CN103244117A - Coal mining machine rocker arm with telescopic slotting mechanism - Google Patents
Coal mining machine rocker arm with telescopic slotting mechanism Download PDFInfo
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- CN103244117A CN103244117A CN2013101904333A CN201310190433A CN103244117A CN 103244117 A CN103244117 A CN 103244117A CN 2013101904333 A CN2013101904333 A CN 2013101904333A CN 201310190433 A CN201310190433 A CN 201310190433A CN 103244117 A CN103244117 A CN 103244117A
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Abstract
The invention discloses a coal mining machine rocker arm with a telescopic slotting mechanism. The rocker arm comprises a motor, a shell, a transmission system, a roller and a telescopic slotting mechanism, wherein the motor transfers the power to the roller through the transmission system and the shell; the transmission system comprises a last-stage shaft group, the telescopic slotting mechanism is arranged inside the last-stage shaft group, and the telescopic slotting mechanism comprises a slotting serrated knife; and the telescopic slotting mechanism respectively acts on cavity bodies on two ends of the telescopic slotting mechanism through the oil pressure, so that the slotting serrated knife stretches outwards, retracts inwards and is locked along the axial direction so as to control the coal wall slotting depth and position. According to the coal mining machine rocker arm with the telescopic slotting mechanism, through the slotting way on the coal wall, the suspension coal body after the slotting is pressed to drop into a conveyor and near the conveyor by adequately utilizing the pressure of an ejection plate, the coal is transferred by the conveyor into a chute to be transported outwards, so that the energy consumption problem of the thin-coal-layer coal mining machine can be solved.
Description
Technical field
The invention belongs to the coal excavation apparatus technical field, relate to a kind of rocker arm of coal mining machine, relate in particular to a kind of rocker arm of coal mining machine with the scalable mechanism that slots.
Background technology
China's girdle geological conditions complexity, the work plane tomography is many, dirt band hardness is big.In order to make low seam mining machinery have high reliability, low seam mining machinery is more and more to high-power low seam mining machinery development.The low seam mining machinery fuselage is short, and the space is little, and along with the power that transmits and the increase of moment of torsion, the layout of transmission system becomes and has great difficulty.Along with the increase of rocker arm of coal mining machine power, the particularly increase of rocking arm clipping force will guarantee cutting capacity and the effect of loading coal of rocking arm to make design difficulty increase greatly in limited girdle space simultaneously.
Often in order to require to have certain reliability (planetary mechanism is adopted in the final stage transmission usually, and size is bigger), its effect of loading coal is generally relatively poor in the design of existing low seam mining machinery.Because influences such as final stage transmission sizes, the cylinder blade height of coalingging is less, and drum rotation speed is higher simultaneously, and cylinder is serious to two these fragmentations of coal; Not only the rocking arm power consumption is big, and the coal dust that second-time breakage causes is serious, finally causes the severe exacerbation of thin seam mining condition.
In view of this, for the coal-winning machine technology of China's thin seam mining, urgent need will find new way, reduces coal mining process mining equipment for the repeatedly fragmentation of coal, solves coal-winning machine high energy consumption problem.
Summary of the invention
Technical problem to be solved by this invention is: a kind of rocker arm of coal mining machine with the scalable mechanism that slots is provided, can solves the energy consumption problem of low seam mining machinery.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of rocker arm of coal mining machine with scalable fluting mechanism, described rocking arm comprises: motor, housing, transmission system, cylinder, scalable fluting mechanism, motor by transmission system and housing with transmission of power to cylinder; Described transmission system comprises final stage axle group, and described scalable fluting mechanism is set in this final stage axle group, and scalable fluting mechanism comprises the fluting serrated knife; Described scalable fluting mechanism acts on the cavity at scalable fluting mechanism two ends respectively by oil pressure, can make overhanging, interior contracting and the locking vertically of fluting serrated knife, control rib groove depth and position.
As a preferred embodiment of the present invention, described scalable cavity of slotting the mechanism two ends comprises the big chamber of oil cylinder, oil pocket loculus; The major axis endoporus of described final stage axle group, axially oilhole and the scalable mechanism that slots piston, formed the big chamber of oil cylinder as the fluting serrated knife of piston rod, after the oil return of oil cylinder loculus, hydraulic oil entered the big chamber of oil cylinder, the fluting serrated knife is overhanging to rotate into the rib fluting with cylinder.
As a preferred embodiment of the present invention, described scalable cavity of slotting the mechanism two ends comprises the big chamber of oil cylinder, oil pocket loculus; The piston of the major axis endoporus of described final stage axle group, radial direction oil hole and scalable fluting mechanism, formed the oil cylinder loculus as fluting serrated knife, the supporting seat of piston rod, after oil cylinder big chamber oil return, low pressure oil entered the oil cylinder loculus, contracting was withdrawed from rib with the cylinder rotation in the fluting serrated knife.
As a preferred embodiment of the present invention, described final stage axle group comprises that gear, major axis, bearing, rib bearing, side stretch, circular platen, bearing support, little bearing; Gear is connected with major axis and fastening by screw and major axis through spline, and major axis is supported on bearing and the rib bearing, and bearing and rib bearings are on housing; The Fang Shenjing spline is connected with major axis, and fastening by circular platen and screw axial; Cylinder is stretched with the side and is fastenedly connected; The power of motor is stretched and is passed to cylinder through gear, major axis, the side of the final stage axle group of transmission system; Little bearing is by the control of play own, supplemental support final stage axle group.
As a preferred embodiment of the present invention, described scalable fluting serrated knife of slotting mechanism has a plurality of axial grooves of offering vertically; Scalable serrated knife positioning disk of slotting mechanism has a plurality of guiding convexes of offering vertically; The axial groove of described fluting serrated knife is corresponding with the guiding convex of serrated knife positioning disk, makes the power of transmission system pass to cylinder and fluting serrated knife simultaneously.
As a preferred embodiment of the present invention, described scalable fluting serrated knife of slotting mechanism has a plurality of axial grooves of offering vertically; Scalable serrated knife positioning disk of slotting mechanism has a plurality of guiding convexes of offering vertically; The bottom land of the axial groove of described fluting serrated knife cooperates with the guiding convex end face of serrated knife positioning disk, makes the fluting serrated knife have better intensity, prevents the stressed bending of fluting serrated knife when overhanging.
As a preferred embodiment of the present invention, described scalable fluting mechanism comprises little rotatory sealing, piston, fluting serrated knife, supporting seat, seal receptacle, big rotatory sealing, pin, outside fix dish, serrated knife positioning disk, hollow pin; Pin connects major axis and circular platen, and hollow pin connects circular platen and serrated knife positioning disk, guarantees that the transmission of power of transmission system is to the serrated knife positioning disk; The outside fix dish connects the serrated knife positioning disk and the serrated knife positioning disk guarantees that the serrated knife positioning disk is concentric with major axis.
As a preferred embodiment of the present invention, described bearing support is equipped with little rotatory sealing, can cooperate to realize sealing with the little cylindrical of major axis; Described seal receptacle is equipped with big rotatory sealing, can cooperate to realize sealing with the big cylindrical of major axis.
Beneficial effect of the present invention is: the rocker arm of coal mining machine with the scalable mechanism that slots that the present invention proposes, by the mode of slotting at rib, utilize roof pressure to slot fully to crush under the unsettled coal body in back drop down onto transporter and near, and go into chute by the transportation mechanical shovel and transport outward, solved the energy consumption problem of low seam mining machinery.
Description of drawings
The schematic diagram of Fig. 1 rocker arm of coal mining machine of the scalable mechanism that slots for the present invention has.
The partial enlarged drawing of Fig. 2 rocker arm of coal mining machine of the scalable mechanism that slots for the present invention has.
Fig. 3 is that the C-C of Fig. 2 is to sectional view.
The work schematic diagram of Fig. 4 coal-winning machine of the scalable mechanism that slots for the present invention has.
The specific embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1 to Fig. 3, the present invention has disclosed a kind of rocker arm of coal mining machine with the scalable mechanism that slots, described rocker arm of coal mining machine comprises motor 1, housing 2, transmission system 3, cylinder 4, scalable fluting mechanism 5, motor 1 by transmission system 3 with housing 2 with transmission of power to cylinder 4; Described transmission system 3 comprises final stage axle group 31; Be provided with scalable fluting mechanism 5 in the described final stage axle group 31, scalable fluting mechanism 5 acts on two ends cavity (A chamber, B chamber) respectively by oil pressure, makes and overhanging, interior contracting and the locking vertically of fluting serrated knife 52 realizes the control to rib groove depth and position.
Described final stage axle group 31 comprises that gear 311, major axis 312, bearing 313, rib bearing 314, side stretch 315, circular platen 316, bearing support 317, little bearing 310.Gear 311 is connected with major axis 312 and fastening by screw and major axis 312 through spline, and major axis 312 is supported on bearing 313 and the rib bearing 314, and bearing 313 is supported on the housing 2 with rib bearing 314; Stretch 315 and be connected with major axis 312 through spline the side, and fastening by circular platen 316 and screw axial; Cylinder 4 is stretched 315 with the side and is fastenedly connected; The power of motor 1 is stretched 315 and is passed to cylinder 4 through gear 311, major axis 312, the side of the final stage axle group 31 of transmission system 3.Little bearing 310 is by the control of play own, supplemental support final stage axle group 31.
The major axis endoporus 3123 of described final stage axle group 31, axially oilhole and the scalable mechanism 5 that slots piston 51, formed the big chamber A of oil cylinder as the fluting serrated knife 52 of piston rod, after hydraulic oil entered big chamber A, the serrated knife 52 of will slotting is overhanging to rotate into rib fluting (oil cylinder loculus B oil return this moment) with cylinder.
The piston 51 of the major axis endoporus 3123 of described final stage axle group 31, radial direction oil hole and scalable fluting mechanism 5, formed oil cylinder loculus B as fluting serrated knife 52, the supporting seat 53 of piston rod, after low pressure oil entered loculus B, contracting was withdrawed from rib (oil cylinder big chamber A oil return this moment) with the cylinder rotation in the serrated knife 52 of will slotting.
Described scalable fluting mechanism 5 comprises little rotatory sealing 50, piston 51, fluting serrated knife 52, supporting seat 53, seal receptacle 54, big rotatory sealing 55, pin 56, outside fix dish 57, serrated knife positioning disk 58, hollow pin 59.Pin 56 connects major axis 312 and circular platen 316, and hollow pin 59 connects circular platen 316 and serrated knife positioning disk 58, guarantees that the transmission of power of transmission system 3 is to serrated knife positioning disk 58; Outside fix dish 57 connects serrated knife positioning disk 58 and guarantees that with serrated knife positioning disk 58 serrated knife positioning disk 58 is concentric with major axis 312.
Described scalable fluting serrated knife 52 of slotting mechanism 5 has a plurality of axial groove sides of offering vertically 522; Scalable serrated knife positioning disk 58 of slotting mechanism 5 has a plurality of guiding convex sides of offering vertically 582.The axial groove side 522 of described fluting serrated knife 52 is corresponding with the guiding convex side 582 of serrated knife positioning disk 58, makes the power of transmission system 3 pass to cylinder 4 and fluting serrated knife 52 simultaneously.
Described scalable fluting serrated knife 52 of slotting mechanism 5 has a plurality of axial groove bases of offering vertically 521; Scalable serrated knife positioning disk 58 of slotting mechanism 5 has a plurality of guiding convex top margins of offering vertically 581.The axial groove base 521 of described fluting serrated knife 52 cooperates with the guiding convex top margin 581 of serrated knife positioning disk 58, makes the fluting serrated knife have better support strength, prevents the stressed bending of fluting serrated knife when overhanging.
The big chamber A oil-feed of the described scalable mechanism 5 that slots cooperates to realize sealing by little rotatory sealing 50 and the little cylindrical 3121 of major axis 312 that is installed on bearing support 317.
The loculus B oil-feed of the described scalable mechanism 5 that slots cooperates to realize sealing by big rotatory sealing 55 and the big cylindrical 3122 of major axis 312 that is installed on seal receptacle 54.
As shown in Figure 4, described scalable rocker arm of coal mining machine of slotting mechanism 5 can be realized rib top board height h is subtracted radius roller R down, and base plate adds the interior optional position of radius roller R scope (h-2R) up fluting.Last figure: go up cylinder C1 along top board coal mining (scalable fluting mechanism 5 interior retraction cylinders this moment), bottom roll C2 mines along base plate, and (this moment, scalable fluting mechanism 5 stretched out, in rib, slot), because the effect of roof pressure, to crack D in the fluting bottom, coal body E will open slump subsequently in coal-winning machine, and part directly enters transporter.Figure below: after transporter pushed a step pitch to rib, the most of coal cinders in coal platform F place shoveled into transporter and transport; During coal-winning machine back production second cutter, last cylinder C1 ' is along top board coal mining (scalable fluting mechanism 5 interior retraction cylinders this moment), bottom roll C2 ' mines along base plate, and (this moment, scalable fluting mechanism 5 stretched out, in rib, slot again), because the effect of roof pressure, to crack D ' in the fluting bottom, coal body E ' will open slump subsequently in coal-winning machine, and part directly enters transporter.Circulation is mined and so forth, will reduce the coal-winning machine power consumption greatly.
In sum, the rocker arm of coal mining machine with the scalable mechanism that slots that the present invention proposes can be according to the geological conditions of coal-face, the degree of depth and the height and position of control rib fluting.By the mode of slotting at rib, utilize roof pressure to slot fully to crush under the unsettled coal body in back drop down onto transporter and near, and go into the chute outward transport by the transportation mechanical shovel, solved the energy consumption problem of low seam mining machinery.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (8)
1. rocker arm of coal mining machine with scalable fluting mechanism is characterized in that described rocking arm comprises: motor, housing, transmission system, cylinder, scalable fluting mechanism, motor by transmission system and housing with transmission of power to cylinder;
Described transmission system comprises final stage axle group, and described scalable fluting mechanism is set in this final stage axle group, and scalable fluting mechanism comprises the fluting serrated knife;
Described scalable fluting mechanism acts on the cavity at scalable fluting mechanism two ends respectively by oil pressure, can make overhanging, interior contracting and the locking vertically of fluting serrated knife, control rib groove depth and position.
2. the rocker arm of coal mining machine with scalable fluting mechanism according to claim 1 is characterized in that:
Described scalable cavity of slotting the mechanism two ends comprises the big chamber of oil cylinder, oil pocket loculus;
The major axis endoporus of described final stage axle group, axially oilhole and the scalable mechanism that slots piston, formed the big chamber of oil cylinder as the fluting serrated knife of piston rod, after the oil return of oil cylinder loculus, hydraulic oil entered the big chamber of oil cylinder, the fluting serrated knife is overhanging to rotate into the rib fluting with cylinder.
3. the rocker arm of coal mining machine with scalable fluting mechanism according to claim 1 is characterized in that:
Described scalable cavity of slotting the mechanism two ends comprises the big chamber of oil cylinder, oil pocket loculus;
The piston of the major axis endoporus of described final stage axle group, radial direction oil hole and scalable fluting mechanism, formed the oil cylinder loculus as fluting serrated knife, the supporting seat of piston rod, after oil cylinder big chamber oil return, low pressure oil entered the oil cylinder loculus, contracting was withdrawed from rib with the cylinder rotation in the fluting serrated knife.
4. according to the described rocker arm of coal mining machine with the scalable mechanism that slots of one of claim 1 to 3, it is characterized in that:
Described final stage axle group comprises that gear, major axis, bearing, rib bearing, side stretch, circular platen, bearing support, little bearing;
Gear is connected with major axis and fastening by screw and major axis through spline, and major axis is supported on bearing and the rib bearing, and bearing and rib bearings are on housing; The Fang Shenjing spline is connected with major axis, and fastening by circular platen and screw axial; Cylinder is stretched with the side and is fastenedly connected; The power of motor is stretched and is passed to cylinder through gear, major axis, the side of the final stage axle group of transmission system; Little bearing is by the control of play own, supplemental support final stage axle group.
5. the rocker arm of coal mining machine with scalable fluting mechanism according to claim 1 is characterized in that:
Described scalable fluting serrated knife of slotting mechanism has a plurality of axial grooves of offering vertically; Scalable serrated knife positioning disk of slotting mechanism has a plurality of guiding convexes of offering vertically; The axial groove of described fluting serrated knife is corresponding with the guiding convex of serrated knife positioning disk, makes the power of transmission system pass to cylinder and fluting serrated knife simultaneously.
6. the rocker arm of coal mining machine with scalable fluting mechanism according to claim 1 is characterized in that:
Described scalable fluting serrated knife of slotting mechanism has a plurality of axial grooves of offering vertically; Scalable serrated knife positioning disk of slotting mechanism has a plurality of guiding convexes of offering vertically; The bottom land of the axial groove of described fluting serrated knife cooperates with the guiding convex end face of serrated knife positioning disk, makes the fluting serrated knife have better intensity, prevents the stressed bending of fluting serrated knife when overhanging.
7. according to claim 1 or 6 or 7 described rocker arm of coal mining machine with the scalable mechanism that slots, it is characterized in that:
Described scalable fluting mechanism comprises little rotatory sealing, piston, fluting serrated knife, supporting seat, seal receptacle, big rotatory sealing, pin, outside fix dish, serrated knife positioning disk, hollow pin;
Pin connects major axis and circular platen, and hollow pin connects circular platen and serrated knife positioning disk, guarantees that the transmission of power of transmission system is to the serrated knife positioning disk; The outside fix dish connects the serrated knife positioning disk and the serrated knife positioning disk guarantees that the serrated knife positioning disk is concentric with major axis.
8. the rocker arm of coal mining machine with scalable fluting mechanism according to claim 7 is characterized in that:
Described bearing support is equipped with little rotatory sealing, can cooperate to realize sealing with the little cylindrical of major axis; Described seal receptacle is equipped with big rotatory sealing, can cooperate to realize sealing with the big cylindrical of major axis.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104389600A (en) * | 2014-12-02 | 2015-03-04 | 中国矿业大学 | Rocker arm device of short-distance transmission coal mining machine |
| CN106223946A (en) * | 2016-09-20 | 2016-12-14 | 天地上海采掘装备科技有限公司 | Low seam mining machinery traction and the attachment structure of rocking arm |
| CN109538203A (en) * | 2019-01-14 | 2019-03-29 | 太重煤机有限公司 | The cutting means of vertical shearer |
| CN116378695A (en) * | 2023-04-07 | 2023-07-04 | 廊坊景隆重工机械有限公司 | Mining thin coal seam hydraulic grooving machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116378695A (en) * | 2023-04-07 | 2023-07-04 | 廊坊景隆重工机械有限公司 | Mining thin coal seam hydraulic grooving machine |
| CN116378695B (en) * | 2023-04-07 | 2023-09-29 | 廊坊景隆重工机械有限公司 | Mining thin coal seam hydraulic grooving machine |
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