CN103863103B - A kind of have double dynamical electric transmission underground mining truck - Google Patents
A kind of have double dynamical electric transmission underground mining truck Download PDFInfo
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- CN103863103B CN103863103B CN201410067136.4A CN201410067136A CN103863103B CN 103863103 B CN103863103 B CN 103863103B CN 201410067136 A CN201410067136 A CN 201410067136A CN 103863103 B CN103863103 B CN 103863103B
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Abstract
The present invention is a kind of has double dynamical alternating current drive underground mining truck, described underground mine car includes 2 front Electric Motor Wheel unit, Electric Motor Wheel unit after 2,4 Electric Motor Wheel unit independently drive four wheels of dumper, described 4 Electric Motor Wheel unit to have interchangeability completely；Described underground mine car includes front frame, Rear frame, articulated body；Front frame and Rear frame are hinged by articulated body；Articulated body both sides are separately installed with steering cylinder, for vehicle articulation steering.The invention have the advantage that the speed of service using stringing power can be greatly improved equipment, improve production efficiency；Bavin electric power is as auxiliary standby power, and its power is normal power 1/3rd, pollutes such that it is able to be substantially reduced down-hole；Simplify complete vehicle structure, reduce drive disk assembly and manufacture and design difficulty；Non-maintaining Direct wheel drives motor improves the reliability of vehicle, effectively reduces the maintenance cost of system；Four Electric Motor Wheel unit can arbitrarily exchange, and has good interchangeability.
Description
Technical field
The present invention relates to a kind of there is double dynamical electric transmission underground mining truck, particularly relate to the sub-terrain mines that a kind of four-wheel independent electrical transmission drives and use.
Background technology
Underground mine car is the key equipment of underground mine digging transport, generally use front/rear frame radial type, i.e. front frame 11 is connected by articulated body 9 with Rear frame 8, articulated body has pin joint and pendular ring, wherein, pendular ring allows front frame 11 to allow front frame 11 to can reach 45 ° of steering angles relative to Rear frame 8 relative to the independent rotation of Rear frame 8, pin joint, thus realize turning function.When at uneven road traveling, it is possible to ensure that all wheels contact with ground, to maintain the stability of entirety, by property and peak performance.
At present, underground mine car generally uses the type of drive of 4X4, and the kind of drive is hydraulic mechanical, and its structure is considerably complicated.
Underground mine car is complicated due to operating condition, needs to be equipped with special hydraulic machine gear, and the exploitation of the type gear needs longer cycle and higher cost.Therefore, hydraulic machine gear has become the principal element hindering underground mine car seriation.The underground mine car of 4X4 wants to realize a11wheel drive, needs distributing means for power supply and the power transmission shaft of more than three and intermediate strutting device.Movement locus in view of four wheels is different, tri-boxs of tricks of Xu Caiyong, simultaneously in order to ensure that vehicle has driving force at muddy wet-skid road surface or dell road surface, it is necessary to configure corresponding retaining mechanism for these five boxs of tricks；It addition, in order to ensure the change of power direction and increase the moment of torsion of high tap position, in addition it is also necessary to configure corresponding Zhu Jian mechanism.Additionally, due to sub-terrain mines vehicle commander's time works under low-speed big operating mode, the efficiency of fluid torque-converter is the lowest, and the fault rate of fluid torque-converter and variator and drive axle is at a relatively high, and maintenance cost is high.
Sub-terrain mines car operates mainly in rugged muddy underground passage, manipulation stability is had a great impact by the height of car load barycenter, and the type vehicle is owing to using mechanical transmission structure at present, drive axle can only use non-disconnected, so, must be positioned at above drive axle bottom container, thus considerably increase center of gravity and the car load height of underground mine car, have impact on manipulation not qualitative, affect underground mine car simultaneously and normally work in narrow short underground passage.
Due to factors above, mine car a few enterprise the most external at present in hydraulic mechanical type underground has the ability to be designed manufacturing.
Summary of the invention
The purpose of the present invention: be the conevying efficiency being improved underground mining truck by stringing power, reduce the pollution of underground mine；Solve that current articulated truck running part structure is complicated, trouble point is many, problem that to manufacture and design difficulty big, and underground mining working environment, resource-effective problem, it is provided that a kind of have mine truck under double dynamical fax galvanic electricity.
The technical scheme is that a kind of have double dynamical electric transmission underground mining truck, this mine car includes that the bavin electro hybrid power driving system of complete set and the stringing of complete set are for power drive system；2 front Electric Motor Wheel unit, Electric Motor Wheel unit after 2, described 4 Electric Motor Wheel unit independently drive the four-wheel of dumper, described 4 Electric Motor Wheel unit to have interchangeability completely；
Described underground mine car includes front frame, Rear frame, articulated body；Front frame and Rear frame are hinged by articulated body；Articulated body both sides are separately installed with steering cylinder, for vehicle articulation steering.
Technique scheme can be improved to further: described Electric Motor Wheel unit is made up of three below part: water-cooled AC asynchronous motor, three-stage planet gear reducer, wheel motor brake；Described water-cooled AC asynchronous motor, three-stage planet gear reducer, wheel motor brake are bolted.
Further, the top of driver's cabin is provided with bow collector, bow collector and the second commutation controller connect, described underground mine car Diesel engine is connected with transfer case, it is connected with synchronous alternating-current generator by power transmission shaft again, driving transfer case to work with synchronous alternating-current generator during electromotor operating, transfer case drives hydraulic oil pump and water pump, and the electric energy that synchronous alternating-current generator sends is for driving water-cooled AC asynchronous motor；Described electromotor uses with transfer case and is mechanically connected, concrete connected mode is: engine flywheel and transfer case input shaft are bolted with six flexible disc overlaped respectively, during electromotor work, engine flywheel drives transfer case input shaft to rotate, transfer case is by gear engagement output three Partial Powers, a part drives hydraulic oil pump, a part drives cooling water pump, a part drives synchronous alternating-current generator to send alternating current, through the first commutation controller rectification, the unidirectional current produced is supplied respectively to four inverters, inverter becomes alternating current to drive four wheel limit water-cooled AC asynchronous motors the most respectively through inverse metamorphism, four water-cooled AC asynchronous motors pass to four decelerators power respectively, realize the transmission of power;
This system uses bow collector to realize stringing and drives and the electrically driven (operated) switching of bavin, electric energy on the three-phase alternating current bus of stringing system is directly over the second commutation controller by being arranged on the bow collector at driver's cabin top alternating current is become galvanic current, again by the controller of this DC power transmission to each wheel, DC inverter is stable alternating current by this controller again, by wheel limit water-cooled AC asynchronous motor 28 corresponding for this alternating current transmission to each controller, motor rotor rotates, power reaches decelerator, decelerator uses three-stage planetary gear transmission, one, two grades is differential gear train, three grades is fixed shaft gear train, corresponding wheel is reached after decelerator speed change, complete power transmission, electromotor now is in idling mode, have only to export the least power to drive cooling water pump and hydraulic oil pump.
Further, described underground mine car includes four controllers, the most corresponding the near front wheel controller, off-front wheel controller, left rear wheel controller, off hind wheel controller, and each controller uses Web control based on CAN, and host computer uses embedded system.
Further, in described cooling system is integrated into each Electric Motor Wheel unit, it is ensured that wheel can ensure normal cooling in the case of muddy, dust and water are more.
Further, described electric transmission underground mine car uses bavin electricity mixed power and the two kinds of power drives of three-phase alternating current stringing, can be travelled by stringing power drive in the section, tunnel having stringing, engine output is substantially reduced, reducing the consumption of diesel oil and the discharge of pollutant, especially in underground passage, the discharge reducing pollutant can be effectively improved the environment of underground passage, alleviate the harm healthy to workman, improve production efficiency；Bavin electricity mixed power can be used to drive in the section, tunnel not having stringing, work efficiency is effectively ensured.
Underground mine car use bavin electric power, the advantage of electric transmission be to eliminate and descend hydraulic mechanical type change speed gear box necessary to mine car, power transmission shaft, main reducing gear, differential mechanism and lockable mechanism accordingly traditionally, thus simplify complete vehicle structure, reduce drive disk assembly and manufacture and design difficulty；Non-maintaining Direct wheel drives motor improves vehicle reliability, effectively reduces system maintenance cost；Use Electronic differential control so that four driving wheel any moment can play maximum drawbar pull；In all-wheel drive system, rely on automatically controlled closed-loop control system can conveniently realize taking turns coordination more and drive.
Underground of the present invention mine car, not only possesses the bavin electro hybrid power driving system of complete set, the most also has the stringing of complete set for power drive system.Owing to being furnished with the stringing electric power system for some winning equipments in some underground passages, the stringing system that the present invention is directed to expect underground also devises the stringing drive system of complete set, this system uses bow collector to realize stringing and drives and the electrically driven (operated) switching of bavin, pass through bow collector, electric energy on the three-phase alternating current bus of stringing system is directly over commutation inversion and passes to each water-cooled AC asynchronous motor 28, electromotor now is in idling mode, have only to export the least power to drive cooling water pump and hydraulic oil pump, fuel oil consumption and the exhaust emissions of electromotor can be greatly reduced, reduce consumption and the discharge of pollutant of fossil energy, this is the most significant for the personnel health in the underground passage production efficiency closed and tunnel.
Underground mine car advantage designed by the present invention is to have employed bavin electricity mixed power and the double dynamical drive form of stringing driving, simplify complete vehicle structure, decrease and manufacture and design difficulty, improve under the conditions of vehicle reliability and complex road surface by performance, enhance the interchangeability of parts, effectively reduce system maintenance cost, decrease the consumption of fossil energy simultaneously, reduce the discharge of pollutant, the working environment being effectively improved in underground passage, improves productivity ratio.
Accompanying drawing explanation
Fig. 1 is that patent of the present invention has double dynamical electric transmission underground mining truck front view.
Fig. 2 is that patent of the present invention has double dynamical electric transmission underground mining truck top view.
Fig. 3 (a) is that patent of the present invention has double dynamical electric transmission underground mining truck electromotor and transfer case schematic diagram.
Fig. 3 (b) is that patent of the present invention has double dynamical electric transmission underground mining truck electromotor and transfer case coupling part close-up schematic view.
Fig. 4 is that patent of the present invention has double dynamical electric transmission underground mining truck transfer case and water pump and hydraulic oil pump connection diagram.
Fig. 5 (a) is that patent of the present invention has double dynamical electric transmission underground mining truck Electric Motor Wheel integrated unit structural representation.
Fig. 5 (b) is that patent of the present invention has double dynamical electric transmission underground mining truck Electric Motor Wheel integrated unit sectional view, and direction is the B B direction along Fig. 5 (a).
Fig. 6 is that patent of the present invention has double dynamical electric transmission underground mining truck control system block diagram.
Fig. 7 is that patent of the present invention has double dynamical electric transmission underground mining truck power and drive system block diagram.
Fig. 8 is that patent of the present invention has double dynamical electric transmission underground mining truck front controller combination schematic diagram.
Fig. 9 is the structural representation that patent of the present invention has the bow collector of double dynamical electric transmission underground mining truck.
In figure:
Detailed description of the invention
Patent of the present invention will be described in further detail in conjunction with accompanying drawing.
Fig. 1 is patent structure schematic diagram of the present invention, and the structure of the alternating current driven articulated dump truck of patent the most of the present invention mainly includes hood 1, driver's cabin 2, fuel tank 3, resistor box 4, container 5, load lifting cylinder 6, wheel 7, Rear frame 8, articulated body 9, steering cylinder 10, front frame 11, electromotor 12, regulator cubicle 13, hydraulic oil container 14, synchronous alternating-current generator 15 etc..
Double-power electric as shown in Figure 1 drivingly descends mine vehicle, uses articulated steering, front frame 11 to be connected by articulated body 9 with Rear frame 8, and articulated body 9 both sides are separately installed with steering cylinder 10, for vehicle articulation steering.On chassis, wheel hem retarding mechanism, arrestment mechanism are integrated in an Electric Motor Wheel integrated unit 16, and this unit arbitrarily can be replaced between four wheels.Modular Electric Motor Wheel system can improve the interchangeability of parts, reduces system maintenance cost.
The top of driver's cabin 2 is provided with bow collector 36, described underground mine car Diesel engine 12 is connected with transfer case 19, it is connected with synchronous alternating-current generator 15 by power transmission shaft again, transfer case 19 is driven to work with synchronous alternating-current generator 15 when electromotor 12 operates, transfer case 19 drives hydraulic oil pump 25 and cooling water pump 26, and the electric energy that synchronous alternating-current generator 15 sends is for driving water-cooled AC asynchronous motor 28；nullDescribed electromotor 12 uses with transfer case 19 and is mechanically connected，Concrete connected mode is: engine flywheel 21 is connected by one group of flexible disc 22 with transfer case input shaft 24，When electromotor 12 operates，Engine flywheel 21 rotates with transfer case input shaft 24，Synchronous alternating-current generator 15 is driven to generate electricity by power transmission shaft 18，Produce induction electromotive force，Connect load and i.e. produce faradic current，Although this faradic current is alternating current，But it is not sufficiently stable，Can not be used for driving motor，Therefore，This electric current is transmitted to the first commutation controller 32，From the first commutation controller 32, alternating current is become galvanic current，Again by the controller of this DC power transmission to each wheel，DC inverter is stable alternating current by this controller again，By wheel limit water-cooled AC asynchronous motor 28 corresponding for this alternating current transmission to each controller，Motor rotor rotates，Power reaches decelerator 29，Decelerator uses three-stage planetary gear transmission，One、Two grades is differential gear train，Three grades is fixed shaft gear train，Corresponding wheel is reached after decelerator 29 speed change，Complete power transmission.
nullThis system uses bow collector to realize stringing and drives and the electrically driven (operated) switching of bavin，Electric energy on the three-phase alternating current bus of stringing system is directly over the second commutation controller 33 by being arranged on the bow collector 36 at driver's cabin 2 top alternating current is become galvanic current，Again by the controller of this DC power transmission to each wheel，DC inverter is stable alternating current by this controller again，By wheel limit water-cooled AC asynchronous motor 28 corresponding for this alternating current transmission to each controller，Motor rotor rotates，Power reaches decelerator 29，Decelerator uses three-stage planetary gear transmission，One、Two grades is differential gear train，Three grades is fixed shaft gear train，Corresponding wheel is reached after decelerator 29 speed change，Complete power transmission，Electromotor 12 now is in idling mode，Have only to export the least power to drive cooling water pump 26 and hydraulic oil pump 25.Can greatly reduce fuel oil consumption and the exhaust emissions of electromotor, reduce consumption and the discharge of pollutant of fossil energy, this is the most significant for the personnel health in the underground passage production efficiency closed and tunnel.
Two braking resistors, consume electric energy when dynamic braking.Four controllers, the most corresponding the near front wheel controller 30, off-front wheel controller 31, left rear wheel controller 35 and off hind wheel controller 34.One controller controls a wheel limit water-cooled AC asynchronous motor 28.Described controller uses Web control based on CAN, host computer uses embedded system, realize the independent control to wheel, motor is made to play maximum efficiency, rely on control system can conveniently realize taking turns coordination to drive more, by control system, control strategy and the embedded software of all-wheel drive automobile, vehicle traveling on complex road surface can be accurately controlled, turn to and brake.The near front wheel controller 30, off-front wheel controller 31, left rear wheel controller 35 and off hind wheel controller 34 are arranged in a regulator cubicle 13, and this regulator cubicle 13 is fixed on vehicle frame, as shown in Figure 8.
Alternating current driven articulated dump truck as depicted, braking is divided into dynamic braking and mechanical braking two parts.When motor consumption braking is mainly used in deceleration or descending jogging, typically using dynamic braking at 25km/hr-5km/hr, electric current is delivered to brake monitor from wheel limit motor, and electric current is transferred to braking resistor by brake monitor again, braking resistor, by power consumption, can realize dynamic braking.Mechanical braking is mainly used in parking braking and emergency brake and below 5km/hr service brake, and due to the mechanical braking for wheel limit motor, braking moment is little.
Claims (3)
1. one kind has double dynamical electric transmission underground mining truck, described underground mining truck includes 2 front Electric Motor Wheel unit, Electric Motor Wheel unit after 2, described 4 Electric Motor Wheel unit independently drive four wheels of electric transmission underground mining truck, described 4 Electric Motor Wheel unit to have interchangeability completely；
Described underground mining truck includes front frame (11), Rear frame (8), articulated body (9)；Front frame (11) and Rear frame (8) are hinged by articulated body (9)；Articulated body (9) both sides are separately installed with steering cylinder (10), for vehicle articulation steering, described Electric Motor Wheel unit is made up of three below part: wheel limit water-cooled AC asynchronous motor (28), three-stage planet gear reducer (29), wheel motor brake (27)；Described take turns limit water-cooled AC asynchronous motor (28), three-stage planet gear reducer (29), wheel motor brake (27) is bolted, it is characterized in that: the top of driver's cabin (2) is provided with bow collector (36), bow collector (36) is the second commutation controller (33) power supply, Diesel engine (12) is connected with transfer case (19), it is connected with synchronous alternating-current generator (15) by power transmission shaft (18) again, transfer case (19) is driven to work with synchronous alternating-current generator (15) during Diesel engine (12) operating, transfer case (19) drives hydraulic oil pump (25) and cooling water pump (26), the electric energy that synchronous alternating-current generator (15) sends is for driving wheel limit water-cooled AC asynchronous motor (28)；Described Diesel engine (12) uses with transfer case (19) and is mechanically connected, bow collector (36) is arranged on driver's cabin top, concrete connected mode is: diesel engine flywheel (21) and transfer case input shaft (24) are bolted with six flexible disc (22) overlaped respectively, during Diesel engine (12) work, diesel engine flywheel (21) drives transfer case input shaft (24) to rotate, Diesel engine (12) output is by transfer case (19) gear transmission output three Partial Powers, a part drives hydraulic oil pump (25), a part drives cooling water pump (26), a part drives synchronous alternating-current generator (15) to send alternating current, through the first commutation controller (32) rectification；nullBow collector (36) sends alternating current through the second commutation controller (33) rectification，Described second commutation controller (33) uses three-phase bridge rectification，Dc chopper is utilized to carry out stablizing of DC bus-bar voltage，Stable for DC bus-bar voltage at the rated value driving motor，DC bus-bar voltage is supplied respectively to four inverters，Inverter drives four wheels limit water-cooled AC asynchronous motor (28) the most respectively through inversion，Four wheels limit water-cooled AC asynchronous motor (28) pass to four three-stage planet gear reducers (29) power respectively，Realize the transmission of power or the electric energy on the three-phase alternating current bus of stringing system be directly over the second commutation controller (33) by being arranged on the bow collector (36) at driver's cabin (2) top alternating current is become galvanic current，Again by the controller of this DC power transmission to each wheel，DC inverter is stable alternating current by this controller again，By wheel limit water-cooled AC asynchronous motor (28) corresponding for this alternating current transmission to each controller，Motor rotor rotates，Power reaches three-stage planet gear reducer (29)，Described three-stage planet gear reducer (29) uses three-stage planetary gear transmission，One、Two grades is differential gear train，Three grades is fixed shaft gear train，Corresponding wheel is reached after three-stage planet gear reducer (29) speed change，Complete power transmission，Diesel engine (12) now is in idling mode，Have only to export the least power to drive cooling water pump (26) and hydraulic oil pump (25).
The most according to claim 1 a kind of have double dynamical electric transmission underground mining truck, it is characterized in that: described underground mining truck includes four controllers, the most corresponding the near front wheel controller (30), off-front wheel controller (31), left rear wheel controller (35), off hind wheel controller (34), each controller uses Web control based on CAN, communication is carried out by CAN between controller, car load ECU is by detection car load transport condition and current vehicle wheel speed, calculate the rotating speed that next moment wheel limit water-cooled AC asynchronous motor (28) needs, four wheel controller input control signals are given respectively by CAN, reach the state of car load steady-state operation.
The most according to claim 2 a kind of have double dynamical electric transmission underground mining truck, it is characterized in that: the cooling water pump of described underground mining truck is integrated in each Electric Motor Wheel unit, it is ensured that wheel can ensure normal cooling in the case of muddy, dust and water are more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410067136.4A CN103863103B (en) | 2014-02-26 | 2014-02-26 | A kind of have double dynamical electric transmission underground mining truck |
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| CN201410067136.4A CN103863103B (en) | 2014-02-26 | 2014-02-26 | A kind of have double dynamical electric transmission underground mining truck |
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| CN103863103A CN103863103A (en) | 2014-06-18 |
| CN103863103B true CN103863103B (en) | 2017-01-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015676A (en) * | 2014-06-30 | 2014-09-03 | 苏州南斗专利服务有限公司 | Intelligent coal mine dumper system |
| CN105129625B (en) * | 2015-08-26 | 2017-11-10 | 长治市永华机械有限公司 | Double dynamical multifunction caterpillar underground telpher |
| CN105216613B (en) * | 2015-10-14 | 2017-08-25 | 北京科技大学 | A kind of pure motorized motions bridge system for the heavily loaded mine vehicle in underground |
| CN106828116B (en) * | 2017-02-27 | 2023-11-24 | 北京东风电器有限公司 | Four-wheel drive alternating current transmission articulated truck electric control device and differential control method |
| CN110733329A (en) * | 2018-07-19 | 2020-01-31 | 郑州宇通客车股份有限公司 | synchronous asynchronous motor hybrid power system and vehicle |
| CN109098517B (en) * | 2018-09-30 | 2024-04-05 | 北京科技大学 | Overhead line pole of overhead line type pure electric underground scraper overhead line system |
| CN113682274B (en) * | 2021-07-30 | 2023-07-18 | 株洲中车奇宏散热技术有限公司 | Heat dissipation method for electric wheel mine car and brake radiator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085169A (en) * | 1991-09-03 | 1994-04-13 | 瓦格纳采矿和工程设备公司 | The AC electric drive vehicle of variable-ratio |
| CN102211614A (en) * | 2011-05-09 | 2011-10-12 | 北京科技大学 | Alternating current driven articulated dump truck |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2884038B2 (en) * | 1994-07-22 | 1999-04-19 | 三輪運輸工業株式会社 | Drive device for U-shaped frame vehicle |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085169A (en) * | 1991-09-03 | 1994-04-13 | 瓦格纳采矿和工程设备公司 | The AC electric drive vehicle of variable-ratio |
| CN102211614A (en) * | 2011-05-09 | 2011-10-12 | 北京科技大学 | Alternating current driven articulated dump truck |
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