CN206290363U - Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes - Google Patents
Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes Download PDFInfo
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- CN206290363U CN206290363U CN201621324299.7U CN201621324299U CN206290363U CN 206290363 U CN206290363 U CN 206290363U CN 201621324299 U CN201621324299 U CN 201621324299U CN 206290363 U CN206290363 U CN 206290363U
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- 238000000034 method Methods 0.000 abstract description 6
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- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 235000015927 pasta Nutrition 0.000 description 4
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- 239000003921 oil Substances 0.000 description 2
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Abstract
The utility model discloses a swash plate type spherical flow distribution high-pressure plunger motor with inclined cylinder holes, which comprises a shell, a motor cover, a main shaft, a cylinder body provided with a plurality of plunger holes and a plurality of plungers matched with the plunger holes on the cylinder body, wherein the center of the cylinder body is provided with a through hole, and the main shaft passes through the cylinder body to be matched with the through hole; the top end of the cylinder body is provided with a valve plate, and the bottom end of the cylinder body is provided with a swash plate; the top end surface of the cylinder body is a spherical concave surface, the corresponding end surface of the valve plate is a spherical convex surface, and the cylinder body and the valve plate are in spherical fit; the axis of the plunger hole on the cylinder body and the axis of the main shaft are both provided with a same included angle, and the vertical distance between the bottom end of the plunger hole and the main shaft is greater than that between the top end of the plunger hole and the main shaft. The motor adopts the spherical flow distribution inclined cylinder hole, so that the overturning moment is small, and the self-alignment property is good; the oil distribution surface is small, the mutual friction surface is small, and the bearing area is small; in addition, the plunger motor has the advantages of simple process, low requirement, good structural stability, high reliability, low noise and long service life, and can realize high stability and high reliability.
Description
Technical field
The utility model is related to a kind of oblique tray type plunger motor, is specifically related to a kind of inclined disc type oblique cylinder holes of sphere flow high
Hydraulic plunger motor.
Background technology
Hydraulic motor is very important energy conversion component in hydraulic system, and hydraulic energy is converted into mechanical energy by it, should
With widely.The difference of arrangement and the direction of motion and transmission main shaft relative position according to plunger, piston motor can be divided into axle
To piston motor and the class of radial plunger piston motor two；Wherein, axial piston motor can be divided into inclined disc type according to its motion-converting mechanism
Piston motor (also known as diacytic type axial piston motor) and inclined plunger motor (also known as bent shaft type axial piston motor).
For inclined plunger motor, its main shaft is not arranged on the same straight line with cylinder body axis, but is pressed from both sides into one
Angle, the advantage compared with oblique tray type plunger motor is：One be that the side force that plunger bears is much smaller, thus side force causes
Friction loss is smaller, and rotating speed is higher；Two is inclined-axis motors main shaft without pass through valve plate so that diameter of cylinder accordingly reduces,
So as to volume reduces, and leakage and friction loss reduce；Therefore the overall efficiency of inclined-axis motors is higher than swash plate motor.But its
Structural stability is poor, and processing technology is complicated, and manufacture difficulty is big, and material requirements is (domestic material can not meet requirement) high, and noise
Greatly, short life.
For oblique tray type plunger motor, after hydraulic oil is input into, hydraulic oil power promotes plunger group, by plunger group
Cylinder body is driven to rotate, while low pressure oil is exported, cylinder body drives main axis, realizes the lasting rotation operating mode of motor spindle.Tiltedly
Disc type piston motor process is simple, require low, structural stability is good, reliability is high, noise is low, long lifespan, and so it is relative to oblique
For shaft type piston motor, efficiency, rotating speed are relatively low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inclined disc type oblique cylinder holes high-pressure plunger of sphere flow
Motor, the piston motor effectively solves that existing motor technological requirement is high, is not easy to popularization, carry it is small, without nose balance, stabilization
The problems such as property, poor reliability, high cost.
Technical problem to be solved in the utility model is realized using following technical scheme：
A kind of oblique cylinder holes high-pressure plunger motor of inclined disc type sphere flow, including housing, motor cover, main shaft, be provided with it is some
The cylinder body of plunger hole and some plungers being adapted with cylinder body upper prop consent, wherein cylinder body center is provided with through hole, and main shaft is passed through
Cylinder body coordinates with through hole；Another cylinder body top is provided with valve plate, and cylinder body bottom is provided with swash plate；Cylinder body top end face is spherical concave surface, is matched somebody with somebody
Flow table correspondence end face is mating spherical surfaces between spherical convex surface, and cylinder body and valve plate；Plunger axially bored line and master on the cylinder body
Axle axis is equipped with an identical angle, and plunger hole bottom it is vertical with main shaft more than plunger hole top with main shaft vertical range away from
From.
The utility model further improvement is that：The cylinder body profile is in circular cone shape, and cylinder body bus and plunger hole axle
Line is parallel.
The utility model further improvement is that：The main shaft uses spline connection with cylinder body through hole.
The utility model further improvement is that：The piston motor also includes return plate and some piston shoes, and the backhaul
Disk and some piston shoes are located between cylinder body and swash plate；Wherein return plate is provided with some limiting through hole, and wherein piston shoes are respectively arranged on
In limiting through hole on return plate；Limiting through hole on the return plate is corresponded with plunger bottom position respectively.
The utility model further improvement is that：The piston shoes are in the boss-shaped that is adapted with limiting through hole, and piston shoes by
The spacing slip relative with swash plate supporting surface of return plate.
The utility model further improvement is that：The plunger bottom is provided with bulb, and piston shoes top is provided with ball-and-socket, and piston shoes
The ball-and-socket at top is adapted with the bulb of plunger bottom.
The utility model further improvement is that：The piston motor also includes controlling organization, and the controlling organization located at oblique
The horizontal two ends of disk.
The utility model further improvement is that：The controlling organization is variable piston assembly, and the variable piston assembly
Extended and retracted in the presence of hydraulic coupling and spring force respectively.
The utility model further improvement is that：Raceway is provided with the another two ends corresponding housing of swash plate level, swash plate is in the rolling
Its gradient is adjusted by controlling organization in road.
The utility model further improvement is that：The raceway is crescent moon bearing, and swash plate opposite ends pass through retainer
Connected with bearing roller.
The beneficial effects of the utility model are：The oblique tray type plunger motor, due to using spherical valve plate, its tilting moment
Small, cylinder body self-alignment is good；And cylinder body plunger axially bored line is provided with an angle, i.e. cylinder body plunger hole and compares main shaft to incline with main-shaft axis
Tiltedly, i.e., using oblique cylinder holes, it is small that it matches somebody with somebody pasta, then mutual rubbing surface is small, loaded area is small, plunger row long in unit volume stroke
Cheng great, then discharge capacity is big, output torque increase.And the piston motor process is simple, require low, structural stability is good, reliability is high,
Noise is low, long lifespan, is capable of achieving high stability and high reliability.
Brief description of the drawings
Fig. 1 is the utility model cross-sectional view；
Fig. 2 is A-A cross-sectional views in Fig. 1；
Fig. 3 is part B partial enlargement structural representation in Fig. 2；
Fig. 4 is cross-sectional view of the utility model through controlling organization；
Fig. 5 is the utility model port plate structure schematic diagram；
Fig. 6 a are the utility model cylinder body dimensional structure diagram；
Fig. 6 b are the utility model cylinder body main structure diagram；
Fig. 6 c are C-C cross-sectional views in Fig. 6 b.
Wherein：1- housings, 2- motor covers, 3- main shafts, 4- plunger holes, 5- cylinder bodies, 6- plungers, 7- through holes, 8- valve plates, 9-
Swash plate, 10- return plates, 11- piston shoes, 12- limiting through hole, 13- bulbs, 14- ball-and-sockets, 15- controlling organizations, 16- raceways, 17- is protected
Hold frame, 18- bearing rollers.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Fig. 1 to 6c, a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow, including housing 1, motor cover 2,
Main shaft 3, the cylinder body 5 for being provided with some plunger holes 4 and some plungers 6 being adapted with the upper prop consent 4 of cylinder body 5, wherein in cylinder body 5
The heart is provided with through hole 7, and main shaft 3 coordinates through cylinder body 5 with through hole 7；The another top of cylinder body 5 is provided with valve plate 8, and the bottom of cylinder body 5 is provided with
Swash plate 9, wherein valve plate 8 are fixedly connected with motor cover 2, and main shaft 3 is located by connecting through the center of valve plate 8 with cylinder body 5；Cylinder body
5 top end faces are spherical concave surface, and the correspondence end face of valve plate 8 is mating spherical surfaces between spherical convex surface, and cylinder body 5 and valve plate 8, so that
Realize that the tilting moment of cylinder body 5 is small, the self-alignment of cylinder body 5 is good；The axis of plunger hole 4 on the cylinder body 5 is equipped with one with the axis of main shaft 3
Identical angle, and the bottom of plunger hole 4 and the vertical range of main shaft 3 are more than on the top of plunger hole 4 and the vertical range of main shaft 3, i.e. cylinder body 5
It is oblique cylinder holes, so that it is matched somebody with somebody, pasta is small, and rubbing surface is small, and loaded area is small, and unit volume stroke is big, then discharge capacity is big, output
Moment of torsion is big.
The profile of the cylinder body 5 is in circular cone shape, and the bus of cylinder body 5 is parallel with the axis of plunger hole 4；On the one hand cylinder body is realized
5 tops are small with pasta with valve plate 8, and rubbing surface is small, and loaded area is small；Another aspect unit volume stroke is big, then discharge capacity
Greatly, output torque is big；Realize high stability and high reliability.
The main shaft 3 uses spline connection with the through hole of cylinder body 5；The steadiness that main shaft 3 is connected with cylinder body 5 is further ensured that,
Increase the stability and reliability of the oblique tray type plunger motor.
The piston motor also includes return plate 10 and some piston shoes 11, and the return plate 10 and some piston shoes 11 are located at cylinder
Between body 5 and swash plate 9；The wherein center of return plate 10 uses ball-joint with main shaft 3, and return plate 10 is provided with some limiting through hole
12, wherein piston shoes 11 are respectively arranged in the limiting through hole 12 on return plate 10；Limiting through hole 12 on the return plate 10 is distinguished
Corresponded with the bottom position of plunger 6；And the bottom of plunger 6 is provided with bulb 13, the top of piston shoes 11 is provided with ball-and-socket 14, and piston shoes
The ball-and-socket 14 at 11 tops is adapted with the bulb 13 of the bottom of plunger 6；Then can ensure that the bottom of each plunger 6 has correspondence to be stably connected with
Position, further ensures the stability and reliability of transmission.
The piston shoes 11 are in the boss-shaped that is adapted with limiting through hole 12, and piston shoes 11 are spacing with swash plate 9 by return plate 10
Supporting surface is relative to be slided；Piston shoes 11 are suppressed by return plate 10 is limited on the supporting surface of swash plate 9, and ensure that piston shoes 11 are relatively oblique
The supporting surface of disk 9 is slidably.
The piston motor also includes controlling organization 15, and the controlling organization 15 is located at the horizontal two ends of swash plate 9；The control machine
Structure 15 is variable piston assembly, and the variable piston assembly extends and retracts in the presence of hydraulic coupling and spring force respectively；Profit
The change at the angle of inclination of swash plate 9 can be realized with the controlling organization 15, the change of the speed and moment of torsion of motor output can be then realized.
It is provided with raceway 16 in the another two ends corresponding housing 1 of the level of swash plate 9, the raceway 16 is crescent moon bearing, and the correspondence of swash plate 9
Two ends are connected by retainer 17 and bearing roller 18, and swash plate 9 by controlling organization 15 in the crescent moon bearing in adjusting its gradient.
The oblique tray type plunger motor operations process is：Hydraulic oil is entered by high pressure entry, and the post of cylinder body 5 is entered through valve plate 8
Consent 4, bestows the hydraulic coupling of plunger 6, promotes plunger 6；The hydraulic coupling is carried out with the suffered normal reaction on swash plate 9 of piston shoes 11
Synthesis；Wherein, the plunger hole 4 of corresponding cylinder body 5 at low tension outlet, between plunger 6, piston shoes 11 and the end of swash plate 9 also produce a synthesis
Power；So that plunger 6 produces a torque to the center of cylinder body 5, the rotation of cylinder body 5 is then realized；And due to hydraulic oil not
Disconnected input, the continuous output of low pressure oil, so as to realize the lasting rotation of cylinder body 5；Because main shaft 3 and the through hole 7 of cylinder body 5 use spline
Connection, so as to realize driving main shaft 3 to rotate by cylinder body 5, realization is converted to the process of mechanical energy by hydraulic energy.
Wherein, the controlling organization 15 that swash plate 9 passes through two ends, adjusts gradient, so as to motor can be realized in the course of the work
The change of the speed and moment of torsion of output.
Because oblique tray type plunger motor has three pairs of main friction pairs：Cylinder body top and valve plate, plunger and cylinder body plunger hole,
Piston shoes and swash plate supporting surface.The oblique cylinder holes high-pressure plunger motor of inclined disc type sphere flow that the utility model is provided, on the one hand uses
Spherical valve plate, its tilting moment is small, and cylinder body self-alignment is good；Another aspect cylinder body plunger hole using inclined (plunger axially bored line with
Main-shaft axis is equipped with an identical angle, and plunger hole bottom it is vertical with main shaft more than plunger hole top with main shaft vertical range away from
From), it is small that it matches somebody with somebody pasta, then mutual rubbing surface is small, loaded area is small, and long in unit volume stroke, ram travel is big, then discharge capacity
Greatly, output torque increase.And the piston motor process is simple, requiring low, structural stability is good, reliability is high, noise is low, the life-span
It is long, it is capable of achieving high stability and high reliability.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.The utility model claims scope
By appending claims and its equivalent thereof.
Claims (10)
1. a kind of oblique cylinder holes high-pressure plunger motor of inclined disc type sphere flow, including housing, motor cover, main shaft, some posts are provided with
The cylinder body of consent and some plungers being adapted with cylinder body upper prop consent, wherein cylinder body center are provided with through hole, and main shaft passes through cylinder
Body coordinates with through hole；Another cylinder body top is provided with valve plate, and cylinder body bottom is provided with swash plate；It is characterized in that：Cylinder body top end face is ball
Shape concave surface, valve plate correspondence end face is mating spherical surfaces between spherical convex surface, and cylinder body and valve plate；Plunger hole on the cylinder body
Axis is equipped with an identical angle with main-shaft axis, and plunger hole bottom is more than plunger hole top and main shaft with main shaft vertical range
Vertical range.
2. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 1, it is characterised in that：It is described
Cylinder body profile is in circular cone shape, and cylinder body bus is parallel with plunger axially bored line.
3. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 1, it is characterised in that：It is described
Main shaft uses spline connection with cylinder body through hole.
4. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 1, it is characterised in that：The post
Saimaa reaches also includes return plate and some piston shoes, and the return plate and some piston shoes are located between cylinder body and swash plate；Wherein return
Journey disk is provided with some limiting through hole, and wherein piston shoes are respectively arranged in the limiting through hole on return plate；Limit on the return plate
Position through hole is corresponded with plunger bottom position respectively.
5. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 4, it is characterised in that：It is described
Piston shoes are in the boss-shaped being adapted with limiting through hole, and piston shoes are by the spacing slip relative with swash plate supporting surface of return plate.
6. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 5, it is characterised in that：It is described
Plunger bottom is provided with bulb, and the ball-and-socket that piston shoes top is provided with the top of ball-and-socket, and piston shoes is adapted with the bulb of plunger bottom.
7. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 1, it is characterised in that：The post
Saimaa reaches also includes controlling organization, and the controlling organization is located at the horizontal two ends of swash plate.
8. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 7, it is characterised in that：It is described
Controlling organization is variable piston assembly, and the variable piston assembly stretches out and contract in the presence of hydraulic coupling and spring force respectively
Return.
9. the oblique cylinder holes high-pressure plunger motor of a kind of inclined disc type sphere flow according to claim 7 or 8, it is characterised in that：
It is provided with raceway in the another two ends corresponding housing of swash plate level, swash plate by controlling organization in the raceway in adjusting its gradient.
10. a kind of inclined disc type oblique cylinder holes high-pressure plunger motor of sphere flow according to claim 9, it is characterised in that：Institute
Raceway is stated for crescent moon bearing, and swash plate opposite ends are connected by retainer and bearing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621324299.7U CN206290363U (en) | 2016-12-05 | 2016-12-05 | Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621324299.7U CN206290363U (en) | 2016-12-05 | 2016-12-05 | Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes |
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| Publication Number | Publication Date |
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| CN206290363U true CN206290363U (en) | 2017-06-30 |
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| CN201621324299.7U Active CN206290363U (en) | 2016-12-05 | 2016-12-05 | Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640514A (en) * | 2016-12-05 | 2017-05-10 | 太原理工大学 | Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes |
-
2016
- 2016-12-05 CN CN201621324299.7U patent/CN206290363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640514A (en) * | 2016-12-05 | 2017-05-10 | 太原理工大学 | Swash plate type spherical surface flow distribution high-pressure plunger motor with inclined cylinder holes |
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