CN206309592U - A kind of variable inner curve hydraulic pump of adjustable type or motor - Google Patents
A kind of variable inner curve hydraulic pump of adjustable type or motor Download PDFInfo
- Publication number
- CN206309592U CN206309592U CN201621419705.8U CN201621419705U CN206309592U CN 206309592 U CN206309592 U CN 206309592U CN 201621419705 U CN201621419705 U CN 201621419705U CN 206309592 U CN206309592 U CN 206309592U
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- China
- Prior art keywords
- stator
- motor
- hydraulic pump
- piston
- inner curve
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- Withdrawn - After Issue
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- Reciprocating Pumps (AREA)
Abstract
The utility model is related to a kind of variable inner curve hydraulic pump of adjustable type or motor, end cap, stator, valve plate that it includes power transmission shaft, is set gradually along the axial direction of power transmission shaft, the inwall of stator is intervally installed by multiple concave curved surfaces and multiple convex surfaces and is constituted, the inner space of stator is provided with the rotor being connected with power transmission shaft, rotor has multiple piston holes, the piston component being in contact with the inwall of stator is provided with piston hole, rotor and valve plate are respectively provided with the passage for delivery hydraulic pressure oil, and passage on rotor is connected with piston hole；The concave curved surface of stator inner wall along stator axially inclined setting, the variable inner curve hydraulic pump of adjustable type or motor also include the motor that one end is connected with stator and drives the stator multiple adjustable columns moved axially along itself, adjustable column movement is driven by transmission component, the one end of adjustable column is bulb, and the bulb is connected by fixed plate with stator.
Description
Technical field
The utility model is related to a kind of inner curve hydraulic pump or motor, more particularly to a kind of inner curve hydraulic pressure that can be adjusted
Pump or motor.
Background technology
Inner curve hydraulic pump/motor have small size, light weight, compact conformation, balanced radial force, torque ripple it is small, pass
Dynamic torque is big, starting efficiency is high, and can be widely used in hoist engine, heavy row under very low rotating speed the advantages of steady operation
In walking the hydraulic systems such as machinery, mining machinery, windlass peculiar to vessel, crane, other manufacturing tension systems.For require can
Drive (motor condition) and the operating mode of energy continuous braking (pump state), such as hoist engine, noon lifting and the whereabouts of crane, it is heavy
The driving of machinery and braking, tension system etc..
However, inner curve hydraulic pump/motor of the prior art is unadjustable in structure, the curved surface of stator inner wall is put down
Row is set in stator axial line, and stator and rotor can not be moved axially, whether motor operating conditions or pump condition, as long as
In the case where input is constant, its output is all constant.This makes its application receive limitation largely.
Utility model content
In order to solve the problems of the prior art, the purpose of this utility model is to provide a kind of variable inner curve liquid of adjustable type
Press pump or motor.
In order to achieve the above object, the utility model provides a kind of variable inner curve hydraulic pump of adjustable type or motor, it
Including power transmission shaft, the end cap, stator, the valve plate that are set gradually along the axial direction of power transmission shaft, the inwall of stator is by multiple concave curved surfaces
It is intervally installed with multiple convex surfaces and is constituted, the inner space of stator is provided with the rotor being connected with power transmission shaft, rotor
With multiple piston holes, the piston component being in contact with the inwall of stator is provided with piston hole, rotor and valve plate are respectively provided with
It is connected with piston hole for the passage of delivery hydraulic pressure oil, and passage on rotor；The concave curved surface of stator inner wall is along stator
Axially inclined setting, the variable inner curve hydraulic pump of adjustable type or motor are also connected with stator including one end and drive stator edge
Multiple adjustable columns of itself axial movement, the motor that adjustable column movement is driven by transmission component, the one end of adjustable column is ball
Head, the bulb is connected by fixed plate with stator.It should be noted that concave curved surface can be defined as the axle center towards stator
The curved surface that line arches upward, then convex surface is the curved surface arched upward towards stator outer wall, and concave curved surface can also be defined as towards outside stator
The curved surface that mural arch rises, then convex surface is the curved surface arched upward towards the axial line of stator.
Further, transmission component includes being connected with adjustable column phase threads turn and drives adjustable column to be moved axially along itself
Regulation gear ring, motor drive regulation ring gear against rotation.
Further, regulation gear ring is engaged by gear with the output shaft of motor and is connected.
Further, the axial line of adjustable column and the parallel setting of the axial line of stator.
Further, adjustable column is arranged on the opposite side relative with end cap side of stator.
Further, fixed plate is mutually fixedly connected with stator, has spherical pit on stator, and bulb is rotatably arranged in
In the pit, and the relative shifting between bulb and stator along stator shaft orientation is limited between pit and fixed plate and by fixed plate
It is dynamic.
Further, adjustable column at least three.
Further, multiple adjustable columns are uniformly distributed around the axial line of stator.
Further, concave curved surface moves closer to the axial line of stator from the side for being laterally away from end cap for being close to end cap.
Further, piston component includes the spring, the piston that set gradually, and piston one end is cylindrical hole, the circle of piston
One spring of connection, another end in contact stator inner wall of piston in post holes.
By adopting the above-described technical solution, a kind of variable inner curve hydraulic pump of adjustable type of the utility model or motor, lead to
Cross and be designed as in axial direction obliquely the concave curved surface of stator inner wall (i.e. the working face of stator), and stator is configured to
Axial movement, drives stator shaft orientation to move so that the piston component on rotor can be along different inner curves by adjustable column
Motion, and piston stroke, so as to change the output of pump/motor.The variable inner curve hydraulic pump of the utility model adjustable type or
Motor configuration is simply compact, using easy to operate, makes inner curve hydraulic pump or motor in the case where input is constant, it is also possible to lead to
The regulation crossed in structure changes output, has further widened the range of application of inner curve hydraulic pump or motor.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of a kind of variable inner curve hydraulic pump of adjustable type of the utility model or motor；
Accompanying drawing 2 is the axial view of stator in a kind of variable inner curve hydraulic pump of adjustable type of the utility model or motor.
In figure marked as：
1st, stator；11st, concave curved surface；12nd, convex surface；13rd, pit；2nd, rotor；21st, piston hole；22nd, a spring；23rd, it is living
Plug；24th, second channel；3rd, end cap；4th, valve plate；41st, first passage；5th, power transmission shaft；6th, adjustable column；61st, bulb；7th, tooth is adjusted
Circle；8th, motor；9th, fixed plate.
Specific embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature.
Referring to accompanying drawing 1 to accompanying drawing 2, a kind of variable inner curve hydraulic pump of adjustable type or motor in the present embodiment it include passing
Moving axis 5, the end cap 3, stator 1, the valve plate 4 that are set gradually along the axial direction of power transmission shaft 5, the inwall of stator 1 is by multiple concave curved surfaces
11 are intervally installed and constitute with multiple convex surfaces 12, and the inner space of stator 1 is provided with the rotor being connected with power transmission shaft 5
2, rotor 2 has the piston component being in contact with the inwall of stator 1 is provided with multiple piston holes, piston hole 21, rotor 2 and matches somebody with somebody
Flow table 4 is respectively provided with the passage for delivery hydraulic pressure oil, and the wherein passage on valve plate is first passage 41, the passage on rotor 2
It is second channel 24, and second channel 24 is connected with piston hole 21.
Piston component in the present embodiment includes the spring 22, the piston 23 that set gradually, and the one end of piston 23 is cylindrical hole,
One spring 22 of connection, another inwall of end in contact stator 1 of piston 23 in the cylindrical hole of piston 23.The setting of one spring 22 can make
Piston 23 is adjacent to the inwall of stator 1 when working.
The concave curved surface 11 of the inwall of stator 1 along stator 1 axially inclined setting, the extended surface of concave curved surface 11 and stator 1
Axial line intersects.In the present embodiment, concave curved surface 11 moves closer to stator 1 from the side for being laterally away from end cap 3 near end cap 3
Axial line, such as accompanying drawing 1 and accompanying drawing 2, a points compare b points further from the axial line of stator 1 in figure.It should be noted that concave curved surface
The curved surface arched upward towards the axial line of stator can be defined as, then convex surface is the curved surface arched upward towards stator outer wall, concave curved
Face can also be defined as the curved surface arched upward towards stator outer wall, then convex surface is the curved surface arched upward towards the axial line of stator.
Concave curved surface in the present embodiment is the curved surface arched upward towards stator outer wall.
The variable inner curve hydraulic pump of adjustable type or motor are also connected with stator 1 including one end and drive stator 1 along certainly
Multiple adjustable columns 6 of body axial movement, the motor 8 that the movement of adjustable column 6 is driven by transmission component, described one end of adjustable column 6
Portion is bulb 61, and the bulb 61 is connected by fixed plate 9 with stator 1.
In a kind of highly preferred embodiment, transmission component includes being connected and driving with the phase threads turn of adjustable column 6
The regulation gear ring 7 that adjustable column 6 is moved axially along itself, the axial line setting parallel with the axial line of stator 1 of adjustable column 6, electricity
Machine 8 drives regulation gear ring 7 to rotate.The inner ring for adjusting gear ring 7 is described helicitic texture.More preferably, regulation gear ring 7 outer ring with
The output shaft of motor 8 engages connection by gear (not indicated in figure).
In a kind of highly preferred embodiment, fixed plate 9 is mutually fixedly connected with stator 1, has spherical female on stator 1
Hole 13, bulb 61 is rotatably arranged in the pit 13, and is limited between pit 13 and fixed plate 9 and by fixed plate 9
Along the relative movement of the axial direction of stator 1 between bulb 61 and stator 1.
Multiple adjustable columns 6 are uniformly distributed around the axial line of stator 1.Preferably, adjustable column 6 at least three.
Preferably, adjustable column 6 is arranged on the opposite side relative with the side of end cap 3 of stator 1.
The variable inner curve hydraulic pump of this adjustable type or motor operations principle：
Motor operating conditions：
Hydraulic oil enters rotor 2 by valve plate 4, i.e., via first passage 41 to second channel 24, to piston hole 21, this
When hydraulic oil promote the piston 23 it is moved reciprocatingly on the inwall of stator 1, while the radial direction in stator 1 moves in a circle, from
And rotated rotor 2.If now hydraulic motor needs slow-speed of revolution high torque, or rpm low torque high, then motor 8 passes through
Rotate and drive regulation gear ring 7 to rotate, and then drive adjustable column 6 to rotate, because the screw thread between regulation gear ring 7 and adjustable column 6 turns
Dynamic attachment structure, adjustable column 6 axially moves in rotation process, and changes moving direction by changing rotation direction, from
And make adjustable column 6 promote stator 1 to axially move, make piston 23 on the inwall of stator 1 corresponding operating position (a, b point it
Between a certain operating position) on.So as to be exported.
Pump condition：
Exterior power source drives cylinder block of hydraulic pumps 2, piston 23 to be close to the inwall of stator 1 all the time because of a spring 22, and piston 23 passes through
Stator 1 is reciprocating so as to oil suction, if now hydraulic pump needs pump oil amount high, or low pump oil amount, then motor 8 is by rotating
Drive regulation gear ring 7 to rotate, and then drive adjustable column 6 to rotate, because the threads turn between regulation gear ring 7 and adjustable column 6 connects
Binding structure, adjustable column 6 axially moves in rotation process, and changes moving direction by changing rotation direction, so that
Adjustable column 6 promotes stator 1 to axially move, and makes the corresponding operating position (between a, b point on the inwall of stator 1 of piston 23
A certain operating position) on.So as to be exported.
The variable inner curve hydraulic pump of the utility model adjustable type or motor, by by stator inner wall (i.e. the working face of stator)
Concave curved surface be designed as axially oblique, and stator is configured to move axially, it is fixed to be driven by adjustable column
Son axial movement so that the piston component on rotor can be moved along different inner curves, and piston stroke, so as to change
The output of pump/motor.The variable inner curve hydraulic pump of the utility model adjustable type or motor configuration are simply compact, using operation side
Just, inner curve hydraulic pump or motor are made in the case where input is constant, it is also possible to change output by the regulation in structure, enter
One step has widened the range of application of inner curve hydraulic pump or motor.
The utility model is elaborated above in association with implementation method, is only to illustrate technology design of the present utility model
And feature, its object is to allow person skilled in the art to understand content of the present utility model and be carried out, can not be with this
Protection domain of the present utility model is limited, all equivalent change or modifications done according to the utility model Spirit Essence should all be contained
Cover in protection domain of the present utility model.
Claims (10)
1. a kind of variable inner curve hydraulic pump of adjustable type or motor, it includes power transmission shaft (5), the axle along the power transmission shaft (5)
To the end cap (3), stator (1), the valve plate (4) that set gradually, the inwall of the stator (1) is by multiple concave curved surfaces (11) and multiple
Convex surface (12) is intervally installed and constitutes, and the inner space of the stator (1) is provided with and is connected with the power transmission shaft (5)
Rotor (2), described rotor (2) is provided with and the stator (1) with multiple piston holes in described piston hole (21)
The piston component that inwall is in contact, described rotor (2) and valve plate (4) is respectively provided with the passage for delivery hydraulic pressure oil, and turns
The passage on sub (2) is connected with the piston hole (21), it is characterised in that：
The concave curved surface (11) of stator (1) inwall along stator (1) axially inclined setting,
The variable inner curve hydraulic pump of described adjustable type or motor are also connected including one end and drive with the stator (1) and determine
Sub (1) drives the mobile motor of the adjustable column (6) along the multiple adjustable columns (6) for itself moving axially, by transmission component
(8), the one end of adjustable column (6) is bulb (61), and the bulb (61) is connected by fixed plate (9) with stator (1).
2. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described biography
Dynamic component includes being connected and drive the regulation tooth that adjustable column (6) is moved axially along itself with the adjustable column (6) phase threads turn
Circle (7), described motor (8) drives regulation gear ring (7) to rotate.
3. a kind of variable inner curve hydraulic pump of adjustable type according to claim 2 or motor, it is characterised in that：Described tune
Section gear ring (7) is engaged by gear with the output shaft of motor (8) and is connected.
4. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 and 2 or motor, it is characterised in that：It is described
Adjustable column (6) axial line setting parallel with the axial line of stator (1).
5. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described tune
Segmented column (6) is arranged on the opposite side relative with end cap (3) side of stator (1).
6. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described consolidates
Fixed board (9) is mutually fixedly connected with stator (1), has spherical pit (13) on described stator (1), and described bulb (61) can turn
It is arranged on dynamicly in the pit (13), and bulb (61) is limited between pit (13) and fixed plate (9) and by fixed plate (9)
Along the relative movement of stator (1) axial direction between stator (1).
7. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described tune
Segmented column (6) at least three.
8. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described is more
Individual adjustable column (6) is uniformly distributed around the axial line of stator (1).
9. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described is recessed
Curved surface (11) moves closer to the axial line of stator (1) from the side for being laterally away from end cap (3) for being close to end cap (3).
10. a kind of variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that：Described
Piston component includes the spring (22), the piston (23) that set gradually, and piston (23) one end is cylindrical hole, the cylinder of piston (23)
A spring (22), another end in contact stator (1) inwall of piston (23) are connected in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621419705.8U CN206309592U (en) | 2016-12-22 | 2016-12-22 | A kind of variable inner curve hydraulic pump of adjustable type or motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621419705.8U CN206309592U (en) | 2016-12-22 | 2016-12-22 | A kind of variable inner curve hydraulic pump of adjustable type or motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309592U true CN206309592U (en) | 2017-07-07 |
Family
ID=59245778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621419705.8U Withdrawn - After Issue CN206309592U (en) | 2016-12-22 | 2016-12-22 | A kind of variable inner curve hydraulic pump of adjustable type or motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523350A (en) * | 2016-12-22 | 2017-03-22 | 苏州九合众成动力科技有限公司 | Adjustable inner curve-variable hydraulic pump or motor |
-
2016
- 2016-12-22 CN CN201621419705.8U patent/CN206309592U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523350A (en) * | 2016-12-22 | 2017-03-22 | 苏州九合众成动力科技有限公司 | Adjustable inner curve-variable hydraulic pump or motor |
| CN106523350B (en) * | 2016-12-22 | 2018-10-16 | 苏州九合众成动力科技有限公司 | A kind of adjustable type can be changed inner curve hydraulic pump or motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170707 Effective date of abandoning: 20181016 |