CN202756239U - Anti-wear vane and high-pressure anti-wear pin type vane pump - Google Patents
Anti-wear vane and high-pressure anti-wear pin type vane pump Download PDFInfo
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- CN202756239U CN202756239U CN 201220241743 CN201220241743U CN202756239U CN 202756239 U CN202756239 U CN 202756239U CN 201220241743 CN201220241743 CN 201220241743 CN 201220241743 U CN201220241743 U CN 201220241743U CN 202756239 U CN202756239 U CN 202756239U
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- attrition
- side plate
- wear
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Abstract
The utility model discloses an anti-wear vane and a high-pressure anti-wear pin type vane pump. The anti-wear vane comprises a flat hexahedral vane body, a first anti-wear oil groove and second anti-wear oil grooves, the first anti-wear oil groove is arranged on the top end face of the vane body, the second anti-wear oil grooves are arranged on the left end face and the right end face of the vane body, and a plurality of first pin holes are arranged in the first anti-wear oil groove. The high-pressure anti-wear pin type vane pump is provided with a traditional pin type vane pump structure and the anti-wear vane, a front copper side plate and a rear copper side plate are additionally mounted on two end faces of a stator, and the side faces of the front copper side plate and the rear copper side plate contacting with the stator are provided with a plurality of copper side plate anti-wear oil grooves. The anti-wear vane is fine in wear resistance and low in noise, and the high-pressure anti-wear pin type vane pump with the anti-wear vane and the additionally mounted copper side plates is high in rotation speed, high in flow, fine in wear resistance and low in noise.
Description
Technical field
The utility model relates to the vane pump in a kind of Hydraulic Field, relates in particular to a kind of anti-attrition blade and has the high pressure anti-attrition pin-type vane pump of this anti-attrition blade.
Background technique
Oil hydraulic pump is the device that a kind of rotating mechanical energy with motor or motor converts the displacement fluid energy to, and its control unit by system is realized automation or the semi-automation of hydraulic machinery.Vane pump is low because of noise, the life-span is long, little gear pump and the plunger pump of being better than of pressure pulsation, and in widely used various hydraulic equipments, its performance and life-span are determining the ability to work of whole hydraulic system to a great extent.
The pin-type vane pump utilization is installed in by two adjacent interlobate volume-variation in transmission shaft rotor driven and the rotor radial groove and realizes oil suction and force feed, its high-pressure trend depends on blade and this life-span to friction pair of stator, and noise and cavitation erosion noise that the friction on blade and stator curve surface, pocketed oil noise, flow pulsation excite are the main sources of Noise of Vane Pump.Traditional following shortcoming of pin-type vane pump ubiquity: blade only is provided with oil groove at single end face, and this is so that hydraulic shock increases the oil suction area and produces cavitation erosion, and therefore so that the antifriction effect of vane pump is poor, noise is large; And some pin-type vane pumps only are provided with the gray cast iron oil distribution casing at the outer side surface of stator and rotor, and such structural design is also so that the serious wear on blade and stator curve surface, so that the noise of vane pump is large, shorten working life.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, a kind of anti-attrition blade is provided and has the high pressure anti-attrition pin-type vane pump of anti-attrition blade, the anti-attrition of this kind anti-attrition blade is good, and the high pressure anti-attrition pin vane pump rotating speed with this anti-attrition blade is high, flow is large, Wear vesistance is good, and noise is little.
For realizing above-mentioned purpose of the present utility model, anti-attrition blade of the present utility model comprises: the blade that is flat hexahedron; Be located at the first anti-attrition oil groove of vane tip end face; Be located at the second anti-attrition oil groove of blade left and right sides both ends of the surface.
Preferably, be provided with a plurality of the first column pin holes in described the first anti-attrition oil groove.
High pressure anti-attrition pin-type vane pump of the present utility model comprises: axle; Be installed on the axle and be provided with the rotor of a plurality of rotor; Be placed in the aforesaid anti-attrition blade in each rotor; Be installed on the axle and the stator concentric with rotor, form the cavity volume that radially moves for the anti-attrition blade between itself and the rotor; The front copper side plate and the rear copper side plate that are installed on the axle and contact respectively with the both ends of the surface of stator; Be installed on the axle and first press side plate and the second side plate with the ear end face of the front-end face of front copper side plate and rear copper side plate contacts respectively; Be installed on the axle and with the first front-end face of pressing side plate be connected front pump cover and the rear pump cover that the ear end face of side plate is connected respectively.
Preferably, be provided with second column pin hole corresponding with described the first column pin hole position in the described rotor.
Preferably, pin passes described the first column pin hole and the second column pin hole successively, with described anti-attrition blades installation in described rotor.
Preferably, described front copper side plate, rear copper side plate and rotor, the contacted side of stator are equipped with a plurality of copper side plate anti-attrition oil grooves.
Compared with prior art, anti-attrition blade of the present utility model has following advantage: simple in structure, Wear vesistance is good, and it is large to have a high pressure anti-attrition pin-type vane pump flow of this anti-attrition blade, and rotating speed is high, and Wear vesistance is good, and noise is little.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the structural representation of an embodiment's of the utility model high pressure anti-attrition pin vane pump;
Fig. 2 is the structural representation of an embodiment's of the utility model anti-attrition blade;
Fig. 3 is the plan view of anti-attrition blade shown in Figure 2;
Fig. 4 is the plan view of anti-attrition blade shown in Figure 2;
Fig. 5 is the side view of anti-attrition blade shown in Figure 2;
Fig. 6 is the assembling schematic diagram of an embodiment's of the utility model rotor, anti-attrition blade and front copper side plate;
Fig. 7 is the front elevation of an embodiment's of the utility model forward and backward copper side plate;
Fig. 8 is the plan view of forward and backward copper side plate shown in Figure 7;
Fig. 9 is the rear view of forward and backward copper side plate shown in Figure 7.
Description of reference numerals: 1-anti-attrition blade; 2-the first anti-attrition oil groove; 3-the second anti-attrition oil groove; 4-the first column pin hole; The 5-axle; The 6-rotor; The 7-stator; 9-first presses side plate; 10-the second side plate; The 11-front pump cover; The 12-rear pump cover; The 13-pin; The 61-rotor; 62-the second column pin hole; 80-copper side plate anti-attrition oil groove; Copper side plate before the 81-; Copper side plate behind the 82-; The fan-shaped oil sucking window of 83-; 84-annular oil extraction window; 85-oil transportation mouth; The 11a-oil outlet; The 12a-filler opening.
Embodiment
Shown in Fig. 2-5, anti-attrition blade of the present utility model comprises: be flat hexahedral blade 1; Be located at the first anti-attrition oil groove 2 of blade 1 top end face; Be located at the second anti-attrition oil groove 3 of blade 1 left and right sides both ends of the surface.Adopt this three end faces to be provided with the structure of anti-attrition oil groove, can make vane pump anti-attrition blade 1 and the fluid pressure balance of joining pasta when work that anti-attrition blade 1 is installed, and make anti-attrition blade 1 total energy automatic stabilisation in the neutral position of friction minimum, namely can reduce the friction between anti-attrition blade 1 and the stator; And in the first anti-attrition oil groove 2, be provided with a plurality of the first column pin holes 4, adopt such structure can make the pin that passes column pin hole withstand anti-attrition blade 1, and the top that makes anti-attrition blade 1 is attached to the internal surface of stator, make simultaneously the top oil pressure of anti-attrition blade 1 and bottom oil pressure in transient equilibrium, therefore when blade contacts with stator inner surface, no matter be to be in the high-pressure area, the area of low pressure, or transition region, can guarantee that all blade is close to all the time the internal surface of stator and not interfered by external force and produce the phenomenon of coming to nothing, so can effectively improve the pressure of vane pump, reduce noise.
High pressure anti-attrition pin-type vane pump of the present utility model has adopted a plurality of above-mentioned anti-attrition blades 1, as shown in Figure 1, high pressure anti-attrition pin-type load formula vane pump comprises: front pump cover 11 and rear pump cover 12, be provided with oil outlet 11a at front pump cover 11, and be provided with filler opening 12a at rear pump cover 12; One end of axle 5 stretches out outside the front pump cover 11, and is installed in rotation in front pump cover 11 and the rear pump cover 12; Between front pump cover 11 and rear pump cover 12, be disposed with first and press side plate 9, front copper side plate 81, stator 7, rear copper side plate 82, second to press side plate 10, and these parts are fixedly connected sequentially and are installed in front pump cover 11 and the rear pump cover 12; Be provided with by spline joint and the rotor 6 concentric with stator 7 at axle 5, in a plurality of rotor 61 of radially being provided with of rotor 6, and at a plurality of second column pin holes 62 corresponding with the first column pin hole 4 positions of radially also being provided with of rotor 61, pin 13 passes the first column pin hole 4 and the second column pin hole 62 successively, anti-attrition blade 1 is placed in the rotor 61 slidably, and is formed with the cavity that can supply anti-attrition blade 1 radially to move between rotor 6 and the stator 7; In order to make the hydraulic shock on the blade reduce to minimum, be equipped with a plurality of copper side plate anti-attrition oil grooves 80 at front copper side plate 81, rear copper side plate 82 with rotor 6, stator 7 contacted sides.
Concrete, as shown in Figure 6, rotor 6 internal surfaces are provided with keyway, it is connected with axle 5 by spline, radially be provided with a plurality of rotor 61(shown in A partial view among Fig. 6 in the exterior edge face of rotor 6, it does not draw the anti-attrition blade 1 that is installed in the rotor), in rotor 61, settling slidably anti-attrition blade 1, and also be provided with the second column pin hole 62(of arranging along rotor radial in the rotor 61 shown in A partial view among Fig. 6, it does not draw the anti-attrition blade 1 that is installed in the rotor), its position with two the first column pin holes 4 that anti-attrition blade 1 top end face is disposed radially is corresponding, and pin 13 passes these two column pin holes anti-attrition blade 1 is placed in the rotor 61, and make anti-attrition blade 1 mobile in rotor 6 and the stator 7 formed cavitys that radially distribute, pin 13 also can be radially mobile in column pin hole simultaneously, the oil sucting cavity place acted on the active force on the stator 7 when such structural design can reduce rotor 6 rotation, make pressure oil lead to all the time the bottom of pin 13, thereby push anti-attrition blade 1 to stator 7 its internal surface with stator 7 is contacted; And owing to top end and the left and right sides at anti-attrition blade 1 are provided with the first anti-attrition oil groove 2 and the second anti-attrition oil groove 3, therefore the pressure oil of anti-attrition blade 1 top and bottom communicates, anti-attrition blade 1 stressed in a basic balance, so that anti-attrition blade 1 reduces with the surface abrasion that stator 7 contacts with each other, therefore so that increase this working life to friction pair, and the Noise of Vane Pump of this friction pair structure of employing is reduced, working pressure improves.
Shown in Fig. 6-9, in order to make high pressure anti-attrition pin-type vane pump of the present utility model have better noise reduction effect, copper side plate 81 and rear copper side plate 82 before the bi-side of stator 7 also are installed with, and front copper side plate 81 and rear copper side plate 82 have the pasta of joining with the oil distribution casing same structure of traditional vane pump, as: symmetrically arranged fan-shaped oil sucking window 83 and with two fan-shaped windows be separated by respectively 90 ° and symmetrically arranged two annular oil extraction windows 84.And in order to make the hydraulic shock power that acts on the anti-attrition blade 1 reduce to minimum, reduce the vibration of anti-attrition blade 1 in rotor 61, reduce the noise of high pressure anti-attrition pin-type vane pump, on surface that forward and backward copper side plate contacts with stator 7 respectively except being provided with above-mentioned fan-shaped oil sucking window 83 and annular oil extraction window 84, also be provided with long and narrow copper side plate anti-attrition oil groove 80, and copper side plate anti-attrition oil groove 80 communicates with oil transportation mouth 85, and oil transportation mouth 85 communicates with annular oil extraction window 84.When vane pump is worked, rotor 6 rotates with axle 5, then the anti-attrition blade in the rotor 61 1 is thrown to the internal surface of stator 7, at this moment, two adjacent anti-attrition blades 1 can increase or reduce with the seal space that forward and backward copper side plate forms, and when seal space increased, hydraulic oil was sucked from filler opening 12a, and when seal space reduced, hydraulic oil was discharged from from oil outlet 11a.In addition, hydraulic oil also communicates with the grease chamber of pin 13 lower ends by oil transportation mouth 85, copper side plate anti-attrition oil groove 80, therefore hydraulic oil outwards promotes pin 13 all the time in the vane pump working procedure, make pin 13 withstand anti-attrition blade 1 and promote it and radially move, thereby the top end face of anti-attrition blade 1 is contacted with the internal surface of stator, therefore impacting force that simultaneously also can 1 pair of stator 7 internal surface of anti-attrition blade has reduced the wearing and tearing of 7 pairs of anti-attrition blades 1 of stator; And be connected with high pressure oil in the both ends of the surface of forward and backward copper side plate, therefore when working forward and backward copper side plate can be automatically and stator 7, rotor 6 contacted surfaces be adjacent to, and make rotor and forward and backward copper side plate keep less gap, thereby improved the volumetric efficiency of vane pump.Therefore, adopt such structure, can be so that the rotating speed of high pressure anti-attrition pin-type vane pump improve, noise reduces, and working pressure improves.
Although above the utility model has been done detailed description; but the utility model is not limited to this; those skilled in the art can make amendment according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (6)
1. an anti-attrition blade is characterized in that, comprising:
The blade (1) that is flat hexahedron;
Be located at the first anti-attrition oil groove (2) of blade (1) top end face;
Be located at the second anti-attrition oil groove (3) of blade (1) left and right sides both ends of the surface.
2. anti-attrition blade according to claim 1 is characterized in that, is provided with a plurality of the first column pin holes (4) in described the first anti-attrition oil groove (2).
3. a high pressure anti-attrition pin-type vane pump is characterized in that, comprising:
Axle (5);
Be installed in axle (5) and go up and be provided with the rotor (6) of a plurality of rotor (61);
Be placed in the anti-attrition blade as claimed in claim 2 (1) in each rotor (61);
Be installed in the upper and stator (7) concentric with rotor (6) of axle (5), its with rotor (6) between form the cavity that confession anti-attrition blade (1) radially moves;
Be installed in axle (5) front copper side plate (81) and rear copper side plate (82) upper and that contact respectively with the both ends of the surface of stator (7);
Be installed in axle (5) upper and first press side plate (9) and the second side plate (10) with the ear end face of the front-end face of front copper side plate (81) and rear copper side plate (82) contacts respectively;
Be installed in axle (5) upper and with the first front-end face of pressing side plate (9) be connected the front pump cover (11) and rear pump cover (12) that the ear end face of side plate (10) is connected respectively.
4. high pressure anti-attrition pin-type vane pump according to claim 3 is characterized in that, is provided with second column pin hole (62) corresponding with described the first column pin hole (4) position in the described rotor (61).
5. high pressure anti-attrition pin-type vane pump according to claim 4 is characterized in that, pin (13) passes described the first column pin hole (4) and the second column pin hole (62) successively, and described anti-attrition blade (1) is installed in the described rotor (61).
6. high pressure anti-attrition pin-type vane pump according to claim 3 is characterized in that, described front copper side plate (81), rear copper side plate (82) are equipped with a plurality of copper side plate anti-attrition oil grooves (80) with rotor (6), the contacted side of stator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241743 CN202756239U (en) | 2012-05-28 | 2012-05-28 | Anti-wear vane and high-pressure anti-wear pin type vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241743 CN202756239U (en) | 2012-05-28 | 2012-05-28 | Anti-wear vane and high-pressure anti-wear pin type vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756239U true CN202756239U (en) | 2013-02-27 |
Family
ID=47735424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220241743 Expired - Lifetime CN202756239U (en) | 2012-05-28 | 2012-05-28 | Anti-wear vane and high-pressure anti-wear pin type vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678545A (en) * | 2012-05-28 | 2012-09-19 | 山西斯普瑞机械制造有限公司 | Anti-friction vane and high-pressure anti-friction column pin type vane pump |
-
2012
- 2012-05-28 CN CN 201220241743 patent/CN202756239U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678545A (en) * | 2012-05-28 | 2012-09-19 | 山西斯普瑞机械制造有限公司 | Anti-friction vane and high-pressure anti-friction column pin type vane pump |
| CN102678545B (en) * | 2012-05-28 | 2015-04-22 | 山西斯普瑞机械制造股份有限公司 | High-pressure anti-friction column pin type vane pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
|
| CX01 | Expiry of patent term |