CN109185040A - A kind of high-performance multiple-blade hydraulic motor - Google Patents

A kind of high-performance multiple-blade hydraulic motor Download PDF

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Publication number
CN109185040A
CN109185040A CN201811142486.7A CN201811142486A CN109185040A CN 109185040 A CN109185040 A CN 109185040A CN 201811142486 A CN201811142486 A CN 201811142486A CN 109185040 A CN109185040 A CN 109185040A
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China
Prior art keywords
blade
slot
rotor
chamber
hole
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CN201811142486.7A
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CN109185040B (en
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陈行
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • 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 present invention provides a kind of high-performance multiple-blade hydraulic motor, including shell, rotor, blade, with oil clot and guide pad, case cover is in rotor exterior, the shifting block being at least distributed uniformly and circumferentially with three pieces in shell, sliding slot is constituted between two neighboring shifting block, an annular groove is provided at the rotor sidewall centering, locating slot identical with shifting block quantity is along the circumferential direction uniformly provided in annular groove, one blade is installed on each locating slot, two neighboring blade, a cavity is formed between ring groove surface and inner walls, blade is inserted into sliding slot, make that there is a shifting block in each cavity, cavity is divided into first chamber and second chamber by shifting block;The both ends of rotor are respectively connected with oil clot;The dome ring J1 of the outer wall of shell is placed in the guide groove of guide pad;The axis of rotor and the axis of shell are not overlapped;Becoming larger and reducing for the volume generating period of chamber is driven by high pressure oil, so that rotor be driven to rotate, realizes the output of power.

Description

A kind of high-performance multiple-blade hydraulic motor
Technical field
The present invention relates to multiple-blade motor more particularly to a kind of high-performance multiple-blade hydraulic motors.
Background technique
Existing vane motor structure is that a rotor eccentricity is placed in cylinder body, blade radial or with rotor half Diameter is angled to be placed in rotor, and blade is thrown away under the action of spring or oil pressure when work, forms seal chamber with cylinder body. This form vane motor due to be between blade and cylinder body by a contact linear sealing, sealing performance compared with Difference, output torque is lower, in addition generating very big friction between blade and rotor and cylinder body when rotation, causes vane motor Overall wear is fast, and the service life is short, low efficiency.In addition, rotor must have in order to guarantee that blade can pass in and out safely in rotor when rotation Comparable diameter, the volume that is bound in this way is big, and specific power is low, although there is Double-blade type hydraulic motor, due to there was only two panels blade, Output torque pulsation is larger, and output torque also owes big.
Summary of the invention
The object of the present invention is to provide one kind to be both able to achieve that specific power is big, and output torque is big, and output torque pulsation is again small, entirely It is again face sealing, high-performance multiple-blade hydraulic motor not easy to wear, and can adjusting the speed at portion's sealing.
In order to achieve the above object, The technical solution adopted by the invention is as follows: a kind of hydraulic horse of high-performance multiple-blade Reach, including shell, rotor, blade, match oil clot and guide pad, rotor is located at center, case cover in rotor exterior, shell at least With the shifting block that three pieces are distributed uniformly and circumferentially, sliding slot is constituted between two neighboring shifting block, at the rotor sidewall centering It is provided with an annular groove, locating slot identical with shifting block quantity is along the circumferential direction uniformly provided in annular groove, installs one on each locating slot A blade forms a cavity between two neighboring blade, ring groove surface and inner walls, blade is inserted into sliding slot, makes every There is a shifting block in a cavity, be sealed between shifting block and blade by sealing element, cavity is divided into the first chamber by shifting block Room and second chamber;The first hydraulic fluid port identical with cavity quantity and the second hydraulic fluid port are provided on rotor, the first hydraulic fluid port is located at annular groove Left side, first hydraulic fluid port are connected with a first chamber, and the second hydraulic fluid port is located at the right side of annular groove, second hydraulic fluid port and one A second chamber is connected, and the both ends of rotor are respectively connected with oil clot;The outer wall of shell has dome ring J1, dome ring J1 a peace It is placed in the guide groove of guide pad;The axis of rotor and the axis of shell are not overlapped;When the high pressure oil of high pressure chest is by matching oil clot When into first chamber, torque, drive rotor rotation will be generated, rotor band movable vane piece rotates together, blade push shell around The rotation of its own axis, during rotation, shifting block slides between two blades, and the volume of first chamber becomes larger, directly When reaching maximum, first chamber and high pressure chest are disconnected, then by being communicated with oil clot with low pressure chamber, when being further continued for rotation, the One cavity volume gradually becomes smaller, by matching oil clot to low pressure chamber oil extraction, until reaching minimum;This completes a circulations;The Two chambers it is exactly the opposite with oily process and first chamber.
Further, be dolioform billiard table A2 that both ends cut out two spherical crowns in parallel in the rotor, billiard table A2 up to Rare three bar grooves B2, respectively billiard table A2, the width of slot B2 and the thickness of blade are identical, and the both ends of billiard table A2 are conical side surface C2 With conical side surface D2, billiard table A2, conical side surface C2 and conical side surface D2 constitute annular groove;Have and slot B2 number on conical side surface C2 Identical slot E2 is measured, slot E2 divides equally conical side surface C2, has slot F2 identical with slot B2 quantity, equal pitch cone on conical side surface D2 Side D2, slot E2, slot B2 and slot F2 are sequentially connected logical, composition locating slot;The width of slot E2 and slot F2 are identical as the thickness of blade, There is a hole K2 on conical side surface C2 between two neighboring slot E2, has a hole between two neighboring slot F2 on conical side surface D2 K2 ' is spherical surface G2 with the face being connected conical side surface C2, is spherical surface H2, spherical surface G2 and spherical surface H2 with the face being connected conical side surface D2 Radius and the centre of sphere it is identical as the radius of shell Internal Spherical Surface A1 and the centre of sphere, the both ends of the surface of rotor are anchor ring I2 and anchor ring It is evenly equipped with hole L2 corresponding with hole K2 on J2, anchor ring I2, hole L2 ' corresponding with hole K2 ', hole are evenly equipped on anchor ring J2 L2 is connected with corresponding hole K2, forms the second hydraulic fluid port, is used for oil inlet or oil extraction;Hole L2 ' and corresponding hole K2 ' It is connected, forms the first hydraulic fluid port, be used for oil inlet or oil extraction.
Further, the shell has Internal Spherical Surface A1 and spherical outside surface B1, and Internal Spherical Surface A1 and spherical outside surface B1 are that both ends are flat Row cuts out the dolioform spherical surface of the spherical crown of same size, has an annulus K1 in the middle part of Internal Spherical Surface A1, the both sides annulus K1 are two A parallel circular planes C1 and D1 are interior Surface of Sphere E1 among annulus K1, and diameter is equal with the diameter of billiard table A2, annulus K1 On at least three long hole F1 placed along Internal Spherical Surface A1 radial direction, long hole F1 divides equally annulus K1, and long hole F1 is sliding slot, To which annulus K1 is divided into several shifting blocks;A circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
Further, the blade is by former and later two parallel planes A3, B3 and upper and lower two cylinders C3, D3 and two sides It encloses;Wherein, the radius of cylinder C3 and the center of circle are identical as the radius of shell Internal Spherical Surface A1 and the center of circle respectively, and the half of cylinder D3 Diameter and the center of circle are identical as the radius of slot B2 groove bottom and the center of circle on rotor spherical surface respectively.
Further, the oil clot of matching is a cylindrical body, the diameter and two ends of rotor disc of the external cylindrical surface A4 of cylindrical body The diameter of I2 and J2 is equal, is opened on cylindrical body there are two waist through hole B4 and C4, a waist through hole is communicated with high pressure chest, separately One waist through hole is communicated with low pressure chamber.
Further, the sealing element includes cushion block and elastic sealing strip, and the shape of the cross section of long hole F1 is by circular arc L1, straight line, another circular arc L1 and another straight line are connected in sequence, and are sequentially placed a bullet on each circular arc L1 inside-out Property sealing strip and a cushion block, two cushion blocks are located at the both sides of a piece of blade, and abut with blade;
Or, also combinable be integrated is placed in circular arc L1 for the cushion block and elastic sealing strip.
Further, the cushion block is strip, and cross section is crescent, the equal length of length and long hole F1;
The elastic sealing strip is strip, and cross section is semi-circular shape, the radius phase of exradius and circular arc L1 Together, inner circle radius is identical as the radius of cushion block crescent, the equal length of length and long hole F1.
Further, there is no slot B2 on the rotor playing surface of the table A2, locating slot is only constituted by slot E2 and slot F2.
Further, the thickness of the annulus J1 is identical as the thickness of annulus K1.
Present invention has the advantage that
It 1) is face sealing at all sealings;
2) small in size, torque is big, high-efficient;
3) compared to traditional piston motor and sliding-vane motor, sliding-vane motor specific power provided by the invention is big;
4) by adjusting the tilt angle of guide pad, that is, adjustment housings interior annular K1 axis and rotor axis Angle can adjust the revolving speed of motor.
5) rotor and shell relative linear velocity are very low, and output speed is very high;
6) compact-sized, processing is relatively easy;
7) cost is relatively low, and the service life is long.
8) double-acting form is used, the form output torque than the effect of working as is bigger.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is overall structure diagram of the invention.
Fig. 2 a is schematic diagram of housing structure of the invention;
Fig. 2 b is the kk diagrammatic cross-section of Fig. 2 a;
Fig. 2 c is the M-M diagrammatic cross-section of Fig. 2 b;
Fig. 3 a is rotor structure schematic diagram;
Fig. 3 b is the T-T diagrammatic cross-section of Fig. 3 a;
Fig. 4 a is blade construction schematic diagram of the present invention;
Fig. 4 b is the K direction view of Fig. 4 a;
Fig. 5 is of the invention with oil clot structural schematic diagram;
Fig. 6 is cushion block longitudinal direction schematic diagram of the invention;
Fig. 7 is elastic sealing strip longitudinal direction schematic diagram of the invention;
Fig. 8 is shell of the invention, blade, cushion block and elastic sealing strip partial schematic diagram;
Fig. 9 is cushion block and elastic sealing strip bias placement schematic diagram;
In figure: 1. shells, 2. rotors, 3. blades, 4. match oil clot, 5. cushion blocks, 6 sealing strips, 7 guide pads.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description and attached When figure, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.In following exemplary embodiment Described embodiment does not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended It is described in detail in middle claims, the example of the consistent device of some aspects of the invention.Each implementation of this specification Example is described in a progressive manner.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.
As shown in Figure 1, the embodiment of the present invention provides a kind of high-performance multiple-blade hydraulic motor, including shell 1, rotor 2, blade 3, match oil clot 4 and guide pad 7, rotor 2 is located at center, and shell 1 covers on outside rotor 2, at least with three pieces in shell 1 The shifting block being distributed uniformly and circumferentially constitutes sliding slot between two neighboring shifting block, is provided with a ring at the 2 side wall centering of rotor Slot is along the circumferential direction uniformly provided with locating slot identical with shifting block quantity in annular groove, installs a blade 3 on each locating slot, A cavity is formed between 1 inner wall of two neighboring blade 3, ring groove surface and shell, blade 3 is inserted into sliding slot, makes each appearance It is intracavitary that there is a shifting block, be sealed between shifting block and blade 3 by sealing element, shifting block by cavity be divided into first chamber and Second chamber;The first hydraulic fluid port identical with cavity quantity and the second hydraulic fluid port are provided on rotor 2, the first hydraulic fluid port is located at a left side for annular groove Side, first hydraulic fluid port are connected with a first chamber, and the second hydraulic fluid port is located at the right side of annular groove, second hydraulic fluid port and one Second chamber is connected, and the both ends of rotor 2 are respectively connected with oil clot 4;The outer wall of shell 1 has a dome ring J1, dome ring J1 It is placed in the guide groove of guide pad 7;The axis of rotor 2 and the axis of shell 1 are not overlapped;
When the high pressure oil of high pressure chest is by entering first chamber with oil clot 4, torque will be generated, drive rotor 2 rotates, Rotor 2 is rotated together with movable vane piece 3, and blade 3 pushes shell 1 to rotate around its own axis, and during rotation, shifting block is at two It is slided between blade 3, the volume of first chamber becomes larger, and when reaching maximum, first chamber and high pressure chest are disconnected, then By communicating with oil clot 4 with low pressure chamber, when being further continued for rotation, first chamber volume is gradually become smaller, by matching oil clot 4 to low pressure chamber Oil extraction, it is minimum until reaching;This completes a circulations;Second chamber it is exactly the opposite with oily process and first chamber.
When rotor 2 rotates, rotor 2 is rotated together with movable vane piece 3, and blade 3 pushes shell 1 to rotate around its own axis, During rotation, shifting block reciprocatingly slides between two blades 3, so that the volume generating period of first chamber and second chamber Property variation, and the variation of the two is exactly the opposite;First chamber and second chamber periodically form high-pressure chamber and low pressure cavity, Low pressure cavity in first chamber matches 4 oil suction of oil clot by 2 left side of rotor, and the high-pressure chamber in second chamber passes through rotor 2 Match 4 oil extraction of oil clot in right side;High-pressure chamber in first chamber matches 4 oil extraction of oil clot by 2 left side of rotor, in second chamber Low pressure cavity matches 4 oil suction of oil clot by 2 right side of rotor.
It should be noted that the quantity of the blade 3 is at least 3, the quantity of locating slot, shifting block and sliding slot is and leaf The quantity of piece 3 is identical, below by taking the quantity of blade 3 is 9 as an example, comes the concrete scheme that the present invention is further explained, this field For technical staff according to description below, the quantity of acquisition blade 3 that also can be beyond all doubt is other embodiments.
Fig. 2 a- Fig. 2 c is the shape of shell 1 of the invention.Shell 1 has an Internal Spherical Surface A1 and spherical outside surface B1, Internal Spherical Surface A1 and outer Spherical surface B1 is the dolioform spherical surface for the spherical crown that both ends cut out same size in parallel, there is an annulus K1 in the middle part of Internal Spherical Surface A1, The both sides annulus K1 are two parallel circular planes C1 and D1, are interior Surface of Sphere E1 among annulus K1, diameter is worked as with rotor 2 In billiard table A2 diameter it is equal, have nine long hole F1 placed along Internal Spherical Surface A1 radial direction on annulus K1, long hole F1 divides equally Annulus K1, long hole F1 are sliding slot, so that annulus K1 is divided into several shifting blocks;The shape of the cross section of long hole F1 is by circular arc L1, straight line, another circular arc L1 and another straight line are connected in sequence, as shown in Figure 2 c.It is outwardly protruded in the middle part of spherical outside surface B1 One circle annulus J1, the thickness of the annulus J1 is identical as the thickness of annulus K1, like the extension that annulus K1 is outside, needs Bright, annulus K1 and annulus J1 constitute large circle, and large circle can also be separated with shell 1, individually become a swash plate, procapsid 1 or so two halves abutting is fixed on the swash plate.
Fig. 3 a and Fig. 3 b show the shape of rotor 2 of the invention.It is that both ends cut out two balls in parallel in the rotor 2 There are nine bar groove B2 on the dolioform billiard table A2 of hat, billiard table A2, respectively billiard table A2, such as the warp on tellurion;The width of slot B2 Identical as the thickness of blade 3, the both ends of billiard table A2 are conical side surface C2 and conical side surface D2, billiard table A2, conical side surface C2 and circle It bores side D2 and constitutes annular groove;On conical side surface C2 there is slot E2 identical with slot B2 quantity, slot E2 to divide equally conical side surface C2, circular cone There is slot F2 identical with slot B2 quantity, respectively conical side surface D2, slot E2, slot B2 and slot F2 are sequentially connected logical, structure on the D2 of side At locating slot;The width of slot E2 and slot F2 are identical as the thickness of blade 3, have one between two neighboring slot E2 on conical side surface C2 There is a hole K2 ' on a hole K2, conical side surface D2 between two neighboring slot F2, is spherical surface with the face being connected conical side surface C2 G2 is spherical surface H2 with the face being connected conical side surface D2, the radius and the centre of sphere of spherical surface G2 and spherical surface H2 with 1 Internal Spherical Surface A1 of shell Radius it is identical with the centre of sphere, the both ends of the surface of rotor 2 are anchor ring I2 and anchor ring J2, are evenly equipped on anchor ring I2 opposite with hole K2 Hole L2 ' corresponding with hole K2 ' is evenly equipped on the hole L2 answered, anchor ring J2, hole L2 is connected with corresponding hole K2, shape At the second hydraulic fluid port, it is used for oil inlet or oil extraction;Hole L2 ' is connected with corresponding hole K2 ', the first hydraulic fluid port is formed, for oil inlet Or oil extraction is used.Certain hole L2, hole K2, hole L2 ', hole K2 ' shape may each be round, rectangle or trapezoidal etc..In addition, institute Slot B2 can also not had by stating on rotor playing surface of the table A2, only constitute locating slot by slot E2 and slot F2.
Fig. 4 a and Fig. 4 b are the shape of blade 3 of the invention.Identical nine are shared, the blade 3 is put down by former and later two Row plane A3, B3 and upper and lower two cylinders C3, D3 and two sides enclose;Wherein, the radius of cylinder C3 and center of circle difference It is identical as the radius of 1 Internal Spherical Surface A1 of shell and the center of circle, the radius of cylinder D3 and the center of circle respectively with slot B2 slot bottom on 2 spherical surface of rotor The radius in face is identical with the center of circle.One side of blade 3 is abutted with the bottom surface slot E2, another side is abutted with the bottom surface slot F2.It needs It is noted that can also not have slot B2 on 2 playing surface of the table A2 of rotor, locating slot, cylinder D3 are only constituted by slot E2 and slot F2 It is abutted with the surface billiard table A2, the radius of cylinder D3 and the center of circle are identical as the radius of 2 billiard table A2 of rotor and the center of circle respectively.
Fig. 5 is the shape with oil clot 5 of the invention.The oil clot 4 of matching is a cylindrical body, the external cylindrical surface A4's of cylindrical body Diameter is equal with the diameter of rotor 2 both ends disc I2 and J2, is opened on cylindrical body there are two waist through hole B4 and C4, a kidney-shaped is logical Hole is communicated with high pressure chest, another waist through hole is communicated with low pressure chamber.
Fig. 6 is the shape of cushion block 5 of the invention, and Fig. 7 is the shape of sealing strip 6 of the invention.The sealing element includes pad Block 6 and elastic sealing strip 7, cushion block 5 are strips, as shown in fig. 6, its cross section is crescent, cushion block 5 is shared for longitudinal section 18, the equal length of nine long hole F1 on length and shell 1 is sequentially placed inside-out on long hole F1 on each circular arc L1 One elastic sealing strip 7 and a cushion block 6, two cushion blocks 6 are located at the both sides of a piece of blade 3, and abut with blade 3;
Or, also combinable be integrated is placed in circular arc L1 for the cushion block 6 and elastic sealing strip 7.
Elastic sealing strip 6 be also strip, longitudinal section as indicated with 6, cross section be semi-circular shape, exradius with The radius of the cross section circular hole L1 of nine long hole F1 is identical on shell 1, the radius of inner circle radius and 5 crescent-shape cross-sectional of cushion block It is identical, and with one heart (such as Fig. 8), naturally it is also possible to decentraction (such as Fig. 9), elastic sealing strip 6 share 18, length and shell 1 The equal length of upper nine long hole F1.
Remaining technology not explained is the technical solution that those skilled in the art note, and which is not described herein again.
Operation working principle of the invention is as follows:
As shown in Figure 1, a closing cavity is formed between 1 inner wall of two neighboring blade 3, ring groove surface and shell, one Share 9 cavities;Blade 3 is inserted into sliding slot, is made have a shifting block in each cavity, is passed through sealing between shifting block and blade 3 Part is sealed, and cavity is divided into first chamber and second chamber by shifting block;
Now by taking the right end of hydraulic motor as an example, as shown in Figure 1, the annulus K1 on shell 1 is located at Far Left topmost, At this moment the second chamber volume is maximum.And the annulus K1 on bottom, shell 1 is located at rightmost, at this moment the second chamber is held Product is minimum.
9 all second chambers are all communicated with the right side of motor with oil clot 4, and some is by matching oil clot 4 and high pressure chest phase Logical, some with oil clot 4 with low pressure chamber by communicating.When a second chamber of motor is located at bottom, the volume of the chamber It is minimum.At this moment, second chamber begins through communicating with oil clot 4 with high pressure chest for right side, and disconnects with low pressure chamber, when high pressure oil is logical When crossing with the entrance second chamber of oil clot 4, torque will be generated, drive rotor 2 rotates, and rotor 2 is rotated together with movable vane piece 3, Blade 3 pushes shell 1 to rotate around its own axis, makes motor rotation;During rotation, shifting block is sliding between two blades 3 Dynamic i.e. annulus K1 reciprocatingly slides between two blades 3, the volume generating period variation of second chamber, when rotor 2 is by most During lower end is screwed into the top, which communicates with high pressure chest always, since the second chamber volume constantly increases, High pressure oil constantly enters the second chamber, constantly generation torque, rotates motor constantly.When the second chamber go to it is most upper When end, volume reaches maximum.At this moment, cavity and high pressure chest disconnect, then by being communicated with oil clot 4 with low pressure chamber.It is further continued for revolving When turning, which is gradually become smaller, will be by matching oil clot 4 to low pressure chamber oil extraction.When rotor 4 in the cavity by most upper End is screwed into during the lowermost, which communicates with low pressure chamber always, since the second chamber volume constantly reduces, institute With constantly to low pressure chamber oil extraction, until the cavity is returned to bottom.This completes a circulations.All nine second chambers There is identical process, then motor will constantly rotate in cycles.
Similarly, in the left-hand end of hydraulic motor, situation and right end on the contrary, to realize double acting.
By adjust guide pad 7 tilt angle, that is, 1 interior annular K1 of adjustment housings axis and rotor 2 axis Angle, the revolving speed of motor can be adjusted.
Above-described embodiment is used to illustrate the present invention, rather than limits present aspect, in spirit of the invention and In scope of protection of the claims, to any modifications and changes that present aspect is made, protection scope of the present invention is both fallen within.

Claims (9)

1. a kind of high-performance multiple-blade hydraulic motor, which is characterized in that including shell (1), rotor (2), blade (3), match Oil clot (4) and guide pad (7) etc., rotor (2) are located at center, and shell (1) covers on rotor (2) outside, at least has in shell (1) The shifting block that three pieces are distributed uniformly and circumferentially constitutes sliding slot between two neighboring shifting block, opens at rotor (2) the side wall centering There is an annular groove, locating slot identical with shifting block quantity is along the circumferential direction uniformly provided in annular groove, installs one on each locating slot Blade (3), forms a cavity between two neighboring blade (3), ring groove surface and shell (1) inner wall, blade (3) insertion is slided In slot, make that there is in each cavity a shifting block, be sealed between shifting block and blade (3) by sealing element, shifting block is by cavity It is divided into first chamber and second chamber;It is provided with the first hydraulic fluid port identical with cavity quantity and the second hydraulic fluid port on rotor (2), first Hydraulic fluid port is located at the left side of annular groove, and first hydraulic fluid port is connected with a first chamber, and the second hydraulic fluid port is located at the right side of annular groove, and one A second hydraulic fluid port is connected with a second chamber, and the both ends of rotor (2) are respectively connected with oil clot (4);The outer wall of shell (1) has There are a dome ring J1, dome ring J1 to be placed in the guide groove of guide pad (7);The axis of the axis of rotor (2) and shell (1) is not It is overlapped;When the high pressure oil of high pressure chest is by entering first chamber with oil clot (4), torque will be generated, drive rotor (2) turns Dynamic, rotor (2) band movable vane piece (3) rotates together, and blade (3) pushes shell (1) to rotate around its own axis, in rotation process In, shifting block slides between two blades (3), and the volume of first chamber becomes larger, when reaching maximum, first chamber with High pressure chest disconnects, then by being communicated with oil clot (4) with low pressure chamber, when being further continued for rotation, first chamber volume is gradually become smaller, and is led to It crosses with oil clot (4) to low pressure chamber oil extraction, it is minimum until reaching;This completes a circulations;Second chamber with oily process and First chamber is exactly the opposite.
2. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that the rotor (2) It is the dolioform billiard table A2 that both ends cut out two spherical crowns in parallel, at least three bar groove B2 on billiard table A2 in the middle, respectively billiard table A2, slot The width of B2 is identical as the thickness of blade (3), and the both ends of billiard table A2 are conical side surface C2 and conical side surface D2, billiard table A2, circular cone Side C2 and conical side surface D2 constitutes annular groove;There is slot E2 identical with slot B2 quantity, the equal pitch cone of slot E2 on conical side surface C2 There is slot F2 identical with slot B2 quantity, respectively conical side surface D2 on side C2, conical side surface D2, slot E2, slot B2 and slot F2 according to It is secondary to be connected, constitute locating slot;The width of slot E2 and slot F2 are identical as the thickness of blade (3), two neighboring on conical side surface C2 There is a hole K2 between slot E2, has a hole K2 ' between two neighboring slot F2 on conical side surface D2, be connected with conical side surface C2 Face be spherical surface G2, be spherical surface H2 with the face being connected conical side surface D2, the radius and the centre of sphere of spherical surface G2 and spherical surface H2 are and shell (1) radius of Internal Spherical Surface A1 is identical with the centre of sphere, and the both ends of the surface of rotor (2) are anchor ring I2 and anchor ring J2, equal on anchor ring I2 It is furnished with hole L2 corresponding with hole K2, is evenly equipped with hole L2 ' corresponding with hole K2 ' on anchor ring J2, hole L2 and corresponding Hole K2 is connected, and forms the second hydraulic fluid port, is used for oil inlet or oil extraction;Hole L2 ' is connected with corresponding hole K2 ', forms the One hydraulic fluid port, is used for oil inlet or oil extraction.
3. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that the shell (1) There are an Internal Spherical Surface A1 and spherical outside surface B1, Internal Spherical Surface A1 and spherical outside surface B1 are the waist drums of the parallel spherical crown for cutting out same size in both ends Shape spherical surface has an annulus K1 in the middle part of Internal Spherical Surface A1, and the both sides annulus K1 are two parallel circular planes C1 and D1, annulus Interior Surface of Sphere E1 among K1, diameter is equal with the diameter of billiard table A2, on annulus K1 at least three it is radial along Internal Spherical Surface A1 The long hole F1 that direction is placed, long hole F1 divide equally annulus K1, and long hole F1 is sliding slot, so that annulus K1 is divided into several shifting blocks; A circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
4. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that the blade (3) It is enclosed by former and later two parallel planes A3, B3 and upper and lower two cylinders C3, D3 and two sides;Wherein, the half of cylinder C3 Diameter and the center of circle are identical as the radius of shell (1) Internal Spherical Surface A1 and the center of circle respectively, the radius of cylinder D3 and the center of circle respectively with rotor (2) The radius of slot B2 groove bottom is identical with the center of circle on spherical surface.
5. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that described to match oil clot It (4) is a cylindrical body, the diameter of the external cylindrical surface A4 of cylindrical body is equal with the diameter of rotor (2) both ends disc I2 and J2, cylinder It is opened on body there are two waist through hole B4 and C4, a waist through hole is communicated with high pressure chest, another waist through hole and low pressure chamber phase It is logical.
6. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that the sealing element packet Include cushion block (6) and elastic sealing strip (7), the shape of the cross section of long hole F1 is by circular arc L1, straight line, another circular arc L1 and another One straight line is connected in sequence, and is sequentially placed an elastic sealing strip (7) and a cushion block on each circular arc L1 inside-out (6), two cushion blocks (6) are located at the both sides of a piece of blade (3), and abut with blade (3);
Or, also combinable be integrated is placed in circular arc L1 for the cushion block (6) and elastic sealing strip (7).
7. a kind of high-performance multiple-blade hydraulic motor according to claim 1, which is characterized in that the cushion block (5) It is strip, cross section is crescent, the equal length of length and long hole F1;
The elastic sealing strip (7) is strip, and cross section is semi-circular shape, the radius phase of exradius and circular arc L1 Together, inner circle radius is identical as the radius of cushion block (6) crescent, the equal length of length and long hole F1.
8. a kind of high-performance multiple-blade hydraulic motor according to claim 2, which is characterized in that the rotor (2) There is no slot B2 on playing surface of the table A2, locating slot is only constituted by slot E2 and slot F2.
9. a kind of high-performance multiple-blade hydraulic motor according to claim 2, which is characterized in that the annulus J1's Thickness is identical as the thickness of annulus K1.
CN201811142486.7A 2018-09-28 2018-09-28 High-performance multi-blade hydraulic motor Active CN109185040B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603486A (en) * 1983-06-20 1985-01-09 Techno-Le:Kk Vane motor or pump
US4599058A (en) * 1984-08-31 1986-07-08 Rineer Hydraulics, Inc. Vane slots for a fluid power converter
CN101605995A (en) * 2007-04-10 2009-12-16 博格华纳公司 The variable-displacement dual vane pump
CN201723442U (en) * 2010-07-21 2011-01-26 安徽工程大学 Variable displacement energy-saving lubricating oil vane pump
CN102644590A (en) * 2011-02-18 2012-08-22 通用汽车环球科技运作有限责任公司 Adjustable vane cell pump with stator comprising recesses
CN103670901A (en) * 2013-12-16 2014-03-26 浙江大学 Multiple-blade hydraulic motor
CN103939335A (en) * 2013-12-23 2014-07-23 马江 Double-action variable vane impeller pump or motor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603486A (en) * 1983-06-20 1985-01-09 Techno-Le:Kk Vane motor or pump
US4599058A (en) * 1984-08-31 1986-07-08 Rineer Hydraulics, Inc. Vane slots for a fluid power converter
CN101605995A (en) * 2007-04-10 2009-12-16 博格华纳公司 The variable-displacement dual vane pump
CN201723442U (en) * 2010-07-21 2011-01-26 安徽工程大学 Variable displacement energy-saving lubricating oil vane pump
CN102644590A (en) * 2011-02-18 2012-08-22 通用汽车环球科技运作有限责任公司 Adjustable vane cell pump with stator comprising recesses
CN103670901A (en) * 2013-12-16 2014-03-26 浙江大学 Multiple-blade hydraulic motor
CN103939335A (en) * 2013-12-23 2014-07-23 马江 Double-action variable vane impeller pump or motor

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