CN105804993B - Beat positive displacement high-pressure hydraulic pump - Google Patents
Beat positive displacement high-pressure hydraulic pump Download PDFInfo
- Publication number
- CN105804993B CN105804993B CN201610273399.XA CN201610273399A CN105804993B CN 105804993 B CN105804993 B CN 105804993B CN 201610273399 A CN201610273399 A CN 201610273399A CN 105804993 B CN105804993 B CN 105804993B
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- Prior art keywords
- pump housing
- rotor
- feather key
- positioning
- side plate
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C9/00—Oscillating-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Abstract
The invention discloses a kind of beat positive displacement high-pressure hydraulic pump, the rotor in the pump housing is arranged on including the pump housing and by eccentric shaft, inlet opening and apopore are provided with the pump housing, the work cavity wall of rotor periphery and the pump housing is tangent, on eccentric shaft side plate is arranged with positioned at rotor both sides, feather key chute is provided with the work cavity wall upper end of the pump housing and is arranged with arc groove in feather key chute, arch moving block is respectively equipped with arc groove, inserted with positioning feather key between two moving blocks；The positioning feather key lower end is shaft-like and coordinates to be inserted into by gap and be located in the positioning hole of rotor upper end, and the working chamber is divided into higher-pressure region and low-pressure area by positioning feather key and rotor；Oil filler point is radially provided with the pump housing, oiling passage is provided with positioning feather key.Beneficial effect is：Pump housing working chamber volume is fully used, pump efficiency can be effectively improved.It is easy to processing and oil injecting lubricating, high lubricating effect, mechanical wear is small, service life length.
Description
Technical field
The present invention relates to a kind of water pump structure, more particularly to a kind of beat positive displacement high-pressure hydraulic pump.
Background technology
It is well known that volume type rotor pump is made up of the rotor of the static pump housing and motion, by the rotor and liquid in the pump housing
Energy is directly acted on liquid by the side of body contact in the form of static pressure, and squeezing action discharge liquor when borrowing rotor beat
Body, while in opposite side slot milling, form low pressure, liquid is continuously sucked.
Publication No. CN202203109 U Chinese utility model patent discloses a kind of double-shaft seal transfiguration water pump,
It includes the pump housing and the rotor that dangles being located in pump housing working chamber, and Biaxial pilot seal dividing plate is provided with pump housing working chamber,
Two spindle nose correspondence positions with described Biaxial pilot seal dividing plate on work cavity wall and the rotor that dangles are respectively equipped with
Pilot seal hole, described two spindle noses are located in work cavity wall and the pilot seal hole dangled on rotor respectively, in the pump housing
It is interior to be provided with compensating plate positioned at rotor both sides.There are the following problems for this structure：
1st, because Biaxial pilot seal dividing plate is zigzag, its transverse width dimension is larger, causes it in working chamber
Space-consuming is larger, so as to reduce pump efficiency.
2nd, because Biaxial pilot seal dividing plate is irregular shape, two spindle nose is respectively provided at work cavity wall and hanged
In pilot seal hole on rotation and the lateral alternate of position, therefore it is not easy to process and lubricates, easily abrasion, passes through after abrasion
The high pressure of Biaxial pilot seal dividing plate segmentation easily connects with low pressure chamber, causes pump efficiency and pressure while declines, and uses
Short life.
3rd, multiple shoulder holes only being evenly equipped with circumferencial direction on compensating plate, it, which does not possess, unidirectionally dams and back pressure function,
Easily make in the pump housing to produce gap between the compensating plate and rotor under the promotion of caused High-Pressure Water during work, so as to reduce
The pressure and lift of the transfiguration water pump.
4th, due on compensating plate without pressure relief, during work in the pump housing caused High-Pressure Water easily by compensating plate with
The gap seepage of axle, so as to further reduce the pressure and lift of the transfiguration water pump.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and are easy to process and lubricate, not easy to wear, service life length,
The beat positive displacement high-pressure hydraulic pump of pump efficiency can be improved.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of beat positive displacement high-pressure hydraulic pump, including the pump housing and the rotor by eccentric shaft in the pump housing, in the pump housing
Top both sides are provided with the inlet opening that is arranged symmetrically and apopore, and the work cavity wall of rotor periphery and the pump housing is tangent, in eccentric shaft
The upper rotor both sides in the pump housing are arranged with side plate, and it is characterized in that：One is provided with the work cavity wall upper end of the pump housing
Individual feather key chute is simultaneously arranged with arc groove in feather key chute, arch moving block is respectively equipped with arc groove, two
Coordinated between individual moving block by glade plane space inserted with positioning feather key；The positioning feather key lower end is shaft-like and matched somebody with somebody by gap
Conjunction is inserted into and is located in the positioning hole of rotor upper end, allow positioning feather key with rotor beat rotation certain angle, by fixed
The working chamber is divided into higher-pressure region and low-pressure area by position feather key and rotor；Radially it is provided with and feather key chute in pump housing upper center
The oil filler point of connection, the oiling passage of feather key chute and positioning hole is communicated with positioning feather key.
As further preferred, positioning seat on symmetrical two is caught in positioned at feather key chute both sides in the pump housing,
The arc groove is symmetrically arranged on the opposite face of two upper positioning seats, is set in the feather key chute positioned at positioning feather key both ends
There is positioning seat sprue.
As further preferred, the arc-shaped slot that central angle is more than 180 degree, institute are arranged with the feather key chute both sides
State positioning seat and positioning seat sprue both ends are respectively clamped into corresponding arc-shaped slot.
It is fixed under being provided with a locating slot in rotor periphery upper end and being installed with one in locating slot as further preferred
Position seat, the positioning hole is located in the middle part of lower positioning seat and upper end open.
As further preferred, the eccentric shaft is arranged on by bearing between the end cap of pump housing both sides, on the end cap
Locating shoulder be inserted respectively into the port of pump housing both sides and act against on the outside of side plate, the rotor is installed by needle bearing
Eccentric segment on eccentric shaft.
As further preferred, arc tank, the respective pump on side plate are along the circumferential direction provided with side plate end face outside
L-type duct is provided with body apopore, L-type duct entrance is located at side plate outer rim and led to the higher-pressure region of working chamber described in side plate interior sides
Cross U-shaped gap I to connect, the outlet of L-type duct is provided with bullet in arc tank in arc tank close to L-type duct exit
Property catch, elastic block piece elastic force effect under by L-type duct export unidirectional blocking, back pressure area can be formed by arc tank,
Side plate is set to be close to rotor both sides, to improve sealing effectiveness, so as to improve the pressure of water pump and lift.
As further preferred, corresponded on side plate and a backflow duct, return port are radially provided with pump housing inlet opening
Road entrance connects with side plate centre bore, return port road outlet positioned at side plate outer rim and with the low-pressure area of working chamber described in side plate interior sides
Connected by U-shaped gap II, to avoid producing leakage, further improve pressure and lift.
As further preferred, multiple lubrication holes are along the circumferential direction evenly equipped with respectively in two ends of rotor, in lubrication hole point
It is not fixed with and post is lubricated made of self-lubricating material, lubrication post outer end is concordant with rotor end-face.
As further preferred, the material of the pump housing is cast aluminium, is installed with pump housing working chamber by self-lubricating material
Manufactured stator sliding sleeve, stator sliding sleeve are stuck in the working chamber by multiple fan-deck card teeth of the circle distribution in its outer rim,
To mitigate pump housing weight, consequently facilitating fire-fighting uses.
As further preferred, check valve is connected with the apopore of the pump housing.
As further preferred, annular is respectively equipped with positioned at the inside and outside both sides of arc tank in the side plate end face outside
Groove simultaneously installs sealing ring.
The beneficial effects of the invention are as follows：
1st, because positioning feather key top is by the way that between glade plane space cooperation two moving blocks of insertion, lower end is shaft-like and passed through
Gap coordinates in the positioning hole of insertion rotor upper end, therefore its transverse width dimension is smaller, can separate high and low pressure well
Area, and space-consuming very little of the feather key in working chamber is positioned, so that pump housing working chamber volume can be fully used, energy
Enough effectively improve pump efficiency.
2nd, because moving block, positioning feather key and feather key chute and the equal profile of positioning hole are simple, therefore it is easy to process；Due to
The oil filler point connected with feather key chute is provided with the pump housing, the oiling of feather key chute and positioning hole is communicated with positioning feather key
Passage, therefore the oil injecting lubricating between positioning feather key and moving block and rotor can be realized, high lubricating effect, mechanical wear is small,
Service life is grown.
3rd, two rotations are formed by the arc groove in moving block and feather key chute, positioning feather key lower end and positioning hole
Pair, a sliding pair is formed by positioning feather key and two moving blocks, rotor beat can be made more nimbly and freely.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is to remove the left view on the left of engine body end cover left part and rotor after side plate in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 latus inframediums.
Fig. 4 is Fig. 3 A-A sectional views.
Fig. 5 is Fig. 3 B-B sectional views.
In figure：Body 1, Jie's axle 2, reducing gear 3, engine body end cover 4, positioning seat sprue 5, the pump housing 6, higher-pressure region 601, low pressure
Area 602, inlet opening 603, apopore 604, feather key chute 605, oil filler point 606, arc-shaped slot 607, safety valve 7, check valve 8,
Position feather key 9, oiling passage 901, side plate 10, arc tank 1001, annular groove 1002, L-type duct 1003, duct of flowing back
1004, U-shaped gap I 1005, U-shaped gap II 1006, pump housing end cap 11, bearing gland 12, sealing ring 13, O-ring seal 14, spiral shell
Bolt 15, bearing cap 16, stator sliding sleeve 17, rotor 18, locating slot 1801, needle bearing 19, lubricate post 20, bearing 21, eccentric shaft
22, oilhole 2201, output gear 23, input gear 24, input shaft 25, input flange 26, lower positioning seat 27, upper positioning seat
28, plug cock 29, water supply connector 30, moving block 31, elastic block piece 32, screw 33, alignment pin 34.
Embodiment
As depicted in figs. 1 and 2, a kind of beat positive displacement high-pressure hydraulic pump of the present invention, including the pump housing 6 and pass through bias
Axle 22 is arranged on the rotor 18 in the pump housing 6, and the inlet opening 603 being arranged symmetrically and apopore 604 are provided with the top both sides of the pump housing 6,
The eccentric shaft 22 is arranged on by bearing 21 between the end cap of the both sides of the pump housing 6, the rotor on eccentric shaft 22 in the pump housing 6
18 both sides are symmetrically set with side plate 10, and the centre bore of side plate 10 coordinates with the gap of eccentric shaft 22.The end cap is divided into the He of engine body end cover 4
Pump housing end cap 11 and the both sides of the pump housing 6 are fixed on by bolt 15 respectively, the locating shoulder on two end caps is inserted respectively into the pump housing 6
In the port of both sides and the outside of side plate 10 is acted against, the rotor 18 is arranged on the bias on eccentric shaft 22 by needle bearing 19
Section, big footpath one end in the centre bore of rotor 18 have been connected through a screw thread bearing cap 16, and bearing cap 16 acts against needle bearing 19
On, the outer rim of rotor 18 and the work cavity wall of the pump housing 6 are tangent.
A feather key chute 605 is provided with the work cavity wall upper end of the pump housing 6, is arranged with the both sides of feather key chute 605
Central angle is more than the arc-shaped slot 607 of 180 degree and is caught in the upper positioning seat 28 of symmetrical two by arc-shaped slot 607,
Arc groove is arranged with the opposite face of positioning seat 28 on two, arch moving block 31 is respectively equipped with arc groove,
Coordinated between two moving blocks 31 by glade plane space inserted with positioning feather key 9, positioned at positioning in the feather key chute 605
The both ends of feather key 9 are provided with positioning seat sprue 5, and the both ends of positioning seat sprue 5 snap onto corresponding arc-shaped slot 607 by interference fit
It is interior.
A locating slot 1801 is provided with the outer rim upper end of rotor 18 and a lower positioning seat is installed with locating slot 1801
27, it is provided with the positioning hole of a upper end open at the lower middle part of positioning seat 27.Positioning feather key 9 lower end is shaft-like and passes through gap
Cooperation be inserted into the positioning hole, allow positioning feather key 9 with the beat of rotor 18 rotation certain angle, by positioning feather key
9 and rotor 18 working chamber is divided into higher-pressure region 601 and low-pressure area 602.Radially it is provided with and feather key in the upper center of the pump housing 6
The oil filler point 606 that chute 605 connects, has been connected through a screw thread plug cock 29 on oil filler point 606, the company of being provided with positioning feather key 9
The inverted " t " type oiling passage 901 of logical feather key chute 605 and positioning hole.
Two revolute pairs are formed by the moving block 31 and upper positioning seat 28, positioning feather key 9 and lower positioning seat 27, passed through
Position feather key 9 and two moving blocks 31 form a sliding pair, driven by eccentric shaft 22 and in two revolute pairs and one
Under the position-limiting action of individual sliding pair, rotor 18 is set to do beat motion in the working chamber of the pump housing 6.
As shown in Fig. 3~Fig. 5, arc tank 1001, arc are along the circumferential direction provided with the end face outside of side plate 10
Central angle corresponding to tank 1001 is 270 degree, is corresponded on side plate 10 and L-type duct 1003, L is provided with pump housing apopore 604
The entrance of type hole road 1003 is located at the outer rim of side plate 10 and passes through U-shaped gap I with the higher-pressure region 601 of the inner side of side plate 10 working chamber
1005 connections, the outlet of L-type duct 1003 is in arc tank 1001.Go out in arc tank 1001 close to L-type duct 1003
Elastic block piece 32 is fixed with by screw 33 at mouthful, exported in L-type duct 1003 unidirectionally under the elastic force effect of elastic block piece 32
Closing, current is entered by higher-pressure region 601 in arc tank 1001, back pressure area can be formed by arc tank 1001, made
Side plate 10 is close to the both sides of rotor 18, to improve sealing effectiveness, so as to improve the pressure of water pump and lift.
Corresponded on side plate 10 and a backflow duct 1004, duct 1004 of flowing back radially are provided with pump housing inlet opening 603
Entrance connects with the centre bore of side plate 10, the outlet of backflow duct 1004 positioned at the outer rim of side plate 10 and with the inner side of side plate 10 working chamber
Low-pressure area 602 connected by U-shaped gap II 1006, to avoid producing leakage, further improve pressure and lift.In the side
It is respectively equipped with annular groove 1002 positioned at 1001 inside and outside both sides of arc tank in the end face outside of plate 10 and O-ring seal is installed
14.Alignment pin 34 is threadably secured in the end face outside of side plate 10, alignment pin 34 is inserted into the engine body end cover 4 of homonymy
Or in the positioning hole on pump housing end cap 11, for realizing the circumferential registration of side plate 10.
Multiple lubrication holes are along the circumferential direction evenly equipped with respectively at the both ends of rotor 18, are respectively fixed with lubrication hole by moistening certainly
Lubrication post 20, the lubrication outer end of post 20 are concordant with the end face of rotor 18 made of sliding material.
The material of the pump housing is cast aluminium, and the stator sliding sleeve made of self-lubricating material is installed with pump housing working chamber
17, stator sliding sleeve 17 is stuck in the working chamber by multiple fan-deck card teeth of the circle distribution in its outer rim, to mitigate the pump housing
Weight, consequently facilitating fire-fighting uses.The self-lubricating material is preferably polytetrafluoroethylene (PTFE).
Water supply connector 30 has been connected through a screw thread at the inlet opening 603 of the pump housing, has passed through spiral shell on the apopore 604 of the pump housing
Line is connected with check valve 8, and safety valve 7 has been connected through a screw thread in the exit end of check valve 8.In the centre bore of pump housing end cap 11
Bearing gland 12 is bolted at external port, being centrally located at the one end of bearing gland 12 in eccentric shaft 22 is provided with oilhole
2201, the outer end of oilhole 2201 has been connected through a screw thread plug, and oilhole 2201 is inner to pass through a radial hole and bias
Eccentric segment outer rim connection on axle 22, for realizing the lubrication of needle bearing 19.
Between eccentric shaft 22 and two end caps sealing ring 13 is respectively equipped with the inside of the bearing on two end caps.In pump
The outside of engine body end cover 4 of body side is connected by screw organism 1, and body 1 forms an annular seal space with engine body end cover 4.In machine
A piece input shaft 25 is installed by two sets of bearings on body 1, input shaft 25 is arranged with the both ends coaxial line of eccentric shaft 22, in input shaft
25 outer ends are fixed with input flange 26 and drawn by body 1, and the corresponding end of the inner and described eccentric shaft 22 of input shaft 25 is inserted respectively
Enter into the annular seal space, the reducing gear 3 of a connection input shaft 25 and eccentric shaft 22, the deceleration are provided with the annular seal space
Mechanism 3 is second gear reduction unit structure, the transmission arrived for realizing input shaft 25 between eccentric shaft 22.The two-stage gear reduction
The input gear 24 and output gear 23 of mechanism are separately mounted to the end of input shaft 25 and eccentric shaft 22, second gear reduction unit
The both ends of Jie's axle 2 of structure are arranged on body 1 and engine body end cover 4 by bearing respectively.
During work, input flange 26 and the engine output end of the beat positive displacement high-pressure hydraulic pump pass through centrifugal clutch
Connection transmission.Rotated at a high speed by driven by engine input shaft 25, drive eccentric shaft 22 to rotate after the deceleration of reducing gear 3, make
Eccentric segment on eccentric shaft 22 makees eccentric rotary in the pump housing.Driven by eccentric shaft 22 and in two revolute pairs and one
Under the position-limiting action of sliding pair, rotor 18 is done beat motion in the working chamber of the pump housing, worked with the pump housing during 18 beat of rotor
Cavity wall linear contact lay, while coordinate positioning feather key 9 that pump housing working chamber is divided into the continually changing high pressure chest of volume and low pressure chamber, lead to
Current are constantly sucked low pressure chamber by the beat motion for crossing rotor by inlet opening 603, then constantly squeeze into high pressure chest by the He of apopore 604
Check valve 8 is discharged.
Rotor constantly extrudes the current entered by pump housing inlet opening 603 in the pump housing during beat, produce the current after high pressure
Elastic block piece 32 is opened through U-shaped gap I 1005, the top of L-type duct 1003 to enter in arc tank 1001, the shape in arc tank 1001
The pressure at both sides of side plate 10 is balanced into back pressure, side plate 10 is close to rotor both sides, therefore the sealing of working chamber is imitated in the pump housing
Fruit is good, can effectively improve the pressure and lift of water pump.During work, by rotor both sides and a small amount of high pressure of the gap seepage of side plate 10
Water reenters circulation by flowing back duct 1004 and U-shaped gap II 1006 returns to the low-pressure area 602 of the working chamber, can
High-Pressure Water is effectively avoided to be revealed along the gap of eccentric shaft 22.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (9)
1. a kind of beat positive displacement high-pressure hydraulic pump, including the pump housing and the rotor by eccentric shaft in the pump housing, on the pump housing
Portion both sides are provided with the inlet opening that is arranged symmetrically and apopore, and the work cavity wall of rotor periphery and the pump housing is tangent, on eccentric shaft
Rotor both sides in the pump housing are arranged with side plate, a feather key chute are provided with the work cavity wall upper end of the pump housing and in cunning
Arc groove is arranged with key chute, arch moving block is respectively equipped with arc groove, is passed through between two moving blocks
Glade plane space coordinates inserted with positioning feather key；The positioning feather key lower end is shaft-like and coordinates to be inserted into by gap and be located at rotor
In the positioning hole of upper end, allow positioning feather key with rotor beat rotation certain angle, by positioning feather key and rotor by institute
State working chamber and be divided into higher-pressure region and low-pressure area；It is characterized in that：Radially it is provided with what is connected with feather key chute in pump housing upper center
Oil filler point, the oiling passage of feather key chute and positioning hole is communicated with positioning feather key；In side plate end face outside circumferentially
Direction is provided with arc tank, is corresponded on side plate and L-type duct is provided with pump housing apopore, and L-type duct entrance is located at side plate outer rim
And connected with the higher-pressure region of working chamber described in side plate interior sides by U-shaped gap I, the outlet of L-type duct is in arc tank, in arc
Elastic block piece is provided with close to L-type duct exit in shape tank, exports in L-type duct unidirectionally under the elastic force effect of elastic block piece
Closing, can form back pressure area by arc tank, side plate is close to rotor both sides.
2. beat positive displacement high-pressure hydraulic pump according to claim 1, it is characterized in that：It is located at feather key chute both sides in the pump housing
The upper positioning seat of symmetrical two is caught in, the arc groove is symmetrically arranged on the opposite face of two upper positioning seats, in institute
State in feather key chute and be provided with positioning seat sprue positioned at positioning feather key both ends.
3. beat positive displacement high-pressure hydraulic pump according to claim 2, it is characterized in that：Symmetrically set in the feather key chute both sides
There is the arc-shaped slot that central angle is more than 180 degree, upper positioning seat and positioning seat the sprue both ends are respectively clamped into corresponding arc
In neck.
4. beat positive displacement high-pressure hydraulic pump according to claim 1, it is characterized in that：One is provided with rotor periphery upper end to determine
Position groove is simultaneously installed with a lower positioning seat in locating slot, and the positioning hole is located in the middle part of lower positioning seat and upper end open.
5. beat positive displacement high-pressure hydraulic pump according to claim 1, it is characterized in that：The eccentric shaft is arranged on by bearing
Between the end cap of pump housing both sides, the locating shoulder on the end cap is inserted respectively into the port of pump housing both sides and acts against side plate
Outside, the rotor are arranged on the eccentric segment on eccentric shaft by needle bearing.
6. beat positive displacement high-pressure hydraulic pump according to claim 1, it is characterized in that：Corresponded on side plate at pump housing inlet opening
A backflow duct is radially provided with, backflow duct entrance connects with side plate centre bore, and the outlet of return port road is located at side plate outer rim
And connected with the low-pressure area of working chamber described in side plate interior sides by U-shaped gap II, to avoid producing leakage, further improve pressure
And lift.
7. the beat positive displacement high-pressure hydraulic pump according to claim 1 or 4 or 5, it is characterized in that：It is circumferentially square in two ends of rotor
To multiple lubrication holes are evenly equipped with respectively, it are respectively fixed with lubrication hole and post is lubricated made of self-lubricating material, is lubricated outside post
End is concordant with rotor end-face.
8. beat positive displacement high-pressure hydraulic pump according to claim 1 or 2, it is characterized in that：The material of the pump housing is cast aluminium,
The stator sliding sleeve made of self-lubricating material is installed with pump housing working chamber, stator sliding sleeve is by circle distribution in its outer rim
Multiple fan-deck card teeth be stuck in the working chamber.
9. beat positive displacement high-pressure hydraulic pump according to claim 8, it is characterized in that：Connected on the apopore of the pump housing
There is check valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273399.XA CN105804993B (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high-pressure hydraulic pump |
| PCT/CN2017/078330 WO2017185936A1 (en) | 2016-04-28 | 2017-03-27 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273399.XA CN105804993B (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high-pressure hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105804993A CN105804993A (en) | 2016-07-27 |
| CN105804993B true CN105804993B (en) | 2017-11-24 |
Family
ID=56458933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273399.XA Active CN105804993B (en) | 2016-04-28 | 2016-04-28 | Beat positive displacement high-pressure hydraulic pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN105804993B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185936A1 (en) * | 2016-04-28 | 2017-11-02 | 河北盛多威泵业制造有限公司 | Water pump, connection structure between pump body and rotor, rotor, side plate, damper, and nozzle |
| CN112414341B (en) * | 2020-09-29 | 2022-07-01 | 天津旗领机电科技有限公司 | Detection device and detection method for cycloid wheel of planetary cycloid pin gear reducer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3178559B2 (en) * | 1991-09-24 | 2001-06-18 | ダイキン工業株式会社 | Rotary compressor |
| CN2399533Y (en) * | 1998-10-16 | 2000-10-04 | 乐清市金宇发动机研究所 | Swinging rotor type compressor |
| DE10155876A1 (en) * | 2001-11-14 | 2003-05-22 | Zahnradfabrik Friedrichshafen | Oscillating pump has ring chamber between housing and disc with dividing element forming circumferential chambers and eccentric drive oscillating housing or disc secured against rotation to vary volume of chambers |
| CN201448239U (en) * | 2009-07-24 | 2010-05-05 | 广东美芝制冷设备有限公司 | Compression structure of a rotary compressor |
| CN202645905U (en) * | 2012-04-24 | 2013-01-02 | 马勒技术投资(中国）有限公司 | Double-kinetic-energy flow control pump |
| CN205533190U (en) * | 2016-04-28 | 2016-08-31 | 河北盛多威泵业制造有限公司 | Beat positive displacement high pressure water pump |
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2016
- 2016-04-28 CN CN201610273399.XA patent/CN105804993B/en active Active
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| CN105804993A (en) | 2016-07-27 |
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Inventor after: Zhang Qingjun Inventor after: Yang Wanjie Inventor after: Yao Yuqing Inventor after: Ma Hong Inventor after: Liu Jinxiang Inventor before: Zhang Qingjun Inventor before: Yang Wanjie Inventor before: Yao Yuqing Inventor before: Wang Yuchen Inventor before: Liu Jinxiang |
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Address after: 050200, Shijiazhuang, Hebei Province, Luquan District, 81 Town, Yin Qing village street, Ding Jun science and Technology Park, building 10 Applicant after: HEBEI SHENGDUOWEI PUMP MANUFACTURING CO., LTD. Address before: 061000 A, block 1002, Jinding building, canal zone, Hebei, Cangzhou, China Applicant before: HEBEI SHENGDUOWEI PUMP MANUFACTURING CO., LTD. |
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