CN220510605U - Manual access device of mining flameproof permanent magnet feed switch butt-joint type handcart - Google Patents
Manual access device of mining flameproof permanent magnet feed switch butt-joint type handcart Download PDFInfo
- Publication number
- CN220510605U CN220510605U CN202322142837.7U CN202322142837U CN220510605U CN 220510605 U CN220510605 U CN 220510605U CN 202322142837 U CN202322142837 U CN 202322142837U CN 220510605 U CN220510605 U CN 220510605U
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- Prior art keywords
- shaft
- circuit breaker
- butt
- shaft sleeve
- butt joint
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- 238000005065 mining Methods 0.000 title claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 37
- 241001584775 Tunga penetrans Species 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003032 molecular docking Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a manual access device of a mining flameproof permanent magnet feed switch butt-joint handcart, which comprises a cabinet door, a circuit breaker and a circuit breaker chassis, wherein the circuit breaker is arranged on the circuit breaker chassis, and a chassis operation shaft capable of controlling the circuit breaker to move forwards and backwards is arranged in the circuit breaker chassis; further comprises: the device comprises an operation shaft, a spring, a shaft sleeve and a spring baffle; the shaft sleeve is fixed on the cabinet door, a spring is arranged in the shaft sleeve, and a spring baffle is arranged at the inner end of the shaft sleeve; the operation shaft is arranged in the shaft sleeve in a penetrating way, and the spring can apply outward thrust to the operation shaft; the outer end of the operating shaft extends out of the shaft sleeve, and a first butt joint part is arranged at the inner end of the operating shaft; the inner end of the jigger operation shaft is provided with a second butt joint piece, and the first butt joint piece and the second butt joint piece can be mutually butt-jointed. The utility model can provide stable and reliable mechanical transmission, and can manually shake out the circuit breaker handcart, thereby ensuring the safety of electricity utilization.
Description
Technical Field
The utility model relates to a manual access device of a butt-joint type handcart of a mining explosion-proof permanent magnet feed switch, and belongs to the technical field of mining explosion-proof permanent magnet feed switches.
Background
The explosion-proof and intrinsically safe permanent magnet feed switch for the mine is widely applied to underground coal mines, is an important part of underground power supply systems, and provides stable and efficient electric energy for underground equipment. In the underground special environment, no matter overhauling and maintenance or other reasons need to be powered off, the mining flameproof and intrinsically safe permanent magnet feed switch needs to be in a reliable breaking state, namely the movable contact and the fixed contact are effectively separated.
In the prior art, 1. The mining flameproof and intrinsically safe feed switch is mostly fixed, namely, a circuit breaker is directly and fixedly arranged in a cabinet, an external inlet and outlet wire is directly connected to two ends of the inlet and outlet wire of the circuit breaker, no reliable disconnection point exists, and if the circuit breaker fails, the circuit breaker is always in a conducting state, so that the situation is very dangerous. 2. Even if the circuit breaker has the in-out function, only the circuit breaker is electrically in-out, and no mechanical manual in-out function which can be operated from outside exists. In case of failure of the control loop, the circuit breaker cannot be operated in and out, which is very unreliable.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the utility model provides the manual access device of the mining explosion-proof permanent magnet feed switch butt-joint type handcart, which provides stable and reliable mechanical transmission when the circuit breaker fails or a control loop fails to cause no effective disconnection point of the circuit breaker, and the handcart of the circuit breaker is manually swung out, so that the electricity safety is ensured.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the utility model is as follows:
the manual access device for the mining explosion-proof permanent magnet feed switch butt-joint type handcart comprises a cabinet door, a circuit breaker and a circuit breaker chassis, wherein the circuit breaker is arranged on the circuit breaker chassis, and a chassis operation shaft capable of controlling the circuit breaker to move back and forth is arranged in the circuit breaker chassis; characterized by further comprising: the device comprises an operation shaft, a spring, a shaft sleeve and a spring baffle; the shaft sleeve is fixed on the cabinet door, a spring is arranged in the shaft sleeve, and a spring baffle is arranged at the inner end of the shaft sleeve; the operation shaft is arranged in the shaft sleeve in a penetrating way, and the spring can apply outward thrust to the operation shaft; the outer end of the operating shaft extends out of the shaft sleeve, and a first butt joint part is arranged at the inner end of the operating shaft; the inner end of the jigger operation shaft is provided with a second butt joint piece, and the first butt joint piece and the second butt joint piece can be mutually butt-jointed.
Further, the first butt joint piece comprises a first bearing installation piece, and a sliding groove is formed in the first bearing installation piece;
the second butt joint piece comprises a second bearing installation piece and two butt joint shafts, wherein the upper end and the lower end of the bearing installation piece are respectively provided with one butt joint shaft, and the butt joint shafts can be inserted into the sliding grooves.
Further, a rotating sleeve is arranged on the butt joint shaft.
Further, a copper shaft sleeve is embedded in the shaft sleeve, and the operation shaft penetrates through the copper shaft sleeve.
Further, the outer end of the operating shaft is square.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that:
1. simple structure, stability and reliability.
2. And the safety of personnel is ensured by external operation.
3. The problem of concentricity of the butt joint can be effectively compensated, the butt joint is easy, reliable rotation force transmission is realized, and the operation is smooth and free from jamming.
4. Automatic rebound can prevent misoperation.
5. And the zinc plating treatment is carried out, the butt joint part is formed by the contact of the rotating sleeve and the surface, so that the abrasion is reduced, and the service life of the workpiece is long.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is an overall schematic diagram of a permanent magnet feed switch in an embodiment of the utility model.
Fig. 4 is a schematic structural view of an operating shaft according to an embodiment of the present utility model.
Fig. 5 is a schematic structural diagram of a first docking member according to an embodiment of the present utility model.
Fig. 6 is a schematic structural diagram of a second docking member according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, 2 and 3, the utility model provides a manual access device of a mining flameproof permanent magnet feed switch butt-joint handcart, which comprises a cabinet door 10, a circuit breaker 9 and a circuit breaker chassis 11, wherein the circuit breaker 9 is arranged on the circuit breaker chassis 11, and a chassis operation shaft 8 capable of controlling the circuit breaker 9 to move forwards and backwards is arranged in the circuit breaker chassis 11; further comprises: the device comprises an operation shaft 1, a spring 2, a shaft sleeve 4 and a spring baffle 5; the shaft sleeve 4 is fixed on the cabinet door 10, a spring 2 is arranged in the shaft sleeve 4, and a spring baffle 5 is arranged at the inner end of the shaft sleeve 4; the operation shaft 1 is arranged in the shaft sleeve 4 in a penetrating way, and the spring 2 can apply outward thrust to the operation shaft 1; the outer end of the operation shaft 1 extends out of the shaft sleeve 4, and a first butt joint part 6 is arranged at the inner end of the operation shaft 1; the inner end of the jigger operation shaft 8 is provided with a second butt joint piece 7, and the first butt joint piece 6 and the second butt joint piece 7 can be mutually butt-jointed.
In an embodiment, as shown in fig. 5 and fig. 6, the first docking member 6 includes a first bearing mounting member 601, and a chute 602 is provided on the first bearing mounting member 601;
the second docking member 7 comprises a second bearing mounting member 701 and two docking shafts 702, wherein one docking shaft 702 is respectively arranged at the upper end and the lower end of the bearing mounting member 701, and the docking shafts 702 can be inserted into the sliding grooves 602. The first butt joint piece 6 and the second butt joint piece 7 can effectively compensate the problem of the concentricity of butt joint, and are easy to butt joint.
In an embodiment, as shown in fig. 6, the docking shaft 702 is provided with a rotating sleeve 703, and the rotating sleeve 703 brings reliable rotation force transmission, so that the operation is smooth and no jamming occurs. The first butt joint part 6 and the second butt joint part 7 are galvanized, and the wear is reduced through the contact of the rotating sleeve 703 and the surface, so that the service life of the workpiece is long.
In one embodiment, the copper shaft sleeve 3 is embedded in the shaft sleeve 4, and the operation shaft 1 passes through the copper shaft sleeve 3, so that the operation shaft 1 can move more smoothly.
In a specific embodiment, as shown in fig. 4, the outer end of the operating shaft 1 is square, so as to be convenient for docking the special crank.
The working mode is as follows: as shown in fig. 1, a special crank is sleeved on an operation shaft 1, the special crank rotates and simultaneously presses forwards, a spring 2 compresses and simultaneously stores energy, at the moment, a first butt joint part 6 and a second butt joint part 7 are effectively jointed and butted, then the crank is rotated clockwise, a chassis operation shaft 8 is also rotated clockwise through transmission, and a circuit breaker 9 moves forwards under the drive of a circuit breaker chassis 11. Similarly, when the crank is rotated counterclockwise, the breaker 9 moves backward. The crank is released, the spring 2 releases energy storage, the spring rebounds, and the operating shaft 1 is reset.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (5)
1. The utility model provides a mining flameproof permanent magnet feed switch dock handcart manual access device, includes cabinet door (10), circuit breaker (9) and circuit breaker chassis car (11), circuit breaker (9) are installed on circuit breaker chassis car (11), be equipped with chassis car operating shaft (8) that can control circuit breaker (9) back and forth movement in circuit breaker chassis car (11); characterized by further comprising: an operation shaft (1), a spring (2), a shaft sleeve (4) and a spring baffle (5); the shaft sleeve (4) is fixed on the cabinet door (10), a spring (2) is arranged in the shaft sleeve (4), and a spring baffle (5) is arranged at the inner end of the shaft sleeve (4); the operation shaft (1) is arranged in the shaft sleeve (4) in a penetrating way, and the spring (2) can apply outward thrust to the operation shaft (1); the outer end of the operating shaft (1) extends out of the shaft sleeve (4), and a first butt joint piece (6) is arranged at the inner end of the operating shaft (1); the inner end of the jigger operation shaft (8) is provided with a second butt joint piece (7), and the first butt joint piece (6) and the second butt joint piece (7) can be mutually butt-jointed.
2. The mining flameproof permanent magnet feed switch docking handcart manual access device according to claim 1, characterized in that the first docking member (6) comprises a first bearing mounting member (601), and a chute (602) is arranged on the first bearing mounting member (601);
the second butt joint piece (7) comprises a second bearing installation piece (701) and two butt joint shafts (702), wherein the upper end and the lower end of the bearing installation piece (701) are respectively provided with one butt joint shaft (702), and the butt joint shafts (702) can be inserted into the sliding grooves (602).
3. The manual access device for the mining explosion-proof permanent magnet feed switch butt-joint type handcart, which is disclosed in claim 2, is characterized in that a rotary sleeve (703) is arranged on the butt-joint shaft (702).
4. The mining explosion-proof permanent magnet feed switch butt-joint handcart manual access device according to claim 1, wherein a copper shaft sleeve (3) is embedded in the shaft sleeve (4), and the operation shaft (1) penetrates through the copper shaft sleeve (3).
5. The manual access device for the mining explosion-proof permanent magnet feed switch butt-joint type handcart, as claimed in claim 1, is characterized in that the outer end of the operating shaft (1) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142837.7U CN220510605U (en) | 2023-08-09 | 2023-08-09 | Manual access device of mining flameproof permanent magnet feed switch butt-joint type handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142837.7U CN220510605U (en) | 2023-08-09 | 2023-08-09 | Manual access device of mining flameproof permanent magnet feed switch butt-joint type handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510605U true CN220510605U (en) | 2024-02-20 |
Family
ID=89880606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322142837.7U Active CN220510605U (en) | 2023-08-09 | 2023-08-09 | Manual access device of mining flameproof permanent magnet feed switch butt-joint type handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510605U (en) |
-
2023
- 2023-08-09 CN CN202322142837.7U patent/CN220510605U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |