and the second damping block 11 is pressed under the stress, so that the buffer plate 16 is opened by taking the rotating shaft 15 as an axis, the second spring 18 is opened, and the buffer effect on the device is achieved through the arrangement of the second spring 18.
Furthermore, six sealing gaskets 26 are arranged, the airtight bolts 23 are mutually connected with the vacuum arc-extinguishing chamber 20, the whole device is sealed through the arrangement of the sealing gaskets 26, and the air pressure in the vacuum arc-extinguishing chamber 20 is controlled through the arrangement of the airtight bolts 23.
The working principle is as follows: firstly, a mechanism cover 1 is installed, a screw penetrates through a slotted hole II 14 to fix the device, the screw penetrates through a slotted hole I10 to be fixed with the outside, a damping effect is achieved through the arrangement of a spring I8, a damping block II 11 is pressed downwards under the stress, a buffer plate 16 is opened by taking a rotating shaft 15 as an axis, a spring II 18 is opened, the device is buffered through the arrangement of the spring II 18, the damping protection effect is achieved during explosion, a control shaft is respectively connected with a manual energy storage shaft 21, an energy storage indicating shaft 22, an opening and closing indicating shaft 24 and a manual opening and closing shaft 25, a circuit breaker body 19 is used through controlling the control shaft, a magnetic field is generated when current passes through a vacuum arc extinguishing chamber 20, the arc rapidly moves along the tangential direction of the surface of a contact under the action of the magnetic field, partial metal steam is condensed on a shielding cover, the arc is extinguished when the arc naturally passes through zero, and the medium intensity between the contacts is rapidly recovered, the explosion-proof glass 3 is convenient to observe the numerical value of the display screen 27, so that the inspection is convenient, the explosion-proof plate 4 has the advantages of light weight, high strength, impact resistance, explosion resistance, corrosion resistance, shock resistance, high resistance, sound absorption, frost resistance, flame resistance and moisture resistance, the device is structurally isolated from the surrounding environment by isolation measures, the heat generated by the circuit in normal work and electric sparks and high temperature formed in fault states are limited in the sealed mechanism cover 1, so that the surrounding flammable and explosive gas is prevented from being ignited, and the explosion-proof effect is achieved.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a mining flame-proof type vacuum circuit breaker, includes mechanism cover (1), its characterized in that: the outer side of the mechanism cover (1) is provided with an explosion door (2), the inner side of the explosion door (2) is fixedly provided with explosion-proof glass (3), the inner side of the mechanism cover (1) is fixedly provided with an explosion-proof plate (4), the outer side of the explosion door (2) is provided with an explosion-proof lock (5), the outer side of the mechanism cover (1) is fixedly provided with a plate groove I (6), the inner side of the plate groove I (6) is provided with a damping block I (7), the inner part of the plate groove I (6) is fixedly connected with one end of a spring I (8), the outer side of the damping block I (7) is fixedly provided with a mounting plate I (9), the outer side of the mounting plate I (9) is reserved with a groove hole I (10), the bottom of the mechanism cover (1) is fixedly provided with a damping block II (11), the outer side of the damping block II (11) is provided with a plate groove II (12), the outer side of the plate groove II (12) is fixedly provided with a mounting plate II (13), the outer side of the mounting plate II (13) is provided with a slot hole II (14), the bottom of the damping block II (11) is fixedly provided with a rotating shaft (15), the outer side of the rotating shaft (15) is provided with a buffer plate (16), the inner side of the buffer plate (16) is provided with a connecting shaft (17), the inner side of the buffer plate (16) is provided with a spring II (18), the inner fixed mounting of the explosion-proof plate (4) is provided with a circuit breaker body (19), the rear side of the circuit breaker body (19) is provided with a vacuum arc-extinguishing chamber (20), the rear side of the circuit breaker body (19) is provided with a manual energy storage shaft (21), the rear side of the circuit breaker body (19) is provided with an energy storage indicating shaft (22), the rear side of the circuit breaker body (19) is provided with an airtight bolt (23), the rear side of the circuit breaker body (19) is provided with a separation and combination indicating shaft (24), the rear side of the circuit breaker body (19) is provided with a manual separation and combination shaft (25), the outside of manual energy storage axle (21) is provided with sealed pad (26), the front side of circuit breaker body (19) is provided with display screen (27).
2. The mining flame-proof type vacuum circuit breaker according to claim 1, characterized in that: the thickness of the explosion-proof glass (3) is 1.6 cm-1.8 cm, and the explosion-proof plate (4) is made of a galvanized steel material.
3. The mining flame-proof type vacuum circuit breaker according to claim 1, characterized in that: the damping block is characterized in that the plate groove I (6) is in sliding connection with the damping block I (7), the mounting plate I (9) is symmetrically arranged on the front side and the rear side of the damping block I (7), the groove holes I (10) are distributed at equal intervals, and the damping block I (7) is fixedly connected to the other end of the spring I (8).
4. The mining flame-proof type vacuum circuit breaker according to claim 1, characterized in that: the damping block II (11) is in sliding connection with the plate groove II (12), the two mounting plates (13) are symmetrically arranged on two sides of the plate groove II (12), the groove holes II (14) are distributed at equal intervals, and the length of the plate groove II (12) is smaller than that of the mechanism cover (1).
5. The mining flame-proof type vacuum circuit breaker according to claim 1, characterized in that: buffer board (16) are connected for rotating with pivot (15), buffer board (16) are provided with two in the outside of pivot (15), buffer board (16) are sliding connection with board groove two (12), connecting axle (17) are connected for rotating with buffer board (16).
6. The mining flame-proof type vacuum circuit breaker according to claim 1, characterized in that: the sealing gasket (26) is provided with six, and the airtight bolt (23) is connected with the vacuum arc-extinguishing chamber (20) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558313.4U CN215118757U (en) | 2021-03-18 | 2021-03-18 | Mining explosion-proof vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558313.4U CN215118757U (en) | 2021-03-18 | 2021-03-18 | Mining explosion-proof vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118757U true CN215118757U (en) | 2021-12-10 |
Family
ID=79343624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120558313.4U Active CN215118757U (en) | 2021-03-18 | 2021-03-18 | Mining explosion-proof vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215118757U (en) |
-
2021
- 2021-03-18 CN CN202120558313.4U patent/CN215118757U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114640026B (en) | Three-state combined arc extinguishing device and arc extinguishing method | |
| CN103390525A (en) | Vacuum arc-extinguishing chamber | |
| CN215118757U (en) | Mining explosion-proof vacuum circuit breaker | |
| CN111917042A (en) | 35kV sled dress integral type mobile substation | |
| WO2008080288A1 (en) | A full-insulative waterproof switch cabinet | |
| CN117595132A (en) | Ac metal enclosed fixed inflatable breaker cabinet | |
| CN113644581A (en) | Ring main unit of environment-friendly gas-insulated combined electrical apparatus | |
| CN218940310U (en) | Three-state combined arc extinguishing device | |
| CN110556265A (en) | Rotary contact structure of vacuum arc-extinguishing chamber suitable for capacitive load switching | |
| CN216289853U (en) | Cavity with explosion-proof effect | |
| CN211265337U (en) | 72.5KV explosion-proof circuit breaker | |
| CN2325867Y (en) | Outdoor high voltage loading insulation switch | |
| CN211556852U (en) | SF6 gas insulation totally enclosed type neutral point intelligent protection device | |
| CN210110636U (en) | Shell structure of outdoor boundary high-voltage alternating-current vacuum circuit breaker | |
| CN211828617U (en) | Indoor high-voltage alternating-current vacuum circuit breaker | |
| CN214099488U (en) | Self-driven vacuum double-arc-extinguishing-chamber cut-off circuit breaker | |
| CN218299699U (en) | Power distribution cabinet for improving operation safety of container type energy storage power station | |
| CN113488896B (en) | Draw-out type switch cabinet | |
| CN216648158U (en) | Wire inlet and outlet cabinet for vacuum circuit breaker | |
| CN210273197U (en) | Protection mechanism of high-voltage switch cabinet | |
| CN203406227U (en) | Vacuum arc extinguish chamber | |
| CN219575496U (en) | 72.5kV vacuum circuit breaker | |
| CN214100581U (en) | Explosion-proof cabinet body structure | |
| CN218384983U (en) | Outdoor vacuum circuit breaker convenient to installation | |
| CN215934276U (en) | 35kV inflatable switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 454650 Zone B, Tiantan Venture Park, Huling Industrial Cluster, Jiyuan City, Henan Province Patentee after: Longyuan Xinke Electric Co.,Ltd. Address before: 454650 Zone B, Tiantan Venture Park, Huling Industrial Cluster, Jiyuan City, Henan Province Patentee before: Longyuan Xinke Electric Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 454650 Zone B, Tiantan Venture Park, Huling Industrial Cluster, Jiyuan City, Henan Province Patentee after: Longyuan Xinke Electric Co.,Ltd. Address before: 454000 zone B, Tiantan entrepreneurship Park, Huling industrial agglomeration zone, Jiyuan City, Jiaozuo City, Henan Province Patentee before: Jiyuan Longyuan Electric Appliance Co.,Ltd. |