CN215860147U - Coal-winning machine is with removing base - Google Patents
Coal-winning machine is with removing base Download PDFInfo
- Publication number
- CN215860147U CN215860147U CN202121842284.0U CN202121842284U CN215860147U CN 215860147 U CN215860147 U CN 215860147U CN 202121842284 U CN202121842284 U CN 202121842284U CN 215860147 U CN215860147 U CN 215860147U
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- Prior art keywords
- wall surface
- wheel
- buffer
- upper wall
- worm wheel
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- 239000003245 coal Substances 0.000 claims abstract description 40
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000035939 shock Effects 0.000 claims abstract description 20
- 238000005065 mining Methods 0.000 claims description 31
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a movable base for a coal cutter, which relates to the technical field of coal cutters and comprises a machine body. Through over-and-under type crawler attachment, provide the coal-winning machine and remove the in-process and use the track, reach the quick travel, use vibration damping mount in the course of working, satisfy the shock attenuation and stabilize, protect crawler attachment's ability.
Description
Technical Field
The utility model relates to the technical field of coal mining machines, in particular to a movable base for a coal mining machine.
Background
A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused. The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. The coal mining machine is characterized in that coal is broken off from a coal body (coal breaking) and is loaded into a working face conveyor (coal loading) on a longwall coal mining working face through a working mechanism. The coal cutter runs (pulls) according to the traction speed of setting, makes broken coal and coal charging process can carry out continuously. The coal mining machine needs a base in the machining process, needs to keep the functions of shock absorption and stability, and adopts a traveling part such as a guide rail, a rolling wheel and other structures when the modern coal mining machine needs to travel and move, so that the structure usually occupies a large area and cannot be separated from the guide rail to work independently, and the coal mining machine cannot complete mining tasks under complex terrains. There is a need for a mobile base for a coal mining machine that meets the ability to move and stop working.
Like the utility model discloses in the utility model that the name is a walking wheel subassembly for coal-winning machine with buffer function, publication number is CN210660076U, designed one kind including the girder, the walking part that a plurality of action wheel connecting rods and spring cylinder and track are constituteed, be used for satisfying and compare traditional coal-winning machine walking part, the coal-winning machine trafficability characteristic that uses this walking wheel subassembly is better, when passing through the bigger ground of rugged degree, can produce the follow-up between each return pulley, reduces the cracked condition of local track because of tensile range too big leads to. However, when the coal mining machine works, the coal mining machine cannot keep the stability of the machine body in the working process, the burden on the components such as the crawler belt, the connecting rod spring cylinder and the like is increased, the service life of the components is shortened, and potential safety hazards and economic loss are brought.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a movable base for a coal mining machine, which solves the technical problem that the existing walking part can not provide a reliable damping base function in the working process.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the movable base for the coal mining machine comprises a machine body and is characterized in that a crawler lifting device is installed on the side wall surface of the machine body, a crawler buffering device is fixedly installed below the crawler lifting device, and a damping base structure is installed on the lower wall surface of the machine body.
Preferably, the crawler lifting device comprises a lifter frame and a screw rod, wherein a motor is fixedly mounted on the inner upper wall surface of the lifter frame, a worm is fixedly mounted at the driving end of the motor, a worm wheel hole is formed in the lower wall surface of the lifter frame, a first bearing is mounted on the inner upper wall surface of the lifter frame, a worm wheel is mounted on the upper wall surface of the first bearing, a worm wheel cover is fixedly mounted on the lower wall surface of the worm wheel cover, a second bearing is mounted on the inner upper wall surface of the worm wheel cover, the upper wall surface of the second bearing is mounted on the lower wall surface of the lifter frame, the worm wheel penetrates through the worm wheel hole, the worm wheel is meshed with the worm, a threaded hole is formed in the worm wheel, the screw rod is mounted in the threaded hole and meshed with the worm wheel, a screw rod hole is formed in the upper wall surface of the lifter frame, a lower buffer spring is fixedly mounted on the upper wall surface of the lifter frame, wall fixed mounting has the screw rod case on the lift frame, wall fixed mounting has last buffer spring on the screw rod incasement.
Preferably, the lower wall surface of the screw is fixedly provided with a damping backing plate, the lower wall surface of the damping backing plate is fixedly provided with a stopping box, and the upper wall surface of the stopping box is fixedly provided with a stopping box cover.
Preferably, track buffer includes track mounting and track, track mounting fixed mounting is wall under the locking case, track mounting lateral wall face fixed mounting has the track motor, track motor drive end fixed mounting has the drive wheel, track mounting lateral wall face fixed mounting has the buffer wheel roof, wall fixed mounting has the buffer wheel board under the buffer wheel roof, install the buffer wheel on the buffer wheel board, install supporting wheel on the track mounting, the track is installed in drive wheel, buffer wheel and supporting wheel periphery.
Preferably, the vibration damping mount structure includes the base, the shock attenuation groove has been seted up on the base, wall fixed mounting has the cushion cylinder on the shock attenuation inslot, wall contact under the flexible end of cushion cylinder and the organism, damping spring is installed to the flexible end of cushion cylinder, the wall is installed and is ended the piece on the shock attenuation inslot, end a piece lateral wall and install gyro wheel spring, gyro wheel spring front end articulates there is the gyro wheel, it has the connecting rod to articulate on the gyro wheel, the connecting rod other end articulates there is the shock attenuation roof, wall is wall contact under the organism on the roof, wall fixed mounting has spacing seat on the shock attenuation inslot.
Preferably, the lower wall surface of the machine body is provided with a hanging chain, and the top end of the hanging chain is hung on the upper wall surface of the base.
Advantageous effects
The utility model provides a movable base for a coal mining machine, which solves the technical problem that the existing walking part can not provide a reliable damping base function in the working process. Through over-and-under type crawler attachment, provide the coal-winning machine and remove the in-process and use the track, reach the quick travel, use vibration damping mount in the course of working, satisfy the shock attenuation and stabilize, protect crawler attachment's ability.
Drawings
Fig. 1 is a schematic structural diagram of a main view of a mobile base for a coal mining machine according to the present invention.
Fig. 2 is a schematic side sectional view of a crawler lifting device of a mobile base for a coal mining machine according to the present invention.
Fig. 3 is a schematic side view sectional structure diagram of a shock absorption base of a mobile base for a coal mining machine according to the utility model.
In the figure: 1-body; 2-elevator frame; 3-a screw; 4-a motor; 5-a worm; 6-a first bearing; 7-a worm gear; 8-worm wheel cover; 9-a second bearing; 10-screw box; 11-a shock-absorbing pad; 12-a stopper box; 13-locking the box cover; 14-a track mount; 15-caterpillar tracks; 16-a track motor; 17-a drive wheel; 18-buffer wheel top plate; 19-a buffer wheel plate; 20-a buffer wheel; 21-a support wheel; 22-a base; 23-a damping groove; 24-a cushion cylinder; 25-a stop block; 26-a roller; 27-a connecting rod; 28-a limiting seat; 29-chaining.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a movable base for a coal mining machine comprises a machine body 1 and is characterized in that a crawler lifting device is installed on the side wall surface of the machine body 1, a crawler buffering device is fixedly installed below the crawler lifting device, a damping base structure is installed on the lower wall surface of the machine body 1, the crawler lifting device comprises a lifter frame 2 and a screw rod 3, a motor 4 is fixedly installed on the inner upper wall surface of the lifter frame 2, a worm 5 is fixedly installed at the driving end of the motor 4, a worm wheel hole is formed in the lower wall of the lifter frame 2, a first bearing 6 is installed on the inner upper wall surface of the lifter frame 2, a worm wheel 7 is installed on the upper wall surface of the first bearing 6, a worm wheel cover 8 is fixedly installed on the lower wall surface of the worm wheel 7, a second bearing 9 is installed on the inner upper wall surface of the worm wheel cover 8, an upper wall surface of the second bearing 9 is installed on the lower wall surface of the lifter frame 2, and the worm wheel 7 penetrates through the worm wheel hole, the worm wheel 7 is meshed with the worm 5, a threaded hole is formed in the worm wheel 7, the screw rod 3 is arranged in the threaded hole and meshed with the worm wheel 7, a screw rod hole is formed in the upper wall of the elevator frame 2, the screw rod 3 penetrates through the screw rod hole, a lower buffer spring is fixedly arranged on the upper wall of the elevator frame 2, a screw rod box 10 is fixedly arranged on the upper wall of the elevator frame 2, an upper buffer spring is fixedly arranged on the inner upper wall of the screw rod box 10, a shock absorption backing plate 11 is fixedly arranged on the lower wall of the screw rod 3, a stop box 12 is fixedly arranged on the lower wall of the shock absorption backing plate 11, a stop box cover 13 is fixedly arranged on the upper wall of the stop box 12, the track buffer device comprises a track mounting frame 14 and a track 15, the track mounting frame 14 is fixedly arranged on the lower wall of the stop box 12, and a track motor 16 is fixedly arranged on the side wall of the track mounting frame 14, the driving end of the track motor 16 is fixedly provided with a driving wheel 17, the side wall surface of the track mounting rack 14 is fixedly provided with a buffer wheel top plate 18, the lower wall surface of the buffer wheel top plate 18 is fixedly provided with a buffer wheel plate 19, the buffer wheel plate 19 is provided with a buffer wheel 20, the track mounting rack 14 is provided with a supporting wheel 21, the track 15 is arranged at the periphery of the driving wheel 17, the buffer wheel 20 and the supporting wheel 21, the shock absorption base structure comprises a base 22, the base 22 is provided with a shock absorption groove 23, the upper wall surface of the shock absorption groove 23 is fixedly provided with a buffer cylinder 24, the telescopic end of the buffer cylinder 24 is contacted with the lower wall surface of the machine body 1, the telescopic end of the buffer cylinder 24 is provided with a shock absorption spring, the upper wall surface of the shock absorption groove 23 is provided with a stop block 25, the side wall surface of the stop block 25 is provided with a roller spring, and the front end of the roller spring is hinged with a roller 26, the upper portion of the roller 26 is hinged with a connecting rod 27, the other end of the connecting rod 27 is hinged with a damping top plate, the upper wall surface of the damping top plate is in contact with the lower wall surface of the machine body 1, a limiting seat 28 is fixedly mounted on the inner upper wall surface of the damping groove 23, a hanging chain 29 is mounted on the lower wall surface of the machine body 1, and the top end of the hanging chain 29 is hung on the upper wall surface of the base 22.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
Example (b): as can be seen from the attached figures 1-3, all the electric appliances such as the motor 4, the track motor 16 and the like are disclosed and are electrically connected with an external controller through wires. When the coal mining machine needs to work, the structure of the crawler belt is lifted, the motor 4 starts to work at the moment to drive the worm 5 to rotate, the worm 5 drives the worm wheel 6 meshed and linked with the worm 5 to rotate, and the force borne by the worm wheel 6 is completely borne by the elevator frame 2, the first bearing 6 or the second bearing 9 in the lifting or supporting movement process. The screw rod 3 moves up and down in the worm wheel 6 through threaded connection, the upper spring and the lower spring of the screw rod box 10 and the elevator frame 2 limit and buffer, the lower end of the screw rod 3 drives the stop box 12 and the crawler belt mounting frame 14 to move up and down, and the crawler belt is integrally moved to the required height. During the working process, the bottom surface of the crawler 15 is higher than the lower wall surface of the base 22, the shock and the force received by the crawler 15 are absorbed and converted by the buffer cylinder 24, the roller 26 and the roller spring, so as to achieve the purpose of shock absorption.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (6)
1. The movable base for the coal mining machine comprises a machine body (1) and is characterized in that a crawler lifting device is installed on the side wall surface of the machine body (1), a crawler buffering device is fixedly installed below the crawler lifting device, and a damping base structure is installed on the lower wall surface of the machine body (1).
2. The mobile base for the coal mining machine according to claim 1, wherein the crawler lifting device comprises a lifter frame (2) and a screw (3), a motor (4) is fixedly mounted on the inner upper wall surface of the lifter frame (2), a worm (5) is fixedly mounted on the driving end of the motor (4), a worm wheel hole is formed in the lower wall of the lifter frame (2), a first bearing (6) is mounted on the inner upper wall surface of the lifter frame (2), a worm wheel (7) is mounted on the upper wall surface of the first bearing (6), a worm wheel cover (8) is fixedly mounted on the lower wall surface of the worm wheel (7), a second bearing (9) is mounted on the inner upper wall surface of the worm wheel cover (8), an upper wall surface of the second bearing (9) is mounted on the lower wall surface of the lifter frame (2), the worm wheel (7) penetrates through the worm wheel hole, and the worm wheel (7) is meshed with the worm (5), set up the screw hole in worm wheel (7), screw rod (3) are installed and are connected with worm wheel (7) meshing in the screw hole, the screw rod hole has been seted up to elevator frame (2) upper wall, screw rod (3) run through the screw rod hole, wall fixed mounting has lower buffer spring on elevator frame (2), wall fixed mounting has screw rod case (10) on elevator frame (2), wall fixed mounting has last buffer spring in screw rod case (10).
3. The mobile base for the coal mining machine is characterized in that a shock absorption pad (11) is fixedly installed on the lower wall surface of the screw rod (3), a stop box (12) is fixedly installed on the lower wall surface of the shock absorption pad (11), and a stop box cover (13) is fixedly installed on the upper wall surface of the stop box (12).
4. A mobile chassis for a coal mining machine according to claim 3, characterized in that the track buffer comprises a track mount (14) and a track (15), the crawler mounting frame (14) is fixedly arranged on the lower wall surface of the stop box (12), a crawler motor (16) is fixedly arranged on the side wall surface of the crawler mounting frame (14), a driving wheel (17) is fixedly installed at the driving end of the track motor (16), a buffer wheel top plate (18) is fixedly installed on the side wall surface of the track mounting frame (14), a buffer wheel plate (19) is fixedly arranged on the lower wall surface of the buffer wheel top plate (18), the buffer wheel plate (19) is provided with a buffer wheel (20), the crawler mounting frame (14) is provided with a supporting wheel (21), the crawler belt (15) is arranged on the periphery of the driving wheel (17), the buffer wheel (20) and the supporting wheel (21).
5. The mobile substructure for a coal mining machine according to claim 1, characterized in that the shock-absorbing substructure structure comprises a substructure (22), a damping groove (23) is arranged on the base (22), a buffer cylinder (24) is fixedly arranged on the inner upper wall surface of the damping groove (23), the telescopic end of the buffer cylinder (24) is contacted with the lower wall surface of the machine body (1), the telescopic end of the buffer cylinder (24) is provided with a damping spring, a stop block (25) is arranged on the inner upper wall surface of the damping groove (23), a roller spring is arranged on the side wall surface of the stop block (25), the front end of the roller spring is hinged with a roller (26), the roller (26) is hinged with a connecting rod (27), the other end of the connecting rod (27) is hinged with a damping top plate, the upper wall surface of the damping top plate is contacted with the lower wall surface of the machine body (1), and a limiting seat (28) is fixedly arranged on the inner upper wall surface of the damping groove (23).
6. The mobile base for the coal mining machine is characterized in that a hanging chain (29) is installed on the lower wall surface of the machine body (1), and the top end of the hanging chain (29) is hung on the upper wall surface of the base (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121842284.0U CN215860147U (en) | 2021-08-09 | 2021-08-09 | Coal-winning machine is with removing base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121842284.0U CN215860147U (en) | 2021-08-09 | 2021-08-09 | Coal-winning machine is with removing base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860147U true CN215860147U (en) | 2022-02-18 |
Family
ID=80326943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121842284.0U Expired - Fee Related CN215860147U (en) | 2021-08-09 | 2021-08-09 | Coal-winning machine is with removing base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860147U (en) |
-
2021
- 2021-08-09 CN CN202121842284.0U patent/CN215860147U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |