CN106499690A - A kind of hydraulic swing motor of frame-type sealing - Google Patents
A kind of hydraulic swing motor of frame-type sealing Download PDFInfo
- Publication number
- CN106499690A CN106499690A CN201610936703.4A CN201610936703A CN106499690A CN 106499690 A CN106499690 A CN 106499690A CN 201610936703 A CN201610936703 A CN 201610936703A CN 106499690 A CN106499690 A CN 106499690A
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- Prior art keywords
- bearing
- swing motor
- fluid
- hydraulic swing
- seal
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention provides a kind of hydraulic swing motor, and its blade adopts the sealing means of combination sealing using frame-type sealing, shaft end, so as to improve sealing property.The hydraulic swing motor of the present invention, including：Cylinder body；It is arranged in the cylinder body and two fixed blades at a distance of 180 degree；It is arranged on the front end housing and back cylinder cover at the two ends of the cylinder body；Through the cylinder body, the front end housing and the back cylinder cover and it is provided with main shaft into and out of oil circuit；And be arranged on the main shaft and two movable vane pieces at a distance of 180 degree；Wherein, the inside of the cylinder body is divided into four chambers by described two movable vane pieces and two fixed blades, as the working chamber of fluid, pressure potential is converted into mechanical energy, and the end face of the front end housing and the back cylinder cover is provided with combination seal, for preventing the fluid of each chamber from flowing out along the main shaft；And described two movable vane pieces and described two fixed blades are provided with frame-type seal, for preventing the fluid between each chamber from linking up.
Description
Technical field
The present invention relates to a kind of hydraulic swing motor, relates more specifically to the hydraulic swing motor with frame-type sealing.
Background technology
The hydraulic energy of the high-voltage oil liquid of input as executing agency, is converted into machine in Hydrauservo System by hydraulic motor
Tool energy, band dynamic load are rotated.Compared with motor, hydraulic motor has higher power density, can realize bigger
Moment of torsion and the frequency response of Geng Gao, are often used in aerospace field.The one kind of Double-blade type rotary actuator as hydraulic motor, only
The motion of finite angle can be exported, but there are two pairs of cavity volumes due to which, bigger moment of torsion and compact conformation can be exported, be possessed higher
Power density, be commonly used for the executing agency of sporting flying simulator, steering engine load simulator.The sealing of hydraulic actuating mechanism
Can be to the performance important of whole system, its sealing property index is mainly leakage rate, friction and reliability.Leakage rate
Increase with friction can cause Hydrauservo System dynamic characteristic to decline, rigidity reduces, damping increase.Double-blade type rotary actuator
Limit which and apply due to its dynamic, fixed blade difficult sealing, it is therefore desirable to a kind of Double-blade type pendulum with good seal performance
Dynamic motor.
Content of the invention
In view of problem above, a kind of hydraulic swing motor of present invention offer, its blade is sealed using frame-type, shaft end adopts group
The sealing means of sealing are closed, so as to improve sealing property.
According to an aspect of the present invention, a kind of hydraulic swing motor, including：Cylinder body；It is arranged in the cylinder body and phase
Two fixed blades away from 180 degree；It is arranged on the front end housing and back cylinder cover at the two ends of the cylinder body；Through the cylinder body, described before
Cylinder cap and the back cylinder cover and it is provided with main shaft into and out of oil circuit；And be arranged on the main shaft and at a distance of 180 degree
Two movable vane pieces；
Wherein, the inside of the cylinder body is divided into four chambers by described two movable vane pieces and two fixed blades, used as fluid
Working chamber, pressure potential is converted into mechanical energy, and wherein, the end face of the front end housing and the back cylinder cover is provided with group
Seal is closed, for preventing the fluid of each chamber from flowing out along the main shaft；And wherein, described two movable vane pieces and described two
Individual fixed blade is provided with frame-type seal, for preventing the fluid between each chamber from linking up.
According to embodiment, the hydraulic swing motor also includes：
The bearing at the two ends of the main shaft is arranged on, is separately mounted on the forward and backward cylinder cap, for supporting the master
Axle, it is ensured that rotating accuracy；
The bearing cap being arranged on the front end housing, for compressing the bearing, eliminates bearing clearance；And
The confession oil cap being arranged on the back cylinder cover, for compressing the bearing, eliminates bearing clearance, while by outside
Oil circuit fuel feeding of the pipeline to the main shaft；
Wherein, the cylinder body, the front end housing and the back cylinder cover are connected by screw bolt and nut.
End face according to embodiment, the front end housing and the back cylinder cover is additionally provided with static seal, for preventing each
The fluid of chamber is flowed out from the front and rear cylinder cap both sides gap；And the front end housing and the back cylinder cover are additionally provided with rotation
Seal, for preventing the fluid of each chamber leaks from flowing to the bearing.
According to embodiment, the end face of the bearing cap is provided with static seal, for preventing the fluid for flowing to the bearing
Flow out；And the bearing cap is additionally provided with rotating seal, for preventing from flowing to the fluid of the bearing along the main shaft
Flow out.
According to embodiment, the end face of the confession oil cap is provided with static seal, for preventing the fluid for flowing to the bearing
Flow out；And the confession oil cap is additionally provided with rotating seal, for preventing into and out of oil duct and flowing to the fluid of the bearing
Between communication.
According to embodiment, the combination seal includes the O-shaped of the bottom of the seal groove positioned at the forward and backward cylinder cap end face
Circle, the steelframe and the plastic ring positioned at top that are located at middle part, wherein described steelframe are oblique angle with the contact position of the plastic ring,
So that when the O-ring is squeezed, the plastic ring is strutted along outside with while jam-packed shaft shoulder end face and seal groove outer.
According to embodiment, the frame-type seal include along the fixed and moving blade perimeter trench arrange frame-type circle with
And wrap up the plastic ring of the frame-type circle.
According to embodiment, the static seal includes O-shaped rubber ring；And the rotating seal includes the Ge Lai of standard
Circle.
According to embodiment, the O-ring is made up of elastomeric material, and the plastic ring is made up of polytetrafluoroethylene (PTFE) and described
Steelframe is made up of steel alloy.
According to embodiment, the frame-type circle is made up of elastomeric material and the plastic ring is made up of polytetrafluoroethylene (PTFE).
Description of the drawings
Fig. 1 is the overall construction drawing of hydraulic swing motor according to embodiments of the present invention.
Fig. 2 is the decomposition chart of hydraulic swing motor according to embodiments of the present invention.
Fig. 3 is the fundamental diagram of hydraulic swing motor according to embodiments of the present invention.
Fig. 4 is the back cylinder cover oil circuit figure of hydraulic swing motor according to embodiments of the present invention.
Fig. 5 is the schematic diagram of the internal structure of the hydraulic swing motor for illustrating according to embodiments of the present invention.
Fig. 6 is illustrated for the dynamic of hydraulic swing motor according to embodiments of the present invention, the frame-type seal of fixed blade
Schematic diagram.
Fig. 7 is the combination seal for illustrating the forward and backward cylinder cap for hydraulic swing motor according to embodiments of the present invention
Schematic diagram.
Specific embodiment
Hydraulic swing motor according to embodiments of the present invention is described referring to the drawings.
Fig. 1 and 2 illustrates the totality of hydraulic swing motor according to embodiments of the present invention and decomposition chart.Such as Fig. 1 and 2 institutes
Show, the hydraulic swing motor of the present embodiment, including：Cylinder body 202, be provided with 180 degree apart in cylinder body 202 two determine leaf
Piece；It is arranged on the front end housing 204 and back cylinder cover 203 at the two ends of cylinder body 202；Run through cylinder body 202, front end housing 204 and back cylinder cover 203
And the main shaft 201 into and out of oil circuit is provided with, two movable vane pieces at a distance of 180 degree wherein on main shaft 201, are provided with.In this reality
Apply in example, dynamic, fixed blade is fixed by screws on main shaft 201 and inside cylinder body 202, but the invention is not restricted to this, arbitrarily close
Suitable fastening means can be used.In the present embodiment, hydraulic swing motor also includes：It is arranged on the axle at the two ends of main shaft 201
207 are held, is separately mounted on forward and backward cylinder cap 204,203, for supports main shaft 201, it is ensured that rotating accuracy；It is arranged on front end housing
Bearing cap 205 on 204, for compressing bearing 207, eliminates bearing clearance；And the confession oil cap being arranged on back cylinder cover 203
206, for compressing bearing 207, eliminate bearing clearance, while by exterior line to main shaft 201 oil circuit fuel feeding；Wherein, cylinder
Body 202 is provided with bolt hole, by such as 14 stay bolts 208 and nut through front end housing 204, back cylinder cover 203 and cylinder body 201
209 are fastenedly connected the hydraulic swing motor that assembles the embodiment of the present invention.In the present embodiment, bearing 207 is angular contact ball axle
Hold, but the invention is not restricted to this.
In order to mitigate motor weight, except the material of main shaft 201 and two pairs of dynamic fixed blades is that other zero in addition to high strength alloy steel
Part is all duralumin, hard alumin ium alloy.However, the invention is not restricted to this, different materials can be selected to meet different needs.
Referring to the operation principle that Fig. 3 and Fig. 4 describe hydraulic swing motor according to embodiments of the present invention.Fig. 3 is root
Fundamental diagram according to the hydraulic swing motor of the embodiment of the present invention.Fig. 4 is hydraulic swing motor according to embodiments of the present invention
Back cylinder cover oil circuit figure.As shown in Figures 3 and 4, two movable vane pieces 304 for being arranged on main shaft 303 and it is arranged on cylinder body 301
Two fixed blades 305 will be divided into four chambers A1, A2, B1 and B2 inside cylinder body 301, by the oil circuit on back cylinder cover 203 (in figure
Illustrate in 4), A1, A2 are linked up, B1, B2 are linked up, and control revolution by the oil pressure of control A, B chamber.That is A oil-feeds, B
Fuel-displaced, then motor rotate counterclockwise；A is fuel-displaced, B oil-feeds, then motor turns clockwise.
Fig. 5 is the schematic diagram of the internal structure of the hydraulic swing motor for illustrating according to embodiments of the present invention.As shown in figure 5,
The main shaft of the hydraulic swing motor of the present embodiment is provided with into and out of oil circuit, for the hydraulic part fuel feeding by main shaft drives.Specifically
Ground, fluid enter oil duct by the oil-in 512 for oil cap, through the in-line of main shaft, enter powered hydraulic part；Again by leading
The vent line of axle, flows out from the oil-out 513 for oil cap.
As shown in figure 5, the end face of front end housing and back cylinder cover is respectively arranged with combination seal 503,508, each for preventing
The fluid of individual chamber is flowed out along main shaft；And two movable vane pieces and two fixed blades are provided with frame-type seal 501, for preventing
Fluid between each chamber is linked up.
The end face of front end housing and back cylinder cover is also respectively provided with static seal 502,507, for preventing the oil of each chamber
Liquid is flowed out with back cylinder cover both sides gap in the past；And front end housing and back cylinder cover are also respectively provided with rotating seal 504,509, use
Bearing is flowed in the fluid for preventing each chamber leaks.
Also, the end face of bearing cap is provided with static seal 505, for preventing the fluid for flowing to bearing from flowing out；And axle
Hold lid and be additionally provided with rotating seal 506, for preventing the fluid for flowing to bearing from flowing out along main shaft.
Also, the end face for oil cap is provided with static seal 510, for preventing the fluid for flowing to bearing from flowing out；And supply
Oil cap is additionally provided with rotating seal 511-1,511-2,511-3, for prevent into and out of oil duct and flow to bearing fluid it
Between communication.According to embodiment, above-mentioned static seal includes O-shaped rubber ring；And above-mentioned rotating seal includes the lattice of standard
Lai Quan, but the invention is not restricted to this.
Fig. 6 is illustrated for the dynamic of hydraulic swing motor according to embodiments of the present invention, the frame-type seal of fixed blade
Schematic diagram.As shown in fig. 6, the frame-type seal include along fixed and moving blade 601 perimeter trench arrange frame-type circle 602 with
And the plastic ring 603 of parcel frame-type circle.According to embodiment, frame-type circle 602 is made up of elastomeric material and plastic ring 603 is by poly- four
PVF constitutes frame-type, with corresponding with blade dimensions, can prevent fluid from four wedge angle leakages of blade.However, of the invention
Not limited to this, any suitable material are used equally to make the frame-type circle and plastic ring.
Fig. 7 is the combination seal for illustrating the forward and backward cylinder cap for hydraulic swing motor according to embodiments of the present invention
Schematic diagram.As shown in fig. 7, combination seal includes the O-ring 701 of the bottom of the seal groove positioned at forward and backward cylinder cap end face, is located at
The steelframe 703 and the plastic ring 702 positioned at top at middle part, wherein steelframe 703 are oblique angle with the contact position of plastic ring 702, make
When O-ring 701 is squeezed, plastic ring 702 is strutted along outside with while jam-packed shaft shoulder end face and seal groove outer, so as to
Prevent the leakage of both direction.In the present embodiment, the O-ring 701 is made up of elastomeric material, and the plastic ring 702 is by gathering
Tetrafluoroethene is constituted and the steelframe 703 is made up of steel alloy, but the invention is not restricted to this, any suitable material
For supporting said modules.
In sum, the invention provides a kind of hydraulic swing motor, its blade is using frame-type sealing, shaft end using combination
The sealing means of sealing, so that improve sealing property.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, which can also be made on the basis of the above description
The change or variation of its multi-form.There is no need to be exhaustive to all of embodiment.And these belong to this
Bright spirit extended obvious change or change still in protection scope of the present invention among.
Claims (10)
1. a kind of hydraulic swing motor, including：Cylinder body；It is arranged in the cylinder body and two fixed blades at a distance of 180 degree；If
Put the front end housing and back cylinder cover at the two ends of the cylinder body；Run through the cylinder body, the front end housing and the back cylinder cover and set
It is equipped with the main shaft into and out of oil circuit；And be arranged on the main shaft and two movable vane pieces at a distance of 180 degree；
Wherein, the inside of the cylinder body is divided into four chambers by described two movable vane pieces and two fixed blades, used as the work of fluid
Make chamber, pressure potential is converted into mechanical energy, and wherein, it is close that the end face of the front end housing and the back cylinder cover is provided with combination
Sealing, for preventing the fluid of each chamber from flowing out along the main shaft；And wherein, described two movable vane pieces and described two fixed
Blade is provided with frame-type seal, for preventing the fluid between each chamber from linking up.
2. hydraulic swing motor as claimed in claim 1, also includes：
The bearing at the two ends of the main shaft is arranged on, is separately mounted on the forward and backward cylinder cap, for supporting the main shaft, protected
Card rotating accuracy；
The bearing cap being arranged on the front end housing, for compressing the bearing, eliminates bearing clearance；And
The confession oil cap being arranged on the back cylinder cover, for compressing the bearing, eliminates bearing clearance, while passing through exterior line
Oil circuit fuel feeding to the main shaft；
Wherein, the cylinder body, the front end housing and the back cylinder cover are connected by screw bolt and nut.
3. hydraulic swing motor as claimed in claim 2, wherein, the end face of the front end housing and the back cylinder cover is additionally provided with
Static seal, for preventing the fluid of each chamber from flowing out from the front and rear cylinder cap both sides gap；And the front end housing and
The back cylinder cover is additionally provided with rotating seal, for preventing the fluid of each chamber leaks from flowing to the bearing.
4. hydraulic swing motor as claimed in claim 2, wherein, the end face of the bearing cap is provided with static seal, is used for
Prevent the fluid for flowing to the bearing from flowing out；And the bearing cap is additionally provided with rotating seal, for preventing flow direction described
The fluid of bearing is flowed out along the main shaft.
5. hydraulic swing motor as claimed in claim 2, wherein, the end face of the confession oil cap is provided with static seal, is used for
Prevent the fluid for flowing to the bearing from flowing out；And the confession oil cap is additionally provided with rotating seal, for preventing into and out of oil duct
And flow to communication between the fluid of the bearing.
6. hydraulic swing motor as claimed in claim 1 or 2, wherein, the combination seal is included positioned at the forward and backward cylinder
The O-ring of the bottom of the seal groove of lid end face, be located at middle part steelframe and the plastic ring positioned at top, wherein described steelframe with
The contact position of the plastic ring be oblique angle so that when the O-ring is squeezed, the plastic ring along outside strut with while
Jam-packed shaft shoulder end face and seal groove outer.
7. hydraulic swing motor as claimed in claim 1 or 2, wherein, the frame-type seal is included along the fixed and moving blade
The perimeter trench frame-type circle for arranging and the plastic ring for wrapping up the frame-type circle.
8. the hydraulic swing motor as described in claim 3,4 or 5, wherein, the static seal includes O-shaped rubber ring；And
The rotating seal includes the Glais ring of standard.
9. hydraulic swing motor as claimed in claim 6, wherein, the O-ring is made up of elastomeric material, the plastic ring by
Polytetrafluoroethylene (PTFE) is constituted and the steelframe is made up of steel alloy.
10. hydraulic swing motor as claimed in claim 7, wherein, the frame-type circle is made up of elastomeric material and the modeling
Feed ring is made up of polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936703.4A CN106499690B (en) | 2016-11-01 | 2016-11-01 | A kind of hydraulic swing motor of frame-type sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936703.4A CN106499690B (en) | 2016-11-01 | 2016-11-01 | A kind of hydraulic swing motor of frame-type sealing |
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| Publication Number | Publication Date |
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| CN106499690A true CN106499690A (en) | 2017-03-15 |
| CN106499690B CN106499690B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610936703.4A Active CN106499690B (en) | 2016-11-01 | 2016-11-01 | A kind of hydraulic swing motor of frame-type sealing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246423A (en) * | 2017-06-23 | 2017-10-13 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN108488135A (en) * | 2018-03-05 | 2018-09-04 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator |
| CN108506268A (en) * | 2018-03-02 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108506157A (en) * | 2018-03-05 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator |
| CN109519435A (en) * | 2018-12-24 | 2019-03-26 | 襄阳航宇机电液压应用技术有限公司 | A kind of oscillating hydraulic cylinder |
| CN110374689A (en) * | 2018-04-12 | 2019-10-25 | 中国航发商用航空发动机有限责任公司 | Pressurized strut, the regulating mechanism of adjustable stator blade and aero-engine |
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| CN104564892A (en) * | 2015-01-15 | 2015-04-29 | 合肥工业大学 | Double-blade swing hydraulic motor for driving stabilizing rod |
| CN205479352U (en) * | 2016-03-23 | 2016-08-17 | 安徽安宁智能科技有限公司 | A oil blanket for rotary shaft seal |
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| CN101031727A (en) * | 2004-04-22 | 2007-09-05 | Zf腓特烈港股份公司 | Radial oscillating motor, and method for the production thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246423A (en) * | 2017-06-23 | 2017-10-13 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN107246423B (en) * | 2017-06-23 | 2019-06-07 | 武汉科技大学 | A kind of vane type oscillating hydraulic cylinder with totally-enclosed cage sealing system |
| CN108506268A (en) * | 2018-03-02 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108506268B (en) * | 2018-03-02 | 2019-06-04 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator with integrated sealing structure |
| CN108488135A (en) * | 2018-03-05 | 2018-09-04 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator |
| CN108506157A (en) * | 2018-03-05 | 2018-09-07 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator |
| CN108506157B (en) * | 2018-03-05 | 2019-07-23 | 北京航空航天大学 | Limited pivot angle rotating hydraulic actuator |
| CN110374689A (en) * | 2018-04-12 | 2019-10-25 | 中国航发商用航空发动机有限责任公司 | Pressurized strut, the regulating mechanism of adjustable stator blade and aero-engine |
| CN110374689B (en) * | 2018-04-12 | 2022-03-11 | 中国航发商用航空发动机有限责任公司 | Actuating cylinder, adjusting mechanism capable of adjusting stator blade and aircraft engine |
| CN109519435A (en) * | 2018-12-24 | 2019-03-26 | 襄阳航宇机电液压应用技术有限公司 | A kind of oscillating hydraulic cylinder |
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|---|---|
| CN106499690B (en) | 2018-11-20 |
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Effective date of registration: 20200827 Address after: A018, 4 / F, block a, Zhizhen building, No.7 Zhichun Road, Haidian District, Beijing 100089 Patentee after: BEIJING HANGCHEN SYSTEM TECHNOLOGY Co.,Ltd. Address before: 100191 Haidian District, Xueyuan Road, No. 37, Patentee before: BEIHANG University |
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Effective date of registration: 20210312 Address after: Room 101, unit 1, building 7, Fangshan science and Technology Park, Liandong u Valley, Yanxin South Road, Yanshan Petrochemical new material science and technology industrial base, Fangshan District, Beijing 102400 Patentee after: Beijing hangchen Airborne Intelligent System Technology Co.,Ltd. Address before: 100089 A018, 4th floor, block a, Zhizhen building, 7 Zhichun Road, Haidian District, Beijing Patentee before: BEIJING HANGCHEN SYSTEM TECHNOLOGY Co.,Ltd. |