CN203713554U - Single-axle hydraulic driving device for large-size mining dump truck - Google Patents
Single-axle hydraulic driving device for large-size mining dump truck Download PDFInfo
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- CN203713554U CN203713554U CN201420044177.7U CN201420044177U CN203713554U CN 203713554 U CN203713554 U CN 203713554U CN 201420044177 U CN201420044177 U CN 201420044177U CN 203713554 U CN203713554 U CN 203713554U
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Abstract
The utility model discloses a single-axle hydraulic driving device for a large-size mining dump truck. The single-axle hydraulic driving device comprises a first driving device for driving two front wheels of the truck to rotate and a second driving device for driving two rear wheels of the truck to rotate, wherein the two rear wheels of the truck are connected through a rear driving axle; the second driving device is connected with the rear driving axle; the first driving device comprises a first engine and a first transmission system for driving the front wheels to rotate; an output shaft of the first engine is connected with a driving shaft of the first transmission system; an output shaft of the first transmission system is connected with the two front wheels of the truck respectively; the second driving device comprises a second engine and a second transmission system for driving the rear driving axle to realize transmission; an output shaft of the second engine is connected with the rear driving axle through the second transmission system. The single-axle hydraulic driving device for the large-size mining dump truck is high in load bearing capacity and high in operability; independent front-wheel driving, independent rear-wheel driving or all-wheel driving of the mining dump truck can be realized.
Description
Technical field
The utility model belongs to quarry tipper field, is specifically related to a kind of large-scale mine dumping car list bridge fluid pressure drive device.
Background technology
Large-scale mine dumping car is one of important transportation means of Modern Mining Enterprises, is exclusively used in the heavy construction building sites such as surface mine, stone pit and hydroelectric project.Its work characteristics is that length of run is short, carrying is heavy, often by large-scale power shovel, is coordinated and is loaded, and travels to and fro between digging point and unloads ore deposit point.
Large-scale mine dumping car can be divided into again two kinds of hydraulic machine transmission dumping car and electric transmission dumping cars by type of drive.The power transmission route of hydraulic machine transmission dumping car is: driving engine → turbine transformer → dynamic power shift gear box → transmission shaft → rear driving axle → trailing wheel.The power transmission route of electric transmission dumping car is: driving engine → alternating current generator → straightening and filtering unit → inverter → alternating-current motor/AC motor → drive wheel.Hydraulic machine transmission had both realized the ride comfort of gear shift, met the requirement of operation quality, also there is certain load adaptive ability, but the characteristic of turbine transformer has determined that quarry tipper moving velocity controllability is poor, and during operation, the efficient district of driving system is narrower, affects operating efficiency.The intermediate link of electric transmission is few, and messenger chain is short, and mechanical wear is few, can realize stepless change, nothing friction electric braking and automatic electric differential etc., but the energy capacity of electrical motor is little, and the HM Hydraulic Motor of an electrical motor and same power is compared, and its weight and volume is much bigger.
In sum, electric transmission dumping car transmission system is bulky, and load adaptive ability is poor.Though hydraulic transmission dumping car has part load adaptive ability, its high-efficient homework interval is narrow, and whole efficiency of energy utilization awaits improving.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of large-scale mine dumping car list bridge fluid pressure drive device is provided, and this device bearing load ability is strong, strong operability.
For achieving the above object, large-scale mine dumping car list bridge fluid pressure drive device described in the utility model comprises the first actuating device and the second actuating device for driving two rear wheels of vehicle to rotate for driving two front vehicle wheels of vehicle to rotate, two rear wheels of vehicle are connected by rear driving axle, and the second actuating device is connected with rear driving axle;
Described the first actuating device comprises the first driving engine and the first driving system for driving front vehicle wheel to rotate, the output shaft of the first driving engine is connected with the axle drive shaft of the first driving system, and the output shaft of the first driving system is connected with two front vehicle wheels of vehicle respectively;
Described the second actuating device comprises the second driving engine and the second driving system for driving rear driving axle to rotate, and the output shaft of the second driving engine is connected by the second driving system with rear driving axle.
Described the first driving system comprises front controllable capacity pump, synchronous valve, the first front variable-dis-placement motor, the second front variable-dis-placement motor, first round side reducer and the second wheel reduction gear, the output shaft of the first driving engine is connected with the axle drive shaft of front controllable capacity pump, the first actuator port of front controllable capacity pump communicates with the oil inlet port of synchronous valve, synchronous valve is provided with two oil outlets, wherein, first oil outlet communicates with the first actuator port of the first front variable-dis-placement motor, second oil outlet communicates with the first actuator port of the second front variable-dis-placement motor, the second actuator port of the first front variable-dis-placement motor and the second actuator port of the second front variable-dis-placement motor by pipeline Guan Houyu before the second actuator port of controllable capacity pump be connected, the output shaft of the first front variable-dis-placement motor is connected by first round side reducer with a front vehicle wheel of vehicle, the output shaft of the second front variable-dis-placement motor is connected by the second wheel reduction gear with another front vehicle wheel of vehicle.
Described the second driving system comprises auxiliary gear box, the first rear controllable capacity pump, the second rear controllable capacity pump, the first rear variable-dis-placement motor, the second rear variable-dis-placement motor, the 3rd rear variable-dis-placement motor, the 4th rear variable-dis-placement motor and gear collector-shoe gear, the output shaft of the second driving engine is connected with the input shaft of auxiliary gear box, auxiliary gear box is provided with two output shafts, and two output shafts on auxiliary gear box are connected with the axle drive shaft of the first rear controllable capacity pump and the axle drive shaft of the second rear controllable capacity pump respectively;
The first actuator port on described the first rear controllable capacity pump and the first actuator port of the second rear controllable capacity pump are connected with the first actuator port on the first rear variable-dis-placement motor, the first actuator port on the second rear variable-dis-placement motor, the first actuator port on the 3rd rear variable-dis-placement motor and the first actuator port on the 4th rear variable-dis-placement motor respectively after by pipeline pipe; The second actuator port on the first rear controllable capacity pump and the second actuator port of the second rear controllable capacity pump are connected with the second actuator port on the first rear variable-dis-placement motor, the second actuator port on the second rear variable-dis-placement motor, the second actuator port on the 3rd rear variable-dis-placement motor and the second actuator port on the 4th rear variable-dis-placement motor respectively after by pipeline pipe;
The output shaft of the output shaft of the output shaft of the output shaft of described the first rear variable-dis-placement motor, the second rear variable-dis-placement motor, the 3rd rear variable-dis-placement motor and the 4th rear variable-dis-placement motor is connected with the input shaft of gear collector-shoe gear respectively, and the output shaft of gear collector-shoe gear is connected with rear driving axle.
The axle drive shaft of described front controllable capacity pump is connected with the output shaft of the first driving engine by coupler.
The output shaft of described gear collector-shoe gear is connected with rear driving axle by transmission shaft and universal joint assembly.
The utlity model has following beneficial effect:
Large-scale mine dumping car list bridge fluid pressure drive device described in the utility model comprises the first driving engine, the first driving system, the second driving engine and the second driving system, in the course of the work, when vehicle deadhead operation, rear wheel by the second motor-powered vehicle rotates, when vehicle is fully loaded while travelling, open the first driving engine and the second driving engine, thereby drive the front vehicle wheel of vehicle and rear wheel with the load in motor vehicle by the first driving engine and the second driving engine simultaneously, thereby can open flexibly or close the first driving engine according to the weight of load, and then realize front-wheel and drive separately, trailing wheel drives separately or full wheel drive.
Further, described the first driving system comprises front controllable capacity pump, thereby by changing the swash plate angle direction of front controllable capacity pump, change the hand of rotation of the first front variable-dis-placement motor and the second front variable-dis-placement motor, and then the rotation direction of adjustment front vehicle wheel, the second driving system comprises the first rear controllable capacity pump and the second rear controllable capacity pump, thereby change the first rear variable-dis-placement motor by changing the swash plate angle direction of the first rear controllable capacity pump and the second rear controllable capacity pump, the second rear variable-dis-placement motor, the hand of rotation of the 3rd rear variable-dis-placement motor and the 4th rear variable-dis-placement motor, and then control the rotation direction of vehicle rear wheel, easy to operate, simply.
Accompanying drawing explanation
Fig. 1 is the structural representation of utility model.
Wherein, 1 is that front vehicle wheel, 2 is that first round side reducer, 3 is that the first front variable-dis-placement motor, 4 is that front controllable capacity pump, 5 is that the first driving engine, 6 is that rear wheel, 7 is that rear driving axle, 8 is that gear collector-shoe gear, 91 is that the first rear variable-dis-placement motor, 92 is that the second rear variable-dis-placement motor, 93 is that the 3rd rear variable-dis-placement motor, 94 is that the 4th rear variable-dis-placement motor, 101 is that the first rear controllable capacity pump, 102 is that the second rear controllable capacity pump, 11 is that auxiliary gear box, 12 is that the second driving engine, 13 is that the second front variable-dis-placement motor, 14 is that the second wheel reduction gear, 15 is synchronous valve.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1, large-scale mine dumping car list bridge fluid pressure drive device described in the utility model, it is characterized in that, comprise the first actuating device and the second actuating device for driving two rear wheels of vehicle 6 to rotate for driving two front vehicle wheels of vehicle 1 to rotate, two rear wheels 6 of vehicle are connected by rear driving axle 7, and the second actuating device is connected with rear driving axle 7;
Described the first actuating device comprises the first driving engine 5 and the first driving system for driving front vehicle wheel 1 to rotate, the output shaft of the first driving engine 5 is connected with the axle drive shaft of the first driving system, the output shaft of the first driving system is connected with two front vehicle wheels 1 of vehicle respectively, the first driving system comprises front controllable capacity pump 4, synchronous valve 15, the first front variable-dis-placement motor 3, the second front variable-dis-placement motor 13, first round side reducer 2 and the second wheel reduction gear 14, the output shaft of the first driving engine 5 is connected with the axle drive shaft of front controllable capacity pump 4, the first actuator port of front controllable capacity pump 4 communicates with the oil inlet port of synchronous valve 15, synchronous valve is provided with two oil outlets, wherein, first oil outlet communicates with the first actuator port of the first front variable-dis-placement motor 3, second oil outlet communicates with the first actuator port of the second front variable-dis-placement motor 3, communicate the second actuator port of the first front variable-dis-placement motor 3 and the second actuator port of the second front variable-dis-placement motor 13 by pipeline Guan Houyu before the second actuator port of controllable capacity pump 4 be connected, the output shaft of the first front variable-dis-placement motor 3 is connected by first round side reducer 2 with a front vehicle wheel 1 of vehicle, the output shaft of the second front variable-dis-placement motor 13 is connected by the second wheel reduction gear 14 with another front vehicle wheel 1 of vehicle.
Described the second actuating device comprises the second driving engine 12 and the second driving system for driving rear driving axle 7 to rotate, the output shaft of the second driving engine 12 is connected by the second driving system with rear driving axle 7, the second driving system comprises auxiliary gear box 11, the first rear controllable capacity pump 101, the second rear controllable capacity pump 102, the first rear variable-dis-placement motor 91, the second rear variable-dis-placement motor 92, the 3rd rear variable-dis-placement motor 93, the 4th rear variable-dis-placement motor 94 and gear collector-shoe gear 8, the output shaft of the second driving engine 12 is connected with the input shaft of auxiliary gear box 11, auxiliary gear box 11 is provided with two output shafts, two output shafts on auxiliary gear box 11 are connected with the axle drive shaft of the first rear controllable capacity pump 101 and the axle drive shaft of the second rear controllable capacity pump 102 respectively, the first actuator port on described the first rear controllable capacity pump 101 and the first actuator port of the second rear controllable capacity pump 102 by after pipeline pipe respectively with the first rear variable-dis-placement motor 91 on the first actuator port, the first actuator port on the second rear variable-dis-placement motor 92, the first actuator port on the first actuator port on the 3rd rear variable-dis-placement motor 93 and the 4th rear variable-dis-placement motor 94 is connected, the second actuator port on the first rear controllable capacity pump 101 and the second actuator port of the second rear controllable capacity pump 102 are connected with the second actuator port on the first rear variable-dis-placement motor 91, the second actuator port on the second rear variable-dis-placement motor 92, the second actuator port on the 3rd rear variable-dis-placement motor 93 and the second actuator port on the 4th rear variable-dis-placement motor 94 respectively after by pipeline pipe, the output shaft of the output shaft of the output shaft of the output shaft of the first rear variable-dis-placement motor 91, the second rear variable-dis-placement motor 92, the 3rd rear variable-dis-placement motor 93 and the 4th rear variable-dis-placement motor 94 is connected with the input shaft of gear collector-shoe gear 8 respectively, and the output shaft of gear collector-shoe gear 8 is connected with rear driving axle 7.
In addition, the axle drive shaft of front controllable capacity pump 4 is connected with the output shaft of the first driving engine 5 by coupler, and the output shaft of gear collector-shoe gear 8 is connected with rear driving axle 7 by transmission shaft and universal joint assembly, and rear driving axle 7 is with differential locking-device function.
Specific works process of the present utility model is:
The utility model in the course of the work, thereby by changing the swash plate angle direction of front controllable capacity pump 4, change the hand of rotation of the first front variable-dis-placement motor 3 and the second front variable-dis-placement motor 13, and then adjust the rotation direction of front vehicle wheel.In addition, thereby by changing the swash plate angle direction of the first rear controllable capacity pump 101 and the second rear controllable capacity pump 102, change the hand of rotation of rear variable-dis-placement motor the 92, the 3rd rear variable-dis-placement motor 93 of the first rear variable-dis-placement motor 91, second and the 4th rear variable-dis-placement motor 94, and then adjust the rotation direction of rear wheel.In the process that drives vehicle front vehicle wheel 1 to rotate, by the first driving engine 5, rotate front controllable capacity pump 4 work that drive, make high pressure oil enter into the first front variable-dis-placement motor 3 and the second front variable-dis-placement motor 13, and drive the first front variable-dis-placement motor 3 and the second front variable-dis-placement motor 13 to rotate, the rotation of the first front variable-dis-placement motor 3 drives a front vehicle wheel 1 to rotate by first round side reducer 2, and the rotation of the second front variable-dis-placement motor 13 drives another front vehicle wheel 1 to rotate by the second wheel reduction gear 14.
In the process of rotation that drives vehicle rear wheel 6, the second driving engine 12 drives respectively the first rear controllable capacity pump 101 and the second rear controllable capacity pump 102 work by auxiliary gear box 11, the first rear controllable capacity pump 101 and the second rear controllable capacity pump 102 make high pressure oil enter into the first rear variable-dis-placement motor 91, the second rear variable-dis-placement motor 92, in the 3rd rear variable-dis-placement motor 93 and the 4th rear variable-dis-placement motor 94, and drive the first rear variable-dis-placement motor 91, the second rear variable-dis-placement motor 92, the 3rd rear variable-dis-placement motor 93 and the 4th rear variable-dis-placement motor 94 work, the output shaft of the first rear variable-dis-placement motor 91, the output shaft of the second rear variable-dis-placement motor 92, after the output shaft of the output shaft of the 3rd rear variable-dis-placement motor 93 and the 4th rear variable-dis-placement motor 94 confluxes by gear collector-shoe gear 8, drive rear driving axle 7 work, thereby two rear wheels 6 with motor vehicle rotate.
In the course of the work, when vehicle is fully loaded while travelling, make the first driving engine 5 and the second driving engine 12 work simultaneously, when vehicle deadhead operation, only make the second driving engine 12 work, reach energy-conservation object, improved the economic benefit of dumping car in the haul-cycle time.According to operating mode situation, manually select to open the quantity of variable-dis-placement motor, or the discharge capacity of controllable capacity pump and variable-dis-placement motor in adjusting power hydraulic system, can make dumping car when load increases, automatically reduce the speed of a motor vehicle, when reducing, load automatically improves the speed of a motor vehicle, automatically adapt to load variations, and can realize electrodeless variable-speed.
Claims (5)
1. a large-scale mine dumping car list bridge fluid pressure drive device, it is characterized in that, comprise the first actuating device and the second actuating device for driving two rear wheels of vehicle (6) to rotate for driving two front vehicle wheels of vehicle (1) to rotate, two rear wheels (6) of vehicle are connected by rear driving axle (7), and the second actuating device is connected with rear driving axle (7);
Described the first actuating device comprises the first driving engine (5) and the first driving system for driving front vehicle wheel (1) to rotate, the output shaft of the first driving engine (5) is connected with the axle drive shaft of the first driving system, and the output shaft of the first driving system is connected with two front vehicle wheels (1) of vehicle respectively;
Described the second actuating device comprises the second driving engine (12) and the second driving system for driving rear driving axle (7) to rotate, and the output shaft of the second driving engine (12) is connected by the second driving system with rear driving axle (7).
2. large-scale mine dumping car list bridge fluid pressure drive device according to claim 1, it is characterized in that, described the first driving system comprises front controllable capacity pump (4), synchronous valve (15), the first front variable-dis-placement motor (3), the second front variable-dis-placement motor (13), first round side reducer (2) and the second wheel reduction gear (14), the output shaft of the first driving engine (5) is connected with the axle drive shaft of front controllable capacity pump (4), the first actuator port of the first actuator port of the first front variable-dis-placement motor (3) and the second front variable-dis-placement motor (13) is connected with the first actuator port of front controllable capacity pump (4) by synchronous valve (15), the second actuator port of the second actuator port of the first front variable-dis-placement motor (3) and the second front variable-dis-placement motor (13) is connected by the second actuator port of pipeline the front controllable capacity pump (4) of Guan Houyu, the output shaft of the first front variable-dis-placement motor (3) is connected by first round side reducer (2) with a front vehicle wheel (1) of vehicle, the output shaft of the second front variable-dis-placement motor (13) is connected by the second wheel reduction gear (14) with another front vehicle wheel (1) of vehicle.
3. large-scale mine dumping car list bridge fluid pressure drive device according to claim 2, it is characterized in that, described the second driving system comprises auxiliary gear box (11), the first rear controllable capacity pump (101), the second rear controllable capacity pump (102), the first rear variable-dis-placement motor (91), the second rear variable-dis-placement motor (92), the 3rd rear variable-dis-placement motor (93), the 4th rear variable-dis-placement motor (94) and gear collector-shoe gear (8), the output shaft of the second driving engine (12) is connected with the input shaft of auxiliary gear box (11), auxiliary gear box (11) is provided with two output shafts, two output shafts on auxiliary gear box (11) are connected with the axle drive shaft of the first rear controllable capacity pump (101) and the axle drive shaft of the second rear controllable capacity pump (102) respectively,
The first actuator port on described the first rear controllable capacity pump (101) and the first actuator port of the second rear controllable capacity pump (102) are connected with the first actuator port on the first rear variable-dis-placement motor (91), the first actuator port on the second rear variable-dis-placement motor (92), the first actuator port on the 3rd rear variable-dis-placement motor (93) and the first actuator port on the 4th rear variable-dis-placement motor (94) respectively after by pipeline pipe; The second actuator port on the first rear controllable capacity pump (101) and the second actuator port of the second rear controllable capacity pump (102) are connected with the second actuator port on the first rear variable-dis-placement motor (91), the second actuator port on the second rear variable-dis-placement motor (92), the second actuator port on the 3rd rear variable-dis-placement motor (93) and the second actuator port on the 4th rear variable-dis-placement motor (94) respectively after by pipeline pipe;
The output shaft of the output shaft of the output shaft of the output shaft of described the first rear variable-dis-placement motor (91), the second rear variable-dis-placement motor (92), the 3rd rear variable-dis-placement motor (93) and the 4th rear variable-dis-placement motor (94) is connected with the input shaft of gear collector-shoe gear (8) respectively, and the output shaft of gear collector-shoe gear (8) is connected with rear driving axle (7).
4. large-scale mine dumping car list bridge fluid pressure drive device according to claim 2, is characterized in that, the axle drive shaft of described front controllable capacity pump (4) is connected with the output shaft of the first driving engine (5) by coupler.
5. large-scale mine dumping car list bridge fluid pressure drive device according to claim 3, is characterized in that, the output shaft of described gear collector-shoe gear (8) is connected with rear driving axle (7) by transmission shaft and universal joint assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044177.7U CN203713554U (en) | 2014-01-23 | 2014-01-23 | Single-axle hydraulic driving device for large-size mining dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044177.7U CN203713554U (en) | 2014-01-23 | 2014-01-23 | Single-axle hydraulic driving device for large-size mining dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713554U true CN203713554U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044177.7U Expired - Fee Related CN203713554U (en) | 2014-01-23 | 2014-01-23 | Single-axle hydraulic driving device for large-size mining dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770635A (en) * | 2014-01-23 | 2014-05-07 | 长安大学 | Single-axle hydraulic driving device for large-sized mining dump vehicle |
-
2014
- 2014-01-23 CN CN201420044177.7U patent/CN203713554U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770635A (en) * | 2014-01-23 | 2014-05-07 | 长安大学 | Single-axle hydraulic driving device for large-sized mining dump vehicle |
| CN103770635B (en) * | 2014-01-23 | 2016-03-30 | 长安大学 | A kind of large-scale mine dumping car list bridge fluid pressure drive device |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20140716 Termination date: 20160123 |
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| EXPY | Termination of patent right or utility model |