CN203847402U - Plunger type hydraulic motor pump with front-arranged pump integrated inside - Google Patents
Plunger type hydraulic motor pump with front-arranged pump integrated inside Download PDFInfo
- Publication number
- CN203847402U CN203847402U CN201420227364.9U CN201420227364U CN203847402U CN 203847402 U CN203847402 U CN 203847402U CN 201420227364 U CN201420227364 U CN 201420227364U CN 203847402 U CN203847402 U CN 203847402U
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- cylinder body
- plunger
- pump
- mounted pump
- bearing
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- Withdrawn - After Issue
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Abstract
The utility model discloses a plunger type hydraulic motor pump with a front-arranged pump integrated inside. The plunger type hydraulic motor pump with the front-arranged pump integrated inside comprises a motor rotor, a cylinder body, a plurality of plungers, an inclined disc assembly, a flat valve assembly, a front-arranged pump assembly, bearings and a thrust collar, wherein step shafts are arranged at the two ends of the cylinder body, water outlet ends are mounted at the ends of the step shafts, water outlet through holes designed in the step shafts are communicated with water outlets formed in the water outlet ends, the two step shafts are embedded in the bearings distributed symmetrically in a sleeved mode, the thrust collar is mounted on the step shaft at one end and is embedded in a bearing seat and the corresponding water outlet end, the front-arranged pump assembly is integrally mounted in a water inlet flow channel in one end of the cylinder body, a front-arranged pump is communicated with a plunger cavity through a flat valve, and working media are pressurized in the plunger cavity and then are discharged from the two water outlet ends. According to the plunger type hydraulic motor pump with the front-arranged pump integrated inside, the heat dissipating performance is excellent, rotation is carried out at high speed without air pockets, vibration and noise are small, and the working media can be water or oil.
Description
Technical field
The utility model relates to electric-motor pump, relates in particular to the axial plunger type hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside, solves electric-motor pump suction performance, heat dispersion deficiency and the single problem of working medium.
Background technique
Plunger hydraulic electric-motor pump is a kind of Hydraulic power units of new structure, it is by drive motor, two independent original papers of axial piston pump are integrated structure, compare with traditional dynamical element, and it has, and volume is little, compact structure, specific power large and there is no the advantages such as external leakage.
Solve air pocket and vibration when high of electric-motor pump internal heat dissipating, electric-motor pump rotating speed, the problem such as working medium is single is that plunger hydraulic electric-motor pump those skilled in the art's research is sent to.Application number is that 200710305961.3 Chinese patent discloses a kind of hydraulic engine plunger pump, drive motor, vane pump and centrifugal pump are integrated in one, the front-mounted pump that wherein centrifugal pump is motor-driven vane pump, on the one hand, it has improved the inlet pressure of hydraulic vane pump, has improved because of problems such as the not enough caused noise of oil suction, vibration and air pockets; On the other hand, preposition centrifugal pump has also strengthened the inner oil circulation of electric-motor pump, contributes to a certain extent heat radiation, and still, the working medium of this pump is single, only applicable oily, and its heat dissipation potential cannot meet usage requirement in the time of motor High Rotation Speed.
Model utility content
The utility model discloses the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside, and its heat dispersion is excellent, and working medium is the working medium that oil, water or other hydraulic systems adopt.
The plunger hydraulic electric-motor pump of realizing the integrated front-mounted pump in a kind of inside of the utility model object, comprises,
Be fixed on the stator in shell, coaxial sleeve is located in described stator and the rotor that can rotate to it, in this rotor, coaxial sleeve is provided with the cylinder body that can synchronously rotate with it, cylinder body two ends are symmetrically distributed with two Step Shafts, in two Step Shafts, have through hole, a plurality of plunger piston slippery boots assemblies, wherein each plunger piston slippery boots assembly comprises the plunger that is contained in the plunger cavity that is positioned in described cylinder body both ends of the surface and can relatively moves back and forth, the return plate of arranging with respect to end slope and being arranged on described cylinder body and suction valve assembly and the delivery valve assembly corresponding with each plunger assembly respectively, suction valve is circulated and is communicated with the external world by water inlet, delivery valve communicates with the external world by two Step Shaft inner via holes, to be respectively used to working medium, to suck cylinder body and flow out cylinder body, described cylinder body is with driving the described plunger in each plunger piston slippery boots assembly to move back and forth in plunger cavity under the effect of return plate in the rotation of rotor, thereby alternately change plunger cavity internal pressure, corresponding suction valve and asxpirating valve are are alternately opened and closed, thereby realize, working medium is sucked to cylinder body and flow out from cylinder body, it is characterized in that:
Described working medium is to flow out from cylinder body through waterexit end, this waterexit end is symmetrically distributed in two Step Shaft ends, respectively the first waterexit end and the second waterexit end, two waterexit ends are all communicated with the plunger cavity of cylinder ends, in two waterexit ends, be respectively equipped with the first water outlet and the second water outlet, two water outlets are with the cylinder body Step Shaft that has a through hole by mechanical connection, and in plunger cavity, working medium is flowed through after the through hole of cylinder body Step Shaft and flowed out from two water outlets by delivery valve;
Described cylinder body is provided with cylinder body in the end communicating with water inlet flow channel synchronizes the front-mounted pump assembly rotating, this front-mounted pump assembly is communicated with suction valve and plunger cavity by water inlet flow channel, wherein, this front-mounted pump assembly has front-mounted pump, this front-mounted pump comprises guide wheel and centrifugal impeller, described guide wheel is circumferentially fixed and forms along cylinder periphery by a plurality of axial blades and a plurality of stator, and axial blade and stator are adjacent on the axial position of cylinder, described centrifugal impeller is nested in the periphery of described cylinder one end and fixes with it, it has several radial blades, flow through pressure and flow after the axial blade of guide wheel of rotation and the radial blade of stator and centrifugal impeller of fluid in water inlet flow channel increases, enter fast suction valve, promote cylinder body suction performance, be conducive to plunger backhaul simultaneously.
Further, the first described water outlet and the second water outlet center line overlap with the center line of cylinder body Step Shaft through hole.
Further, described front-mounted pump assembly also comprises the first impeller cover and the second impeller cover, be the first impeller cover cylindraceous and be fixed on cylinder body inner side, and be set on the axial blade and stator of guide wheel, the second impeller cover is tightly connected mutually with the first impeller cover, the second impeller cover wraps the blade of centrifugal impeller and fixes with blade, an end face of the cylinder of described guide wheel connects by face gear with the corresponding end face of the second impeller cover, another end face of the cylinder of described guide wheel is connected on the ball pivot that is fixed on cylinder ends Step Shaft by mechanical parts.
Further, two Step Shafts at described cylinder body two ends are nested in respectively in symmetrical clutch shaft bearing and the second bearing, and two bearings is supported in respectively the first end cap and the second end cap by symmetrical clutch shaft bearing seat and the second bearing block.
Further, two described bearings are sliding bearing or rolling bearing, and described sliding bearing material is macromolecule, is preferably resin material, between two bearings and Step Shaft, be Spielpassung, the sliding bearing of employing resin material can better improve the vibration of cylinder body.
Further, described second step axle or second step shaft end are fixed with thrust button, for preventing that cylinder body from moving axially.
Further, described thrust button comprises several friction disks and thrust disc, wherein two friction disks are symmetrically distributed in a slice thrust disc both ends of the surface, form Yi Ge working group, several working groups take Step Shaft center and are equally distributed on symmetrically on same circumference as round dot, the friction disk of thrust disc one end face is embedded in the uniform hole of the second bearing support, and the friction disk of other end is embedded in the uniform hole of the second waterexit end.
Further, described rotor outside is provided with housing, and described rotor inner side is provided with rotor seal cover, for working medium and rotor are kept apart, realize the insulation of rotor, when rotor insulation, working medium can be oil, water and other hydraulic mediums.
Compare with the plunger type electric-motor pump of background technique, the utlity model has following outstanding advantages:
1. a kind of built-in front-mounted pump plunger hydraulic electric-motor pump described in the utility model adopts the fuel-displaced mode of cylinder body both ends of the surface, effectively takes away the heat that motor produces, and obtains excellent heat dispersion.
2. a kind of built-in front-mounted pump plunger hydraulic electric-motor pump described in the utility model, in suction passage, add front-mounted pump, can increase the inlet pressure of suction valve, improve the suction performance of electric-motor pump, and can improve the suction chamber pressure of plunger in suction process, be conducive to plunger backhaul.
3. a kind of built-in front-mounted pump plunger hydraulic electric-motor pump described in the utility model, adopts bearings cylinder body, makes in the rotary course of cylinder body vibration less.
4. a kind of built-in front-mounted pump plunger hydraulic electric-motor pump described in the utility model, utilizes thrust button to stop electric-motor pump to move axially in rotor, makes in rotary course vibration and noise less.
5. a kind of built-in front-mounted pump plunger hydraulic electric-motor pump described in the utility model, rotor outside is provided with housing, and rotor inner side is provided with rotor seal cover, and motor and working medium are kept apart, and working medium can be insulation or uninsulated.
Accompanying drawing explanation
Fig. 1 the utility model embodiment's inside is integrated with the plunger hydraulic electric-motor pump plan view of front-mounted pump;
Fig. 2 the utility model embodiment's inside is integrated with the plunger hydraulic electric-motor pump left view of front-mounted pump;
The 3-D view of Fig. 3 the utility model embodiment's front-mounted pump;
Fig. 4 the utility model embodiment's front-mounted pump guide wheel plan view;
Fig. 5 the utility model embodiment's front-mounted pump centrifugal impellers blades distribution view;
Fig. 6 the utility model embodiment's inside is integrated with the inner liquid road figure of plunger hydraulic electric-motor pump of front-mounted pump;
Fig. 7 the utility model embodiment's thrust disc distribution view.
In institute's drawings attached, the technical characteristics of identical reference character TYP, wherein,
1 first end cap 2 locating stud 3 clutch shaft bearing seats
4 sliding bearing 5 mechanical seal 6 first waterexit ends
7 first swash plate 8 housing 9 first return plates
10 plunger piston slippery boots assembly 11 rotor seal cover 12 first impeller covers
13 suction valve 14 delivery valve 15 rotors
16 motor stator 17 Outgoing Line Unit 18 shells
19 second end cap 20 housing pressing plate 21 second swash plates
22 second bearing support 23 friction disk 24 thrust discs
25 second waterexit end 26 ball pivot 27 second return plates
28 cylinder body 29 second impeller cover 30 centrifugal impellers
31 stator 32 axial blade β
1centrifugal impeller inlet angle
β
2centrifugal impeller exit angle.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in described the utility model mode of execution, involved technical characteristics just can not combine mutually as long as do not form each other conflict.
A kind of inside that Fig. 1,2 is respectively the utility model embodiment is integrated with plan view and the left view of the plunger hydraulic electric-motor pump of front-mounted pump.Motor stator 16 is arranged in shell 18, rotor 15 is arranged in motor stator 16, adopt key that cylinder body 28 is connected in rotor 15, cylinder body 28 two ends have the Step Shaft that inside has through hole, two Step Shafts are nested in two sliding bearings, by sliding bearing, supported, sliding bearing is embedded in respectively in clutch shaft bearing seat 3 and the second bearing support 22, use screw respectively clutch shaft bearing seat 3 and the second bearing support 22 to be fixed on the first end cap 1 and the second end cap 19, with screw, the first end cap 1 and the second end cap 19 are fixed on shell 18.On 10, one plunger piston slippery boots assemblies 10 of the symmetrical a plurality of plunger piston slippery boots assemblies in cylinder body two ends, a plunger is installed, every two symmetrical plungers form a pair of plunger pair, wherein, plunger can be 22, i.e. 11 pairs of plungers pair, but the utility model does not limit number of plungers.Cylinder body 28 inside are provided with individual symmetry and the plunger cavity that is interconnected, the similar eye shape of connected pore channel shape of cross section, plunger cavity is embedded with plunger bushing, rotor 15 drives cylinder body 28 to rotate, make plunger in plunger cavity, do linear reciprocating motion under the first return plate 9 and the second return plate 27 effects, plunger and plunger cavity are Spielpassung.Plunger piston slippery boots assembly 10 is by the first return plate 9, the second return plate 27 and be distributed in the ball pivot at cylinder body two ends and the first swash plate 7 and the second swash plate 21 laminatings, ball pivot withstands the first return plate 9 and the second return plate 27 under the effect of retracting spring part, the first swash plate 7 and the second swash plate 21 carry out axial restraint by locating stud, prevent that sloping tray axial from moving.Cylinder body 28 inside are provided with the delivery valve 14 that the suction valve 13 that communicates with plunger cavity and plunger cavity communicate, and a plunger piston slippery boots assembly 10 corresponding suction valve 13 and delivery valves 14 of every a pair of symmetry, enter cylinder body 28 and discharge cylinder body 28 for working medium.
On clutch shaft bearing seat 3 in the utility model embodiment, have water inlet, it is communicated with the flow channels hole having on the first swash plate 7, this flow channels hole is communicated with the flowing hole having on the first return plate 9, and the flowing hole having on the flow channels hole having on the water inlet having on clutch shaft bearing seat 3, the first swash plate 7 and the first return plate 9 forms water inlet flow channel jointly.
In the present embodiment, cylinder body 28 is provided with cylinder body and synchronizes the front-mounted pump assembly rotating in the end communicating with water inlet flow channel, this front-mounted pump assembly is communicated with suction valve 13 and plunger cavity by water inlet flow channel, front-mounted pump assembly has front-mounted pump, in the utility model embodiment, the 3-D view of front-mounted pump as shown in Figure 3, comprise guide wheel and centrifugal impeller 30, guide wheel is circumferentially welded and forms along cylinder periphery by 11 axial blades 32 and 11 stators 31, and axial blade 32 and stator 31 are adjacent on the axial position of cylinder, in the utility model embodiment, guide wheel plan view as shown in Figure 4, but the number to axial blade 32 and stator 32 in the utility model, shape, size and not limiting at the particular location of cylinder periphery, centrifugal impeller 30 is nested in the periphery of cylinder one end and fixes with it, there are 11 radial blades, in the present embodiment, centrifugal impellers blades distribution view as shown in Figure 5, but the blade number to centrifugal impeller in the utility model, shape and structure, size and location are arranged and are not limited, flow through pressure and flow after the axial blade 32 of guide wheel that rotates with cylinder body and the radial blade of stator 31 and centrifugal impeller 30 of fluid in water inlet flow channel increases, enter fast suction valve 13, increased the inlet capacity of pump, improve the suction chamber pressure of plunger in suction process simultaneously, be conducive to plunger backhaul.
In the present embodiment, front-mounted pump assembly also comprises the first impeller cover 12 and the second impeller cover 29, be the first impeller cover 12 cylindraceous and be fixed by screws in cylinder body 28 inner sides, be set on the axial blade 32 and stator 31 of guide wheel simultaneously, and and axial blade 32 and 31 of stators there is micro-gap, the second impeller cover 29 and the first impeller cover 12 are fixedly connected, the second impeller cover 29 is welded on the blade of centrifugal impeller 30 and is wrapped, be connected by screw with cylinder body 28 simultaneously, the right side of the cylinder of guide wheel connects by face gear with the corresponding end face of the second impeller cover 29, withstand on the ball pivot that is fixed on cylinder body 28 end Step Shafts by spring the left side of the cylinder of guide wheel.
In the present embodiment, working medium, after water inlet flow channel enters plunger cavity, is improved in the effect downforce of plunger, then by delivery valve assembly 14, enters into the first waterexit end 6 and the second waterexit end 25 is discharged.In the utility model embodiment, working medium Ye road figure as shown in Figure 6.
In first waterexit end 6 of the present embodiment and the second waterexit end 25, have first, second water outlet, mouth of a river shape is cylinder hole, cylinder hole center line overlaps with cylinder body Step Shaft through hole center line, with screw, the first waterexit end 6 and the second waterexit end 25 are installed respectively on clutch shaft bearing seat 3 and the second bearing support 22, with mechanical seal, the first waterexit end 6 and the second waterexit end 25 are connected in respectively to two Step Shaft ends of cylinder body, make two water outlets and Step Shaft through hole sealing docking, working medium flows into Step Shaft through hole and discharges from two water outlets in plunger cavity.
Sliding bearing symmetry in the present embodiment is nested on the Step Shaft of cylinder body two ends, and in the utility model embodiment, Fig. 1 has only indicated the sliding bearing 4 of cylinder body one end, and the sliding bearing of the cylinder body the other end does not go out with figure denote.Sliding bearing can be inner ring fluting or not shaped grooved, material is PEEK, it is polyether-ether-ketone resin, this material has that bearing capacity is large, high wear resistance and the advantage such as the life-span is long, sliding bearing and cylinder body 28 Step Shafts are Spielpassung, this cooperation can produce hydrodynamic lubrication, can reduce the vibration and noise of electric-motor pump integral body.
Thrust button in the present embodiment, is connected with cylinder body Step Shaft with key, and is fixed on cylinder body Step Shaft by card cap, and thrust button is comprised of 8 thrust discs 24 and 16 friction disks 23, but the utility model does not limit thrust disc and friction disk number.Thrust disc distributes as shown in Figure 7, and to take cylinder body Step Shaft center be round dot for 8 thrust discs 24, symmetrically and equidistant being distributed on same circumference.A thrust disc 24 and a pair of friction disk 23 form Yi Ge working group, two friction disks 23 are fitted with thrust disc 24 both ends of the surface, the friction disk 23 of thrust disc 24 1 end faces is embedded in the uniform hole of the second bearing support 22, and the friction disk of other end is embedded in the uniform hole on the second waterexit end 25.Friction disk material is PEEK, and thrust button can stop cylinder body 28 moving axially in rotor, has reduced the wearing and tearing of outlet port mechanical seal, simultaneously compared with the vibration of little cylinder body, has reduced noise.
The motor housing 8 of the present embodiment, by housing pressing plate 20, be fixed on the second end cap 19, motor housing 8 and 11 synergy of rotor seal cover, isolate working medium and rotor 15, make working medium can be oil or water, or the working medium of other hydraulic pressure installation employings.
A kind of inside of the present embodiment is integrated with the plunger hydraulic electric-motor pump of front-mounted pump, and its working procedure is:
While giving motor stator 16 energising by Outgoing Line Unit 17, rotor 15 drives with it and rotates together with the cylinder body 28 that key connects, plunger cavity on cylinder body 28 drives plunger piston slippery boots assembly 10 to rotate, under the effect of ball pivot and return plate 9 and 27, plunger does reciprocating linear motion in plunger cavity, while producing negative pressure in plunger cavity, suction valve 13 is opened, when delivery valve 14 cuts out, enter water suction stroke, water inlet first swash plate 7 flow channels holes and first return plate 9 flowing holes of working medium from clutch shaft bearing seat 3 enter front-mounted pump assembly, front-mounted pump assembly is with cylinder body 28 rotations, working medium is through preposition pump shaft stream blade 32, stator 31 and centrifugal impeller 30, its speed and pressure are improved, flow to suction valve 13, enter plunger cavity, under plunger piston slippery boots assembly 10 effects, pressure further improves, plunger cavity internal pressure is opened delivery valve 14, suction valve 13 cuts out, working medium flows out from the water outlet of the first waterexit end 6 and the second waterexit end 25 after flowing into respectively cylinder body Step Shaft through hole by delivery valve 14, for follow-up hydraulic system provides power.
In the utility model, be designed with two water outlets, can make the heat diffusion area of the High Temperature High Pressure working medium that is extruded increase, can take away the more heats of the pump housing, make it to there is excellent heat dispersion.
In the utility model, adopt thrust button and sliding bearing, effectively prevent that cylinder body Step Shaft from moving axially, reduce vibration and noise in work, improved because vibration causes the wearing and tearing for mechanical sealing element.
In the utility model, adopt flow and the pressure of front-mounted pump raising working medium, the suction performance of the electric-motor pump of raising, and can improve the suction chamber pressure of plunger in suction process, be conducive to plunger backhaul.
The above embodiment has only expressed mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for a person skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a plunger hydraulic electric-motor pump for the integrated front-mounted pump in inside, comprising:
Be fixed on the stator (16) in shell;
Coaxial sleeve is located in described stator and the rotor (15) that can rotate to it, and in this rotor, coaxial sleeve is provided with the cylinder body (28) that can synchronously rotate with it, and cylinder body two ends are symmetrically distributed with two Step Shafts, in two Step Shafts, have through hole;
A plurality of plunger piston slippery boots assemblies (10), wherein each plunger piston slippery boots assembly comprises the plunger that is contained in the plunger cavity that is positioned in described cylinder body both ends of the surface and can relatively moves back and forth, the return plate (9 of arranging with respect to end slope, 27) and be arranged on described cylinder body and suction valve assembly (13) and the delivery valve assembly (14) corresponding with each plunger assembly respectively, suction valve is circulated and is communicated with the external world by water inlet, delivery valve communicates with the external world by Step Shaft inner via hole, to be respectively used to working medium, to suck cylinder body and flow out cylinder body, described cylinder body is with driving described plunger in each plunger piston slippery boots assembly (10) at return plate (9 in the rotation of rotor, 27) under effect, in plunger cavity, move back and forth, thereby alternately change plunger cavity internal pressure, corresponding suction valve and asxpirating valve are are alternately opened and closed, thereby realize, working medium is sucked to cylinder body and flow out from cylinder body, it is characterized in that:
Described working medium is to flow out from cylinder body through waterexit end, this waterexit end is symmetrically distributed in two Step Shaft ends, respectively the first waterexit end (6) and the second waterexit end (25), two waterexit ends are all communicated with the plunger cavity of cylinder ends, in two waterexit ends, be respectively equipped with the first water outlet and the second water outlet, two water outlets are with the cylinder body Step Shaft that has a through hole by mechanical connection, and in plunger cavity, working medium is flowed through after the through hole of cylinder body Step Shaft and flowed out from two water outlets by delivery valve;
Described cylinder body (28) is provided with cylinder body in the end communicating with water inlet flow channel synchronizes the front-mounted pump assembly rotating, this front-mounted pump assembly is communicated with suction valve and plunger cavity by water inlet flow channel, wherein, this front-mounted pump assembly has front-mounted pump, this front-mounted pump comprises guide wheel and centrifugal impeller (30), described guide wheel is circumferentially fixed and forms along cylinder periphery by a plurality of axial blades (32) and a plurality of stator (31), and axial blade (32) and stator (31) are adjacent on the axial position of cylinder, described centrifugal impeller (30) is nested in the periphery of described cylinder one end and fixes with it, it has several radial blades, pressure and the flow increase after the axial blade (32) of guide wheel of rotation and the radial blade of stator (31) and centrifugal impeller (30) of flowing through of fluid in water inlet flow channel, can enter fast suction valve, promote cylinder body suction performance, improve the suction chamber pressure of plunger in suction process simultaneously, be conducive to plunger backhaul.
2. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 1, is characterized in that, the first described water outlet and the second water outlet center line overlap with the center line of cylinder body Step Shaft through hole.
3. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 1, it is characterized in that, described front-mounted pump assembly also comprises the first impeller cover (12) and the second impeller cover (29), be the first impeller cover cylindraceous (12) and be fixed on cylinder body (28) inner side, and be set on the axial blade (32) and stator (31) of guide wheel, the second impeller cover (29) is tightly connected mutually with the first impeller cover (12), the second impeller cover (29) wraps the blade of centrifugal impeller (30) and fixes with blade, an end face of the cylinder of described guide wheel connects by face gear with the corresponding end face of the second impeller cover (29), another end face of the cylinder of described guide wheel is connected on the ball pivot that is fixed on cylinder body (28) end Step Shaft by mechanical parts.
4. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as described in claim 1, two Step Shafts at described cylinder body two ends are nested in respectively in symmetrical clutch shaft bearing and the second bearing, and described clutch shaft bearing and the second bearing are supported in respectively on the first end cap (1) and the second end cap (19) by symmetrical clutch shaft bearing seat (3) and the second bearing support (22) respectively.
5. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 4, is characterized in that, described clutch shaft bearing and the second bearing are sliding bearing or rolling bearing, between two bearings and two Step Shafts, is Spielpassung.
6. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 5, is characterized in that, described sliding bearing material is macromolecular material.
7. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 4, is characterized in that, the Step Shaft end in described the second bearing is fixed with thrust button, for preventing that cylinder body from moving axially.
8. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as claimed in claim 7, it is characterized in that, described thrust button comprises several friction disks (23) and thrust disc (24), wherein two friction disks (23) are symmetrically distributed in a slice thrust disc (24) both ends of the surface, form Yi Ge working group, several working groups take Step Shaft center and are equally distributed on symmetrically on same circumference as round dot, the friction disk (23) of thrust disc (24) one end faces is embedded in the uniform hole of the second bearing support (22), and the friction disk of other end (23) is embedded in the uniform hole of the second waterexit end (25).
9. the plunger hydraulic electric-motor pump of the integrated front-mounted pump in a kind of inside as described in any one in claim 1-8, it is characterized in that, described rotor outside is provided with housing (8), described rotor inner side is provided with rotor seal cover (11), for working medium and rotor are kept apart, realize the insulation of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227364.9U CN203847402U (en) | 2014-05-06 | 2014-05-06 | Plunger type hydraulic motor pump with front-arranged pump integrated inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227364.9U CN203847402U (en) | 2014-05-06 | 2014-05-06 | Plunger type hydraulic motor pump with front-arranged pump integrated inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847402U true CN203847402U (en) | 2014-09-24 |
Family
ID=51560427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227364.9U Withdrawn - After Issue CN203847402U (en) | 2014-05-06 | 2014-05-06 | Plunger type hydraulic motor pump with front-arranged pump integrated inside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847402U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967802A (en) * | 2014-05-06 | 2014-08-06 | 华中科技大学 | Plunger type hydraulic motor pump internally integrated with front-mounted pump |
| CN105179192A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Electric hydraulic ring-plug pump |
| CN114837935A (en) * | 2022-04-13 | 2022-08-02 | 中国人民解放军海军工程大学 | Compact electric liquid pump |
-
2014
- 2014-05-06 CN CN201420227364.9U patent/CN203847402U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967802A (en) * | 2014-05-06 | 2014-08-06 | 华中科技大学 | Plunger type hydraulic motor pump internally integrated with front-mounted pump |
| CN103967802B (en) * | 2014-05-06 | 2016-06-29 | 华中科技大学 | A kind of plunger hydraulic electric-motor pump being internally integrated fore pump |
| CN105179192A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Electric hydraulic ring-plug pump |
| CN105179192B (en) * | 2015-09-06 | 2017-01-04 | 哈尔滨工业大学 | Ring plug electric liquid pump |
| CN114837935A (en) * | 2022-04-13 | 2022-08-02 | 中国人民解放军海军工程大学 | Compact electric liquid pump |
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