CN113586650A - Novel explosion door protection device for explosion decompression chamber - Google Patents

Novel explosion door protection device for explosion decompression chamber Download PDF

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Publication number
CN113586650A
CN113586650A CN202110952638.5A CN202110952638A CN113586650A CN 113586650 A CN113586650 A CN 113586650A CN 202110952638 A CN202110952638 A CN 202110952638A CN 113586650 A CN113586650 A CN 113586650A
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CN
China
Prior art keywords
piston
chamber
hole
magnetic field
shell
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Pending
Application number
CN202110952638.5A
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Chinese (zh)
Inventor
孙丁群
张俊
隋鑫垒
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.)
Yantai Hongyuan Oxygen Industrial Inc
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Yantai Hongyuan Oxygen Industrial Inc
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.)
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Publication date
Application filed by Yantai Hongyuan Oxygen Industrial Inc filed Critical Yantai Hongyuan Oxygen Industrial Inc
Priority to CN202110952638.5A priority Critical patent/CN113586650A/en
Publication of CN113586650A publication Critical patent/CN113586650A/en
Pending legal-status Critical Current

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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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535—Magnetorheological [MR] fluid dampers
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3292—Sensor arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes
    • G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
    • G09B9/52—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of an outer space vehicle
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/30—Sealing arrangements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Administration (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a novel explosion door protection device of an explosion decompression chamber, which comprises a base and a damping block, wherein the base is used for being installed on the inner wall of a chamber body, the damping block is used for abutting against an explosion door, a magnetorheological damper used for absorbing impact force is arranged between the damping block and the base, the magnetorheological damper is electrically connected with a current controller, and the current controller is electrically connected with an acceleration sensor used for being installed on the explosion door; the magnetorheological damper is connected with the base and the damping block through bolts, so that the magnetorheological damper is convenient to mount and dismount.

Description

Novel explosion door protection device for explosion decompression chamber
Technical Field
The invention relates to the technical field of protective devices, in particular to a novel protective device for an explosion door of an explosion decompression chamber.
Background
With the rapid development of the aerospace technology in China, various special simulation training devices for pilots and astronauts are also rapidly developed, and an explosion decompression chamber is an important simulation training device; the explosion decompression chamber has a rapid decompression function, can simulate the real process of the airplane density losing state in the high-altitude environment, and meets the scientific research requirements. The explosion decompression chamber is of a one-chamber two-chamber three-door structure, the main chamber is an experiment chamber and mainly simulates low-pressure and low-temperature environments, the auxiliary chamber is a rapid decompression chamber and mainly simulates the high-altitude density losing state of an aircraft, and the transition door between the two chambers is controlled by an electric permanent magnet, so that the explosion decompression chamber has a rapid opening function and meets the requirement of simulating the explosion decompression chamber. When the simulation of secret state of losing begins, the locking device of explosion door opens, the electricity-magnetic door outage, the explosion door can open rapidly under the huge pressure differential in both sides, and simultaneously, also can produce huge energy, pound to the hatch door rear side, consequently, the hatch door rear side all can set up explosion door protector, cushion the explosion door, avoid the explosion door to damage the cabin body, but this type of protector at present, only set up a large-scale buffer block at the hatch door rear side, it is not heavy, the damping of buffer block can't adjust again, can't fully absorb the energy that the explosion door carried after exploding, the explosion door can produce very big noise when pounding to the buffer block. Therefore, the development of a novel explosion decompression chamber protection device has great practicability and necessity.
Disclosure of Invention
The invention aims to provide a novel explosion door protection device for an explosion decompression chamber, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel explosion decompression chamber explosion door protector, is including being used for installing the base at cabin body inner wall and the damping piece that is used for supporting the explosion door, be equipped with the magnetic current becomes attenuator that is used for absorbing the impact force between damping piece and the base, magnetic current becomes attenuator electric connection current controller, and current controller electric connection is used for installing the acceleration sensor on the explosion door.
As a further scheme of the invention: the magneto-rheological damper comprises a shell, the right end of the shell is fixedly connected with a base through an end cover, and a piston assembly is in sliding fit in the shell;
the piston assembly comprises a piston rod, a connecting plate for connecting a damping block is arranged at the outer end of the piston rod, the inner end of the piston rod is fixedly connected with the piston, the piston is arranged in an inner cavity of the shell in a sliding mode, the inner cavity of the shell comprises a compression chamber and a rebound chamber, magnetic fluid is filled in the compression chamber and the rebound chamber, and a backflow chamber separated from the rebound chamber and the compression chamber is further arranged in the shell;
an end cover is arranged at the right end of the piston in a matched mode, a spring assembly used for absorbing energy is arranged between the inner end of the end cover and the piston, a hole is formed between the spring assembly and the inner wall of the compression chamber, a hole d used for communicating the hole with the backflow chamber is formed in the end cover, a hole c corresponding to the hole d is formed in the shell, and a magnetic field generator used for changing the flowability of the magnetic fluid is arranged at the end portion of the compression chamber and the end portion of the rebound chamber respectively;
the left end of the rebound cavity is provided with a rod guide part in sliding fit with the piston rod, the side face of the rod guide part is provided with a hole a, the shell is provided with a hole b corresponding to the hole a, and the hole a and the hole b communicate the backflow cavity with the rebound cavity.
As a further scheme of the invention: and a piston gasket matched with the piston assembly is arranged at the left port of the shell.
As a further scheme of the invention: and a rebound stopper coaxially arranged with the piston rod is arranged at the left end of the piston.
As a further scheme of the invention: the inside guide ring that is equipped with a plurality of and piston assembly matched with of pole guiding piece, the pole guiding piece outside is equipped with the sealing washer a with casing inner wall matched with.
As a further scheme of the invention: the magnetic field generator comprises a magnetic field generator upper part and a magnetic field generator lower part, a coil used for electrifying is wound between the magnetic field generator upper part and the magnetic field generator lower part, and a sealing ring b is arranged between the magnetic field generator and the inner cavity wall of the shell.
As a still further scheme of the invention: the spring assembly comprises a center pole fixedly connected with the inner wall of the right side of the compression chamber, the center pole is fixedly connected with the end cover through a fastening screw, a spiral spring used for abutting against the piston is arranged inside the center pole, and a sealing ring c used for sealing is arranged between the end cover and the shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the explosion door protection device can output adjustable and controllable wide damping force, and can quickly attenuate impact vibration with proper damping force all the time, so that the protection grade of the protection device is improved;
2. the magnetorheological damper is connected with the base and the damping block through bolts, so that the magnetorheological damper is convenient to mount and dismount;
3. the magnetic field generator of the magneto-rheological damper is an independent component, and the assembly and the maintenance of the magneto-rheological damper are easy to carry out;
4. the magneto-rheological damper is provided with the two magnetic field generators, so that the control on the damping force is more accurate and rapid, and the fault tolerance rate is higher.
Drawings
Fig. 1 is a schematic view of an installation position of an explosion door guard of the present invention;
fig. 2 is a schematic view of the structure of the explosion door guard of the present invention;
FIG. 3 is a perspective view of a magnetorheological damper of the present invention;
FIG. 4 is a cross-sectional side view of a magnetorheological damper of the present invention.
FIG. 5 is a magnetorheological damper control schematic.
Wherein: the system comprises an explosion door 01, an explosion door protection device 02, a cabin 03, an acceleration sensor 04 and a current controller 05;
the damping block 1, the magneto-rheological damper 2 and the base 3;
piston assembly 21, piston washer 22, rod guide 23, magnetic field generator 24, housing 25, spring assembly 26, end cap 27;
connecting plate 211, piston rod 212, guide ring 213, rebound stop 214, piston 215, seal a231, bore a232, magnetic field generator upper portion 241, coil 242, magnetic field generator lower portion 243, seal b244, bore b251, return chamber 252, bore c253, rebound chamber 254, compression chamber 255, aperture 256, coil spring 261, center pole 262, fastening screw 263, bore d271, seal c 272.
Detailed Description
The invention aims to solve the problems that a conventional explosion door protection device is too heavy, the damping cannot be adjusted and the like, and further designs a simple and reasonable explosion decompression chamber explosion door protection device with intelligently adjustable damping and higher protection level. The damping device is characterized in that the device is simple and is not easy to be unstable, the damping device can output adjustable and controllable wide damping force and can quickly attenuate the impact vibration of the explosion door with proper damping force all the time, and the resistance range and the resistance level of the protection device are higher.
Referring to fig. 1-5, in the embodiment of the present invention, a novel explosion door protection device for an explosion decompression chamber includes a base 3 for being installed on an inner wall of a cabin 03 and a damping block 1 for pressing against an explosion door 01, and a magnetorheological damper 2 for absorbing impact force is disposed between the damping block 1 and the base 3;
the magnetorheological damper 2 comprises a shell 25, the right end of the shell 25 is fixedly connected with the base 3 through an end cover 27, a piston assembly 21 is in sliding fit in the shell 25, and a piston gasket 22 matched with the piston assembly 21 is arranged at the left port of the shell 25;
the piston assembly 21 comprises a piston rod 212, a connecting plate 211 for connecting the damping block 1 is arranged at the outer end of the piston rod 212, the inner end of the piston rod 212 is fixedly connected with a piston 215, the piston 215 is slidably arranged in the inner cavity of the shell 25, the inner cavity of the shell 25 comprises a compression chamber 255 and a rebound chamber 254, magnetic fluid is filled in the compression chamber 255 and the rebound chamber 254, and a backflow chamber 252 separated from the rebound chamber 254 and the compression chamber 255 is further arranged in the shell 25;
an end cover 27 is arranged at the right end of the piston 215 in a matched mode, a spring assembly 26 for absorbing energy is arranged between the inner end of the end cover 27 and the piston 215, a hole 256 is formed between the spring assembly 26 and the inner wall of the compression chamber 255, a hole d271 for communicating the hole 256 with the backflow chamber 252 is formed in the end cover 27, a hole c253 corresponding to the hole d271 is formed in the shell 25, and a magnetic field generator 24 for changing the flowability of the magnetic fluid is arranged at the end portion of each of the compression chamber 255 and the rebound chamber 254;
an acceleration sensor 04 is installed at a proper position of the explosion door 01 and connected with a current controller 05, the acceleration sensor 04 can collect an explosion impact response signal of the explosion door 01, namely after the explosion door is exploded, the acceleration sensor 04 detects an acceleration signal of the movement of the explosion door and inputs the acceleration signal to the current controller 05, the current controller outputs corresponding current to a magnetic field generator of a magneto-rheological damper according to the input signal, the damping force output by the magneto-rheological damper 2 is changed along with the change of the acceleration signal, and the damping force can be adjusted and controlled, so that the energy generated by the explosion door can be effectively attenuated;
a rod guide 23 in sliding fit with the piston rod 212 is arranged at the left end of the rebound chamber 254, a hole a232 is formed in the side face of the rod guide 23, a hole b251 corresponding to the hole a232 is formed in the shell 25, and the hole a232 and the hole b251 communicate the backflow chamber 252 with the rebound chamber 254;
the piston 215 is provided at its left end with a rebound stopper 214 coaxially disposed with the piston rod 212;
a plurality of guide rings 213 matched with the piston assembly 21 are arranged in the rod guide 23, and a sealing ring a231 matched with the inner wall of the shell 25 is arranged on the outer side of the rod guide 23;
the magnetic field generator 24 comprises a magnetic field generator upper part 241 and a magnetic field generator lower part 243, a coil 242 for electrifying is wound between the magnetic field generator upper part 241 and the magnetic field generator lower part 243, and a sealing ring b244 is arranged between the magnetic field generator 24 and the inner cavity wall of the shell 25;
the spring assembly 26 includes a center pole 262 fixedly connected to the right inner wall of the compression chamber 255, the center pole 262 is fixedly connected to the end cap 27 through a fastening screw 263, a coil spring 261 for pressing the piston 215 is disposed inside the center pole 262, and a sealing ring c272 for sealing is disposed between the end cap 27 and the housing 25.
The working principle of the invention is as follows: in operation, when the explosion door 01 is exploded and contacts the damping mass 1, the damping mass 1 pushes the magnetorheological damper 2 into a compression stroke, and the piston rod 212 and the piston 215 slide along the central axis a in the rebound chamber 254 and the compression chamber 255 toward the magnetic field generator and the end cap 27. When piston rod 212 and piston 215 move toward end cap 27, coil spring 261 is compressed between piston 215 and end cap 27. To provide a damping force during the compression stroke, the two magnetic field generators 24 are commonly powered by a power source to generate a magnetic field, thereby increasing the viscosity of the working fluid and providing a fluid resistance to the movement of the piston rod 212 and the piston 215. In response to the piston rod 212 and the piston 215 moving toward the end cap 27, the working fluid passes from the compression chamber 254 through the aperture 256 between the center pole 262 and the magnetic field generating portion 24, and the hole c271 of the end cap 27, the hole c253 of the return chamber, and is pushed into the rebound chamber 253 by the return chamber 252, the hole b251, the hole a232 of the rod guide 23.
During the rebound stroke, the coil spring 261 in a compressed state urges the piston rod 212 and the piston 215 toward the rod guide 23 along the center axis a. When the piston rod 212 and the piston 215 move toward the rod guide 23, the coil spring 261 is released from its compressed state. Simultaneously, piston 215 and piston rod 212 push working fluid from rebound chamber 254 through return chamber 252, bore c253, bore d271, center pole 262 and aperture 256 of magnetic field generator 24 from bore a232, bore b251 into compression chamber 255. During the rebound stroke, to provide the damping force, the magnetic field generating portion 24 is charged by the power source to generate the magnetic field, thereby increasing the viscosity of the working fluid to provide a fluid resistance to the movement of the piston rod 212 and the piston 215.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims (7)

1. The utility model provides a novel explosion door protector of explosion decompression chamber, its characterized in that, including being used for installing base (3) at cabin body (03) inner wall and damping piece (1) that are used for pressing explosion door (01), be equipped with between damping piece (1) and base (3) and be used for absorbing magnetorheological damper (2) of impact force, magnetorheological damper (2) electric connection current controller (05), current controller (05) electric connection is used for installing acceleration sensor (04) on explosion door (01).
2. The novel explosion door protector of a decompression chamber according to claim 1, wherein the magnetorheological damper (2) comprises a housing (25), the right end of the housing (25) is fixedly connected with the base (3) through an end cover (27), and a piston assembly (21) is slidably fitted in the housing (25);
the piston assembly (21) comprises a piston rod (212), a connecting plate (211) used for being connected with the damping block (1) is arranged at the outer end of the piston rod (212), the inner end of the piston rod (212) is fixedly connected with a piston (215), the piston (215) is arranged in an inner cavity of a shell (25) in a sliding mode, the inner cavity of the shell (25) comprises a compression chamber (255) and a rebound chamber (254), magnetic fluids are filled in the compression chamber (255) and the rebound chamber (254), and a backflow chamber (252) separated from the rebound chamber (254) and the compression chamber (255) is further arranged in the shell (25);
an end cover (27) is arranged at the right end of the piston (215) in a matched mode, a spring assembly (26) used for absorbing energy is arranged between the inner end of the end cover (27) and the piston (215), a hole (256) is formed between the spring assembly (26) and the inner wall of the compression chamber (255), a hole d (271) used for communicating the hole (256) with the backflow chamber (252) is formed in the end cover (27), a hole c (253) corresponding to the hole d (271) is formed in the shell (25), and a magnetic field generator (24) used for changing the flowability of the magnetic fluid is arranged at the end portions of the compression chamber (255) and the rebound chamber (254) respectively;
the left end of the rebound chamber (254) is provided with a rod guide (23) in sliding fit with the piston rod (212), the side face of the rod guide (23) is provided with a hole a (232), the shell (25) is provided with a hole b (251) corresponding to the hole a (232), and the hole a (232) and the hole b (251) communicate the backflow chamber (252) with the rebound chamber (254).
3. The novel explosion door protector for decompression chamber according to claim 2, wherein the piston gasket (22) fitted with the piston assembly (21) is provided at the left port of the housing (25).
4. The new blast door protection device of blast decompression chamber according to claim 2, characterized in that said piston (215) is provided at its left end with a rebound stop (214) arranged coaxially to the piston rod (212).
5. The novel explosion door protector for decompression chamber according to claim 2, wherein the rod guide (23) is provided with a plurality of guide rings (213) inside for cooperating with the piston assembly (21), and the rod guide (23) is provided with a sealing ring a (231) outside for cooperating with the inner wall of the housing (25).
6. The novel explosion door protection device of explosion decompression chamber according to claim 2, wherein the magnetic field generator (24) comprises an upper magnetic field generator part (241) and a lower magnetic field generator part (243), a coil (242) for electrifying is wound between the upper magnetic field generator part (241) and the lower magnetic field generator part (243), and a sealing ring b (244) is arranged between the magnetic field generator (24) and the inner cavity wall of the shell (25).
7. The novel explosion door protector of a decompression chamber according to claim 2, wherein the spring assembly (26) comprises a center pole (262) fixedly connected with the inner wall of the right side of the compression chamber (255), the center pole (262) is fixedly connected with the end cover (27) through a fastening screw (263), a coil spring (261) for pressing the piston (215) is arranged inside the center pole (262), and a sealing ring c (272) for sealing is arranged between the end cover (27) and the shell (25).
CN202110952638.5A 2021-08-19 2021-08-19 Novel explosion door protection device for explosion decompression chamber Pending CN113586650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110952638.5A CN113586650A (en) 2021-08-19 2021-08-19 Novel explosion door protection device for explosion decompression chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110952638.5A CN113586650A (en) 2021-08-19 2021-08-19 Novel explosion door protection device for explosion decompression chamber

Publications (1)

Publication Number Publication Date
CN113586650A true CN113586650A (en) 2021-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110952638.5A Pending CN113586650A (en) 2021-08-19 2021-08-19 Novel explosion door protection device for explosion decompression chamber

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282266A (en) * 2004-03-30 2005-10-13 Ohbayashi Corp Impact absorbing structure and impact absorbing method
CN107061597A (en) * 2017-03-21 2017-08-18 哈尔滨工程大学 A kind of magnetorheological fluid damp vibration isolator
CN109973580A (en) * 2019-04-26 2019-07-05 哈尔滨工业大学 A kind of MR damper suitable for high speed impact
CN111779787A (en) * 2019-07-16 2020-10-16 北京京西重工有限公司 Magneto-rheological damper
CN213393304U (en) * 2020-07-20 2021-06-08 湖南博海新材料股份有限公司 Active vibration damping platform based on magnetorheological fluid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005282266A (en) * 2004-03-30 2005-10-13 Ohbayashi Corp Impact absorbing structure and impact absorbing method
CN107061597A (en) * 2017-03-21 2017-08-18 哈尔滨工程大学 A kind of magnetorheological fluid damp vibration isolator
CN109973580A (en) * 2019-04-26 2019-07-05 哈尔滨工业大学 A kind of MR damper suitable for high speed impact
CN111779787A (en) * 2019-07-16 2020-10-16 北京京西重工有限公司 Magneto-rheological damper
CN213393304U (en) * 2020-07-20 2021-06-08 湖南博海新材料股份有限公司 Active vibration damping platform based on magnetorheological fluid

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Application publication date: 20211102

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