CN205273184U - Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car - Google Patents
Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car Download PDFInfo
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- CN205273184U CN205273184U CN201520931247.5U CN201520931247U CN205273184U CN 205273184 U CN205273184 U CN 205273184U CN 201520931247 U CN201520931247 U CN 201520931247U CN 205273184 U CN205273184 U CN 205273184U
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Abstract
Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car, including driving system, control system, execution systems and auxiliary system, its characterized in that hydraulic pump passes through the shaft coupling and the engine links to each other, and the hydraulic pump passes through transitional coupling dish and gear pump polyphone, realizes that the main shaft is coaxial, and hydraulic pump oil inlet and hydraulic tank link to each other, and the hydraulic pump oil -out passes through the pipeline and four hydraulic motor link to each other, and the hydraulic pressure valves is installed on hydraulic pump and four hydraulic motor's route, hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car is provided with the control valve of preventing skidding, parking liquid accuse valve, single brake valve, storage battery, still be provided with flushometer, walking hydraulic pressure filter and turn to hydraulic tank, turn to back oil filter, this hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car transmission process is simple, turns into the pressure energy of hydraulic oil with mechanical energy through the shaft coupling, four hydraulic motor of hydraulic pump direct drive, and it is good to control the performance, and the reliability is high.
Description
Technical field
The utility model belongs to mine borehole operation driver for vehicle technical field, more specifically a kind of hydrostatic four-wheel drive system of trackless rubber-tyred command car.
Background technology
At present, the railless free-wheeled vehicle that domestic design manufactures, mostly continue conventional ADS driving form and engine to be connected by clutch coupling and automobile gearbox, automobile gearbox output shaft is connected by shaft coupling and back axle, propons turns to, rear bridge driven, owing to down-hole road conditions are complicated, officer's shift hunting is needed, very sad easy fatigue under this kind of transmission mode.
Indivedual underground trackless rubber-tired cart is had now to start to adopt hydraulic drive system, but still will by the transmission of engine-wheel box-hydro-pump-a series of complexity of speed reduction unit-oil motor, the driving walking of vehicle could be realized, complicated in down-hole road conditions, the gradient has bigger fluctuating, needs uphill, downhill repeatedly within several kilometers, complicated transmission system easily goes wrong, maintenance of underground inconvenience, delays production efficiency, it is easy to cause the increase of production cost; Complicated drive system causes car body relatively big, and narrow road section walking in down-hole is very inconvenient.
Summary of the invention
For overcoming the deficiency of existing drive system technology, the utility model is intended providing a kind of middle transmission process few, efficiency height, the hydrostatic four-wheel drive system of trackless rubber-tyred command car of failure rate is low.
For achieving the above object, the hydrostatic four-wheel drive system of trackless rubber-tyred command car that the utility model provides, comprise power system, Controlling System, executive system and subsystem, it is characterized in that hydro-pump is connected with engine by shaft coupling, hydro-pump is contacted by transition connecting disc and toothed gear pump, realize main shaft coaxial, described hydro-pump is the hydrostatic four-wheel drive system offer power of trackless rubber-tyred command car, hydro-pump oil-in is connected with hydraulic reservoir, hydro-pump oil outlet is connected with four oil motors by pipeline, described oil motor comprises off-front wheel oil motor, the near front wheel oil motor, right back take turns oil motor and left back take turns oil motor. also being provided with a steering cylinder on off-front wheel oil motor and the near front wheel oil motor, steering cylinder provides hydraulic efficiency oil by toothed gear pump, hydraulic valve bank is arranged on the path of hydro-pump and four oil motors.
The hydrostatic four-wheel drive system of trackless rubber-tyred command car is provided with anti-slip control valve, parking pilot operated valve device, single brake valve, storage battery. Anti-slip control valve can the break-make of hydraulic control valve group by electrical signal; Parking pilot operated valve device is connected by pipeline and trailing wheel oil parts of stopping; Single brake valve controls pilot operated valve device by electrical signal, pilot operated valve device hydraulic control pump swash plate, and hydraulic pressure swash plate realizes hydrostatic service brake after making zero.
The hydrostatic four-wheel drive system path of trackless rubber-tyred command car is also provided with flush valve, walking hydraulic pressure purifier and steering hydraulic fuel tank, turns to oil return purifier. Flush valve is connected with water cooler, and flush valve, from trackless rubber-tyred command car hydrostatic four-wheel drive system path high pressure pipeline section extension hydraulic efficiency oil, enters water cooler cooling, and cooling enters trackless rubber-tyred command car hydrostatic four-wheel drive system path low pressure pipeline section after terminating. Hydraulic efficiency oil in walking hydraulic circuit enters walking hydraulic pressure purifier by walking hydraulic pressure purifier oil-in, walking hydraulic pressure purifier oil outlet is connected with hydraulic reservoir, hydraulic efficiency oil in walking system is filtered by walking hydraulic pressure purifier, and the hydraulic efficiency oil after filtration returns to hydraulic reservoir again; Steering hydraulic oil in steering hydraulic hydraulic circuit returns to steering hydraulic fuel tank again through turning to oil return purifier to filter.
The beneficial effects of the utility model are: the hydrostatic four-wheel drive system transmission process of this trackless rubber-tyred command car is simple, and mechanical energy is converted into the pressure energy of hydraulic efficiency oil by shaft coupling, and hydro-pump Direct driver four oil motors, handling is good, reliability height.
Accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model;
In accompanying drawing: 1. off-front wheel oil motor, 2. parking pilot operated valve device, 3. engine, 4. hydraulic valve bank, 5. right back take turns oil motor, 6. the near front wheel oil motor, 7. hydro-pump, 8. water cooler, 9. walk that hydraulic pressure purifier, 10. hydraulic reservoir, 11. flush valves, 12. left back take turns oil motor, 13. anti-slip control valves, 14. pilot operated valve device, 15. single brake valves, 16. turn to oil return purifier, 17 toothed gear pumps, 18. steering hydraulic fuel tanks, 19. to turn to machine, 20. steering cylinders.
Embodiment:
For the utility model is implemented object, technical scheme and advantage clearly, below in conjunction with accompanying drawing of the present utility model, the utility model is further described in more detail.
To in description of the present utility model; it will be appreciated that the description of the orientation of instruction or position relation is based on orientation shown in the drawings or position relation; it is only the utility model and simplified characterization for convenience of description; instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
In FIG, the hydrostatic four-wheel drive system of trackless rubber-tyred command car that the utility model provides, comprises power system, Controlling System, executive system and subsystem, and power system comprises hydro-pump 7 and toothed gear pump 17; Controlling System comprises anti-slip control valve 13, parking pilot operated valve device 2, single brake valve 15, storage battery; Executive system comprises oil motor and steering cylinder 20; Subsystem comprises flush valve 11, walking hydraulic pressure purifier 9, turns to oil return purifier 16, steering hydraulic fuel tank 18; It is characterized in that hydro-pump 7 is connected with engine 3 by shaft coupling, hydro-pump 7 is contacted by transition connecting disc and toothed gear pump 17, it is achieved main shaft is coaxial, and toothed gear pump 17 is gone here and there on hydro-pump 7, mainly for turning to and auxiliary mechanism's offer power. Described hydro-pump 7 is the hydrostatic four-wheel drive system offer power of trackless rubber-tyred command car, hydro-pump 7 oil-in is connected with hydraulic reservoir 10, hydro-pump 7 oil outlet is connected with four oil motors by pipeline, and described oil motor comprises off-front wheel oil motor 1, the near front wheel oil motor 6, right back take turns oil motor 5 and left back take turns oil motor 12. Also being provided with a steering cylinder 20 on off-front wheel oil motor 1 and the near front wheel oil motor 6, steering cylinder 20 provides hydraulic efficiency oil by toothed gear pump 17, and by turning to, machine 19 controls the action of steering cylinder 20 to mechanical part; Hydraulic valve bank 4 is arranged on the path of hydro-pump 7 and four oil motors.
The hydrostatic four-wheel drive system of trackless rubber-tyred command car is provided with anti-slip control valve 13, parking pilot operated valve device 2, single brake valve 15, storage battery. Anti-slip control valve 13 can the break-make of hydraulic control valve group 4 by electrical signal, thus control off-front wheel oil motor 1, the break-make of the near front wheel oil motor 6 path and right back take turns oil motor 5, the left back break-make taking turns oil motor 12 path, realize four drive and two drive between conversion, prevent vehicle from wheel-slip occurring and cast anchor under low-lying, muddy ground condition. Parking pilot operated valve device 2 is connected by pipeline and trailing wheel oil parts of stopping, it is possible to promptly acts on and left back take turns oil motor 12 and right back take turns on oil motor 5, it is achieved snub. Single brake valve 15 controls pilot operated valve device 14 by electrical signal, pilot operated valve device 14 hydraulic control pump 7 swash plate, and hydraulic pressure swash plate realizes hydrostatic service brake after making zero.
The hydrostatic four-wheel drive system path of trackless rubber-tyred command car is also provided with flush valve 11 and walking hydraulic pressure purifier 9. Flush valve 11 is connected with water cooler 8, and flush valve 11, from trackless rubber-tyred command car hydrostatic four-wheel drive system path high pressure pipeline section extension hydraulic efficiency oil, enters water cooler 8 and cools, and cooling enters trackless rubber-tyred command car hydrostatic four-wheel drive system path low pressure pipeline section after terminating. Hydraulic efficiency oil in walking hydraulic circuit enters walking hydraulic pressure purifier 9 by hydraulic moving hydraulic pressure purifier 9 oil-in, walking hydraulic pressure purifier 9 oil outlet is connected with hydraulic reservoir 10, hydraulic efficiency oil in system is filtered by walking hydraulic pressure purifier 9, and the hydraulic efficiency oil after filtration returns to hydraulic reservoir 10 again; Steering hydraulic oil in steering hydraulic hydraulic circuit returns to steering hydraulic fuel tank 18 again through turning to oil return purifier 16 to filter.
When the hydrostatic four-wheel drive system of trackless rubber-tyred command car works, engine provides power by shaft coupling directly to hydro-pump, mechanical energy is converted into the pressure energy of hydraulic efficiency oil, then hydro-pump 7 Direct driver four oil motors, transmission process is simple, it is no longer necessary to wheel box, the devices such as speed reduction unit, handling is good, reliability height, load is big, and later maintenance is simple.
Claims (3)
1. the hydrostatic four-wheel drive system of trackless rubber-tyred command car, comprises power system, Controlling System, executive system and subsystem, and power system comprises hydro-pump (7) and toothed gear pump (17); Controlling System comprises anti-slip control valve (13), parking pilot operated valve device (2), single brake valve (15), storage battery; Executive system comprises oil motor and steering cylinder (20); Subsystem comprises flush valve (11), walking hydraulic pressure purifier (9), turns to oil return purifier (16), steering hydraulic fuel tank (18); Hydro-pump (7) is connected with engine (3) by shaft coupling, hydro-pump (7) is contacted by transition connecting disc and toothed gear pump (17), realize main shaft coaxial, toothed gear pump (17) is gone here and there on hydro-pump (7), hydro-pump (7) oil-in is connected with hydraulic reservoir (10), hydro-pump (7) oil outlet is connected with four oil motors by pipeline, and described oil motor comprises off-front wheel oil motor (1), the near front wheel oil motor (6), right back take turns oil motor (5) and left back take turns oil motor (12); It is characterized in that: off-front wheel oil motor (1) and the near front wheel oil motor (6) are also provided with a steering cylinder (20), steering cylinder (20) provides hydraulic efficiency oil by toothed gear pump (17), by turning to, machine (19) is connected mechanical part with steering cylinder (20), and hydraulic valve bank (4) is arranged on the path of hydro-pump (7) and four oil motors.
2. the hydrostatic four-wheel drive system of trackless rubber-tyred command car as claimed in claim 1, it is characterized in that described hydraulic valve bank (4) is connected with the anti-slip control valve (13) controlling its break-make by electrical signal, parking pilot operated valve device (2) is connected by pipeline and trailing wheel oil parts of stopping; Pilot operated valve device 14 is connected with the single brake valve (15) controlling its action by electrical signal.
3. the hydrostatic four-wheel drive system of trackless rubber-tyred command car as claimed in claim 1, it is characterized in that described flush valve (11) is connected with water cooler (8), walking hydraulic pressure purifier (9) oil-in is connected with walking hydraulic circuit, and walking hydraulic pressure purifier (9) oil outlet is connected with hydraulic reservoir (10); Turn to oil return purifier (16) oil-in to be connected with steering hydraulic hydraulic circuit, turn to oil return purifier (16) oil outlet to be connected with steering hydraulic fuel tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931247.5U CN205273184U (en) | 2015-11-23 | 2015-11-23 | Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931247.5U CN205273184U (en) | 2015-11-23 | 2015-11-23 | Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car |
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| CN205273184U true CN205273184U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520931247.5U Active CN205273184U (en) | 2015-11-23 | 2015-11-23 | Hydrostatic 4 wheel driven system of trolley -bus rubber tyer command car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437964A (en) * | 2015-11-23 | 2016-03-30 | 山东力士泰装备制造有限公司 | Hydrostatic four-wheel drive system for trackless rubber-tyred command vehicle |
| CN108184353A (en) * | 2018-01-12 | 2018-06-22 | 农业部南京农业机械化研究所 | A kind of paddy field equipment universal chassis of hydrostatic drive |
-
2015
- 2015-11-23 CN CN201520931247.5U patent/CN205273184U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437964A (en) * | 2015-11-23 | 2016-03-30 | 山东力士泰装备制造有限公司 | Hydrostatic four-wheel drive system for trackless rubber-tyred command vehicle |
| CN108184353A (en) * | 2018-01-12 | 2018-06-22 | 农业部南京农业机械化研究所 | A kind of paddy field equipment universal chassis of hydrostatic drive |
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