CN103821885A - Coal mining machine mechanical, electric and hydraulic composite short range transmission system - Google Patents
Coal mining machine mechanical, electric and hydraulic composite short range transmission system Download PDFInfo
- Publication number
- CN103821885A CN103821885A CN201410061694.XA CN201410061694A CN103821885A CN 103821885 A CN103821885 A CN 103821885A CN 201410061694 A CN201410061694 A CN 201410061694A CN 103821885 A CN103821885 A CN 103821885A
- Authority
- CN
- China
- Prior art keywords
- gear
- output
- transmission system
- winning machine
- coal winning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/58—Gearings having only two central gears, connected by orbital gears with sets of orbital gears, each consisting of two or more intermeshing orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a coal mining machine mechanical, electric and hydraulic composite short range transmission system which comprises a power system, a variable transmission system and a shell. The power system comprises a main power device and an auxiliary power device. The main power device comprises a main power input assembly and a first input sun wheel. The auxiliary power device comprises an auxiliary power input assembly, a second input sun wheel and a second output planet gear. The variable transmission system comprises a first output planet gear, a duplex planet carrier gear and a first output gear ring for driving a cutterhead of a coal mining machine to rotate. The coal mining machine mechanical, electric and hydraulic composite short range transmission system can meet the requirements for different working conditions, and has the advantages of being large in output, high in bearing capacity, good in impact resistance, large in transmission ratio, short in transmission chain and the like; meanwhile, installation and detachment difficulties can be reduced, maintenance and repair cost can be reduced, reliability of the transmission system can be improved, and the problem that asynchrony of a traditional driving system occurs due to the multi-path speed change, the long transmission chain, the simplex power source and the poor rocker arm deformation resistance is fundamentally solved.
Description
Technical field
The invention belongs to coal winning machine short distance transmission system field, be specifically related to a kind of compound short distance transmission system of mechanical electronic hydraulic of coal winning machine machine-liquid multi-power source.
Background technique
Coal is the main body energy of China, 36.6 hundred million tons of extraction coals in 2012, mining depth is greater than the mine of 500 meters and accounts for 40%, existing more than 40 mine adopted and deeply exceeded km, at present just with the speed of annual 8-12m to deep deepening.Coal in China output more than 90% rely on underground mining mode, and geology and mining conditions more severe, cause coal winning machine whole aircraft reliability entirety compared with low, operation troubles is many.For example, the domestic coal winning machine that certain ore deposit of Huainan Mining Area is used has been changed 7 cut transmission arms within half a year, and another colliery is used Germany's product coal winning machine that cutting arm transmission fault does not occur for 2 years.Field statistics shows, the reliability effect Du Keda 35% of coal winning machine failure of gear transmission to complete machine.
The heavy duty of digging operation, shake by force, impulsive load all carries out transmission by gear mechanism.Coal winning machine drive part is baroque serial power transfer chain, will cause complete machine to quit work if a gear occurs to lose efficacy; Meanwhile, active service coal winning machine generally adopts a set of power-driven system (being mainly motor drives), once drive system breaks down, complete machine cannot work on, and its service cycle is longer, have a strong impact on coal mining efficiency.
The transmission system of existing cutting device of coal mining machine adopts multi-stage planetary gear to add the kind of drive of idle pulley conventionally, and the Transmitted chains of this kind of drive is longer, makes the defects such as transmission system functional reliability is low, rate of fault is high, the military service cycle is short.
Drive system (containing gear transmission speed governing part), as the important constituent element of coal winning machine, has important impact to the performance of coal winning machine.In prior art, for coal winning machine can be worked smoothly under different coal environment, its cylinder need to have different output states.In prior art, in order to reach the object of transmission of power under different output states, generally adopt multistep speed regulation system, different speed control systems finally outputs power to the cylinder of coal winning machine, makes coal winning machine drive system volume too huge, complex structure, manufacture cost is high, and output state is single.
Rocking arm is as the carrier of coal winning machine transmission system and cylinder, cutterhead, for a long time with coal seam in rigidity contact and the severe environmental conditions of large sideway torque under be on active service, easily causing rocking arm to deform affects the relative position relation that is installed on the inner driving gear of rocking arm, thereby the inefficacy of aggravation gear, affects whole aircraft reliability.
Therefore, need a kind of coal mining machine transmission system to substitute existing transmission system, can meet different operating mode needs, there is the features such as larger output, carrying are large, impact resistance is better, velocity ratio is large, Transmitted chains is short, can reduce installation and removal difficulty simultaneously, lower and safeguard and the cost of overhaul, promote transmission system reliability, and the multichannel speed change, transmission chain length, the power source that fundamentally solve the employing of conventional ADS driving system are single, rocking arm non-deformability is poor, existing asynchronous problem in these structures.
Summary of the invention
In view of this, the object of this invention is to provide the compound short distance transmission system of a kind of coal winning machine mechanical electronic hydraulic, can overcome the above-mentioned defect of prior art.
The object of the invention is to be achieved through the following technical solutions:
The compound short distance transmission system of a kind of coal winning machine mechanical electronic hydraulic, comprises power system, variable ratio drive system and housing; Described power system comprises main power plant and auxiliary power unit; Described main power plant comprises active force input assembly and input sun gear I; Described auxiliary power unit comprises auxiliary power input assembly, input sun gear II and output planetary gear II; Described variable ratio drive system comprises output planetary gear I, duplex planet frame gear and the output gear I for driving coal winning machine cutterhead to rotate; The clutch end of described active force input assembly coordinates in circumferencial direction transmission with input sun gear I, and the clutch end of described auxiliary power input assembly coordinates in circumferencial direction transmission with input sun gear II; Described input solar energy wheel I engages with output planetary gear I, and described output planetary gear I engages with in output gear I; Described duplex planet frame gear one end is the planet carrier of output planetary gear I, and the other end is gear end; Described output planetary gear II is duplicate gear, and the gear of its input end engages with input sun gear II, and the gear of its output terminal engages with the gear end of duplex planet frame gear, and the planet carrier of described output planetary gear II is fixedly installed on housing;
Further, described variable ratio drive system also comprise output gear II with for fixing or separate the lockable mechanism of output gear I and output gear II, described output gear II is provided with internal tooth and external tooth, the internal tooth of described output gear II engages with the gear of output end of output planetary gear II, and the external tooth of described output gear II engages with the flank profil on lockable mechanism;
Further, the active force input assembly of described power system and auxiliary power input assembly are respectively motor and oil hydraulic motor;
Further, described power system comprises at least two group auxiliary power units;
Further, the clutch end of described active force input assembly is provided with break;
Further, described output gear I is provided with the tubular joint for being fixedly connected with in a circumferential direction with coal winning machine cutter head support;
Further, also comprise shock mitigation system, described shock mitigation system comprises and the annular mounting cylinder of rocker arm of coal mining machine one and be arranged on the vibration damper between annular mounting cylinder and housing;
Further, described housing integral installation is in annular mounting cylinder, and described vibration damper one end is fixedly installed on housing cylindrical, and the other end is fixedly installed in the groove of the corresponding inner circle of annular mounting cylinder.
The invention has the beneficial effects as follows: the compound short distance transmission system of coal winning machine mechanical electronic hydraulic of the present invention, can meet different operating mode needs, there is the features such as larger output, carrying are large, impact resistance is better, velocity ratio is large, Transmitted chains is short, can reduce installation and removal difficulty simultaneously, lower and safeguard and the cost of overhaul, promote transmission system reliability, and fundamentally solve conventional ADS driving system because multichannel speed change, transmission chain length, power source are single, the poor asynchronous problem causing of rocking arm non-deformability.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized and be obtained by specification below.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is driving mechanism sketch of the present invention;
In figure, 1-active force input assembly, 2-auxiliary power input assembly, 4-input sun gear II, 6-output planetary gear II, the planet carrier of 7-output planetary gear II, 8-output gear II, 9-lockable mechanism, 10-input sun gear I, 11-output planetary gear I, 12-duplex planet frame gear, 13-output gear I, 14-vibration damper, 18-annular mounting cylinder, 19-rocker arm of coal mining machine, 20-break, 21-housing.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment is only for the present invention is described, rather than in order to limit the scope of the invention.
