CN103398007A - Noise-reducing structure and noise-reducing method of hydraulic axial plunger pump - Google Patents
Noise-reducing structure and noise-reducing method of hydraulic axial plunger pump Download PDFInfo
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- CN103398007A CN103398007A CN2013102749195A CN201310274919A CN103398007A CN 103398007 A CN103398007 A CN 103398007A CN 2013102749195 A CN2013102749195 A CN 2013102749195A CN 201310274919 A CN201310274919 A CN 201310274919A CN 103398007 A CN103398007 A CN 103398007A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000003139 buffering effect Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a noise-reducing structure and a noise-reducing method of a hydraulic axial plunger pump. The noise-reducing structure comprises a hydraulic pump base and an oil distribution disc which are connected and matched with each other, wherein a high-pressure buffering cavity is arranged at one end of the hydraulic pump base, and the high-pressure buffer cavity is communicated with a high-pressure area of the oil distribution disc. Compared with the prior art, the noise-reducing structure and the noise-reducing method of the hydraulic axial plunger pump have the advantages that the hydraulic pump base is additionally provided with the high-pressure buffer cavity, the high-pressure buffer cavity is communicated with the high-pressure area of the oil distribution disc, so that high-pressure oil led out of the high-pressure area of the oil distribution disc is guided into the high-pressure buffer cavity, the functions of buffering and noise reduction are achieved, and the noise-reducing structure is simple and compact in overall structure, easy to manufacture, low in cost, practical and safe, protects the environment and saves energy.
Description
Technical field
The present invention relates to a kind of hydraulic axial plunger pump structure, be applicable to A4VSO series, refer in particular to a kind of denoising structure and noise-reduction method thereof of improved hydraulic axial plunger pump.
Background technique
At present, no matter be to live or be at work, noise pollution more and more is taken seriously, and the various device product that uses at industrial field not only requires to have the high-performance high efficiency, but also requires to have the low noise effect.And in industrial field, the application of hydraulic axial plunger pump is very extensive, but, due to the restriction of hydraulic axial plunger pump self structure at present, not relevant denoising structure and too effectively noise-reduction method, therefore, how effectively reducing the use noise of hydraulic axial plunger pump, is that at present domestic and international manufacturing enterprise is all paying close attention to and urgent problem.
Summary of the invention
The object of the invention is to overcome shortcoming of the prior art with not enough, a kind of denoising structure of hydraulic axial plunger pump is provided, this denoising structure can effectively reduce the use noise of oil hydraulic pump, and has improved the overall performance of oil hydraulic pump, symbol environmental protection and energy saving requirement.
Another object of the present invention is to provide the noise-reduction method of above-mentioned hydraulic axial plunger pump.
In order to realize first purpose, the present invention realizes according to following technological scheme:
A kind of denoising structure of hydraulic axial plunger pump, include and connect oil hydraulic pump base and the oil distribution casing that coordinates, a distolateral high-pressure buffer cavity that is provided with of described oil hydraulic pump base, and this high-pressure buffer cavity is communicated with the zone of high pressure of oil distribution casing.
Further, described high-pressure buffer cavity integral body is the airtight column structure of corner arc transition, its inner hollow, and an end is provided with the joint for the fluid circulation.
Further, one of the described oil hydraulic pump base distolateral boss that is connected that is fastenedly connected cooperation with the joint of above-mentioned high-pressure buffer cavity that is provided with.
Further, described oil hydraulic pump base is provided with the Oil Guide runner that an end is communicated with the high-pressure buffer cavity.
Further, the zone of high pressure of described oil distribution casing is provided with oil guiding hole in the anechoic trap place, and oil guiding hole is communicated with the other end of the Oil Guide runner of above-mentioned oil hydraulic pump base.
In order to realize second purpose, the present invention realizes according to following technological scheme:
The noise-reduction method of above-mentioned hydraulic axial plunger pump, a distolateral high-pressure buffer cavity that is communicated with the zone of high pressure of oil distribution casing of setting up at the oil hydraulic pump base, during work, the high pressure oil that the oil distribution casing zone of high pressure is drawn imports in above-mentioned high-pressure buffer cavity, and then plays the effect of buffering noise reduction.
Further, described oil hydraulic pump base is provided with the Oil Guide runner that is communicated with the high-pressure buffer cavity, the zone of high pressure of described oil distribution casing is provided with the oil guiding hole that the Oil Guide runner is communicated with in the anechoic trap place, thereby the zone of high pressure of oil distribution casing keeps being communicated with the high-pressure buffer cavity by oil guiding hole and Oil Guide runner.
Further, the diameter of the Oil Guide runner of the volume of described high-pressure buffer cavity and oil hydraulic pump base is set according to the oil hydraulic pump actual displacement.
Compared with prior art, its beneficial effect is in the present invention:
By at the oil hydraulic pump base, setting up the high-pressure buffer cavity, the high-pressure buffer cavity is communicated with the zone of high pressure of oil distribution casing, and then the high pressure oil that draw the oil distribution casing zone of high pressure is imported in above-mentioned high-pressure buffer cavity, play the effect of buffering noise reduction, overall structure is simply compact, and easy to manufacture, cost is low, practical safety, environmental protection and energy saving.
, in order to understand more clearly the present invention, below with reference to description of drawings, set forth the specific embodiment of the present invention.
Description of drawings
Fig. 1 is package assembly schematic diagram of the present invention.
Fig. 2 is the structural representation of oil hydraulic pump base of the present invention.
Fig. 3 is the structural representation of high-pressure buffer cavity of the present invention.
Fig. 4 is the structural representation of oil distribution casing of the present invention.
Fig. 5 is the sectional view of B in Fig. 4-B direction.
Embodiment
As shown in Fig. 1 to 5, the denoising structure of hydraulic axial plunger pump of the present invention, include and connect oil hydraulic pump base 1 and the oil distribution casing 2 that coordinates.
The one distolateral high-pressure buffer cavity 3 that is provided with of above-mentioned oil hydraulic pump base 1, this high-pressure buffer cavity 3 is communicated with the zone of high pressure of oil distribution casing 2, and its integral body is the airtight column structure of corner arc transition, inner hollow, an end is provided with the joint 31 for the fluid circulation.
One distolateral being provided with the joint of above-mentioned high-pressure buffer cavity 3 is fastenedly connected cooperation of above-mentioned oil hydraulic pump base 1 is connected boss 11, and the Oil Guide runner 12 that is communicated with high-pressure buffer cavity 3 of an end.
The zone of high pressure of above-mentioned oil distribution casing 2 is provided with oil guiding hole 21 in the anechoic trap place, and oil guiding hole 21 is communicated with the other end of the Oil Guide runner 12 of above-mentioned oil hydraulic pump base 1.
Work of the present invention is as described below: oil hydraulic pump base 1 is provided with high-pressure buffer cavity 3, reaches the Oil Guide runner 12 that is communicated with high-pressure buffer cavity 3, the zone of high pressure of oil distribution casing 2 is provided with the oil guiding hole 21 that Oil Guide runner 12 is communicated with in the anechoic trap place, thereby the zone of high pressure of oil distribution casing 2 keeps being communicated with high-pressure buffer cavity 3 by oil guiding hole 21 and Oil Guide runner 12, during work, the high pressure oil that oil distribution casing 2 zone of high pressure are drawn imports in above-mentioned high-pressure buffer cavity 3, and then plays the effect of buffering noise reduction.
The present invention is not limited to above-mentioned mode of execution, if various changes of the present invention or modification are not broken away from the spirit and scope of the present invention, if within these changes and modification belonged to claim of the present invention and equivalent technologies scope, the present invention also was intended to comprise these changes and modification.
Claims (8)
1. the denoising structure of a hydraulic axial plunger pump, include and connect oil hydraulic pump base and the oil distribution casing that coordinates, and it is characterized in that: a distolateral high-pressure buffer cavity that is provided with of described oil hydraulic pump base, this high-pressure buffer cavity is communicated with the zone of high pressure of oil distribution casing.
2. the denoising structure of hydraulic axial plunger pump according to claim 1, it is characterized in that: described high-pressure buffer cavity is whole be that the airtight column structure of corner arc transition, its inner hollow, an end are provided with the joint that circulates for fluid.
3. the denoising structure of hydraulic axial plunger pump according to claim 2, is characterized in that: a distolateral boss that is connected that is fastenedly connected cooperation with the joint of above-mentioned high-pressure buffer cavity that is provided with of described oil hydraulic pump base.
4. the denoising structure of according to claim 2 or 3 described hydraulic axial plunger pumps, it is characterized in that: described oil hydraulic pump base is provided with the Oil Guide runner that an end is communicated with the high-pressure buffer cavity.
5. the denoising structure of hydraulic axial plunger pump according to claim 4, it is characterized in that: the zone of high pressure of described oil distribution casing is provided with oil guiding hole in the anechoic trap place, and oil guiding hole is communicated with the other end of the Oil Guide runner of above-mentioned oil hydraulic pump base.
6. the noise-reduction method of hydraulic axial plunger pump as claimed in claim 1, it is characterized in that: at a distolateral high-pressure buffer cavity that is communicated with the zone of high pressure of oil distribution casing of setting up of oil hydraulic pump base, during work, the high pressure oil that the oil distribution casing zone of high pressure is drawn imports in above-mentioned high-pressure buffer cavity, and then plays the effect of buffering noise reduction.
7. the noise-reduction method of hydraulic axial plunger pump according to claim 6, it is characterized in that: described oil hydraulic pump base is provided with the Oil Guide runner that is communicated with the high-pressure buffer cavity, the zone of high pressure of described oil distribution casing is provided with the oil guiding hole that the Oil Guide runner is communicated with in the anechoic trap place, thereby the zone of high pressure of oil distribution casing keeps being communicated with the high-pressure buffer cavity by oil guiding hole and Oil Guide runner.
8. the noise-reduction method of hydraulic axial plunger pump according to claim 7, it is characterized in that: the diameter of the Oil Guide runner of the volume of described high-pressure buffer cavity and oil hydraulic pump base is set according to the oil hydraulic pump actual displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274919.5A CN103398007B (en) | 2013-07-02 | 2013-07-02 | The denoising structure of hydraulic axial plunger pump and noise-reduction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274919.5A CN103398007B (en) | 2013-07-02 | 2013-07-02 | The denoising structure of hydraulic axial plunger pump and noise-reduction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398007A true CN103398007A (en) | 2013-11-20 |
| CN103398007B CN103398007B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310274919.5A Active CN103398007B (en) | 2013-07-02 | 2013-07-02 | The denoising structure of hydraulic axial plunger pump and noise-reduction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268252A (en) * | 2017-07-18 | 2019-01-25 | 佛山市科达液压机械有限公司 | The stabilization fixed structure of hydraulic pump oil distribution casing |
| CN111207051A (en) * | 2020-01-15 | 2020-05-29 | 徐州工业职业技术学院 | Valve plate with adjustable cavity and plunger hydraulic pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201134U (en) * | 1985-04-30 | 1986-04-09 | 西安交通大学 | Air compressor exhaust unit with noise silencer |
| CN2542863Y (en) * | 2002-01-15 | 2003-04-02 | 林孔 | Automatic blower pump with pressure-setting device |
| CN201588755U (en) * | 2009-12-10 | 2010-09-22 | 贵州赤天化纸业股份有限公司 | Arrangement structure of reciprocating compressor |
| CN201635992U (en) * | 2010-02-10 | 2010-11-17 | 重庆江陵仪器厂 | Oil distribution tray of axial variable plunger pump |
| US20100329899A1 (en) * | 2009-06-24 | 2010-12-30 | Southwest Research Institute | Multi-frequency pulsation absorber at cylinder valve cap |
| JP2013060850A (en) * | 2011-09-13 | 2013-04-04 | Seiko Epson Corp | Liquid feed pump |
-
2013
- 2013-07-02 CN CN201310274919.5A patent/CN103398007B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201134U (en) * | 1985-04-30 | 1986-04-09 | 西安交通大学 | Air compressor exhaust unit with noise silencer |
| CN2542863Y (en) * | 2002-01-15 | 2003-04-02 | 林孔 | Automatic blower pump with pressure-setting device |
| US20100329899A1 (en) * | 2009-06-24 | 2010-12-30 | Southwest Research Institute | Multi-frequency pulsation absorber at cylinder valve cap |
| CN201588755U (en) * | 2009-12-10 | 2010-09-22 | 贵州赤天化纸业股份有限公司 | Arrangement structure of reciprocating compressor |
| CN201635992U (en) * | 2010-02-10 | 2010-11-17 | 重庆江陵仪器厂 | Oil distribution tray of axial variable plunger pump |
| JP2013060850A (en) * | 2011-09-13 | 2013-04-04 | Seiko Epson Corp | Liquid feed pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268252A (en) * | 2017-07-18 | 2019-01-25 | 佛山市科达液压机械有限公司 | The stabilization fixed structure of hydraulic pump oil distribution casing |
| CN111207051A (en) * | 2020-01-15 | 2020-05-29 | 徐州工业职业技术学院 | Valve plate with adjustable cavity and plunger hydraulic pump |
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| Publication number | Publication date |
|---|---|
| CN103398007B (en) | 2016-09-14 |
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Address after: No.12, 10 road, Guanglong Industrial Zone, Chencun Town, Shunde District, Foshan City, Guangdong Province, 528313 Patentee after: Guangdong Keda Hydraulic Technology Co.,Ltd. Address before: 528313 Dadu Industrial Zone, Chencun Town, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN KEDA HYDRAULIC MACHINERY Co.,Ltd. |
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