CN205778852U - High working face shearer hauled-part with cutting mechanism - Google Patents
High working face shearer hauled-part with cutting mechanism Download PDFInfo
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- CN205778852U CN205778852U CN201620096714.1U CN201620096714U CN205778852U CN 205778852 U CN205778852 U CN 205778852U CN 201620096714 U CN201620096714 U CN 201620096714U CN 205778852 U CN205778852 U CN 205778852U
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Abstract
This utility model discloses the high working face shearer hauled-part of a kind of band cutting mechanism, and described tractive unit includes: tractive unit housing, traction electric machine, gear reduction system, walking case, supporting leg, hydraulic system and cutting mechanism；Described traction electric machine passes to walking case with tractive unit housing power by gear reduction system, and supporting leg supports shearer hauled-part；Described tractive unit is introduced hydraulic system by the hydraulic power unit of crossheading by pipeline annular feed flow, provides power to hydraulic part；Described hydraulic system mainly comprises hands hydraulicchange-over valve, solenoid directional control valve, overflow valve etc.；Cutting mechanism is fixed on tractive unit housing；Described cutting mechanism includes cutting motor, clutch, connecting shaft, galianconism；Cutting motor passes to connecting shaft by the spline in clutch power, and then connecting shaft passes to galianconism by spline fitted.This utility model can improve the coal-winning machine reliability at large-mining-height working surface so that super high seam full-seam mining becomes a reality.
Description
Technical field
This utility model belongs to coal excavation apparatus technical field, relates to a kind of coal-winning machine, particularly relates to the high working face shearer hauled-part of a kind of band cutting mechanism.
Background technology
Coal in China rich reserves, coal production occupies first place in the world.Coal-winning machine increasingly develops towards the powerful direction of the high working face of full-seam mining.Full-seam mining coal seam thickness reaches the coal-winning machine demand of more than 6.7m and gets more and more, and use traditional double-ended shearer more and more limited, machine height is the highest, cylinder is the biggest, cause coal-winning machine that a lot of unpredicted problem occurs in terms of hydraulic system, component of machine and stability, have a strong impact on efficiency and the reliability of coal-winning machine work.
In view of this, nowadays in the urgent need to designing a kind of new coal-winning machine structure, in order to overcome the drawbacks described above that existing coal-winning machine exists.
Utility model content
Technical problem to be solved in the utility model is: provide the high working face shearer hauled-part of a kind of band cutting mechanism, can solve that double-ended shearer high working face diameter of cylinder is bigger, machine height higher causes oil cylinder balanced valve to lose efficacy, fuselage stability and the problem of walking case cracking, improve the coal-winning machine reliability at large-mining-height working surface so that super high seam full-seam mining becomes a reality.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
The high working face shearer hauled-part of a kind of band cutting mechanism, described tractive unit includes: tractive unit housing, traction electric machine, gear reduction system, walking case, supporting leg, hydraulic system and cutting mechanism；
Described traction electric machine passes to walking case with tractive unit housing power by gear reduction system, and supporting leg supports shearer hauled-part；
Described tractive unit is introduced hydraulic system by the hydraulic power unit of crossheading by pipeline annular feed flow, provides power to hydraulic part；Described hydraulic system comprises hands hydraulicchange-over valve, solenoid directional control valve, overflow valve etc.；Cutting mechanism is fixed on tractive unit housing；
Described cutting mechanism includes cutting motor, clutch, connecting shaft, galianconism；Cutting motor passes to connecting shaft by the spline in clutch power, and then connecting shaft passes to galianconism by spline fitted.
As a kind of preferred version of the present utility model, described galianconism comprises galianconism housing, straight-tooth drive system, water circuit system, planetary mechanism and cylinder；
Described straight-tooth drive system passes to planetary mechanism by primary speed-down power, utilizes the big speed ratio of planetary mechanism to slow down, and by side's tenon and bolt, power is passed to cylinder, then in the middle part of cut coal seam.Coal-winning machine cooling water enters water circuit system by support seat inner duct, and a part of water is lowered the temperature to galianconism by galianconism housing, straight-tooth drive system, and a part of water passes planetary mechanism center by stainless steel tube and flows into cylinder.
As a kind of preferred version of the present utility model, described planetary mechanism comprises sun gear, bearing group, planetary wheeling assembly, planet carrier, ring gear, float grease seal structure, cylinder adapter sleeve, end-cap assembly and bolt assembly；
Described straight-tooth drive system passes to sun gear by spline power, by 2K-H planet circular system transmission, power is passed to cylinder adapter sleeve by the spline on planet carrier；
Described bearing group supports the two ends of planet carrier, prevents planet carrier from swinging, it is ensured that the gap of float grease seal structure；
Described planetary wheeling assembly mainly comprises planetary gear, axle, bearing, circlip for hole, including some groups, is distributed between sun gear and ring gear；Ring gear is fixed to galianconism housing by the stay bolt in bolt group and bearing pin, prevents ring gear from rotating；Float grease seal structure plays the effect of sealing, prevents impurity from entering planetary mechanism, affects bearing life and meshed transmission gear；End-cap assembly plays the stainless steel tube in fixing water circuit system and the effect of sealed planetary mechanism.
As a kind of preferred version of the present utility model, described hydraulic system comprises hands hydraulicchange-over valve, solenoid directional control valve, overflow valve etc., does not comprise pump motor and the power source of pump composition.
As a kind of preferred version of the present utility model, described hydraulic system utilizes the hydraulic power unit annular feed flow at crossheading to provide high voltage power oil, during in cable clamp, oil inlet pipe passes to coal-mining machine hydraulic system, then each oil return branch in hydraulic system collaborates by oil return pipe in cable clamp to the fuel tank of crossheading hydraulic power unit.
As a kind of preferred version of the present utility model, described cutting mechanism utilizes the space removing pump motor and gear pump in towing-cable suspended-wagon, cutting motor is positioned in tractive unit housing, coal-winning machine fuselage or syllogic, the most left tractive unit, right tractive unit and electric cabinet.
As a kind of preferred version of the present utility model, described cutting motor selects single-speed motor or double-speed motor, rotor in motor realizes power by clutch female splined shaft and transmits, the splined shaft end of clutch inserts in the connecting shaft of cutting mechanism, draws splined shaft to play a part clutch folding by handle；
Described support seat is fixed on tractive unit housing by screw and pin, and meanwhile, supporting seat provides support and sealing function for connecting shaft, outside framework oil seal again；
Described galianconism requires according to mining height and work surface coal seam thickness scope rotates its angles and positions, then is fixed to support on seat by bearing pin and screw, and during mining, galianconism can not rotate；In it, straight-tooth drive system and planetary mechanism are exporting after the dynamic retarding of cutting motor to cylinder, and ensure movable sealing by the float grease seal mechanism in planetary mechanism, complete coal cutting requirement.
As a kind of preferred version of the present utility model, described water circuit system is by the water pipe in tractive unit, it is incorporated in the Lao Tang side water jacket of fixed arm through supporting seat, a part of water is lowered the temperature to galianconism by galianconism housing and straight-tooth drive system, a part of water passes planetary mechanism center by stainless steel tube and flows into cylinder, spray cooling, depositing dust.
The beneficial effects of the utility model are: the band cutting mechanism that the utility model proposes, the high working face shearer hauled-part of adaptation more than 6.7m high seam, tractive unit cutting mechanism is responsible in the middle part of cut coal seam, a kind of design reliably is provided, it is possible to make up traditional double drum electric haulage shearer and improved the deficiency of cut super high seam height by increase diameter of cylinder and machine height for high working face coal-winning machine.By using shearer hauled-part described in the utility model, solve that double-ended shearer high working face diameter of cylinder is bigger, machine height higher causes oil cylinder balanced valve to lose efficacy, fuselage stability and the problem of walking case cracking, improve the coal-winning machine reliability at large-mining-height working surface so that super high seam full-seam mining becomes a reality.
Accompanying drawing explanation
Fig. 1-1 is the structural representation of the tractive unit of this utility model band cutting mechanism.
Fig. 1-2 is another structural representation of the tractive unit of this utility model band cutting mechanism.
Fig. 2 is the partial enlarged drawing of this utility model tractive unit cutting mechanism.
Fig. 3 is the galianconism partial enlarged drawing of this utility model cutting mechanism.
Fig. 4 is this utility model galianconism planetary mechanism schematic diagram.
Fig. 5 is that this utility model tractive unit adapts to more than 6.7m high seam coal mining machine cut coal schematic diagram.
Fig. 6 is another schematic diagram that this utility model tractive unit adapts to more than 6.7m high seam coal mining machine cut coal.
Detailed description of the invention
Describe preferred embodiment of the present utility model below in conjunction with the accompanying drawings in detail.
Embodiment one
Refer to Fig. 1-1, Fig. 1-2, this utility model discloses the high working face shearer hauled-part of a kind of band cutting mechanism, and described shearer hauled-part includes: tractive unit housing 1, traction electric machine 2, gear reduction system 3, walking case 4, supporting leg 5, hydraulic system 6, cutting mechanism 7.Traction electric machine 2 passes to traveling box of coal mining machine 4 by gear reduction system 3 and 1 power of tractive unit housing, and the road wheel in walking case engages haulage shearer walking with scrapper conveyor pin row；Supporting leg 5 is fixed to the rib side of tractive unit housing 1, supports shearer hauled-part.
Described hydraulic system 6 comprises the valve groups such as hands hydraulicchange-over valve, solenoid directional control valve, overflow valve, pump motor and gear pump offer power source in traditional tractive unit is not provided, the hydraulic oil that coal-winning machine needs is provided by the hydraulic power unit annular feed flow of crossheading, the locus saved is to cutting mechanism 7, one is to avoid shearer hauled-part long, increasing coal-winning machine and walk the curved adaptability of S, two is to alleviate coal-winning machine overall weight, beneficially shearer haulage walking；Cutting mechanism 7 is fixed on tractive unit housing 1.
Described cutting mechanism 7 includes cutting motor 71, clutch 72, connecting shaft 73, supports seat 74, galianconism 75 etc..Cutting motor 71 passes to connecting shaft 73 by the spline in clutch 72 power, and then connecting shaft 73 passes to the straight-tooth drive system 752 in galianconism 75 by spline fitted.Clutch 72 is pulled open by its female splined shaft of hadle with connecting shaft 73 internal spline or coordinates, and plays the effect of clutch, it is ensured that coal-winning machine safety inspection in a non-operative state.Support seat 74 to position by big seam, utilize high-strength screw and pin to be fixed on tractive unit housing 1, by bearings connecting shaft 73, utilize outside framework oil seal to keep apart gear oil pocket and motor cavity.Galianconism 75 is fixed to support on seat 74 by screw and straight pin, plays the effect of fixing galianconism 75.
Described galianconism 75 comprises the parts such as galianconism housing 751, straight-tooth drive system 752, water circuit system 753, planetary mechanism 754 and cylinder 755.Straight-tooth drive system 752 passes to planetary mechanism 754 by primary speed-down power, utilizes the big speed ratio of planetary mechanism 754 to slow down, and by side's tenon and bolt, power is passed to cylinder 755, then in the middle part of cut coal seam.Coal-winning machine cooling water enters water circuit system 753 by supporting seat 74 inner duct, a part of water lowers the temperature to galianconism 75 by galianconism housing 751, straight-tooth drive system 752, a part of water flows into cylinder 755 by stainless steel tube through planetary mechanism 754 center, plays the effect of spray cooling, depositing dust.
Described planetary mechanism 754 comprises sun gear 7541, bearing group 7542, planetary wheeling assembly 7543, planet carrier 7544, ring gear 7545, float grease seal structure 7546, cylinder adapter sleeve 7547, end-cap assembly 7548 and bolt assembly 7549.Straight-tooth drive system 752 passes to sun gear 7541 by spline power, by 2K-H planet circular system transmission, power is passed to cylinder adapter sleeve 7547 by the spline on planet carrier 7544.Bearing group 7542 supports the two ends of planet carrier 7544, prevents planet carrier from swinging, it is ensured that the gap of float grease seal structure 7546.Planetary wheeling assembly 7543 mainly comprises the parts such as planetary gear, axle, bearing, circlip for hole, totally three groups, is distributed between sun gear 7541 and ring gear 7545；Ring gear 7545 is fixed to galianconism housing 751 by the stay bolt in bolt group 7549 and bearing pin, prevents ring gear from rotating.Float grease seal structure 7546 plays the effect of sealing, prevents the impurity such as coal dust from entering planetary mechanism 754, affects bearing life and meshed transmission gear；End-cap assembly 7548 plays the stainless steel tube in fixing water circuit system 753 and the effect of sealed planetary mechanism 754.
As shown in Figure 5, Figure 6, during coal-winning machine coal cutting, the Coal Seam Thickness Change scope of adaptation is that on tractive unit cutting mechanism cylinder, rock h1 is to maximum height h in coal seam, and passage step pitch is p, should not be too big in the case of high working face, prevents roof fall and wall caving.Owing to galianconism 75 is fixing, so the minimum mining height of its work surface is h1, wherein the maximum of h1 is Rocker drum diameter D and tractive unit diameter of cylinder d sum (D+d), and h maximum is three diameter of cylinder sums (2D+d) of coal-winning machine, and D > d.Experience is used according to coal-winning machine, when coal seam thickness h is in the range of 6.7m～9m, if diameter of cylinder is very big (D >=3500mm), drum weight will increase a lot, flywheel effect and eccentricity effect are the most notable, oil cylinder balanced valve often damages, Hydraulic System Reliability weakens the most significantly, if machine height is the highest, center of gravity is higher, coal mining machine roller stress is the biggest, rocking arm up-down vibration, cause complete machine stability very poor, the stress of walking case can be the biggest, cause the catastrophe failures such as case cracking of walking, therefore, use the tractive unit of band cutting mechanism of the present utility model, rocker arm of coal mining machine diameter of cylinder can reduce, machine height reduces, effect can be more notable.
In sum, the band cutting mechanism that the utility model proposes, the high working face shearer hauled-part of adaptation more than 6.7m high seam, tractive unit cutting mechanism is responsible in the middle part of cut coal seam, a kind of design reliably is provided, it is possible to make up traditional double drum electric haulage shearer and improved the deficiency of cut super high seam height by increase diameter of cylinder and machine height for high working face coal-winning machine.By using shearer hauled-part described in the utility model, solve that double-ended shearer high working face diameter of cylinder is bigger, machine height higher causes oil cylinder balanced valve to lose efficacy, fuselage stability and the problem of walking case cracking, improve the coal-winning machine reliability at large-mining-height working surface so that super high seam full-seam mining becomes a reality.
Description the most of the present utility model and application are illustrative, are not wishing to limit in the above-described embodiments scope of the present utility model.The deformation of embodiments disclosed herein and change are possible, and for those skilled in the art, embodiment is replaced and the various parts of equivalence are known.It should be appreciated by the person skilled in the art that in the case of without departing from spirit or essential characteristics of the present utility model, this utility model can in other forms, structure, layout, ratio, and realize with other assembly, material and parts.In the case of without departing from this utility model scope and spirit, embodiments disclosed herein can be carried out other deformation and change.
Claims (8)
1. the high working face shearer hauled-part of a band cutting mechanism, it is characterised in that described tractive unit includes: tractive unit housing, traction electric machine, gear reduction system, walking case, supporting leg, hydraulic system and cutting mechanism；
Described traction electric machine passes to walking case with tractive unit housing power by gear reduction system, and supporting leg supports shearer hauled-part；
Described tractive unit is introduced hydraulic system by the hydraulic power unit of crossheading by pipeline annular feed flow, provides power to hydraulic part；Cutting mechanism is fixed on tractive unit housing；
Described cutting mechanism includes cutting motor, clutch, connecting shaft, galianconism；Cutting motor passes to connecting shaft by the spline in clutch power, and then connecting shaft passes to galianconism by spline fitted.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 1, it is characterised in that:
Described galianconism comprises galianconism housing, straight-tooth drive system, water circuit system, planetary mechanism and cylinder；
Described straight-tooth drive system passes to planetary mechanism by primary speed-down power, utilizes the big speed ratio of planetary mechanism to slow down, and by side's tenon and bolt, power is passed to cylinder, then in the middle part of cut coal seam；Coal-winning machine cooling water enters water circuit system by support seat inner duct, and a part of water is lowered the temperature to galianconism by galianconism housing, straight-tooth drive system, and a part of water passes planetary mechanism center by stainless steel tube and flows into cylinder.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 2, it is characterised in that:
Described planetary mechanism comprises sun gear, bearing group, planetary wheeling assembly, planet carrier, ring gear, float grease seal structure, cylinder adapter sleeve, end-cap assembly and bolt assembly；
Described straight-tooth drive system passes to sun gear by spline power, by 2K-H planet circular system transmission, power is passed to cylinder adapter sleeve by the spline on planet carrier；
Described bearing group supports the two ends of planet carrier, prevents planet carrier from swinging, it is ensured that the gap of float grease seal structure；
Described planetary wheeling assembly mainly comprises planetary gear, axle, bearing, circlip for hole, including some groups, is distributed between sun gear and ring gear；Ring gear is fixed to galianconism housing by the stay bolt in bolt group and bearing pin, prevents ring gear from rotating；Float grease seal structure plays the effect of sealing, prevents impurity from entering planetary mechanism, affects bearing life and meshed transmission gear；End-cap assembly plays the stainless steel tube in fixing water circuit system and the effect of sealed planetary mechanism.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 1, it is characterised in that:
Described hydraulic system comprises one or more in hands hydraulicchange-over valve, solenoid directional control valve, overflow valve hydraulic part, does not comprise pump motor and the power source of pump composition.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 1, it is characterised in that:
Described hydraulic system utilizes the hydraulic power unit annular feed flow at crossheading to provide high voltage power oil, during in cable clamp, oil inlet pipe passes to coal-mining machine hydraulic system, then each oil return branch in hydraulic system collaborates by oil return pipe in cable clamp to the fuel tank of crossheading hydraulic power unit.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 1, it is characterised in that:
Described cutting mechanism utilizes the space removing pump motor and gear pump in towing-cable suspended-wagon, and cutting motor is positioned in tractive unit housing, coal-winning machine fuselage or syllogic, the most left tractive unit, right tractive unit and electric cabinet.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 1, it is characterised in that:
Described cutting motor selects single-speed motor or double-speed motor, rotor in motor realizes power by clutch female splined shaft and transmits, the splined shaft end of clutch inserts in the connecting shaft of cutting mechanism, draws splined shaft to play a part clutch folding by handle；
Described support seat is fixed on tractive unit housing by screw and pin, and meanwhile, supporting seat provides support and sealing function for connecting shaft, outside framework oil seal again；
Described galianconism requires according to mining height and work surface coal seam thickness scope rotates its angles and positions, then is fixed to support on seat by bearing pin and screw, and during mining, galianconism can not rotate；In it, straight-tooth drive system and planetary mechanism are exporting after the dynamic retarding of cutting motor to cylinder, and ensure movable sealing by the float grease seal mechanism in planetary mechanism, complete coal cutting requirement.
The high working face shearer hauled-part of band cutting mechanism the most according to claim 2, it is characterised in that:
Described water circuit system is by the water pipe in tractive unit, it is incorporated in the Lao Tang side water jacket of galianconism through supporting seat, a part of water is lowered the temperature to galianconism by galianconism housing and straight-tooth drive system, and a part of water passes planetary mechanism center by stainless steel tube and flows into cylinder, spray cooling, depositing dust.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620096714.1U CN205778852U (en) | 2016-01-29 | 2016-01-29 | High working face shearer hauled-part with cutting mechanism |
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| CN201620096714.1U CN205778852U (en) | 2016-01-29 | 2016-01-29 | High working face shearer hauled-part with cutting mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569656A (en) * | 2016-01-29 | 2016-05-11 | 天地上海采掘装备科技有限公司 | Large-mining-height coal cutter haulage part provided with cutting mechanism |
| CN107829733A (en) * | 2017-12-05 | 2018-03-23 | 山东科技大学 | A kind of winning machine cutting part with double speed roller |
| CN111411958A (en) * | 2020-03-30 | 2020-07-14 | 太重煤机有限公司 | Coal mining machine planetary mechanism |
-
2016
- 2016-01-29 CN CN201620096714.1U patent/CN205778852U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569656A (en) * | 2016-01-29 | 2016-05-11 | 天地上海采掘装备科技有限公司 | Large-mining-height coal cutter haulage part provided with cutting mechanism |
| CN107829733A (en) * | 2017-12-05 | 2018-03-23 | 山东科技大学 | A kind of winning machine cutting part with double speed roller |
| CN107829733B (en) * | 2017-12-05 | 2023-06-09 | 山东科技大学 | Coal cutter cutting part with double-speed roller |
| CN111411958A (en) * | 2020-03-30 | 2020-07-14 | 太重煤机有限公司 | Coal mining machine planetary mechanism |
| CN111411958B (en) * | 2020-03-30 | 2022-05-10 | 太重煤机有限公司 | Coal mining machine planetary mechanism |
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Address after: No.1 Tianyaoqiao Road, Xuhui District, Shanghai 200030 Patentee after: TIANDI SHANGHAI MINING EQUIPMENT TECHNOLOGY Co.,Ltd. Patentee after: TIANDI SCIENCE & TECHNOLOGY Co.,Ltd. SHANGHAI BRANCH Patentee after: Shaanxi energy Liangshuijing Mining Co.,Ltd. Address before: No.1 Tianyaoqiao Road, Xuhui District, Shanghai 200030 Patentee before: TIANDI SHANGHAI MINING EQUIPMENT TECHNOLOGY Co.,Ltd. Patentee before: TIANDI SCIENCE & TECHNOLOGY Co.,Ltd. SHANGHAI BRANCH Patentee before: SHENMU HUISEN LIANGSHUIJING MINING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |