CN103982182B - Cutting part of heading machine hybrid power transmission system - Google Patents
Cutting part of heading machine hybrid power transmission system Download PDFInfo
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- CN103982182B CN103982182B CN201410227930.0A CN201410227930A CN103982182B CN 103982182 B CN103982182 B CN 103982182B CN 201410227930 A CN201410227930 A CN 201410227930A CN 103982182 B CN103982182 B CN 103982182B
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Abstract
The invention discloses a kind of cutting part of heading machine hybrid power transmission system, the hydraulic power system comprising cutting motor, cutterhead, hydraulic motor and be connected with hydraulic motor, is in transmission connection by planetary reduction gear between described cutting motor and cutterhead; Between the power end of described hydraulic motor and planetary reduction gear, rotating speed is of coupled connections, or between the power end of described hydraulic motor and the power input shaft of cutterhead, torque coupling connects.In the present invention, cutterhead power is provided jointly by cutting motor and hydraulic motor, the hydraulic power system of traveling mechanism is driven to can be used for driving hydraulic motor, the power that therefore can reduce cutting motor alleviates the load of cutting arm, and hydraulic power system power also can be fully utilized; And vibratory impulse when being worked from cutterhead by hydraulic system and mechanical system shared, vibratory impulse when can reduce cutterhead work, to the damage of cutting motor, extends the application life of each parts, improves the adaptivity of cut operating mode.
Description
Technical field
The present invention relates to a kind of transmission system, particularly a kind of transmission system of cutting part of heading machine.
Background technology
At present, in the recovery process of colliery, mine and engineering tunnel, existing boom-type roadheader adopts two heavy-duty motors mostly, and wherein, a motor is as cutting units power source; Another portion is as traveling mechanism power source.
Determine the driving process of development machine due to development machine work characteristics and cutting course can not carry out simultaneously, the hydraulic system power which results in existing development machine traveling mechanism can not be fully utilized in cutting course; Simultaneously, due to tunneling machine cutting process according to the rules cut route carry out, thus its cutting arm hydraulic lifting system and rotary system also can not work simultaneously, one therefore in jacking system and rotary system when working, and another hydraulic system power just can not be fully utilized.
Meanwhile, existing tunneling machine cutting operating mode is non-adjustable, and cannot carry out speed governing according to different coal petrography hardness and cut operating mode, the adaptivity of whole system is poor.
And what existing cutting part of heading machine adopted is single machine driven system, and it is difficult to adapt to the vibratory impulse in its course of work, and the powerful impact shock of cutting units easily causes cutting motor to damage.
Summary of the invention
In view of this, the object of this invention is to provide a kind of cutting part of heading machine hybrid power transmission system, can not be fully utilized with the hydraulic system power solving existing development machine traveling mechanism, jacking system and rotary system, cutting motor power is large under Same Efficieney, cut speed governing is poor and the problem of cutting part of heading machine transmission system anti-vibrating and impact difference.
Cutting part of heading machine hybrid power transmission system of the present invention, the hydraulic power system comprising cutting motor, cutterhead, hydraulic motor and be connected with hydraulic motor, is in transmission connection by planetary reduction gear between described cutting motor and cutterhead; By gear pair rotating speed coupled drive between the power end of described hydraulic motor and planetary reduction gear, or by the transmission of gear pair torque coupling between the power end of described hydraulic motor and the power input shaft of cutterhead.
Further, described planetary reduction gear comprises first order planet circular system and second level planet circular system, the described sun gear of first order planet circular system is coaxially fixedly connected with the clutch end of cutting motor, the planet carrier of described first order planet circular system is coaxially fixedly connected with the sun gear of second level planet circular system, connected by yielding coupling between the planet carrier of described second level planet circular system and the power input shaft of cutterhead, the gear ring of described second level planet circular system is fixedly installed; By gear pair rotating speed coupled drive between the power end of described hydraulic motor and the gear ring of first order planet circular system.
Further, described hydraulic power system is also connected with the running motor of development machine traveling mechanism.
Further, described hydraulic power system is also connected with the hoist cylinder of development machine elevating mechanism and the angling cylinder of development machine slew gear, be communicated with by petroleum pipeline between the oil-in of described hoist cylinder and angling cylinder and the oil-in of hydraulic motor, described petroleum pipeline is provided with accumulator.
Beneficial effect of the present invention:
1, cutting part of heading machine hybrid power transmission system of the present invention, its cutterhead power is provided jointly by cutting motor and hydraulic motor, when development machine traveling mechanism quits work, drives the hydraulic power system of traveling mechanism can transfer for driving hydraulic motor; And the hydraulic power system supply elevating mechanism of development machine or the power of slew gear also can be stored in accumulator, and the power of hydraulic motor also can come from accumulator; Because cutterhead is also by fluid motor-driven, therefore can reduce the power of cutting motor, reduce described cutting motor size, alleviate the load of cutting arm, reduce the requirement to cutting arm intensity, and hydraulic power system power also can be fully utilized.
2, cutting part of heading machine hybrid power transmission system of the present invention, be in transmission connection by gear pair between the power end of its hydraulic motor and planetary reduction gear, hydraulic motor and cutting motor realize rotating speed coupling by planetary reduction gear, make development machine can according to the rotating speed of cut coal seam characteristic reasonable adjusting cutterhead.
3, cutting part of heading machine hybrid power transmission system of the present invention, when cutting motor, planetary reduction gear drive path break down, cutting head of roadheader still can pass through Hydraulic Power Transmission System, fluid motor-driven work, and development machine reply failures is strong, and productivity ratio is high.
4, cutting part of heading machine hybrid power transmission system of the present invention, the present invention adopts yielding coupling to connect cutterhead and planetary reduction gear, and vibratory impulse when being worked from cutterhead by hydraulic system and mechanical system shared, can reduce cutterhead work time vibratory impulse to the damage of cutting motor, extend the application life of each parts.
Accompanying drawing explanation
Fig. 1 is the first embodiment structural representation of cutting part of heading machine hybrid power transmission of the present invention;
Fig. 2 is the second embodiment structural representation of cutting part of heading machine hybrid power transmission of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the present embodiment cutting part of heading machine hybrid power transmission system, the hydraulic power system 9 comprising cutting motor 1, cutterhead 5, hydraulic motor 7 and be connected with hydraulic motor 7, described hydraulic power system 9 can be the original hydraulic power system of development machine, be in transmission connection by planetary reduction gear between described cutting motor 1 and cutterhead 5, be in transmission connection by gear pair between the power end of described hydraulic motor 7 and planetary reduction gear.
In the present embodiment, described planetary reduction gear comprises first order planet circular system 2 and second level planet circular system 3, the sun gear of described first order planet circular system 2 is coaxially fixedly connected with the clutch end of cutting motor 1, the planet carrier of described first order planet circular system 2 is coaxially fixedly connected with the sun gear of second level planet circular system 3, connected by yielding coupling 4 between the planet carrier of described second level planet circular system 3 and the power input shaft of cutterhead 5, the gear ring of described second level planet circular system 3 is fixedly installed; Be in transmission connection by gear pair between the power end of described hydraulic motor 7 and the gear ring of first order planet circular system 2, realize rotating speed coupling, described gear pair comprises the motor gear 6 that is coaxially fixedly connected with the power end of hydraulic motor 7 and is arranged on the external gear that first order planet circular system 2 gear ring engages with motor gear 6.
The present embodiment cutting part of heading machine hybrid power transmission system, the power of its cutterhead 5 is provided jointly by cutting motor 1 and hydraulic motor 7, when the traveling mechanism 8 of development machine quits work, drive the hydraulic power system 9 of traveling mechanism 8 can transfer for driving hydraulic motor 7, therefore can reduce the power of cutting motor 1, reduce the size of described cutting motor 1, alleviate the load of cutting arm, reduce the requirement to cutting arm intensity, and the power of hydraulic power system 9 also can be fully utilized.
Owing to being in transmission connection by gear pair between the power end of hydraulic motor 7 and planetary reduction gear, hydraulic motor and cutting motor realize rotating speed coupling by planetary reduction gear, make development machine can according to cut coal seam characteristic reasonable adjusting cutterhead rotating speed.Certainly in different embodiments, as shown in Figure 2, the power end of described hydraulic motor 7 also can be connected by gear drive with between the power input shaft of cutterhead 5, can realize the torque coupling of hydraulic motor and cutting motor.
And vibratory impulse during owing to being worked from cutterhead 5 by hydraulic system and mechanical system shared, therefore can be reduced vibratory impulse when cutterhead 5 works to the damage of cutting motor 1, extend the application life of each parts.
As the improvement to the present embodiment, described hydraulic power system 9 is also connected with the running motor of development machine traveling mechanism 8, the driving process of development machine is determined and cutting course can not carry out simultaneously due to development machine work characteristics, therefore when cutterhead 5 works, traveling mechanism 8 just quits work, the power of hydraulic power system 9 can be made for driving hydraulic motor 7 by the solenoid operated directional valve on hydraulic control system oil-way, thus reach the object reducing cutting motor 1 power.
As the improvement to the present embodiment, described hydraulic power system 9 is also connected with the hoist cylinder 10 of development machine elevating mechanism and the angling cylinder 12 of development machine slew gear, the oil-in of described hoist cylinder 10 and angling cylinder 11 is communicated with by petroleum pipeline with between the oil-in of hydraulic motor 7, described petroleum pipeline is provided with accumulator 11; Due to tunneling machine cutting process according to the rules cut route carry out, thus elevating mechanism and slew gear also can not work simultaneously, therefore one in jacking system and rotary system when working, another hydraulic system power just can not be fully utilized, this improvement makes hydraulic power system supply the elevating mechanism of development machine or the power of slew gear can be stored in accumulator, make the power of hydraulic motor also can come from accumulator, thus the power of cutting motor 1 can be reduced further, and the power of hydraulic power system is more made full use of.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. a cutting part of heading machine hybrid power transmission system, is characterized in that: the hydraulic power system comprising cutting motor, cutterhead, hydraulic motor and be connected with hydraulic motor, is in transmission connection by planetary reduction gear between described cutting motor and cutterhead; By gear pair rotating speed coupled drive between the power end of described hydraulic motor and planetary reduction gear, or by the transmission of gear pair torque coupling between the power end of described hydraulic motor and the power input shaft of cutterhead;
Described planetary reduction gear comprises first order planet circular system and second level planet circular system, the described sun gear of first order planet circular system is coaxially fixedly connected with the clutch end of cutting motor, the planet carrier of described first order planet circular system is coaxially fixedly connected with the sun gear of second level planet circular system, connected by yielding coupling between the planet carrier of described second level planet circular system and the power input shaft of cutterhead, the gear ring of described second level planet circular system is fixedly installed; By gear pair rotating speed coupled drive between the power end of described hydraulic motor and the gear ring of first order planet circular system;
Described hydraulic power system is also connected with the running motor of development machine traveling mechanism;
Described hydraulic power system is also connected with the hoist cylinder of development machine elevating mechanism and the angling cylinder of development machine slew gear, be communicated with by petroleum pipeline between the oil-in of described hoist cylinder and angling cylinder and the oil-in of hydraulic motor, described petroleum pipeline is provided with accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227930.0A CN103982182B (en) | 2014-05-27 | 2014-05-27 | Cutting part of heading machine hybrid power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227930.0A CN103982182B (en) | 2014-05-27 | 2014-05-27 | Cutting part of heading machine hybrid power transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982182A CN103982182A (en) | 2014-08-13 |
| CN103982182B true CN103982182B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410227930.0A Expired - Fee Related CN103982182B (en) | 2014-05-27 | 2014-05-27 | Cutting part of heading machine hybrid power transmission system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453888B (en) * | 2014-10-31 | 2016-08-31 | 三一重型装备有限公司 | Cutting mechanism and development machine |
| CN104500062B (en) * | 2014-12-04 | 2016-08-17 | 重庆大学 | Winning machine cutting part actuating unit |
| CN105649639B (en) * | 2016-01-31 | 2017-12-12 | 太原理工大学 | A kind of shielding tunnel excavator hybrid drive system and its control method |
| CN106351656A (en) * | 2016-10-21 | 2017-01-25 | 南京六合佳源矿山设备有限公司 | Cutting part of stepless speed changing coal cutter based on hydraulic closed transmission system |
| CN110500091A (en) * | 2019-09-29 | 2019-11-26 | 三一重型装备有限公司 | Development machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744029A1 (en) * | 1987-12-24 | 1989-07-06 | Salzgitter Maschinenbau | Selective cut heading machine |
| CN2560756Y (en) * | 2002-07-26 | 2003-07-16 | 赖涤泉 | Vibrating cutting mechanism for arm entry-driving machine |
| CN201013374Y (en) * | 2006-07-26 | 2008-01-30 | 三一重型装备有限公司 | Tunneling machine cutting portion constant-power hydraulic system |
| CN103573960A (en) * | 2013-10-22 | 2014-02-12 | 重庆大学 | Electromechanical hydraulic hybrid power transmission device for cutting part of coal mining heading machine |
-
2014
- 2014-05-27 CN CN201410227930.0A patent/CN103982182B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744029A1 (en) * | 1987-12-24 | 1989-07-06 | Salzgitter Maschinenbau | Selective cut heading machine |
| CN2560756Y (en) * | 2002-07-26 | 2003-07-16 | 赖涤泉 | Vibrating cutting mechanism for arm entry-driving machine |
| CN201013374Y (en) * | 2006-07-26 | 2008-01-30 | 三一重型装备有限公司 | Tunneling machine cutting portion constant-power hydraulic system |
| CN103573960A (en) * | 2013-10-22 | 2014-02-12 | 重庆大学 | Electromechanical hydraulic hybrid power transmission device for cutting part of coal mining heading machine |
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| CN103982182A (en) | 2014-08-13 |
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Granted publication date: 20160323 |