CN113531081B - Hydraulic coupler based on magnetorheological fluid - Google Patents
Hydraulic coupler based on magnetorheological fluid Download PDFInfo
- Publication number
- CN113531081B CN113531081B CN202110728857.5A CN202110728857A CN113531081B CN 113531081 B CN113531081 B CN 113531081B CN 202110728857 A CN202110728857 A CN 202110728857A CN 113531081 B CN113531081 B CN 113531081B
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- transmission
- main shaft
- hydraulic coupler
- baffle
- telescopic baffle
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- 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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
-
- 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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/32—Selection of working fluids
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to the technical field of hydraulic coupler transmission equipment, and discloses a hydraulic coupler based on magnetorheological fluid, which comprises a transmission main shaft, wherein a sealing spacer bush is fixedly sleeved in the middle of the outer surface of the transmission main shaft, a movable snap ring is movably sleeved on the outer surface of the sealing spacer bush, a transmission block is fixedly sleeved on one side of the outer surface of the transmission main shaft, and a telescopic baffle is movably connected inside the transmission block. The hydraulic coupler based on the magnetorheological fluid has the advantages that the movable clamping ring and the telescopic baffle are arranged on the transmission main shaft, so that when the hydraulic coupler transmits different torques, the extending length of the telescopic baffle is adjusted by the movable clamping ring, the telescopic baffle and a flowing liquid transmission medium form an included angle of 90 degrees, the kinetic energy loss of the liquid transmission medium in the transmission process is effectively reduced, the hydraulic coupler is not easy to slip when transmitting larger torque or smaller torque, and the stability and the reliability are high.
Description
Technical Field
The invention relates to the technical field of hydraulic coupler transmission equipment, in particular to a hydraulic coupler based on magnetorheological fluid.
Background
The hydraulic coupler is a device which uses liquid as working medium to implement power transmission between prime mover and working machine, and is mainly formed from shell body, pump wheel, turbine and scoop tube, etc., and the lifting of scoop tube can be used for regulating oil filling quantity of working cavity of hydraulic coupler, and can further regulate output torque of turbine, and can regulate rotating speed of output shaft of prime mover under the condition of that its rotating speed is not changed.
The prior hydraulic coupler utilizes the scoop tube to control the oil filling amount of the liquid medium so as to control the transmission torque of the hydraulic coupler, most of the power of the hydraulic coupler is consumed by the rotating shear of the turbine blades due to the influence of the shear force of the turbine blades, and the adjustable range of the torque of the hydraulic coupler is greatly limited, so that the hydraulic coupler is easy to slip when transmitting larger torque or smaller torque, and has poor stability and reliability.
Therefore, a hydraulic coupling is needed to solve the above-mentioned drawbacks of the conventional hydraulic coupling.
Disclosure of Invention
Technical problem to be solved
The invention provides a hydraulic coupler based on magnetorheological fluid, which has the advantages of adjusting the deflection angle of a turbine blade and changing the viscosity of a liquid medium according to the transmitted torque, reducing the power consumption of the turbine blade on the liquid medium during rotation, effectively improving the size range, stability and reliability of the hydraulic coupler on torque transmission, and solving the problems that the adjustable range of the torque of the hydraulic coupler is greatly limited, the hydraulic coupler is easy to slip when transmitting large torque or small torque and the stability and reliability are poor because most of the power of the hydraulic coupler is consumed by the rotation shearing of the turbine blade due to the influence of the shearing force of the turbine blade when the conventional hydraulic coupler controls the oil filling amount of the liquid medium by using a scoop tube to control the transmitted torque of the hydraulic coupler.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a fluid coupling based on magnetorheological suspensions, includes the transmission main shaft, the fixed sealed spacer that has cup jointed in middle part of transmission main shaft surface, the activity snap ring has been cup jointed in the surface activity of sealed spacer, the fixed transmission piece that has cup jointed in one side of transmission main shaft surface, and contact between one side of the one end of sealed spacer and transmission piece, the inside swing joint of transmission piece has expansion baffle, and meshes the transmission between one side of expansion baffle and the inside of activity snap ring, the activity of one side of activity snap ring surface has cup jointed sealing baffle, the activity of one side of transmission main shaft surface has cup jointed driven even board, and the fixed surface of driven even board installs solenoid, contact between sealing baffle's the surface and solenoid's the inner wall, there is driven even axle driven even one side of driven even board through transmission support fixed mounting.
Preferably, the chamber formed by the sealing baffle, the driven connecting plate and the electromagnetic coil is filled with full-volume magnetorheological fluid.
Preferably, the outer part of the telescopic baffle is a plate-shaped structure with column-shaped protrusions at the front side and the rear side, and the top end of the telescopic baffle is an arc-shaped curved surface structure with the same radian of the outer surface of the transmission block.
Preferably, the distance between the driven connecting plate and the sealing baffle is equal to the thickness of the transmission block, and the outer surface of the movable snap ring is provided with an inner hexagonal structure groove hole in an annular array.
(III) advantageous effects
The invention has the following beneficial effects:
1. the hydraulic coupler based on the magnetorheological fluid has the advantages that the movable clamping ring and the telescopic baffle are arranged on the transmission main shaft, so that when the hydraulic coupler transmits different torques, the extending length of the telescopic baffle is adjusted by the movable clamping ring, the telescopic baffle and a flowing liquid transmission medium form an included angle of 90 degrees, the kinetic energy loss of the liquid transmission medium in the transmission process is effectively reduced, the hydraulic coupler is not easy to slip when transmitting larger torque or smaller torque, and the stability and the reliability are high.
2. The magnetorheological fluid-based fluid coupler has the advantages that the magnetorheological fluid is arranged in the sealing baffle plate, the driven connecting plate and the inner cavity of the electromagnetic coil, different magnetic fields are applied to the magnetorheological fluid through the electromagnetic coil, the viscosity of the magnetorheological fluid is further changed, the transmission of the fluid coupler to torque is further improved, meanwhile, the phenomenon that the fluid coupler is not easy to slip in the torque transmission process is ensured, and the stability and the reliability of the fluid coupler in the operation process are further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of the drive spindle of the present invention and the structure thereon;
fig. 4 is a schematic view of the driven connecting shaft and the structure thereon.
In the figure: 1. a transmission main shaft; 2. sealing the spacer bush; 3. a movable snap ring; 4. a transmission block; 5. a telescopic baffle; 6. sealing the baffle; 7. a driven connecting plate; 8. an electromagnetic coil; 9. a transmission bracket; 10. the driven is connected with the shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a hydraulic coupler based on magnetorheological fluid comprises a transmission main shaft 1, a seal spacer 2 is fixedly sleeved at the middle of the outer surface of the transmission main shaft 1, a movable snap ring 3 is movably sleeved on the outer surface of the seal spacer 2, a transmission block 4 is fixedly sleeved on one side of the outer surface of the transmission main shaft 1, one end of the seal spacer 2 is in contact with one side of the transmission block 4, a telescopic baffle 5 is movably connected inside the transmission block 4, one side of the telescopic baffle 5 is in meshing transmission with the inside of the movable snap ring 3, a seal baffle 6 is movably sleeved on one side of the outer surface of the movable snap ring 3, a driven connecting plate 7 is movably sleeved on one side of the outer surface of the transmission main shaft 1, an electromagnetic coil 8 is fixedly installed on the outer surface of the driven connecting plate 7, the outer surface of the seal baffle 6 is in contact with the inner wall of the electromagnetic coil 8, and a driven connecting shaft 10 is fixedly installed on one side of the driven connecting plate 7 through a transmission support 9.
The arrangement of the mounting structure on the transmission main shaft 1 and the mounting structure on the driven connecting shaft 10 forms a group of flexibly connected transmission components between the transmission main shaft 1 and the driven connecting shaft 10, so as to realize the transmission of power.
The arrangement of the movable snap ring 3 and the telescopic baffle 5 on the transmission main shaft 1 is convenient for adjusting the extending length of the telescopic baffle 5 by utilizing the movable snap ring 3 when the hydraulic coupler transmits different torques, and the telescopic baffle 5 and a flowing liquid transmission medium form an included angle of 90 degrees, so that the kinetic energy loss of the liquid transmission medium in the transmission process is effectively reduced, the phenomenon of slippage of the hydraulic coupler is avoided when the hydraulic coupler transmits larger torque or smaller torque, and the stability and the reliability are high.
In the technical scheme, a chamber formed by the sealing baffle 6, the driven connecting plate 7 and the electromagnetic coil 8 is filled with full-volume magnetorheological fluid.
The magnetorheological fluid is arranged in the inner cavities of the sealing baffle 6, the driven connecting plate 7 and the electromagnetic coil 8, different magnetic fields are applied to the magnetorheological fluid through the electromagnetic coil 8, the viscosity of the magnetorheological fluid is changed, the torque transmission of the hydraulic coupler is further improved, the phenomenon that the hydraulic coupler is not easy to slip in the torque transmission process is ensured, and the stability and the reliability of the hydraulic coupler in the operation process are further improved.
In the technical scheme, the outer part of the telescopic baffle 5 is set to be a plate-shaped structure with column-shaped protrusions at the front side and the rear side, and the top end of the telescopic baffle is set to be an arc-shaped curved surface structure with the same radian as the outer surface of the transmission block 4.
The arrangement of the external structure of the telescopic baffle 5 can effectively reduce the impact force generated by the liquid transmission medium when the telescopic baffle rotates at a high speed while not influencing the contact effective contact area of the telescopic baffle and the liquid medium, thereby effectively reducing the vibration influence and noise pollution generated by the hydraulic coupling when the hydraulic coupling transmits power.
In the technical scheme, the distance between the driven connecting plate 7 and the sealing baffle 6 is equal to the thickness of the transmission block 4, and the outer surface of the movable snap ring 3 is provided with an inner hexagonal structure groove hole in an annular array.
Wherein, the arrangement of the inner hexagon slotted hole on the movable snap ring 3 is convenient for adjusting the extension length of the telescopic baffle 5 by rotating the movable snap ring 3.
The use method and the working principle of the embodiment are as follows:
firstly, a transmission main shaft 1 is in transmission connection with a prime motor, a driven connecting shaft 10 is in transmission connection with the driven shaft and the transmission, then a hexagon wrench is utilized to rotate a movable clamping ring 3 according to the magnitude of required transmission torque, a proper position of inward contraction or outward expansion of a telescopic baffle 5 is driven under the meshing transmission action of a gear, then an electromagnetic coil 8 and an electric feedback connection system and a circuit system of a control system are switched on, then the prime motor is started to drive a transmission block 4 and the telescopic baffle 5 on the transmission main shaft 1 to rotate, the current magnitude of the electromagnetic coil 8 is adjusted under the action of the control system, magnetic fields with different magnitudes are applied to the hydraulic coupler, the viscosity of the hydraulic fluid in an inner cavity of the hydraulic coupler is further adjusted, then the driven connecting plate 7, the electromagnetic coil 8 on the driven connecting plate and the driven connecting shaft 10 are driven to rotate at different speeds under the action of the telescopic baffle 5, and when the transmission torque of the hydraulic coupler needs to be changed, the adjustment of the torque of the hydraulic coupler can be completed only by changing the magnitude of the current in the electromagnetic coil 8, meanwhile, the viscosity of the hydraulic coupler is matched with the telescopic baffle 5, the high viscosity of the hydraulic coupler, the hydraulic coupler is less stable transmission torque, and the hydraulic coupler is difficult to slip is caused by the matching of the telescopic baffle 5, and the hydraulic coupler is difficult to be matched with the hydraulic coupler, so that the hydraulic coupler, and the hydraulic coupler is difficult to slip is difficult to occur.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A fluid coupling based on magnetorheological fluid comprises a transmission main shaft (1), and is characterized in that: the middle of the outer surface of the transmission main shaft (1) is fixedly sleeved with a sealing spacer sleeve (2), the outer surface of the sealing spacer sleeve (2) is movably sleeved with a movable snap ring (3), one side of the outer surface of the transmission main shaft (1) is fixedly sleeved with a transmission block (4), the interior of the transmission block (4) is movably connected with a telescopic baffle (5), one side of the telescopic baffle (5) is in meshing transmission with the interior of the movable snap ring (3), the movable snap ring (3) is rotated by a hexagonal wrench according to the required transmission torque, the telescopic baffle (5) is driven to contract inwards or expand outwards to a proper position under the meshing transmission action of gears, and one side of the outer surface of the movable snap ring (3) is movably sleeved with a sealing baffle (6);
driven even board (7) have been cup jointed in the activity of one side of transmission main shaft (1) surface, and driven even the fixed surface of board (7) installs solenoid (8), contact between the surface of sealed baffle (6) and the inner wall of solenoid (8), it has full volume magnetorheological suspensions to fill in sealed baffle (6), the cavity that constitutes of driven even board (7) and solenoid (8), driven even one side of board (7) has driven even axle (10) through transmission support (9) fixed mounting.
2. A magnetorheological fluid based fluid coupling in accordance with claim 1 wherein: the outside of the telescopic baffle (5) is set to be a plate-shaped structure with column-shaped protrusions at the front side and the rear side, and the top end of the telescopic baffle is set to be an arc-shaped curved surface structure with the same radian of the outer surface of the transmission block (4).
3. A fluid coupling based on magnetorheological fluid according to claim 1, wherein: the distance between the driven connecting plate (7) and the sealing baffle (6) is equal to the thickness of the transmission block (4), and the outer surface of the movable snap ring (3) is provided with inner hexagonal structure slotted holes in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728857.5A CN113531081B (en) | 2021-06-29 | 2021-06-29 | Hydraulic coupler based on magnetorheological fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110728857.5A CN113531081B (en) | 2021-06-29 | 2021-06-29 | Hydraulic coupler based on magnetorheological fluid |
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| CN113531081A CN113531081A (en) | 2021-10-22 |
| CN113531081B true CN113531081B (en) | 2022-12-23 |
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| CN202110728857.5A Active CN113531081B (en) | 2021-06-29 | 2021-06-29 | Hydraulic coupler based on magnetorheological fluid |
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Effective date of registration: 20221206 Address after: 320 Zhening East Road, Lishui Economic Development Zone, Nanjing, Jiangsu 210,000 Applicant after: VMTT INDUSTRY CO.,LTD. Address before: 150000 northeast Fangzi yitun, Chang'an village, Longquan Town, Bayan, Harbin City, Heilongjiang Province Applicant before: Fan Jinlai |
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