CN105756916A - Valve plate for axial plunger pump noise reduction and assembling technology of valve plate - Google Patents
Valve plate for axial plunger pump noise reduction and assembling technology of valve plate Download PDFInfo
- Publication number
- CN105756916A CN105756916A CN201610253445.XA CN201610253445A CN105756916A CN 105756916 A CN105756916 A CN 105756916A CN 201610253445 A CN201610253445 A CN 201610253445A CN 105756916 A CN105756916 A CN 105756916A
- Authority
- CN
- China
- Prior art keywords
- valve plate
- noise reduction
- window
- plate body
- force feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Abstract
The invention relates to a valve plate for axial plunger pump noise reduction. The valve plate for axial plunger pump noise reduction is characterized in that the valve plate comprises a valve plate body (1) which is provided with multiple installation holes (6), an axial hole (15) is formed in the center of the valve plate body (1), an oil absorption window (2) is arranged on one side of the axial hole (15), an oil pressure window (3) is arranged on the other side of the axial hole (15), the semicircular valve plate surface where the oil absorption window (2) is located is an oil absorption valve plate surface (4), the other semicircular valve plate surface where the oil pressure window (3) is located is an oil pressure valve plate surface (5), and the oil absorption valve plate surface (4) and the oil pressure valve plate surface (5) are each provided with multiple spherical protrusions (7) which are located on the same circumference which is concentric with the axial hole (15). The valve plate for axial plunger pump noise reduction has the advantages of being low in cost, simple in structure, easy and convenient to assemble, not prone to deflection abrasion and long in service life.
Description
Technical field
The present invention relates to a kind of valve plate being axially facing plunger displacement pump noise reduction and assembly technology thereof, belong to valve plate of plunger pump technical field.
Background technology
Plunger displacement pump is one of most important hydraulic pressure original paper, is widely used in the field such as engineering machinery and Aero-Space.Finding in the practical application of plunger displacement pump, the pressure distribution at valve plate two ends is uneven, can produce unbalance loading moment, causes plane valving surface to produce eccentric wear, reduces the service life of valve plate.Along with the development of science and technology, plunger displacement pump develops towards the direction of high pressure, high speed and big flow, and plunger pump performance is had higher requirement, but, in prior art, valve plate being carried out process and there is cost height, structure is complicated, assembling trouble, is easily generated eccentric wear, the problems such as service life is short.
In prior art, plunger displacement pump has also been done many improvement, patent of invention if China's application number is CN200720138344.4 provides a kind of high pressure high displacement inclined shaft type axial plunger, equipped with the paired duplex angular contact ball bearing of big cone angle on main shaft, cylinder body adopts bimetal structure, and plunger and connecting rod be plunger pair by rolling forming fabrication techniques, the contact surface of valve plate and cylinder body is designed to sphere, though which has its advantage, but adds equipment, structure is complicated.
And for example China's application number is that the patent of invention of CN201220553546.6 provides a kind of hydraulic motor valve plate, including flow face, flow face is provided with kidney slot, the half in flow face is located in higher-pressure region, second half of flow face is located in low-pressure area, and kidney slot is connected with triangle compensating groove near one end of higher-pressure region and low-pressure area intersection, and triangle compensating groove is provided with throttle orifice, though which working stability, but do not account for the unbalance loading abrasion of valve plate.
Therefore there is cost height in prior art, and structure is complicated, assembling trouble, is easily generated eccentric wear, the multinomial defects such as service life is short.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of cost is low, simple in construction, assembling simplicity, be not likely to produce eccentric wear, the valve plate being axially facing plunger displacement pump noise reduction of long service life and assembly technology thereof.
The object of the present invention is achieved like this:
A kind of valve plate being axially facing plunger displacement pump noise reduction, it includes valve plate body, described valve plate body is provided with several installing holes, the center of described valve plate body is provided with axial hole, the side in described axial hole is provided with oil sucking window, opposite side is provided with force feed window, described oil sucking window and force feed window are symmetrical arranged, the semicircular flow card at described oil sucking window place is oil suction flow card, another semicircular flow card at described force feed window place is force feed flow card, described oil suction flow card and force feed flow card are equipped with some hemisphere juts, some hemisphere juts are positioned on the same circumference concentric with axial hole.
The inwall of described oil sucking window and force feed window is respectively equipped with several triangular grooves.
Described oil suction flow card and force feed flow card are equipped with corrosion-resistant finishes.
Described valve plate body is provided with multiple vibration damping hole, and described vibration damping hole is arranged between oil sucking window and force feed window.
Described vibration damping hole is shoulder hole.
The circumferencial direction of described valve plate body is provided with cannelure.
Evenly distributed reinforcement it is provided with between the two side of described cannelure.
A kind of assembly technology of the valve plate being axially facing plunger displacement pump noise reduction, it comprises the following steps:
Step one, the rear end cap of axial plunger pump will be offered several arcuate grooves matched with hemisphere jut；
Step 2, axial plunger pump main shaft through the axial hole of valve plate body, hemisphere jut correspondence is arranged in arcuate groove；
Step 3, the rear end cap of valve plate body Yu axial plunger pump is linked together through installing hole again through several screws.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention be axially facing the valve plate of plunger displacement pump noise reduction and assembly technology to have cost low, simple in construction, assembling simplicity, be not likely to produce eccentric wear, the advantage of long service life.
Fig. 1 is the structural representation of the valve plate body of the present invention；
Fig. 2 is the side view of the valve plate body of the present invention；
Fig. 3 is the schematic diagram that the valve plate body of the present invention is assemblied on axial plunger pump.
Wherein:
Valve plate body 1, oil sucking window 2, force feed window 3, oil suction flow card 4, force feed flow card 5, installing hole 6, hemisphere jut 7, triangular groove 8, corrosion-resistant finishes 9, cannelure 10, reinforcement 11, axial plunger pump 12, arcuate groove 13, screw 14, axial hole 15, vibration damping hole 16.
Detailed description of the invention
nullReferring to Fig. 1 ~ Fig. 3，A kind of valve plate being axially facing plunger displacement pump noise reduction that the present invention relates to，It includes valve plate body 1，Described valve plate body 1 is provided with several installing holes 6，The center of described valve plate body 1 is provided with axial hole 15，The side in described axial hole 15 is provided with oil sucking window 2，Opposite side is provided with force feed window 3，Described oil sucking window 2 and force feed window 3 are symmetrical arranged，The circumferencial direction of described valve plate body 1 is provided with cannelure 10，Evenly distributed reinforcement 11 it is provided with between the two side of described cannelure 10，The semicircular flow card at described oil sucking window 2 place is oil suction flow card 4，Another semicircular flow card at described force feed window 3 place is force feed flow card 5，Described oil suction flow card 4 and force feed flow card 5 are equipped with some hemisphere juts 7，Some hemisphere juts 7 are positioned on the same circumference concentric with axial hole 15.
In the present embodiment, the inwall of described oil sucking window 2 and force feed window 3 is respectively equipped with several triangular grooves 8, plays the effect of vibration damping, damping, reduces axial plunger pump 12 vibration in use and noise, it is suppressed that the generation of cavitation.
In the present embodiment, described oil suction flow card 4 and force feed flow card 5 are equipped with corrosion-resistant finishes 9, the surface of valve plate body 1 is played a protective role, extend the service life of valve plate body 1, reduce cost.
In the present embodiment, described valve plate body 1 is provided with 2-4 vibration damping hole 16, and described vibration damping hole 16 is separately positioned between oil sucking window 2 and force feed window 3, it is possible to improve the shock resistance of valve plate body 1.
In the present embodiment, described vibration damping hole 16 is shoulder hole, has good erasure effect.
A kind of assembly technology of the valve plate being axially facing plunger displacement pump noise reduction, it comprises the following steps:
Step one, the rear end cap of axial plunger pump 12 will be offered several arcuate grooves 13 matched with hemisphere jut 7；
Step 2, axial plunger pump 12 main shaft through the axial hole 15 of valve plate body 1, hemisphere jut 7 correspondence is arranged in arcuate groove 13；
Step 3, the rear end cap of valve plate body 1 with axial plunger pump 12 is linked together through installing hole 6 again through several screws 14.
nullBased on above-mentioned，The valve plate being axially facing plunger displacement pump noise reduction of present configuration，Circumferencial direction at valve plate body 1 offers cannelure 10，Alleviate valve plate body 1 own wt、While reducing cost，Also function to the effect of vibration damping，Evenly distributed reinforcement 11 is welded between the two side of cannelure 10，Reduce impulsive force，Improve the service life of valve plate body 1，The space simultaneously formed between reinforcement 11，Fluid can be stored，Play good lubricant effect，Reduce friction，It is not likely to produce eccentric wear，Extend the service life of valve plate body 1，All with some hemisphere juts 7 in oil suction flow card 4 and force feed flow card 5，When the rear end cap of valve plate body 1 with axial plunger pump 12 is connected，Contact area is bigger，Therefore the abrasion produced is also relatively small，Thus its service life extends relatively，Valve plate body 1 is assemblied on axial plunger pump 12，It is that hemisphere jut 7 correspondence by oil suction flow card 4 and force feed flow card 5 is arranged in the arcuate groove 13 of rear end cap of axial plunger pump 12，The rear end cap of valve plate body 1 with axial plunger pump 12 is linked together through installing hole 6 again through several screws 14，It is correspondingly arranged in arcuate groove 13 by hemisphere jut 7，It is prone to location，Assembling is simple，Improve work efficiency，When valve plate body 1 is connected with the rear end cap of axial plunger pump 12 simultaneously，Contact area is bigger，Therefore the abrasion produced is also relatively small，Thus its service life extends relatively，This invention，Simple and reasonable，It is easily assembled，Improve work efficiency，Reduce eccentric wear，Increase the service life，Reduce cost.
Claims (8)
- null1. the valve plate being axially facing plunger displacement pump noise reduction，It is characterized in that it includes valve plate body (1)，Described valve plate body (1) is provided with several installing holes (6)，The center of described valve plate body (1) is provided with axial hole (15)，The side in described axial hole (15) is provided with oil sucking window (2)，Opposite side is provided with force feed window (3)，Described oil sucking window (2) and force feed window (3) are symmetrical arranged，The semicircular flow card at described oil sucking window (2) place is oil suction flow card (4)，Another semicircular flow card at described force feed window (3) place is force feed flow card (5)，Described oil suction flow card (4) and force feed flow card (5) are equipped with some hemisphere juts (7)，Some hemisphere juts (7) are positioned on the same circumference concentric with axial hole (15).
- 2. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterised in that the inwall of described oil sucking window (2) and force feed window (3) is respectively equipped with several triangular grooves (8).
- 3. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterised in that be equipped with corrosion-resistant finishes (9) on described oil suction flow card (4) and force feed flow card (5).
- 4. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterized in that described valve plate body (1) is provided with multiple vibration damping hole (16), described vibration damping hole (16) is arranged between oil sucking window (2) and force feed window (3).
- 5. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterised in that described vibration damping hole (16) is shoulder hole.
- 6. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterised in that the circumferencial direction of described valve plate body (1) is provided with cannelure (10).
- 7. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 6, it is characterised in that be provided with evenly distributed reinforcement (11) between the two side of described cannelure (10).
- 8. a kind of valve plate being axially facing plunger displacement pump noise reduction according to claim 1, it is characterised in that its assembly technology comprises the following steps:Step one, the rear end cap of axial plunger pump (12) will be offered several arcuate grooves (13) matched with hemisphere jut (7)；Step 2, axial plunger pump (12) main shaft through valve plate body (1) axial hole (15), hemisphere jut (7) correspondence is arranged in arcuate groove (13)；Step 3, again through several screws (14) through installing hole (6) rear end cap of valve plate body (1) Yu axial plunger pump (12) is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253445.XA CN105756916B (en) | 2016-04-22 | 2016-04-22 | It is axially facing the valve plate and its assembly technology of plunger pump noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253445.XA CN105756916B (en) | 2016-04-22 | 2016-04-22 | It is axially facing the valve plate and its assembly technology of plunger pump noise reduction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756916A true CN105756916A (en) | 2016-07-13 |
| CN105756916B CN105756916B (en) | 2017-09-12 |
Family
ID=56325495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253445.XA Expired - Fee Related CN105756916B (en) | 2016-04-22 | 2016-04-22 | It is axially facing the valve plate and its assembly technology of plunger pump noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756916B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286309A (en) * | 2016-09-08 | 2017-01-04 | 珠海凌达压缩机有限公司 | Acoustical panel, motor and air-conditioner |
| CN107178544A (en) * | 2017-07-13 | 2017-09-19 | 徐工集团工程机械有限公司 | Pump motor end cap assembly, pump motor and crane energy recovery hydraulic system |
| CN107559165A (en) * | 2017-09-21 | 2018-01-09 | 方乐 | A kind of diacytic type axial plunger pump |
| CN107697738A (en) * | 2017-10-18 | 2018-02-16 | 宿松天工纺织有限公司 | A kind of special connecting axle structure of the bobbin-winding machine of improvement |
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| CN202360377U (en) * | 2011-11-28 | 2012-08-01 | 佛山市科达液压机械有限公司 | Assembling structure of valve plate and cylinder of hydraulic pump |
| CN203081669U (en) * | 2012-12-24 | 2013-07-24 | 北京工业大学 | Half shaft type pure water hydraulic axial plunger pump |
| US20140003971A1 (en) * | 2011-01-27 | 2014-01-02 | Robert Bosch Gmbh | Hydrostatic machine, in particular axial piston machine |
| CN104806464A (en) * | 2015-02-16 | 2015-07-29 | 清华大学 | Aviation axial plunger hydraulic pump and slipping boot thereof |
| CN104989613A (en) * | 2015-08-11 | 2015-10-21 | 贵阳海之力液压有限公司 | Novel minitype swash plate type plunger pump and motor |
| CN204941893U (en) * | 2015-08-24 | 2016-01-06 | 重庆市青蓝机械制造有限公司 | Forging hydraulic press plunger pump |
| CN205638890U (en) * | 2016-04-22 | 2016-10-12 | 江阴职业技术学院 | Valve plate of making an uproar falls towards axial plunger pump |
-
2016
- 2016-04-22 CN CN201610253445.XA patent/CN105756916B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140003971A1 (en) * | 2011-01-27 | 2014-01-02 | Robert Bosch Gmbh | Hydrostatic machine, in particular axial piston machine |
| CN202360377U (en) * | 2011-11-28 | 2012-08-01 | 佛山市科达液压机械有限公司 | Assembling structure of valve plate and cylinder of hydraulic pump |
| CN203081669U (en) * | 2012-12-24 | 2013-07-24 | 北京工业大学 | Half shaft type pure water hydraulic axial plunger pump |
| CN104806464A (en) * | 2015-02-16 | 2015-07-29 | 清华大学 | Aviation axial plunger hydraulic pump and slipping boot thereof |
| CN104989613A (en) * | 2015-08-11 | 2015-10-21 | 贵阳海之力液压有限公司 | Novel minitype swash plate type plunger pump and motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286309A (en) * | 2016-09-08 | 2017-01-04 | 珠海凌达压缩机有限公司 | Acoustical panel, motor and air-conditioner |
| CN106286309B (en) * | 2016-09-08 | 2019-08-13 | 珠海格力电器股份有限公司 | Acoustical panel, motor and air conditioner |
| CN107178544A (en) * | 2017-07-13 | 2017-09-19 | 徐工集团工程机械有限公司 | Pump motor end cap assembly, pump motor and crane energy recovery hydraulic system |
| CN107178544B (en) * | 2017-07-13 | 2019-06-21 | 徐工集团工程机械有限公司 | Pump motor end cap assembly, pump motor and crane energy recovery hydraulic system |
| CN107559165A (en) * | 2017-09-21 | 2018-01-09 | 方乐 | A kind of diacytic type axial plunger pump |
| CN107697738A (en) * | 2017-10-18 | 2018-02-16 | 宿松天工纺织有限公司 | A kind of special connecting axle structure of the bobbin-winding machine of improvement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756916B (en) | 2017-09-12 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20170912 Termination date: 20190422 |