CN108119297B - A kind of hydraulic motor casing and hydraulic motor - Google Patents

A kind of hydraulic motor casing and hydraulic motor Download PDF

Info

Publication number
CN108119297B
CN108119297B CN201711124523.7A CN201711124523A CN108119297B CN 108119297 B CN108119297 B CN 108119297B CN 201711124523 A CN201711124523 A CN 201711124523A CN 108119297 B CN108119297 B CN 108119297B
Authority
CN
China
Prior art keywords
hydraulic fluid
fluid port
oil pocket
stator
opening
Prior art date
Application number
CN201711124523.7A
Other languages
Chinese (zh)
Other versions
CN108119297A (en
Inventor
罗升
方敏
洪威
吴建磊
赵天梁
Original Assignee
武汉船用机械有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉船用机械有限责任公司 filed Critical 武汉船用机械有限责任公司
Priority to CN201711124523.7A priority Critical patent/CN108119297B/en
Publication of CN108119297A publication Critical patent/CN108119297A/en
Application granted granted Critical
Publication of CN108119297B publication Critical patent/CN108119297B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00Rotary-piston engines
    • F03C2/30Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F03C2/304Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movements defined in sub-group F03C2/08 or F03C2/22 and relative reciprocation between members

Abstract

The invention discloses a kind of hydraulic motor casing and hydraulic motors, belong to hydraulic motor field.The hydraulic motor casing includes external shell and stator, on external shell there is hydraulic fluid port to arrange area, radial partition is provided on stator, oil pocket arrangement is distinguished and is divided into the first annular configuration area and the second annular configuration area by radial partition, stator, oil pocket partition is provided between radial partition and external shell, the differentiation of the first annular configuration is divided into the first oil pocket, second oil pocket and third oil pocket, the differentiation of second annular configuration is divided into the 4th oil pocket, 5th oil pocket and the 6th oil pocket, each opening is connected to by oil pocket with hydraulic fluid port respectively, it is fuel-displaced by three hydraulic fluid port oil inlets, three hydraulic fluid ports, operate hydraulic motor set solid amount, the discharge capacity of hydraulic motor can be reduced by two hydraulic fluid port oil inlets.The first oil pocket symmetrically can make the operating of hydraulic motor more steady with the 4th oil pocket, the second oil pocket and the 6th oil pocket, third oil pocket and orthographic projection of the 5th oil pocket on radial partition simultaneously.

Description

A kind of hydraulic motor casing and hydraulic motor

Technical field

The present invention relates to hydraulic motor field, in particular to a kind of hydraulic motor casing and hydraulic motor.

Background technique

Hydraulic motor is a kind of executive component of hydraulic system, and the liquid pressure energy that it can provide hydraulic pump is changed into liquid The mechanical energy of the output shaft of pressure motor makes hydraulic motor be able to drive equipment rotation.

Vane motor is a kind of common hydraulic motor, and the rotor of vane motor is arranged in the stator, Multiple blades that can radially stretch are provided on rotor, the edge of blade is bonded on the inner wall of the stator, due to stator The radius of multistage first surface and multistage second curved surface of the inner wall with circumferentially alternating interval, first surface and the second curved surface is not Together, it is connected between adjacent first surface and the second curved surface by fillet surface, opening is provided on fillet surface, high pressure oil is logical It crosses outs open and enters stator, blade is pushed, so that rotor be driven to rotate.

The working method of existing vane motor is single, it is difficult to meet the needs of different operating occasion.

Summary of the invention

In order to which the working method for solving existing vane motor is single, it is difficult to meet the needs of different operating occasion The problem of, the embodiment of the invention provides a kind of hydraulic motor casing and hydraulic motors.The technical solution is as follows:

On the one hand, the embodiment of the invention provides a kind of hydraulic motor casing, the hydraulic motor casing includes being cylindrical in shape External shell and tubular stator, the stator is arranged inside the external shell, the outer wall of the stator with it is described The inner wall of external shell surrounds cricoid oil pocket arrangement area, and the inner wall of the stator has the multistage first at circumferentially alternating interval The second curved surface of curved surface and multistage, the radius of the first surface are greater than the radius of second curved surface, and adjacent described first is bent It is connected between face and second curved surface by fillet surface, the hydraulic fluid port on the surface of the external shell with rectangle is arranged Area, hydraulic fluid port arrangement area are provided with the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the 6th oil Mouthful, the radial partition extended radially outward is provided on the outer wall of the stator, the radial direction partition arranges the oil pocket Differentiation is divided into about the radial partition symmetrical first annular configuration area and the second annular configuration area, the inner wall tool of the stator There are six the fillet surface, be circumferentially sequentially arranged at intervals on the stator the first opening, the second opening, third opening, The junction of 4th opening, the 5th opening and the 6th opening, each fillet surface and the first surface is provided with one A opening, and in the circumferential direction of the stator, first opening and described second is open close to same first surface, institute State stator and first annular configuration area described in the first opening, third opening and the 4th open communication, described the Stator and second annular configuration area described in two openings, the 5th opening and the 6th open communication, the stator, institute It states and is provided with muti-piece oil pocket partition between radial partition and the external shell, first annular configuration differentiation is divided into edge Second annular configuration differentiation is divided into edge by the first circumferentially distributed oil pocket, the second oil pocket and the third oil pocket of the stator Circumferentially distributed the 4th oil pocket, the 5th oil pocket and the 6th oil pocket of the stator, the first oil pocket connection first opening With first hydraulic fluid port, the second oil pocket connection second opening and second hydraulic fluid port, the third oil pocket are connected to institute Third opening and the third hydraulic fluid port are stated, the 4th oil pocket connection the described 4th is open and the 4th hydraulic fluid port, and the described 5th Oil pocket connection the 5th opening and the 5th hydraulic fluid port, the 6th oil pocket connection the 6th opening and the 6th oil Mouthful, first oil pocket and the 4th oil pocket, second oil pocket and the 6th oil pocket, the third oil pocket and described the Orthographic projection of five oil pockets on the radial partition is symmetrical about the same shaft section of the stator.

Optionally, first hydraulic fluid port and the 6th hydraulic fluid port, second hydraulic fluid port and the 5th hydraulic fluid port, the third The cornerwise intersection point central symmetry of hydraulic fluid port and the 4th hydraulic fluid port about hydraulic fluid port arrangement area.

Optionally, the third hydraulic fluid port, first hydraulic fluid port and second hydraulic fluid port are sequentially distributed along first straight line, described 6th hydraulic fluid port, the 4th hydraulic fluid port and the 5th hydraulic fluid port are sequentially distributed along second straight line, the first straight line and described second Straight line parallel, the 6th hydraulic fluid port and the 4th hydraulic fluid port are between the third hydraulic fluid port and first hydraulic fluid port, and described One hydraulic fluid port and second hydraulic fluid port are between the 4th hydraulic fluid port and the 5th hydraulic fluid port.

Optionally, it is provided with oil suction chamber interface and oil back chamber interface on the external shell, the oil suction chamber interface and returns Oil pocket interface is arranged symmetrically about the stator center.

Optionally, support is provided on the external shell, the support and hydraulic fluid port arrangement area are about the stator It is centrosymmetrically arranged.

Optionally, the support includes bottom plate and support plate, and the middle part of the bottom plate is fixedly connected with the external shell, Plane where the bottom plate and the hydraulic fluid port arrange area is parallel, and the support plate is connected to the edge of the bottom plate and described outer Between portion's shell.

Optionally, the external shell is located in the bottom plate in the orthographic projection on the bottom plate.

Optionally, multiple holes for hoist are provided on the external shell.

Optionally, the external shell and the stator are made of spheroidal graphite cast-iron.

On the other hand, the present invention implements to quantify to additionally provide a kind of hydraulic motor, and the hydraulic motor includes rotor with before Any hydraulic motor casing stated.

Technical solution provided in an embodiment of the present invention has the benefit that by being circumferentially successively spaced on stator The first opening of setting, the second opening, third opening, the 4th opening, the 5th opening and the 6th opening, wherein the first opening, third Opening and the 4th open communication stator and the first annular configuration area, second opening, the 5th opening and the 6th open communication stator and Second annular configuration area, each opening pass through the first oil pocket, the second oil pocket, third oil pocket, the 4th oil pocket, the 5th oil pocket and the respectively Six oil pockets and the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the 6th hydraulic fluid port in hydraulic fluid port arrangement area connect It is logical, in this way can be fuel-displaced by three hydraulic fluid port oil inlets, three hydraulic fluid ports, hydraulic motor set solid amount is operated, two hydraulic fluid port oil inlets are passed through Then the discharge capacity of hydraulic motor can be reduced to the 2/3 of set solid amount.First oil pocket and the 4th oil pocket, the second oil pocket and the 6th simultaneously The orthographic projection of oil pocket, third oil pocket and the 5th oil pocket on radial partition can symmetrically make hydraulic about the same shaft section of stator The operating of motor is more steady.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of structure chart of hydraulic motor casing provided in an embodiment of the present invention;

Fig. 2 is the A direction view of Fig. 1;

Fig. 3 is the section B-B figure of Fig. 2;

Fig. 4 is the C-C sectional view of Fig. 2;

Fig. 5 is the D-D sectional view of Fig. 2;

Fig. 6 is the E direction view of Fig. 1;

Fig. 7 is the F direction view of Fig. 1.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

Fig. 1 is a kind of structure chart of hydraulic motor casing provided in an embodiment of the present invention, and Fig. 2 is the A direction view of Fig. 1, Fig. 3 It is the section B-B figure of Fig. 2, in conjunction with shown in Fig. 1~3, which includes tubular external shell 10 and be cylindrical in shape Stator 20, stator 20 is arranged inside external shell 10, and the outer wall of stator 20 and the inner wall of external shell 10 surround cricoid Oil pocket arranges area.There is the cavity for accommodating rotor in stator 20.

Referring to Fig. 2, the hydraulic fluid port with rectangle arranges that area 101, hydraulic fluid port arrangement area 101 are provided on the surface of external shell 10 First hydraulic fluid port 101a, the second hydraulic fluid port 101b, third hydraulic fluid port 101c, the 4th hydraulic fluid port 101d, the 5th hydraulic fluid port 101e and the 6th hydraulic fluid port 101f。

Referring to Fig. 3, the inner wall of stator 20 has second curved surface of multistage first surface 201 and multistage at circumferentially alternating interval 202, the radius of first surface 201 is greater than the radius of the second curved surface 202, between adjacent first surface 201 and the second curved surface 202 It is connected by fillet surface 203.Multistage first surface 201, the second curved surface of multistage 202 and fillet surface 203 constitute stator introversion Line.

Fig. 4 is the C-C sectional view of Fig. 2, as shown in figure 4, being provided with the diameter extended radially outward on the outer wall of stator 20 To partition 30, oil pocket arrangement is distinguished and is divided into about radial 30 symmetrical first annular configuration area of partition and second by radial partition 30 Annular configuration area.

Fig. 5 is the D-D sectional view of Fig. 2, and in conjunction with Fig. 3 and Fig. 5, there are six fillet surface 203, stators for the inner wall tool of stator 20 The first opening 20a, the second opening 20b, third opening 20c, the 4th opening 20d, the 5th are circumferentially sequentially arranged at intervals on 20 The opening of 20e and the 6th that is open 20f, the junction of each fillet surface 203 and first surface 201 are provided with an opening, and In the circumferential direction of stator 20, the first opening 20a and the second opening 20b are close to same first surface 201.First opening 20a, third Be open the opening 20d connection stator 20 of 20c and the 4th and the first annular configuration area, the second opening 20b, the 5th opening 20e and the 6th Be open 20f connection stator 20 and the second annular configuration area.

It is provided with muti-piece oil pocket partition 31 between stator 20, radial partition 30 and external shell 10, by the first cyclic annular cloth The first circumferentially distributed oil pocket 100a, the second oil pocket 100b and the third oil pocket 100c for distinguishing and being divided into along stator 20 are set, by second Annular configuration distinguishes circumferentially distributed the 4th oil pocket 100d, the 5th oil pocket 100e and the 6th oil pocket 100f being divided into along stator 20. The first opening 20a of first oil pocket 100a connection and first the second opening 20b of hydraulic fluid port 101a, the second oil pocket 100b connection and the second oil Mouth 101b, third oil pocket 100c are connected to the 4th opening 20d of third opening 20c and third hydraulic fluid port 101c, the 4th oil pocket 100d connection With the 4th hydraulic fluid port 101d, the 5th opening 20e and the 5th hydraulic fluid port 101e, the 6th oil pocket 100f connection the 6th of the 5th oil pocket 100e connection Be open 20f and the 6th hydraulic fluid port 101f.First oil pocket 100a and the 4th oil pocket 100d, the second oil pocket 100b and the 6th oil pocket 100f, Orthographic projection of third oil pocket 100c and the 5th oil pocket 100e on radial partition 30 is symmetrical about the same shaft section of stator 20.

The embodiment of the present invention is open by being circumferentially successively spaced setting first on stator, second is open, third is open, 4th is open, the 5th opening and the 6th is open, wherein the first opening, third opening and the 4th open communication stator and the first ring-type Arrange area, the second opening, the 5th opening and the 6th open communication stator and the second annular configuration area, each opening pass through first respectively Oil pocket, the second oil pocket, third oil pocket, the 4th oil pocket, the 5th oil pocket and the 6th oil pocket and first hydraulic fluid port in hydraulic fluid port arrangement area, second Hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the connection of the 6th hydraulic fluid port, can pass through three hydraulic fluid port oil inlets, three oil in this way Mouth is fuel-displaced, operates hydraulic motor set solid amount, then the discharge capacity of hydraulic motor can be reduced to set solid by two hydraulic fluid port oil inlets The 2/3 of amount.Simultaneously the first oil pocket and the 4th oil pocket, the second oil pocket and the 6th oil pocket, third oil pocket and the 5th oil pocket radial direction every Orthographic projection on plate symmetrically can make the operating of hydraulic motor more steady about the same shaft section of stator.

As shown in Fig. 2, the first hydraulic fluid port 101a and the 6th hydraulic fluid port, the second hydraulic fluid port 101b and the 5th hydraulic fluid port 101e, third hydraulic fluid port Cornerwise intersection point 1011 central symmetry of the 101c and the 4th hydraulic fluid port 101d about hydraulic fluid port arrangement area 101.The control of hydraulic motor Device is typically mounted on hydraulic fluid port arrangement area 101, each hydraulic fluid port on controller respectively with the first hydraulic fluid port 101a, the second hydraulic fluid port 101b, Third hydraulic fluid port 101c, the 4th hydraulic fluid port 101d, the 5th hydraulic fluid port 101e and the 6th hydraulic fluid port 101f alignment, are arranged so the position of each hydraulic fluid port It sets, so that controller is rotated each of 180 ° of hydraulic fluid ports that can also make on controller and external shell 10 when connecting controller Hydraulic fluid port alignment.

Further, third hydraulic fluid port 101c, the first hydraulic fluid port 101a and the second hydraulic fluid port 101b can successively divide along first straight line a Cloth, the 6th hydraulic fluid port 101f, the 4th hydraulic fluid port 101d and the 5th hydraulic fluid port 101e can be sequentially distributed along second straight line b, first straight line a with Second straight line b is parallel, and the 6th hydraulic fluid port 101f and the 4th hydraulic fluid port 101d are located between third hydraulic fluid port 101c and the first hydraulic fluid port 101a, the One hydraulic fluid port 101a and the second hydraulic fluid port 101b are between the 4th hydraulic fluid port 101d and the 5th hydraulic fluid port 101e.Controller is being rotated 180 ° Again after connecting with hydraulic motor casing, the oil inlet of script and oil outlet are exchanged on hydraulic motor casing, so as to control Hydraulic motor reversion.Such as before the connection type for changing controller, the first hydraulic fluid port is an oil inlet on hydraulic motor casing Mouthful, the 4th hydraulic fluid port is an oil outlet, and after the connection type for changing controller, the first hydraulic fluid port becomes oil outlet, the 4th oil Mouth becomes oil inlet.

Further, along the extending direction of first straight line a, third hydraulic fluid port 101c, the 6th hydraulic fluid port 101f, the 4th hydraulic fluid port 101d, the first hydraulic fluid port 101a, the second hydraulic fluid port 101b and the 5th hydraulic fluid port 101e can be with equidistantly distributeds.

As shown in figure 3, being additionally provided with support 40 on external shell 10, support 40 and hydraulic fluid port arrangement area 101 are about stator 20 It is centrosymmetrically arranged.The bottom of hydraulic motor casing, hydraulic fluid port can be arranged in order to the fixation of hydraulic motor, support 40 in support 40 Arrangement area 101 is located at the top of hydraulic motor casing, can connect in this way in order to hydraulic motor casing with controller.Simultaneously because The required precision of vane motor is very high, and the surface that hydraulic fluid port arrangement area 101 is arranged in support 40 can reduce installation The deformation degree of controller rear hydraulic motor shell, keeps the rotation of rotor more smooth, advantageously reduces the stuck situation of blade.

Illustratively, support 40 may include bottom plate 41 and support plate 42, and the middle part of bottom plate 41 and external shell 10 are fixed Connection, bottom plate 41 is parallel with the plane where hydraulic fluid port arrangement area 101, and support plate 42 is connected to the edge and external shell of bottom plate 41 Between 10.Bottom plate 41 can increase bearing area, and support plate 42 can make hydraulic motor more firm, can make hydraulic motor The course of work is more steady, while the form that support 40 is arranged to bottom plate 41 and support plate 42 is advantageously reduced hydraulic motor shell The weight of body.Several mounting holes can be set on bottom plate 41, in order to which hydraulic motor to be fixed in the rack of hydraulic device.

Preferably, external shell 10 is located in bottom plate 41 in the orthographic projection on bottom plate 41.It can make support 40 more in this way Stable support hydraulic pressure motor, reduces the vibration of hydraulic motor.

Illustratively, support 40 can be integrally formed by way of casting with external shell 10.

The bottom of external shell 10 is also provided with outage 10d, when hydraulic motor works normally, outage 10d It can be closed by sealing cover, sealing cover can be opened when needing to clean hydraulic motor, is made in hydraulic motor casing Residual hydraulic oil from outage 10d be discharged.

Optionally, multiple hole for hoist 10a are also provided on external shell 10, in order to the handling of hydraulic motor.

As shown in Figure 1, hole for hoist 10a there are four the position settings for being located at 101 lower section of hydraulic fluid port arrangement area of external shell 10, Four hole for hoist 10a can be symmetrical about radial partition 30, so that more steady when handling.

In other embodiments kind, lifting lug can also be set on external shell 10, in order to pass through the hydraulic horse of lifting lug handling It reaches.

Hole for hoist 10a can be threaded hole in a kind of implementation of the invention, and lifting lug can be with hole for hoist 10a screw thread Connection can unload lifting lug after the handling for completing hydraulic motor in this way.

As shown in figure 3, being additionally provided with oil suction chamber interface 10b and oil back chamber interface 10c, oil suction chamber interface on external shell 10 10b and oil back chamber interface 10c are centrosymmetrically arranged about stator 20.Oil suction chamber interface 10b and oil back chamber interface 10c can lead to Bored plate flange closure is crossed, can also be needed to connect different valve groups according to specific works.Oil suction chamber interface 10b and oil back chamber interface 10c, which is arranged symmetrically, can make the gravity of valve group or bored plate flange symmetrical to the active force of external shell 10, reduce external shell 10 deformation degree, can make the operating of hydraulic motor more stable, be conducive to the service life for improving hydraulic motor.

Fig. 6 is the E direction view of Fig. 1, and there are two oil suction chamber interface 10b, one of oil suction chambers for setting on external shell 10 Interface 10b is connected to third oil pocket 100c, another oil suction chamber interface 10b is connected to the 5th oil pocket 100e, and two oil suction chambers connect Mouth 10b can be arranged symmetrically about radial partition 30.

Fig. 7 is the F direction view of Fig. 1, and there are two oil back chamber interface 10c, one of oil back chambers for setting on external shell 10 Interface 10c is connected to third oil pocket 100c, another oil back chamber interface 10c is connected to the 5th oil pocket 100e, and two oil back chambers connect Mouth 10c can be arranged symmetrically about radial partition 30.

Optionally, external shell 10 and stator 20 can be made of spheroidal graphite cast-iron, and spheroidal graphite cast-iron is with higher just Property and preferable wearability, it is possible to reduce the abrasion of blade prolongs the service life.

The embodiment of the invention also provides a kind of hydraulic motor, which includes rotor and appoints as shown in Fig. 1~5 A kind of hydraulic motor casing.

The embodiment of the present invention is open by being circumferentially successively spaced setting first on stator, second is open, third is open, 4th is open, the 5th opening and the 6th is open, wherein the first opening, third opening and the 4th open communication stator and the first ring-type Arrange area, the second opening, the 5th opening and the 6th open communication stator and the second annular configuration area, each opening pass through first respectively Oil pocket, the second oil pocket, third oil pocket, the 4th oil pocket, the 5th oil pocket and the 6th oil pocket and first hydraulic fluid port in hydraulic fluid port arrangement area, second Hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the connection of the 6th hydraulic fluid port, can pass through three hydraulic fluid port oil inlets, three oil in this way Mouth is fuel-displaced, operates hydraulic motor set solid amount, then the discharge capacity of hydraulic motor can be reduced to set solid by two hydraulic fluid port oil inlets The 2/3 of amount.Simultaneously the first oil pocket and the 4th oil pocket, the second oil pocket and the 6th oil pocket, third oil pocket and the 5th oil pocket radial direction every Orthographic projection on plate symmetrically can make the operating of hydraulic motor more steady about the same shaft section of stator.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of hydraulic motor casing, the hydraulic motor casing includes tubular external shell (10) and tubular stator (20), stator (20) setting is internal in the external shell (10), the outer wall and the external shell of the stator (20) (10) inner wall surrounds cricoid oil pocket arrangement area, and the inner wall of the stator (20) has the multistage first at circumferentially alternating interval Curved surface (201) and the second curved surface of multistage (202), the radius of the first surface (201) are greater than the half of second curved surface (202) Diameter is connected between the adjacent first surface (201) and second curved surface (202) by fillet surface (203), described outer Hydraulic fluid port on the surface of portion's shell (10) with rectangle arranges area (101), which is characterized in that hydraulic fluid port arrangement area (101) sets It is equipped with the first hydraulic fluid port (101a), the second hydraulic fluid port (101b), third hydraulic fluid port (101c), the 4th hydraulic fluid port (101d), the 5th hydraulic fluid port (101e) and the 6th hydraulic fluid port (101f) is provided with the radial partition extended radially outward on the outer wall of the stator (20) (30), the radial partition (30), which distinguishes oil pocket arrangement, is divided into about radial symmetrical first ring-type of partition (30) Arrange area and the second annular configuration area, there are six the fillet surface (203), the stators for the inner wall tool of the stator (20) (20) the first opening (20a), the second opening (20b), third opening (20c), the 4th opening are circumferentially sequentially arranged at intervals on (20d), the 5th opening (20e) and the 6th are open (20f), each fillet surface (203) and the first surface (201) Junction is provided with the opening, and in the circumferential direction of the stator (20), first opening (20a) and described the Two openings (20b) are close to same first surface (201), first opening (20a), third opening (20c) and described the Four openings (20d) are connected to the stator (20) and first annular configuration area, and second opening (20b), the described 5th open Mouthful (20e) and the described 6th be open (20f) be connected to the stator (20) and second annular configuration area, the stator (20), It is provided with muti-piece oil pocket partition (31) between the radial direction partition (30) and the external shell (10), it is cyclic annular by described first Arrangement distinguishes circumferentially distributed the first oil pocket (100a), the second oil pocket (100b) and the third oil pocket being divided into along the stator (20) Second annular configuration differentiation is divided into the 4th circumferentially distributed oil pocket (100d) along the stator (20), the by (100c) Five oil pockets (100e) and the 6th oil pocket (100f), first oil pocket (100a) connection, first opening (20a) and described the One hydraulic fluid port (101a), second oil pocket (100b) is connected to second opening (20b) and second hydraulic fluid port (101b), described Third oil pocket (100c) is connected to the third opening (20c) and the third hydraulic fluid port (101c), and the 4th oil pocket (100d) is even Lead to the 4th opening (20d) and the 4th hydraulic fluid port (101d), the 5th oil pocket (100e) connection the 5th opening (20e) and the 5th hydraulic fluid port (101e), the 6th oil pocket (100f) connection the 6th opening (20f) and the 6th oil Mouth (101f), first oil pocket (100a) and the 4th oil pocket (100d), second oil pocket (100b) and the described 6th The orthographic projection of oil pocket (100f), the third oil pocket (100c) and the 5th oil pocket (100e) on the radial partition (30) Same shaft section about the stator (20) is symmetrical.
2. hydraulic motor casing according to claim 1, which is characterized in that first hydraulic fluid port (101a) and the described 6th Hydraulic fluid port, second hydraulic fluid port (101b) and the 5th hydraulic fluid port (101e), the third hydraulic fluid port (101c) and the 4th hydraulic fluid port The cornerwise intersection point central symmetry of (101d) about hydraulic fluid port arrangement area (101).
3. hydraulic motor casing according to claim 2, which is characterized in that the third hydraulic fluid port (101c), described first Hydraulic fluid port (101a) and second hydraulic fluid port (101b) are sequentially distributed along first straight line (a), the 6th hydraulic fluid port (101f), described Four hydraulic fluid ports (101d) and the 5th hydraulic fluid port (101e) are sequentially distributed along second straight line (b), the first straight line (a) and described the Two straight lines (b) in parallel, the 6th hydraulic fluid port (101f) and the 4th hydraulic fluid port (101d) be located at the third hydraulic fluid port (101c) and Between first hydraulic fluid port (101a), first hydraulic fluid port (101a) and second hydraulic fluid port (101b) are located at the 4th hydraulic fluid port Between (101d) and the 5th hydraulic fluid port (101e).
4. hydraulic motor casing according to claim 1, which is characterized in that be provided with oil inlet on the external shell (10) Chamber interface (10b) and oil back chamber interface (10c), the oil suction chamber interface (10b) and oil back chamber interface (10c) are about the stator (20) it is centrosymmetrically arranged.
5. hydraulic motor casing according to claim 1, which is characterized in that be provided with support on the external shell (10) (40), the support (40) is centrosymmetrically arranged with hydraulic fluid port arrangement area (101) about the stator (20).
6. hydraulic motor casing according to claim 5, which is characterized in that the support (40) includes bottom plate (41) and branch The middle part of fagging (42), the bottom plate (41) is fixedly connected with the external shell (10), the bottom plate (41) and the hydraulic fluid port Arrange that the plane where area (101) is parallel, the support plate (42) is connected to the edge and the external shell of the bottom plate (41) Between body (10).
7. hydraulic motor casing according to claim 6, which is characterized in that the external shell (10) is in the bottom plate (41) orthographic projection on is located in the bottom plate (41).
8. described in any item hydraulic motor casings according to claim 1~7, which is characterized in that on the external shell (10) It is provided with multiple holes for hoist (10a).
9. described in any item hydraulic motor casings according to claim 1~7, which is characterized in that the external shell (10) and The stator (20) is made of spheroidal graphite cast-iron.
10. a kind of hydraulic motor, which is characterized in that the hydraulic motor includes rotor and as described in any one of claim 1~9 Hydraulic motor casing.
CN201711124523.7A 2017-11-14 2017-11-14 A kind of hydraulic motor casing and hydraulic motor CN108119297B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711124523.7A CN108119297B (en) 2017-11-14 2017-11-14 A kind of hydraulic motor casing and hydraulic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711124523.7A CN108119297B (en) 2017-11-14 2017-11-14 A kind of hydraulic motor casing and hydraulic motor

Publications (2)

Publication Number Publication Date
CN108119297A CN108119297A (en) 2018-06-05
CN108119297B true CN108119297B (en) 2019-09-10

Family

ID=62227746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711124523.7A CN108119297B (en) 2017-11-14 2017-11-14 A kind of hydraulic motor casing and hydraulic motor

Country Status (1)

Country Link
CN (1) CN108119297B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6481990B2 (en) * 2001-03-21 2002-11-19 Delphi Technologies, Inc. Hydraulically balanced multi-vane hydraulic motor
CN102536627B (en) * 2012-03-15 2015-04-22 武汉船用机械有限责任公司 Shell for low-pressure large-discharge capacity blade hydraulic motor
DE202012002882U1 (en) * 2012-03-22 2013-06-25 Oerlikon Leybold Vacuum Gmbh Rotary vacuum pump
CN103122818A (en) * 2013-01-29 2013-05-29 武汉船用机械有限责任公司 Stator and motor

Also Published As

Publication number Publication date
CN108119297A (en) 2018-06-05

Similar Documents

Publication Publication Date Title
US7074018B2 (en) Direct drive linear flow blood pump
DE69731427T2 (en) Pumps unit
US6280157B1 (en) Sealless integral-motor pump with regenerative impeller disk
JP4772696B2 (en) Magnetically driven hydraulically balanced centrifugal pump
US7699588B2 (en) Centrifugal pump
US5399074A (en) Motor driven sealless blood pump
EP1186310B1 (en) Turbo blood pump
CA2222812C (en) Molten metal impeller
US3957389A (en) Pumping apparatus and process characterized by gentle operation
US8114008B2 (en) Blood pump and pump unit
CN102753841B (en) Electro-hydraulic drive system for a work machine
KR20020086460A (en) Micromachines
EP1717449B1 (en) A centrifugal pump and an impeller thereof
EP0719940B1 (en) Full circumferential flow pump
AT397972B (en) Device for fluidizing, degassing and pumping a cellulose fiber material suspension
JP6360937B2 (en) Centrifugal blood pump
US20020122731A1 (en) Monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor
US20010026759A1 (en) Liquid ring pump
CA2515496C (en) Pump or turbine, drive unit comprising such a pump or turbine and outboard motor
US8777565B2 (en) Casing structure of steam turbine
CN105452669B (en) Pump installation
EP1852613B1 (en) Vacuum pump with casing
ES2341446T3 (en) Optimized swing tubular pump.
US20130022450A1 (en) Pump impeller and submersible pump having such pump impeller
US20100028156A1 (en) Impeller and pump including the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant