CN116066499A - High-precision stepless regulation type eddy current damping device and regulation method - Google Patents
High-precision stepless regulation type eddy current damping device and regulation method Download PDFInfo
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- CN116066499A CN116066499A CN202211741892.1A CN202211741892A CN116066499A CN 116066499 A CN116066499 A CN 116066499A CN 202211741892 A CN202211741892 A CN 202211741892A CN 116066499 A CN116066499 A CN 116066499A
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- 238000013016 damping Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/02—Initiating means
- B64C13/04—Initiating means actuated personally
- B64C13/042—Initiating means actuated personally operated by hand
- B64C13/0421—Initiating means actuated personally operated by hand control sticks for primary flight controls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/02—Initiating means
- B64C13/04—Initiating means actuated personally
- B64C13/042—Initiating means actuated personally operated by hand
- B64C13/0423—Initiating means actuated personally operated by hand yokes or steering wheels for primary flight controls
-
- 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
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
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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
- F16F2230/00—Purpose; Design features
- F16F2230/18—Control arrangements
- F16F2230/186—Control arrangements with manual adjustments
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention provides a high-precision stepless regulation type eddy current damping device which comprises a shell, a guide cover, a gear ring, a left threaded sleeve and a right threaded sleeve which are matched with the gear ring, a first disc fixedly connected to the left threaded sleeve, a second disc fixedly connected to the right threaded sleeve, a threaded cover arranged in a central threaded hole of the guide cover, a rotating shaft assembly arranged on the shell and rotating around the axis of the shell, a first copper ring and a second copper ring which are in clearance fit with two sides of the rotating shaft assembly, and a worm fixed on the shell and meshed with the gear ring in an orthogonal mode. The device combines a worm gear set with self-locking characteristic and a reverse nut, and the damping coefficient can be adjusted in an off-line and on-line stepless manner by adjusting the size of the air gap of the magnetic field, so that the adjusting precision is high, the types of the damping coefficient are reduced, the cost is saved, the application range is enlarged, and the maintainability is improved.
Description
Technical Field
The invention belongs to the technical field of eddy current damping device design, and particularly relates to a high-precision stepless adjusting type eddy current damping device and an adjusting method.
Background
In the aircraft control system, a human-sensing system is arranged, a driver acts on the human-sensing system through steering levers and discs, the human-sensing system of the aircraft is a second-order oscillation link, and in order to improve the working stability of pitching and rolling control of the aircraft, the steering levers and discs are stabilized in control speed, oscillation and accidental overstrong control are prevented, and the system is restrained through a damper. In the traditional human sensing system, a hydraulic damper is adopted, and the damping force is easily affected by temperature, oil leakage and the like. The eddy current damping device is applied as a damper in an aircraft cockpit control system, but the damping force of the existing damper cannot be accurately adjusted, and the use requirement of on-board damping is difficult to meet.
Therefore, there is a need to design a high-precision stepless adjusting type eddy current damping device and adjusting method to solve the above problems.
Disclosure of Invention
In order to solve the problems, the high-precision stepless regulation type eddy current damping device is provided for overcoming the defects of the existing eddy current damping device, a worm gear set with self-locking characteristic is combined with a reverse nut, and the damping coefficient is adjusted on line by adjusting the size of an air gap of a magnetic field, so that the damping coefficient can be adjusted off line, the types of models are reduced, the cost is saved, the application range is enlarged, and the maintainability is improved.
The invention aims to provide a high-precision stepless regulation type eddy current damping device, which comprises a shell, a guide cover supported by the shell, a gear ring restrained between the shell and the guide cover and rotating around an axis, a left threaded sleeve and a right threaded sleeve matched with the gear ring, a first disc fixedly connected to the left threaded sleeve, a second disc fixedly connected to the right threaded sleeve, a first copper ring fixedly connected to the first disc, a second copper ring fixedly connected to the second disc, a threaded cover installed in a central threaded hole of the guide cover, a rotating shaft assembly installed on the shell and rotating around the axis of the shell and a worm meshed with the gear ring in an orthogonal mode, wherein internal threads for fixing the worm are arranged at two ends of the upper side of the shell in the orthogonal direction of the axis, a threaded plug is installed in the threaded ring, an annular groove is arranged on the inner cylindrical surface of the gear ring, the annular groove divides the inner cylindrical surface of the gear ring into a left threaded sleeve and a right threaded sleeve in the axis direction, the left inner cylindrical surface and the right cylindrical surface of the annular groove are respectively provided with opposite internal threads, the left cylindrical surface and the right cylindrical surface of the annular sleeve are respectively correspondingly connected with the left threaded sleeve and the right threaded sleeve in the opposite directions, and the first copper ring and the second copper ring are in clearance fit with the two copper rings.
The invention provides a high-precision stepless regulation type eddy current damping device, which is characterized in that the shell is of a cup structure, a round hole orthogonal to the axis of the shell is arranged on the upper side of the shell, first bearing holes for installing a worm are arranged at two ends of the round hole, screw holes are arranged on the outer sides of the first bearing holes, a second bearing hole for installing a rotor shaft is arranged at the center of the shell, bearing holes are arranged at two ends of the round hole, screw holes are arranged on the outer sides of the bearing holes, the bearing holes are arranged at the center of the shell, the outer wall of the bearing hole is a concentric ring surface, a ring groove is arranged around the ring surface, a guide groove and a ring surface are arranged on the inner wall of the ring groove,
the central hole of the first disc is sleeved on the annular surface and can axially and freely slide,
the guide groove is in sliding fit with the protruding blocks on the left threaded sleeve and the right threaded sleeve.
The high-precision stepless regulation type eddy current damping device provided by the invention is further characterized in that the outer circular surface of the gear ring is a gear, the inner circular surface is an internal thread, the left side is a left thread, the right side is a right thread, the left thread is matched with a left threaded sleeve, and the right thread is connected with a right threaded sleeve.
The high-precision stepless regulation type eddy current damping device provided by the invention also has the characteristic that the gear ring is a turbine or a bevel gear.
The high-precision stepless regulation type eddy current damping device provided by the invention is further characterized in that the first disc is provided with a threaded hole, the left threaded sleeve is fixedly connected with the left end face of the first disc in a concentric manner, the right end face of the first disc is fixedly connected with the first copper ring in a concentric manner, the first disc is made of soft magnetic materials, and the first copper ring is made of pure copper or pure aluminum materials.
The high-precision stepless regulation type eddy current damping device provided by the invention has the characteristics that the central hole of the second disc is sleeved on the annular surface of the center of the guide cover and can axially and freely slide, the right end surface of the second disc is fixedly connected with the right screw sleeve in a concentric manner, the left end surface of the second disc is fixed with the second copper ring, the second disc is made of soft magnetic material, and the second copper ring is made of pure copper or pure aluminum material.
The high-precision stepless regulation type eddy current damping device provided by the invention is also characterized in that the right end surface of the screw cap is provided with a thin-wall edge, the screw cap is punched and riveted in a groove of the guide cap, and the end surface of the screw cap is provided with an assembly protrusion matched with an assembly tool.
The high-precision stepless regulation type eddy current damping device provided by the invention is also characterized in that the rotating shaft component is simultaneously arranged in the bearing hole at the center of the shell and the center hole of the guide cover,
the rotating shaft assembly comprises a rotating shaft and a rotating disc fixedly connected with the rotating shaft, slotted holes are distributed in the circumferential direction of the rotating disc, permanent magnets are arranged in the slotted holes, the two sides of each permanent magnet are respectively N poles and S poles, the magnetic field polarity arrangement of the permanent magnets on the circumferential direction of the same side of the rotating disc is that every two adjacent N poles and S poles are alternately arranged, and the surfaces of the permanent magnets on the two sides of the rotating disc are respectively in clearance fit with the first copper ring and the second copper ring.
The high-precision stepless regulation type eddy current damping device provided by the invention has the characteristics that the two ends of the worm are polygonal, and the two end surfaces are provided with a straight thread cutter groove and an inner polygonal groove.
Another object of the present invention is to provide a method for adjusting a high-precision stepless adjusting type eddy current damping device, the adjusting method being used for adjusting the damping device according to any one of the preceding claims, the method comprising the steps of:
s1: unscrewing and removing the screw plug 14 by using a screwdriver tool;
s2: the screw shaft 12 is adjusted to rotate by a screwdriver tool, so that the damping coefficient is reduced, the screw shaft rotates anticlockwise, and the damping coefficient is increased;
s3: testing the damping coefficient of the eddy current damping device, performing adjustment and confirmation, and repeating the steps S2 and S3 until the requirement is met if the damping coefficient does not reach the required value;
s4: the screw plug 14 is fitted, and the adjustment is finished.
The beneficial effects are that:
the high-precision stepless regulation type eddy current damping device provided by the invention combines a worm gear set with self-locking characteristic and a reverse nut, and the damping coefficient can be regulated in an off-line and on-line stepless manner by regulating the size of the air gap of the magnetic field, so that the regulation precision is high, the types of the damping coefficient are reduced, the cost is saved, the application range is enlarged, and the maintainability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a semi-sectional structure of a damping device according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a damping device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a spindle assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a permanent magnet according to an embodiment of the present invention;
figure 5 is a schematic cross-sectional view of a housing in an embodiment of the invention,
the novel screw thread forming device comprises a 1-shell, a 2-first disc, a 3-left screw sleeve, a 4-gear ring, a 5-right screw sleeve, a 6-second disc, a 7-guiding cover, an 8-screw cover, a 9-first copper ring, a 10-second copper ring, a 11-rotating shaft component, a 12-worm, a 13-spiral ring, a 14-screw plug, a 15-rotating shaft, a 16-pressing plate, a 17-rotating disc, an 18-permanent magnet, a 1 a-second bearing hole, a 1 b-circular ring surface, a 1 c-guiding groove, a 1 d-circular surface, a 1 e-circular hole and a 1 f-threaded hole.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects achieved by the present invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1-5, there is provided a high-precision stepless regulation type eddy current damping device, the device comprises a housing 1, a guide cover 7 supported by the housing 1, a gear ring 4 restrained between the housing 1 and the guide cover 7 and rotating around an axis, a left threaded sleeve 3 and a right threaded sleeve 5 matched with the gear ring 4, a first disc 2 fixedly connected to the left threaded sleeve 3, a second disc 6 fixedly connected to the right threaded sleeve 5, a first copper ring 9 fixedly connected to the first disc 2, a second copper ring 10 fixedly connected to the second disc 6, a screw cover 8 installed in a central threaded hole of the guide cover 7, a rotating shaft assembly 11 installed on the housing 1 and rotating around the axis of the housing 1, a worm 12 fixed on the housing 1 and meshed with the gear ring 4 in an orthogonal manner, internal threads for fixing the worm 12 at two ends of the upper side of the housing 1 in the orthogonal direction of the axis, a threaded plug 14 installed in the internal threads, a threaded ring 13 installed in the internal cylindrical surface of the housing 4, an internal cylindrical surface of the gear ring 4, an internal cylindrical surface of the ring 4 divided into left and right parts in the axial direction, two parts corresponding to the left and right parts of the ring threaded ring 4 are respectively fitted with the two annular grooves 10 in the opposite directions, and the two annular grooves are formed in the opposite directions, respectively, and the two parts are matched with the two annular grooves 11 in the opposite directions and the corresponding to the internal cylindrical ring grooves are formed.
In some embodiments, the casing 1 is a cup structure, a round hole 1e orthogonal to the axis of the casing 1 is provided at the upper side of the casing 1, two ends of the round hole are provided with first bearing holes for installing a worm, the outer side of the first bearing holes is provided with a threaded hole 1f, the center of the casing is provided with a second bearing hole 1a for installing a rotor shaft, the outer wall of the second bearing hole 1a is a concentric annular surface 1b, the periphery of the annular surface 1b is provided with an annular groove, the inner wall of the annular groove is provided with a guide groove 1c and an annular surface 1d, the central hole of the first disc 2 is sleeved on the annular surface 1b and can axially and freely slide, and the guide groove 1c is in sliding fit with the protrusions on the left threaded sleeve 3 and the right threaded sleeve 5.
In some embodiments, the outer circle surface of the gear ring 4 is a gear, the inner circle surface is an internal thread, the left side is a left thread, the right side is a right thread, the left thread is matched with the left threaded sleeve 3, and the right thread is connected with the right threaded sleeve 5.
In some embodiments, the ring gear 4 is a turbine or a helical gear.
In some embodiments, the first disc 2 is provided with a thread, the left threaded sleeve 3 is fixedly connected with the thread of the first disc 2 in a concentric manner, the right end surface of the first disc 2 is fixed with the first copper ring 9, the first disc is made of soft magnetic material, and has good magnetic permeability, and the first copper ring is made of pure copper, pure aluminum or other good conductive materials.
In some embodiments, the central hole of the second disc 6 is sleeved on the annular surface of the guide cover 7 and can axially and freely slide, the external thread of the second disc 6 is fixedly connected with the right threaded sleeve 5 in a concentric manner, the right end surface of the second disc 6 and the second copper ring 10 fix the second disc to be made of soft magnetic materials, and the second copper ring is made of pure copper, pure aluminum or other good conductive materials.
In some embodiments, the right end surface of the screw cap 8 is provided with a thin-wall edge, the thin-wall edge is punched and riveted in a groove of the guide cap, and the end surface of the screw cap 8 is provided with an assembling protrusion for being matched with an assembling tool.
In some embodiments, the rotating shaft assembly 11 is simultaneously installed in the bearing hole 1a in the center of the casing 1 and the center hole of the guide cover 7, the rotating shaft assembly 11 includes a rotating shaft 15 and a rotating disc 17 fixedly connected with the rotating shaft 15, slotted holes are distributed in the circumferential direction of the rotating disc 17, permanent magnets 18 are installed in the slotted holes, as shown in fig. 4, two sides of each permanent magnet are respectively N-pole and S-pole, the magnetic field polarities of the permanent magnets in the circumferential direction of the same side of the rotating disc are alternately arranged in adjacent two N-poles and S-poles, and the surfaces of the permanent magnets on two sides of the rotating disc 17 are respectively in clearance fit with the first copper ring 9 and the second copper ring 10. The rotating shaft 15 is fixedly connected with an i rotary table 17 through a pressing plate 16.
In some embodiments, the two ends of the worm 12 are polygonal, and the two end surfaces are provided with a straight thread groove and an inner polygonal groove.
In summary, according to the damping device provided in the above embodiment, by adjusting the gear ring 4, the size of the air gap between the magnetic fields at two sides of the rotating shaft assembly is changed, so that the damping coefficient can be adjusted, the damping coefficient can be adjusted offline and online, the types of damper models are reduced, the cost is saved, the application range is enlarged, and the maintainability is improved.
In some embodiments, a method for adjusting a high-precision stepless adjusting type eddy current damping device is provided, wherein the adjusting method is used for adjusting the damping device according to any one of the previous claims, and the method comprises the following steps:
s1: unscrewing and removing the screw plug 14 by using a screwdriver tool;
s2: the screw shaft 12 is adjusted to rotate by a screwdriver tool, so that the damping coefficient is reduced, the screw shaft rotates anticlockwise, and the damping coefficient is increased;
s3: testing the damping coefficient of the eddy current damping device, performing adjustment and confirmation, and repeating the steps S2 and S3 until the requirement is met if the damping coefficient does not reach the required value;
s4: the screw plug 14 is fitted, and the adjustment is finished.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The high-precision stepless regulation type eddy current damping device is characterized by comprising a shell, a guide cover supported by the shell, a gear ring restrained between the shell and the guide cover and rotating around an axis, a left threaded sleeve and a right threaded sleeve matched with the gear ring, a first disc fixedly connected to the left threaded sleeve, a second disc fixedly connected to the right threaded sleeve, a first copper ring fixedly connected to the first disc, a second copper ring fixedly connected to the second disc, a threaded cover arranged in a central threaded hole of the guide cover, a rotating shaft assembly arranged on the shell and rotating around the axis of the shell, and a worm fixed on the shell and meshed with the gear ring in an orthogonal manner,
the two ends of the upper side of the shell body in the direction orthogonal to the axis are provided with internal threads for fixing the worm, a spiral ring for axially restraining the bearing is arranged at the internal threads, a screw plug is arranged in the spiral ring,
the inner cylindrical surface of the gear ring is provided with an annular groove which divides the inner cylindrical surface of the gear ring into a left part and a right part in the axial direction, the inner circular surfaces of the left part and the right part are respectively provided with internal threads with opposite rotation directions, the internal threads are respectively correspondingly in threaded connection with a left threaded sleeve and a right threaded sleeve with opposite rotation directions,
the first copper ring and the second copper ring are in clearance fit with two sides of the rotating shaft assembly.
2. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the shell is of a cup structure, a round hole orthogonal to the axis of the shell is arranged on the upper side of the shell, first bearing holes for installing a worm are arranged at two ends of the round hole, threaded holes are arranged on the outer sides of the first bearing holes,
the center of the shell is provided with a second bearing hole for installing the rotor shaft, the outer wall of the second bearing hole is a concentric ring surface, the periphery of the ring surface is provided with a ring groove, the inner wall of the ring groove is provided with a guide groove and a ring surface,
the central hole of the first disc is sleeved on the annular surface and can axially and freely slide,
the guide groove is in sliding fit with the protruding blocks on the left threaded sleeve and the right threaded sleeve.
3. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the outer circular surface of the gear ring is a gear.
4. The high precision stepless adjustable type eddy current damping device according to claim 1, wherein the gear ring is a turbine or a helical gear.
5. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the first disk is provided with a threaded hole, the left threaded sleeve is fixedly connected with the left end face of the first disk in a concentric manner, the right end face of the first disk is fixedly connected with the first copper ring in a concentric manner,
the first disc is made of soft magnetic materials, and the first copper ring is made of pure copper or pure aluminum materials.
6. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the central hole of the second disc is sleeved on the annular surface of the center of the guide cover and can axially and freely slide, the right end surface of the second disc is fixedly connected with the right screw sleeve in a concentric manner, the left end surface of the second disc is fixed with the second copper ring,
the second disc is made of soft magnetic materials, and the second copper ring is made of pure copper or pure aluminum materials.
7. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the right end face of the screw cap is provided with a thin-wall edge, the thin-wall edge is punched and riveted in a groove of the guide cap, and the end face of the screw cap is provided with an assembling protrusion for being matched with an assembling tool.
8. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein the rotating shaft assembly is simultaneously installed in a bearing hole in the center of the shell and a center hole of the guide cover,
the rotating shaft assembly comprises a rotating shaft and a rotating disc fixedly connected with the rotating shaft, slotted holes are distributed in the circumferential direction of the rotating disc, permanent magnets are arranged in the slotted holes, the two sides of each permanent magnet are respectively N poles and S poles, the magnetic field polarity arrangement of the permanent magnets on the circumferential direction of the same side of the rotating disc is that every two adjacent N poles and S poles are alternately arranged, and the surfaces of the permanent magnets on the two sides of the rotating disc are respectively in clearance fit with the first copper ring and the second copper ring.
9. The high-precision stepless regulation type eddy current damping device according to claim 1, wherein two ends of the worm are polygonal, and a straight thread cutter groove and an inner polygonal groove are formed in two end faces.
10. A method for adjusting a high-precision stepless adjusting type eddy current damping device, characterized in that the adjusting method is used for adjusting the damping device according to any one of claims 1-9, the method steps are as follows:
s1: unscrewing and removing the screw plug 14 by using a screwdriver tool;
s2: the screw shaft 12 is adjusted to rotate by a screwdriver tool, so that the damping coefficient is reduced, the screw shaft rotates anticlockwise, and the damping coefficient is increased;
s3: testing the damping coefficient of the eddy current damping device, performing adjustment and confirmation, and repeating the steps S2 and S3 until the requirement is met if the damping coefficient does not reach the required value;
s4: the screw plug 14 is fitted, and the adjustment is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211741892.1A CN116066499A (en) | 2022-12-29 | 2022-12-29 | High-precision stepless regulation type eddy current damping device and regulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211741892.1A CN116066499A (en) | 2022-12-29 | 2022-12-29 | High-precision stepless regulation type eddy current damping device and regulation method |
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| CN116066499A true CN116066499A (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211741892.1A Pending CN116066499A (en) | 2022-12-29 | 2022-12-29 | High-precision stepless regulation type eddy current damping device and regulation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758913A (en) * | 2014-02-16 | 2014-04-30 | 苏州信文食品有限公司 | Mixed mode magneto-rheological shock absorber |
| CN103821861A (en) * | 2014-03-21 | 2014-05-28 | 湖南大学 | Axial eddy current damper based on spiral transmission method |
| US20170294828A1 (en) * | 2014-09-15 | 2017-10-12 | Zhengqing Chen | Outer cup rotary axial eddy current damper |
| CN109853764A (en) * | 2019-01-30 | 2019-06-07 | 同济大学 | It is used to hold damper using the self-balancing type of reciprocating screw rod |
| CN113251091A (en) * | 2021-07-01 | 2021-08-13 | 江苏永衡土木减隔震工程技术研究院有限公司 | Adjustable eddy current damper |
-
2022
- 2022-12-29 CN CN202211741892.1A patent/CN116066499A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758913A (en) * | 2014-02-16 | 2014-04-30 | 苏州信文食品有限公司 | Mixed mode magneto-rheological shock absorber |
| CN103821861A (en) * | 2014-03-21 | 2014-05-28 | 湖南大学 | Axial eddy current damper based on spiral transmission method |
| US20170294828A1 (en) * | 2014-09-15 | 2017-10-12 | Zhengqing Chen | Outer cup rotary axial eddy current damper |
| CN109853764A (en) * | 2019-01-30 | 2019-06-07 | 同济大学 | It is used to hold damper using the self-balancing type of reciprocating screw rod |
| CN113251091A (en) * | 2021-07-01 | 2021-08-13 | 江苏永衡土木减隔震工程技术研究院有限公司 | Adjustable eddy current damper |
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