A hydraulic pressure transformation method
A hydraulic and stator technology, applied in the field of hydraulic pressure transformation, can solve the problems of difficult control and narrow pressure transformation range, and achieve the effect of simplifying the mechanical structure, increasing the pressure transformation range, and reducing the difficulty of control
Active Publication Date: 2020-06-02
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
[0005] The main purpose of this application is to provide a hydraulic pressure changing method to solve the problems of narrow pressure changing range and difficult control in the prior art.
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Embodiment 1
[0042] Such as figure 1 with figure 2 As shown, the present application relates to a hydraulic variable pressure method, comprising:
[0043] Connect the drive shaft 1 with the rotor 3, set the rotor 3 in the stator 2, and fit the rotor 3 on the distribution shaft 4 through the bearing;
[0044] Three oil ports 41 are provided on the distribution shaft 4, and at least three piston chambers 31 are provided on the rotor 3, so that each piston chamber 31 corresponds to a piston 6, and the piston 6 is located in the corresponding piston chamber 31;
[0045] The radial eccentric arrangement between the rotor 3 and the inner wall of the stator 2, the inner wall of the stator 2 defines the position of the piston 6 in the piston chamber 31, and the two ends of the piston chamber 31 are respectively connected to the inside of the stator 2 and an oil port in the distribution shaft 4 41;
[0046] Drive the drive shaft 1 to rotate, and the drive shaft 1 drives the rotor 3 to rotate in...
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The invention discloses a hydraulic pressure transformation method. The hydraulic pressure transformation method comprises the following steps that a driving shaft is connected with a rotor, the rotoris arranged in a stator, and the rotor sleeves a flow distribution shaft through a bearing; three oil ports are formed in the flow distribution shaft, at least three piston cavities are formed in therotor, each piston cavity corresponds to one piston, and the pistons are located in the corresponding piston cavities, the inner wall of the rotor is arranged with the inner wall of the stator in anradial eccentricity mode, the positions of the pistons in the piston cavities are limited by the inner wall of the stator, and the two ends of the piston cavities communicate with the interior of thestator and one oil port in the flow distribution shaft respectively; the driving shaft is driven to rotate, the driving shaft drives the rotor to rotate in the stator so that the pistons positioned inthe piston cavities of the rotor can do reciprocating motion; a stator driving mechanism is connected with the stator, the stator driving mechanism drives the stator to rotate relative to the rotor,so that the radial eccentric direction between the rotor and the stator is changed. The hydraulic pressure transformation method solves the technical problems that in the prior art, a hydraulic pressure transformation method is narrow in variable pressure range and large in control difficulty.
Description
technical field [0001] The present application relates to the field of mechanical technology, in particular, to a hydraulic pressure transformation method. Background technique [0002] A hydraulic transformer is a hydraulic component that realizes pressure conversion in a hydraulic transmission system. It can efficiently convert the input pressure to another pressure output, which can be stepped down or boosted. Not only can it drive linear loads without throttling loss, but it can also drive rotary loads, and has wide application prospects in hydraulic constant pressure networks. [0003] The hydraulic transformers in the prior art basically adopt the axial plunger structure, which is realized by the combination of two hydraulic components, or works based on the improved design of the axial plunger pump, by rotating the valve plate, or rotating Swash plate to change the pressure ratio between output pressure and input pressure. [0004] The hydraulic transformer in the ...
Claims
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IPC IPC(8): F15B3/00
CPCF15B3/00
Inventor 周俊杰荆崇波苑士华
Owner BEIJING INSTITUTE OF TECHNOLOGYGY