CN102434382B - Radial piston rolling ball type end face valve low-speed high-torque hydraulic motor - Google Patents
Radial piston rolling ball type end face valve low-speed high-torque hydraulic motor Download PDFInfo
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- CN102434382B CN102434382B CN201110379726.7A CN201110379726A CN102434382B CN 102434382 B CN102434382 B CN 102434382B CN 201110379726 A CN201110379726 A CN 201110379726A CN 102434382 B CN102434382 B CN 102434382B
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Abstract
The invention relates to a radial piston rolling ball type hydraulic motor in an end face valve pair. The hydraulic motor comprises a waterway block 6, a shuttle valve 35, a valve plate 5, a rotor 4, a stator 1, a piston 3, a rolling ball 2, a thrust ring 22, a lip-shaped sealing ring 26 and a right end cover 24, wherein the shuttle valve 35 is arranged on the waterway block 6; the waterway block 6 is arranged on the valve plate 5; the rotor 4 is arranged on an extending shaft of the valve plate 5; the thrust ring 22 is arranged between the rotor 4 and the right end cover 24; the valve plate 5, the stator 1 and the right end cover 24 are assembled into a whole; and an inner curved surface 18 of the stator 1 has a compound curve structure which is combined with Archimedes spiral according to constant acceleration, constant deceleration. Due to the adoption of the end face valve, the invention has the characteristics that: the hydraulic motor has a compact structure, fewer friction pairs, light weight, stable work, wide speed regulating range and balanced static force on a supporting shaft, easily realizes low speed and high torque, and the like, and the hydraulic motor is particularly suitable for water hydraulic transmission.
Description
Technical field
The present invention relates to a kind of motor, especially a kind of radial piston rolling ball type end face valve low-speed high-torque hydraulic motor that adopts Natural Water (containing seawater and fresh water) to carry out work as hydraulic medium.
Background technique
Motor is a kind of energy conversion device, and the pressure energy of liquid is converted to mechanical energy by it, is the executive component in Hydraulic Power Transmission System, has critical role in hydraulic system.And that motor taking water as medium has more is clean, pollution-free, safety, cheapness, recycling rate are high, process the plurality of advantages such as simple.But taking water as medium, just must resolve the problem of the each side such as its leakage, wearing and tearing, corrosion, as the fretting wear problem between friction pair, the etching problem of component, reduces to leak and improves volumetric efficiency problem, cavitation erosion problem, and water attack problem.In the present Research aspect water hydraulic executive component and acquired achievement, mainly study water hydraulic axial piston motor and water hydraulic sliding-vane motor abroad, and existing procucts come out from both at home and abroad; Domestic only have research to water hydraulic axial piston motor.Water hydraulic axial piston motor and water hydraulic sliding-vane motor belong to high speed low torque motor, and its application and scope are inevitably restricted, and are particularly needing the occasion of low-speed big, and the space occasion that is restricted, is not easy to install gearbox.
Summary of the invention
For the technical problem of above-mentioned existence, the invention provides the transmission of a kind of radial piston rolling ball type low-speed big hydraulic pressure.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: the secondary low-speed high-torque hydraulic motor of a kind of radial piston rolling ball type end face valve, comprise water route piece 6, shuttle valve 35, thrust plate 5, rotor 4, stator 1, piston 3 and spin 2, thrust ring 22, lip-type packing 26, right end cap 24, shuttle valve 35 is arranged on water route piece 6, water route piece 6 is arranged on thrust plate 5, rotor 4 is arranged on the projecting shaft of thrust plate 5, thrust ring 22 is arranged between rotor 4 and right end cap 24, and thrust plate 5, stator 1 and right end cap 24 are assembled into one; Stator 1 negative camber 18 for by etc. acceleration, etc. the compound curve structure that combines with spiral of Archimedes of deceleration;
The first inlet and outlet channel 39 on water route piece 6 is connected with the first ring runner 45 by the S runner 44 on thrust plate 5, and the second inlet and outlet channel 40 on water route piece 6 is connected with the second ring runner 46 by the R runner 42 on thrust plate 5; Water route piece 6 A runner 8 above communicates with the V runner 50 of shuttle valve 35, and water route piece 6 B runner 10 above communicates with the U runner 49 of shuttle valve 35, and water route piece 6 D runner 12 above communicates with the X runner 54 of shuttle valve 35; C runner 11 on water route piece 6 bottom surfaces is connected with the E runner 13 of thrust plate 5;
On shuttle valve 35, there are four longitudinal runner U runners 49, V runner 50, X runner 54, P runner 36 and a transverse flow channels W runner 53, W runner 53 all communicates with U runner 49, V runner 50, X runner 54, P runner 36, E runner 13 on the supporting axle of U runner 49 and thrust plate 5 communicates, V runner 50 communicates by the first inlet and outlet channel 39 on the A runner 8 on water route piece 6 and water route piece 6, and X runner 54 communicates with the second inlet and outlet channel 40 on water route piece 6 by the D runner 12 on water route piece 6;
On the interior edge face of thrust plate 5 radially to the center of circle to having uniform n the 3rd groove 41, wherein n is more than or equal to 3 integer, each the 3rd groove 41 all communicates with the first ring runner 45 on end face, on the interior edge face of thrust plate 5 radially to circumferential uniform n the 4th groove 43 that has, each the 4th groove 43 all communicates with the second ring runner 46 on end face, on the exterior edge face of thrust plate 5, have vertically and leak the mouth of a river 38, the S runner 44 communicating with the first ring runner 45, E runner 13 on R runner 42 and the supporting axle communicating with the second ring runner 46, the radially H runner 21 that edge circumferentially also has uniform m the second groove 33 and is connected with each the second groove 33 on the supporting axle of thrust plate 5, wherein m is more than or equal to 4 even number, has low pressure runner 30 and coupled logical m at the axle head of the supporting axle of thrust plate 5
1individual uniform radially L runner 28, wherein m
1for being more than or equal to 1 integer, have the first circular groove 14 and the 3rd circular groove 27 at the two ends, left and right of the supporting axle of thrust plate 5 and be communicated with the T runner 47 of the first circular groove 14 and the 3rd circular groove 27,
On the left side of rotor 4, there is n
1individual uniform axial F runner 16, wherein n
1for being more than or equal to 5 integer, and n
1be not equal to the integral multiple of n, on rotor 4 external cylindrical surfaces, have n
1individual uniform radial column consent 17, in each plunger hole 17, all have plunger, plunger is made up of piston 3 and spin 2, and spin 2 is arranged in the ball-and-socket of piston 3, each plunger hole 17 bottoms all have one radially H runner 20 communicate with axial F runner 16 respectively, on the right-hand member external cylindrical surface of rotor 4, have m
2individual uniform radially M runner 32, the m having on the right side of rotor 4
2individual uniform axial N runner 34 and m
2individual radially M runner 32 communicates respectively, wherein m
2for being more than or equal to 1 integer;
On thrust ring 22, be processed with along circumferential uniform n
2individual the 5th groove 57, wherein n
2for being more than or equal to 4 even number, all there is axial second damping hole 56 at each the 5th groove 57 center, the other end of thrust ring 22 is processed with the second circular groove 23 and communicates with the second damping hole 56, on the circle end face of thrust ring 22, have one radially Y runner 58 communicate with the second circular groove 23.
Working procedure of the present invention is: first with flexible pipe, the Q runner 37 of P runner 36 on shuttle valve 35 and right end cap 24 is connected, the high pressure water of being supplied with by water pressure plunger pump is by the first inlet and outlet channel 39(on water route piece 6 or the second inlet and outlet channel 40) part enters the first ring runner 45(or second ring runner 46 of thrust plate 5) in, another part is by A runner 8(or D runner 12) enter V runner 50(or X runner 54 on shuttle valve 35) and shift the steel ball in one-way valve 52 onto the right (or on left side valve seat 51), at this moment in U runner 49 and P runner 36, be also full of high pressure water.The high pressure water entering in U runner 49 enters by the B runner 10 on water route piece 6, C runner 11 in the axial E runner 13 of thrust plate 5, then enter in the radially H runner 21 being connected with E runner 13, they are full of rapidly the second corresponding groove 33, and rotor 4 is floated to form hydrostatic support.The high pressure water that enters P runner 36 enters into the Q runner 37 of right end cap 24 and the Y runner 58 of thrust ring 22 by external hose, the second circular groove 23 of thrust ring 22 is full of, the action of hydraulic force that high pressure water in this time slot produces is on thrust ring 22, thrust ring 22 drive rotors 4 abut against on thrust plate 5 it, and the high pressure water in the second circular groove 23 also can pass through n simultaneously
2individual the second uniform damping hole 56 enters in the 5th corresponding groove 57, forms hydrostatic support, to reduce friction, the wearing and tearing between rotor 4 and thrust ring 22.The first ring runner 45(or the second ring runner 46 on thrust plate 5) in high pressure water by along circumferential uniform the 3rd groove 41(or the 4th groove 43) enter into the axial F runner 16 on rotor 4 end faces, then the radially H runner 20 on rotor 4 acts on plunger, and promote piston 3 and spin 2, spin 2 is contacted with the first groove 19 on stator 1 negative camber, the negative camber 18 of stator by etc. acceleration, etc. deceleration process with the compound curve that sieve's Archimedes helix combines.Just because of the effect of stator inner curve, spin 2 can be subject to together with piston 3 reaction force that stator 1 gives, and this power can be decomposed into and promote the tangential force that hydraulic motor rotor 4 rotates and the radial force balancing each other with plunger base hydraulic action.Tangential force finally acts on rotor body by spin 2, piston 3, produces torque, makes rotor 4 around central rotation, and on output shaft, forms certain rotating speed and moment of torsion.What adopt due to stator negative camber 18 is multiple-action inner curved mode simultaneously, so have several plunger actings in conjunction and drive the rotation of hydraulic motor rotor 4 at synchronization.When plunger (spin 2 and piston 3) backwater, be by radially G runner 20 of the low pressure on rotor 4, enter into the axial F runner 16 on rotor 4 end faces, and be full of on thrust plate 5 n along circumferential uniform the 4th groove 43(or the 3rd groove 41) and the second ring runner 46(or the first ring runner 45), then low-pressure water is through R runner 42(or S runner 44) and the second inlet and outlet channel 40(or the first inlet and outlet channel 39) get back to the low pressure mouth of a river of water pressure plunger pump.
In the time that hydraulic motor reverses, because making the high pressure runner of thrust plate 5 and the area of contact of rotor 4, the exchange of height setting-out diminishes, and thrust ring 22 still remains unchanged with the area of contact of rotor 4, will make like this, on rotor 4 end face that is attached to thrust plate 5 tightly, to cause excessive friction, wearing and tearing.For fear of the appearance of this phenomenon, in W runner 54, added the first damper 48, high pressure water can be first in the time entering runner 54 through the first damper 48 by under Pressure Drop, thereby reduce thrust ring 22 thrusts to rotor 4.
As a kind of optimal way of the present invention, the end face of described thrust plate 5 is plane, and the end face of described rotor 4 is plane; What make like this that the end face of rotor 4 coordinates with thrust plate 5 is more abundant, and flow is effective, and easy to process, and flow is simple;
As a kind of optimal way of the present invention, the end face of described thrust plate 5 is cambered surface, and the end face of described rotor 4 is cambered surface, although that processed complex a bit, can make that rotor 4 contacts with thrust plate 5 is more abundant, flow effect is better.
In above-mentioned two kinds of optimal ways, need on the interior edge face of thrust plate 5, be radially interior semicircle rectangle grooves 41 to the center of circle to having n the 3rd uniform groove 41, each interior semicircle rectangle groove 41 all communicates with the first ring runner 45 on end face, on the interior edge face of thrust plate 5, are radially outer semicircle rectangle grooves 43 to the circumferential n of having a 4th uniform groove 43, each outer semicircle rectangle groove 43 all communicates with the second ring runner 46 on end face, the circumferentially uniform n that is processed with of edge on the left side of rotor 4
1individual axial F runner 16, they can match with the interior semicircle rectangle groove 41 on thrust plate 5, outer semicircle rectangle groove 43, a logical high pressure water, a logical low-pressure water, is not connected each other.Interior semicircle rectangle groove 41, outer semicircle rectangle groove 43 interact with the axial F runner 16 on rotor 4 end faces, realize water inlet and the backwater of high and low setting-out.The axle stretching out on thrust plate 5 has been the effect of supporting.Because hydraulic pressure transmission wearing and tearing are more serious, are rectangular recess 33 in order to reduce the second groove 33 that wearing and tearing open on this axle, realize hydrostatic support.And in the plunger hole of rotor 4, be also processed with radially G runner 20, uniform n on they and end face
1individual axial F runner 16 is connected.So just high pressure water can be incorporated into radially G runner 20 by the interior semicircle rectangle groove 41 of thrust plate 5, outer semicircle rectangle groove 43, be applied on plunger, spin 2 is contacted with the negative camber of stator 1, drive rotor 4 to rotate.In order to be communicated with motor internal cavities, on the right-hand member external cylindrical surface of rotor 4, be processed with m
2individual uniform radially M runner 32, is processed with on right side and m that radially M runner 32 communicates
2individual uniform axial N runner 34, they make motor inside form good leakage way.
As a kind of optimal way of the present invention, described shuttle valve 35 is hydraulic pressure shuttle valve, because be all high pressure water runner in 5 runners of shuttle valve 35 inside, also because middle W runner 53 is equipped with one-way valve, one-way valve is made up of valve seat 51 and steel ball 52, ensures that with this U runner 49,36 two outlet passages of P runner always have high pressure water output.The first damper 48 is housed in X runner 54, and after can ensureing that positive and negative rotation of motor exchanges, the residual clamping force that rotor 4 is subject to can be not excessive.
As a kind of optimal way of the present invention, described thrust ring 22 has circumferentially uniform the second damping hole 56 and the 5th groove 57 of six edges, the 5th groove 57 is waist type groove 57, high pressure water is entered in waist type groove 57 by the second damping hole 56, form hydrostatic support, thereby reduce friction, the wearing and tearing between rotor 4 and thrust ring 22.
As a kind of optimal way of the present invention, the negative camber 18 of described stator 1 is that cross section is circular groove 19 along circumferential first groove 19 that is processed with.Because motor is in operation process, spin 2 is that " point " contacts with stator 1 negative camber 18, and the contact stress of generation is excessive, will reduce the working life of stator 1, but also can make the pulsation rate of motor strengthen.Circular groove 19 on negative camber 18 makes spin 2 and the area of contact of stator 1 negative camber 18 become large, thereby has realized the object that reduces contact stress.
The invention has the beneficial effects as follows: this invention, owing to having flow window on thrust plate and rotor, reduces friction, wearing and tearing between the two.The design of hydrostatic support groove on thrust plate supporting axle, reduces the friction of rotor inner hole and supporting axle, wearing and tearing.Adding of thrust ring, rotor can better be contacted with thrust plate, reduces to leak, and it is good that flow effect becomes, and auto-compensation is realized in the gap of wearing and tearing.Adding of shuttle valve, solves motor after clockwise and anticlockwise is exchanged, and due to the increase of residual clamping force, makes the friction of rotor and thrust plate, the problem that wearing and tearing increase.The acceleration such as stator negative camber employing, etc. the compound curve that combines with sieve's Archimedes helix of deceleration, low pulsation, multifunctional working method are realized, and the processing of circumferential recess on curved surface, the contact stress between spin and stator is reduced, extend the working life of motor.The present invention simultaneously adopts unique valve plate distribution mode, its compact structure, and friction pair is few, lightweight, stable working, speed adjustable range is large, static balancing on supporting axle.This motor can directly drive crawler belt operation, and rail wheel drives, various pivot-lift mechanism, exploration drilling, belt conveying, material Jiao Yundeng mechanism.Particularly, in the occasion that needs hydraulic pressure transmission and space to be restricted again, to be not easy to install gearbox, it is particularly important that designed radial piston rolling ball type low-speed big sea, fresh water pressure motor just shows.
Brief description of the drawings
Fig. 1 is the plan view of radial piston rolling ball type end face valve low-speed high-torque hydraulic motor;
Fig. 2 is the left view of radial piston rolling ball type end face valve low-speed high-torque hydraulic motor;
Fig. 3 is the right elevation of radial piston rolling ball type end face valve low-speed high-torque hydraulic motor;
Fig. 4 is that the A-A of Fig. 3 radial piston rolling ball type end face valve low-speed high-torque hydraulic motor is to sectional view;
Fig. 5 is the plan view of thrust plate;
Fig. 6 is that the B-B of Fig. 5 thrust plate is to sectional view;
Fig. 7 is that the C-C of Fig. 5 thrust plate is to sectional view;
Fig. 8 is the right elevation of thrust plate;
Fig. 9 is that the D-D of Fig. 8 thrust plate is to sectional view;
Figure 10 is the left view of thrust plate;
The plan view of Figure 11 rotor;
Figure 12 is the right elevation of rotor;
Figure 13 is the left view of rotor;
Figure 14 is that the H-H of Figure 12 rotor is to sectional view;
Figure 15 is the plan view of shuttle valve;
Figure 16 is the plan view of shuttle valve;
Figure 17 is the worm's eye view of shuttle valve;
Figure 18 is that the I-I of Figure 17 shuttle valve is to sectional view;
Figure 19 is the left view of stator;
Figure 20 is that the J-J of Figure 19 stator is to sectional view;
Figure 21 is the sectional view of stator negative camber;
Figure 22 is the plan view of water route piece;
Figure 23 is the plan view of water route piece;
Figure 24 is that the K-K of Figure 22 water route piece is to sectional view;
Figure 25 is the plan view of thrust ring;
Figure 26 is the plan view of thrust ring;
Figure 27 is the worm's eye view of thrust ring;
Figure 28 is that the L-L of Figure 26 thrust ring is to sectional view;
Figure 29 is the plan view of right end cap;
Figure 30 is the plan view of right end cap;
Figure 31 is that the M-M of Figure 30 right end cap is to sectional view;
Figure 32 is the plan view of the embodiment of the present invention 2;
Figure 33 is the right elevation of the embodiment of the present invention 2;
Figure 34 is that A ＇-A ＇ of Figure 33 embodiment of the present invention 2 is to sectional view;
Figure 35 is the plan view of the embodiment of the present invention 2 thrust plates;
Figure 36 is that the E-E of Figure 35 thrust plate is to sectional view;
Figure 37 is that the F-F of Figure 35 thrust plate is to sectional view;
Figure 38 is the right elevation of the embodiment of the present invention 2 thrust plates;
Figure 39 is that the G-G of Figure 38 thrust plate is to sectional view;
Figure 40 is the right elevation of rotor;
Figure 41 is that H ＇-H ＇ of Figure 40 rotor is to sectional view;
Figure 42 is the left view of rotor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to further concrete detailed explanation.
Embodiment 1:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the secondary hydraulic motor of a kind of radial piston rolling ball type end face valve, comprise water route piece 6, shuttle valve 35, thrust plate 5, rotor 4, stator 1, thrust ring 22, right end cap 24, shuttle valve 35 is fixed on water route piece 6 by four bolts 7, water route piece 6 is fixed on thrust plate 5 by four bolts 9, rotor 4 is arranged on the projecting shaft of thrust plate 5, after assembling, supporting axle and rotor 4 can form second cavity 31, thrust ring 22 is arranged between rotor 4 and right end cap 24, on right end cap 24, have four rectangle grooves 59, on thrust ring 22, there are four square keys 55, after putting into, can limit it in axial rotation, bolt 15 is by thrust plate 5, stator 1 and right end cap 24 couple together formation one, add lip-type packing 26 in right end cap 24 the insides, at this moment seal ring inside, rotor 4 forms the first cavity 25 with right end cap 24,
As shown in Figure 1, Figure 2, shown in Fig. 4, Figure 22, Figure 23 and Figure 24, the first inlet and outlet channel 39 on water route piece 6 is connected with the first ring runner 45 by the S runner 44 on thrust plate 5, and the second inlet and outlet channel 40 on water route piece 6 is connected with the second ring runner 46 by the R runner 42 on thrust plate 5; Water route piece 6 A runner 8 above communicates with the V runner 50 of shuttle valve 35, and water route piece 6 B runner 10 above communicates with the U runner 49 of shuttle valve 35, and water route piece 6 D runner 12 above communicates with the X runner 54 of shuttle valve 35; C runner 11 on piece bottom surface, water route is connected with the E runner 13 of thrust plate 5;
As Fig. 4, Figure 15, Figure 16, shown in Figure 17 and Figure 18, in shuttle valve 35, be provided with four longitudinal water flow passage X runners 54, U runner 49, V runner 50, P runner 36, , a transverse flow channels W runner 53, an one-way valve is installed in W runner 53, this valve is made up of valve seat 51 and steel ball 52, first damping hole 48 is housed in X runner 54, wherein the A runner 8 on V runner 50 and water route piece 6 communicates, X runner 54 communicates with the D runner 12 on water route piece 6, E runner 13 on the supporting axle of U runner 49 and thrust plate 5 communicates, P runner 36 is to pass through external hose, Q runner 37 on right end cap 24, Y runner 58 in thrust ring 22, enter into the second circular groove 23.After exchanging at the high and low pressure mouth of a river, the high pressure runner of thrust plate 5 and the area of contact of rotor 4 are diminished, and thrust ring 22 still remains unchanged with the area of contact of rotor 4, will make like this on rotor 4 end face that is attached to thrust plate 5 tightly, cause excessive friction, wearing and tearing.For fear of the appearance of this phenomenon, in X runner 54, add the first damper 48, high pressure water is being reduced by the rear pressure of the first damper 48, thereby reduces thrust ring 22 and impose on the thrust of rotor 4.
As Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Fig. 9 and Figure 10, on the interior edge face of thrust plate 5 radially to the center of circle to having 6 uniform interior semicircle rectangle grooves 41, each interior semicircle rectangle groove 41 all communicates with the first ring runner 45 on end face, on the interior edge face of thrust plate 5, radially have a semicircle rectangle groove 43 outside uniform 6 to circumferential, each outer semicircle rectangle groove 43 all communicates with the second ring runner 46 on end face, on the exterior edge face of thrust plate 5, have vertically and leak the mouth of a river 38, the S runner 44 communicating with the first ring runner 45, E runner 13 on R runner 42 and the supporting axle communicating with the second ring runner 46, on the supporting axle of thrust plate 5 along circumferentially also having radially H runner 21 of four uniform rectangular recess 33 and be connected with each groove 33 four, axle head at the supporting axle of thrust plate 5 has low pressure runner 30 and coupled four logical uniform radially L runners 28, have the first circular groove 14 and the 3rd circular groove 27 at the two ends, left and right of supporting axle and be communicated with the T runner 47 of two circular groove the first circular grooves 14 and the 3rd circular groove 27, when high pressure water enters the first ring runner 45(or the second ring runner 46) after can be full of rapidly six semicircle rectangle grooves, enter the axial F runner 16 of the rotor 4 matching with thrust plate 5 and radially in G runner 20 simultaneously, high pressure water is just applied on plunger like this, and spin 2 and the negative camber 18 of stator 1 are acted on mutually.Simultaneously low-pressure water can enter the second ring runner 46(or the first ring runner 45 by all the other six the semicircle rectangle grooves on thrust plate 5 end faces) get back to system.Radially H runner 21(is uniform always on the supporting axle of thrust plate 5, also to have the E runner 13 of logical high pressure water and coupled logical 4), as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 11, Figure 12 and Figure 13.It is individual uniform that high pressure water enters rectangular recess 33(4 by E runner 13 and H runner 21), thus on the axle of thrust plate 5, form hydrostatic support, friction, wearing and tearing between rotor 4 and thrust plate 5 are reduced.In order to facilitate the high pressure water on thrust plate 5 supporting axles to flow away, drive the first circular groove 14 and the 3rd circular groove 27 at the two ends, left and right of supporting axle and be communicated with the T runner 47 of two circular grooves.The high pressure water flowing out can be uniform along the radially M of rotor 4 runner 32(4) enter into the second cavity 31 that rotor 4 and stator 1 form.Simultaneously for the water in the second cavity 31 that thrust plate 5 supporting axles and rotor 4 form is flowed out, on supporting axle, beat that radially L runner 28(4 is individual uniform) and the low pressure runner 30 that communicates with it, wherein radially L runner 28 is also connected with the 3rd circular groove 27.Water in such the second cavity 31 also can be uniform by the radially M runner 32(4 on rotor 4) flow away.
As shown in Fig. 4, Figure 11, Figure 12, Figure 13 and Figure 14, on rotor 4, be processed with ten uniform radial column consents 17, in each plunger hole 17, be all equipped with plunger, in plunger, have spin 2 and piston 3, on rotor 4, be also processed with eight uniform axial splines grooves 29 that are connected with outer load; As shown in Figure 19, Figure 20 and Figure 21, the internal surface of stator 1 by etc. acceleration, etc. the compound curve that combines with sieve's Archimedes helix of deceleration be processed into the negative camber 18 of six effects, on curved surface, process an arc groove 19, spin 2 be in the ball-and-socket of piston 3 and and arc groove 19 contact; On the end face of rotor 4, be processed with along circumferential ten uniform axial F runners 16, they can match with the interior semicircle rectangle groove 41 on thrust plate 5, outer semicircle rectangle groove 43, and in the plunger hole of rotor 4, being also processed with radially G runner 20, they are connected with ten axial F runners 16 uniform on end face.So just high pressure water can be incorporated into radially G runner 20 by the interior semicircle rectangle groove 41 of thrust plate 5, outer semicircle rectangle groove 43, be applied on plunger (spin 2 and piston 3), spin 2 is withstood on the arc groove 19 of stator negative camber 18, negative camber 18 can give plunger reaction force simultaneously, this reaction force finally acts on rotor 4 by plunger, and rotor 4 is rotated around the supporting axle of thrust plate 5;
As shown in Figure 25, Figure 26, Figure 27 and Figure 28, on thrust ring 22, be processed with circumferentially uniform the second damping hole 56 and six uniform waist type grooves 57 of six edges, the second damping hole 56 is connected with the second circular groove 23 of thrust ring 22, in the time having high pressure water to enter the second circular groove 23, will be full of waist type groove 57 by the second tiny damping hole 56, thereby form the hydrostatic support of end face.When thrust ring 22 compresses rotor 4, just avoid like this dry friction, reached the object that reduces friction, wearing and tearing.On the circle end face of thrust ring 22, be processed with circumferentially uniform square key 55 of four edges simultaneously, with two with respect to the square key line of centres become the position at 30 ° of angles also to have Y runner 58 to communicate with the second circular groove 23;
Thrust ring 22 is arranged between rotor 4 and right end cap 24, has circumferentially uniform rectangle groove 59 of four edges on right end cap 24, after thrust ring 22 is put into, limits it in axial rotation, reduces friction, wearing and tearing.The high pressure water that enters into thrust ring the second circular groove 23 by the Q runner 37 on right end cap 24 acts on the end face of rotor 4 rotor 4 is close on the end face of thrust plate 5, reduces the leakage of motor, improves the volumetric efficiency of water motor with this.Add lip-type packing 26 in right end cap 24 the insides, realize the sealing of hydraulic motor output shaft.Bolt 15 couples together thrust plate 5, stator 1 and right end cap 24, forms complete hydraulic motor entirety;
Be processed with the second circular groove 23 in the right side of thrust ring 22, high pressure water is introduced, to realize the difference of rotor 4 both sides impacting forces, thereby produced residual clamping force, rotor 4 can well be in contact with one another with thrust plate 5, also play the effect of compensate for clearance simultaneously.And on the circle end face of thrust ring 22, be processed with along circumferential four uniform square keys 55, can limit the axial rotation of thrust ring 22, reduce friction, wearing and tearing between thrust ring 22 and rotor 4;
As shown in Figure 12, Figure 14, the right-hand member of rotor 4 has 4 uniform 32 and 4 uniform axial N runners 34 of radially M runner, and these two runners all communicate with the first cavity 25 and the second cavity 31, so just can facilitate flowing of water, is unlikely to cause dead space.
The stator 1 of radial piston rolling ball type end face valve low-speed big sea, fresh water pressure motor adopts six effect inner curves, as shown in figure 21.Just because of the effect of stator inner curve, spin 2 can be subject to the effect of the reaction force that stator 1 gives together with piston 3, a part for this reaction force finally acts on rotor body by spin 2, piston 3, produce torque, make rotor 4 around central rotation, and on output shaft, form certain rotating speed and moment of torsion.And on stator negative camber along the circumferential arc groove 19 that is also processed with, as shown in figure 20.Spin 2 belongs to a contact with contacting of stator negative camber, and some contact will cause very large contact stress, and long-term running will produce fatigue ruption, and stator 1 is scrapped.The design of arc groove 19, has increased the be in contact with one another area of spin 2 with negative camber 18, thereby has reached the object that reduces contact stress.
As shown in Figure 29, Figure 30 and Figure 31, on right end cap 24, edge is circumferentially processed with 4 uniform rectangle grooves 59, with two with respect to the square key line of centres become the position at 30 ° of angles to be processed with Q runner 37 to communicate with thrust ring Y runner 58, square key on thrust ring 22 55 is put in the rectangle groove 59 on right end cap 24, can be limited it in axial rotation.
The first inlet and outlet channel 39 on water route piece 6 is connected with the first ring runner 45 by the S runner 44 on thrust plate 5, the second inlet and outlet channel 40 on water route piece 6 is connected with the second ring runner 46 by the R runner 42 on thrust plate 5, on thrust plate 5, have circumferentially uniform interior semicircle rectangle groove 41 and the circumferentially uniform outer semicircle rectangle groove 43 of 6 edges being connected with the second ring runner 46 of 6 edges being connected with the first ring runner 45, they with axial F runner 16 on rotor 4 and radially G runner 20 be connected.Water route piece 6 A runner 8, B runner 10 and D runner 12 is above connected with V runner 50, U runner 49 and the X runner 54 of shuttle valve 35 respectively simultaneously, C runner 11 on piece bottom surface, water route is connected with the E runner 13 of thrust plate 5, the P runner 36 of shuttle valve 35 is connected with the Q runner 37 of right end cap 24 by flexible pipe, Q runner 37 communicates with the second circular groove 23 by the Y runner 58 of thrust ring 22, and the second circular groove 23 communicates with the second damping hole 56 again.
The present invention proposes a kind of radial piston rolling ball type end face valve low-speed big sea, fresh water pressure motor, as shown in Figure 4, its working principle is that the high pressure water supplied with by water pressure plunger pump is by the first inlet and outlet channel 39(on water route piece 6 or the second inlet and outlet channel 40) part enters the first ring runner 45(or second ring runner 46 of thrust plate 5) in, another part is by A runner 8(or D runner 12) enter V runner 50(or X runner 54 on shuttle valve 35) and shift the steel ball in one-way valve 52 onto the right (or on left side valve seat 51), at this moment in U runner 49 and P runner 36, be also full of high pressure water.The high pressure water entering in U runner 49 enters by the B runner 10 on water route piece 6, C runner 11 in the axial E runner 13 of thrust plate 5, then enter in the radially H runner 21 being connected with axial E runner 13, they are full of rapidly corresponding rectangular recess 33, and rotor 4 is floated to form hydrostatic support.The high pressure water that enters P runner 36 enters into the Q runner 37 of right end cap 24 and the hole Y runner 58 of thrust ring 22 by external hose, the second circular groove 23 of thrust ring 22 is full of, the action of hydraulic force that high pressure water in this time slot produces is on thrust ring 22, thrust ring 22 drive rotors 4 abut against on thrust plate 5 it, and the high pressure water in the second circular groove 23 also can pass through n simultaneously
2individual the second uniform damping hole 56 enters in corresponding kidney slot 57, forms hydrostatic support, to reduce friction, the wearing and tearing between rotor 4 and thrust ring 22.The first ring runner 45(or the second ring runner 46 on thrust plate 5) in high pressure water by along circumferential uniform interior semicircle rectangle groove 41(or outer semicircle rectangle groove 43) enter into the axial F runner 16 on rotor 4 end faces, then the radially G runner 20 on rotor 4 acts on plunger, and promote piston 3 and spin 2, piston 3 is radially outwards motion under the effect of radial force, thereby the spin being in contact with it 2 is pressed on the negative camber of stator 1.Just because of the effect of stator inner curve, spin 2 can be subject to together with piston 3 reaction force that stator 1 gives, and this power can be decomposed into and promote the tangential force that hydraulic motor rotor 4 rotates and the radial force balancing each other with plunger base hydraulic action.Tangential force finally acts on rotor body by spin 2, piston 3, produces torque, makes rotor 4 around central rotation, and on output shaft, forms certain rotating speed and moment of torsion.What adopt due to stator negative camber 18 is multiple-action inner curved mode simultaneously, so have several plunger actings in conjunction and drive the rotation of hydraulic motor rotor 4 at synchronization.When plunger backwater, be by radially G runner 20 of the low pressure on rotor 4, enter into the axial F runner 16 on rotor 4 end faces, and be full of circumferentially uniform outer semicircle rectangle groove 43(or interior semicircle rectangle groove 41 of 6 edges on thrust plate 5) and the second ring runner 46(or the first ring runner 45), then low-pressure water is through R runner 42(or S runner 44) and the second inlet and outlet channel 40(or the first inlet and outlet channel 39) get back to the low pressure mouth of a river of water pressure plunger pump.
Embodiment 2:
As 32, as shown in Figure 33 and Figure 34, a kind of radial piston rolling ball type hydraulic motor of valve plate distribution pair, comprise water route piece 6, shuttle valve 35, thrust plate 5 ＇, rotor 4 ＇, stator 1, thrust ring 22, right end cap 24, except thrust plate 5 ＇ and rotor 4 ＇, the structure of remaining part is all identical with embodiment 1 with assembling, as shown in Figure 35-Figure 42, the end face of thrust plate 5 ＇ is cambered surface, the end face of rotor 4 ＇ is cambered surface, on the interior edge face of thrust plate 5 ＇ radially to the center of circle to having six uniform interior semicircle rectangle grooves 41, each interior semicircle rectangle groove 41 all communicates with the first ring runner 45 on end face, on the interior edge face of thrust plate 5 ＇, radially have six uniform outer semicircle rectangle grooves 43 to circumferential, each outer semicircle rectangle groove 43 all communicates with the second ring runner 46 on end face, on the left side of rotor 4 ＇, be processed with four axial F runners 16 along circumferentially uniform, they can with thrust plate 5 on interior semicircle rectangle groove 41, outer semicircle rectangle groove 43 matches, a logical high pressure water, a logical low-pressure water, not connected each other.Interior semicircle rectangle groove 41, outer semicircle rectangle groove 43 interact with the axial F runner 16 on rotor 4 ＇ end faces, realize water inlet and the backwater of high and low setting-out.The axle stretching out on thrust plate 5 ＇ has been the effect of supporting.Because hydraulic pressure transmission wearing and tearing are more serious, on this axle, open groove 33 in order to reduce wearing and tearing, realize hydrostatic support.And in the plunger hole of rotor 4 ＇, being also processed with radially G runner 20, they are connected with four axial F runners 16 uniform on end face.So just high pressure water can be incorporated into radially G runner 20 by the interior semicircle rectangle groove 41 of thrust plate 5, outer semicircle rectangle groove 43, be applied on plunger, spin 2 is contacted with the negative camber of stator 1, drive rotor 4 ＇ to rotate.In order to be communicated with motor internal cavities, on the right-hand member external cylindrical surface of rotor 4 ＇, be processed with four uniform radially M runners 32, on right side, be processed with four uniform axial N runners 34 that communicate with M runner 32 radially, they make motor inside form good leakage way.
Claims (5)
1. the secondary hydraulic motor of radial piston rolling ball type end face valve, it is characterized in that: comprise water route piece (6), shuttle valve (35), thrust plate (5), rotor (4), stator (1), piston (3) and spin (2), thrust ring (22), lip-type packing (26), right end cap (24), shuttle valve (35) is arranged on water route piece (6), water route piece (6) is arranged on thrust plate (5), rotor (4) is arranged on the projecting shaft of thrust plate (5), thrust ring (22) is arranged between rotor (4) and right end cap (24), thrust plate (5), stator (1) and right end cap (24) are assembled into one, stator (1) negative camber (18) for by etc. acceleration, etc. the compound curve structure that combines with spiral of Archimedes of deceleration,
The first inlet and outlet channel (39) on water route piece (6) is connected with the first ring runner (45) by the S runner (44) on thrust plate (5), and the second inlet and outlet channel (40) on water route piece (6) is connected with the second ring runner (46) by the R runner (42) on thrust plate (5); Water route piece (6) A runner (8) above communicates with the V runner (50) of shuttle valve (35), water route piece (6) B runner (10) above communicates with the U runner (49) of shuttle valve (35), and water route piece (6) D runner (12) above communicates with the X runner (54) of shuttle valve (35); C runner (11) on water route piece (6) bottom surface is connected with the E runner (13) of thrust plate (5);
On shuttle valve (35), there are four longitudinal runner U runners (49), V runner (50), X runner (54), P runner (36) and a transverse flow channels W runner (53), W runner (53) and U runner (49), V runner (50), X runner (54), P runner (36) all communicates, E runner (13) on the supporting axle of U runner (49) and thrust plate (5) communicates, V runner (50) communicates by the first inlet and outlet channel (39) on A runner (8) and water route piece (6) on water route piece (6), X runner (54) communicates with the second inlet and outlet channel (40) on water route piece (6) by the D runner (12) on water route piece (6),
On the interior edge face of thrust plate (5) radially to the center of circle to having uniform n the 3rd groove (41), wherein n is more than or equal to 3 integer, each the 3rd groove (41) all communicates with the first ring runner (45) on end face, on the interior edge face of thrust plate (5) radially to circumferential uniform n the 4th groove (43) that has, each the 4th groove (43) all communicates with the second ring runner (46) on end face, on the exterior edge face of thrust plate (5), have vertically and leak the mouth of a river (38), the S runner (44) communicating with the first ring runner (45), the R runner (42) communicating with the second ring runner (46) and E runner (13), the radially H runner (21) that edge circumferentially also has uniform m the second groove (33) and is connected with each the second groove (33) on the supporting axle of thrust plate (5), wherein m is more than or equal to 4 even number, has low pressure runner (30) and coupled logical m at the axle head of the supporting axle of thrust plate (5)
1individual uniform radially L runner (28), wherein m
1for being more than or equal to 1 integer, have the first circular groove (14) and the 3rd circular groove (27) at the two ends, left and right of the supporting axle of thrust plate (5) and be communicated with the T runner (47) of the first circular groove (14) and the 3rd circular groove (27),
On the left side of rotor (4), there is n
1individual uniform axial F runner (16), has n on rotor (4) external cylindrical surface
1individual uniform radial column consent (17), wherein n
1for being more than or equal to 5 integer, and n
1be not equal to the integral multiple of n, each plunger hole all has plunger in (17), plunger is made up of piston (3) and spin (2), spin (2) is arranged in the ball-and-socket of piston (3), each plunger hole (17) bottom all have one radially G runner (20) communicate with axial F runner (16) respectively, on the right-hand member external cylindrical surface of rotor (4), have m
2individual uniform radially M runner (32), the m having on the right side of rotor (4)
2individual uniform axial N runner (34) and m
2individual radially M runner (32) communicates respectively, wherein m
2for being more than or equal to 1 integer;
On thrust ring (22), be processed with along circumferential uniform n
2individual the 5th groove (57), wherein n
2for being more than or equal to 4 even number, all there is axial second damping hole (56) at the center of each the 5th groove (57), the other end of thrust ring (22) is processed with the second circular groove (23) and communicates with damping hole (56), on the circle end face of thrust ring (22), have one radially Y runner (58) communicate with the second circular groove (23);
The negative camber (18) of described stator (1) is that cross section is the groove (19) of circular arc along circumferential the first groove (19) that is processed with.
2. the secondary hydraulic motor of a kind of radial piston rolling ball type end face valve according to claim 1, it is characterized in that: the end face of described thrust plate (5) is plane, the end face of described rotor (4) is plane, on the interior edge face of thrust plate (5), be radially interior semicircle rectangle groove (41) to the center of circle to having n the 3rd uniform groove (41), each interior semicircle rectangle groove (41) all communicates with the first ring runner (45) on end face, on the interior edge face of thrust plate (5), be radially outer semicircle rectangle groove (43) to the circumferential n of having a 4th uniform groove (43), each outer semicircle rectangle groove (43) all communicates with the second ring runner (46) on end face, the circumferentially uniform n that is processed with of edge on the left side of rotor (4)
1individual axial F runner (16) is processed with m on the right-hand member external cylindrical surface of rotor (4)
2individual uniform radially M runner (32), is processed with on right side and m that radially M runner (32) communicates
2individual uniform axial N runner (34).
3. the secondary hydraulic motor of a kind of radial piston rolling ball type end face valve according to claim 1, it is characterized in that: the end face of described thrust plate (5) is cambered surface, the end face of described rotor (4) is cambered surface, on the interior edge face of thrust plate (5), be radially interior semicircle rectangle groove (41) to the center of circle to having n the 3rd uniform groove (41), each interior semicircle rectangle groove (41) all communicates with the first ring runner (45) on end face, on the interior edge face of thrust plate (5), be radially outer semicircle rectangle groove (43) to the circumferential n of having a 4th uniform groove (43), each outer semicircle rectangle groove (43) all communicates with the second ring runner (46) on end face, the circumferentially uniform n that is processed with of edge on the left side of rotor (4)
1individual axial F runner (16) is processed with m on the right-hand member external cylindrical surface of rotor (4)
2individual uniform radially M runner (32), is processed with on right side and m that radially M runner (32) communicates
2individual uniform axial N runner (34).
4. the secondary hydraulic motor of a kind of radial piston rolling ball type end face valve according to claim 1, is characterized in that: described shuttle valve (35) is hydraulic pressure shuttle valve, and the first damper (48) is housed in X runner (54).
5. the secondary hydraulic motor of a kind of radial piston rolling ball type end face valve according to claim 1, it is characterized in that: described thrust ring (22) has circumferentially uniform damping hole (56) and the 5th groove (57) of six edges, and the 5th described groove (57) is waist type groove (57).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110379726.7A CN102434382B (en) | 2011-11-25 | 2011-11-25 | Radial piston rolling ball type end face valve low-speed high-torque hydraulic motor |
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| CN201110379726.7A CN102434382B (en) | 2011-11-25 | 2011-11-25 | Radial piston rolling ball type end face valve low-speed high-torque hydraulic motor |
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| CN102434382B true CN102434382B (en) | 2014-09-10 |
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| CN103423079B (en) * | 2013-08-20 | 2016-04-13 | 曾江华 | A kind of bulb stopper radial direction arranges radial ball rolling oil hydraulic motor more |
| CN104481798A (en) * | 2014-11-26 | 2015-04-01 | 宁波中意液压马达有限公司 | High-pressure end surface oil distribution inner-curve bulb-stopper hydraulic motor |
| CN105526038A (en) * | 2016-02-17 | 2016-04-27 | 惠州市铼汇清洁设备有限公司 | Hydraulic motor |
| CN106246458B (en) * | 2016-09-14 | 2018-08-07 | 杨健 | A kind of rotary casing type fluid distribution of hydraulic motor device |
| CN112360675B (en) * | 2020-09-18 | 2022-02-11 | 燕山大学 | Inner curve motor with three-phase winding and magnetizing cylinder |
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| US4386894A (en) * | 1982-01-11 | 1983-06-07 | Barto John A | Hybrid high pressure hydraulic turbine |
| CN201297128Y (en) * | 2008-11-05 | 2009-08-26 | 宁波市恒通液压科技有限公司 | Portable emulsion liquid drilling machine |
| CN201705544U (en) * | 2010-06-08 | 2011-01-12 | 宁波市恒通液压科技有限公司 | Low-speed high-torque radial plunger type hydraulic motor |
| CN102213179A (en) * | 2011-05-24 | 2011-10-12 | 宁波市恒通液压科技有限公司 | Plunger hydraulic motor with automatical initiative input and driven state switchover |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386894A (en) * | 1982-01-11 | 1983-06-07 | Barto John A | Hybrid high pressure hydraulic turbine |
| CN201297128Y (en) * | 2008-11-05 | 2009-08-26 | 宁波市恒通液压科技有限公司 | Portable emulsion liquid drilling machine |
| CN201705544U (en) * | 2010-06-08 | 2011-01-12 | 宁波市恒通液压科技有限公司 | Low-speed high-torque radial plunger type hydraulic motor |
| CN102213179A (en) * | 2011-05-24 | 2011-10-12 | 宁波市恒通液压科技有限公司 | Plunger hydraulic motor with automatical initiative input and driven state switchover |
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