CN103711486A - Coal mining machine - Google Patents
Coal mining machine Download PDFInfo
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- CN103711486A CN103711486A CN201310713447.9A CN201310713447A CN103711486A CN 103711486 A CN103711486 A CN 103711486A CN 201310713447 A CN201310713447 A CN 201310713447A CN 103711486 A CN103711486 A CN 103711486A
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- coal
- tractive unit
- cutting units
- winning machine
- cutting
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Abstract
The invention provides a coal mining machine. The coal mining machine comprises a traction part and a cutting part articulated with the traction part, wherein a cutting motor is arranged at the articulating part between the traction part and the cutting part; the cutting axis of the cutting motor is coincided with the rotation axis of the articulating part. As the cutting axis of the cutting motor is coincided with the rotation axis of the cutting part, when the cutting part swings up and down, the cutting motor rotates by taking the central axis of the cutting part as the rotation center, the vertical height of the cutting motor does not change, and the machine height and the underneath clearance of the coal mining machine cannot be changed and are kept at a constant value, so that the stable operation of the coal mining machine is ensured, and the coal mining efficiency is improved.
Description
Technical field
The present invention relates to a kind of coal-winning machine.
Background technology
At present, the fuselage of coal-winning machine and the connection of rocking arm adopt articulated structure, and cutting motor is fixed in rocking arm housing, with rocking arm, round pin joint, swings up and down.Because the volume of cutting motor is larger, when Rocker arm-motor installation position housing is put on rocking arm, can increase the machine height of coal-winning machine; During the rocking arm bottom, can reduce the underneath clearance of coal-winning machine, coal space was reduced, thereby reduce the compliance of coal-winning machine.Cause coal-winning machine cannot reach the underneath clearance of design, especially for girdle and middle low seam mining machinery, when rocking arm swings up and down, particularly remarkable for the machine height of coal-winning machine and the impact of underneath clearance, thus affect the operation stability of coal-winning machine.
Due to machine height with cross transportation coal cinder that the variation in coal space produces and stop up coal-winning machine and cross the faults such as coal mouth and happen occasionally, particularly important for girdle and middle low seam mining machinery.
Therefore, for machine height and underneath clearance in existing coal-winning machine coal mining process, easily changing, affect the problems such as coal mining efficiency, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In order to overcome above-mentioned defect and the deficiency of prior art, the object of the present invention is to provide a kind of machine height and constant coal-winning machine of underneath clearance of simple in structure, coal-winning machine.
The invention provides a kind of coal-winning machine, comprise tractive unit, and the cutting units hinged with tractive unit, it is characterized in that,
Described tractive unit and the hinge point of described cutting units arrange cutting motor;
The central axis of described cutting motor overlaps with the axis of rotation of described hinge point.
Further, described cutting motor is arranged in described cutting units;
Described cutting units supports hinged by clutch shaft bearing and the second bearing and described tractive unit;
The output of described cutting motor is connected with the reductor driving in cutting units by driven wheel.
Further, described cutting motor is arranged in described tractive unit;
Described cutting units is hinged by clutch shaft bearing and the second bearing and described tractive unit movable supporting;
The output of described cutting motor is connected with the reductor driving in cutting units by driven wheel.
Further, the sky side of adopting of described coal-winning machine is provided with the revolving bed being connected with described cutting units;
Described revolving bed is fixedly connected with described tractive unit.
Further, described revolving bed and described tractive unit are structure as a whole.
Further, the sky side of adopting of described coal-winning machine is provided with the cable that accesses described cutting motor;
Described cable seal is in the housing of described tractive unit.
Further, the coal mining side of described coal-winning machine is provided with the described cutting units of access for spraying and the water channel of cooling use;
Described water channel is arranged in the housing of described tractive unit.
Further, the sky side of adopting of described cutting units is provided with overload protection arrangement.
Further, described overload protection arrangement is arranged on the high-speed gear level end of described cutting motor output and described cutting units.
Further, described cutting units comprises left cutting units and right cutting units;
Described tractive unit comprises left tractive unit and right tractive unit;
Described left cutting units and described left tractive unit are hinged, and described right cutting units and described right tractive unit are hinged.
Compared with prior art beneficial effect of the present invention is:
Coal-winning machine provided by the invention, comprises tractive unit, and the cutting units hinged with tractive unit, and the hinge point of tractive unit and cutting units arranges cutting motor; The central axis of cutting motor overlaps with the axis of rotation of described hinge point.By setting that the central axis of cutting motor is overlapped with the axis of rotation of cutting units, when cutting units swings up and down, cutting motor be take its central axis as center of rotation rotation, its vertical height does not change and can not change machine height and the underneath clearance of coal-winning machine, makes it remain on a definite value.Thereby guarantee the stable of coal-winning machine operation, improve coal mining efficiency.
The cable closure of this coal-winning machine, in tractive unit is adopted the housing of sky side, does not leak outside, and prevents owing to pulling, and the reason such as collide with produces to be destroyed, and improves the safety of producing.And the spraying of the cutting units of coal-winning machine and cooling water by arranging water channel in housing, make in its housing that is enclosed in tractive unit coal mining side, and introduce cutting units, because water channel is built-in, can prevent from using external water pipe to pull the phenomenons such as clashing and breaking, increase product reliability of operation.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the structural representation of the embodiment of the present invention;
Figure 2 shows that the structure cross-sectional schematic at another visual angle of the embodiment of the present invention;
Figure 3 shows that the partial structurtes cross-sectional schematic that in the embodiment of the present invention, left cutting units is connected with left tractive unit.
Description of reference numerals:
1, left cutting units; 11, reductor; 2, cutting motor; 21, clutch shaft bearing; 22, the second bearing; 23, cable; 24, water channel; 25, overload protection and arrangement of clutch; 3, left tractive unit; 31, revolving bed; 4, electric control part; 5, right tractive unit; 6, right cutting units.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The cutting motor of existing coal-winning machine is fixed in the rocking arm housing of cutting units and swings up and down around pin joint with rocking arm, the volume of cutting motor is larger, when cutting motor installation position housing is put on rocking arm, can increase the machine height (machine height of coal-winning machine refers to that coal-winning machine fuselage upper surface is to the height value of coal-face base plate) of coal-winning machine; during the rocking arm bottom; can reduce the underneath clearance (underneath clearance of coal-winning machine refers to the distance between plate upper surface in coal-winning machine bottom and scraper conveyor middle groove) of coal-winning machine, thereby reduce the compliance of coal-winning machine.Cause coal-winning machine cannot reach the underneath clearance of design, affect coal mining efficiency.The embodiment of the present invention is by being arranged on the cutting motor of coal-winning machine cutting units and tractive unit hinge point, make the centre of gyration axis of cutting units and the central axes of cutting motor, when cutting units swings up and down, cutting motor be take its central axis and is rotated as center of rotation, its vertical height does not change, can not change machine height and the underneath clearance of coal-winning machine, improve the stability of coal-winning machine, improve coal mining efficiency.
The embodiment of the concrete application of the present invention, refer to Fig. 1 and Fig. 2, a kind of coal-winning machine that the embodiment of the present invention one provides, comprise left cutting units 1, left tractive unit 3, electric control part 4, right tractive unit 5 and right cutting units 6, wherein, left cutting units 1 is hinged on left tractive unit 3, and left tractive unit 3 is fixedly connected with electric control part 4, electric control part 4 is fixedly connected with right tractive unit 5, and right tractive unit 5 is hinged with described right cutting units 6.At left cutting units 1, be provided with cutting motor 2 with left tractive unit 3 hinge point, the output of cutting motor 2 is arranged on the coal mining side of coal-winning machine, the left cutting units 1 of being convenient to output power, right cutting units 6 is also provided with cutting motor 2 with right tractive unit 5 hinge point, the cutting motor 2 arranging between its concrete structure and left cutting units 1 and left tractive unit 3 is connected with structure basic identical, is symmetrically arranged.The left cutting units 1 of take is below the example detailed description embodiment of the present invention with the concrete articulated structure of left tractive unit 3.
As shown in Figure 3, cutting motor 2 can be arranged in left cutting units 1, also can be arranged in left tractive unit 3, left cutting units 1 is by clutch shaft bearing 21 and the left tractive unit 3 of the second bearing 22 bearing hinge connection, the output of cutting motor 2 is given the reductor 11 in left cutting units 1 by the gear drive transferring power in left cutting units 1, make left cutting units 1 work, the position (high-speed gear level end) being connected with gear drive at the output of cutting motor 2 is provided with overload protection and arrangement of clutch 25, by overload protection and arrangement of clutch 25 protections, can complete machine overload protection function to transmission system in cutting units, and can complete driving-chain clutch action.
The sky side of adopting at coal-winning machine is provided with the revolving bed 31 for carries left cutting units, revolving bed 31 connects as one structure with left tractive unit 3, the sky side of adopting of coal-winning machine is provided with the cable 23 that accesses cutting motor 2, cable 23 is sealed in the housing of left tractive unit 3, can prevent that cable 23 from pulling the phenomenons such as damage, increase product operational reliability.The coal mining side of coal-winning machine is provided with the water channel 24 of access cutting units spraying and cooling water, and water channel 24 sealings are arranged in left tractive unit 3 housings, avoid water pipe external cause pull damage, the reliability of increase product.Right tractive unit and right cutting units structure are basic identical therewith.
The structural principle of the embodiment of the present invention is that as shown in Figure 1-Figure 3, the cutting motor 2 of coal-winning machine is installed in winning machine cutting part (left cutting units 1, right cutting units 6) or tractive unit (left tractive unit 3, right tractive unit 5) housing; Left cutting units 1 is hinged with left tractive unit 3, right cutting units 6 is hinged with right tractive unit 5, wherein, left cutting units 1 is basic identical with the articulated structure of right tractive unit 5 with articulated structure and the right cutting units 6 of left tractive unit 3, describes the embodiment of the present invention in detail below with left cutting units 1 and the articulated structure of left tractive unit 3.
Other structures can, with reference to existing coal-winning machine structure, not repeat them here.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a coal-winning machine, comprises tractive unit, and the cutting units hinged with tractive unit, it is characterized in that,
Described tractive unit and the hinge point of described cutting units arrange cutting motor (2);
The central axis of described cutting motor (2) overlaps with the axis of rotation of described hinge point.
2. coal-winning machine according to claim 1, is characterized in that, described cutting motor (2) is arranged in described cutting units;
Described cutting units supports hinged by clutch shaft bearing (21) and the second bearing (22) with described tractive unit;
The output of described cutting motor (2) is connected with reductor (11) driving in cutting units by driven wheel.
3. coal-winning machine according to claim 1, is characterized in that, described cutting motor (2) is arranged in described tractive unit;
Described cutting units is hinged with described tractive unit movable supporting by clutch shaft bearing (21) and the second bearing (22);
The output of described cutting motor (2) is connected with reductor (11) driving in cutting units by driven wheel.
4. according to the coal-winning machine described in claim 1-3 any one, it is characterized in that, the sky side of adopting of described coal-winning machine is provided with the revolving bed (31) being connected with described cutting units;
Described revolving bed (31) is fixedly connected with described tractive unit.
5. coal-winning machine according to claim 4, is characterized in that, described revolving bed (31) is structure as a whole with described tractive unit.
6. coal-winning machine according to claim 5, is characterized in that, the sky side of adopting of described coal-winning machine is provided with the cable (23) that accesses described cutting motor (2);
Described cable (23) is sealed in the housing of described tractive unit.
7. coal-winning machine according to claim 6, is characterized in that, the coal mining side of described coal-winning machine is provided with the described cutting units of access for spraying and the water channel (24) of cooling use;
Described water channel (24) is arranged in the housing of described tractive unit.
8. coal-winning machine according to claim 7, is characterized in that, the sky side of adopting of described cutting units is provided with overload protection arrangement (25).
9. coal-winning machine according to claim 8, is characterized in that, described overload protection arrangement (25) is arranged on the high-speed gear level end of described cutting motor (2) output and described cutting units.
10. coal-winning machine according to claim 9, is characterized in that,
Described cutting units comprises left cutting units (1) and right cutting units (6);
Described tractive unit comprises left tractive unit (3) and right tractive unit (5);
Described left cutting units (1) is hinged with described left tractive unit (3), and described right cutting units (3) is hinged with described right tractive unit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713447.9A CN103711486A (en) | 2013-12-20 | 2013-12-20 | Coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713447.9A CN103711486A (en) | 2013-12-20 | 2013-12-20 | Coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103711486A true CN103711486A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310713447.9A Pending CN103711486A (en) | 2013-12-20 | 2013-12-20 | Coal mining machine |
Country Status (1)
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| CN (1) | CN103711486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020181672A1 (en) * | 2019-03-14 | 2020-09-17 | 中国矿业大学 | Apparatus and method for protecting interference between hydraulic support and shearer cutting part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776592A (en) * | 1972-10-12 | 1973-12-04 | A Ewing | Remotely controlled mining machine |
| SU1423737A1 (en) * | 1986-02-05 | 1988-09-15 | Научно-производственное объединение по созданию и выпуску средств автоматизации горных машин "Автоматгормаш" | Arrangement for automatic control of mining machine |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN101302930A (en) * | 2008-07-10 | 2008-11-12 | 卫建清 | Three-cylinder coal cutter |
| CN102011586A (en) * | 2010-12-27 | 2011-04-13 | 三一重型装备有限公司 | Integrated coal mining facility and coal mining machine thereof |
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
-
2013
- 2013-12-20 CN CN201310713447.9A patent/CN103711486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776592A (en) * | 1972-10-12 | 1973-12-04 | A Ewing | Remotely controlled mining machine |
| SU1423737A1 (en) * | 1986-02-05 | 1988-09-15 | Научно-производственное объединение по созданию и выпуску средств автоматизации горных машин "Автоматгормаш" | Arrangement for automatic control of mining machine |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN101302930A (en) * | 2008-07-10 | 2008-11-12 | 卫建清 | Three-cylinder coal cutter |
| CN102011586A (en) * | 2010-12-27 | 2011-04-13 | 三一重型装备有限公司 | Integrated coal mining facility and coal mining machine thereof |
| CN102287185A (en) * | 2011-07-16 | 2011-12-21 | 西安煤矿机械有限公司 | High-power heavy low seam mining machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020181672A1 (en) * | 2019-03-14 | 2020-09-17 | 中国矿业大学 | Apparatus and method for protecting interference between hydraulic support and shearer cutting part |
| US11286774B2 (en) | 2019-03-14 | 2022-03-29 | China University Of Mining And Technology | Interference protection device and method for hydraulic support and cutting part of shearer |
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Application publication date: 20140409 |