CN206280241U - The variable inner curve hydraulic pump of adjustable type or motor - Google Patents

The variable inner curve hydraulic pump of adjustable type or motor Download PDF

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Publication number
CN206280241U
CN206280241U CN201621420266.2U CN201621420266U CN206280241U CN 206280241 U CN206280241 U CN 206280241U CN 201621420266 U CN201621420266 U CN 201621420266U CN 206280241 U CN206280241 U CN 206280241U
Authority
CN
China
Prior art keywords
stator
motor
adjustable
hydraulic pump
variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201621420266.2U
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Chinese (zh)
Inventor
陈志宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Nine United Drive Power Technology Co Ltd
Original Assignee
Suzhou Nine United Drive Power Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Nine United Drive Power Technology Co Ltd filed Critical Suzhou Nine United Drive Power Technology Co Ltd
Priority to CN201621420266.2U priority Critical patent/CN206280241U/en
Application granted granted Critical
Publication of CN206280241U publication Critical patent/CN206280241U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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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, and the piston component being in contact with the inwall of stator is provided 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 that one end offsets with stator and promotes multiple adjustable columns that stator move axially along itself and adjustable column phase threads turn to be connected and drive adjust gear ring, driving that adjustable column move axially along itself and adjust the motor of ring gear against rotation, the axial line of adjustable column setting parallel with the axial line of stator, stator is connected with the spring for applying the power towards the direction of adjustable column to stator.

Description

The variable inner curve hydraulic pump of adjustable type or motor
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 also include that one end offsets with stator and promotes stator along certainly Multiple adjustable columns of body axial movement connect and drive the regulation that adjustable column is moved axially along itself with adjustable column phase threads turn Gear ring, the motor for driving regulation ring gear against rotation, the axial line of adjustable column setting parallel with the axial line of stator, stator are connected with Apply the spring of the power towards the direction of adjustable column to stator.It should be noted that concave curved surface can be defined as towards stator The curved surface that arches upward of axial line, then convex surface is the curved surface arched upward towards stator outer wall, and concave curved surface can also be defined as direction The curved surface that stator outer wall arches upward, 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 drives the regulation ring gear against rotation.
Further, regulation gear ring is engaged by gear with the output shaft of motor and is connected.
Further, the side of stator has and is supported with the one-to-one multiple pits of adjustable column phase, the one end of adjustable column In corresponding pit.
Further, pit and the contact surface of adjustable column are sphere.
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, spring is arranged between stator and end cap, and adjustable column and spring are separately positioned on the relative of stator Both sides.
Further, spring has multiple, and quantity and position are corresponding with adjustable column.
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, the variable inner curve hydraulic pump of the utility model adjustable type or motor, by inciting somebody to action The concave curved surface of stator inner wall (i.e. the working face of stator) is designed as in axial direction obliquely, and stator is configured in axial direction It is mobile, promote stator shaft orientation to move by adjustable column and spring so that the piston component on rotor can be along different introversions Line is moved, 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, make inner curve hydraulic pump or motor be input into it is constant in the case of, it is also possible to Change output by the regulation in structure, further widen the range of application of inner curve hydraulic pump or motor.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the variable inner curve hydraulic pump of the utility model adjustable type or motor;
Accompanying drawing 2 is the axial view of stator in the variable inner curve hydraulic pump of the utility model adjustable type 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;7th, gear ring is adjusted;8th, electricity Machine;9th, spring.
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, the variable inner curve hydraulic pump of adjustable type or motor in the present embodiment, it includes transmission Axle 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 It is intervally installed with multiple convex surfaces 12 and is constituted, the inner space of stator 1 is provided with the rotor 2 being connected with power transmission shaft 5, Rotor 2 has multiple piston holes, and the piston component being in contact with the inwall of stator 1, rotor 2 and flow are provided with piston hole 21 Disk 4 is respectively provided with the passage for delivery hydraulic pressure oil, and the wherein passage on valve plate is first passage 41, and the passage on rotor 2 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 also include that one end offsets and promote stator 1 along itself with stator 1 Multiple adjustable columns 6 of axial movement, the motor 8 moved axially along itself by transmission component drive adjustable column 6, adjustable column 6 Axial line setting parallel with the axial line of stator 1, stator 1 is connected with and applies power towards the direction of adjustable column 6 to stator 1 Spring 9, spring 9 enables stator 1 to be pushed against all the time on adjustable column 6.
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, motor 8 drives regulation gear ring 7 to rotate.It is described to adjust the inner ring of gear ring 7 Helicitic texture.More preferably, the outer ring of regulation gear ring 7 passes through gear (not indicated in the figure) company of engagement with the output shaft of motor 8 Connect.
In a kind of highly preferred embodiment, the side of stator 1 is with mutually one-to-one multiple recessed with adjustable column 6 Hole 13, the one end of adjustable column 6 is against in corresponding pit 13.Preferably, pit 13 and the contact surface of adjustable column 6 are sphere.
Multiple adjustable columns 6 are uniformly distributed around the axial line of stator 1.Preferably, adjustable column 6 at least three.
Above-mentioned spring 9 is arranged between stator 1 and end cap 3, and adjustable column 6 and spring 9 are separately positioned on the relative of stator 1 Both sides.Spring 9 has multiple, and quantity and position are corresponding with adjustable column 6.Corresponding spring 9 and adjustable column 6 are respectively fixed The both sides applying power of son 1, so that the stress of stator 1 is more balanced, steady.
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, by adjustable column and spring come Promote stator shaft orientation movement so that the piston component on rotor can be moved along different inner curves, and piston stroke, from And change the output of pump/motor.The variable inner curve hydraulic pump of the utility model adjustable type or motor configuration are simply compact, use behaviour Facilitate, make inner curve hydraulic pump or motor in the case where input is constant, it is also possible to change by the regulation in structure defeated Go out, further 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 also offset with the stator (1) including one end and promote stator (1) adjustable column (6) along the multiple adjustable columns (6) for itself moving axially, by transmission component is driven to be moved axially along itself Motor (8), the axial line setting parallel with the axial line of stator (1) of described adjustable column (6), described stator (1) is even It is connected to the spring (9) for applying the power towards the direction of adjustable column (6) to stator (1).
2. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described transmission group Part includes being connected and drive the regulation gear ring that adjustable column (6) is moved axially along itself with the adjustable column (6) phase threads turn (7), described motor (8) drives regulation gear ring (7) to rotate.
3. the variable inner curve hydraulic pump of adjustable type according to claim 2 or motor, it is characterised in that:Described regulation tooth Circle (7) is engaged by gear with the output shaft of motor (8) and is connected.
4. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described stator (1) side has and the adjustable column (6) mutually one-to-one multiple pits (13), the one end of described adjustable column (6) It is against in corresponding pit (13).
5. the variable inner curve hydraulic pump of adjustable type according to claim 4 or motor, it is characterised in that:Described pit (13) it is sphere with the contact surface of described adjustable column (6).
6. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described adjustable column (6) at least three.
7. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described multiple tune Segmented column (6) is uniformly distributed around the axial line of stator (1).
8. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described concave curved surface (11) from the axial line that stator (1) is moved closer near a side for being laterally away from end cap (3) of end cap (3).
9. the variable inner curve hydraulic pump of adjustable type according to claim 1 or motor, it is characterised in that:Described spring (9) it is arranged between stator (1) and end cap (3), described adjustable column (6) and spring (9) is separately positioned on the relative of stator (1) Both sides.
10. the 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, in the cylindrical hole of piston (23) Connect a spring (22), another end in contact stator (1) inwall of piston (23).
CN201621420266.2U 2016-12-22 2016-12-22 The variable inner curve hydraulic pump of adjustable type or motor Withdrawn - After Issue CN206280241U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621420266.2U CN206280241U (en) 2016-12-22 2016-12-22 The variable inner curve hydraulic pump of adjustable type or motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621420266.2U CN206280241U (en) 2016-12-22 2016-12-22 The variable inner curve hydraulic pump of adjustable type or motor

Publications (1)

Publication Number Publication Date
CN206280241U true CN206280241U (en) 2017-06-27

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ID=59073147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621420266.2U Withdrawn - After Issue CN206280241U (en) 2016-12-22 2016-12-22 The variable inner curve hydraulic pump of adjustable type or motor

Country Status (1)

Country Link
CN (1) CN206280241U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523349A (en) * 2016-12-22 2017-03-22 苏州九合众成动力科技有限公司 Adjustable type variable internal curve hydraulic pump or motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523349A (en) * 2016-12-22 2017-03-22 苏州九合众成动力科技有限公司 Adjustable type variable internal curve hydraulic pump or motor
CN106523349B (en) * 2016-12-22 2018-10-16 苏州九合众成动力科技有限公司 Adjustable type can be changed inner curve hydraulic pump or motor

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GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170627

Effective date of abandoning: 20181016