CN105804993A - Deflection volumetric high-pressure water pump - Google Patents
Deflection volumetric high-pressure water pump Download PDFInfo
- Publication number
- CN105804993A CN105804993A CN201610273399.XA CN201610273399A CN105804993A CN 105804993 A CN105804993 A CN 105804993A CN 201610273399 A CN201610273399 A CN 201610273399A CN 105804993 A CN105804993 A CN 105804993A
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- rotor
- pump housing
- feather key
- side plate
- pressure
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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
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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
- F04C2240/00—Components
- F04C2240/20—Rotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a deflection volumetric high-pressure water pump. The deflection volumetric high-pressure water pump comprises a pump body and a rotor installed in the pump body through an eccentric shaft. The pump body is provided with a water inlet and a water outlet. The edge of the rotor is tangential to the inner wall of a working cavity of the pump body. The parts, located on the two sides of the rotor, of the eccentric shaft are provided with side plates symmetrically. A sliding key sliding groove is formed in the upper end of the inner wall of the working cavity of the pump body, and arc-shaped grooves are symmetrically formed in the sliding key sliding groove. Arched rotation blocks are arranged in the arc-shaped grooves correspondingly. A positioning sliding key is inserted between the two rotation blocks. The lower end of the positioning sliding key is in a shaft shape and is inserted into a positioning hole formed in the upper end of the rotor through clearance fit. The working cavity is divided into a high-pressure zone and a low-pressure zone through the positioning sliding key and the rotor. An oil filling hole is formed in the pump body in the radial direction. An oil filling channel is formed in the positioning sliding key. The deflection volumetric high-pressure water pump has the beneficial effects that the volume of the working cavity of the pump body can be fully used, the efficiency of the water pump can be effectively improved, machining, oil filling and lubricating are facilitated, the lubricating effect is good, the mechanical abrasion is small, and the service life is long.
Description
Technical field
The present invention relates to a kind of water pump structure, particularly to a kind of beat positive displacement high-pressure hydraulic pump.
Background technology
It is known that, volume type rotor pump is made up of the rotor of the static pump housing and motion, energy is directly acted on liquid with static pressure form by the side contacted with liquid by the rotor in the pump housing, and squeezing action drain during by means of rotor beat, simultaneously at opposite side slot milling, form low pressure, make liquid suck continuously.
The Chinese utility model patent that publication number is CN202203109U 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, Biaxial pilot seal dividing plate it is provided with in pump housing working chamber, on working chamber inwall and the rotor that dangles, two spindle nose correspondence positions with described Biaxial pilot seal dividing plate are respectively equipped with pilot seal hole, two described spindle noses lay respectively at working chamber inwall and in the pilot seal hole dangled on rotor, are positioned at rotor both sides and are provided with compensating plate in the pump housing.There are the following problems for this structure:
1, owing to Biaxial pilot seal dividing plate is zigzag, its transverse width dimension is relatively big, causes that its taking up room in working chamber is relatively big, thus reducing pump efficiency.
2, owing to Biaxial pilot seal dividing plate is irregularly shaped, two spindle nose is respectively provided in working chamber inwall and the pilot seal hole dangled on rotor and position lateral alternate, therefore processing and lubrication it are not easy to, easily abrasion, easily connected with low pressure chamber by the high pressure of Biaxial pilot seal dividing plate segmentation after abrasion, causing that pump efficiency and pressure decline simultaneously, service life is short.
3, on compensating plate, only it is evenly equipped with multiple shoulder hole at circumferencial direction, it does not possess unidirectional damming and back pressure function, generation gap between this compensating plate and rotor is easily made, thus reducing pressure and the lift of this transfiguration water pump under the promotion of the High-Pressure Water produced in the pump housing during work.
4, due on compensating plate without pressure relief, the High-Pressure Water produced in the pump housing during work is easily by the gap seepage of compensating plate Yu axis, thus reducing pressure and the lift of this transfiguration water pump further.
Summary of the invention
The technical problem to be solved is to provide one and is easy to processing and lubrication, not easy to wear, long service life, it is possible to increase the beat positive displacement high-pressure hydraulic pump of pump efficiency.
For solving the problems referred to above, 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 that is arranged on by eccentric shaft in the pump housing, the inlet opening and apopore that are arranged symmetrically with it is provided with in both sides, pump housing top, rotor periphery is tangent with the working chamber inwall of the pump housing, the rotor being positioned at the pump housing on eccentric shaft is symmetrically arranged on two with side plate, it is characterized in that: is provided with a feather key chute in the working chamber inwall upper end of the pump housing and is arranged with arc groove in feather key chute, in arc groove, it is respectively equipped with arch moving block, is coordinated by glade plane space between two moving blocks and be inserted with location feather key；Feather key lower end, described location is shaft-like and is inserted into by matched in clearance in the hole, location being located at rotor upper end, make location feather key can with rotor beat rotation certain angle, by positioning feather key and rotor, described working chamber is divided into higher-pressure region and low-pressure area；Radially it is provided with the oil filler point connected with feather key chute in pump housing upper center, location feather key is communicated with the oiling passage of feather key chute and hole, location.
As it is preferred that, in the pump housing, be positioned at feather key chute both sides snap in positioning seat on symmetrical two, described arc groove is symmetrically arranged on the opposite faces of two upper positioning seats, is positioned at feather key two ends, location and is provided with positioning seat sprue in described feather key chute.
As it is preferred that, described feather key chute be symmetrically arranged on two with the central angle arc-shaped slot more than 180 degree, described upper positioning seat and positioning seat sprue two ends be respectively clamped into correspondence arc-shaped slot in.
As it is preferred that, be provided with a locating slot in rotor periphery upper end and in locating slot, be installed with a lower positioning seat, hole, described location is located in the middle part of lower positioning seat and upper end open.
As it is preferred that, described eccentric shaft is arranged between the end cap of pump housing both sides by bearing, locating shoulder on described end cap is inserted respectively in the port of pump housing both sides and acts against outside side plate, and described rotor is arranged on the eccentric segment on eccentric shaft by needle bearing.
As it is preferred that, side plate end face outside is along the circumferential direction provided with arc tank, on side plate, corresponding pump housing apopore place is provided with L-type duct, L-type duct entrance is positioned at side plate outer rim and is connected by U-shaped gap I with the higher-pressure region of working chamber described in side plate interior sides, the outlet of L-type duct is positioned at arc tank, it is provided with elastic block piece near exit, L-type duct in arc tank, under the elastic force effect of elastic block piece, L-type duct is exported unidirectional blocking, back pressure district can be formed by arc tank, side plate is made to be close to rotor both sides, to improve sealing effectiveness, thus improving pressure and the lift of water pump.
As it is preferred that, on side plate, corresponding pump housing inlet opening place is radially provided with a backflow duct, backflow duct entrance connects with side plate centre bore, the outlet of return port road is positioned at side plate outer rim and is connected by U-shaped gap II with the low-pressure area of working chamber described in side plate interior sides, to avoid producing to reveal, improve pressure and lift further.
As it is preferred that, be along the circumferential direction evenly equipped with multiple lubrication hole respectively in two ends of rotor, in lubrication hole, be respectively fixed with the lubrication post being made up of self-lubricating material, lubrication post outer end is concordant with rotor end-face.
As it is preferred that, the material of the described pump housing is cast aluminium, is installed with the stator sliding sleeve being made up of self-lubricating material in pump housing working chamber, and stator sliding sleeve is stuck in described working chamber by the circle distribution multiple fan-deck card teeth in its outer rim, to alleviate pump housing weight, consequently facilitating fire-fighting uses.
As it is preferred that, the apopore of the described pump housing is connected to check valve.
As it is preferred that, described side plate end face outside is positioned at arc tank is inside and outside to be respectively provided on two sides with annular groove and install sealing ring.
The invention has the beneficial effects as follows:
1, owing to feather key top, location coordinates between two moving blocks of insertion by glade plane space, lower end is in shaft-like the hole, location being inserted rotor upper end by matched in clearance, therefore its transverse width dimension is less, high and low nip can be separated well, and location feather key taking up room in working chamber is only small, so that pump housing working chamber volume can be fully used, it is possible to be effectively improved pump efficiency.
2, owing to the equal profile of moving block, location feather key and feather key chute and hole, location is simple, processing therefore it is easy to；Owing to being provided with the oil filler point connected with feather key chute on the pump housing, location feather key is communicated with the oiling passage of feather key chute and hole, location, therefore, it is possible to the oil injecting lubricating realized between location feather key and moving block and rotor, high lubricating effect, mechanical wear is little, long service life.
3, form two revolute pairs by the arc groove in moving block and feather key chute, feather key lower end, location and hole, location, form a sliding pair by positioning feather key and two moving blocks, rotor beat can be made more nimbly and freely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 removes on the left of engine body end cover left part and rotor the left view after side plate in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 latus inframedium.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 3.
nullIn 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，Relief valve 7，Check valve 8，Location feather key 9，Oiling passage 901，Side plate 10，Arc tank 1001，Annular groove 1002，L-type duct 1003，Backflow duct 1004，U-shaped gap I 1005，U-shaped gap II 1006，Pump housing end cap 11，Bearing gland 12，Sealing ring 13，O RunddichtringO 14，Bolt 15，Bearing cap 16，Stator sliding sleeve 17，Rotor 18，Locating slot 1801，Needle bearing 19，Lubrication post 20，Bearing 21，Eccentric shaft 22，Oilhole 2201，Output gear 23，Input gear 24，Power 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.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of beat positive displacement high-pressure hydraulic pump that the present invention relates to, it is arranged on the rotor 18 in the pump housing 6 including the pump housing 6 with by eccentric shaft 22, the inlet opening 603 and apopore 604 that are arranged symmetrically with it is provided with in both sides, the pump housing 6 top, described eccentric shaft 22 is arranged between the end cap of the pump housing 6 both sides by bearing 21, rotor 18 lateral symmetry being positioned at the pump housing 6 on eccentric shaft 22 is set with side plate 10, side plate 10 centre bore and eccentric shaft 22 matched in clearance.Described end cap is divided into engine body end cover 4 and pump housing end cap 11 and is fixed on the pump housing 6 both sides respectively through bolt 15, locating shoulder on two end caps is inserted respectively in the port of the pump housing 6 both sides and acts against outside side plate 10, described rotor 18 is arranged on the eccentric segment on eccentric shaft 22 by needle bearing 19, one end, big footpath in rotor 18 centre bore has been threaded connection bearing cap 16, bearing cap 16 acts against on needle bearing 19, and rotor 18 outer rim is tangent with the working chamber inwall of the pump housing 6.
It is provided with a feather key chute 605 in the working chamber inwall upper end of the pump housing 6, it is symmetrically arranged on two with the central angle arc-shaped slot 607 more than 180 degree at feather key chute 605 and snaps in positioning seat 28 on symmetrical two by arc-shaped slot 607, two are arranged with arc groove on the opposite face of positioning seat 28, arch moving block 31 it is respectively equipped with in arc groove, coordinated by glade plane space between two moving blocks 31 and be inserted with location feather key 9, in described feather key chute 605, it is positioned at feather key 9 two ends, location is provided with positioning seat sprue 5, positioning seat sprue 5 two ends are snapped onto in the arc-shaped slot 607 of correspondence by interference fit.
It is provided with a locating slot 1801 in rotor 18 outer rim upper end and in locating slot 1801, is installed with a lower positioning seat 27, in the middle part of lower positioning seat 27, being provided with the hole, location of a upper end open.Feather key 9 lower end, described location is shaft-like and is inserted in hole, described location by matched in clearance, make location feather key 9 can with rotor 18 beat rotation certain angle, by positioning feather key 9 and rotor 18, described working chamber is divided into higher-pressure region 601 and low-pressure area 602.Radially it is provided with the oil filler point 606 connected with feather key chute 605 in the pump housing 6 upper center, oil filler point 606 has been threaded connection plug cock 29, location feather key 9 is communicated with the inverted " t " type oiling passage 901 of feather key chute 605 and hole, location.
Two revolute pairs are formed by described moving block 31 and upper positioning seat 28, location feather key 9 and lower positioning seat 27, a sliding pair is formed by positioning feather key 9 and two moving blocks 31, driven by eccentric shaft 22 and under the position-limiting action of described two revolute pairs and a sliding pair, make rotor 18 do beat motion in the working chamber of the pump housing 6.
As shown in Fig. 3～Fig. 5, described side plate 10 end face outside is along the circumferential direction provided with arc tank 1001, central angle corresponding to arc tank 1001 is 270 degree, on side plate 10, corresponding pump housing apopore 604 place is provided with L-type duct 1003, L-type duct 1003 entrance is positioned at side plate 10 outer rim and is connected by U-shaped gap I 1005 with the higher-pressure region 601 of described working chamber inside side plate 10, and L-type duct 1003 outlet is positioned at arc tank 1001.It is fixed with elastic block piece 32 near exit, L-type duct 1003 by screw 33 in arc tank 1001, under the elastic force effect of elastic block piece 32, L-type duct 1003 is exported unidirectional blocking, make current can only enter in arc tank 1001 by higher-pressure region 601, back pressure district can be formed by arc tank 1001, side plate 10 is made to be close to rotor 18 both sides, to improve sealing effectiveness, thus improving pressure and the lift of water pump.
On side plate 10, corresponding pump housing inlet opening 603 place is radially provided with a backflow duct 1004, backflow duct 1004 entrance connects with side plate 10 centre bore, the outlet of backflow duct 1004 is positioned at side plate 10 outer rim and is connected by U-shaped gap II 1006 with the low-pressure area 602 of described working chamber inside side plate 10, to avoid producing to reveal, improve pressure and lift further.Described side plate 10 end face outside is positioned at arc tank 1001 is inside and outside to be respectively provided on two sides with annular groove 1002 and be provided with O RunddichtringO 14.Being threadably secured alignment pin 34 in described side plate 10 end face outside, alignment pin 34 is inserted in the hole, location on the engine body end cover 4 of homonymy or pump housing end cap 11, for realizing the circumferential registration of side plate 10.
Along the circumferential direction being evenly equipped with multiple lubrication hole respectively at rotor 18 two ends, be respectively fixed with the lubrication post 20 being made up of self-lubricating material in lubrication hole, lubrication post 20 outer end is concordant with rotor 18 end face.
The material of the described pump housing is cast aluminium, the stator sliding sleeve 17 being made up of self-lubricating material it is installed with in pump housing working chamber, stator sliding sleeve 17 is stuck in described working chamber by the circle distribution multiple fan-deck card teeth in its outer rim, to alleviate pump housing weight, consequently facilitating fire-fighting uses.Described self-lubricating material is preferably politef.
Being threaded connection water supply connector 30 at inlet opening 603 place of the pump housing, be threaded connection check valve 8 on the apopore 604 of the pump housing, the exit end at check valve 8 has been threaded connection relief valve 7.It has been bolted bearing gland 12 at the centre bore external port place of pump housing end cap 11, it is centrally located at bearing gland 12 one end at eccentric shaft 22 and is provided with oilhole 2201, oilhole 2201 outer end has been threaded connection plug, oilhole 2201 is inner to be connected with the eccentric segment outer rim on eccentric shaft 22 by a radial hole, for realizing the lubrication of needle bearing 19.
It is positioned at inside the bearing on two end caps between eccentric shaft 22 and two end caps and is respectively equipped with sealing ring 13.Being connected by screw organism 1 outside the engine body end cover 4 of pump housing side, body 1 and engine body end cover 4 form an annular seal space.Body 1 overlaps bearing by two a piece power shaft 25 is installed, power shaft 25 is arranged with eccentric shaft 22 two ends coaxial line, it is fixed with input flange 26 in power shaft 25 outer end and is drawn by body 1, the corresponding end of the inner and described eccentric shaft 22 of power shaft 25 is inserted respectively in described annular seal space, a reducing gear 3 connecting power shaft 25 and eccentric shaft 22 it is provided with in this annular seal space, this reducing gear 3 is second gear reduction unit structure, for realizing the transmission that power shaft 25 arrives between eccentric shaft 22.The input gear 24 of described second gear reduction unit structure and output gear 23 are separately mounted to power shaft 25 and the end of eccentric shaft 22, and Jie's axle 2 two ends of second gear reduction unit structure are arranged in body 1 and engine body end cover 4 respectively through bearing.
During work, the input flange 26 of this beat positive displacement high-pressure hydraulic pump is connected transmission with engine output end by centrifugal clutch.By driven by engine power shaft 25 high speed rotating, drive eccentric shaft 22 to rotate after reducing gear 3 slows down, make the eccentric segment on eccentric shaft 22 make eccentric rotary in the pump housing.Driven by eccentric shaft 22 and under the position-limiting action of described two revolute pairs and a sliding pair, rotor 18 is made to do beat motion in the working chamber of the pump housing, with the pump housing working chamber inwall linear contact lay during rotor 18 beat, coordinate location feather key 9 that pump housing working chamber is divided into high pressure chest and the low pressure chamber that volume is continually changing simultaneously, moved by the beat of rotor and current are constantly sucked low pressure chamber by inlet opening 603, more constantly clamp-on high pressure chest and discharged by apopore 604 and check valve 8.
Rotor constantly extrudes the current entered by pump housing inlet opening 603 in the pump housing during beat, water after generation high pressure flows through U-shaped gap I 1005, L-type duct 1003 is backed down elastic block piece 32 and entered in arc tank 1001, forming back pressure in arc tank 1001 makes this side plate 10 pressure at both sides balance, side plate 10 is made to be close to rotor both sides, therefore the good sealing effect of working chamber in the pump housing, it is possible to be effectively improved pressure and the lift of water pump.During work, a small amount of water under high pressure of rotor both sides and side plate 10 gap seepage returned to the low-pressure area 602 of described working chamber by backflow duct 1004 and U-shaped gap II 1006, reenter circulation, High-Pressure Water can be prevented effectively from and reveal along eccentric shaft 22 gap.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (10)
1. a beat positive displacement high-pressure hydraulic pump, including the pump housing and the rotor that is arranged on by eccentric shaft in the pump housing, the inlet opening and apopore that are arranged symmetrically with it is provided with in both sides, pump housing top, rotor periphery is tangent with the working chamber inwall of the pump housing, the rotor being positioned at the pump housing on eccentric shaft is symmetrically arranged on two with side plate, it is characterized in that: be provided with a feather key chute in the working chamber inwall upper end of the pump housing and be arranged with arc groove in feather key chute, in arc groove, it is respectively equipped with arch moving block, is coordinated by glade plane space between two moving blocks and be inserted with location feather key；Feather key lower end, described location is shaft-like and is inserted into by matched in clearance in the hole, location being located at rotor upper end, make location feather key can with rotor beat rotation certain angle, by positioning feather key and rotor, described working chamber is divided into higher-pressure region and low-pressure area；Radially it is provided with the oil filler point connected with feather key chute in pump housing upper center, location feather key is communicated with the oiling passage of feather key chute and hole, location.
2. beat positive displacement high-pressure hydraulic pump according to claim 1, it is characterized in that: in the pump housing, be positioned at feather key chute both sides snap in positioning seat on symmetrical two, described arc groove is symmetrically arranged on the opposite face of two upper positioning seats, is positioned at feather key two ends, location and is provided with positioning seat sprue in described feather key chute.
3. beat positive displacement high-pressure hydraulic pump according to claim 2, is characterized in that: be symmetrically arranged on two with in the arc-shaped slot that the central angle arc-shaped slot more than 180 degree, described upper positioning seat and positioning seat sprue two ends are respectively clamped into correspondence at described feather key chute.
4. beat positive displacement high-pressure hydraulic pump according to claim 1, is characterized in that: being provided with a locating slot in rotor periphery upper end and be installed with a lower positioning seat in locating slot, hole, described location 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: described eccentric shaft is arranged between the end cap of pump housing both sides by bearing, locating shoulder on described end cap is inserted respectively in the port of pump housing both sides and acts against outside side plate, and described rotor is arranged on the eccentric segment on eccentric shaft by needle bearing.
6. beat positive displacement high-pressure hydraulic pump according to claim 1 or 5, it is characterized in that: in side plate end face outside, be along the circumferential direction provided with arc tank, on side plate, corresponding pump housing apopore place is provided with L-type duct, L-type duct entrance is positioned at side plate outer rim and is connected by U-shaped gap I with the higher-pressure region of working chamber described in side plate interior sides, the outlet of L-type duct is positioned at arc tank, it is provided with elastic block piece near exit, L-type duct in arc tank, under the elastic force effect of elastic block piece, L-type duct is exported unidirectional blocking, back pressure district can be formed by arc tank, side plate is made to be close to rotor both sides.
7. beat positive displacement high-pressure hydraulic pump according to claim 6, it is characterized in that: on side plate, corresponding pump housing inlet opening place is radially provided with a backflow duct, backflow duct entrance connects with side plate centre bore, the outlet of return port road is positioned at side plate outer rim and is connected by U-shaped gap II with the low-pressure area of working chamber described in side plate interior sides, to avoid producing to reveal, improve pressure and lift further.
8. the beat positive displacement high-pressure hydraulic pump according to claim 1 or 4 or 5, it is characterized in that: be along the circumferential direction evenly equipped with multiple lubrication hole respectively in two ends of rotor, being respectively fixed with the lubrication post being made up of self-lubricating material in lubrication hole, lubrication post outer end is concordant with rotor end-face.
9. beat positive displacement high-pressure hydraulic pump according to claim 1 and 2, it is characterized in that: the material of the described pump housing is cast aluminium, being installed with the stator sliding sleeve being made up of self-lubricating material in pump housing working chamber, stator sliding sleeve is stuck in described working chamber by the circle distribution multiple fan-deck card teeth in its outer rim.
10. beat positive displacement high-pressure hydraulic pump according to claim 9, is characterized in that: be connected to check valve on the apopore of the described pump housing.
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 |
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| Publication Number | Publication Date |
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| CN105804993A true CN105804993A (en) | 2016-07-27 |
| CN105804993B CN105804993B (en) | 2017-11-24 |
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| 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 |
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Cited By (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 |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 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 |
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| 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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05202874A (en) * | 1991-09-24 | 1993-08-10 | Daikin Ind Ltd | 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 |
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Cited By (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 |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 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 |
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| Publication number | Publication date |
|---|---|
| CN105804993B (en) | 2017-11-24 |
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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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