CN115370698A - Self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator - Google Patents

Self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator Download PDF

Info

Publication number
CN115370698A
CN115370698A CN202210936508.7A CN202210936508A CN115370698A CN 115370698 A CN115370698 A CN 115370698A CN 202210936508 A CN202210936508 A CN 202210936508A CN 115370698 A CN115370698 A CN 115370698A
Authority
CN
China
Prior art keywords
magnetic pole
air spring
spring
air
electromagnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210936508.7A
Other languages
Chinese (zh)
Other versions
CN115370698B (en
Inventor
宋春生
江友亮
马欣
熊学春
尹睿
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.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN202210936508.7A priority Critical patent/CN115370698B/en
Publication of CN115370698A publication Critical patent/CN115370698A/en
Application granted granted Critical
Publication of CN115370698B publication Critical patent/CN115370698B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/002Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
    • 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
    • F16F6/00Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator which comprises an air spring structure, an electromagnetic spring structure, a tray structure and a shell structure, wherein the air spring and the electromagnetic spring are associated through the tray structure and a base, the electromagnetic spring comprises an outer magnetic pole, an inner magnetic pole, a movable floater and a disc spring, the inner magnetic pole and the outer magnetic pole consist of a permanent magnet and a conductor and form a stable magnetic loop, two groups of coils are arranged in the movable floater, each group of coils consists of a large coil and a small coil, the small coil can measure the speed parameter of the movable floater, and the large coil can realize axial vibration after current is introduced. The invention can adjust the height of the vibration isolator according to different vibration isolation requirements, automatically measure the vibration speed, reduce external measuring sensors and improve the application range of the vibration isolator; meanwhile, the large coil of the movable floater is connected with current with a certain rule, active force can be provided, the large coil is combined with the air spring, active and passive vibration isolation is realized, and the vibration reduction bandwidth and the vibration isolation effect of the vibration isolation system are greatly improved.

Description

Self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator
Technical Field
The invention relates to the technical field of active and passive vibration isolators, in particular to a self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator.
Background
The passive vibration isolator has an invariable parameter characteristic and can only have a vibration isolation effect in a frequency band which is more than √ 2 times the natural frequency. Active vibration isolation, which is to adopt the input mode of external energy to counteract the vibration of equipment and theoretically realize broadband vibration isolation. At present, the main passive vibration isolators include a rubber vibration isolator, an air spring vibration isolator, a steel wire rope vibration isolator and the like, and the active vibration isolator includes an air bag vibration isolator, a magneto-rheological vibration isolator and an electromagnetic vibration isolator. Therefore, the active and passive hybrid vibration isolator is an effective means for improving vibration isolation bandwidth and vibration isolation performance. At present, the problems that measurement signals depend on external measurement, the stability of air bag inflation is poor, influence is caused between an air bag and electromagnetism, the coupling is caused and the like still exist in the active and passive magnetic-air hybrid vibration isolator, and the vibration isolation performance of the vibration isolator is reduced. Therefore, the self-measuring speed adjustable high-magnetism air-mixing vibration isolator has certain social significance and value.
Disclosure of Invention
The invention aims to provide a self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator which has the advantages of completing a speed parameter self-measuring function, enhancing the stability of an air bag inflation bearing surface, ensuring that the inclination of an air spring does not influence the performance of an electromagnetic spring, realizing active and passive vibration isolation and improving the vibration isolation bandwidth and the vibration isolation performance.
The technical purpose of the invention is realized by the following technical scheme:
a self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator,
comprises a shell structure, a shell body structure,
the air spring structure comprises an air spring and a supporting mechanism which are arranged in an inverted manner, the supporting mechanism is used for fixedly supporting the air spring, the air spring structure is used for bearing the weight of equipment and plays a role in passive vibration isolation,
the electromagnetic spring structure surrounds the periphery of the air spring, the electromagnetic spring is horizontally aligned with the central height position of the air spring, the electromagnetic spring structure comprises an inner magnetic pole, a movable floater, an outer magnetic pole, a disc spring and an aviation interface, the inner magnetic pole comprises an inner permanent magnet and an inner magnetic pole magnetic conduction ring, the outer magnetic pole comprises an outer permanent magnet and an outer magnetic pole magnetic conduction ring, the NS polarity direction of the inner permanent magnet is opposite to the NS polarity direction of the outer permanent magnet, the NS polarities of the inner magnetic pole and the outer magnetic pole are opposite, so that the inner magnetic pole and the outer magnetic pole form a stable permanent magnetic field loop, the movable floater is positioned in an air gap between the inner magnetic pole and the outer magnetic pole, the distances between the movable floater and the inner magnetic pole and the outer magnetic pole are equal, and the electromagnetic spring structure is used for active vibration isolation,
two groups of disc springs, wherein the disc springs comprise a disc fixing seat, a disc cover plate and a disc, the two groups of disc springs are respectively fixed at the upper end and the lower end of the electromagnetic spring structure, the central ends of the disc springs are fixedly connected with the movable floater through a fastener, disc spring supporting columns are arranged on the disc springs, the outer edge parts of the disc springs are fixedly connected with the inner magnetic pole through the disc spring supporting columns, the movable floater and the inner magnetic pole are connected through the upper and the lower groups of disc springs to ensure that the heights of the central lines of the movable floater and the inner magnetic pole are kept consistent,
the tray structure comprises an equipment bearing tray, an electromagnetic spring ejector rod and four air spring ejector rods, the center of the equipment bearing tray is connected with the electromagnetic spring ejector rods through fasteners, the periphery of the equipment bearing tray is connected with the four air spring ejector rods, and the tray structure realizes coupling between air spring force and electromagnetic spring force through the electromagnetic spring ejector rods and the four air spring ejector rods.
Preferably, the supporting mechanism comprises an air spring upper cover plate, an air spring lower cover plate and an air spring supporting base, the air spring upper cover plate and the air spring lower cover plate are respectively fixed on the upper end face and the lower end face of the air spring, the lower end face of the air spring lower cover plate is fixedly connected with the upper end of the air spring supporting base, an inflation pipeline is arranged at the lower end of the air spring, one end of the inflation pipeline penetrates through the lower cover plate of the air spring and is communicated with the interior of the air spring, and the inflation pipeline is used for adjusting air pressure in the air spring.
Preferably, the inner magnetic pole and the outer magnetic pole are located at the same height, the upper end of the inner permanent magnet is an N pole, the lower end of the inner permanent magnet is an S pole, the upper end of the outer permanent magnet is an S pole, the lower end of the outer permanent magnet is an N pole, and the inner permanent magnet and the outer permanent magnet are respectively guided by the inner magnetic conductive ring and the outer magnetic conductive ring to form a clockwise permanent magnetic field loop.
Preferably, the movable floater comprises an upper group of coils and a lower group of coils and a support frame for fixing the two groups of coils, and the upper group of coils and the lower group of coils both comprise large coils and small coils.
Preferably, the directions of currents introduced into the upper and lower groups of large coils are opposite, so that the two groups of large coils generate electromagnetic forces in the same direction under the action of the permanent magnetic field.
Preferably, the output end of the small coil positioned above and the input end of the small coil positioned below are connected in series to form a small coil set, and the small coil set is used for being externally connected with a measuring tool to realize the self-measurement of the speed of the vibration isolator.
Preferably, the housing structure includes an upper cover, a housing sleeve, an outer magnetic pole base and a base, the upper cover is located at the upper end of the housing sleeve and is fixedly connected with the housing sleeve, the outer magnetic pole base is located at the lower end of the inner wall of the housing sleeve and is fixedly connected with the housing sleeve, the outer magnetic pole base is used for supporting the outer magnetic pole, and the base is located at the lower end of the outer magnetic pole base and is fixedly connected with the outer magnetic pole base.
The beneficial effects of the invention are as follows:
1. the invention provides a self-speed-measuring adjustable high-magnetism air-mixing vibration isolator, which combines an electromagnetic spring and an air spring, realizes high-bearing low-frequency vibration isolation performance, realizes active and passive vibration isolation, and greatly improves the vibration isolation bandwidth and the vibration isolation effect of the vibration isolator.
2. The invention adopts the electromagnetic spring to act on the center of the tray, and the air spring acts on the circumferential structure of the tray, thereby ensuring that the tilting of the air spring does not influence the electromagnetic spring.
3. The large and small coil structures designed by the invention realize the function of self-testing vibration speed signals while realizing active control, save sensor measuring equipment and realize a data detection function without a sensor.
4. The invention adopts a Lorentz force electromagnetic spring structure form and has linear control performance; meanwhile, the principle of separately arranging the air path and the current is adopted, and the control coupling is reduced as much as possible.
5. Compared with other existing vibration isolators, the vibration isolator has the characteristics of self-testing of speed parameters, strong stability, strong vibration isolation performance and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the tray structure of the present invention;
FIG. 3 is a schematic structural diagram of the electromagnetic spring structure of the present invention;
FIG. 4 is a schematic diagram of the electromagnetic spring magnetic circuit of the present invention;
FIG. 5 is a connection diagram of the electromagnetic spring coil according to the present invention;
FIG. 6 is a schematic view of the air spring configuration of the present invention;
fig. 7 is a schematic view of the housing structure of the present invention.
Reference numerals: 1. a tray structure; 11. a device carrying tray; 12. an electromagnetic spring ejector rod; 13. an air spring ejector rod; 2. an electromagnetic spring structure; 21. an inner magnetic pole magnetic conduction ring; 22. an inner permanent magnet; 23, a coil support frame; 24 coils; 25. an outer magnetic pole magnetic conduction ring; 26. an outer permanent magnet; 27. a disc holder; 28. a disc; 29. a disc cover plate; 210. a disc spring support post; 211. an air interface; 3. an air spring structure; 31. an air spring upper cover plate; 32. an air spring; 33. an air spring lower cover plate; 34. an air spring support base; 35. a pipeline; 4. a housing structure; 41. an upper cover; 42. an outer shell; 43. an outer magnetic pole base; 44. a base.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-7, the self-speed-measuring adjustable magnetic-air hybrid vibration isolator comprises a tray structure 1, an electromagnetic spring structure 2, an air spring 32 and a shell structure 4. In the embodiment, the air spring 32 and the electromagnetic spring are embedded inside and outside, the electromagnetic spring structure 2 can realize a self-speed measuring function and an active control function, the air spring 32 is installed in an inverted mode to realize a height stabilizing function, and the air control and the electromagnetism are separately arranged up and down to realize the maximum mutual noninterference performance.
Wherein the air spring structure 3 provides bearing capacity for the equipment and simultaneously plays a role of passive vibration isolation. A permanent magnetic field magnetic circuit and a large coil and a small coil are arranged in the electromagnetic spring, and the large coil which is introduced with certain current generates active vibration force under the action of the magnetic circuit, so that the active vibration isolation function is realized. The small coil cuts the magnetic induction line in the magnetic circuit to move, and the speed parameter detection function can be realized by measuring the current value or the voltage value.
The air spring structure 3 is the main bearing structure of the present embodiment, and provides support and passive vibration isolation for the vibration isolator. The air spring comprises an air spring 32, wherein the upper end face and the lower end face of the air spring are fixedly connected with an air spring upper cover plate 31 and an air spring lower cover plate 33 respectively, and inflation ports are arranged in the middles of the air spring upper cover plate 31 and the air spring lower cover plate 33 respectively and used for inflating and deflating the air spring 32. The air inflation pipeline 35 is connected to the air spring 32 through an air inflation port of the lower cover plate to realize air inflation. And an air spring lower cover plate 33 is fixedly connected with two fan-shaped column air spring 32 supporting seats, so that the air springs 32 are arranged in the middle of the vibration isolator.
The electromagnetic spring structure 2 is an active vibration isolation structure of this embodiment, and realizes the functions of self-testing speed parameters and active vibration isolation. The electromagnetic spring structure 2 comprises a permanent magnet and magnetic conductive rings, wherein the permanent magnet is divided into an inner permanent magnet 22 and an outer permanent magnet 26, the corresponding magnetic conductive rings are divided into an inner magnetic pole magnetic conductive ring 21 and an outer magnetic pole magnetic conductive ring 25, and the inner permanent magnet 22 and the outer permanent magnet 26 form inner and outer magnetic poles.
The disc fixing seat 27, the disc 28 and the disc cover 29 constitute a disc spring. The structure of the inner magnetic pole and the outer magnetic pole is that a permanent magnet is fixedly connected with two magnetic conduction rings up and down. The inner magnetic pole is fixed on the air spring 32 supporting base 44 through screws, and the outer magnetic pole is fixed on the outer magnetic pole base 43 of the shell structure 4 through screws, so that the inner magnetic pole and the outer magnetic pole are ensured to be at the same horizontal height.
The movable floater in the electromagnetic spring mainly comprises a coil support frame, two groups of coils and a disc spring. Wherein the disc spring is composed of a disc holder 27, a disc 28 and a disc cover 29. Through the upper and lower two groups of disc spring structures and the disc spring support column 210, the movable floater is arranged between the air gaps between the inner magnetic pole and the outer magnetic pole, so that the two groups of coils are ensured to be horizontal with the center of the magnetic conduction ring, and the radial distance between the two groups of coils and the inner magnetic pole is equal to that between the two groups of coils and the outer magnetic pole.
The polarity directions of the inner permanent magnet 22 are an upper end N pole and a lower end S pole; the polarity of the outer permanent magnet 26 is S pole at the upper end and N pole at the lower end, so that the inner magnetic pole and the outer magnetic pole form a clockwise permanent magnetic field loop. The upper and lower two groups of coils are internally provided with a large coil and a small coil, and the large coils in the upper and lower two groups of coils are connected with currents in opposite directions, so that the large coils in the two groups of coils can generate active control forces in the same direction in a permanent magnetic field loop. The output end of the small coil positioned above is connected with the input end of the small coil positioned below in series to form a small coil group. The small coil assembly can be externally connected with a measuring tool, such as an oscilloscope, an ammeter, a voltmeter, a multimeter and the like.
The aviation interface 211 comprises 1-6 interfaces, two groups of large coils exist independently, and the large coils are connected with 1,2,3,4 of the aviation interface 211. Wherein, the interfaces 1 and 2 are connected with the large coil positioned above, and the interfaces 3 and 4 are connected with the large coil positioned below. The input end of the small coil positioned at the upper end is connected with the No. 5 interface of the aviation interface 211, and the output end of the small coil positioned at the lower end is connected with the No. 6 interface of the aviation interface 211.
Connecting the measuring tools such as oscilloscope (or ammeter, voltmeter, or multimeter) into the interfaces 5, 6, and calculating according to the formula
Figure BDA0003783607310000071
Or
Figure BDA0003783607310000072
The speed of the vibration isolator can be calculated.
Wherein, the length of the small coil group after the series connection is set as L, the impedance is set as Z, the permanent magnetic field is set as B, when the small coil group is connected into a tool for measuring voltage, the method adopts
Figure BDA0003783607310000073
Epsilon is the voltage value displayed by the measuring tool; when small coils are connected to a means for measuring current, use is made of
Figure BDA0003783607310000074
i is the current value displayed by the measuring tool.
The pallet structure 1 is the connecting air spring 32 and the electromagnetic spring structure 2 of the embodiment, and ensures that the passive force of the air spring 32 and the active force of the electromagnetic spring act on the pallet structure 1 at the same time, so as to transmit the passive force and the active force to the mechanical power equipment.
The tray structure 1 mainly comprises an equipment bearing tray 11, an electromagnetic spring top rod 12 and four air spring 32 top rods 13. One end of an electromagnetic spring ejector rod 12 is fixed in the middle of the equipment bearing tray 11, and the other end of the electromagnetic spring ejector rod is fixedly connected with the center of a disc spring of the movable floater. One end of the mandrils of the four air springs 32 is fixed on the periphery of the equipment bearing tray 11, and the other end is connected on the air spring upper cover plate 31 of the air spring structure 3 through screw threads.
The structure ensures that the force of the air spring 32 and the main force of the electromagnetic spring act on the tray structure 1 together, and simultaneously ensures that the tilting of the air spring 32 does not influence the coaxiality of the coil support frame and the inner and outer magnetic poles in the movable floater.
The housing structure 4 serves primarily to support the electromagnetic spring structure 2 and the air spring structure 3, while at the same time also serving a protective function. The housing structure 4 comprises an upper cover 41, a housing sleeve 42, an outer pole base 43 and a bottom cover. The bottom cover is fixedly connected with an air spring 32 support base 44 in the air spring structure 3, and an air pipe is reserved on the side wall of the bottom cover. The outer magnetic pole base 43 is fixed on the base 44 by screws, the outer casing 42 is directly sleeved on the outer magnetic pole base 43, and a through hole of the aviation interface 211 is reserved on the side wall of the outer casing 42. The upper cover 41 is pressed on the outer shell 42, and is screwed with the inner magnetic pole by screws on the periphery to realize compaction.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator, which is characterized in that,
comprises a shell structure (4),
the air spring structure (3) comprises an air spring (32) and a supporting mechanism which are arranged in an inverted manner, the supporting mechanism is used for fixedly supporting the air spring (32), the air spring structure (3) is used for bearing the weight of equipment and plays a role in passive vibration isolation,
the electromagnetic vibration isolation device comprises an electromagnetic spring structure (2), wherein the electromagnetic spring structure (2) surrounds the periphery of an air spring (32), the electromagnetic spring structure (2) is horizontally aligned with the central height position of the air spring (32), the electromagnetic spring structure (2) comprises an inner magnetic pole, a movable floater, an outer magnetic pole, a disc spring and an aviation interface (211), the inner magnetic pole comprises an inner permanent magnet (22) and an inner magnetic pole magnetic conduction ring (21), the outer magnetic pole comprises an outer permanent magnet (26) and an outer magnetic pole magnetic conduction ring (25), the NS polarity direction of the inner permanent magnet (22) is opposite to the NS polarity direction of the outer permanent magnet (26), the NS polarities of the inner magnetic pole and the outer magnetic pole are opposite, so that the inner magnetic pole and the outer magnetic pole form a stable permanent magnetic field loop, the movable floater is positioned in an air gap between the inner magnetic pole and the outer magnetic pole, the distance between the movable floater and the inner magnetic pole and the outer magnetic pole is equal, and the electromagnetic spring structure (2) is used for active vibration isolation,
the disc springs comprise disc fixing seats (27), disc cover plates (29) and discs (28), the two disc springs are respectively fixed at the upper end and the lower end of the electromagnetic spring structure (2), the central ends of the disc springs are fixedly connected with the movable floater through fasteners, disc spring supporting columns (210) are arranged on the disc springs, the outer edge parts of the disc springs are fixedly connected with the inner magnetic poles through the disc spring supporting columns (210), the movable floater and the inner magnetic poles ensure that the heights of the central lines of the movable floater and the inner magnetic poles are kept consistent through the connection of the upper and lower disc springs,
tray structure (1), tray structure (1) bears tray (11), an electromagnetic spring ejector pin (12) and four air spring ejector pins (13) including equipment, equipment bears tray (11) center and is connected through the fastener with electromagnetic spring ejector pin (12), equipment bears tray (11) and is connected with four air spring ejector pins (13) all around, tray structure (1) realizes the coupling between air spring force and the electromagnetic spring force through an electromagnetic spring ejector pin (12) and four air spring ejector pins (13).
2. The hybrid magnetic-air vibration isolator with the self-measuring speed and the adjustable height according to claim 1, wherein the supporting mechanism comprises an air spring upper cover plate (31), an air spring lower cover plate (33) and an air spring supporting base (34), the air spring upper cover plate (31) and the air spring lower cover plate (33) are respectively fixed on the upper end surface and the lower end surface of the air spring (32), the lower end surface of the air spring lower cover plate (33) is fixedly connected with the upper end of the air spring supporting base (34), the lower end of the air spring (32) is provided with an inflation pipeline (35), one end of the inflation pipeline (35) penetrates through the lower cover plate (33) of the air spring and is communicated with the inside of the air spring (32), and the inflation pipeline (35) is used for adjusting the air pressure inside the air spring (32).
3. The self-measuring speed height-adjustable magnetic-air hybrid vibration isolator according to claim 1, wherein the inner magnetic pole and the outer magnetic pole are located at the same height position, the upper end of the inner permanent magnet (22) is an N pole, the lower end of the inner permanent magnet is an S pole, the upper end of the outer permanent magnet (26) is an S pole, the lower end of the outer permanent magnet is an N pole, and the inner permanent magnet (22) and the outer permanent magnet (26) form a clockwise permanent magnetic field loop respectively through the guidance of the inner magnetic conductive ring and the outer magnetic conductive ring.
4. The self-measuring speed height-adjustable magnetic-air hybrid vibration isolator as claimed in claim 1, wherein the movable floater comprises an upper set of coils and a lower set of coils, and a support frame for fixing the two sets of coils, and the upper and lower sets of coils each comprise a large coil and a small coil.
5. The self-measuring speed height-adjustable magnetic-air hybrid vibration isolator as claimed in claim 4, wherein the directions of currents introduced into the upper and lower groups of large coils are opposite, so that the two groups of large coils generate electromagnetic forces in the same direction under the action of the permanent magnetic field.
6. The self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator as claimed in claim 5, wherein the output end of the small coil positioned above and the input end of the small coil positioned below are connected in series to form a small coil set, and the small coil set is used for being externally connected with a measuring tool to realize self-measurement of the speed of the vibration isolator.
7. The self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator according to claim 1, wherein the housing structure (4) comprises an upper cover (41), a housing sleeve (42), an outer magnetic pole base (43) and a base (44), the upper cover (41) is located at the upper end of the housing sleeve (42) and fixedly connected with the housing sleeve (42), the outer magnetic pole base (43) is located at the lower end of the inner wall of the housing sleeve (42) and fixedly connected with the housing sleeve (42), the outer magnetic pole base (43) is used for supporting an outer magnetic pole, and the base (44) is located at the lower end of the outer magnetic pole base (43) and fixedly connected with the outer magnetic pole base (43).
CN202210936508.7A 2022-08-05 2022-08-05 Magnetic and air hybrid vibration isolator with self-testing speed and adjustable height Active CN115370698B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210936508.7A CN115370698B (en) 2022-08-05 2022-08-05 Magnetic and air hybrid vibration isolator with self-testing speed and adjustable height

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210936508.7A CN115370698B (en) 2022-08-05 2022-08-05 Magnetic and air hybrid vibration isolator with self-testing speed and adjustable height

Publications (2)

Publication Number Publication Date
CN115370698A true CN115370698A (en) 2022-11-22
CN115370698B CN115370698B (en) 2024-04-16

Family

ID=84062758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210936508.7A Active CN115370698B (en) 2022-08-05 2022-08-05 Magnetic and air hybrid vibration isolator with self-testing speed and adjustable height

Country Status (1)

Country Link
CN (1) CN115370698B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05340444A (en) * 1992-06-08 1993-12-21 Sumitomo Electric Ind Ltd Vibration isolating device and control method therefor
JP2000088029A (en) * 1998-09-11 2000-03-28 Toyo Tire & Rubber Co Ltd Vibration isolating device
CN201354000Y (en) * 2009-02-19 2009-12-02 上海工程技术大学 Inertial-mass type vibrating isolation device for automobile engines
CN201434038Y (en) * 2009-06-10 2010-03-31 无锡锡南铸造机械有限公司 Air spring device
CN102748425A (en) * 2012-06-15 2012-10-24 中国人民解放军海军工程大学 Driving-driven hybrid vibration isolator
CN104019179A (en) * 2014-06-06 2014-09-03 武汉理工大学 Air spring-magnetic suspension combined vibration isolator
CN104930113A (en) * 2015-05-18 2015-09-23 中国人民解放军海军工程大学 Impact-resistant type active-passive hybrid vibration isolator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05340444A (en) * 1992-06-08 1993-12-21 Sumitomo Electric Ind Ltd Vibration isolating device and control method therefor
JP2000088029A (en) * 1998-09-11 2000-03-28 Toyo Tire & Rubber Co Ltd Vibration isolating device
CN201354000Y (en) * 2009-02-19 2009-12-02 上海工程技术大学 Inertial-mass type vibrating isolation device for automobile engines
CN201434038Y (en) * 2009-06-10 2010-03-31 无锡锡南铸造机械有限公司 Air spring device
CN102748425A (en) * 2012-06-15 2012-10-24 中国人民解放军海军工程大学 Driving-driven hybrid vibration isolator
CN104019179A (en) * 2014-06-06 2014-09-03 武汉理工大学 Air spring-magnetic suspension combined vibration isolator
CN104930113A (en) * 2015-05-18 2015-09-23 中国人民解放军海军工程大学 Impact-resistant type active-passive hybrid vibration isolator

Also Published As

Publication number Publication date
CN115370698B (en) 2024-04-16

Similar Documents

Publication Publication Date Title
US9041230B2 (en) Method and apparatus for motional/vibrational energy harvesting via electromagnetic induction using a magnet array
CN103225651B (en) Superconducting magnetic levitation and static suspension mixing suspension supporting arrangement
CN103149583B (en) A kind of rotation acceleration meter for earthquake
CN104179868B (en) Active-passive integrated formula electromagnetism isolation mounting
CN102072790A (en) Device for measuring micro impulse
US11525870B2 (en) Electromagnetic gradiometers
CN109417356A (en) Use the electrostatic generator system of magnetic repulsion
CN115370698A (en) Self-measuring speed height-adjustable magnetic-gas hybrid vibration isolator
CN103487224A (en) Double-magnetic-source magnetic circuit structure of permanent-magnet angle vibration table
CN103048683B (en) Magnetic-suspension wave detector
CN205643728U (en) Dose equivalent's ionization chamber around measuring
CN204613414U (en) A kind of active accelerated degree type shock sensor
CN105242324B (en) Relative gravity sensor based on space cross flexible support structure
CN108562934A (en) A kind of rotation seismometer
US2443969A (en) Vibration pickup
US3395349A (en) Wide angle d'arsonval movement having core mounting means interfitted with the core ring
CN106019362B (en) Moving coil type low-frequency expanded geophone
US2423864A (en) Variable reactance
CN109596299B (en) Vertical and horizontal dual-purpose vibrating table
CN210429003U (en) Electric suspension principle demonstration device
CN112089214A (en) Columnar rotary file display rack
CN113389843B (en) Electromagnetic pneumatic quasi-zero stiffness vibration isolator with adjustable stiffness
CN207475385U (en) A kind of voice coil motor
CN215414285U (en) Guide supporting device for moving coil of vibration table
CN209765066U (en) Wave detector with vibration damper

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant