CN204226341U - A kind of piston motor thrust plate - Google Patents
A kind of piston motor thrust plate Download PDFInfo
- Publication number
- CN204226341U CN204226341U CN201420602333.7U CN201420602333U CN204226341U CN 204226341 U CN204226341 U CN 204226341U CN 201420602333 U CN201420602333 U CN 201420602333U CN 204226341 U CN204226341 U CN 204226341U
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- disk body
- flow disk
- offers
- piston motor
- vibration damping
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Abstract
The utility model relates to a kind of piston motor thrust plate, comprise flow disk body, flow disk body offers double inlet port and double-row hydraulic fluid port, two inlet ports are communicated with access filler opening, two oil drain outs are communicated with access oil outlet, wherein, filler opening and oil outlet are all opened on the housing of piston motor, offer axis hole in the neutral position of flow disk body; Circumferencial direction along flow disk body offers circular groove, and circular groove is positioned at the outside of inlet port; Flow disk body offers four vibration damping holes, and wherein, every two vibration damping holes are symmetrically distributed in the both sides of thrust plate body axis; One end of an inlet port offers " U " shape groove wherein, and one end of an oil drain out offers vee gutter wherein.By offering four vibration damping holes, circular groove and " U " shape groove, vee gutter on flow disk body, can damping function be played, reducing piston motor vibration & noise in use, suppress the generation of cavitation phenomenon.
Description
Technical field
The utility model relates to hydraulic machinery field, is specifically related to a kind of piston motor component, refers to a kind of piston motor thrust plate especially.
Background technique
Oil hydraulic motor as a kind of be the executive component of mechanical energy by hydraulic energy transfer, carry in hydraulic system export machinery mate the function of mechanical energy.Axial piston motor because of its compact structure, working pressure is high, volumetric efficiency is high, is widely used in the fields such as Aero-Space, engineering machinery, plastics machinery, metallurgy, lathe and farm machinery.Axial piston motor is the class oil hydraulic motor that technology content is very high, and its complex structure is various in style, and manufacturing process is complicated, and processing request is high.In the metastable situations of development such as numerous hydraulic element structure, technique now, axial piston motor is development, perfect in structure, material, performance, life-span etc. still.All the time there is pulsation in output torque and the rotating speed of axial piston motor, moment of torsion and rotating speed exist that to pulse be the basic reason causing pressure surge, vibration & noise.Based on the characteristic structure of existing axial piston motor, be difficult to eliminate its pulsation completely.
Current thrust plate great majority are thrust plates of single plunger, and thrust plate is one of vital part of axial piston motor, and whether its design is reasonable will affect the noise and vibration of whole pump.Cylinder body plunger hole can cause cavitation erosion when switching to low pressure area from the zone of high pressure thrust plate, cavitation erosion will cause thrust plate low pressure area to produce a large amount of small bubble, bubble can siphon away when low pressure area oil suction and bring zone of high pressure into by cylinder body plunger hole simultaneously, at this moment bubble can be buried in oblivion instantaneously in cylinder body plunger hole, cause great vibration & noise, the oil outlet of motor can produce obvious flow pulsation simultaneously.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of piston motor thrust plate.
The utility model is achieved through the following technical solutions:
A kind of piston motor thrust plate, comprise flow disk body, flow disk body offers double inlet port and double-row hydraulic fluid port, described two inlet ports are communicated with access filler opening, two oil drain outs are communicated with access oil outlet, wherein, filler opening and oil outlet are all opened on the housing of piston motor, offer axis hole in the neutral position of flow disk body; Circumferencial direction along described flow disk body offers circular groove, and circular groove is positioned at the outside of inlet port; Flow disk body offers four vibration damping holes, and wherein, every two vibration damping holes are symmetrically distributed in the both sides of thrust plate body axis; One end of one of them inlet port described offers " U " shape groove, and one end of an oil drain out offers vee gutter wherein.
As optimal technical scheme of the present utility model, described vibration damping hole is stepped bore, and wherein, the diameter D of large footpath section is 3mm, and the diameter d of path section is 1.5mm.
As optimal technical scheme of the present utility model, the damping angle b between described vibration damping hole and thrust plate body axis is 10 degree.
Compared with prior art, the beneficial effects of the utility model are:
1, by offering four vibration damping holes on flow disk body, can make cylinder body in piston motor in apolipsis boost process, simultaneously by vibration damping hole, slowly introducing portion high pressure oil in chamber, to make in chamber oil pressure gradually to oil pocket transition to be connected, vibration damping hole can make the shock resistance of thrust plate be adapted to variable working condition simultaneously, the noise that can eliminate impact of flow distribution completely and cause therefrom in variable working condition situation;
2, by offering " U " shape groove and vee gutter, it is a kind of vibration damping equipment becoming flow-passing surface, can play damping function, reduces piston motor vibration & noise in use, suppresses the generation of cavitation phenomenon;
3, by offering circular groove, the field wire of the liquid stream flow through being changed, spreads out along different directions, improve effectiveness in vibration suppression.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the B-B sectional view in Fig. 1;
Fig. 4 is a kind of using state figure of the present utility model.
In figure: 1-flow disk body; 2-inlet port; 3-oil drain out; 4-axis hole; 5-circular groove; 6-vibration damping hole; 7-" U " shape groove; 8-vee gutter; 9-cylinder body; The outer organ timbering plug of 10-; Organ timbering plug in 11-; 12-spring.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 2 and Fig. 3, described a kind of piston motor thrust plate, comprise flow disk body 1, flow disk body 1 offers double inlet port 2 and double-row hydraulic fluid port 3, two inlet ports 2 are communicated with access filler opening, two oil drain outs 3 are communicated with access oil outlet, and wherein, filler opening and oil outlet are all opened on the housing of piston motor.
Axis hole 4 is offered in the neutral position of flow disk body 1; Circumferencial direction along described flow disk body 1 offers circular groove 5, and circular groove 5 is positioned at the outside of inlet port 2, by arranging circular groove 5, the field wire of the liquid stream flow through being changed, spreads out along different directions, improves effectiveness in vibration suppression.
Flow disk body 1 offers four vibration damping holes 6, and wherein, every two vibration damping holes 6 are symmetrically distributed in the both sides of flow disk body 1 axis, and in the present embodiment, vibration damping hole 6 is stepped bore, and wherein, the diameter D of large footpath section is 3mm, and the diameter d of path section is 1.5mm; Damping angle b between described vibration damping hole 6 and flow disk body 1 axis is 10 degree.
One end of one of them inlet port 2 described offers " U " shape groove 7, one end of an oil drain out 3 offers vee gutter 8 wherein, " U " shape groove 7 and vee gutter 8 are a kind of vibration damping equipments becoming flow-passing surface, can damping function be played, reduce piston motor vibration & noise in use.
Refer to Fig. 4, flow disk body 1 is arranged between housing and cylinder body 9, two organ timbering consents are offered in the concentric circle direction of cylinder body 9, outer organ timbering plug 10 and interior organ timbering plug 11 is separately installed with in plunger hole, in plunger hole, be provided with spring 12, the spring force that spring 12 provides makes cylinder body 9 and flow disk body 1 fit tightly simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a piston motor thrust plate, comprise flow disk body (1), flow disk body (1) offers double inlet port (2) and double-row hydraulic fluid port (3), described two inlet ports (2) are communicated with access filler opening, two oil drain outs (3) are communicated with access oil outlet, wherein, filler opening and oil outlet are all opened on the housing of piston motor, axis hole (4) is offered in the neutral position of flow disk body (1), it is characterized in that: the circumferencial direction along described flow disk body (1) offers circular groove (5), circular groove (5) is positioned at the outside of inlet port (2), flow disk body (1) offers four vibration damping holes (6), and wherein, every two vibration damping holes (6) are symmetrically distributed in the both sides of flow disk body (1) axis, one end of described one of them inlet port (2) offers " U " shape groove (7), and one end of an oil drain out (3) offers vee gutter (8) wherein.
2. a kind of piston motor thrust plate according to claim 1, is characterized in that: described vibration damping hole (6) is stepped bore, and wherein, the diameter D of large footpath section is 3mm, and the diameter d of path section is 1.5mm.
3. a kind of piston motor thrust plate according to claim 2, is characterized in that: the damping angle b between described vibration damping hole (6) and flow disk body (1) axis is 10 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602333.7U CN204226341U (en) | 2014-10-02 | 2014-10-02 | A kind of piston motor thrust plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602333.7U CN204226341U (en) | 2014-10-02 | 2014-10-02 | A kind of piston motor thrust plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226341U true CN204226341U (en) | 2015-03-25 |
Family
ID=52924443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420602333.7U Expired - Fee Related CN204226341U (en) | 2014-10-02 | 2014-10-02 | A kind of piston motor thrust plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716488A (en) * | 2018-05-28 | 2018-10-30 | 哈尔滨理工大学 | A kind of novel vane type continuous rotary electrohydraulic servo motor valve plate |
| CN109854441A (en) * | 2019-01-28 | 2019-06-07 | 淄博职业学院 | A kind of valve plate and plunger type fluid machinery of plunger type fluid machinery |
| CN116127652A (en) * | 2023-04-10 | 2023-05-16 | 浙江大学 | Design method and system for low-pulsation-shaft flow distribution window of inner curve hydraulic motor |
-
2014
- 2014-10-02 CN CN201420602333.7U patent/CN204226341U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716488A (en) * | 2018-05-28 | 2018-10-30 | 哈尔滨理工大学 | A kind of novel vane type continuous rotary electrohydraulic servo motor valve plate |
| CN108716488B (en) * | 2018-05-28 | 2020-09-22 | 哈尔滨理工大学 | Novel vane type continuous rotation valve plate for electro-hydraulic servo motor |
| CN109854441A (en) * | 2019-01-28 | 2019-06-07 | 淄博职业学院 | A kind of valve plate and plunger type fluid machinery of plunger type fluid machinery |
| CN116127652A (en) * | 2023-04-10 | 2023-05-16 | 浙江大学 | Design method and system for low-pulsation-shaft flow distribution window of inner curve hydraulic motor |
| CN116127652B (en) * | 2023-04-10 | 2023-06-27 | 浙江大学 | Design method and system for low-pulsation-shaft flow distribution window of inner curve hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150325 Termination date: 20171002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |