CN221322385U - Roller of coal mining machine - Google Patents
Roller of coal mining machine Download PDFInfo
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- CN221322385U CN221322385U CN202323117852.2U CN202323117852U CN221322385U CN 221322385 U CN221322385 U CN 221322385U CN 202323117852 U CN202323117852 U CN 202323117852U CN 221322385 U CN221322385 U CN 221322385U
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- roller
- coal
- coal mining
- drum
- fixed
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- 239000003245 coal Substances 0.000 title abstract description 61
- 238000005065 mining Methods 0.000 title abstract description 36
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of coal mining machines, in particular to a roller of a coal mining machine, which comprises a roller, wherein spiral sheets are fixed on the surface of the roller, cutting sheets are fixed on the surface of the spiral sheets, a rotating rod penetrates through the roller, and connecting sleeves are arranged at two ends of the rotating rod. The roller is used for a long time, after the roller is damaged by faults, the roller is convenient to detach, maintain and install, parts and components can be replaced, waste caused by whole replacement of the roller is avoided, in the roller coal mining process, the supporting rod supports and supports the surface of the roller tightly through the supporting plate, grooves on the surface of the roller are reduced, the strength of the roller is enhanced, and the roller is convenient for safe and long-term use; the spiral sheets are fixed on the surface of the roller, and the cutting sheets are uniformly fixed on the surface of the spiral sheets, so that the sharpness of the spiral sheets can be enhanced, the spiral sheets can roll and dig into the coal wall conveniently, and the roller can rapidly mine coal.
Description
Technical Field
The utility model relates to the technical field of coal mining machines, in particular to a roller of a coal mining machine.
Background
Coal is the main energy source of China, and the coal industry is an important basic industry for the relation of energy safety and national economy pulse. The coal seam with the thickness of less than 1.3m is classified into a thin coal seam in China, and the coal seam with the thickness of less than 0.8m belongs to an extremely thin coal seam.
Along with the increasing demand for coal resources, the demand for coal mining machines is inevitably increased, and most of the coal mining machines of the medium-thickness coal seam commonly used at present are double-drum coal mining machines, and a rocker arm swings in a vertical plane through a group of height-adjusting cylinders, so that the drum cutting height is changed.
The roller coal mining machine is a coal mining machine which uses a spiral roller as a working mechanism and realizes coal dropping by using a hobbing principle. When the drum rotates at a certain rotating speed and the coal mining machine runs at a certain traction speed, the drum rotates and cuts into the coal wall, the cutting picks on the spiral drum cut off the coal body from the coal wall, and the broken coal is pushed into the scraper conveyor of the working face under the action of the spiral blades.
With the increasing of the mining degree of coal mines in recent years, the performance of coal mining devices is improved, the power of coal mining machines is increased continuously, and the requirements on the drums of the coal mining machines are also increased continuously to adapt to the existing efficient mining.
For example, the prior patent publication number CN113589851a provides a control method for automatically heightening a drum of a coal mining machine, the device improves the control precision of a control system for heightening the drum of the coal mining machine, optimizes the hysteresis problem of the heightening system, effectively solves the problems of excessive cutting coal and rock of the drum and excessive waste of residual coal caused by the fact that the drum of the coal mining machine cannot be heightened in time, and improves the extraction efficiency of the drum type coal mining machine.
But the device is only suitable for improving the extraction efficiency of the drum shearer.
The surface of the drum of the existing coal mining machine is not strong enough in the process of coal mining, the hobbing depth between cutting teeth and a coal wall is shallow, the rapid coal mining is inconvenient, moreover, the drum of the coal mining machine is easy to damage and break down in the process of long-time coal mining, and the drum is inconvenient to disassemble, maintain and install.
Disclosure of utility model
The utility model aims to provide a roller of a coal mining machine, which solves the problems that the roller of the coal mining machine is easy to damage and fault in the long-time coal mining process and is inconvenient to disassemble, maintain and install.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cylinder of coal-winning machine, includes the cylinder, the fixed flight in surface of cylinder, the fixed surface of flight has the cutting piece, the inside of cylinder is passed there is the dwang, the adapter sleeve is installed at the both ends of dwang.
Preferably, the connecting sleeve is connected to two ends of the rotating rod in a sliding manner, and a first positioning hole is formed in the connecting sleeve.
Preferably, the two ends of the rotating rod are provided with second positioning holes, the second positioning holes are aligned with the first positioning holes up and down, and positioning pins penetrate through the first positioning holes and the second positioning holes.
Preferably, the outer end of the connecting sleeve is fixed with a mounting plate, and the surface of the mounting plate is provided with a mounting hole.
Preferably, connecting plates are fixed at two ends of the rotating rod, the connecting plates are installed at two ends of the roller, and first connecting holes are formed in the surfaces of the connecting plates.
Preferably, the two ends of the roller are provided with second connecting holes, the second connecting holes are aligned with the first connecting holes, and connecting bolts penetrate through the second connecting holes and the first connecting holes.
Preferably, a supporting rod is fixed on the surface of the rotating rod, a tightening plate is fixed at the outer end of the supporting rod, and the outer side of the tightening plate is in contact with the inner surface of the roller.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the rotating rod penetrates through the inside of the roller, the rotating rod is detachably connected with the two ends of the roller through the connecting plates, meanwhile, the roller can be conveniently and detachably arranged on the coal mining machine through the connecting sleeve and the mounting plate at the two ends of the rotating rod, so that the roller can be used for a long time, after the roller is damaged by faults, the roller is convenient to detach, maintain and mount, parts and parts can be replaced, waste caused by integral replacement of the roller is avoided, meanwhile, the supporting rod is fixed on the surface of the rotating rod in the roller, the supporting plate is fixed at the outer end of the supporting rod, so that the supporting rod supports and supports the surface of the roller through the supporting plate in the coal mining process of the roller, grooves on the surface of the roller are reduced, the strength of the roller is enhanced, and the roller is convenient for safe and long-term use.
2. According to the utility model, the spiral sheets are fixed on the surface of the roller, and the cutting sheets are uniformly fixed on the surface of the spiral sheets, so that the sharpness of the spiral sheets can be enhanced, the spiral sheets can be conveniently rolled and cut deep into the coal wall, and the roller can rapidly mine coal.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A of FIG. 1;
FIG. 3 is an enlarged view of the utility model at B of FIG. 1;
FIG. 4 is a partial cross-sectional view of the drum of FIG. 1 in accordance with the present utility model;
FIG. 5 is a schematic view of a portion of the mounting plate of FIG. 1 according to the present utility model.
In the figure: 1. a roller; 2. a support rod; 3. a pressing plate; 4. a rotating lever; 5. connecting sleeves; 6. a mounting plate; 7. a connecting plate; 8. a mounting hole; 9. a spiral sheet; 10. cutting the sheet; 11. a positioning pin; 12. a first positioning hole; 13. a second positioning hole; 14. a second connection hole; 15. a first connection hole; 16. and (5) connecting bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, 2, 3, 4 and 5, a drum of a coal mining machine in the drawings comprises a drum 1, wherein the drum 1 has a cylindrical structure, a spiral sheet 9 is fixed on the surface of the drum 1, and the spiral sheet 9 has a spiral structure and is used for hobbing a coal wall to mine coal.
The surface of the spiral sheet 9 is fixedly provided with cutting sheets 10, the cutting sheets 10 are of a pointed structure and are uniformly distributed on the surface of the spiral sheet 9, the sharpness of the outer side of the spiral sheet 9 is enhanced, and a roller can rapidly roll a coal wall and mine coal.
The inside of the roller 1 is penetrated with a rotating rod 4, two ends of the rotating rod 4 are slidably provided with connecting sleeves 5, the connecting sleeves 5 are of round sleeve structures, the connecting sleeves 5 are slidably inserted into two ends of the rotating rod 4, the connecting sleeves 5 are provided with first positioning holes 12, and the first positioning holes 12 are of threaded hole structures.
The two ends of the rotating rod 4 are provided with second positioning holes 13, the second positioning holes 13 and the first positioning holes 12 are aligned up and down, positioning pins 11 penetrate through the first positioning holes 12 and the second positioning holes 13, the positioning pins 11 are of screw structures and are connected with the first positioning holes 12 in a threaded fit manner, and the connecting sleeve 5 and the rotating rod 4 are convenient to detach and install.
The outer end of the connecting sleeve 5 is fixedly provided with a mounting plate 6, the mounting plate 6 is of a circular plate structure, the surface of the mounting plate 6 is provided with mounting holes 8, the roller 1 can be conveniently and detachably mounted and connected on the coal mining machine, and the roller can be conveniently and detachably maintained and replaced and mounted.
The two ends of the rotating rod 4 are fixed with connecting plates 7, the connecting plates 7 are of round plate structures, and the connecting plates 7 are arranged at the two ends of the roller 1 and block the two ends of the roller 1; the surface of the connecting plate 7 is provided with a first connecting hole 15.
The two ends of the roller 1 are provided with second connecting holes 14, the second connecting holes 14 are of threaded hole structures, the second connecting holes 14 are aligned with the first connecting holes 15, and connecting bolts 16 penetrate through the second connecting holes 14 and the first connecting holes 15 and are used for detachably connecting the connecting plate 7 and the roller 1.
The fixed surface of dwang 4 has bracing piece 2, and the outer end of bracing piece 2 is fixed with the tight board 3 in top, and tight board 3 in top is the arc structure, and the outside of tight board 3 in top and the internal surface contact of cylinder 1, be convenient for support the tight through bracing piece 2 and tight board 3 in top to the inner wall of cylinder 1, strengthen the intensity of cylinder 1, avoid cylinder 1 to avoid sunken damage.
The roller of the coal mining machine is used in the following steps: through passing dwang 4 in the inside of cylinder 1, and dwang 4 passes through connecting plate 7 and is connected with the both ends demountable installation of cylinder 1, simultaneously at dwang 4's both ends, through adapter sleeve 5 and mounting panel 6, can be convenient for install cylinder 1 demountable on the coal-winning machine.
Therefore, the roller 1 is used for a long time, after the roller is damaged by faults, the roller is convenient to detach, maintain and install, and parts can be replaced, so that the roller 1 is prevented from being wasted by being replaced integrally.
Meanwhile, inside the drum 1, the supporting rod 2 is fixed on the surface of the rotating rod 4, and the tightening plate 3 is fixed on the outer end of the supporting rod 2.
Therefore, in the coal mining process of the roller 1, the supporting rods 2 support and tightly jack the surface of the roller 1 through the jacking plate 3, grooves on the surface of the roller 1 are reduced, the strength of the roller 1 is enhanced, and the roller 1 is convenient to use safely and for a long time.
The spiral sheet 9 is fixed on the surface of the roller 1, and the cutting sheets 10 are uniformly fixed on the surface of the spiral sheet 9, so that the sharpness of the spiral sheet 9 can be enhanced, the spiral sheet 9 can be conveniently rolled and cut deep into a coal wall, and the roller 1 can rapidly coal.
It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A shearer drum comprising: the rotary drum comprises a drum body (1), wherein spiral sheets (9) are fixed on the surface of the drum body (1), cutting sheets (10) are fixed on the surface of the spiral sheets (9), a rotary rod (4) penetrates through the drum body (1), and connecting sleeves (5) are arranged at two ends of the rotary rod (4).
2. A shearer drum as claimed in claim 1, wherein: the connecting sleeve (5) is connected to the two ends of the rotating rod (4) in a sliding mode, and a first positioning hole (12) is formed in the connecting sleeve (5).
3. A shearer drum as claimed in claim 2, wherein: the two ends of the rotating rod (4) are provided with second positioning holes (13), the second positioning holes (13) are aligned with the first positioning holes (12) up and down, and positioning pins (11) penetrate through the first positioning holes (12) and the second positioning holes (13).
4. A shearer drum as claimed in claim 1, wherein: the outer end of the connecting sleeve (5) is fixedly provided with a mounting plate (6), and the surface of the mounting plate (6) is provided with a mounting hole (8).
5. A shearer drum as claimed in claim 1, wherein: the two ends of the rotating rod (4) are fixedly provided with connecting plates (7), the connecting plates (7) are arranged at the two ends of the roller (1), and the surfaces of the connecting plates (7) are provided with first connecting holes (15).
6. A shearer drum as claimed in claim 5, wherein: two ends of the roller (1) are provided with second connecting holes (14), the second connecting holes (14) are aligned with the first connecting holes (15), and connecting bolts (16) penetrate through the second connecting holes (14) and the first connecting holes (15).
7. A shearer drum as claimed in claim 1, wherein: the surface of the rotating rod (4) is fixedly provided with a supporting rod (2), the outer end of the supporting rod (2) is fixedly provided with a jacking plate (3), and the outer side of the jacking plate (3) is in contact with the inner surface of the roller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323117852.2U CN221322385U (en) | 2023-11-20 | 2023-11-20 | Roller of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323117852.2U CN221322385U (en) | 2023-11-20 | 2023-11-20 | Roller of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221322385U true CN221322385U (en) | 2024-07-12 |
Family
ID=91805949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323117852.2U Active CN221322385U (en) | 2023-11-20 | 2023-11-20 | Roller of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221322385U (en) |
-
2023
- 2023-11-20 CN CN202323117852.2U patent/CN221322385U/en active Active
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