CN203823026U - Cooling device for cutting unit of coal mining machine and coal mining machine - Google Patents
Cooling device for cutting unit of coal mining machine and coal mining machine Download PDFInfo
- Publication number
- CN203823026U CN203823026U CN201420172974.3U CN201420172974U CN203823026U CN 203823026 U CN203823026 U CN 203823026U CN 201420172974 U CN201420172974 U CN 201420172974U CN 203823026 U CN203823026 U CN 203823026U
- Authority
- CN
- China
- Prior art keywords
- winning machine
- cutting part
- cooling unit
- machine cutting
- ring gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 121
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title abstract 4
- 239000002826 coolant Substances 0.000 claims abstract description 44
- 239000000659 freezing mixture Substances 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a cooling device for the cutting unit of a coal mining machine and the coal mining machine. The cutting unit comprises a planetary mechanism; the cooling device comprises a cylindrical housing and a cooling channel; the annular gear of the planetary mechanism is sleeved with the housing; the cooling channel used for accommodating a coolant is formed between the annular gear and the housing. The cooling device is arranged on the planetary mechanism correspondingly, that is, on the annular gear of the planetary mechanism, so as to specially cool the planetary mechanism, effectively prevent the planetary mechanism from being over hot to damage an internal structural member or cause failure during the work of the cutting unit. Therefore, the work efficiency of the cutting unit is improved, and the service life of the cutting unit is prolonged.
Description
Technical field
The utility model relates to cooling technology, particularly a kind of winning machine cutting part cooling unit and be provided with the coal winning machine of this cooling unit.
Background technique
At present, the cutting portion of coal winning machine comprises rocking arm and cutting drum, in rocking arm housing, multi-stage gear driving system is installed, by this transmission system by the cutting motor power transmission of coal winning machine the cutting drum mechanism to cutting portion, drive cutting drum rotates, and completes the coal breakage of coal winning machine and the work of coalingging.
In the time that coal winning machine is worked; the driving component such as gear and bearing in rocking arm housing is bearing larger load; in gear member transmission process; because gear rotation can be stirred lubricant oil and produced heat; accumulation of heat can cause excess Temperature in gear cavity for a long time; lubricant oil cannot form effective lubricant film, thereby cannot ensure lubrication effect, cause the fault of transmission system to occur.Therefore the gear train assembly of rocking arm needs good cooling system, could effectively reduce the problem of rocking arm legacy system, ensures the operation that it is reliable and stable.
Rocker gear transmission system comprises the spur gear mechanism of level deceleration at a high speed and the planetary mechanism that slow speed turbine stage slows down, spur gear mechanism connects cutting motor, and occupy most of space of rocking arm, at present for rocking arm level deceleration system cooling at a high speed, the general spiral coil cooling tube that is installed on high speed axle head that adopts, or through the finned cooling pipe of whole straight-tooth drive cavity, or pass into freezing mixture and realize to being arranged in cooling water channel on rocking arm housing; And planetary mechanism is generally arranged in low speed output terminal, low speed output terminal need to connect cutting drum, planetary mechanism comprises outermost ring gear and is arranged on sun gear, planet wheel and the planet carrier of ring gear inside, due to the restriction of special construction and the restriction of the outside assembling space of planetary mechanism of planetary mechanism, do not have the reliable and effective type of cooling to carry out cooling to it for the planetary mechanism of rocking arm at present.
Therefore, need to research and develop and a kind of winning machine cutting part planetary mechanism be carried out to cooling device.
Model utility content
In view of this, the utility model proposes a kind of winning machine cutting part cooling unit, it can carry out effective cooling for the planetary mechanism of winning machine cutting part.The utility model also provides a kind of coal winning machine, and it has above-mentioned winning machine cutting part cooling unit, can carry out effective cooling to the planetary mechanism of cutting portion.
On the one hand, the utility model provides a kind of winning machine cutting part cooling unit, and described winning machine cutting part comprises planetary mechanism, and described winning machine cutting part cooling unit comprises:
Shell, described shell is tubular, is set in the ring gear outside of described planetary mechanism;
For the cooling channel that holds freezing mixture, described cooling channel is between described ring gear and described shell.
Further, described cooling channel is groove, and described groove is opened in the internal surface of described ring gear outer surface and/or described shell.
Further, described cooling channel is arranged along the axial screw of ring gear.
Further, described winning machine cutting part cooling unit has the coolant entrance that described cooling channel is communicated with external pipe, and described coolant entrance is the hole being opened on described ring gear;
Described winning machine cutting part cooling unit also has the freezing mixture that described cooling channel is communicated with external pipe and reclaims mouth, and described freezing mixture reclaims mouth for being opened in the hole on described ring gear.
Further, described coolant entrance and/or the recovery mouthful of described freezing mixture are L-type hole.
Further, described winning machine cutting part cooling unit has the coolant entrance that described cooling channel is communicated with external pipe, and described coolant entrance is the hole being opened on described ring gear;
Described winning machine cutting part cooling unit also has the coolant outlet that described cooling channel is in communication with the outside, and described coolant outlet is the hole being opened on described shell.
Further, described coolant entrance and described coolant outlet are communicated with the two ends of described cooling channel respectively, and described coolant outlet is positioned at described shell one end near the cutting drum of described cutting portion.
Further, described coolant entrance and/or described coolant outlet are L-type hole
Further, described cooling unit and described ring gear are bolted fixing or are welded and fixed.
On the other hand, the utility model also provides a kind of coal winning machine, is provided with cutting portion, and described cutting portion is provided with the winning machine cutting part cooling unit described in as above any one.
The corresponding planetary mechanism of winning machine cutting part cooling unit that the utility model provides (on ring gear) and arranging, carry out cooling to planetary mechanism specially, while effectively preventing winning machine cutting part work, the overheated inner structural members that causes of planetary mechanism is damaged or fault, improves winning machine cutting part working efficiency and working life.The pipeline communication of cooling channel in the utility model directly and on cutting portion housing, structural type is convenient to implement, and can effectively protect cooling pipe not to be subject to other structural failure.
Brief description of the drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Figure 1 shows that the structural representation of a kind of winning machine cutting part cooling unit that the utility model embodiment provides;
Figure 2 shows that A-A line sectional view in Fig. 1;
Figure 3 shows that B-B line sectional view in Fig. 1;
Figure 4 shows that the enlarged diagram in Tu3Zhong I district;
Figure 5 shows that the structural representation of the cooling channel of the cooling unit of winning machine cutting part shown in Fig. 1;
The structural representation that Figure 6 shows that the winning machine cutting part cooling unit that another embodiment of the utility model provides, its view angle is identical with the view angle of Fig. 3.
Description of reference numerals
1-shell; 2-ring gear; 3-cooling channel; 4-coolant entrance; 41-entrance radial hole; 42-entrance axial bore; 5-freezing mixture reclaims mouth; 51-reclaims a mouthful radial hole; 52-reclaims a mouthful axial bore; 6-coolant outlet; 61-exports radial hole; 62-exports axial bore; 9-bolt; 10-cutting portion housing; 11-feed liquid pipeline; 12-freezing mixture recovery channel.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
Figure 1 shows that the structural representation of a kind of winning machine cutting part cooling unit that the utility model embodiment provides; Figure 2 shows that A-A line sectional view in Fig. 1; Figure 3 shows that B-B line sectional view in Fig. 1; Figure 4 shows that the enlarged diagram in Tu3Zhong I district; Figure 5 shows that the structural representation of the cooling channel of the cooling unit of winning machine cutting part shown in Fig. 1; The structural representation that Figure 6 shows that the winning machine cutting part cooling unit that another embodiment of the utility model provides, its view angle is identical with the view angle of Fig. 3.Winning machine cutting part cooling unit of the present utility model can be used for the planetary mechanism of cooling winning machine cutting part, for the concrete structure of better showing this winning machine cutting part cooling unit with and with the annexation of cutting portion miscellaneous part, in accompanying drawing of the present utility model, also show the part-structure of winning machine cutting part.
In conjunction with shown in Fig. 1 to Fig. 5, winning machine cutting part comprises planetary mechanism, one end of planetary mechanism is connected with the housing of winning machine cutting part 10, the other end of planetary mechanism is used for connecting cutting drum, winning machine cutting part cooling unit of the present utility model comprises shell 1, this shell 1 is tubular, is set in the outside of the ring gear 2 of planetary mechanism; Also comprise the cooling channel 3 for holding freezing mixture, cooling channel 3 between ring gear 2 and shell 1, therefore, by cooling channel 3 interior infeed freezing mixture as cooling water or other cooling liquids, can be the structure coolings such as ring gear, thereby can carry out cooling to planetary mechanism.
Particularly, as shown in Figures 1 to 4, the ring gear 2 of planetary gears is connected to cutting portion 10, shell 1 is preferably fixedly connected on the outside of ring gear 2 by bolt 9, cooling channel 3 is between ring gear 2 and shell 1, and this cooling channel is the groove that is opened in ring gear 2 outer surfaces, specifically as shown in Figure 5, this groove entirety extends axially along ring gear 2, and be arranged in the shape of a spiral the outer surface of ring gear 2, also be, cooling channel 3 is arranged along the axial screw of ring gear 2, like this can covering ring gear 2 as much as possible, to be the freezing mixture more surface of ring gear 2 of can flowing through passing into after freezing mixture, make cooling effect better.
Freezing mixture can be contained in cooling channel 3 in advance, also can in cooling channel 3, provide mobile freezing mixture.In Fig. 3, also show the coolant entrance 4 of this winning machine cutting part cooling unit, coolant entrance 4, for being opened in the hole on ring gear 2, is communicated with cooling channel 3 with external pipe; For ease of offer through hole on ring gear 2, coolant entrance 4 is preferably L-type hole, comprise the entrance radial hole 41 and the entrance axial bore 42 that are interconnected, entrance radial hole 41 is communicated with cooling channel 3, and entrance axial bore 42 is communicated with the feed liquid pipeline 11 being arranged on cutting portion housing 10.
In order to make, freezing mixture is can be in cooling channel 3 interior to flow and can be circulate coolant utilization, cooling unit also comprises that freezing mixture reclaims mouth 5, similar with the structure of coolant entrance 4, freezing mixture reclaims mouth 5 and is preferably the L-type hole being opened on ring gear 2, comprise the recovery mouth radial hole 51 being communicated with cooling channel 3, the recovery mouth axial bore 52 being communicated with cooling liquid recovery channel 12.
Coolant entrance 4 and freezing mixture reclaim mouth 5 and are all communicated with the external pipe (feed liquid pipeline 11 and cooling liquid recovery channel 12) on cutting portion housing 10, realize thus recycling of cooling liquid.In prior art, in order to give the spur gear reducing gear cooling down of cutting portion, conventionally can pipeline be set on cutting portion housing 10 and provide cooling, therefore, on cutting portion housing 10, offer external pipe and conventionally implement than being easier to.
As possibility, as shown in Figure 6, the winning machine cutting part cooling unit in another embodiment of the present utility model comprises coolant entrance 4 and coolant outlet 6, and coolant entrance 4 is identical with the structure of the coolant entrance in a upper embodiment.The same preferred L-type hole adopting on the shell 1 that is opened in cooling unit of coolant outlet 6, comprises the outlet radial hole 61 being communicated with cooling channel 3, and the outlet axial bore 62 being in communication with the outside.In this embodiment, coolant entrance 4 and coolant outlet 6 are communicated with the two ends of cooling channel 3 respectively, be the two ends that coolant entrance 4 and coolant outlet 6 lay respectively at this cutting portion cooling unit, make the freezing mixture cooling channel 3 of can flowing through completely, device is carried out fully cooling; And preferably coolant outlet 6 is arranged on to one end of the cutting drum of the close cutting portion that is positioned at shell 1, makes freezing mixture from coolant outlet 6 ejections, can spray to cutting drum, in order to clean or cooling cutting drum.
Although foregoing has been introduced preferred embodiment of the present utility model, but the utility model is not limited to the embodiment of above-mentioned record, for example, the shell 1 of the cooling unit in the utility model above-described embodiment can adopt welding or other Placements to be connected with ring gear 2; Cooling channel 3 can be the groove being opened on shell 1, or can adopt the pipeline being arranged between ring gear 2 and shell 1, as long as cooling channel 3 can be on the outer surface of ring gear 2, making freezing mixture can be ring gear 2 cooling downs; Cooling channel 3 can also adopt other arrangements except helical between ring gear 2 outer surfaces and shell 1 internal surface.
The corresponding planetary mechanism of winning machine cutting part cooling unit (on ring gear 2) that the utility model embodiment provides arranges cooling unit, carry out cooling to planetary mechanism specially, while effectively preventing winning machine cutting part work, the overheated inner structural members that causes of planetary mechanism is damaged or fault, improves winning machine cutting part working efficiency and working life.The pipeline communication of cooling channel in the utility model directly and on cutting portion housing, structural type is convenient to implement, and can effectively protect cooling pipe not to be subject to other structural failure.
The utility model embodiment also provides a kind of coal winning machine, and it has cutting portion, and cutting portion is provided with any one winning machine cutting part cooling unit of above-mentioned record.Coal winning machine can play above-mentioned identical cooling effect after adopting above-mentioned cooling unit, repeats no more.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a winning machine cutting part cooling unit, described winning machine cutting part comprises planetary mechanism, it is characterized in that, described winning machine cutting part cooling unit comprises:
Shell (1), described shell (1) is tubular, is set in ring gear (2) outside of described planetary mechanism;
For the cooling channel (3) that holds freezing mixture, described cooling channel (3) are positioned between described ring gear (2) and described shell (1).
2. winning machine cutting part cooling unit according to claim 1, is characterized in that, described cooling channel (3) are groove, and described groove is opened in the internal surface of described ring gear (2) outer surface and/or described shell (1).
3. winning machine cutting part cooling unit according to claim 2, is characterized in that, described cooling channel (3) are arranged along the axial screw of ring gear (2).
4. winning machine cutting part cooling unit according to claim 3, it is characterized in that, described winning machine cutting part cooling unit has the coolant entrance (4) that described cooling channel (3) are communicated with external pipe, and described coolant entrance (4) is for being opened in the hole on described ring gear (2);
Described winning machine cutting part cooling unit also has the freezing mixture that described cooling channel (3) are communicated with external pipe and reclaims mouthful (5), and described freezing mixture reclaims mouthful (5) for being opened in the hole on described ring gear (2).
5. winning machine cutting part cooling unit according to claim 4, is characterized in that, it is L-type hole that described coolant entrance (4) and/or described freezing mixture reclaim mouthful (5).
6. winning machine cutting part cooling unit according to claim 3, it is characterized in that, described winning machine cutting part cooling unit has the coolant entrance (4) that described cooling channel (3) are communicated with external pipe, and described coolant entrance (4) is for being opened in the hole on described ring gear (2);
Described winning machine cutting part cooling unit also has the coolant outlet (6) that described cooling channel (3) are in communication with the outside, and described coolant outlet (6) is for being opened in the hole on described shell (1).
7. winning machine cutting part cooling unit according to claim 6, it is characterized in that, described coolant entrance (4) and described coolant outlet (6) are communicated with the two ends of described cooling channel (3) respectively, and described coolant outlet (6) is positioned at one end of the cutting drum of the close described cutting portion of described shell (1).
8. winning machine cutting part cooling unit according to claim 6, is characterized in that, described coolant entrance (4) and/or described coolant outlet (6) are L-type hole.
9. according to the winning machine cutting part cooling unit described in any one in claim 1-8, it is characterized in that, described cooling unit and described ring gear (2) are bolted fixing or are welded and fixed.
10. a coal winning machine, is provided with cutting portion, it is characterized in that, described cutting portion is provided with the winning machine cutting part cooling unit described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172974.3U CN203823026U (en) | 2014-04-10 | 2014-04-10 | Cooling device for cutting unit of coal mining machine and coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172974.3U CN203823026U (en) | 2014-04-10 | 2014-04-10 | Cooling device for cutting unit of coal mining machine and coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823026U true CN203823026U (en) | 2014-09-10 |
Family
ID=51478532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172974.3U Expired - Lifetime CN203823026U (en) | 2014-04-10 | 2014-04-10 | Cooling device for cutting unit of coal mining machine and coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464659A (en) * | 2015-12-23 | 2016-04-06 | 林州重机集团股份有限公司 | Coalcutter cutting part provided with cooling device |
| CN115324575A (en) * | 2022-10-12 | 2022-11-11 | 江苏源力机械科技有限公司 | Autonomous temperature-adjusting type coal mining machine |
-
2014
- 2014-04-10 CN CN201420172974.3U patent/CN203823026U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464659A (en) * | 2015-12-23 | 2016-04-06 | 林州重机集团股份有限公司 | Coalcutter cutting part provided with cooling device |
| CN115324575A (en) * | 2022-10-12 | 2022-11-11 | 江苏源力机械科技有限公司 | Autonomous temperature-adjusting type coal mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
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| CX01 | Expiry of patent term |