CN202997385U - Explosion-proof cabinet power distribution device pneumatic propulsion mechanism - Google Patents
Explosion-proof cabinet power distribution device pneumatic propulsion mechanism Download PDFInfo
- Publication number
- CN202997385U CN202997385U CN 201220676198 CN201220676198U CN202997385U CN 202997385 U CN202997385 U CN 202997385U CN 201220676198 CN201220676198 CN 201220676198 CN 201220676198 U CN201220676198 U CN 201220676198U CN 202997385 U CN202997385 U CN 202997385U
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- Prior art keywords
- cabinet
- shaft
- transmission
- power distribution
- pneumatic
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- Expired - Fee Related
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Abstract
The utility model discloses an explosion-proof cabinet power distribution device pneumatic propulsion mechanism. The explosion-proof cabinet power distribution device pneumatic propulsion mechanism comprises a propulsion shaft which is installed on the cabinet body, one end of the propulsion shaft is extended into the cabinet body, the other end of the propulsion shaft is extended out from the cabinet body, the extending-in end of the propulsion shaft is installed with a dial plate and a driven chain wheel, and the cabinet body is installed with two position limit switches along the moving direction of the dial plate, the end portion of the extending-in end of the propulsion shaft is installed with a revolute pair for driving a circuit breaker switch to cause the circuit breaker switch to be pulled in and pulled out, the portion of the cabinet which is located at the propulsion shaft side is installed with a transmission shaft which is matched with the propulsion shaft, the extending-in end of the transmission shaft is installed with an overrunning clutch corresponding to the driven chain wheel, a driving chain wheel is installed on the overrunning clutch, the driving chain wheel and the driven chain wheel are in transmission matching through a transmission chain, the extending-out end of the transmission shaft is rotatably installed with a worm and gear reducer, and the worm and gear reducer is driven by a pneumatic motor. According to the explosion-proof cabinet power distribution device pneumatic propulsion mechanism of the utility model, the advantage of good explosion-proof performance can be realized, the pneumatic motor is used as a power source, so the power can be acquired conveniently, stepless speed regulation can be performed, the advantage of safe operation can be realized, and an integrated structure in which the manual driving mode and the pneumatic driving mode are combined can also be realized at the same time.
Description
Technical field
The utility model relates to the propulsion plant of PBG series flame proof cabinet interior distribution device, relates in particular to the pneumatic propulsive mechanism of a kind of flame proof cabinet power distribution equipment.
Background technology
Power distribution equipment in existing PBG series flame proof cabinet is advanced in cabinet by manual or electronic mostly.Wherein, manually propulsion mode is wasted time and energy, and labour intensity is large; Electronic propulsion mode adopts the electronic propulsive mechanism of condenser type mostly, the inner space is large but this propulsive mechanism accounts for the flame proof cabinet, and cost is high, needs to do in addition discharge process before promotion, operation sequence is complicated, and external power supply also has with requirement of explosion proof and conflicts.
The utility model content
The purpose of this utility model is in order to make up the deficiency of prior art, provide a kind of flame proof cabinet power distribution equipment pneumatic propulsive mechanism, simple in structure, rapid operation, explosion-proof performance are good, with air motor as driving power, by turbine worm reducer, power transmission shaft, chain and sprocket, transmission is reached cardan shaft, put in place to promote circuit breaker, realized simultaneously manual and pneumatic combination.
The utility model is achieved through the following technical solutions:
the pneumatic propulsive mechanism of a kind of flame proof cabinet power distribution equipment, include the cardan shaft that is arranged on cabinet, and an end of cardan shaft stretches in cabinet, the other end stretches out outside cabinet, it is characterized in that: the inserting end of described cardan shaft is equipped with plate and driven sprocket, and along the plate traffic direction, two limit switches are installed on cabinet, the inserting end end of described cardan shaft is equipped with and drives killer switch and advance, the revolute pair of releasing, the power transmission shaft that cardan shaft coordinates is installed on the cabinet of described cardan shaft one side, the inserting end of described power transmission shaft is equipped with the freewheel clutch corresponding with driven sprocket, on described freewheel clutch, drive sprocket is installed, coordinate by the driving-chain transmission between described drive sprocket and driven sprocket, the external part transmission of described power transmission shaft is equipped with turbine worm reducer, described turbine worm reducer is driven by air motor.
Whether the angle between described two limit switches is advancing to the position according to circuit breaker is determined.
Described revolute pair includes rotating shaft, the two ends of described rotating shaft are installed with respectively corresponding left and right connecting lever, the end of described left and right connecting lever is respectively equipped with the bearing pin that coordinates with the hold-down hook of cabinet inner breaker switch, another transmission crank arm is installed in described rotating shaft, described transmission crank arm is arranged on an end of connecting rod, the other end of described connecting rod is equipped with the main transmission connecting lever that coordinates with transmission crank arm, and described main transmission connecting lever is fixedly mounted on impeller-hub inserting end end.
Described rotating shaft two ends are rotatably installed in respectively on fixed block, bottom described fixed block is fixedly mounted on respectively after cabinet.
The external part end of described cardan shaft is provided with the spanner section of clamping, and the cross section of the spanner section of clamping is square, triangle, square or hexagon.
Its principle is: former manual propelling flame proof cabinet propulsion method be with special spanner just (instead) rotate cardan shaft and advance (release) purpose to reach circuit breaker in cabinet.cabinet is installed the air motor outputting power outward now, by turbine worm reducer, rotation is passed to power transmission shaft, power transmission shaft end in cabinet is equipped with freewheel clutch, when power transmission shaft rotates, when freewheel clutch is in attracting state, freewheel clutch and drive sprocket interlock, drive sprocket will rotate through driving-chain and pass to driven sprocket, driven sprocket drives cardan shaft and rotates, thereby drive the revolute pair operation, because the hold-down hook of the killer switch in cabinet is hooked in a revolute pair left side, turn right on the bearing pin of arm, can be driven by revolute pair propelling and the release of killer switch.Control by control module the rotating that electromagnetic reverse valve is realized air motor in process, described plate is spacing by limit switch, signal put in place to control switch by the limit switch transmission, realize the positive and negative rotation of cardan shaft, reaching propelling and the release of killer switch in cabinet, when air motor out of service, when freewheel clutch is in released state, the hand-holdable spanner that coordinates with the spanner section of clamping of cardan shaft carries out palm, has realized the integral structure of manual, pneumatic two kinds of driving combinations.
The utility model has the advantages that:
The utility model is simple in structure, explosion-proof performance good; adopt air motor as power; the compressed gas pipeline at employing mine scene is as the source of the gas of air motor; power obtains conveniently; and but air motor has stepless time adjustment; work safety, multiplex in abominable operational environment; overload protection is arranged; higher staring torque is arranged; the advantages such as volume is little, simple to operate, easy to maintenance; and air motor is placed on outside cabinet, saved space in cabinet, also realized simultaneously the integral structure of manual, pneumatic two kinds of driving combinations.
Description of drawings
Fig. 1 is utility model partial structurtes schematic diagrames.
Fig. 2 is the utility model partial sectional view.
Fig. 3 is the structural representation that the utility model revolute pair coordinates with cardan shaft.
Embodiment
referring to accompanying drawing, the pneumatic propulsive mechanism of a kind of flame proof cabinet power distribution equipment, include the cardan shaft 10 that is arranged on cabinet, and an end of cardan shaft 10 stretches in cabinet, the other end stretches out outside cabinet, the inserting end of cardan shaft 10 is equipped with plate 3 and driven sprocket 4, and along plate 3 traffic directions, two limit switches 5 are installed on cabinet, the inserting end end of cardan shaft 10 is equipped with and drives killer switch and advance, the revolute pair of releasing, the power transmission shaft 8 that cardan shaft coordinates is installed on the cabinet of cardan shaft one side, the inserting end of power transmission shaft 8 is equipped with the freewheel clutch corresponding with driven sprocket 49, drive sprocket 1 is installed on freewheel clutch 9, coordinate by driving-chain 2 transmissions between drive sprocket 1 and driven sprocket 4, the external part transmission of power transmission shaft 8 is equipped with turbine worm reducer 6, turbine worm reducer 6 is driven by air motor 7, whether the angle between two limit switches 5 is advancing to the position according to circuit breaker is determined, revolute pair includes rotating shaft 16, the two ends of rotating shaft 16 are installed with respectively corresponding left and right connecting lever 15,18, left and right connecting lever 15,18 end are respectively equipped with the bearing pin 17 that coordinates with the hold-down hook of cabinet inner breaker switch, another transmission crank arm 13 is installed in rotating shaft 16, transmission crank arm 13 is arranged on an end of connecting rod 12, the other end of connecting rod 12 is equipped with the main transmission connecting lever 11 that coordinates with transmission crank arm 13, and main transmission connecting lever 11 is fixedly mounted on the inserting end end of impeller-hub 10, rotating shaft 16 two ends are rotatably installed in respectively on fixed block 14, bottom fixed block 14 is fixedly mounted on respectively after cabinet, the external part end of cardan shaft 10 is provided with the spanner section of clamping, and the cross section of the spanner section of clamping is square, triangle, square or hexagon.
Claims (5)
1. pneumatic propulsive mechanism of flame proof cabinet power distribution equipment, include the cardan shaft that is arranged on cabinet, and an end of cardan shaft stretches in cabinet, the other end stretches out outside cabinet, it is characterized in that: the inserting end of described cardan shaft is equipped with plate and driven sprocket, and along the plate traffic direction, two limit switches are installed on cabinet, the inserting end end of described cardan shaft is equipped with and drives killer switch and advance, the revolute pair of releasing, the power transmission shaft that cardan shaft coordinates is installed on the cabinet of described cardan shaft one side, the inserting end of described power transmission shaft is equipped with the freewheel clutch corresponding with driven sprocket, on described freewheel clutch, drive sprocket is installed, coordinate by the driving-chain transmission between described drive sprocket and driven sprocket, the external part transmission of described power transmission shaft is equipped with turbine worm reducer, described turbine worm reducer is driven by air motor.
2. the pneumatic propulsive mechanism of flame proof cabinet power distribution equipment according to claim 1, it is characterized in that: whether the angle between described two limit switches is advancing to the position according to circuit breaker is determined.
3. the pneumatic propulsive mechanism of flame proof cabinet power distribution equipment according to claim 1, it is characterized in that: described revolute pair includes rotating shaft, the two ends of described rotating shaft are installed with respectively corresponding left and right connecting lever, the end of described left and right connecting lever is respectively equipped with the bearing pin that coordinates with the hold-down hook of cabinet inner breaker switch, another transmission crank arm is installed in described rotating shaft, described transmission crank arm is arranged on an end of connecting rod, the other end of described connecting rod is equipped with the main transmission connecting lever that coordinates with transmission crank arm, and described main transmission connecting lever is fixedly mounted on impeller-hub inserting end end.
4. the pneumatic propulsive mechanism of flame proof cabinet power distribution equipment according to claim 3 is characterized in that: described rotating shaft two ends are rotatably installed in respectively on fixed block, and described fixed block is fixedly mounted on respectively bottom after cabinet.
5. the pneumatic propulsive mechanism of flame proof cabinet power distribution equipment according to claim 1 is characterized in that: the external part end of described cardan shaft is provided with the spanner section of clamping, and the cross section of the spanner section of clamping is square, triangle, square or hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676198 CN202997385U (en) | 2012-12-10 | 2012-12-10 | Explosion-proof cabinet power distribution device pneumatic propulsion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676198 CN202997385U (en) | 2012-12-10 | 2012-12-10 | Explosion-proof cabinet power distribution device pneumatic propulsion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997385U true CN202997385U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676198 Expired - Fee Related CN202997385U (en) | 2012-12-10 | 2012-12-10 | Explosion-proof cabinet power distribution device pneumatic propulsion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022919A (en) * | 2012-12-10 | 2013-04-03 | 安徽龙波电气有限公司 | Pneumatic propulsion mechanism for explosionproof cabinet power distribution device |
-
2012
- 2012-12-10 CN CN 201220676198 patent/CN202997385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022919A (en) * | 2012-12-10 | 2013-04-03 | 安徽龙波电气有限公司 | Pneumatic propulsion mechanism for explosionproof cabinet power distribution device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151106 Address after: 235000 Longhu Industrial Park, Huaibei Economic Development Zone, Anhui Patentee after: Anhui Taipu Automatic Electric Co. Ltd. Address before: 235000 No. 156 Huaihai East Road, Longhu Industrial Park, Huaibei economic and Technological Development Zone, Anhui, China Patentee before: Anhui Longpo Electrical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |