CN211598646U - Coal mining machine - Google Patents
Coal mining machine Download PDFInfo
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- CN211598646U CN211598646U CN201921849230.XU CN201921849230U CN211598646U CN 211598646 U CN211598646 U CN 211598646U CN 201921849230 U CN201921849230 U CN 201921849230U CN 211598646 U CN211598646 U CN 211598646U
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- gear box
- traction gear
- mining machine
- coal mining
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Abstract
The utility model relates to a coal mining machine, which comprises a cutting drum, a rocker arm gear box, a crusher gear box, a left traction gear box, a right traction gear box, a supporting sliding shoe and an electric cabinet, wherein the left traction gear box and the right traction gear box are respectively provided with a driving component, the driving component comprises a driving block and a driving gear group, the driving block is respectively and fixedly connected with the left traction gear box and the right traction gear box, the driving gear group adopts a four-axis structure, and the driving block and the driving gear group are both arranged along the vertical direction, the driving gear group adopts the four-axis structure, the height of the coal mining machine is obviously improved while the gear transmission ratio is ensured, simultaneously, a brake is arranged at the tail end of a first reduction gear of the traction gear group, the braking force is large, the coal mining machine is safe and reliable, and the coal mining machine has reliable skid, the supporting sliding shoes are convenient to replace and are easy to be matched with the working surface conveyor.
Description
Technical Field
The utility model belongs to the technical field of coal mining equipment, specifically speaking relates to a coal-winning machine.
Background
The comprehensive coal mining machine is a main high-integration high-automation comprehensive mining device for mining coal in medium and thick coal seams at present. At present, all the comprehensive coal mining machines for coal mining of medium-thickness coal seams at home and abroad are rocker arm type drum coal mining machines, wherein the double-drum coal mining machine is most widely applied. Some coal seams may be up to 10m thick due to geological conditions. According to the requirement of geological conditions, the height of the coal mining machine is urgently required to be increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a coal mining machine is proposed.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a coal mining machine, includes cutting drum, rocking arm gear box, breaker gear box, left side traction gear box, right traction gear box, supports slipper and electric cabinet, left side traction gear box, right side traction gear box department all are equipped with drive assembly, drive assembly includes drive block and drive gear group, the drive block links firmly with left side traction gear box, right side traction gear box respectively, drive gear group adopts the four-axis structure, and drive block, drive gear group all set up along vertical direction.
Further, drive gear group from top to bottom includes engaged with drive wheel, first idler, second idler and rack wheel in proper order, just the rack wheel meshes with scraper conveyor's round pin rail.
Furthermore, the left traction gear box and the right traction gear box are both internally provided with traction gear sets, and output wheels of the traction gear sets are meshed with the driving wheels.
Furthermore, the tail end of a first-stage reduction gear of the traction gear set is connected with a brake valve.
Furthermore, the driving block is fixedly connected with the left traction gear box and the right traction gear box through bolts respectively.
Furthermore, the supporting skid shoes are respectively hinged with the left traction gear box and the right traction gear box through supporting legs.
Further, the rotation center of the guide support sliding shoe is coaxial with the center of the rack wheel.
Furthermore, the left traction gear box, the right traction gear box and the electric cabinet are respectively connected through bolts.
The utility model has the advantages that:
the driving gear set adopts a four-axis structure, the height of the coal mining machine is obviously improved while the gear transmission ratio is ensured, meanwhile, a brake is arranged at the tail end of a first-stage reduction gear of the traction gear set, the braking force is large, safety and reliability are realized, the coal mining machine has reliable anti-skidding capacity in coal mining under the condition of a large inclination angle, in addition, the supporting skid shoes are convenient to replace, and the supporting skid shoes are easy to match with a working face conveyor.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a drive assembly;
FIG. 3 is a schematic view of the structure of the support slipper.
In the drawings: 1-cutting drum, 2-rocker gear box, 3-crusher gear box, 4-left traction gear box, 5-right traction gear box, 6-driving component, 7-supporting sliding shoe, 8-electric cabinet, 9-driving block, 10-driving wheel, 11-first idle wheel, 12-second idle wheel, 13-gear rail wheel and 14-supporting leg.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
The first embodiment is as follows:
as shown in fig. 1-3, a coal mining machine comprises a cutting drum 1, a rocker arm gear box 2, a crusher gear box 3, a left traction gear box 4, a right traction gear box 5, a support skid shoe 7 and an electric cabinet 8. And the left traction gear box 4 and the right traction gear box 5 are both provided with a driving assembly 6. Simultaneously, left traction gear case 4, right traction gear case 5 all adopt the cast joint structure, guarantee intensity and stability, and left traction gear case 4, right traction gear case 5 pass through bolted connection respectively with electric cabinet 8 to improve wholeness and security.
Drive assembly 6 includes drive block 9 and drive gear group, drive block 9 links firmly with left traction gear case 4, right traction gear case 5 respectively through the bolt, drive gear group adopts the four-axis structure, and drive block 9, drive gear group all set up along vertical direction. The driving gear set sequentially comprises a driving wheel 10, a first idle wheel 11, a second idle wheel 12 and a rack wheel 13 which are meshed with each other from top to bottom, the rack wheel 13 is meshed with a pin rail of the scraper conveyor, and the height of the coal mining machine is remarkably improved while the gear transmission ratio is ensured. In the embodiment, the height of the machine body is 3200mm, the maximum mining height is 8800mm, the maximum bedding amount is 608mm, the diameter of the cutting drum 1 is 4500mm, the length of the rocker arm is 676mm longer than that of the existing longest rocker arm, and the thickness of the applicable coal bed is 4.5m to 8.8 m.
Meanwhile, the left traction gear box 4 and the right traction gear box 5 are both internally provided with traction gear sets, and output wheels of the traction gear sets are meshed with the driving wheels 10. The tail end of a first-stage reduction gear of the traction gear set is connected with a brake valve through a torque shaft, one end of the torque shaft is connected with an internal spline of the tail end gear of the first-stage reduction gear, and the other end of the torque shaft is connected with a brake installation spline. The supporting sliding shoes 7 are hinged with the left traction gear box 4 and the right traction gear box 5 through the supporting legs 14 respectively, replacement is convenient, the supporting of a working face conveyor is easy, and meanwhile, the rotation centers of the supporting sliding shoes 7 are coaxial with the center of the rack rail wheel 13, so that the normal meshing of the rack rail wheel 13 and the pin rail is guaranteed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. The utility model provides a coal mining machine, includes cutting drum, rocking arm gear box, breaker gear box, left traction gear box, right traction gear box, supports slipper and electric cabinet, its characterized in that, left side traction gear box, right traction gear box department all are equipped with drive assembly, drive assembly includes drive block and drive gear group, the drive block links firmly with left traction gear box, right traction gear box respectively, drive gear group adopts the four-axis structure, and drive block, drive gear group all set up along vertical direction.
2. The shearer according to claim 1, wherein the driving gear set comprises a driving wheel, a first idle wheel, a second idle wheel and a rack wheel which are meshed with each other from top to bottom, and the rack wheel is meshed with the pin rail of the scraper conveyor.
3. The coal mining machine according to claim 2, characterized in that a traction gear set is arranged inside each of the left traction gear box and the right traction gear box, and an output wheel of the traction gear set is meshed with the driving wheel.
4. The shearer loader of claim 3, wherein a brake valve is connected to an end of the first stage reduction gear of the traction gear set.
5. The shearer loader of claim 2, wherein the drive block is fixedly connected with the left traction gear box and the right traction gear box through bolts.
6. The mining machine according to any one of claims 3-5, characterized in that the supporting skid shoes are articulated with a left traction gearbox and a right traction gearbox, respectively, by means of support legs.
7. The shearer loader of claim 6, wherein the center of rotation of the support shoes is coaxial with the center of the rack wheel.
8. The coal mining machine according to claim 7, wherein the left traction gear box, the right traction gear box and the electric cabinet are respectively connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849230.XU CN211598646U (en) | 2019-10-29 | 2019-10-29 | Coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849230.XU CN211598646U (en) | 2019-10-29 | 2019-10-29 | Coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598646U true CN211598646U (en) | 2020-09-29 |
Family
ID=72586655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921849230.XU Active CN211598646U (en) | 2019-10-29 | 2019-10-29 | Coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598646U (en) |
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2019
- 2019-10-29 CN CN201921849230.XU patent/CN211598646U/en active Active
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