As shown in the figure, the compound short distance transmission system of a kind of coal winning machine mechanical electronic hydraulic, comprises power system, variable ratio drive system and housing 21; Described power system comprises main power plant and auxiliary power unit; Described main power plant comprises active force input assembly 1 and input sun gear I 10; Described auxiliary power unit comprises auxiliary power input assembly 2, input sun gear II 4 and output planetary gear II 6; Described variable ratio drive system comprises output planetary gear I 11, duplex planet frame gear 12 and the output gear I 13 for driving coal winning machine cutterhead to rotate; The clutch end of described active force input assembly 1 coordinates in circumferencial direction transmission with input sun gear I 10, and the clutch end of described auxiliary power input assembly 2 coordinates in circumferencial direction transmission with input sun gear II 4; Described input solar energy wheel I 10 engages with output planetary gear I 11, and described output planetary gear I 11 engages with output gear I 13 is interior; Described duplex planet frame gear one end is the planet carrier of output planetary gear I, and the other end is gear end; Described output planetary gear II 6 is duplicate gear, and the gear of its input end engages with input sun gear II 4, and the gear of its output terminal engages with the gear end of duplex planet frame gear, and the planet carrier 7 of described output planetary gear II is fixedly installed on housing 21.
The compound short distance transmission system of coal winning machine mechanical electronic hydraulic of the present embodiment, follows (1) auxiliary power unit and inputs separately the output of confluxing of---output planetary gear shunting---output gear I; (2) input gear ring I that main power plant is inputted separately---the duplex planet frame gear shunting---output of confluxing; (3) the transmission rule of output gear I that main power plant and auxiliary power unit are inputted simultaneously---duplex planet frame gear confluxes---output.There is multisystem and mix many inputs and the single system multi power source feature of input separately, realize increase moment of torsion, governing speed scope, the object of short distance transmission and alleviation impact endurance test shock, realize low-speed big output by the change of output torque and rotating speed, the input mode that changes power source can adapt to different output operating modes, the drive length that reduces Transmitted chains can suitably improve transmission efficiency, fundamentally solve the multichannel speed change that conventional ADS driving system adopts, transmission chain length, power source is single, rocking arm non-deformability is poor, existing asynchronous problem in these structures.
In the present embodiment, described variable ratio drive system also comprise output gear II 8 with for fixing or separate the lockable mechanism 9 of output gear I and output gear II, described output gear II is provided with internal tooth and external tooth, the internal tooth of described output gear II engages with the gear of output end of output planetary gear II, the external tooth of described output gear II engages with the flank profil on lockable mechanism, described lockable mechanism is arranged in output gear I, when locked and output gear II link into an integrated entity, form the common outputting power of duplex output gear, active force input assembly and the auxiliary power input assembly of described power system are respectively motor and oil hydraulic motor, certainly in different embodiments, other prime mover also can be realized, described power system comprises two groups of auxiliary power units, in the present embodiment, the clutch end of described active force input assembly is provided with break 20.Output gear II and lockable mechanism are set to be convenient to the shunting of this transmission system and to conflux; Described auxiliary power input assembly is that oil hydraulic motor contributes to alleviate the impact endurance test shock under bad working environments.
In the present embodiment, described output gear I is provided with the tubular joint for being fixedly connected with in a circumferential direction with coal winning machine cutter head support; The tubular joint of this enforcement also has the function of sealing variable ratio drive system.
In the present embodiment, also comprise shock mitigation system, described shock mitigation system comprises and the annular mounting cylinder 18 of rocker arm of coal mining machine 19 one and be arranged on the vibration damper 14 between annular mounting cylinder and housing.
In the present embodiment, described housing integral installation is in annular mounting cylinder, and described vibration damper one end is fixedly installed on housing cylindrical, and the other end is fixedly installed in the groove of the corresponding inner circle of annular mounting cylinder.
The compound short distance transmission system of coal winning machine mechanical electronic hydraulic of the present embodiment, its load can be born by single gear ring or two gear rings according to different operating modes, the shunting that realizes power with conflux, thereby meet the requirement of output power and bearing capacity under different operating modes; Compared with same level coal winning machine transmission system in prior art, it is simple in structure, volume is little, damping performance is good, bearing capacity is strong, therefore can reserve larger space for other devices in coal winning machine, and reduce material and manufacture cost, improve transmission system reliability, safeguard and the cost of overhaul thereby reduce; Compared with prior art, identical transmission condition underdrive chain shortens greatly, reduces the loss of energy in transmission process, energy saving.
The present embodiment has following working state in the time of work:
Operating mode one: output gear II 8 is connected and forms duplex ring gear with output gear I 13, two groups of auxiliary power input assemblys 2 are given input sun gear II 4 separately by transmission of power respectively, and then through output planetary gear II 6 separately by transmission of power to output gear II 8 and export to cutterhead, thereby realize the transmission of power of operating mode one, it is less demanding and have higher transmission efficiency or input as stand-by power that operating mode one is adapted to bearing capacity.
Operating mode two: the not locked and break 20 of output gear II 8 is in closed state, input sun gear I 10 is in braking, two groups of auxiliary power input assemblys 2 are given input sun gear II 4 separately by transmission of power respectively, and then through output planetary wheel II 6 separately by transmission of power to duplex planet frame gear 12, power passes to output planetary gear I 11 by duplex planet frame gear 12, output power to cutterhead finally by output gear I 13, thereby realize the transmission of power of operating mode two, operating mode two is adapted to the medium-sized bearing capacity operating mode that velocity ratio is larger or inputs as stand-by power.
Operating mode three: output gear II 8 is connected and forms duplex ring gear with output gear I 13, transmission of power is given input sun gear I 10 by active force input assembly 1, export duplex ring gear through output planetary gear I 11 and by duplex planet frame gear 12 to via output planetary gear II 6 again, by the shunting action of planetary gear speed-changing system, power passes to cutterhead by duplex ring gear, thereby realize the transmission of power of operating mode three, this operating mode is adapted to medium-sized (or higher) the bearing capacity operating mode that velocity ratio is larger or inputs as stand-by power.
Operating mode four: the not locked and break 20 of output gear II 8 is in disengaged position, two groups of auxiliary power input assemblys 2 are given input sun gear II 4 separately by transmission of power respectively, again through output planetary gear II 6 by transmission of power to duplex planet frame gear 12, simultaneously, transmission of power is given input sun gear I 10 by active force input assembly 1, input sun gear I 10 and duplex planet frame gear 12 turn to identical, due to the differential action of planetary gear speed-changing system, power passes to output planetary gear I 11 by input sun gear I 10 and duplex planet frame gear 12 respectively, finally outputed power to cutterhead by output gear I 13, thereby realize the transmission of power of operating mode four, operating mode four is adapted to all higher operating modes of bearing capacity and efficiency.
Operating mode five: the not locked and break 20 of output gear II 8 is in disengaged position, two groups of auxiliary power input assemblys 2 are given input sun gear II 4 separately by transmission of power respectively, again through output planetary gear II 6 by transmission of power to duplex planet frame gear 12, simultaneously, transmission of power is given input sun gear I 10 by active force input assembly 1, input sun gear I 10 and duplex planet frame gear 12 switched in opposite, due to the differential action of planetary gear speed-changing system, power passes to output planetary gear I 11 by input sun gear I 10 and duplex planet frame gear 12 respectively, finally outputed power to cutterhead by output gear I 13, thereby realize the transmission of power of operating mode five, operating mode five is adapted to the operating mode that bearing capacity is higher.
Finally explanation is, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic, is characterized in that: comprise power system, variable ratio drive system and housing; Described power system comprises main power plant and auxiliary power unit; Described main power plant comprises active force input assembly and input sun gear I; Described auxiliary power unit comprises auxiliary power input assembly, input sun gear II and output planetary gear II; Described variable ratio drive system comprises output planetary gear I, duplex planet frame gear and the output gear I for driving coal winning machine cutterhead to rotate; The clutch end of described active force input assembly coordinates in circumferencial direction transmission with input sun gear I, and the clutch end of described auxiliary power input assembly coordinates in circumferencial direction transmission with input sun gear II; Described input solar energy wheel I engages with output planetary gear I, and described output planetary gear I engages with in output gear I; Described duplex planet frame gear one end is the planet carrier of output planetary gear I, and the other end is gear end; Described output planetary gear II is duplicate gear, and the gear of its input end engages with input sun gear II, and the gear of its output terminal engages with the gear end of duplex planet frame gear, and the planet carrier of described output planetary gear II is fixedly installed on housing.
2. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 1, it is characterized in that: described variable ratio drive system also comprise output gear II with for fixing or separate the lockable mechanism of output gear I and output gear II, described output gear II is provided with internal tooth and external tooth, the internal tooth of described output gear II engages with the gear of output end of output planetary gear II, and the external tooth of described output gear II engages with the flank profil on lockable mechanism.
3. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 1, is characterized in that: active force input assembly and the auxiliary power input assembly of described power system are respectively motor and oil hydraulic motor.
4. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 1, is characterized in that: the clutch end of described active force input assembly is provided with break.
5. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 1, is characterized in that: described output gear I is provided with the tubular joint for being fixedly connected with in a circumferential direction with coal winning machine cutter head support.
6. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 1, is characterized in that: also comprise shock mitigation system, described shock mitigation system comprises and the annular mounting cylinder of rocker arm of coal mining machine one and be arranged on the vibration damper between annular mounting cylinder and housing.
7. the compound short distance transmission system of coal winning machine mechanical electronic hydraulic according to claim 6, it is characterized in that: described housing integral installation is in annular mounting cylinder, described vibration damper one end is fixedly installed on housing cylindrical, and the other end is fixedly installed in the groove of the corresponding inner circle of annular mounting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061694.XA CN103821885B (en) | 2014-02-24 | 2014-02-24 | Coal winning machine mechanical electronic hydraulic compound short distance transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061694.XA CN103821885B (en) | 2014-02-24 | 2014-02-24 | Coal winning machine mechanical electronic hydraulic compound short distance transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103821885A true CN103821885A (en) | 2014-05-28 |
| CN103821885B CN103821885B (en) | 2016-03-23 |
Family
ID=50757102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410061694.XA Expired - Fee Related CN103821885B (en) | 2014-02-24 | 2014-02-24 | Coal winning machine mechanical electronic hydraulic compound short distance transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103821885B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500062A (en) * | 2014-12-04 | 2015-04-08 | 重庆大学 | Power drive device of coal winning machine cutting part |
| CN107152511A (en) * | 2017-06-14 | 2017-09-12 | 重庆大学 | Hybrid mechanical-hydraulic is combined buncher |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827693A1 (en) * | 1988-08-16 | 1990-02-22 | Eickhoff Geb | Winch for a mining machine, in particular for a shearer loader in underground use |
| US5779321A (en) * | 1996-11-12 | 1998-07-14 | Arch Technology Corporation | Swing tail assembly for miner |
| CN2426014Y (en) * | 2000-03-07 | 2001-04-04 | 西安科技学院 | Torsion impact type vibration cutting mechamism |
| CN1912423A (en) * | 2006-08-25 | 2007-02-14 | 李本平 | Electromechanical liquid mixed soft start stepless speed regulating drive device |
| DE102009017061A1 (en) * | 2009-04-01 | 2010-10-07 | A + M Fertigungstechnik Gmbh | transmission |
| CN202645553U (en) * | 2012-06-29 | 2013-01-02 | 中国铁建重工集团有限公司 | Built-in type cutting transmission device for anchor all-in-one machine |
| CN202971771U (en) * | 2012-12-11 | 2013-06-05 | 大连理工大学 | Electromechanical-hydraulic combined type tunneling machine main driving system |
| CN103174416A (en) * | 2013-03-14 | 2013-06-26 | 中国矿业大学 | Multi-point driving electric traction coal mining machine |
-
2014
- 2014-02-24 CN CN201410061694.XA patent/CN103821885B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827693A1 (en) * | 1988-08-16 | 1990-02-22 | Eickhoff Geb | Winch for a mining machine, in particular for a shearer loader in underground use |
| US5779321A (en) * | 1996-11-12 | 1998-07-14 | Arch Technology Corporation | Swing tail assembly for miner |
| CN2426014Y (en) * | 2000-03-07 | 2001-04-04 | 西安科技学院 | Torsion impact type vibration cutting mechamism |
| CN1912423A (en) * | 2006-08-25 | 2007-02-14 | 李本平 | Electromechanical liquid mixed soft start stepless speed regulating drive device |
| DE102009017061A1 (en) * | 2009-04-01 | 2010-10-07 | A + M Fertigungstechnik Gmbh | transmission |
| CN202645553U (en) * | 2012-06-29 | 2013-01-02 | 中国铁建重工集团有限公司 | Built-in type cutting transmission device for anchor all-in-one machine |
| CN202971771U (en) * | 2012-12-11 | 2013-06-05 | 大连理工大学 | Electromechanical-hydraulic combined type tunneling machine main driving system |
| CN103174416A (en) * | 2013-03-14 | 2013-06-26 | 中国矿业大学 | Multi-point driving electric traction coal mining machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500062A (en) * | 2014-12-04 | 2015-04-08 | 重庆大学 | Power drive device of coal winning machine cutting part |
| CN104500062B (en) * | 2014-12-04 | 2016-08-17 | 重庆大学 | Winning machine cutting part actuating unit |
| CN107152511A (en) * | 2017-06-14 | 2017-09-12 | 重庆大学 | Hybrid mechanical-hydraulic is combined buncher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821885B (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939567A (en) | Compound type comprehensive hydraulic torque converter and continuously variable transmission | |
| CN101598203B (en) | Composite steel ball outer cone gear type stepless variable speed unit | |
| CN101598198B (en) | Composite inner cone output planetary cone type stepless variable speed unit | |
| CN105626813A (en) | Continuously variable transmission of combined type double-pilot wheel hydraulic torque converter | |
| CN103821885B (en) | Coal winning machine mechanical electronic hydraulic compound short distance transmission system | |
| CN102312967B (en) | Continuously variable transmission | |
| CN103953709B (en) | A kind of composite impeller type hydraulic torque converter | |
| CN202971771U (en) | Electromechanical-hydraulic combined type tunneling machine main driving system | |
| CN204572956U (en) | A kind of input gear case and there is its bicycle shift speed change system | |
| CN103016633A (en) | Dual-drive tunnel heading machine speed reducer | |
| CN103939565B (en) | A kind of composite type hydraulic torque converter with external overflow valve and stepless speed variator | |
| CN103939558A (en) | Compound centripetal turbo type hydraulic torque converter and continuously variable transmission | |
| CN103953710A (en) | Compound type dual-pump-pulley hydraulic torque converter and continuously variable transmission | |
| CN101598205B (en) | Composite pyramid type stepless variable speed unit | |
| CN103939569A (en) | Compound axial-flow type hydraulic torque converter and continuously variable transmission | |
| CN103939561B (en) | A kind of compound type guide vane adjustable hydraulic torque converter and stepless speed variator | |
| CN103953708B (en) | A kind of compound type centripetal hydraulic torque converter and stepless speed variator | |
| CN204298865U (en) | A kind of central transmission system for electric transmission crawler dozer | |
| CN103939568B (en) | A kind of compound type multi-element working wheel hydraulic torque converter and stepless speed variator | |
| CN104913013A (en) | Planetary reducer and coal cutter | |
| CN103953707A (en) | Compound type adjustable hydraulic torque converter and continuously variable transmission | |
| CN105156105A (en) | Coal mining machine | |
| CN101598200A (en) | A kind of composite cone disk and ring disk type stepless variable speed unit | |
| CN103939560A (en) | Compound type double-turbine hydraulic torque converter and continuously variable transmission | |
| CN104806712A (en) | Input gear box and bicycle gear shifting speed control system with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160323 Termination date: 20180224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |