CN217328263U - Cable type eddy current damper - Google Patents
Cable type eddy current damper Download PDFInfo
- Publication number
- CN217328263U CN217328263U CN202220035678.3U CN202220035678U CN217328263U CN 217328263 U CN217328263 U CN 217328263U CN 202220035678 U CN202220035678 U CN 202220035678U CN 217328263 U CN217328263 U CN 217328263U
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- China
- Prior art keywords
- cable
- roller bearing
- eddy current
- box
- protection
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- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract 2
- 238000005096 rolling process Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 16
- 238000006073 displacement reaction Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a stay cable formula eddy current damper, including the box and fix stator and the rotor in the box, the rotor includes roller bearing and conductor dish, the roller bearing rotates the inner chamber of connection at the box, the surface winding of roller bearing has the cable, the utility model relates to a structure vibration control technical field. The stay cable type eddy current damper adopts a displacement conversion mechanism of a stay cable to realize the separation of the rigidity and the damping force of the damper; adopt the permanent magnet to provide the required magnetic field of formation electric vortex, provide damping force by permanent magnet and structural displacement, need not lubrication, easy maintenance, it is rotatory to drive the roller bearing during cable displacement, and two cables drive the roller bearing and rotate opposite direction, and crisscross rotates, will lose in doing all can to when the roller bearing rotates, through stopper extrusion torsional spring, carry out offsetting of second ripples power, the damping effect is better.
Description
Technical Field
The utility model relates to a structural vibration control technical field specifically is a guyed eddy current damper.
Background
The basic principle of eddy current damping generation is as follows: when the conductor disc in a local magnetic field cuts magnetic lines of force, eddy current can be generated in the conductor disc, and the eddy current can generate a new magnetic field with the direction opposite to that of the original magnetic field, so that damping force for preventing the original magnetic field and the conductor from relative movement is formed between the original magnetic field and the conductor, meanwhile, the kinetic energy obtained by the conductor disc is converted into heat energy through the resistance effect of the conductor disc and dissipated out, and if the conductor disc is connected with a vibration structure, structural vibration reduction and energy dissipation effects can be generated, so that the electric eddy current damper is formed. The eddy current damper serving as a novel efficient structure passive vibration control means has the advantages of non-contact, no mechanical friction and loss, no need of lubrication, long service life, easiness in installation and the like, and is particularly suitable for working environments requiring long fatigue life and difficult maintenance.
The stay rope damper used in the prior art shown in fig. 4 has the following problems that the damping force is low, when the vibration force is high, the damping effect is poor, external dust and water vapor easily enter the interior of the stay rope along the stay rope, and damage is caused to internal devices, and the stay rope type rotating eddy current damper disclosed in the patent number CN207750422U has a poor protection effect on the interior and is short in service life.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a stay cable formula eddy current damper has solved the problem that the aforesaid was proposed.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a guy cable type eddy current damper comprises a box body, a stator and a rotor, wherein the stator and the rotor are fixed in the box body, the rotor comprises a rolling shaft and a conductor disc, the rolling shaft is rotatably connected to an inner cavity of the box body, a guy cable is wound on the surface of the rolling shaft, a torsion spring is sleeved on the surface of the rolling shaft, a fixed block is fixedly connected to the surface of the rolling shaft, the fixed block is fixedly connected with one end of the torsion spring, a limit block is fixedly connected to the inner cavity of the box body, and the limit block is abutted to the other end of the torsion spring; the conductor discs are respectively arranged on the rolling shafts in a penetrating way and are fixedly connected with the rolling shafts; the permanent magnets are symmetrically arranged on the front and rear inner surfaces of the box body.
The surface of box is provided with cable protection machanism, and cable protection machanism is including the protection section of thick bamboo of intercommunication on the box surface, the one end of cable runs through and extends to the opposite side of a protection section of thick bamboo.
As a further aspect of the present invention: the cable is provided with two, and two cable opposite directions, the torsional spring is provided with two, and the orientation is opposite.
As a further aspect of the present invention: the cable protection mechanism further comprises a protection ring fixed on the surface of the cable, the protection ring is arranged above the protection cylinder, and the bottom of the protection ring is communicated with a check ring sleeved on the surfaces of the cable and the protection cylinder.
As a further aspect of the present invention: the retainer ring is a hollow cylinder.
As a further aspect of the present invention: and a dust accumulated water discharge groove is formed in the bottom of the protective cylinder.
As a further aspect of the present invention: the inner cavity of the box body is rotatably connected with a guide wheel, and the surface of the guide wheel is abutted against the surface of the inhaul cable.
When the damper works, the vibration force is transmitted through the two inhaul cables, and the rigidity of the damper is separated from the damping force by adopting a displacement conversion mechanism of the inhaul cables; adopt the permanent magnet to provide the required magnetic field of formation electric vortex, provide damping force by permanent magnet and structural displacement, need not lubrication, easy maintenance, it is rotatory to drive the roller bearing during cable displacement, two cables drive the roller bearing and rotate opposite direction, crisscross the rotation, will power the internal consumption, and when the roller bearing rotates, extrude the torsional spring through the stopper, carry out offsetting of second wave power, and the cable exposes outside, establish the surface at a protection section of thick bamboo with the spacer ring through the fixed surface guard ring, can prevent effectively that external dust and water from getting into the box along the cable, lead to inside device to damage, life is longer.
Compared with the prior art, the utility model following beneficial effect possesses:
1. the utility model adopts the displacement conversion mechanism of the inhaul cable to realize the separation of the rigidity of the damper and the damping force; adopt the permanent magnet to provide the required magnetic field of formation electric vortex, provide damping force by permanent magnet and structural displacement, need not lubrication, easy maintenance, it is rotatory to drive the roller bearing during cable displacement, and two cables drive the roller bearing and rotate opposite direction, and crisscross rotates, will lose in doing all can to when the roller bearing rotates, through stopper extrusion torsional spring, carry out offsetting of second ripples power, the damping effect is better.
2. The utility model discloses, the cable exposes outside, establishes the surface at a protection section of thick bamboo with the retainer ring cover through the fixed surface guard ring, can prevent effectively that external dust and water from getting into the box along the cable in, lead to inside device to damage, and life is longer.
Drawings
Fig. 1 is an external structure diagram of the present invention;
FIG. 2 is a side view of the box body of the present invention;
FIG. 3 is a schematic view of the structural connection of the cable protection mechanism of the present invention;
fig. 4 is a schematic diagram of the prior art.
In the figure: 1. a box body; 2. a roller; 3. a pull cable; 4. a torsion spring; 5. a fixed block; 6. a limiting block; 7. a protective cylinder; 8. a guard ring; 9. a retainer ring; 10. a dust accumulated water discharge groove; 11. a guide wheel.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: a guy cable type eddy current damper comprises a box body 1, a stator and a rotor, wherein the stator and the rotor are fixed in the box body 1, the rotor comprises a rolling shaft 2 and a conductor disc, the rolling shaft 2 is rotatably connected to an inner cavity of the box body 1, a guy cable 3 is wound on the surface of the rolling shaft 2, a torsion spring 4 is sleeved on the surface of the rolling shaft 2, a fixed block 5 is fixedly connected to the surface of the rolling shaft 2, the fixed block 5 is fixedly connected with one end of the torsion spring 4, a limiting block 6 is fixedly connected to the inner cavity of the box body 1, and the limiting block 6 is abutted to the other end of the torsion spring 4;
the surface of the box body 1 is provided with a stay cable protection mechanism, the stay cable protection mechanism comprises a protection cylinder 7 communicated with the surface of the box body 1, one end of a stay cable 3 penetrates through and extends to the other side of the protection cylinder 7, the vibration force is transmitted through the two stay cables 3, and the separation of the rigidity and the damping force of the damper is realized by adopting a displacement conversion mechanism of the stay cable 3; adopt the permanent magnet to provide the required magnetic field of formation electric vortex, provide damping force by permanent magnet and structural displacement, need not lubrication, easy maintenance, drive roller bearing 2 rotatory during 3 displacements of cable, two cable 3 drive roller bearing 2 rotation opposite direction, crisscross rotate, will exert oneself internal consumption to when roller bearing 2 rotates, extrude torsional spring 4 through stopper 6, carry out offsetting of second wave power.
The cable 3 is provided with two, and the wall body is fixed, and two cable 3 orientation is opposite, and the torsional spring 4 is provided with two, and the orientation is opposite.
The cable protection mechanism is still including fixing the guard ring 8 on cable 3 surface, guard ring 8 sets up in the top of a protection section of thick bamboo 7, the bottom intercommunication of guard ring 8 has the retaining ring 9 of cover at cable 3 and a protection section of thick bamboo 7 surface, retaining ring 9 is hollow cylinder, dust ponding discharge tank 10 has been seted up to the bottom of a protection section of thick bamboo 7, the inner chamber of box 1 rotates and is connected with leading wheel 11, the surface of leading wheel 11 and cable 3's surface butt, cable 3 exposes outside, establish the surface at a protection section of thick bamboo 7 with retaining ring 9 cover through fixed surface guard ring 8, can prevent effectively that external dust and water from getting into in box 1 along cable 3, lead to inside device to damage, life is longer.
When the damper works, vibration force is transmitted through the two inhaul cables 3, and the rigidity of the damper is separated from the damping force by adopting a displacement conversion mechanism of the inhaul cables 3; adopt the permanent magnet to provide the required magnetic field of formation electric vortex, provide damping force by permanent magnet and structural displacement, need not lubrication, easy maintenance, it is rotatory to drive roller bearing 2 during 3 displacements of cable, two cable 3 drive roller bearing 2 rotation opposite direction, crisscross the rotation, consume in the power, and when roller bearing 2 rotated, through stopper 6 extrusion torsional spring 4, carry out offsetting of second wave power, and cable 3 exposes outside, establish retaining ring 9 cover on the surface of a protection section of thick bamboo 7 through surface mounting guard ring 8, can prevent effectively that external dust and water from getting into in the box 1 along cable 3, lead to inside device to damage, long service life.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a stay cable formula eddy current damper, includes box (1) and fixes stator and rotor in box (1), and the rotor includes roller bearing (2) and conductor dish, roller bearing (2) rotate the inner chamber of connecting at box (1), the surface winding of roller bearing (2) has cable (3), its characterized in that: the surface of the rolling shaft (2) is sleeved with a torsion spring (4), the surface of the rolling shaft (2) is fixedly connected with a fixed block (5), the fixed block (5) is fixedly connected with one end of the torsion spring (4), the inner cavity of the box body (1) is fixedly connected with a limiting block (6), and the limiting block (6) is abutted against the other end of the torsion spring (4);
the surface of box (1) is provided with cable protection machanism, and cable protection machanism is including intercommunication at box (1) surperficial protection section of thick bamboo (7), the one end of cable (3) runs through and extends to the opposite side of protection section of thick bamboo (7).
2. A stay wire eddy current damper according to claim 1, characterized in that: the inhaul cable (3) is provided with two, the orientations of the two inhaul cables (3) are opposite, and the orientations of the torsion springs (4) are opposite.
3. A stay wire eddy current damper according to claim 1, characterized in that: the cable protection mechanism further comprises a protection ring (8) fixed on the surface of the cable (3), the protection ring (8) is arranged above the protection cylinder (7), and the bottom of the protection ring (8) is communicated with a check ring (9) which is sleeved on the surfaces of the cable (3) and the protection cylinder (7).
4. A stay wire eddy current damper according to claim 3, characterized in that: the retainer ring (9) is a hollow cylinder.
5. A stay wire eddy current damper according to claim 1, characterized in that: the bottom of the protective cylinder (7) is provided with a dust accumulated water discharge groove (10).
6. A stay wire eddy current damper according to claim 1, characterized in that: the inner cavity of the box body (1) is rotatably connected with a guide wheel (11), and the surface of the guide wheel (11) is abutted against the surface of the inhaul cable (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220035678.3U CN217328263U (en) | 2022-01-08 | 2022-01-08 | Cable type eddy current damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220035678.3U CN217328263U (en) | 2022-01-08 | 2022-01-08 | Cable type eddy current damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328263U true CN217328263U (en) | 2022-08-30 |
Family
ID=82992086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220035678.3U Active CN217328263U (en) | 2022-01-08 | 2022-01-08 | Cable type eddy current damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328263U (en) |
-
2022
- 2022-01-08 CN CN202220035678.3U patent/CN217328263U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |