Hydraulic drive axle for vehicle
A hydraulic and pneumatic vehicle technology, applied in the field of pneumatic vehicle-driven cars, can solve the problems of low design practicability, increase power consumption, reduce transmission efficiency, etc., and achieve the effects of small inertia, simplified structure and high working reliability
Active Publication Date: 2015-12-02
安徽乐杭智能科技有限公司
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Problems solved by technology
[0002] The driving car of the gas car mainly adopts the differential gear transmission mechanism, which has a complex structure and a lot of noise. When the gear transmission is carried out, due to the relative sliding between the meshing tooth surfaces, the gears will friction and wear, which will increase the power consumption. , reduce the transmission efficiency, especially high-speed transmission, when the pressure and speed are high, the rigidity and fatigue strength of the gear are extremely high, while the hydraulic drive has a simple structure, long working life, high reliability, and low friction and wear. The characteristics of high transmission efficiency have attracted people's attention, but most of the current designs of hydraulic-pneumatic car-driven cars are very low in practicability.
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0021] refer to figure 1 , Pneumatic vehicle hydraulic drive car, including half shaft 1, swing disc axial piston motor 2, casing 3 and wheels 4. The half shaft 1 is installed in the shell 3 with bearings, the oscillating disc axial piston motor 2 is installed in the shell 3 with bolts, the oscillating disc axial piston motor 2 is connected with the half shaft 1, and the wheel 4 is installed on the half shaft 1 . In addition, the half shaft 1, the oscillating disk axial piston motor 2 and the wheels 4 are all a pair, and are symmetrically distributed.
[0022] refer to figure 2 and image 3 , Swing disc axial piston motor 2, including a main shaft 21, a swing mechanism 22, a plunger 23, an eccentric mechanism 24, an oil distribution mechanism 25, a housing 26 and a cylinder 27. The main shaft 21 is fixed in the half shaft 1, and the main shaft 21 is ins...
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The invention discloses a hydraulic drive axle for a vehicle, which comprises semi-shafts, swing disc type axial plunger motors, shells and wheels, wherein the semi-shafts and the swing disc type axial plunger motors are installed in the shells; the swing disc type axial plunger motors are connected with the semi-shafts; and the wheels are installed on the semi-shafts. According to the invention, the swing disc type axial plunger motors are used for providing power for the wheels, and the current most common gear drive is replaced; compared with the gear drive, the hydraulic drive axle has the advantages that the structure is greatly simplified, stepless speed change in a large scale can be easily realized, the transfer movement is more smooth, the inertia of hydraulic motors is small, and quick and shockless speed change and direction change can be realized; the swing disc type axial plunger motors are used for replacing common hydraulic motors, and few parts are adopted; and under the conditions of high speed and high pressure, the operational reliability is higher and the service life is longer.
Description
technical field [0001] The invention relates to the field of a car driven by a pneumatic vehicle, in particular to a car driven by a pneumatic vehicle hydraulic pressure. Background technique [0002] The driving car of the gas car mainly adopts the differential gear transmission mechanism, which has a complex structure and a lot of noise. When the gear transmission is carried out, due to the relative sliding between the meshing tooth surfaces, the gears will friction and wear, which will increase the power consumption. , reduce the transmission efficiency, especially high-speed transmission, when the pressure and speed are high, the rigidity and fatigue strength of the gear are extremely high, while the hydraulic drive has a simple structure, long working life, high reliability, and low friction and wear. High transmission efficiency and other characteristics have attracted people's attention, but the design practicability of most hydraulic-pneumatic vehicle-driven sedan ch...
Claims
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IPC IPC(8): B60K7/00B60B35/14
Inventor 吴家集黄共才
Owner 安徽乐杭智能科技有限公司