CN115076279A - Magneto-rheological damper - Google Patents

Magneto-rheological damper Download PDF

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Publication number
CN115076279A
CN115076279A CN202210633272.XA CN202210633272A CN115076279A CN 115076279 A CN115076279 A CN 115076279A CN 202210633272 A CN202210633272 A CN 202210633272A CN 115076279 A CN115076279 A CN 115076279A
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CN
China
Prior art keywords
sliding
side wall
piston
piston rod
rod
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Granted
Application number
CN202210633272.XA
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Chinese (zh)
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CN115076279B (en
Inventor
邓作标
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Quzhou Longding Auto Parts Manufacturing Co ltd
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Quzhou Longding Auto Parts Manufacturing Co ltd
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Priority to CN202210633272.XA priority Critical patent/CN115076279B/en
Publication of CN115076279A publication Critical patent/CN115076279A/en
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Publication of CN115076279B publication Critical patent/CN115076279B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3221Constructional features of piston rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/42Cooling arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535Magnetorheological [MR] fluid dampers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a magnetorheological damper, which comprises a cylinder body, wherein a piston rod is connected inside the cylinder body in a sliding manner, the inside of the piston rod is connected with a sliding barrel in a sliding way, the inside of the sliding barrel is connected with a sliding rod in a sliding way, the piston rod, the sliding barrel and the sliding rod are adjusted through a rotating assembly, and is limited by a limiting mechanism, the rotating component comprises a fixed shaft, a gear, a rack and a tooth socket, the side walls of the two sides of the sliding cylinder are respectively and fixedly connected with a fixed shaft, the side wall of the fixed shaft is rotationally connected with a gear, an installation groove is arranged on the inner side wall of the piston rod, a rack is fixedly connected inside the installation groove, the side wall of the bottom of the sliding rod is provided with a tooth groove, the side wall of the gear is respectively meshed and connected with the side wall of the rack and the tooth groove, the piston rod with adjustable length is designed by the traditional piston rod with fixed length, so that the applicability and the universality of the piston rod can be improved.

Description

Magneto-rheological damper
Technical Field
The invention belongs to the technical field of shock absorbers, and particularly relates to a magnetorheological shock absorber.
Background
The magneto-rheological shock absorber utilizes electromagnetic reaction, takes input information from a sensor for monitoring the motion of a vehicle body and wheels as a basis, and makes real-time response to road conditions and driving environment, the magneto-rheological liquid is magnetic soft particle suspension, when an electromagnetic coil arranged in a shock absorber piston is electrified, the magnetic field of the coil changes the rheological property of the magneto-rheological liquid, so that under the conditions of no electromechanical control valve and simple mechanical device, the magneto-rheological shock absorber generates damping force with quick response and strong controllability, has the characteristics of high damping force adjustable multiple, easy realization of computer variable damping real-time control, compact structure and small external input energy, and is increasingly paid high attention to in the engineering field.
However, the piston rod of the existing magnetorheological damper is often fixed in length, so that the piston rod cannot be adjusted according to the actually required installation length in installation and use, and therefore, the magnetorheological damper suitable for piston rods with different lengths needs to be produced to improve the application range, and if the problem can be solved, the application range of the piston rod can be improved.
Therefore, it is desirable to provide a new magnetorheological damper to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a magnetorheological damper, which can improve the applicability and the universality of a piston rod by designing the traditional piston rod with fixed length into the piston rod with adjustable length so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the magnetorheological damper comprises a cylinder body, wherein a piston rod is connected inside the cylinder body in a sliding manner, a sliding barrel is connected inside the piston rod in a sliding manner, a sliding rod is connected inside the sliding barrel in a sliding manner, the piston rod, the sliding barrel and the sliding rod are adjusted through a rotating assembly and limited through a limiting mechanism, the rotating assembly comprises a fixed shaft, a gear, a rack and a tooth groove, the side walls of the two sides of the sliding barrel are respectively and fixedly connected with the fixed shaft, the side wall of the fixed shaft is rotatably connected with the gear, the inner side wall of the piston rod is provided with a mounting groove, the inside of the mounting groove is fixedly connected with the rack, the side wall of the bottom of the sliding rod is provided with the tooth groove, and the side wall of the gear is respectively meshed with the side wall of the rack and the tooth groove;
the limiting mechanism comprises adjusting pin holes, thread grooves and hexagonal bolts, a plurality of adjusting pin holes are formed in two sides of the sliding rod respectively, the thread grooves are formed in the side wall of the sliding barrel respectively, the end portion of the hexagonal bolt is inserted into one of the adjusting pin holes, and the side wall of the hexagonal bolt is in threaded connection with the thread grooves.
Preferably, the bottom of the piston rod is provided with an adapter, the side wall of the adapter is fixedly connected with a limiting ring, a limiting groove is formed in the bottom end of the piston rod, and the limiting ring is clamped in the limiting groove.
Preferably, the inside interference of adapter is connected with the installation pole, the piston has been cup jointed to the lateral wall of installation pole, the lateral wall of installation pole is provided with the screw thread, the lateral wall of installation pole passes through screw thread and nut threaded connection, the nut is inconsistent with the bottom surface of piston, the cavity has been seted up to the inside of piston, the internally mounted of cavity has solenoid.
Preferably, the side wall of the mounting rod above the piston is fixedly connected with a flow limiting plate, and the inside of the piston is respectively provided with a flow channel.
Preferably, the side wall of the piston is sleeved with a sealing rubber ring, a through groove is formed in the piston, and the piston is installed below the piston rod in a mode that the installation rod is inserted into the through groove.
Preferably, the top of the piston rod is integrally formed with a screw head, and the screw head is in threaded connection with the inner portion of the upper mounting seat.
Preferably, the bottom end of the cylinder body is in threaded connection with a lower mounting seat, and hanging rings are welded at the end parts of the upper mounting seat and the lower mounting seat.
Preferably, heat dissipation mechanism is installed to the lateral wall of cylinder body, heat dissipation mechanism includes sleeve, heat conduction net and semiconductor refrigeration piece, semiconductor refrigeration piece is installed to the lateral wall of cylinder body, the sleeve has been cup jointed in the outside of semiconductor refrigeration piece, telescopic lateral wall is provided with the heat conduction net.
Preferably, the top lateral wall of cylinder body installs last limiting plate, the bottom lateral wall of cylinder body installs lower limiting plate, telescopic top surface and bottom surface respectively with last limiting plate with lower limiting plate inconsistent.
The invention has the technical effects and advantages that: compared with the prior art, the magneto-rheological damper provided by the invention has the beneficial effects that:
1. the invention provides a magnetorheological damper, which is characterized in that the length of a sliding barrel and a sliding rod in a piston rod is adjusted, only two hexagonal bolts on the side wall of the sliding barrel need to rotate outwards from threaded grooves, so that the end parts of the hexagonal bolts can slide out of adjusting pin holes, and a sliding rod is pulled, so that tooth grooves on the bottom of the sliding rod can drive a gear to rotate on a fixed shaft, and the length between the sliding barrel and the sliding rod can be increased.
2. In the process that the gear rotates on the fixed shaft, the gear rotates and moves on the side wall of the rack, so that the length of the piston rod can be increased in the process that the sliding cylinder can slide outwards from the inside of the piston rod, the length of the piston rod can be increased, the magnetorheological damper can be installed under different devices and scenes, the application range of the magnetorheological damper can be expanded, and the magnetorheological damper has better universality compared with the existing magnetorheological damper.
3. The invention provides a magnetorheological damper, which is characterized in that a heat dissipation mechanism is arranged on the side wall of a cylinder body, and the upper limiting plate and the lower limiting plate are used for limiting the cylinder body, so that the cylinder body can be cooled through a semiconductor refrigerating sheet in the heat dissipation mechanism in the working process, the phenomenon that the flowability of magnetorheological fluid in the cylinder body is poor due to the change of temperature is effectively prevented, and the stability of the magnetorheological damper is improved to a certain extent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the piston rod of the present invention;
FIG. 3 is a schematic view of the internal structure of the piston of the present invention;
fig. 4 is a schematic structural diagram of the heat dissipation mechanism of the present invention.
Reference numbers in the figures: 1. a cylinder body; 2. a piston rod; 3. an upper limiting plate; 4. a heat dissipation mechanism; 401. a sleeve; 402. a thermally conductive mesh; 403. a semiconductor refrigeration sheet; 5. a gear; 6. a lower limiting plate; 7. a lower mounting seat; 8. hanging a ring; 9. a slide cylinder; 10. a slide bar; 11. a hexagon bolt; 12. an upper mounting seat; 13. adjusting pin holes; 14. a thread groove; 15. a fixed shaft; 16. mounting grooves; 17. a rack; 18. a screw head; 19. an adaptor head; 20. a limiting ring; 21. a limiting groove; 22. mounting a rod; 23. a restrictor plate; 24. a piston; 25. sealing the rubber ring; 26. a through groove; 27. a flow channel; 28. a thread; 29. a nut; 30. a tooth socket; 31. a cavity; 32. an electromagnetic coil.
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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
The invention provides a magnetorheological damper as shown in figures 1-4, which comprises a cylinder body 1, wherein a piston rod 2 is slidably connected inside the cylinder body 1, a sliding barrel 9 is slidably connected inside the piston rod 2, a sliding rod 10 is slidably connected inside the sliding barrel 9, the piston rod 2, the sliding barrel 9 and the sliding rod 10 are adjusted through a rotating assembly and limited through a limiting mechanism, the rotating assembly comprises a fixed shaft 15, a gear 5, a rack 17 and a tooth groove 30, the side walls of the two sides of the sliding barrel 9 are respectively and fixedly connected with the fixed shaft 15, the side wall of the fixed shaft 15 is rotatably connected with the gear 5, the inner side wall of the piston rod 2 is provided with an installation groove 16, the inside of the installation groove 16 is fixedly connected with the rack 17, the side wall of the bottom of the sliding rod 10 is provided with the tooth groove 30, and the side wall of the gear 5 is respectively engaged and connected with the side wall of the rack 17 and the tooth groove 30;
the limiting mechanism comprises adjusting pin holes 13, thread grooves 14 and hexagonal bolts 11, a plurality of adjusting pin holes 13 are respectively formed in two sides of the sliding rod 10, the thread grooves 14 are respectively formed in the side wall of the sliding cylinder 9, the end portion of the hexagonal bolt 11 is inserted into one of the adjusting pin holes 13, and the side wall of the hexagonal bolt 11 is in threaded connection with the thread grooves 14.
When the length of the piston rod 2 needs to be extended, the two hexagon bolts 11 on the side wall of the sliding barrel 9 are rotated outwards from the thread grooves 14, the end parts of the hexagon bolts 11 can slide out from the adjusting pin holes 13, then the sliding rod 10 is pulled, in the process that the sliding rod 10 slides outwards from the inside of the sliding barrel 9, the toothed groove 30 on the bottom of the sliding rod 10 drives the gear 5 to rotate on the fixed shaft 15, so that the length between the sliding barrel 9 and the sliding rod 10 can be increased, in the process that the sliding rod 10 rotates on the fixed shaft 15, because the rack 17 of the mounting groove 16 inside the sliding barrel 9 is also in a meshed state with the side wall of the gear 5, the gear 5 rotates and moves on the side wall of the rack 17, and the gear 5 is mounted on the side wall of the sliding barrel 9 through the fixed shaft 15, so that the sliding barrel 9 can slide outwards from the inside of the piston rod 2, so that the length of the piston rod 2 can be increased, after the adjustment is completed, the hexagon bolt 11 is rotated into the inside of the sliding barrel 9 again through the thread groove 14 on the side wall of the sliding barrel 9, the end part of the hexagon bolt 11 is inserted into the inside of the adjusting pin hole 13 with the corresponding length again, the length of the piston rod 2 can be kept unchanged after the length of the piston rod 2 is adjusted, and if the length of the piston rod 2 needs to be adjusted again, the operation is repeated.
The bottom of the piston rod 2 is provided with an adapter 19, the side wall of the adapter 19 is fixedly connected with a limiting ring 20, the bottom end of the piston rod 2 is internally provided with a limiting groove 21, the limiting ring 20 is clamped and installed inside the limiting groove 21, the adapter 19 can be installed on the bottom end of the piston rod 2 through the clamping action of the limiting ring 20 and the limiting groove 21, the adapter 19 is internally connected with an installation rod 22 in an interference manner, the side wall of the installation rod 22 is sleeved with a piston 24, the inside of the piston 24 is provided with a cavity 31, the inside of the cavity 31 is provided with an electromagnetic coil 32, after being electrified, the magnetorheological fluid becomes thin or is in silk to change damping force, the middle of the installation rod 22 and the piston rod 2 is hollow and used for installing an electric wire, the electric wire is connected with the electromagnetic coil 32, the side wall of the installation rod 22 is provided with a thread 28, the side wall of the installation rod 22 is in threaded connection with a nut 29 through the thread 28, and the nut 29 is abutted against the bottom surface of the piston 24, through the lateral wall of installation pole 22 through screw thread 28 with nut 29 threaded connection, make nut 29 can fix the piston 24 of installing on the lateral wall of installation pole 22, and then can be convenient for install and dismantle piston 24, the later maintenance of also being convenient for simultaneously.
The side wall of the mounting rod 22 above the piston 24 is fixedly connected with a flow limiting plate 23, the inside of the piston 24 is respectively provided with a flow channel 27, magnetorheological fluid can enter or enter through the flow channel 27 in the process that the piston 24 slides up and down in the cylinder body 1 under the action of the flow limiting plate 23, the flow rate of the magnetorheological fluid can be adjusted, so that the damping capacity of the magnetorheological damper can be ensured in the long-time use process, the side wall of the piston 24 is sleeved with a sealing rubber ring 25, the inside of the piston 24 is provided with a through groove 26, the piston 24 is mounted below the piston rod 2 in a manner that the mounting rod 22 is inserted into the through groove 26, the side wall of the piston 24 is sleeved with the sealing rubber ring 25, the side wall of the sealing rubber ring 25 is abutted against the inner wall of the cylinder body 1, so that the tightness of the piston 24 in the sliding process is ensured, and under the action of the through groove 26, facilitating the installation of the piston 24.
The top integrated into one piece of piston rod 2 has screw head 18, the inside threaded connection of screw head 18 and last mount pad 12, through the inside threaded connection of screw head 18 on the piston rod 2 top and mount pad, can dismantle and install between mount pad 12 and the piston rod 2 on the messenger, thereby can select the last mount pad 12 that corresponds according to different installation environment, improve magnetorheological damper's commonality, mount pad 7 under the bottom threaded connection of cylinder body 1, the tip of going up mount pad 12 and mount pad 7 down has all welded link 8, can install magnetorheological damper on the axostylus axostyle through link 8, further provide magnetorheological damper's commonality.
The heat dissipation mechanism 4 comprises a sleeve 401, a heat conduction net 402 and a semiconductor refrigeration sheet 403, the side wall of the cylinder body 1 is provided with the semiconductor refrigeration sheet 403, the sleeve 401 is sleeved outside the semiconductor refrigeration sheet 403, the side wall of the sleeve 401 is provided with the heat conduction net 402, the heat quantity emitted by the interior of the cylinder body 1 in the process of moving the piston 24 can be locked through the action of the semiconductor refrigeration sheet 403, the heat absorption treatment is carried out in the process of temperature reduction treatment, the sleeve 401 is sleeved on the semiconductor refrigeration sheet 403, on one hand, the semiconductor refrigeration sheet 403 can be fixed, on the other hand, the heat dissipation treatment can be carried out on the semiconductor refrigeration sheet 403, meanwhile, the protection effect can be provided for the cylinder body 1 and the semiconductor refrigeration sheet 403, the upper limit plate 3 is arranged on the side wall of the top of the cylinder body 1, the lower limit plate 6 is arranged on the side wall of the bottom of the cylinder body 1, the top surface and the bottom surface of the sleeve 401 are respectively abutted against the upper limit plate 3 and the lower limit plate 6, can carry out spacing processing to semiconductor refrigeration piece 403 and sleeve 401, make semiconductor refrigeration piece 403 and sleeve 401 install the back on the lateral wall of cylinder body 1, can be fixed by spacing, in the use of complex environment, prevent to take place to drop.
The structure principle and the using flow are as follows: the upper mounting seat 12 and the lower mounting seat 7 are replaced by disassembling the upper mounting seat 12 and the lower mounting seat 7, and then the length of the piston rod 2 is adjusted according to the actual damping range;
1. when the length of the piston rod 2 needs to be extended, the two hexagon bolts 11 on the side wall of the sliding barrel 9 are rotated outwards from the thread grooves 14, so that the end parts of the hexagon bolts 11 can slide out of the adjusting pin holes 13, then the sliding rod 10 is pulled, in the process that the sliding rod 10 slides outwards from the inside of the sliding barrel 9, the toothed groove 30 on the bottom of the sliding rod 10 drives the gear 5 to rotate on the fixed shaft 15, so that the length between the slide cylinder 9 and the slide rod 10 can be increased, and in the process of rotating on the fixed shaft 15 through the gear 5, because the rack 17 of the mounting groove 16 inside the slide cylinder 9 is also in a meshed state with the side wall of the gear 5, the gear 5 rotates and moves on the side wall of the rack 17 and the gear 5 is mounted on the side wall of the slide cylinder 9 through the fixed shaft 15 so that the slide cylinder 9 can slide outward from the inside of the piston rod 2, thereby enabling the length of the piston rod 2 to be increased.
2. After the adjustment is completed, the hexagon bolt 11 is rotated into the inside of the sliding barrel 9 again through the thread groove 14 on the side wall of the sliding barrel 9, the end part of the hexagon bolt 11 is inserted into the inside of the adjusting pin hole 13 with the corresponding length again, the length of the piston rod 2 can be kept unchanged after the length of the piston rod 2 is adjusted, and if the length of the piston rod 2 needs to be adjusted again, the operation is repeated.
In the actual working process, the vibration of the equipment can cause the electromagnetic coil inside the cylinder body 1 to be electrified, so that the upper piston 24 near the electromagnetic coil generates a magnetic field, the magnetorheological fluid can present low fluidity to flow inside the through groove 26 under the action of the magnetic field, and the piston 24 can provide damping in the process of moving in the cylinder body 1 to slide up and down, so that the vibration generated by the equipment can be reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. Magnetorheological shock absorber, including cylinder body (1), its characterized in that: a piston rod (2) is connected inside the cylinder body (1) in a sliding way, a sliding cylinder (9) is connected inside the piston rod (2) in a sliding way, a sliding rod (10) is connected inside the sliding barrel (9) in a sliding manner, the piston rod (2), the sliding barrel (9) and the sliding rod (10) are adjusted through a rotating assembly, and is limited by a limiting mechanism, the rotating component comprises a fixed shaft (15), a gear (5), a rack (17) and a tooth groove (30), the side walls of the two sides of the sliding cylinder (9) are respectively fixedly connected with a fixed shaft (15), the side wall of the fixed shaft (15) is rotationally connected with a gear (5), the inner side wall of the piston rod (2) is provided with a mounting groove (16), a rack (17) is fixedly connected inside the mounting groove (16), a tooth groove (30) is formed in the side wall of the bottom of the sliding rod (10), the side wall of the gear (5) is respectively meshed and connected with the side wall of the rack (17) and the tooth groove (30);
the limiting mechanism comprises adjusting pin holes (13), thread grooves (14) and a hexagonal bolt (11), a plurality of adjusting pin holes (13) are respectively formed in two sides of the sliding rod (10), the thread grooves (14) are respectively formed in the side wall of the sliding barrel (9), the end portion of the hexagonal bolt (11) is inserted into one of the adjusting pin holes (13), and the side wall of the hexagonal bolt (11) is in threaded connection with the thread grooves (14).
2. The magnetorheological damper of claim 1, wherein: adapter (19) is installed to the bottom of piston rod (2), lateral wall fixedly connected with spacing ring (20) of adapter (19), spacing groove (21) have been seted up to the bottom inside of piston rod (2), spacing ring (20) are installed to the inside block of spacing groove (21).
3. The magnetorheological damper of claim 2, wherein: the inside interference of adapter (19) is connected with installation pole (22), piston (24) have been cup jointed to the lateral wall of installation pole (22), the lateral wall of installation pole (22) is provided with screw thread (28), the lateral wall of installation pole (22) passes through screw thread (28) and nut (29) threaded connection, nut (29) are inconsistent with the bottom surface of piston (24), cavity (31) have been seted up to the inside of piston (24), the internally mounted of cavity (31) has solenoid (32).
4. The magnetorheological damper of claim 3, wherein: the side wall of the mounting rod (22) above the piston (24) is fixedly connected with a flow limiting plate (23), and flow channels (27) are respectively formed in the piston (24).
5. The magnetorheological damper of claim 4, wherein: the side wall of the piston (24) is sleeved with a sealing rubber ring (25), a through groove (26) is formed in the piston (24), and the piston (24) is installed below the piston rod (2) in a mode that the installation rod (22) is inserted into the through groove (26).
6. The magnetorheological damper of claim 5, wherein: the top integrated into one piece of piston rod (2) has screw head (18), screw head (18) and the inside threaded connection of last mount pad (12).
7. The magnetorheological damper of claim 6, wherein: the bottom threaded connection of cylinder body (1) has down mount pad (7), go up the tip of mount pad (12) and lower mount pad (7) and all weld link (8).
8. The magnetorheological damper of claim 1, wherein: heat dissipation mechanism (4) are installed to the lateral wall of cylinder body (1), heat dissipation mechanism (4) include sleeve (401), heat conduction net (402) and semiconductor refrigeration piece (403), semiconductor refrigeration piece (403) are installed to the lateral wall of cylinder body (1), sleeve (401) have been cup jointed in the outside of semiconductor refrigeration piece (403), the lateral wall of sleeve (401) is provided with heat conduction net (402).
9. The magnetorheological damper of claim 8, wherein: last limiting plate (3) is installed to the top lateral wall of cylinder body (1), limiting plate (6) down is installed to the bottom lateral wall of cylinder body (1), the top surface and the bottom surface of sleeve (401) are inconsistent with last limiting plate (3) and lower limiting plate (6) respectively.
CN202210633272.XA 2022-06-06 2022-06-06 Magneto-rheological damper Active CN115076279B (en)

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* Cited by examiner, † Cited by third party
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JPH11325158A (en) * 1998-05-15 1999-11-26 Katsuhiro Noyama Shock absorber for vehicle
CN205064671U (en) * 2015-09-22 2016-03-02 郑州精益达汽车零部件有限公司 Holding power adjustable air spring
CN109372936A (en) * 2018-11-18 2019-02-22 刘山平 A kind of Double-cylinder high-pressure magnetorheological shock absorber
CN211737849U (en) * 2020-01-15 2020-10-23 湖北东风捷祥汽车减振器股份有限公司 Air storage type double-cylinder shock absorber
CN214248111U (en) * 2020-12-31 2021-09-21 镇江市亚凤气动元件有限公司 Air spring with adjustable installation distance
CN215569092U (en) * 2021-05-31 2022-01-18 杭州同泽工程管理有限公司 Monitoring devices is used in supervision is built in room

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11325158A (en) * 1998-05-15 1999-11-26 Katsuhiro Noyama Shock absorber for vehicle
CN205064671U (en) * 2015-09-22 2016-03-02 郑州精益达汽车零部件有限公司 Holding power adjustable air spring
CN109372936A (en) * 2018-11-18 2019-02-22 刘山平 A kind of Double-cylinder high-pressure magnetorheological shock absorber
CN211737849U (en) * 2020-01-15 2020-10-23 湖北东风捷祥汽车减振器股份有限公司 Air storage type double-cylinder shock absorber
CN214248111U (en) * 2020-12-31 2021-09-21 镇江市亚凤气动元件有限公司 Air spring with adjustable installation distance
CN215569092U (en) * 2021-05-31 2022-01-18 杭州同泽工程管理有限公司 Monitoring devices is used in supervision is built in room

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