CN106500062B - Vibration damper and lamp - Google Patents
Vibration damper and lamp Download PDFInfo
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- CN106500062B CN106500062B CN201510567568.6A CN201510567568A CN106500062B CN 106500062 B CN106500062 B CN 106500062B CN 201510567568 A CN201510567568 A CN 201510567568A CN 106500062 B CN106500062 B CN 106500062B
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- vibration damping
- damping device
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- vibration
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- 238000013016 damping Methods 0.000 claims abstract description 66
- 239000000835 fiber Substances 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/04—Resilient mountings, e.g. shock absorbers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration damping device which comprises a vibration damping rod and an elastic pad, wherein the vibration damping rod comprises a first connecting part, a middle part and a second connecting part which are formed by enclosing a plurality of fiber bundle tubes, and the first connecting part, the middle part and the second connecting part are coaxial; the elastic cushion is sleeved on the middle part and comprises a first elastic end face, the first elastic end face is attached to the first connecting portion, and the second connecting portion is used for mounting the lamp. The vibration damping device provided by the invention is composed of the elastic cushion and the structure of the middle part formed by enclosing the fiber bundle tubes, so that when the vibration damping device is subjected to vibration from the outside, the elastic cushion absorbs longitudinal vibration energy, and the fiber bundle tubes are displaced in the horizontal direction and act with the elastic cushion sleeved on the fiber bundle tubes to damp transverse vibration, thereby improving the vibration resistance of the vibration damping lamp. The invention also provides a lamp.
Description
Technical Field
The invention relates to the field of lamps, in particular to a vibration damper and a lamp.
Background
The lamp can vibrate violently in strong vibration places such as large electric shovels, stamping equipment, mining equipment, hoisting equipment, port equipment and the like, and the lamp is required to have better vibration resistance in order to ensure the safety during operation.
As shown in fig. 1, a vibration damping lamp in the prior art generally includes a vibration damping device and a lamp body mounted on the vibration damping device, the vibration damping device includes two layers of rubber pads 1 and a T-shaped connecting bracket 2 sandwiched between the two layers of rubber pads, a protrusion of the T-shaped connecting bracket penetrates through one of the two layers of rubber pads 1, and the lamp body is mounted on the protrusion of the T-shaped connecting bracket. When the vibration reduction lamp is used in a strong vibration place with large displacement, the inventor finds that the vibration reduction device can only absorb vibration energy generated in the longitudinal direction of the lamp through the rubber pad 1 and cannot reduce vibration of the lamp in the transverse direction, faults of a lamp light source, a lamp holder and the like are not reduced, the requirements of a customer on-site vibration cannot be met, and meanwhile, a lamp support can be broken under the condition of severe vibration, the vibration resistance performance of the lamp support is poor, and therefore large potential safety hazards are brought.
Disclosure of Invention
The invention aims to provide a vibration damping device with better vibration resistance.
In order to solve the technical problem, the invention provides a vibration damping device which comprises a vibration damping rod and an elastic pad, wherein the vibration damping rod comprises a first connecting part, a middle part and a second connecting part which are formed by enclosing a plurality of fiber bundle tubes, and the first connecting part, the middle part and the second connecting part are coaxial; the elastic cushion is sleeved on the middle part and comprises a first elastic end face, the first elastic end face is attached to the first connecting part, and the second connecting part is used for mounting a lamp.
The first connecting portion comprises a first stud and a first annular bulge, the first stud is coaxially connected to the middle portion, the first annular bulge is arranged on the circumferential surface of the connecting portion of the first stud and the middle portion in a protruding mode, the first annular bulge comprises a bearing end face, and the bearing end face is used for bearing the elastic pad.
Wherein the first annular protrusion is a polygonal column.
The second connecting part comprises a second stud and a second annular bulge, the second stud is coaxially connected to the middle part, the second annular bulge is arranged on the circumferential surface of the joint of the second stud and the middle part in a protruding mode, and the elastic pad is clamped between the second annular bulge and the first annular bulge.
The first stud and the first annular bulge are integrally formed, the second stud and the second annular bulge are integrally formed, the elastic pad is provided with a head end and a tail end along the circumferential direction of the elastic pad, and a gap is formed between the head end and the tail end to form a notch.
The inner hole of the elastic pad is a step hole, the inner hole comprises a large hole, a small hole and a step surface, the middle part of the elastic pad is positioned in the small hole, and the second annular bulge is positioned in the large hole and tightly attached to the step surface.
Wherein the damper rod further includes a plurality of balls provided in the elastic pad.
Wherein the ratio of the inner diameter to the length of the fiber bundle tube is 0.008-0.033.
Wherein, the material of elastic pad is rubber.
The invention also provides a lamp which comprises a bracket and the vibration damper, wherein the bracket is sleeved on the second connecting part.
The vibration damping device provided by the invention is composed of the elastic cushion and the structure of the middle part formed by enclosing the fiber bundle tubes, so that when the vibration damping device is subjected to vibration from the outside, the elastic cushion absorbs longitudinal vibration energy, and the fiber bundle tubes are displaced in the horizontal direction and act with the elastic cushion sleeved on the fiber bundle tubes to damp transverse vibration, thereby improving the vibration resistance of the vibration damping lamp.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used 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 it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of a prior art damping device;
fig. 2 is a schematic view of a vibration damping device provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a damper rod of the damper device of FIG. 2;
FIG. 4 is a schematic view of the elastomeric pad of the vibration damping device of FIG. 2;
FIG. 5 is a schematic view of the cushion mounted ball of the vibration damping device of FIG. 4;
FIG. 6 is a schematic view of a lamp with a damping device according to an embodiment of the present invention
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 2 to 3, in a damping device 1 and a lamp 100 provided in embodiment 1 of the present invention, the damping device 1 includes a damping rod 10 and an elastic pad 20, the damping rod 10 includes a first connection portion 11, a middle portion 12 and a second connection portion 13, which are formed by enclosing a plurality of fiber bundle tubes 121, and the first connection portion 11, the middle portion 12 and the second connection portion 13 are coaxial; the elastic pad 20 is sleeved on the middle portion 12, the elastic pad 20 includes a first elastic end surface 20a, the first elastic end surface 20a is attached to the first connecting portion 11, and the second connecting portion 13 is used for mounting the lamp 100.
Due to the structure of the elastic pad 20 and the middle portion 12 formed by enclosing the plurality of fiber bundle tubes 121, when the vibration damping device 1 is subjected to vibration from the outside, the elastic pad 20 absorbs longitudinal vibration energy, and the plurality of fiber bundle tubes 121 are displaced in the horizontal direction and act on the elastic pad 20 sleeved on the fiber bundle tubes to damp transverse vibration, so that the vibration resistance of the vibration damping lamp 100 is improved.
In this embodiment, the first connecting portion 11 is made of metal, the first connecting portion 11 is disposed opposite to a first upper end 111 and a second lower end 112, and the second lower end 112 is used for mounting the vibration damping device 1 on a mounting surface (for example, a wall or a ground) to fix the vibration damping device 1; the first upper end 111 is connected to the middle portion 12 and carries the elastic pad 20, that is, the diameter of the first upper end 111 is larger than that of the middle portion 12, and a step surface 201c is formed at the connection position with the middle portion 12, so that the elastic pad 20 is carried on the first upper end 111.
In this embodiment, the plurality of fiber bundle tubes 121 are bundled together in a cylindrical-like configuration to form the central portion 12. When the middle portion 12 is subjected to external vibration, the plurality of fiber bundle tubes 121 are shaken and bent, and thus are displaced in the horizontal direction.
In this embodiment, the second connecting portion 13 is made of metal, the second connecting portion 13 includes a second upper end 131 and a second lower end 132, which are oppositely disposed, the second upper end 131 is used for mounting the lamp 100, so as to fix the lamp 100 on the vibration damping device 1, and the second lower end 132 is connected to the middle portion 12. The middle portion 12 has two ends respectively connected to the first upper end 111 and the second lower end 132.
In this embodiment, referring to fig. 4, the elastic pad 20 includes a first elastic end surface 20a and a second elastic end surface 20b that are oppositely disposed, the first elastic end surface 20a is provided with an inner hole 201, the elastic pad 20 is tightly sleeved on the middle portion 12 through the inner hole 201, and the elastic pad 20 is tightly attached to the first upper end 111, when the vibration damping device 1 is subjected to external vibration, the elastic pad 20 is in a compressed state, and is subjected to a longitudinal external force to generate a reaction force to damp longitudinal vibration, the fiber tube bundles are bent and shaken, and a peripheral surface of the middle portion 12 formed by enclosing the fiber tube bundles is tightly attached to the inner hole 201 of the elastic pad 20, and a horizontal reaction force is generated to damp horizontal vibration.
For further improvement, the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.008 to 0.033.
In this embodiment, the inner diameter of the fiber bundle tube 121 is 0.15mm, and the length of the fiber bundle tube 121 is 12 mm; the ratio of the inner diameter to the length of the fiber bundle tube 121 was 0.0125. The inventor finds through a large number of experiments that the structure of the vibration damping device 1 can be more optimized and the vibration damping performance of the vibration damping device 1 can be improved by setting the inner diameter of the fiber bundle tube 121 to be 0.15mm and the length of the fiber bundle tube 121 to be 12mm so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.0125. Specifically, when the inner diameter of the fiber bundle tube 121 is 0.15mm and the length of the fiber bundle tube 121 is 12mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.0125, the acceleration of the resonance point is reduced from 11g to 7g, the vibration is reduced by 36%, and a better anti-vibration effect is achieved.
Compared with the vibration resistance of the vibration damping device 1 in the present embodiment, the vibration damping device in the prior art has a significantly poor vibration resistance effect, specifically: the rubber thickness in the prior art damping device was 12mm and the speed at the resonance point was reduced from 11g to 9.5 g.
As can be seen from the above comparison, the vibration damping device 1 of the present embodiment has significantly better vibration damping performance than the prior art. Of course, in other embodiments, when the inner diameter of the fiber bundle tube 121 is 0.1mm and the length of the fiber bundle tube 121 is 10mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.01, the acceleration of the resonance point thereof is reduced from 11g to 9g and the vibration is reduced by 18%; when the inner diameter of the fiber bundle tube 121 is 0.16mm and the length of the fiber bundle tube 121 is 20mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.008, the acceleration of the resonance point thereof is reduced from 11g to 8g, and the vibration is reduced by 27%; when the inner diameter of the fiber bundle tube 121 is 0.18mm and the length of the fiber bundle tube 121 is 15mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.012, the acceleration of the resonance point is reduced from 11g to 8g, and the vibration is reduced by 27%; when the inner diameter of the fiber bundle tube 121 is 0.2mm and the length of the fiber bundle tube 121 is 6mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.033, the acceleration of the resonance point thereof is reduced from 11g to 9g, and the vibration is reduced by 18%; when the inner diameter of the fiber bundle tube 121 is 0.12mm and the length of the fiber bundle tube 121 is 10mm, so that the ratio of the inner diameter to the length of the fiber bundle tube 121 is 0.012, the acceleration of the resonance point thereof is reduced from 11g to 9g, and the vibration is reduced by 9%.
For further improvement, the first connecting portion 11 includes a first stud 11a and a first annular protrusion 11b, the first stud 11a is coaxially connected to the middle portion 12, the first annular protrusion 11b is protruded from a peripheral surface of a connection portion of the first stud 11a and the middle portion 12, and the second annular protrusion 112 includes a bearing end surface for bearing the elastic pad 20.
By adopting the structure that the first connecting part 11 is provided with the first stud 11a and the first annular protrusion 11b, the first connecting part 11 can be connected to a mounting surface through threads, so that the mounting is convenient.
In this embodiment, the first annular protrusion 11b is protruded from the peripheral surface of the connection portion of the first stud 11a to form the first upper end 111. The bearing end face is the end face of the first upper end 111. When the elastic pad 20 is sleeved on the middle portion 12, the first elastic end surface 20a of the elastic pad 20 is attached to the first upper end 111 to provide a reaction force when the elastic pad 20 receives an external force, so as to slow down the longitudinal vibration of the vibration damping device 1. Of course, in other embodiments, the first connecting portion 11 may also be a structure in which an annular protrusion is disposed at one end of the screw rod close to the elastic pad 20.
For further improvement, the first annular projection 11b is a polygonal column.
By defining the first annular protrusion 11b as a polygonal prism, the assembling person can hold the first annular protrusion 11b to perform rotation and the like, that is, the friction between the hand and the first annular protrusion 11b is increased.
In this embodiment, the first annular protrusion 11b is a hexagonal prism. When the elastic pad 20 needs to be sleeved on the damping rod 10, the first annular protrusion 11b is held by hand to fix the damping rod 10, so that the elastic pad 20 can be smoothly sleeved on the middle portion 12 of the damping rod 10. Of course, in other embodiments, the first annular protrusion 11b may also be a quadrangular prism, an octagonal prism, or the like.
For further improvement, the second connecting portion 13 includes a second stud 13a and a second annular protrusion 13b, the second stud 13a is coaxially connected to the middle portion 12, the second annular protrusion 13b is protruded from a peripheral surface of a connection portion between the second stud 13a and the middle portion 12, and the elastic pad 20 is clamped between the second annular protrusion 13b and the first annular protrusion 11 b.
The second connecting part 13 and the lamp 100 can be connected together by screw threads by arranging the second connecting part 13 into a structure of a second stud 13a and a second annular protrusion 13b, so that the installation is simple; and the second stud 13a is provided with a second annular protrusion 13b, so that when the elastic pad 20 is sleeved on the middle portion 12, the elastic pad 20 can be clamped between the second annular protrusion 13b and the first annular protrusion 11b to be in a compressed state, and further when the elastic pad 20 receives a longitudinal force, a reaction force can be generated to counteract the longitudinal external force to reduce the vibration received by the vibration damping device 1.
In this embodiment, the second annular protrusion 13b is protruded from the periphery of the connection between the second stud 13a and the middle portion 12 to form the second lower end 132. The second annular projection 13b is a cylindrical projection. When the elastic pad 20 is sleeved on the middle portion 12, the elastic pad 20 is located between the second annular protrusion 13b and the first annular protrusion 11b, and the second stud 13a is in threaded connection with the lamp 100. Of course, in other embodiments, the second connection portion 13 may also be a stud, and when the lamp 100 is mounted on the second connection portion 13, the lamp 100 is attached to the second elastic end surface 20b of the elastic pad 20; the second connecting portion 13 may also be a structure provided with an annular protrusion on the screw rod.
For further improvement, the first stud 11a is integrally formed with the first annular protrusion 11b, the second stud 13a is integrally formed with the second annular protrusion 13b, the elastic pad 20 is provided with a head end 202a and a tail end 202b along the circumferential direction thereof, and a gap forming notch 202 is provided between the head end 202a and the tail end 202 b.
The installation of the damper rod 10 is facilitated by the structure in which the first stud 11a is integrally formed with the first annular protrusion 11b, and the second stud 13a is integrally formed with the second annular protrusion 13 b.
In this embodiment, the first annular protrusion 11b is protruded from the first upper end 111 formed on the peripheral surface of the connection portion of the first stud 11a and the middle portion 12, and the second annular protrusion 13b is protruded from the second lower end 132 formed on the peripheral surface of the connection portion of the second stud 13a and the middle portion 12, and is connected to both sides of the middle portion 12 by welding. As can be seen from the above description, the damping rod 10 is an integrally formed structure, so that when the elastic pad 20 is mounted on the damping rod 10, the head end 202a and the tail end 202b of the elastic pad 20 are pulled apart and pass through the middle portion 12, so that the inner hole 201 of the elastic pad 20 is tightly attached to the peripheral surface of the middle portion 12. Of course, in other embodiments, the first annular protrusion 11b and the first stud 11a may also be detachable structures, for example, the first annular protrusion 11b is screwed on the first stud 11 a; the second stud 13a and the second annular protrusion 13b may also be detachable structures; when the first stud 11a and the first annular protrusion 11b are detachable structures, and the second stud 13a and the second annular protrusion 13b are detachable structures, the outer peripheral surface of the elastic pad 20 is a complete cylindrical surface, that is, the elastic pad 20 is not provided with the notch 202, when being installed, the elastic pad 20 only needs to pass through the first connecting portion 11 first until being sleeved on the middle portion 12, and then the first annular protrusion 11b of the first connecting portion 11 is screwed on the first upper end 111.
For further improvement, the elastic pad 20 is made of rubber.
In this embodiment, the elastic pad 20 is made of a rubber material with better elastic performance, so as to ensure that the vibration damping device 1 has better vibration resistance. Of course, in other embodiments, the material of the elastic pad 20 may also be silicone.
For further improvement, the inner hole 201 of the elastic pad 20 is a stepped hole, the inner hole 201 includes a large hole 201a, a small hole 201b and a stepped surface 201c, the middle portion 12 is located in the small hole 201b, and the second annular protrusion 13b is located in the large hole 201a and tightly attached to the stepped surface 201 c.
By arranging the inner hole 201 of the elastic pad 20 as a stepped hole structure, when the lamp 100 is mounted on the second connecting portion 13, the lamp 100 can directly attach to the second elastic end face 20b of the elastic pad 20, and the vibration of the lamp 100 can be absorbed in time.
In this embodiment, the size of the large hole 201a matches the size of the second annular protrusion 13b, and the size of the small hole 201b matches the size of the middle portion 12. Of course, in other embodiments, the inner hole 201 of the elastic pad 20 may also be a through hole, and the size of the through hole matches with the size of the middle portion 12, that is, the second elastic end surface 20b is a flat plane, and the second annular protrusion 13b abuts against the second elastic end surface 20 b.
For further improvement, referring to fig. 5, the damping rod 10 further includes a plurality of balls 14, and the plurality of balls 14 are disposed in the elastic pad 20.
Through set up a plurality of balls 14 in the cushion 20 for when damping device 1 receives the vibration, a plurality of balls 14 can with cushion 20 interact slows down the vibration in all directions, and then improves damping device 1's anti vibration performance.
Referring to fig. 6, an embodiment of the invention further provides a lamp 100 having the vibration damping device 1, where the lamp 100 includes a bracket 2 and the vibration damping device 1, and the bracket 2 is sleeved on the second connecting portion 13.
In this embodiment, the bracket 2 is a U-shaped frame, the bracket 2 is provided with a mounting hole 2a, and the bracket 2 passes through the second connecting hole in the second connecting portion 13 through the mounting hole 2a, i.e. the bottom end of the bracket 2 is attached to the elastic pad 20.
When the lamp 100 starts to be installed, the elastic pad 20 is firstly sleeved on the middle portion 12: the head end 202a and the tail end 202b of the elastic cushion 20 are pulled apart and pass through the middle part 12, so that the inner hole 201 of the elastic cushion 20 is tightly attached to the peripheral surface of the middle part 12; then, the mounting hole 2a of the bracket 2 is inserted through the second stud 13a of the second connecting portion 13 until the end surface of the bracket 2 abuts against the second elastic end surface 20b of the elastic pad 20, so that when vibration is applied to the bracket 2, the vibration applied to the bracket 2 is transmitted to the elastic pad 20 in time, the elastic pad 20 longitudinally reduces the vibration through the rubber material of the elastic pad, and the fiber bundle tube 121 of the middle portion 12 is displaced in the horizontal direction to interact with the elastic pad 20 to absorb the vibration in the horizontal direction, thereby damping the vibration of the lamp 100.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A vibration damping device is characterized by comprising a vibration damping rod and an elastic pad, wherein the vibration damping rod comprises a first connecting part, a middle part and a second connecting part which are formed by enclosing a plurality of fiber bundle tubes, and the first connecting part, the middle part and the second connecting part are coaxial; the elastic cushion is sleeved on the middle part and comprises a first elastic end face, the first elastic end face is attached to the first connecting part, and the second connecting part is used for mounting a lamp.
2. The vibration damping device according to claim 1, wherein the first connecting portion comprises a first stud and a first annular protrusion, the first stud is coaxially connected to the middle portion, the first annular protrusion is protruded from a peripheral surface of a connection portion of the first stud and the middle portion, the first annular protrusion comprises a bearing end surface, and the bearing end surface is used for bearing the elastic pad.
3. The vibration damping device of claim 2 wherein the first annular protrusion is a polygonal prism.
4. The vibration damping device according to claim 3, wherein the second connecting portion includes a second stud coaxially connected to the middle portion and a second annular protrusion protruding from a circumferential surface of a connection between the second stud and the middle portion, and the elastic pad is clamped between the second annular protrusion and the first annular protrusion.
5. The vibration damping device according to claim 4, wherein the first stud is formed integrally with the first annular protrusion, the second stud is formed integrally with the second annular protrusion, and the elastic pad is provided with a head end and a tail end along a circumferential direction thereof with a gap forming a notch therebetween.
6. The vibration damping device according to claim 5, wherein the inner hole of the elastic pad is a stepped hole, the inner hole comprises a large hole, a small hole and a stepped surface, the middle portion is located in the small hole, and the second annular protrusion is located in the large hole and clings to the stepped surface.
7. The vibration damping device of claim 6 further comprising a plurality of balls disposed in the resilient pad.
8. The vibration damping device according to claim 7, wherein the fiber bundle tube has a ratio of an inner diameter to a length of 0.008 to 0.033.
9. The vibration damping device according to claim 1, wherein the elastic pad is made of rubber.
10. A lamp comprising a bracket and the damping device as claimed in any one of claims 1 to 9, wherein the bracket is sleeved on the second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567568.6A CN106500062B (en) | 2015-09-08 | 2015-09-08 | Vibration damper and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567568.6A CN106500062B (en) | 2015-09-08 | 2015-09-08 | Vibration damper and lamp |
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| Publication Number | Publication Date |
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| CN106500062A CN106500062A (en) | 2017-03-15 |
| CN106500062B true CN106500062B (en) | 2020-01-17 |
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| CN201510567568.6A Active CN106500062B (en) | 2015-09-08 | 2015-09-08 | Vibration damper and lamp |
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| GB402596A (en) * | 1932-12-03 | 1933-12-07 | British Thomson Houston Co Ltd | Improvements in and relating to lamp supporting devices |
| CN201170504Y (en) * | 2008-03-31 | 2008-12-24 | 南通中铁华宇电气有限公司 | Shock-absorbing device for high-speed railway or highway tunnel lamp |
| CN101871624B (en) * | 2009-04-23 | 2012-03-28 | 海洋王照明科技股份有限公司 | Vibration absorption lamp |
| CN101769510B (en) * | 2009-10-19 | 2012-06-27 | 海洋王照明科技股份有限公司 | Lamp shock absorber |
| CN101713519A (en) * | 2009-11-23 | 2010-05-26 | 海洋王照明科技股份有限公司 | Shock absorber and lamp with same |
| CN101737733B (en) * | 2009-12-21 | 2012-03-14 | 海洋王照明科技股份有限公司 | Vibration damper and lamp using same |
| CN101718419B (en) * | 2009-12-25 | 2013-03-06 | 海洋王照明科技股份有限公司 | Lamp |
| CN101813299B (en) * | 2010-04-28 | 2013-03-06 | 海洋王照明科技股份有限公司 | Shock absorber and lamp using same |
| CN101806331B (en) * | 2010-04-28 | 2014-03-12 | 海洋王照明科技股份有限公司 | Shock absorber and lamp using same |
| CN101886788B (en) * | 2010-06-29 | 2013-04-17 | 海洋王照明科技股份有限公司 | Lamp vibration damper |
| CN103162243B (en) * | 2011-12-15 | 2016-01-20 | 海洋王照明科技股份有限公司 | Light fixture anti-rattler and the light fixture containing this light fixture anti-rattler |
| CN103363463A (en) * | 2012-03-27 | 2013-10-23 | 海洋王（东莞）照明科技有限公司 | Damping device for lamp |
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| 机床减振垫铁的研究与应用;骆正龙;《生产现场》;20090520(第5期);第54-56页 * |
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