CN204571982U - Formula flitting of the clear end - Google Patents
Formula flitting of the clear end Download PDFInfo
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- CN204571982U CN204571982U CN201420860059.3U CN201420860059U CN204571982U CN 204571982 U CN204571982 U CN 204571982U CN 201420860059 U CN201420860059 U CN 201420860059U CN 204571982 U CN204571982 U CN 204571982U
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Abstract
The utility model discloses formula flitting of a kind of clear end, each cutting units of coal-winning machine comprises two cutting drums, first cutting drum (a14) and the first cutting drum drive cavity housing (a6) are extended to rib (15) by transition section shell (a3), and the first cutting drum drive cavity housing (a6) rear portion extends to beyond the ledge (10) of the middle pan of scraper conveyor and lead-over groove, the first cutting drum drive cavity housing (a6) lower portion bends simultaneously.First cutting drum of the present utility model has the formation that enough planted agent's amounts avoid handpiece of scraper conveyer tail place " Triangle Coal ", and the second cutting drum has less product spacing and improves effect of loading coal, ensures enough load bearing stengths; Under identical coal mining height, select the cutting drum pairing use that two diameters are less, ensure full-seam mining, extend the application life of cutting drum, optimize cutting units overall performance, good to Coal Seam Thickness Change compliance, reduce costs and technological requirement.
Description
Technical field
The utility model relates to a kind of coal-winning machine, is specifically related to formula flitting of a kind of clear end.
Background technology
General coal winning technology generally needs full-seam mining, in order to adapt to the mining height scope of coal-winning machine, usually just needs the diameter of cutting drum on corresponding increasing cutting units.But cutting drum diameter is larger, required clipping force is larger, needs the power increasing cutting units and complete machine accordingly, and higher to coal-winning machine performance requirement, machine-building cost and technological requirement also want corresponding raising; Meanwhile larger cutting drum diameter makes the compliance of coal-winning machine to Coal Seam Thickness Change become poorer.
In order to make the cutting drum of coal-winning machine adapt to the change of coal seam thickness, ensure that exploitation flexibly, the cylinder that diameter is less is applied on the cutting units of coal-winning machine gradually, but depth of blade is more shallow on the one hand for the little cutting drum of diameter, and hold coal rate little, effect of loading coal is poor; On the other hand, in order to ensure the intensity of the shovel spacing that cutting drum is little and cutting units on general coal-winning machine, the housing of cutting units straight-tooth driven end need ride over above channel for scraper transporter, and the lead-over groove at drag conveyor two ends is all the inclined-plane increased gradually, have to when the housing of cutting units straight-tooth driven end moves to lead-over groove in coal mining process raise with inclined-plane, the cutting drum planted agent that diameter is little measures little, is now easy to form " Triangle Coal " at the head of scrapper conveyor and tail place.
In order to solve the problem of little cutting drum effect of loading coal difference, Chinese invention patent application CN103590829A discloses " a kind of four flittings adopting twin-roll cutting units ", each cutting units adds a cutting drum respectively, form twin-roll cutting units, such structure makes total appearance coal rate of cutting units increase nearly one times, the efficiency that improve cutting units coal cutting and coaling.But the problem forming " Triangle Coal " is not effectively solved, " Triangle Coal " needs after being formed manually or other auxiliary equipment are cleared up, and the operating efficiency of coal-winning machine reduces, and can increase extra cost.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides formula flitting of a kind of clear end, when ensureing to exploit flexibly, adapting to Coal Seam Thickness Change, full-seam mining and effect of loading coal, avoids the formation of " Triangle Coal ".
For achieving the above object, the technical solution adopted in the utility model is: formula flitting of a kind of clear end, comprise the left cutting units of symmetrical configuration and right cutting units, the left tractive unit of symmetrical configuration and right tractive unit, the left running part of symmetrical configuration and right running part, middle control cabinet, left cutting units by engaging lug and left tractive unit hinged, right cutting units by engaging lug and right tractive unit hinged, left running part and right running gear are not fixedly mounted on the side of left tractive unit and right tractive unit, left tractive unit and right tractive unit are fixedly docked at the both sides of middle control cabinet respectively, each cutting units includes the cutting units housing of symmetrical configuration, straight-tooth transmission system, first planet mechanism, second planetary mechanism, first cutting drum, second cutting drum, internal spraying system and external spraying system, and the identical cutting motor of structure and clutch, cutting units housing is connected with tractive unit and adjust high cylinder respectively by engaging lug, cutting motor and straight-tooth transmission system are arranged in the inner chamber of cutting units housing respectively, first planet mechanism and the second planetary mechanism are arranged on cutting units housing respectively, the power that cutting motor exports reaches straight-tooth transmission system by clutch, two-way is divided into after straight-tooth transmission system is slowed down, one tunnel exports the first cutting drum to through first planet mechanism, another road second planetary mechanism exports the second cutting drum to, cutting units housing comprises the first cutting drum drive cavity housing, second cutting drum drive cavity housing and the transition section shell being connected the first cutting drum drive cavity housing and the second cutting drum drive cavity housing, first cutting drum, first cutting drum drive cavity housing is extended to rib side by transition section shell, and the first cutting drum drive cavity housing rear portion extends to beyond the ledge of the middle pan of scraper conveyor and lead-over groove, first cutting drum drive cavity housing lower portion bends simultaneously.
Preferably, the length of the second cutting drum equals the length sum that the length of the first cutting drum and transition section shell extend to rib, such design ensure that the cut degree of depth of two cutting drums is identical, two cutting drums work on a coal-face simultaneously, work in coordination, reduce float coal amount, common gear coal and combined reinforcedly to coaling, improve the utilization rate of cutting drum blade simultaneously, ensure the stability of coal-winning machine.
Preferably, internal spraying system comprises internal spraying water channel, the first internal spraying passage, the second internal spraying passage and nozzle I, first internal spraying passage and the second internal spraying passage are arranged in first planet mechanism and the second planetary mechanism respectively, the internal spraying water channel of press water on cutting units housing flows into the first internal spraying passage and the second internal spraying passage, and the nozzle I ejection respectively on the first cutting drum, the second cutting drum.Such design instead of the structure of external rubber hose in prior art, and the area coverage of internal spraying water channel is large, the water yield is many and safe and reliable, directly heat on cutting units is taken away, not easily leak, thus more effectively cooling cutting drum and fire extinguishing depositing dust, minimizing accident occurs and the maintenance and repair time.
Preferably, the hand of spiral of the first cutting drum and the second cutting drum is contrary, and direction of rotation is contrary, and rotating speed is identical.First cutting drum and the second cutting drum form a conveying worm, and such structure effectively can prevent the radial impelling of coal cinder, enhance the effect of gear coal and combined reinforced defeated coal.
Preferably, external spraying system comprises external spraying water channel and nozzle II, and external spraying water channel is arranged on cutting units housing, and press water sprays from the nozzle II cutting units housing through external spraying water channel.The external spraying water channel of current on cutting units housing directly sprays for depositing dust of putting out a fire from nozzle, safe and reliable, not easily leaks, and the contact area of external spraying water channel and cutting units housing is large, is directly taken away by heat, to the good cooling results of cutting units entirety.
During use, the first cutting drum on each cutting units and the diameter of the second cutting drum can according to the center to center distance of first planet mechanism and the second planetary mechanism, mining height scope and actual condition pairing are selected, first cutting drum, first cutting drum drive cavity housing is extended to rib side by transition section shell, and the rear portion of the first cutting drum drive cavity housing extends to beyond the ledge of the middle pan of scraper conveyor and lead-over groove, first cutting drum and the first cutting drum drive cavity housing when mining without the need to ride over drag conveyor ledge above, when cutting units moves to the lead-over groove increased gradually at handpiece of scraper conveyer tail place, first cutting drum can move downward further, thus ensure that the first cutting drum has enough planted agent's amounts, avoid the generation of frame head and tail place " Triangle Coal ", second cutting drum is mined without the need to planted agent, the distance of the second cutting drum and drag conveyor is less, shovel spacing is little, ensure that effect of loading coal, second cutting drum and the second cutting drum drive cavity housing do not need to extend to rib side simultaneously, ensure that cutting units entirety has good load bearing stength, add that the first cutting drum drive cavity housing adopts the structure that lower portion is bending, the axial line of the first cutting drum axial line on the first cutting drum drive cavity housing lower than the second cutting drum is connected to by first planet mechanism, can not only ensure that cutting units has larger coal mouth excessively, and the center to center distance that can reduce between two cutting drums, strengthen the effect of coalingging combining on each cutting units between two cutting drums.
Double-ended shearer of the present utility model has enough planted agent's amounts when moving to the lead-over groove that frame head and tail place, drag conveyor two ends increases gradually, avoid the formation of " Triangle Coal ", ensure that cutting units has enough load bearing stengths and security and stability simultaneously; When identical coal mining height, select the cutting drum pairing use that two diameters are less, ensure full-seam mining, improve effect of loading coal, extend the application life of cutting drum, optimize cutting units overall performance, increase the compliance to Coal Seam Thickness Change, the diameter of cutting drum can be selected according to mining height scope and actual condition pairing, reduces machine-building cost and technological requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of right cutting units in the utility model;
Fig. 3 is along the A-A of each center deployment to sectional view in Fig. 2;
Fig. 4 is the top view of right cutting units in the utility model;
Fig. 5 is that the utility model coordinates schematic diagram with drag conveyor.
In figure, 1. left cutting units, 2. left tractive unit, 3. middle control cabinet, 4. right tractive unit, 5. right cutting units, 6. left running part, 7. right running part, 8. cable handler, 9. drag conveyor, 10. ledge, 11. support piston shoes, 12. guide slip shoes, 13. pin rails, 14. ramp plates, 15. ribs;
A1. cutting units housing, a2. second cutting drum drive cavity housing, a3. transition section shell, a4. internal spraying water channel, a51. nozzle I, a52. nozzle II, a6. the first cutting drum drive cavity housing, a7. cutting motor, a8. clutch, a9. straight-tooth transmission system, a10. first planet mechanism, a11. second planetary mechanism, a12. the first internal spraying passage, a13. second internal spraying passage, a14. first cutting drum, a15. the second cutting drum, a16. external spraying water channel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 5, formula flitting of a kind of clear end, comprise left cutting units 1 and the right cutting units 5 of symmetrical configuration, the left tractive unit 2 of symmetrical configuration and right tractive unit 4, the left running part 6 of symmetrical configuration and right running part 7, middle control cabinet 3, left cutting units 1 by engaging lug and left tractive unit 2 hinged, right cutting units 5 by engaging lug and right tractive unit 4 hinged, left running part 6 and right running part 7 are fixedly mounted on the side of left tractive unit 2 and right tractive unit 4 respectively, left tractive unit 2 and right tractive unit 4 are fixedly docked at the both sides of middle control cabinet 3 respectively, each cutting units includes the cutting units housing a1 of symmetrical configuration, straight-tooth transmission system a9, first planet mechanism a10, second planetary mechanism a11, first cutting drum a14, second cutting drum a15, internal spraying system and external spraying system, and the identical cutting motor a7 of structure and clutch a8, cutting units housing a1 is connected with tractive unit and adjust high cylinder respectively by engaging lug, cutting motor a7 and straight-tooth transmission system a9 is arranged in the inner chamber of cutting units housing a1 respectively, cutting units housing a1 comprises the first cutting drum drive cavity housing a6, second cutting drum drive cavity housing a2 and the transition section shell a3 being connected the first cutting drum drive cavity housing a6 and the second cutting drum drive cavity housing a2, first planet mechanism a10 and the second planetary mechanism a11 is arranged on the flange of the first cutting drum drive cavity housing a6 and the second cutting drum drive cavity housing a2 respectively, after first cutting drum a14 and second, cutting drum a15 is arranged on first planet mechanism a10 and the second planetary mechanism a11 respectively, the power that cutting motor a7 exports reaches straight-tooth transmission system a9 by clutch a8, first planet mechanism a10 and the second planetary mechanism a11 is reached respectively after straight-tooth transmission system a9 slows down shunting, the first cutting drum a14 and the second cutting drum a15 is exported respectively to again after first planet mechanism a10 and the second planetary mechanism a11 slows down, first cutting drum a14, the first cutting drum drive cavity housing a6 are extended to rib 15 side by transition section shell a3, and the first cutting drum drive cavity housing a6 rear portion extends to beyond the ledge 10 of drag conveyor 9 intermediate channel and lead-over groove, the first cutting drum drive cavity housing a6 lower portion bends simultaneously.。
During use, support piston shoes 11 are arranged on respectively on right tractive unit 4 and left tractive unit 2, guide slip shoe 12 is arranged on respectively on right running part 7 and left running part 6, by the two ends of right adjust high cylinder respectively with right cutting units 5 and right tractive unit 4 hinged, by the two ends of left adjust high cylinder respectively with left cutting units 1 and left tractive unit 2 hinged, cable handler 8 is fixed on middle control cabinet 3, for fixing and dragging leader cable and water pipe.Be placed in by the coal-winning machine assembled on drag conveyor 9, the support piston shoes 11 of fuselage side overlap with the ledge 10 of drag conveyor 9, and the guide slip shoe 12 of fuselage opposite side coordinates with pin rail 13, coal-winning machine are played to the effect supporting and lead.
During coal mining, start cutting motor a7, clutch a8 is engaged, the power that cutting motor a7 exports reaches first planet mechanism a10 and the second planetary mechanism a11 respectively after straight-tooth transmission system a9 slows down shunting, then export to respectively after first planet mechanism a10 and the second planetary mechanism a11 slow down the first cutting drum a14 and the second cutting drum a15 on for coal breakage with coaling; During coal mining, drive cutting units motion by adjust high cylinder, regulate the mining height scope of left cutting units 1 and right cutting units 5, thus adapt to the exploitation work of work plane.The left tractive unit 2 of coal-winning machine and right tractive unit 4 make coal-winning machine back and forth walk along pin rail 13 on drag conveyor 9 and complete coal breakage and work of coalingging.Due to the first cutting drum a14, first cutting drum drive cavity housing a6 and transition section shell a3 extends to rib 15 side, due to the first cutting drum a14 on cutting units, first cutting drum drive cavity housing a6 is extended to rib 15 side by transition section shell a3, and the rear portion of the first cutting drum drive cavity housing a6 extends to beyond the ledge 10 of drag conveyor 9 intermediate channel and lead-over groove, first cutting drum a14 and the first cutting drum drive cavity housing a6 when mining without the need to ride over drag conveyor 9 ledge 10 above, when cutting units moves to the lead-over groove increased gradually at drag conveyor 9 frame head and tail place, first cutting drum a14 can move downward further, thus ensure that the first cutting drum a14 has enough planted agent's amounts, avoid the generation of frame head and tail place " Triangle Coal ", second cutting drum a15 mines without the need to planted agent, the distance of the inner side of the second cutting drum a15 and the ramp plate 14 of drag conveyor 9 is less, shovel spacing is little, ensure that effect of loading coal, second cutting drum a15 and the second cutting drum drive cavity housing a2 does not need to extend to coal 15 side simultaneously, ensure that cutting units entirety has good load bearing stength, first cutting drum drive cavity housing a6 adopts the structure that lower portion is bending, the axial line of axial line lower than the second cutting drum a15 of the first cutting drum a14 on the first cutting drum drive cavity housing a6 is now connected to by first planet mechanism a10, can not only ensure that cutting units has larger coal mouth excessively, and the center to center distance that can reduce between two cutting drums, strengthen and combine the effect of coalingging between two cutting drums.
Preferably, the length of the second cutting drum a15 equals the length sum that the length of the first cutting drum a14 and transition section shell a3 extend to rib 15, such design ensure that the first cutting drum a14 is identical with the second cutting drum a15 cut degree of depth, two cutting drums work on a coal-face simultaneously, work in coordination, reduce float coal amount, common gear coal and combined reinforcedly to coaling, improve the utilization rate of cutting drum blade simultaneously, ensure the stability of coal-winning machine.
Preferably, internal spraying system comprises internal spraying water channel a4, the first internal spraying passage a12, the second internal spraying passage a13 and nozzle I a51, first internal spraying passage a12 and the second internal spraying passage a13 is arranged in first planet mechanism a10 and the second planetary mechanism a11 respectively, the internal spraying water channel a4 of press water on cutting units housing a1 flows into the first internal spraying passage a12 and the second internal spraying passage a13, and the nozzle I a51 ejection respectively on the first cutting drum a14 and the second cutting drum a15.Such design instead of the structure of external rubber hose in prior art, and the area coverage of internal spraying water channel a4 is large, the water yield is many and safe and reliable, directly heat on cutting units is taken away, not easily leak, thus more effectively cooling cutting drum and fire extinguishing depositing dust, minimizing accident occurs and the maintenance and repair time.
Preferably, the hand of spiral of the first cutting drum a14 and the second cutting drum a15 is contrary, and direction of rotation is contrary, and rotating speed is identical.First cutting drum a14 and the second cutting drum a15 forms a conveying worm, and such structure effectively can prevent the radial impelling of coal cinder, enhances the effect of gear coal and combined reinforced defeated coal.
Preferably, external spraying system comprises external spraying water channel a16 and nozzle II a52, and external spraying water channel a16 is arranged on cutting units housing a1, and press water sprays from the nozzle II a52 cutting units housing a1 through external spraying water channel a16.The external spraying water channel a16 of current on cutting units housing a1 directly sprays for depositing dust of putting out a fire from nozzle II a52, safe and reliable, not easily leak, and the contact area of external spraying water channel a16 and cutting units housing a1 is large, directly heat is taken away, to the good cooling results of cutting units entirety.
Claims (5)
1. the formula flitting of the clear end, comprise left cutting units (1) and the right cutting units (5) of symmetrical configuration, the left tractive unit (2) of symmetrical configuration and right tractive unit (4), the left running part (6) of symmetrical configuration and right running part (7), middle control cabinet (3), described left cutting units (1) by engaging lug and left tractive unit (2) hinged, right cutting units (5) by engaging lug and right tractive unit (4) hinged, left running part (6) and right running part (7) are fixedly mounted on the side of left tractive unit (2) and right tractive unit (4) respectively, described left tractive unit (2) and right tractive unit (4) are fixedly docked at the both sides of middle control cabinet (3) respectively, each cutting units includes the cutting units housing (a1) of symmetrical configuration, straight-tooth transmission system (a9), first planet mechanism (a10), second planetary mechanism (a11), first cutting drum (a14), second cutting drum (a15), internal spraying system and external spraying system, and the cutting motor that structure is identical (a7) and clutch (a8), described cutting units housing (a1) is connected with tractive unit and adjust high cylinder respectively by engaging lug, cutting motor (a7) and straight-tooth transmission system (a9) are arranged in the inner chamber of cutting units housing (a1) respectively, first planet mechanism (a10) and the second planetary mechanism (a11) are arranged on cutting units housing (a1) respectively, the power that cutting motor (a7) exports reaches straight-tooth transmission system (a9) by clutch (a8), two-way is divided into after straight-tooth transmission system (a9) is slowed down, one tunnel exports the first cutting drum (a14) to through first planet mechanism (a10), another road second planetary mechanism (a11) exports the second cutting drum (a15) to, it is characterized in that, cutting units housing (a1) comprises the first cutting drum drive cavity housing (a6), second cutting drum drive cavity housing (a2) and the transition section shell (a3) being connected the first cutting drum drive cavity housing (a6) and the second cutting drum drive cavity housing (a2), described first cutting drum (a14), first cutting drum drive cavity housing (a6) is extended to rib (15) side by transition section shell (a3), first cutting drum drive cavity housing (a6) rear portion extends to beyond the ledge (10) of drag conveyor (9) intermediate channel and lead-over groove, first cutting drum drive cavity housing (a6) lower portion bends simultaneously.
2. formula flitting of the clear end according to claim 1, it is characterized in that, the length of described second cutting drum (a15) equals the length sum that the length of the first cutting drum (a14) and transition section shell (a3) extend to rib (15).
3. formula flitting of the clear end according to claim 1 and 2, it is characterized in that, described internal spraying system comprises internal spraying water channel (a4), first internal spraying passage (a12), second internal spraying passage (a13) and nozzle I (a51), first internal spraying passage (a12) and the second internal spraying passage (a13) are arranged in first planet mechanism (a10) and the second planetary mechanism (a11) respectively, nozzle I (a51) is located on the first cutting drum (a14) and the second cutting drum (a15), the internal spraying water channel (a4) of press water on cutting units housing (a1) flows into the first internal spraying passage (a12) and the second internal spraying passage (a13), spray through nozzle I (a51).
4. formula flitting of the clear end according to claim 1 and 2, is characterized in that, the hand of spiral of described first cutting drum (a14) and the second cutting drum (a15) is contrary, and direction of rotation is contrary, and rotating speed is identical.
5. formula flitting of the clear end according to claim 1 and 2, it is characterized in that, described external spraying system comprises external spraying water channel (a16) and nozzle II (a52), described external spraying water channel (a16) is arranged on cutting units housing (a1), and press water sprays from the nozzle II (a52) cutting units housing (a1) through external spraying water channel (a16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860059.3U CN204571982U (en) | 2014-12-30 | 2014-12-30 | Formula flitting of the clear end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860059.3U CN204571982U (en) | 2014-12-30 | 2014-12-30 | Formula flitting of the clear end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204571982U true CN204571982U (en) | 2015-08-19 |
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ID=53864636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420860059.3U Expired - Fee Related CN204571982U (en) | 2014-12-30 | 2014-12-30 | Formula flitting of the clear end |
Country Status (1)
| Country | Link |
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| CN (1) | CN204571982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594894A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Bottom-clearing drum shearer |
| CN107999258A (en) * | 2017-11-14 | 2018-05-08 | 平潭诚信智创科技有限公司 | A kind of opencast stope ruins for effectively crushing coal cinder |
-
2014
- 2014-12-30 CN CN201420860059.3U patent/CN204571982U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594894A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Bottom-clearing drum shearer |
| CN104594894B (en) * | 2014-12-30 | 2018-04-10 | 江苏中机矿山设备有限公司 | A kind of clear bottom formula flitting |
| CN107999258A (en) * | 2017-11-14 | 2018-05-08 | 平潭诚信智创科技有限公司 | A kind of opencast stope ruins for effectively crushing coal cinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20151230 |
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| EXPY | Termination of patent right or utility model |