CN204553189U - One has the self-regulating valve plate of plunger pump of unbalance loading - Google Patents

One has the self-regulating valve plate of plunger pump of unbalance loading Download PDF

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Publication number
CN204553189U
CN204553189U CN201520056016.4U CN201520056016U CN204553189U CN 204553189 U CN204553189 U CN 204553189U CN 201520056016 U CN201520056016 U CN 201520056016U CN 204553189 U CN204553189 U CN 204553189U
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CN
China
Prior art keywords
miniature boss
semicircle
flow card
window
thrust plate
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.)
Expired - Fee Related
Application number
CN201520056016.4U
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Chinese (zh)
Inventor
毛阳
曾良才
余广
卢艳
蒋俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Science and Engineering WUSE
Original Assignee
Wuhan University of Science and Engineering WUSE
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Filing date
Publication date
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Priority to CN201520056016.4U priority Critical patent/CN204553189U/en
Application granted granted Critical
Publication of CN204553189U publication Critical patent/CN204553189U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to one and has the self-regulating valve plate of plunger pump of unbalance loading.Its technological scheme is: force feed window (2) and oil sucking window (4) symmetrical along a diameter line of described thrust plate, flow card is divided into two of homalographic semicircle flow cards by a described diameter line.A semicircle thrust plate face in office is provided with tiny cells body structure (6), and tiny cells body structure (6) equidensity distributes.Described tiny cells body structure (6) is miniature boss, and the upper surface shape of miniature boss is the one in triangle, quadrilateral, circle, polygonal and ellipse; The upper surface area sum of described miniature boss is semicircle flow card area 50 ~ 90%, the centre of form distance of two adjacent miniature boss is 6 ~ 60 μm, the upper surface of described miniature boss and second half circular flow card are same plane, and the height of each miniature boss is 5 ~ 50 μm.The utility model has that cost is low, structure is simple, widely applicable, unbalance loading wearing and tearing are little and the advantage of long service life.

Description

One has the self-regulating valve plate of plunger pump of unbalance loading
Technical field
The utility model belongs to valve plate of plunger pump technical field.Be specifically related to one and there is the self-regulating valve plate of plunger pump of unbalance loading.
Background technique
Plunger pump is one of most important hydraulic pressure original paper, is widely used in the field such as engineering machinery and Aero-Space.Find in the practical application of plunger pump, the pressure distribution at thrust plate two ends is uneven, can produce unbalance loading moment, causes plane valving surface to produce eccentric wear, reduces the working life of thrust plate.Along with the development of science and technology, plunger pump, towards the future development of high pressure, high speed and large discharge, is had higher requirement to plunger pump performance, so the performance improving thrust plate has extremely important meaning for the development of plunger pump.
" high pressure high displacement inclined shaft type axial plunger " (CN200720138344.4) patented technology, disclose a kind of high pressure high displacement inclined shaft type axial plunger, main shaft is equipped with the paired duplex angular contact ball bearing of large cone angle, cylinder body adopts bimetal structure, plunger and connecting rod be trunk piston set by rolling forming fabrication techniques, and the surface of contact of thrust plate and cylinder body is designed to sphere, though which has its advantage, but add equipment, complex structure.
" a kind of oil hydraulic motor thrust plate " (CN201220553546.6) patented technology, disclose a kind of oil hydraulic motor thrust plate, comprise flow face, flow face is provided with kidney slot, and the half in flow face is located in zone of high pressure, and second half of flow face is located in low pressure area, kidney slot is connected with triangle compensating groove with one end of low pressure area intersection near zone of high pressure, triangle compensating groove is provided with throttle orifice, though which working stability, does not consider the unbalance loading wearing and tearing of thrust plate.
In sum, prior art carries out process to thrust plate, and there are the following problems: increase cost, complex structure, applicable surface is narrow, fails to solve eccentric wear problem.
Summary of the invention
The utility model is intended to overcome above-mentioned technological deficiency, and object is to provide that a kind of cost is low, structure is simple, widely applicable, unbalance loading wearing and tearing are little and the life-span is long has the self-regulating valve plate of plunger pump of unbalance loading.
For achieving the above object, the technical solution adopted in the utility model is: described thrust plate is provided with central through bore, one side of central through bore is provided with force feed window, another side of central through bore is provided with oil sucking window, force feed window and oil sucking window are " C " font through hole, force feed window and oil sucking window symmetrical along a diameter line of described thrust plate, flow card is divided into two of homalographic semicircle flow cards by a described diameter line.
The semicircle flow card at force feed window place is force feed flow card, and second half circular flow card at oil sucking window place is oil suction flow card; A semicircle thrust plate face in office is provided with tiny cells body structure, and tiny cells body structure equidensity distributes.
Described tiny cells body structure is miniature boss-shaped, and the upper surface shape of miniature boss is the one in triangle, quadrilateral, circle, polygonal and ellipse; The upper surface area sum of described miniature boss is semicircle flow card area 50 ~ 90%, the centre of form distance of two adjacent miniature boss is 6 ~ 60 μm, the upper surface of described miniature boss and second half circular flow card are same plane, and the height of each miniature boss is 5 ~ 50 μm.
Owing to adopting technique scheme, the utility model compared with prior art tool has the following advantages:
1, the utility model is only provided with tiny cells body structure in a semicircle thrust plate face in office, without the need to other controlling device, safe and reliable, and structure is simple and cost is low.
2, the utility model semicircle thrust plate face in office is provided with tiny cells body structure, and the mesh space formed around tiny cells body structure can store abrasive particle and lubricant oil, plays the effect of secondary lubrication, improves plunger pump performance.
3, the utility model using scope is wide, workable, is applicable to the various working state needing to regulate unbalance loading and reduce to wear and tear between two solid surface.
4, the utility model semicircle thrust plate face in office is provided with tiny cells body structure, achieves the self-regulation of thrust plate unbalance loading moment, plays the effect reducing eccentric wear, extends the working life of thrust plate.
Therefore, the utility model has that cost is low, structure is simple, widely applicable, unbalance loading wearing and tearing are little and the advantage of long service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is close-up schematic view I in Fig. 1;
Fig. 3 is the A-A generalized section in Fig. 2.
specific implementation method
Below in conjunction with the drawings and specific embodiments, the utility model will be further described, the restriction not to its protection domain.
embodiment 1
One has the self-regulating valve plate of plunger pump of unbalance loading.As shown in Figure 1, described thrust plate is provided with central through bore 3, one side of central through bore 3 is provided with force feed window 2, another side of central through bore 3 is provided with oil sucking window 4, force feed window 2 and oil sucking window 4 are " C " font through hole, force feed window 2 and oil sucking window 4 symmetrical along a diameter line of described thrust plate, flow card is divided into two of homalographic semicircle flow cards by a described diameter line.
The semicircle flow card at force feed window 2 place is force feed flow card 1, and second half circular flow card at oil sucking window 4 place is oil suction flow card 5.As depicted in figs. 1 and 2, be provided with tiny cells body structure 6 in oil suction flow card 5, tiny cells body structure 6 equidensity distributes.
Described tiny cells body structure 6 is in miniature boss-shaped, and as depicted in figs. 1 and 2, the upper surface shape of miniature boss is quadrilateral; The upper surface area sum of described miniature boss is semicircle flow card area 70 ~ 90%, the centre of form distance of two adjacent miniature boss is 6 ~ 50 μm, the upper surface of described miniature boss and second half circular flow card are same plane, and the height of each miniature boss is 5 ~ 10 μm.
embodiment 2
One has the self-regulating valve plate of plunger pump of unbalance loading.Outside except following structure, all the other are with implementing 1.
Be provided with tiny cells body structure 6 in oil suction flow card 5, tiny cells body structure 6 equidensity distributes.
Described tiny cells body structure 6 is in miniature boss-shaped, and the upper surface shape of miniature boss is the one in triangle, circle, polygonal and ellipse; The upper surface area sum of described miniature boss is semicircle flow card area 50 ~ 80%, the centre of form distance of two adjacent miniature boss is 10 ~ 60 μm, the upper surface of described miniature boss and second half circular flow card are same plane, and the height of each miniature boss is 5 ~ 50 μm.
This embodiment compared with prior art tool has the following advantages:
1, this embodiment is only provided with tiny cells body structure 6 in a semicircle thrust plate face in office, without the need to other controlling device, safe and reliable, and structure is simple and cost is low.
2, this embodiment semicircle thrust plate face in office is provided with tiny cells body structure 6, and the mesh space formed around tiny cells body structure 6 can store abrasive particle and lubricant oil, plays the effect of secondary lubrication, improves plunger pump performance.
3, this embodiment using scope is wide, workable, is applicable to the various working state needing to regulate unbalance loading and reduce to wear and tear between two solid surface.
4, this embodiment semicircle thrust plate face in office is provided with tiny cells body structure 6, achieves the self-regulation of thrust plate unbalance loading moment, plays the effect reducing eccentric wear, extends the working life of thrust plate.
Therefore, this embodiment has that cost is low, structure is simple, widely applicable, unbalance loading wearing and tearing are little and the advantage of long service life.

Claims (1)

1. one kind has the self-regulating valve plate of plunger pump of unbalance loading, it is characterized in that described thrust plate is provided with central through bore (3), one side of central through bore (3) is provided with force feed window (2), another side of central through bore (3) is provided with oil sucking window (4), force feed window (2) and oil sucking window (4) are " C " font through hole, force feed window (2) and oil sucking window (4) symmetrical along a diameter line of described thrust plate, flow card is divided into two of homalographic semicircle flow cards by a described diameter line;
The semicircle flow card at force feed window (2) place is force feed flow card (1), and second half circular flow card at oil sucking window (4) place is oil suction flow card (5); A semicircle thrust plate face in office is provided with tiny cells body structure (6), and tiny cells body structure (6) equidensity distributes;
Described tiny cells body structure (6) is in miniature boss-shaped, and the upper surface shape of miniature boss is the one in circle, polygonal and ellipse; The upper surface area sum of described miniature boss is semicircle flow card area 50 ~ 90%, the centre of form distance of two adjacent miniature boss is 6 ~ 60 μm, the upper surface of described miniature boss and second half circular flow card are same plane, and the height of each miniature boss is 5 ~ 50 μm.
CN201520056016.4U 2015-01-27 2015-01-27 One has the self-regulating valve plate of plunger pump of unbalance loading Expired - Fee Related CN204553189U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520056016.4U CN204553189U (en) 2015-01-27 2015-01-27 One has the self-regulating valve plate of plunger pump of unbalance loading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520056016.4U CN204553189U (en) 2015-01-27 2015-01-27 One has the self-regulating valve plate of plunger pump of unbalance loading

Publications (1)

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CN204553189U true CN204553189U (en) 2015-08-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104595177A (en) * 2015-01-27 2015-05-06 武汉科技大学 Plunger pump valve plate with local micro unit structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104595177A (en) * 2015-01-27 2015-05-06 武汉科技大学 Plunger pump valve plate with local micro unit structures

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

Termination date: 20170127

CF01 Termination of patent right due to non-payment of annual fee