CN218935212U - Special-shaped structure walking speed reducer for continuous miner crawler belt driving and continuous miner - Google Patents
Special-shaped structure walking speed reducer for continuous miner crawler belt driving and continuous miner Download PDFInfo
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- CN218935212U CN218935212U CN202222851639.3U CN202222851639U CN218935212U CN 218935212 U CN218935212 U CN 218935212U CN 202222851639 U CN202222851639 U CN 202222851639U CN 218935212 U CN218935212 U CN 218935212U
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Abstract
The utility model provides a continuous miner crawler drive is with special-shaped structure walking reduction gear and continuous miner, belongs to coal-winning machine technical field, wherein, continuous miner crawler drive is with special-shaped structure walking reduction gear includes first reduction gear, second reduction gear, the third reduction gear that connects gradually, first reduction gear and third reduction gear set up in the same side of second reduction gear, and with second reduction gear mutually perpendicular, the output of first reduction gear is connected with the input transmission of second reduction gear, the output of second reduction gear is connected with the input transmission of third reduction gear, the output of third reduction gear is mutually perpendicular with the axis of the input of first reduction gear, so that the direction of first reduction gear input is unanimous with track length direction, thereby make the driving motor who links to each other with first reduction gear input be located the track top, can not occupy the space between two tracks, in order to provide the space for the installation of other parts on the tracked vehicle, further improvement tracked vehicle space utilization.
Description
Technical Field
The utility model belongs to the technical field of coal mining machines, and particularly relates to a special-shaped structure walking speed reducer for continuous coal mining machine crawler driving and a continuous coal mining machine.
Background
The existing continuous miner crawler traveling driving system mostly adopts a motor accelerator transmission structure, is suitable for a crawler with smaller traction force, the motor reducer body is of a coaxial structure, is short in length and is directly arranged on a crawler driving wheel, when the traction force is increased, the motor reducer driving structure is not suitable any more, and only the structure of a multi-stage transmission reducer with a speed ratio increased by a variable frequency motor can realize 100-ton traction force.
In the prior art, the Chinese patent of patent number CN202011157964.9 discloses a speed reducer and a coal mining machine with the speed reducer, in the scheme, after the speed reducer is arranged on a crawler driving wheel, because the direction of the input end of the speed reducer is vertical to the length direction of the crawler, a driving motor connected with the input end of the speed reducer extends towards the inner side of the crawler, and the speed reducer occupies the space between two crawlers and cannot reserve space for the installation of other components on the crawler.
Disclosure of Invention
In view of the above, the utility model provides the special-shaped structure walking reducer for the continuous miner crawler belt driving, which is arranged on the crawler belt driving wheel of the continuous miner, does not occupy the space between two crawler belts, leaves space for other parts on the crawler belt, and further improves the space utilization rate of the crawler belt.
The utility model further provides a continuous miner.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a continuous miner is special-shaped structure walking reduction gear for track drive, includes first reduction gear, second reduction gear, the third reduction gear that connects gradually, first reduction gear and third reduction gear set up in the same side of second reduction gear, and with second reduction gear mutually perpendicular, the output of first reduction gear is connected with the input transmission of second reduction gear, the output of second reduction gear is connected with the input transmission of third reduction gear, the output of third reduction gear is mutually perpendicular with the axis of the input of first reduction gear.
Preferably, the first speed reducer comprises a first box body, a bevel gear pair arranged in the first box body, a high-speed planetary gear transmission mechanism and a low-speed planetary gear transmission mechanism, wherein the output end of the bevel gear pair is connected with the sun gear of the high-speed planetary gear transmission mechanism through a coupling, the planet carrier output end of the high-speed planetary gear transmission mechanism is connected with the sun gear of the low-speed planetary gear transmission mechanism through a coupling, and the planet carrier output end of the low-speed planetary gear transmission mechanism is in transmission connection with the input end of the second speed reducer.
Preferably, the second speed reducer comprises a second box body, two large cylindrical gears and a small cylindrical gear, wherein the two large cylindrical gears and the small cylindrical gear are arranged in the second box body, the two large cylindrical gears are arranged on two sides of the small cylindrical gear side by side, the large cylindrical gears are connected with the small cylindrical gears in a meshed mode, a wheel shaft of the large cylindrical gear close to the first speed reducer is connected with a sun gear of the low-speed planetary gear transmission pair through a coupling, and a wheel shaft of the large cylindrical gear close to the third speed reducer is connected with an input end of the third speed reducer in a transmission mode.
Preferably, the third speed reducer comprises a third box body and a primary planetary gear transmission mechanism arranged in the third box body, and a sun gear of the primary planetary gear transmission mechanism is connected with a wheel shaft of a large cylindrical gear of the second speed reducer through a coupler.
Preferably, the output end of the first speed reducer and the input end of the second speed reducer are respectively provided with a sealing element, and the first speed reducer and the second speed reducer are separated into two independent cavities through the sealing elements.
The continuous miner is provided with the special-shaped structure walking speed reducer for the continuous miner crawler driving, and the output end of the special-shaped structure walking speed reducer for the continuous miner crawler driving is in transmission connection with the crawler driving wheel of the continuous miner crawler, so that the rotating speed of the crawler driving wheel is reduced through the special-shaped structure walking speed reducer for the continuous miner crawler driving.
According to the technical scheme, the special-shaped structure walking speed reducer for the continuous miner crawler belt driving and the continuous miner are provided, wherein the special-shaped structure walking speed reducer for the continuous miner crawler belt driving comprises a first speed reducer, a second speed reducer and a third speed reducer which are sequentially connected, the first speed reducer and the third speed reducer are arranged on the same side of the second speed reducer and are mutually perpendicular to the second speed reducer, the output end of the first speed reducer is in transmission connection with the input end of the second speed reducer, the output end of the second speed reducer is in transmission connection with the input end of the third speed reducer, and the output end of the third speed reducer is mutually perpendicular to the axis of the input end of the first speed reducer. During operation, the second speed reducer is vertically placed, the output end of the third speed reducer positioned at the lower end of the second speed reducer is connected with the crawler driving wheel and used for driving the crawler driving wheel to rotate, the input end of the first speed reducer positioned at the upper end of the second speed reducer is connected with the output end of the driving motor and used for inputting torque, and the direction of the input end of the first speed reducer is consistent with the length direction of the crawler due to the fact that the output end of the third speed reducer is mutually perpendicular to the axis of the input end of the first speed reducer, and then the driving motor is positioned above the crawler, so that the space between the two crawlers is not occupied, space is provided for installation of other parts on the crawler, and the space utilization rate of the crawler is further improved. The continuous miner provided by the utility model also has the technical effects of the special-shaped structure walking speed reducer for driving the continuous miner crawler belt.
Drawings
Fig. 1 is a schematic perspective view of a walking reducer with a special-shaped structure for driving a continuous miner crawler belt.
Fig. 2 is a cross-sectional view of a profiled running gear for continuous miner track drive.
Fig. 3 is a schematic diagram of the use of a special-shaped traveling reducer for continuous miner crawler drive.
In the figure: the special-shaped structure walking speed reducer 100 for continuous miner crawler belt driving, a first speed reducer 10, a first box 11, a bevel gear pair 12, a high-speed planetary gear transmission mechanism 13, a low-speed planetary gear transmission mechanism 14, a sealing member 141, a second speed reducer 20, a second box 21, a large cylindrical gear 22, a small cylindrical gear 23, a third speed reducer 30, a third box 31, a primary planetary gear transmission mechanism 32, a driving motor 200 and a crawler belt driving wheel 300.
Detailed Description
The technical scheme and technical effects of the embodiments of the present utility model are further described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the utility model provides a walking reducer 100 with a special-shaped structure for continuous miner crawler belt driving, which comprises a first reducer 10, a second reducer 20 and a third reducer 30 which are sequentially connected, wherein the first reducer 10 and the third reducer 30 are arranged on the same side of the second reducer 20 and are mutually perpendicular to the second reducer 20, the output end of the first reducer 10 is in transmission connection with the input end of the second reducer 20, the output end of the second reducer 20 is in transmission connection with the input end of the third reducer 30, and the output end of the third reducer 30 is mutually perpendicular to the axis of the input end of the first reducer 10. During operation, the second speed reducer 20 is vertically placed, the output end of the third speed reducer 30 positioned at the lower end of the second speed reducer 20 is connected with the crawler driving wheel 300 and used for driving the crawler driving wheel 300 to rotate, the input end of the first speed reducer 10 positioned at the upper end of the second speed reducer 20 is connected with the output end of the driving motor 200 and used for inputting torque, and the direction of the input end of the first speed reducer 10 is consistent with the length direction of the crawler due to the fact that the output end of the third speed reducer 30 is perpendicular to the axis of the input end of the first speed reducer 10, and then the driving motor 200 is positioned above the crawler, so that the space between the two crawlers is not occupied, space is provided for installation of other components on the crawler, and space utilization rate of the crawler is further improved.
Specifically, the first reducer 10 includes a first box 11, a bevel gear pair 12 disposed in the first box 11, a high-speed planetary gear transmission mechanism 13, and a low-speed planetary gear transmission mechanism 14, where an output end of the bevel gear pair 12 is connected with a sun gear of the high-speed planetary gear transmission mechanism 13 through a coupling, and an output end of a planet carrier of the high-speed planetary gear transmission mechanism 13 is connected with a sun gear of the low-speed planetary gear transmission mechanism 14 through a coupling, and an output end of a planet carrier of the low-speed planetary gear transmission mechanism 14 is in transmission connection with an input end of the second reducer 20.
The large bevel gear and the small bevel gear of the bevel gear pair 12 are in meshed transmission, the wheel shaft of the small bevel gear is connected with the output end of the driving motor 200, the driving motor 200 drives the small bevel gear to rotate when working, the large bevel gear is driven to rotate when the small bevel gear rotates, the large bevel gear rotates to drive the sun gear of the high-speed planetary gear transmission mechanism 13 to rotate, the planet carrier of the high-speed planetary gear transmission mechanism 13 is driven to rotate, the sun gear of the low-speed planetary gear transmission mechanism 14 is driven to rotate, the planet carrier of the high-speed planetary gear transmission mechanism 13 is driven to rotate, and the output end of the planet carrier of the low-speed planetary gear transmission mechanism 14 transmits torque to the input end of the second speed reducer 20 to transmit the torque to the second speed reducer 20. The transmission speed ratio is increased by the two-stage planetary transmission mechanism composed of the high-speed planetary transmission mechanism 13 and the low-speed planetary transmission mechanism 14.
Specifically, the second reducer 20 includes a second box 21, two large cylindrical gears 22 disposed in the second box 21, and a small cylindrical gear 23, where the two large cylindrical gears 22 are disposed side by side on two sides of the small cylindrical gear 23, and the large cylindrical gears 22 are engaged with the small cylindrical gears 23, and a wheel shaft of the large cylindrical gear 22 close to the first reducer 10 is connected with a sun gear of the low-speed planetary gear mechanism 14 through a coupling, and a wheel shaft of the large cylindrical gear 22 close to the third reducer 30 is connected with an input end of the third reducer 30 in a transmission manner.
Specifically, the third reducer 30 includes a third casing 31, and a primary planetary gear mechanism 32 disposed in the third casing 31, where a sun gear of the primary planetary gear mechanism 32 is connected to an axle of the large spur gear 22 of the second reducer 20 through a coupling. The sun gear of the primary planetary gear transmission 32 is driven to rotate by rotating the wheel shaft of the large cylindrical gear 22 of the second speed reducer 20, so that the planet carrier of the primary planetary gear transmission 32 is driven to rotate, and the crawler driving wheel 300 connected with the output end of the planet carrier of the primary planetary gear transmission 32 is further driven to rotate.
Further, the output end of the first speed reducer 10 and the input end of the second speed reducer 20 are respectively provided with a sealing member 141, and the first speed reducer 10 and the second speed reducer 20 are separated into two independent cavities by the sealing member 141. In operation, since the second reducer 20 is vertically disposed, the output end of the third reducer 30 located at the lower end of the second reducer 20 is connected to the track driving wheel 300, so as to drive the track driving wheel 300 to rotate, the input end of the first reducer 10 located at the upper end of the second reducer 20 is connected to the motor, so as to input driving power, the lubricating oil in the first reducer 10 flows into the second reducer 20 and then gathers in the third reducer 30, so that the gears in the first reducer 10 cannot be lubricated, and therefore, the first reducer 10 and the second reducer 20 are separated into two independent cavities through the sealing member 141, so that lubrication of the gears in the first reducer 10 and the second reducer 20 is ensured, lubrication interaction between the first reducer 10 and the second reducer 20 is not influenced, the lubricating oil in the first reducer 10 is prevented from flowing into the second reducer 20, the second reducer 20 and the cavities of the third reducer 30 are communicated, and a large gear pool and a supporting bearing thereof are formed. Thereby ensuring that all levels of transmission parts in the walking reducer with the special-shaped structure are fully lubricated.
The continuous miner is provided with the special-shaped structure walking speed reducer 100 for the continuous miner crawler driving, and the output end of the special-shaped structure walking speed reducer 100 for the continuous miner crawler driving is in transmission connection with the crawler driving wheel 300 of the continuous miner crawler, so that the rotating speed of the crawler driving wheel is reduced through the special-shaped structure walking speed reducer 100 for the continuous miner crawler driving.
The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.
Claims (6)
1. A continuous miner crawler drive is with special-shaped structure walking reduction gear, its characterized in that: the device comprises a first speed reducer, a second speed reducer and a third speed reducer which are sequentially connected, wherein the first speed reducer and the third speed reducer are arranged on the same side of the second speed reducer and are mutually perpendicular to the second speed reducer, the output end of the first speed reducer is in transmission connection with the input end of the second speed reducer, the output end of the second speed reducer is in transmission connection with the input end of the third speed reducer, and the output end of the third speed reducer is mutually perpendicular to the axis of the input end of the first speed reducer.
2. The special-shaped structure traveling reducer for continuous miner crawler drive of claim 1, wherein: the first speed reducer comprises a first box body, a bevel gear pair, a high-speed planetary gear transmission mechanism and a low-speed planetary gear transmission mechanism, wherein the bevel gear pair, the high-speed planetary gear transmission mechanism and the low-speed planetary gear transmission mechanism are arranged in the first box body, the output end of the bevel gear pair is connected with the sun gear of the high-speed planetary gear transmission mechanism through a coupling, the planet carrier output end of the high-speed planetary gear transmission mechanism is connected with the sun gear of the low-speed planetary gear transmission mechanism through a coupling, and the planet carrier output end of the low-speed planetary gear transmission mechanism is in transmission connection with the input end of the second speed reducer.
3. The special-shaped structure traveling reducer for continuous miner crawler belt driving according to claim 2, wherein: the second speed reducer comprises a second box body, two large cylindrical gears and a small cylindrical gear, wherein the two large cylindrical gears and the small cylindrical gear are arranged in the second box body, the two large cylindrical gears are arranged on two sides of the small cylindrical gear side by side, the large cylindrical gears are connected with the small cylindrical gears in a meshed mode, a wheel shaft of the large cylindrical gear close to the first speed reducer is connected with a sun gear of the low-speed planetary gear transmission mechanism through a coupling, and a wheel shaft of the large cylindrical gear close to the third speed reducer is connected with an input end of the third speed reducer in a transmission mode.
4. The special-shaped structure traveling reducer for continuous miner crawler drive of claim 3, wherein: the third speed reducer comprises a third box body and a primary planetary gear transmission mechanism arranged in the third box body, and a sun gear of the primary planetary gear transmission mechanism is connected with a wheel shaft of a large cylindrical gear of the second speed reducer through a coupling.
5. The special-shaped structure traveling reducer for continuous miner crawler drive of claim 1, wherein: and sealing elements are respectively arranged at the output end of the first speed reducer and the input end of the second speed reducer, and the first speed reducer and the second speed reducer are separated into two independent cavities through the sealing elements.
6. A continuous miner, characterized by: a special-shaped structure traveling speed reducer for continuous miner crawler driving according to any one of claims 1 to 5 is arranged, and the output end of the special-shaped structure traveling speed reducer for continuous miner crawler driving is in transmission connection with a crawler driving wheel of the continuous miner crawler so as to reduce the rotating speed of the crawler driving wheel through the special-shaped structure traveling speed reducer for continuous miner crawler driving.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851639.3U CN218935212U (en) | 2022-10-27 | 2022-10-27 | Special-shaped structure walking speed reducer for continuous miner crawler belt driving and continuous miner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851639.3U CN218935212U (en) | 2022-10-27 | 2022-10-27 | Special-shaped structure walking speed reducer for continuous miner crawler belt driving and continuous miner |
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| Publication Number | Publication Date |
|---|---|
| CN218935212U true CN218935212U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222851639.3U Active CN218935212U (en) | 2022-10-27 | 2022-10-27 | Special-shaped structure walking speed reducer for continuous miner crawler belt driving and continuous miner |
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| Country | Link |
|---|---|
| CN (1) | CN218935212U (en) |
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2022
- 2022-10-27 CN CN202222851639.3U patent/CN218935212U/en active Active
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