CN203755364U - Bridge-free hydraulic driving device of high-power land leveller - Google Patents
Bridge-free hydraulic driving device of high-power land leveller Download PDFInfo
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- CN203755364U CN203755364U CN201420111865.0U CN201420111865U CN203755364U CN 203755364 U CN203755364 U CN 203755364U CN 201420111865 U CN201420111865 U CN 201420111865U CN 203755364 U CN203755364 U CN 203755364U
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Abstract
The utility model discloses a bridge-free hydraulic driving device of a high-power land leveller. The bridge-free hydraulic driving device of the high-power land leveller comprises an engine, a transfer case, a first hydraulic variable pump, a second hydraulic variable pump, a third hydraulic variable pump, a first drive system, a second drive system, and a third drive system, wherein the first drive system is used for driving a first front drive wheel and a second front drive wheel of land leveller to rotate, the second drive system is used for driving a first rear drive wheel and a second rear drive wheel of land leveller to rotate, and the third drive system is used for driving a third rear drive wheel and a fourth rear drive wheel of the land leveller to rotate. The bridge-free hydraulic driving device of the high-power land leveller is convenient to operate, small in size, light in weight and capable of saving energy.
Description
Technical field
The utility model relates to a kind of drive unit, is specifically related to a kind of high-power land leveller without bridge fluid pressure drive device.
Background technology
Land leveller is a kind of taking perching knife as main, be equipped with other multiple interchangeable apparatus for work, carry out the construction machinery of formation of land and plastic operation, being mainly used in the smooth operations of large area such as road, airport, mining area, irrigation and water conservancy and scraping slope, ditching, bulldoze, loosen the soil, remove the construction operation of the aspects such as ice and snow on road surfaces, is one of visual plant in defence construction, traffic, mine, Water Capital Construction construction.
In current known high-power land leveller, the kind of drive of running and driving system is machine driving, hydraulic machine transmission, electric transmission.Wherein mechanical drive mode transmission efficiency is high, operating speed is subject to the impact of load variations less, but machine driving is step speed regulation, when gearshift, easily produce and impact, affect operation quality and operation comfort, and load adaptive ability is poor, when load variations, operator needs manually to change gear to meet dynamic property and the economy of land leveller, land leveller load variations is frequent, has greatly increased operator's labour intensity.In this kind of drive of hydraulic mechanical type, need fluid torque-converter, and this fluid torque-converter just to have in structure aspects self not too easily overcome definite be that efficiency is lower, land leveller complete machine vehicle body is longer simultaneously.Therefore the obvious weak point of the land leveller of this structure is: the effective rate of utilization of motor 1 is on the low side.Electric transmission intermediate link is few, and driving-chain is short, and mechanical wear is few, can realize infinitely variable speeds, nothing friction electric braking and automatic electric differential etc., but the energy capacity of motor is little, and the hydraulic motor of a motor and same power is compared, and its weight and volume is much bigger.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, provides a kind of high-power land leveller without bridge fluid pressure drive device, this device handiness, and volume is little, lightweight, energy conservation.
For achieving the above object, high-power land leveller described in the utility model without bridge fluid pressure drive device comprise motor, transfer case, the first hydraulic variable displacement pump, the second hydraulic variable displacement pump, the 3rd hydraulic variable displacement pump, for the first transmission system of driving the first front driving wheel on land leveller and the second front driving wheel to rotate, for driving the first rear drive sprocket of land leveller and the second transmission system that the second rear drive sprocket rotates and for driving the 3rd rear drive sprocket of land leveller and the 3rd transmission system that the 4th rear drive sprocket rotates;
The output shaft of described motor is connected with the power shaft of transfer case, transfer case is provided with three output shafts, and three output shafts on transfer case are connected with driving shaft, the driving shaft of the second hydraulic variable displacement pump and the driving shaft of the 3rd hydraulic variable displacement pump of the first hydraulic variable displacement pump respectively;
The first actuator port on described the first hydraulic variable displacement pump and the second actuator port are connected with the first actuator port and the second actuator port in the first transmission system respectively, and two output shafts in the first transmission system are connected with the first front driving wheel and the second front driving wheel respectively;
The first actuator port on described the second hydraulic variable displacement pump and the second actuator port are connected with the first actuator port and the second actuator port in the second transmission system respectively, and two output shafts in the second transmission system are connected with the first rear drive sprocket and the second rear drive sprocket respectively;
The first actuator port on described the 3rd hydraulic variable displacement pump and the second actuator port are connected with the first actuator port and the second actuator port in the 3rd transmission system respectively, and two output shafts in the 3rd transmission system are connected with the 3rd rear drive sprocket and the 4th rear drive sprocket respectively.
Described the first transmission system comprises the first synchronized splitter valve, the first hydraulic variable motor, first round side reducer, the second hub reduction gear, the first actuator port on the first hydraulic variable displacement pump is connected with the first actuator port on the first actuator port and the second hydraulic variable motor on the first hydraulic variable motor respectively by the first synchronized splitter valve, the second actuator port on the second actuator port and the second hydraulic variable motor on the first hydraulic variable motor is connected by the second actuator port on pipeline Guan Houyu the first hydraulic variable displacement pump, the output shaft of the first hydraulic variable motor is connected with the first front driving wheel by first round side reducer, the output shaft of the second hydraulic variable motor is connected with the second front driving wheel by the second hub reduction gear.
Described the second transmission system comprises the second synchronized splitter valve, the first tandem-driving bogie, the first drive system and the second drive system, the first actuator port on the second hydraulic variable displacement pump is connected with the first actuator port of the first drive system and the first actuator port of the second drive system respectively by the second synchronized splitter valve, the second actuator port in the second actuator port and the second drive system in the first drive system is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump, two power shafts on the first tandem-driving bogie are connected with the output shaft of the first drive system and the output shaft of the second drive system respectively, two output shafts on the first tandem-driving bogie are connected with the first rear drive sprocket and the second rear drive sprocket on land leveller respectively.
Described the 3rd transmission system comprises the 3rd synchronized splitter valve, the second tandem-driving bogie, the 3rd drive system and the 4th drive system, the first actuator port on the 3rd hydraulic variable displacement pump is connected with the first actuator port of the 3rd drive system and the first actuator port of the 4th drive system respectively by the 3rd synchronized splitter valve, the second actuator port of the 3rd drive system is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump with the second actuator port of the 4th drive system, two power shafts on the second tandem-driving bogie are connected with the output shaft of the 3rd drive system and the output shaft of the 4th drive system respectively, two output shafts on the second tandem-driving bogie are connected with the 3rd rear drive sprocket and the 4th rear drive sprocket on land leveller respectively.
When the power of land leveller is less than or equal to 800 horse-power-hours, described the first drive system comprises third round side reducer and the 3rd hydraulic variable motor, the second drive system comprises fourth round side reducer and the 4th hydraulic variable motor, the first actuator port on the second hydraulic variable displacement pump is connected with the first actuator port on the first actuator port and the 4th hydraulic variable motor on the 3rd hydraulic variable motor respectively by the second synchronized splitter valve, the second actuator port on the 3rd hydraulic variable motor is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump with the second actuator port on the 4th hydraulic variable motor, the output shaft of the 3rd hydraulic variable motor is connected with a power shaft of the first tandem-driving bogie by third round side reducer, the output shaft of the 4th hydraulic variable motor is connected with another power shaft of the first tandem-driving bogie by fourth round side reducer,
Described the 3rd drive system comprises the 5th hub reduction gear and the 5th hydraulic variable motor, the 4th drive system comprises the 6th hub reduction gear and the 6th hydraulic variable motor, the first actuator port on the 3rd hydraulic variable displacement pump is connected with the first actuator port on the first actuator port and the 6th hydraulic variable motor on the 5th hydraulic variable motor respectively by the 3rd synchronized splitter valve, the second actuator port on the 5th hydraulic variable motor is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump with the second actuator port on the 6th hydraulic variable motor, the output shaft of the 5th hydraulic variable motor is connected with a power shaft on the second tandem-driving bogie by the 5th hub reduction gear, the output shaft of the 6th hydraulic variable motor is connected with another power shaft on the second tandem-driving bogie by the 6th hub reduction gear.
When the power of land leveller is greater than 800 horse-power-hours, described the first drive system comprises the first machinery interflow reduction box and two the 3rd hydraulic variable motors, the second drive system comprises the second machinery interflow reduction box and two the 4th hydraulic variable motors, the first actuator port on the second hydraulic variable displacement pump is connected with the first actuator port on the first actuator port and two the 4th hydraulic variable motors on two the 3rd hydraulic variable motors respectively by the second synchronized splitter valve, the second actuator port on two the 3rd hydraulic variable motors is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump with the second actuator port on two the 4th hydraulic variable motors, the output shaft of two the 3rd hydraulic variable motors is connected with two power shafts of the first machinery interflow reduction box respectively, the output shaft of two the 4th hydraulic variable motors is connected with two power shafts of the second machinery interflow reduction box respectively, the first machinery interflow output shaft of reduction box and a power shaft of the first tandem-driving bogie are connected, the second machinery interflow output shaft of reduction box and another power shaft of the first tandem-driving bogie are connected,
Described the 3rd drive system comprises the 3rd machinery interflow reduction box and two the 5th hydraulic variable motors, the 4th drive system comprises the 4th machinery interflow reduction box and two the 6th hydraulic variable motors, the first actuator port on the 3rd hydraulic variable displacement pump is connected with the first actuator port on the first actuator port and two the 6th hydraulic variable motors on two the 5th hydraulic variable motors respectively by the 3rd synchronized splitter valve, the second actuator port on two the 5th hydraulic variable motors is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump with the second actuator port on two the 6th hydraulic variable motors, the output shaft of two the 5th hydraulic variable motors is connected with two power shafts of the 3rd machinery interflow reduction box respectively, the output shaft of two the 6th hydraulic variable motors is connected with two power shafts of the 4th machinery interflow reduction box respectively, the output shaft of the 3rd machinery interflow reduction box is connected with a power shaft on the second tandem-driving bogie, the output shaft of the 4th machinery interflow reduction box is connected with another power shaft on the second tandem-driving bogie.
The utlity model has following beneficial effect:
High-power land leveller described in the utility model comprises motor without bridge fluid pressure drive device, transfer case, the first hydraulic variable displacement pump, the second hydraulic variable displacement pump, the 3rd hydraulic variable displacement pump, the first transmission system, the second transmission system and the 3rd transmission system, when work, motor drives the first hydraulic variable displacement pump by transfer case, the second hydraulic variable displacement pump and the 3rd hydraulic variable flow pump work, then the first hydraulic variable displacement pump rotates by the first front driving wheel and second front driving wheel of the first transmission system band motor-driven grader, the second hydraulic variable displacement pump rotates by the first rear drive sprocket and second rear drive sprocket of the second transmission system band motor-driven grader, the 3rd hydraulic variable displacement pump rotates by the 3rd rear drive sprocket and the 4th rear drive sprocket of the 3rd transmission system band motor-driven grader, easy to operate, simply, conserve space simultaneously.
Further, when the power of land leveller is greater than 800 horse-power-hours, the second transmission system comprises two the 3rd hydraulic variable motors and two the 4th hydraulic variable motors, and the 3rd transmission system comprises two the 5th hydraulic variable motors and two the 6th hydraulic variable motors; Can be according to operating mode situation by manually selecting to open the quantity of hydraulic variable motor, thereby improve the adaptive ability to load, energy conservation, improve the utilization rate of motor, can realize single front wheel driving, separately rear wheel drive and front-wheel and trailing wheel and drive simultaneously, easy to operate, flexible.
Brief description of the drawings
Fig. 1 is less than or equal to 800 horse-power-hours, structural representation of the present utility model when the power of land leveller;
Fig. 2 is greater than 800 horse-power-hours, structural representation of the present utility model when the power of land leveller.
Wherein, 1 is motor, 2 is transfer case, 3 is the first hydraulic variable displacement pump, 4 is the second hydraulic variable displacement pump, 5 is the 3rd hydraulic variable displacement pump, 6 is the first synchronized splitter valve, 7 is the second synchronized splitter valve, 8 is the 3rd synchronized splitter valve, 9 is the first hydraulic variable motor, 10 is the second hydraulic variable motor, 11 is the 3rd hydraulic variable motor, 12 is the 5th hydraulic variable motor, 13 is the 4th hydraulic variable motor, 14 is the 6th hydraulic variable motor, 15 is first round side reducer, 16 is the second hub reduction gear, 17 is third round side reducer, 18 is the 5th hub reduction gear, 19 is fourth round side reducer, 20 is the 6th hub reduction gear, 21 is the first tandem-driving bogie, 22 is the second tandem-driving bogie, 23 is the first front driving wheel, 24 is the second front driving wheel, 25 is the first rear drive sprocket, 26 is the 3rd rear drive sprocket, 27 is the second rear drive sprocket, 28 is the 4th rear drive sprocket, 29 is the first machinery interflow reduction box, 30 is the 3rd machinery interflow reduction box, 31 is the second machinery interflow reduction box, 32 is the 4th machinery interflow reduction box.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1 and Fig. 2, high-power land leveller described in the utility model without bridge fluid pressure drive device comprise motor 1, transfer case 2, the first hydraulic variable displacement pump 3, the second hydraulic variable displacement pump 4, the 3rd hydraulic variable displacement pump 5, for the first transmission system of driving the first front driving wheel 23 on land leveller and the second front driving wheel 24 to rotate, for driving the first rear drive sprocket 25 of land leveller and the second transmission system that the second rear drive sprocket 27 rotates and for driving the 3rd rear drive sprocket 26 of land leveller and the 3rd transmission system that the 4th rear drive sprocket 28 rotates; The output shaft of described motor 1 is connected with the power shaft of transfer case 2, transfer case 2 is provided with three output shafts, and three output shafts on transfer case 2 are connected with driving shaft, the driving shaft of the second hydraulic variable displacement pump 4 and the driving shaft of the 3rd hydraulic variable displacement pump 5 of the first hydraulic variable displacement pump 3 respectively; The first actuator port on described the first hydraulic variable displacement pump 3 and the second actuator port are connected with the first actuator port and the second actuator port in the first transmission system respectively, and two output shafts in the first transmission system are connected with the first front driving wheel 23 and the second front driving wheel 24 respectively; The first actuator port on described the second hydraulic variable displacement pump 4 and the second actuator port are connected with the first actuator port and the second actuator port in the second transmission system respectively, and two output shafts in the second transmission system are connected with the first rear drive sprocket 25 and the second rear drive sprocket 27 respectively; The first actuator port on described the 3rd hydraulic variable displacement pump 5 and the second actuator port are connected with the first actuator port and the second actuator port in the 3rd transmission system respectively, and two output shafts in the 3rd transmission system are connected with the 3rd rear drive sprocket 26 and the 4th rear drive sprocket 28 respectively.
Described the first transmission system comprises the first synchronized splitter valve 6, the first hydraulic variable motor 9, first round side reducer 15, the second hub reduction gear 16, the first actuator port on the first hydraulic variable displacement pump 3 is connected with the first actuator port on the first actuator port and the second hydraulic variable motor 10 on the first hydraulic variable motor 9 respectively by the first synchronized splitter valve 6, the second actuator port on the second actuator port on the first hydraulic variable motor 9 and the second hydraulic variable motor 10 is connected by the second actuator port on pipeline Guan Houyu the first hydraulic variable displacement pump 3, the output shaft of the first hydraulic variable motor 9 is connected with the first front driving wheel 23 by first round side reducer 15, the output shaft of the second hydraulic variable motor 10 is connected with the second front driving wheel 24 by the second hub reduction gear 16, described the second transmission system comprises the second synchronized splitter valve 7, the first tandem-driving bogie 21, the first drive system and the second drive system, the first actuator port on the second hydraulic variable displacement pump 4 is connected with the first actuator port of the first drive system and the first actuator port of the second drive system respectively by the second synchronized splitter valve 7, the second actuator port in the second actuator port and the second drive system in the first drive system is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump 4, two power shafts on the first tandem-driving bogie 21 are connected with the output shaft of the first drive system and the output shaft of the second drive system respectively, two output shafts on the first tandem-driving bogie 21 are connected with the first rear drive sprocket 25 and the second rear drive sprocket 27 on land leveller respectively, the 3rd transmission system comprises the 3rd synchronized splitter valve 8, the second tandem-driving bogie 22, the 3rd drive system and the 4th drive system, the first actuator port on the 3rd hydraulic variable displacement pump 5 is connected with the first actuator port of the 3rd drive system and the first actuator port of the 4th drive system respectively by the 3rd synchronized splitter valve 8, the second actuator port of the 3rd drive system is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump 5 with the second actuator port of the 4th drive system, two power shafts on the second tandem-driving bogie 22 are connected with the output shaft of the 3rd drive system and the output shaft of the 4th drive system respectively, two output shafts on the second tandem-driving bogie 22 are connected with the 3rd rear drive sprocket 26 and the 4th rear drive sprocket 28 on land leveller respectively.
It should be noted that, when the power of land leveller is less than or equal to 800 horse-power-hours;
Described the first drive system comprises third round side reducer 17 and the 3rd hydraulic variable motor 11, the second drive system comprises fourth round side reducer 19 and the 4th hydraulic variable motor 13, the first actuator port on the second hydraulic variable displacement pump 4 is connected with the first actuator port on the first actuator port and the 4th hydraulic variable motor 13 on the 3rd hydraulic variable motor 11 respectively by the second synchronized splitter valve 7, the second actuator port on the 3rd hydraulic variable motor 11 is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump 4 with the second actuator port on the 4th hydraulic variable motor 13, the output shaft of the 3rd hydraulic variable motor 11 is connected with a power shaft of the first tandem-driving bogie 21 by third round side reducer 17, the output shaft of the 4th hydraulic variable motor 13 is connected with another power shaft of the first tandem-driving bogie 21 by fourth round side reducer 19, the 3rd drive system comprises the 5th hub reduction gear 18 and the 5th hydraulic variable motor 12, the 4th drive system comprises the 6th hub reduction gear 20 and the 6th hydraulic variable motor 14, the first actuator port on the 3rd hydraulic variable displacement pump 5 is connected with the first actuator port on the first actuator port and the 6th hydraulic variable motor 14 on the 5th hydraulic variable motor 12 respectively by the 3rd synchronized splitter valve 8, the second actuator port on the 5th hydraulic variable motor 12 is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump 5 with the second actuator port on the 6th hydraulic variable motor 14, the output shaft of the 5th hydraulic variable motor 12 is connected with a power shaft on the second tandem-driving bogie 22 by the 5th hub reduction gear 18, the output shaft of the 6th hydraulic variable motor 14 is connected with another power shaft on the second tandem-driving bogie 22 by the 6th hub reduction gear 20.
When the power of land leveller is greater than 800 horse-power-hours, the first drive system comprises the first machinery interflow reduction box 29 and two the 3rd hydraulic variable motors 11, the second drive system comprises the second machinery interflow reduction box 31 and two the 4th hydraulic variable motors 13, the first actuator port on the second hydraulic variable displacement pump 4 is connected with the first actuator port on the first actuator port and two the 4th hydraulic variable motors 13 on two the 3rd hydraulic variable motors 11 respectively by the second synchronized splitter valve 7, the second actuator port on two the 3rd hydraulic variable motors 11 is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump 4 with the second actuator port on two the 4th hydraulic variable motors 13, the output shaft of two the 3rd hydraulic variable motors 11 is connected with two power shafts of the first machinery interflow reduction box 29 respectively, the output shaft of two the 4th hydraulic variable motors 13 is connected with two power shafts of the second machinery interflow reduction box 31 respectively, the first machinery interflow output shaft of reduction box 29 and a power shaft of the first tandem-driving bogie 21 are connected, the output shaft of the second machinery interflow reduction box 31 is connected with another power shaft of the first tandem-driving bogie 21, the 3rd drive system comprises the 3rd machinery interflow reduction box 30 and two the 5th hydraulic variable motors 12, the 4th drive system comprises the 4th machinery interflow reduction box 32 and two the 6th hydraulic variable motors 14, the first actuator port on the 3rd hydraulic variable displacement pump 5 is connected with the first actuator port on the first actuator port and two the 6th hydraulic variable motors 14 on two the 5th hydraulic variable motors 12 respectively by the 3rd synchronized splitter valve 8, the second actuator port on two the 5th hydraulic variable motors 12 is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump 5 with the second actuator port on two the 6th hydraulic variable motors 14, the output shaft of two the 5th hydraulic variable motors 12 is connected with two power shafts of the 3rd machinery interflow reduction box 30 respectively, the output shaft of two the 6th hydraulic variable motors 14 is connected with two power shafts of the 4th machinery interflow reduction box 32 respectively, the output shaft of the 3rd machinery interflow reduction box 30 is connected with a power shaft on the second tandem-driving bogie 22, the output shaft of the 4th machinery interflow reduction box 32 is connected with another power shaft on the second tandem-driving bogie 22.
Specific works process of the present utility model is as follows:
The output shaft of motor 1 drives respectively the first hydraulic variable displacement pump 3, the second hydraulic variable displacement pump 4 and the 3rd hydraulic variable displacement pump 5 to work by transfer case 2, in the time that the first actuator port on the first hydraulic variable displacement pump 3 is oil-out, in the time that the second actuator port on the first hydraulic variable displacement pump 3 is oiler, the first front driving wheel 23 and the second front driving wheel 24 drive forwards, in the time that the first actuator port on the first hydraulic variable displacement pump 3 is oiler, in the time that the second actuator port on the first hydraulic variable displacement pump 3 is oil-out, the first front driving wheel 23 and the second front driving wheel 24 are to rear drive, in like manner, can control by changing the function of the first actuator port and the second actuator port on the second hydraulic variable displacement pump 4 driving direction of the first rear drive sprocket 25 and the second rear drive sprocket 27, control the driving direction of the 3rd rear drive sprocket 26 and the 4th rear drive sprocket 28 by changing the function of the first actuator port and the second actuator port on the 3rd hydraulic variable displacement pump 5.
While driving the first front driving wheel 23 and the second front driving wheel 24, the first hydraulic variable displacement pump 3 drives the first hydraulic variable motor 9 and the second hydraulic variable motor 10 to work by hydraulic oil, the output shaft of the first hydraulic variable motor 9 rotates with the first front driving wheel 23 of motor-driven grader by first round side reducer 15, and the output shaft of the second hydraulic variable motor 10 rotates with the second front driving wheel 24 of motor-driven grader by the second hub reduction gear 16.
When the power of land leveller is less than or equal to 800 horse-power-hours, the second hydraulic variable displacement pump 4 drives the 3rd hydraulic variable motor 11 and the 4th hydraulic variable motor 13 to work by hydraulic oil, the 3rd hydraulic variable motor 11 drives a power shaft on the first tandem-driving bogie 21 to rotate by third round side reducer 17, the 4th hydraulic variable motor 13 drives another power shaft on the first tandem-driving bogie 21 to rotate by fourth round side reducer 19, two output shafts on the first tandem-driving bogie 21 drive the first rear drive sprocket 25 and second rear drive sprocket 27 of land leveller to rotate, the 3rd hydraulic variable displacement pump 5 drives the 5th hydraulic variable motor 12 and the 6th hydraulic variable motor 14 to work by hydraulic oil, the 5th hydraulic variable motor 12 drives a power shaft on the second tandem-driving bogie 22 to rotate by the 5th hub reduction gear 18, the 6th hydraulic variable motor 14 drives another power shaft on the second tandem-driving bogie 22 to rotate by the 6th hub reduction gear 20, two output shafts on the second tandem-driving bogie 22 drive the 3rd rear drive sprocket 26 and the 4th rear drive sprocket 28 of land leveller to rotate.
When the power of land leveller is greater than 800 horse-power-hours, the second hydraulic variable displacement pump 4 drives two the 3rd hydraulic variable motors 11 and two the 4th hydraulic variable motors 13 to work by hydraulic oil, the output shaft of two the 3rd hydraulic variable motors 11 drives a power shaft of the first tandem-driving bogie 21 to rotate after collaborating by the first machinery interflow reduction box 29 machineries, the output shaft of two the 4th hydraulic variable motors 13 drives another power shaft of the first tandem-driving bogie 21 to rotate after collaborating by the second machinery interflow reduction box 31 machineries, two output shafts on the first tandem-driving bogie 21 drive respectively the first rear drive sprocket 25 of land leveller and the second rear drive sprocket 27 to rotate, the 3rd hydraulic variable displacement pump 5 drives two the 5th hydraulic variable motors 12 and two the 6th hydraulic variable motors 14 to work by hydraulic oil, the output shaft of two the 5th hydraulic variable motors 12 drives a power shaft of the second tandem-driving bogie 22 to rotate after collaborating by the 3rd machinery interflow reduction box 30 machineries, the output shaft of two the 5th hydraulic variable motors 12 drives another power shaft of the second tandem-driving bogie 22 to rotate after collaborating by the 4th machinery interflow reduction box 32 machineries, two output shafts of the second tandem-driving bogie 22 drive the 3rd rear drive sprocket 26 and the 4th rear drive sprocket 28 of land leveller to rotate, simultaneously can be according to operating mode situation by manually selecting to open the 3rd hydraulic variable motor 11, the 4th hydraulic variable motor 13, the quantity of the 5th hydraulic variable motor 12 and the 6th hydraulic variable motor 14, thereby improve the adaptive ability to load, energy conservation, the utilization rate of motor 1 is high, thereby can realize single front wheel drives, rear wheel drive and front-wheel and trailing wheel drive simultaneously separately, easy to operate, flexibly.
Claims (6)
1. a high-power land leveller is without bridge fluid pressure drive device, it is characterized in that, comprise motor (1), transfer case (2), the first hydraulic variable displacement pump (3), the second hydraulic variable displacement pump (4), the 3rd hydraulic variable displacement pump (5), for the first transmission system that drives the first front driving wheel (23) on land leveller and the second front driving wheel (24) to rotate, for driving first rear drive sprocket (25) of land leveller and the second transmission system that the second rear drive sprocket (27) rotates, and for driving the 3rd rear drive sprocket (26) of land leveller and the 3rd transmission system that the 4th rear drive sprocket (28) rotates,
The output shaft of described motor (1) is connected with the power shaft of transfer case (2), transfer case (2) is provided with three output shafts, and three output shafts on transfer case (2) are connected with driving shaft, the driving shaft of the second hydraulic variable displacement pump (4) and the driving shaft of the 3rd hydraulic variable displacement pump (5) of the first hydraulic variable displacement pump (3) respectively;
The first actuator port on described the first hydraulic variable displacement pump (3) and the second actuator port are connected with the first actuator port and the second actuator port in the first transmission system respectively, and two output shafts in the first transmission system are connected with the first front driving wheel (23) and the second front driving wheel (24) respectively;
The first actuator port on described the second hydraulic variable displacement pump (4) and the second actuator port are connected with the first actuator port and the second actuator port in the second transmission system respectively, and two output shafts in the second transmission system are connected with the first rear drive sprocket (25) and the second rear drive sprocket (27) respectively;
The first actuator port on described the 3rd hydraulic variable displacement pump (5) and the second actuator port are connected with the first actuator port and the second actuator port in the 3rd transmission system respectively, and two output shafts in the 3rd transmission system are connected with the 3rd rear drive sprocket (26) and the 4th rear drive sprocket (28) respectively.
2. high-power land leveller according to claim 1 is without bridge fluid pressure drive device, it is characterized in that, described the first transmission system comprises the first synchronized splitter valve (6), the first hydraulic variable motor (9), first round side reducer (15), the second hub reduction gear (16), the first actuator port on the first hydraulic variable displacement pump (3) is connected with the first actuator port on the first actuator port and the second hydraulic variable motor (10) on the first hydraulic variable motor (9) respectively by the first synchronized splitter valve (6), the second actuator port on the second actuator port on the first hydraulic variable motor (9) and the second hydraulic variable motor (10) is connected by the second actuator port on pipeline Guan Houyu the first hydraulic variable displacement pump (3), the output shaft of the first hydraulic variable motor (9) is connected with the first front driving wheel (23) by first round side reducer (15), the output shaft of the second hydraulic variable motor (10) is connected with the second front driving wheel (24) by the second hub reduction gear (16).
3. high-power land leveller according to claim 2 is without bridge fluid pressure drive device, it is characterized in that, described the second transmission system comprises the second synchronized splitter valve (7), the first tandem-driving bogie (21), the first drive system and the second drive system, the first actuator port on the second hydraulic variable displacement pump (4) is connected with the first actuator port of the first drive system and the first actuator port of the second drive system respectively by the second synchronized splitter valve (7), the second actuator port in the second actuator port and the second drive system in the first drive system is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump (4), two power shafts on the first tandem-driving bogie (21) are connected with the output shaft of the first drive system and the output shaft of the second drive system respectively, two output shafts on the first tandem-driving bogie (21) are connected with the first rear drive sprocket (25) and the second rear drive sprocket (27) on land leveller respectively.
4. high-power land leveller according to claim 3 is without bridge fluid pressure drive device, it is characterized in that, described the 3rd transmission system comprises the 3rd synchronized splitter valve (8), the second tandem-driving bogie (22), the 3rd drive system and the 4th drive system, the first actuator port on the 3rd hydraulic variable displacement pump (5) is connected with the first actuator port of the 3rd drive system and the first actuator port of the 4th drive system respectively by the 3rd synchronized splitter valve (8), the second actuator port of the 3rd drive system is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump (5) with the second actuator port of the 4th drive system, two power shafts on the second tandem-driving bogie (22) are connected with the output shaft of the 3rd drive system and the output shaft of the 4th drive system respectively, two output shafts on the second tandem-driving bogie (22) are connected with the 3rd rear drive sprocket (26) and the 4th rear drive sprocket (28) on land leveller respectively.
5. high-power land leveller according to claim 4 is without bridge fluid pressure drive device, it is characterized in that, when the power of land leveller is less than or equal to 800 horse-power-hours, described the first drive system comprises third round side reducer (17) and the 3rd hydraulic variable motor (11), the second drive system comprises fourth round side reducer (19) and the 4th hydraulic variable motor (13), the first actuator port on the second hydraulic variable displacement pump (4) is connected with the first actuator port on the first actuator port and the 4th hydraulic variable motor (13) on the 3rd hydraulic variable motor (11) respectively by the second synchronized splitter valve (7), the second actuator port on the 3rd hydraulic variable motor (11) is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump (4) with the second actuator port on the 4th hydraulic variable motor (13), the output shaft of the 3rd hydraulic variable motor (11) is connected with a power shaft of the first tandem-driving bogie (21) by third round side reducer (17), the output shaft of the 4th hydraulic variable motor (13) is connected with another power shaft of the first tandem-driving bogie (21) by fourth round side reducer (19),
Described the 3rd drive system comprises the 5th hub reduction gear (18) and the 5th hydraulic variable motor (12), the 4th drive system comprises the 6th hub reduction gear (20) and the 6th hydraulic variable motor (14), the first actuator port on the 3rd hydraulic variable displacement pump (5) is connected with the first actuator port on the first actuator port and the 6th hydraulic variable motor (14) on the 5th hydraulic variable motor (12) respectively by the 3rd synchronized splitter valve (8), the second actuator port on the 5th hydraulic variable motor (12) is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump (5) with the second actuator port on the 6th hydraulic variable motor (14), the output shaft of the 5th hydraulic variable motor (12) is connected with a power shaft on the second tandem-driving bogie (22) by the 5th hub reduction gear (18), the output shaft of the 6th hydraulic variable motor (14) is connected with another power shaft on the second tandem-driving bogie (22) by the 6th hub reduction gear (20).
6. high-power land leveller according to claim 5 is without bridge fluid pressure drive device, it is characterized in that, when the power of land leveller is greater than 800 horse-power-hours, described the first drive system comprises the first machinery interflow reduction box (29) and two the 3rd hydraulic variable motors (11), the second drive system comprises the second machinery interflow reduction box (31) and two the 4th hydraulic variable motors (13), the first actuator port on the second hydraulic variable displacement pump (4) is connected with the first actuator port on the first actuator port and two the 4th hydraulic variable motors (13) on two the 3rd hydraulic variable motors (11) respectively by the second synchronized splitter valve (7), the second actuator port on two the 3rd hydraulic variable motors (11) is connected by the second actuator port on pipeline Guan Houyu the second hydraulic variable displacement pump (4) with the second actuator port on two the 4th hydraulic variable motors (13), the output shaft of two the 3rd hydraulic variable motors (11) is connected with two power shafts of the first machinery interflow reduction box (29) respectively, the output shaft of two the 4th hydraulic variable motors (13) is connected with two power shafts of the second machinery interflow reduction box (31) respectively, the output shaft of the first machinery interflow reduction box (29) is connected with a power shaft of the first tandem-driving bogie (21), the output shaft of the second machinery interflow reduction box (31) is connected with another power shaft of the first tandem-driving bogie (21),
Described the 3rd drive system comprises the 3rd machinery interflow reduction box (30) and two the 5th hydraulic variable motors (12), the 4th drive system comprises the 4th machinery interflow reduction box (32) and two the 6th hydraulic variable motors (14), the first actuator port on the 3rd hydraulic variable displacement pump (5) is connected with the first actuator port on the first actuator port and two the 6th hydraulic variable motors (14) on two the 5th hydraulic variable motors (12) respectively by the 3rd synchronized splitter valve (8), the second actuator port on two the 5th hydraulic variable motors (12) is connected by the second actuator port on pipeline Guan Houyu the 3rd hydraulic variable displacement pump (5) with the second actuator port on two the 6th hydraulic variable motors (14), the output shaft of two the 5th hydraulic variable motors (12) is connected with two power shafts of the 3rd machinery interflow reduction box (30) respectively, the output shaft of two the 6th hydraulic variable motors (14) is connected with two power shafts of the 4th machinery interflow reduction box (32) respectively, the output shaft of the 3rd machinery interflow reduction box (30) is connected with a power shaft on the second tandem-driving bogie (22), the output shaft of the 4th machinery interflow reduction box (32) is connected with another power shaft on the second tandem-driving bogie (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111865.0U CN203755364U (en) | 2014-03-12 | 2014-03-12 | Bridge-free hydraulic driving device of high-power land leveller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420111865.0U CN203755364U (en) | 2014-03-12 | 2014-03-12 | Bridge-free hydraulic driving device of high-power land leveller |
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| CN203755364U true CN203755364U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420111865.0U Expired - Fee Related CN203755364U (en) | 2014-03-12 | 2014-03-12 | Bridge-free hydraulic driving device of high-power land leveller |
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| CN (1) | CN203755364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866807A (en) * | 2014-03-12 | 2014-06-18 | 长安大学 | Bridge-free hydraulic driving device of large-power land leveler |
| CN110001390A (en) * | 2019-04-24 | 2019-07-12 | 山东临工工程机械有限公司 | A kind of transmission system and control method |
-
2014
- 2014-03-12 CN CN201420111865.0U patent/CN203755364U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866807A (en) * | 2014-03-12 | 2014-06-18 | 长安大学 | Bridge-free hydraulic driving device of large-power land leveler |
| CN103866807B (en) * | 2014-03-12 | 2016-08-24 | 长安大学 | A kind of high-power land leveller is without bridge fluid pressure drive device |
| CN110001390A (en) * | 2019-04-24 | 2019-07-12 | 山东临工工程机械有限公司 | A kind of transmission system and control method |
| CN110001390B (en) * | 2019-04-24 | 2024-02-02 | 山东临工工程机械有限公司 | Transmission system and control method |
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