Valve plate for axial plunger motor

A technology of axial piston motor and flow plate, which is applied in the field of hydraulic pressure, can solve problems such as wear of flow plate, achieve the effects of reducing friction, prolonging service life, and various forms

Pending Publication Date: 2020-12-25
龙工(上海)精工液压有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to provide a flow plate for an axial plunger mot

Method used

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  • Valve plate for axial plunger motor
  • Valve plate for axial plunger motor
  • Valve plate for axial plunger motor

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Example Embodiment

[0023] In order to make the present invention more obvious and comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

[0024] like Figure 1 to Figure 5 As shown in the figure, a valve plate for an axial piston motor is characterized in that it includes a noise reduction and pressure relief groove, a plurality of noise reduction pressure relief grooves are arranged in the pressure transition area on the valve plate, and the noise reduction pressure relief groove is formed by A U-shaped groove 3-1 is composed of a plurality of V-shaped grooves. There are two symmetrical three-stage noise reduction and pressure relief grooves on one side of the distribution plate, and two symmetrical two-stage noise reduction and pressure relief grooves on the other side of the distribution plate. The noise pressure relief groove is provided with throttle holes 3-7 in the secondary noise reduction pressure relief groove, and an oil stora...

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Abstract

The invention discloses a valve plate for the axial plunger motor. The valve plate is characterized by comprising noise reduction and pressure relief grooves, a plurality of noise reduction and pressure relief grooves are formed in a pressure transition area of the valve plate, each noise reduction and pressure relief groove is composed of a U-shaped groove and a plurality of V-shaped grooves, twosymmetrical three-level noise reduction and pressure relief grooves are formed in one side of the valve plate, two symmetrical secondary noise reduction and pressure relief grooves are formed in theother side of the valve plate, throttling holes are formed in the secondary noise reduction and pressure relief grooves, and an oil storage groove for improving dynamic pressure balance of the valve plate is further formed in the valve plate. According to the valve plate of the axial plunger motor, the defects in the prior art are overcome, the problem that the noise of the plunger motor is increased after the flow of an engineering machinery system is increased is solved, and in addition, the oil storage groove in the valve plate plays a role in lubrication and friction reduction.

Description

technical field [0001] The invention relates to a flow distribution plate for an axial plunger motor, which is suitable for hydraulic motors for engineering machinery such as excavators and winches, and belongs to the field of hydraulic technology. Background technique [0002] Axial piston motor is an important power element and executive element in the hydraulic system of construction machinery. It converts hydraulic energy into mechanical energy and realizes energy conversion, such as slewing motors and travel motors of excavators. [0003] With the continuous development of construction machinery in the direction of strong power, fast speed, energy saving and consumption reduction, more and more OEMs have carried out new technical upgrades for hydraulic pumps, and the system flow has increased significantly. As an actuator, the maximum speed of the plunger motor will inevitably increase accordingly, and noise reduction has become an important research topic and research ...

Claims

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Application Information

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IPC IPC(8): F03C1/38
CPCF03C1/0655
Inventor 郑可文马宗宇王康恋余红波
Owner 龙工(上海)精工液压有限公司
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