CN113417204A - Multistage damping support for bridge design - Google Patents
Multistage damping support for bridge design Download PDFInfo
- Publication number
- CN113417204A CN113417204A CN202110918871.1A CN202110918871A CN113417204A CN 113417204 A CN113417204 A CN 113417204A CN 202110918871 A CN202110918871 A CN 202110918871A CN 113417204 A CN113417204 A CN 113417204A
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- Prior art keywords
- sides
- damping
- hydraulic oil
- oil tank
- damping device
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a multi-stage damping support for bridge design, which comprises a base, wherein first damping devices are arranged on two sides in the base, a second damping device is arranged between the first damping devices on the two sides of the base, and the tops of the first damping devices and the second damping devices are connected with a connecting plate. According to the invention, through the arrangement of the first damping device and the second damping device, the first damping device and the second damping device are matched for use, so that the buffering and damping performances are improved, the effect of combined operation can be achieved, the practicability of the damping support is improved, meanwhile, through the multi-stage damping of two groups of the first damping device and the second damping device, the damping strength is improved, the bearing force is increased, and the bridge is better suitable for bridges.
Description
Technical Field
The invention belongs to the technical field of bridge supports, and particularly relates to a multistage damping support for bridge design.
Background
Bridge beam supports is the important structural component who connects bridge superstructure and substructure, be located between bridge and the stone pad, it can transmit the load that bridge superstructure bore and deformation reliably for the bridge substructure, be the important force transfer device of bridge, current bridge beam supports mostly has corresponding shock attenuation part, superstructure and substructure through shock attenuation part to the bridge cushion the processing, but current bridge beam shock attenuation support has reached basic operation performance, but still there is buffering and absorbing performance comparatively single, can't reach the effect of combination operation, the shock attenuation support practicality has been reduced, traditional buffering and absorbing intensity reduce simultaneously, the load is less, can't be better be applicable to the bridge, consequently, need improve to this.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aims to provide a multistage damping support for bridge design.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a multi-stage damping support for bridge design comprises a base, wherein first damping devices are arranged on two sides in the base, a second damping device is arranged between the first damping devices on the two sides of the base, and connecting plates are connected to the tops of the first damping devices and the second damping devices;
the first damping device comprises a movable plate, connecting columns are connected with two sides of the surface of the movable plate, the top of the connecting column is fixedly arranged at the bottom of the connecting plate, guide holes are arranged at the two sides of the movable plate, a guide rod is arranged in the guide hole, the upper side and the lower side of the guide rod are connected with limiting discs, the limiting discs on the upper side and the lower side are fixedly arranged in the base, the limiting disc on the lower side is connected with a first spring, the free end of the first spring is fixedly arranged at the bottom of the movable plate, the bottom of the limiting disc at the lower side is connected with a square block, the square block is connected with a second spring, the free end of the second spring is connected with a push block, the push block is provided with a stress inclined plane, the two sides of the bottom of the push block are hinged with rollers, the two sides of the bottom of the movable plate are connected with push columns, the push columns are located on the upper side of the stressed inclined plane, and the bottoms of the push columns are hinged with rollers;
the second damping device comprises a hydraulic oil tank, wherein first piston plates are connected to two sides inside the hydraulic oil tank, a pressing column is connected to each first piston plate, the top of the pressing column penetrates through the hydraulic oil tank and extends to the upper side of the hydraulic oil tank, the top of the pressing column is installed at the bottom of the connecting plate, third springs are connected to two sides of the hydraulic oil tank, the free end of each third spring is installed at the bottom of the connecting plate, a second piston plate is installed in the hydraulic oil tank, support rods are connected to two sides of the surface of each second piston plate, the tops of the support rods penetrate through the hydraulic oil tank and extend to the upper side of the hydraulic oil tank, a buffer plate is connected to the tops of the support rods, a fourth spring is connected to the surface of the buffer plate, a transverse plate is connected to the free end of the fourth spring, and the transverse plate is installed on the hydraulic oil tank.
Further inject, connecting plate bottom both sides are connected with supplementary damping device, supplementary damping device is including the shock attenuation post, the shock attenuation bottom of the column portion runs through the fly leaf and extends to its downside, the shock attenuation bottom of the column portion is equipped with the guide way, sliding connection has the shape of falling T seat in the guide way, the shape of falling T seat is connected with the fifth spring, the bottom at the shock attenuation post is installed to the free end of fifth spring. Such structural design has improved the effect of shock attenuation.
Further inject, the shape of falling T seat is equipped with the cushion chamber, install the bouncing ball in the cushion chamber, the bouncing ball top is connected with the clamp plate, the clamp plate is connected with the depression bar, the depression bar is installed in the guide way. Such structural design increases the shock attenuation effect and resets.
Further inject, the welding of both sides and the hydraulic tank junction of diaphragm has the reinforcement seat, be connected with the reinforcing vaulting pole between diaphragm and the hydraulic tank. The transverse plate is more fixedly installed due to the structural design.
Further limit, the joints of the hydraulic oil tank, the pressing columns and the support rods are provided with sealing lantern rings. The structural design has the effect of sealing.
Further limit, the joint of the movable plate and the push column is welded with a reinforcing rib. Such a structural design increases the strength of the connection.
Further, the roller and the idler wheel are made of rubber materials. The structural design makes the roller and the roller more durable.
Further inject, the base is provided with a chute, and the roller is slidably mounted in the chute. The structure design enables the push block to have a guiding effect when sliding.
Further limited, the surface of the stress inclined plane is provided with a protective sleeve. The structural design plays a role in protecting the stressed inclined plane.
The invention has the following advantages:
1. according to the invention, by arranging the first damping device, when a bridge is pressed by external force, the connecting plate is pressed downwards, the connecting plate pushes the connecting column downwards, the connecting column pushes the movable plate, the movable plate moves downwards along the guide rods on the two sides and simultaneously extrudes the first spring, so that the first spring is compressed and deformed, and simultaneously pushes the push column, the push column drives the roller to be close to the stress inclined plane on the push block, so that the roller pushes the push block downwards along the stress inclined plane, the push block drives the roller to move and extrudes the second spring, and a first-stage damping and buffering effect is achieved by the stress compression of the first spring and the second spring;
2. according to the invention, the second damping device is arranged, the pressing column is pushed downwards by the connecting plate, so that the connecting plate extrudes the third spring, the pressing column pushes the first piston plate downwards, the first piston plate pushes hydraulic oil in the hydraulic oil tank, the hydraulic oil moves towards the middle under the pushing force, so that the hydraulic oil pushes the second piston plate, the second piston plate pushes the support rod, the support rod pushes the buffer plate, the buffer plate pushes the fourth spring upwards, the fourth spring is stressed to deform, and the second damping device plays a second-stage damping buffering role through the stress compression of the third spring and the fourth spring;
3. according to the invention, through the arrangement of the first damping device and the second damping device, the first damping device and the second damping device are matched for use, so that the buffering and damping performances are improved, the effect of combined operation can be achieved, the practicability of the damping support is improved, meanwhile, through the multi-stage damping of two groups of the first damping device and the second damping device, the damping strength is improved, the bearing force is increased, and the bridge is better suitable for bridges.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of a multi-stage damping support for bridge design according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a first damping device of a multi-stage damping support for bridge design according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a second damping device of a multi-stage damping support for bridge design according to an embodiment of the present invention;
the main element symbols are as follows:
the damping device comprises a base 1, a first damping device 2, a second damping device 3, a connecting plate 4, a movable plate 5, a connecting column 6, a guide rod 7, a limiting disc 8, a first spring 9, a square block 10, a second spring 11, a push block 12, a stress inclined plane 13, a roller 14, a push column 15, a roller 16, a hydraulic oil tank 17, a first piston plate 18, a pressing column 19, a third spring 20, a second piston plate 21, a support rod 22, a buffer plate 23, a fourth spring 24, a transverse plate 25, an auxiliary damping device 26, a damping column 27, a guide groove 28, an inverted T-shaped seat 29, a fifth spring 30, a buffer cavity 31, an elastic ball 32, a pressing plate 33, a pressing rod 34, a reinforcing seat 35, a reinforcing support rod 36, a reinforcing rib 37 and a sliding groove 38.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3, in the multistage damping support for bridge design, first damping devices 2 are installed on two sides inside a base 1, a second damping device 3 is installed between the first damping devices 2 on two sides of the base 1, and the tops of the first damping devices 2 and the second damping devices 3 are connected with a connecting plate 4;
the first damping device 2 comprises a movable plate 5, connecting columns 6 are connected to two sides of the surface of the movable plate 5, the tops of the connecting columns 6 are fixedly installed at the bottom of a connecting plate 4, guide holes are formed in two sides of the movable plate 5, guide rods 7 are installed in the guide holes, limiting discs 8 are connected to the upper side and the lower side of the guide rods 7, the limiting discs 8 on the upper side and the lower side are fixedly installed in a base 1, first springs 9 are connected to the limiting discs 8 on the lower side, free ends of the first springs 9 are fixedly installed at the bottom of the movable plate 5, blocks 10 are connected to the bottom of the limiting discs 8 on the lower side, second springs 11 are connected to the blocks 10, pushing blocks 12 are connected to the free ends of the second springs 11, stress inclined planes 13 are arranged on the pushing blocks 12, rollers 14 are hinged to two sides of the bottom of the pushing blocks 12, pushing columns 15 are connected to two sides of the bottom of the movable plate 5, the pushing columns 15 are located on the upper sides of the stress inclined planes 13, and rollers 16 are hinged to the bottoms of the pushing columns 15;
the second damping device 3 comprises a hydraulic oil tank 17, two sides inside the hydraulic oil tank 17 are connected with first piston plates 18, the first piston plates 18 are connected with pressing columns 19, the tops of the pressing columns 19 penetrate through the hydraulic oil tank 17 and extend to the upper sides of the pressing columns, the tops of the pressing columns 19 are installed at the bottom of the connecting plate 4, two sides of the hydraulic oil tank 17 are connected with third springs 20, the free ends of the third springs 20 are installed at the bottom of the connecting plate 4, second piston plates 21 are installed in the hydraulic oil tank 17, two sides of the surface of each second piston plate 21 are connected with supporting rods 22, the tops of the supporting rods 22 penetrate through the hydraulic oil tank 17 and extend to the upper sides of the supporting rods, the tops of the supporting rods 22 are connected with buffer plates 23, the surfaces of the buffer plates 23 are connected with fourth springs 24, the free ends of the fourth springs 24.
In this embodiment, when the bridge is pressed by an external force, the base 1 is fixed, the first damping device 2 and the second damping device 3 are pressed downward, the connecting plate 4 pushes the connecting column 6 downward, the connecting column 6 pushes the movable plate 5, the movable plate 5 moves downward along the guide rods 7 on both sides, and simultaneously extrudes the first spring 9, so that the first spring 9 is compressed and deformed, the pushing column 15 is pushed, the pushing column 15 drives the roller 16 to approach the force-receiving inclined plane 13 on the pushing block 12, the roller 16 pushes the pushing block 12 downward along the force-receiving inclined plane 13, so that the pushing block 12 drives the roller 14 to move and extrude the second spring 11, meanwhile, the connecting plate 4 pushes the pressing column 19 downward, so that the connecting plate 4 extrudes the third spring 20, the pressing column 19 pushes the first piston plate 18 downward, the first piston plate 18 pushes the hydraulic oil in the hydraulic oil tank 17, make hydraulic oil receive thrust to middle removal to make hydraulic oil promote second piston plate 21, second piston plate 21 promotes vaulting pole 22, vaulting pole 22 promotes buffer plate 23, and buffer plate 23 upwards promotes fourth spring 24, makes fourth spring 24 atress produce the deformation, through the atress compression of first spring 9, second spring 11, third spring 20 and fourth spring 24, plays multistage shock attenuation cushioning effect, and can do the support that resets.
Preferably, the two sides of the bottom of the connecting plate 4 are connected with auxiliary damping devices 26, each auxiliary damping device 26 comprises a damping column 27, the bottom of each damping column 27 penetrates through the movable plate 5 and extends to the lower side of the corresponding movable plate, a guide groove 28 is formed in the bottom of each damping column 27, an inverted-T-shaped seat 29 is slidably connected in each guide groove 28, each inverted-T-shaped seat 29 is connected with a fifth spring 30, and the free end of each fifth spring 30 is installed at the bottom of each damping column 27. Such structural design has improved the effect of shock attenuation. In fact, other configurations of the auxiliary damping device 26 are also contemplated, as the case may be.
Preferably, the inverted T-shaped seat 29 is provided with a buffer chamber 31, an elastic ball 32 is arranged in the buffer chamber 31, the top of the elastic ball 32 is connected with a pressure plate 33, the pressure plate 33 is connected with a pressure rod 34, and the pressure rod 34 is arranged in the guide groove 28. Such structural design increases the shock attenuation effect and resets. In fact, other shock absorbing reset configurations may be used as the case may be.
Preferably, reinforcing seats 35 are welded at the joints of the two sides of the transverse plate 25 and the hydraulic oil tank 17, and reinforcing support rods 36 are connected between the transverse plate 25 and the hydraulic oil tank 17. This design makes the transverse plate 25 more fixedly mounted. In fact, other mounting configurations of the cross plate 25 are contemplated as the case may be.
Preferably, the joints of the hydraulic oil tank 17, the pressing column 19 and the stay 22 are provided with sealing collars. The structural design has the effect of sealing. In fact, other seal configurations of the hydraulic reservoir 17 may be used, as the case may be.
Preferably, reinforcing ribs 37 are welded at the joint of the movable plate 5 and the push column 15. Such a structural design increases the strength of the connection. In fact, other connecting structure shapes of the movable plate 5 and the push column 15 can be considered according to specific situations.
Preferably, the roller 14 and the roller 16 are made of rubber. This configuration makes the roller 14 and the roller 16 more durable. In fact, other configurations of the rollers 14 and 16 are contemplated as appropriate.
Preferably, the base 1 is provided with a chute 38, and the roller 14 is slidably mounted in the chute 38. The structure design has the guiding effect when the pushing block 12 slides. In fact, other configurations of the base 1 are also contemplated, as the case may be.
Preferably, the surface of the force bearing inclined plane 13 is provided with a protective sleeve. The structural design plays a role in protecting the stressed inclined plane 13. In fact, other structural shapes of the force-receiving inclined surface 13 can be considered according to specific situations.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a multistage damping support is used in bridge design which characterized in that: the damping device comprises a base (1), wherein first damping devices (2) are arranged on two sides in the base (1), a second damping device (3) is arranged between the first damping devices (2) on the two sides of the base (1), and connecting plates (4) are connected to the tops of the first damping devices (2) and the second damping devices (3);
the first damping device (2) comprises a movable plate (5), connecting columns (6) are connected to two sides of the surface of the movable plate (5), the top of each connecting column (6) is fixedly installed at the bottom of a connecting plate (4), guide holes are formed in two sides of the movable plate (5), guide rods (7) are installed in the guide holes, limiting discs (8) are connected to the upper sides and the lower sides of the guide rods (7), the upper limiting discs (8) and the lower limiting discs (8) are fixedly installed in a base (1), the lower limiting discs (8) are connected with first springs (9), free ends of the first springs (9) are fixedly installed at the bottom of the movable plate (5), blocks (10) are connected to the bottom of the limiting discs (8), the blocks (10) are connected with second springs (11), and free ends of the second springs (11) are connected with push blocks (12), the push block (12) is provided with a stress inclined plane (13), two sides of the bottom of the push block (12) are hinged with rollers (14), two sides of the bottom of the movable plate (5) are connected with push columns (15), the push columns (15) are located on the upper side of the stress inclined plane (13), and the bottom of the push columns (15) is hinged with rollers (16);
the second damping device (3) comprises a hydraulic oil tank (17), wherein first piston plates (18) are connected to two sides inside the hydraulic oil tank (17), a pressing column (19) is connected to the first piston plates (18), the top of the pressing column (19) penetrates through the hydraulic oil tank (17) and extends to the upper side of the hydraulic oil tank, the top of the pressing column (19) is installed at the bottom of the connecting plate (4), third springs (20) are connected to two sides of the hydraulic oil tank (17), the free ends of the third springs (20) are installed at the bottom of the connecting plate (4), second piston plates (21) are installed in the hydraulic oil tank (17), supporting rods (22) are connected to two sides of the surface of each second piston plate (21), the tops of the supporting rods (22) penetrate through the hydraulic oil tank (17) and extend to the upper side of the hydraulic oil tank, and buffer plates (23) are connected to the tops of the supporting rods (22), buffer board (23) surface connection has fourth spring (24), the free end of fourth spring (24) is connected with diaphragm (25), diaphragm (25) are installed on hydraulic tank (17).
2. The multi-stage damping support for bridge design according to claim 1, wherein: connecting plate (4) bottom both sides are connected with supplementary damping device (26), supplementary damping device (26) is including shock attenuation post (27), fly leaf (5) are run through and extend to its downside to shock attenuation post (27) bottom, shock attenuation post (27) bottom is equipped with guide way (28), sliding connection has the shape of falling T seat (29) in guide way (28), the shape of falling T seat (29) is connected with fifth spring (30), the bottom at shock attenuation post (27) is installed to the free end of fifth spring (30).
3. The multi-stage damping support for bridge design according to claim 2, wherein: inverted T shape seat (29) is equipped with cushion chamber (31), install bouncing ball (32) in cushion chamber (31), bouncing ball (32) top is connected with clamp plate (33), clamp plate (33) are connected with depression bar (34), depression bar (34) are installed in guide way (28).
4. The multi-stage damping support for bridge design according to claim 3, wherein: the welding of both sides and hydraulic tank (17) junction of diaphragm (25) has and strengthens seat (35), be connected with between diaphragm (25) and hydraulic tank (17) and strengthen vaulting pole (36).
5. The multi-stage damping support for bridge design according to claim 4, wherein: and sealing lantern rings are arranged at the joints of the hydraulic oil tank (17), the pressing column (19) and the support rod (22).
6. The multi-stage damping support for bridge design according to claim 5, wherein: reinforcing ribs (37) are welded at the joint of the movable plate (5) and the push column (15).
7. The multi-stage damping support for bridge design according to claim 6, wherein: the roller (14) and the roller (16) are made of rubber materials.
8. The multi-stage damping support for bridge design according to claim 7, wherein: the base (1) is provided with a sliding groove (38), and the roller (14) is slidably mounted in the sliding groove (38).
9. The multi-stage damping support for bridge design according to claim 8, wherein: the surface of the stress inclined plane (13) is provided with a protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918871.1A CN113417204A (en) | 2021-08-11 | 2021-08-11 | Multistage damping support for bridge design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918871.1A CN113417204A (en) | 2021-08-11 | 2021-08-11 | Multistage damping support for bridge design |
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| Publication Number | Publication Date |
|---|---|
| CN113417204A true CN113417204A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918871.1A Pending CN113417204A (en) | 2021-08-11 | 2021-08-11 | Multistage damping support for bridge design |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151506A (en) * | 2021-12-17 | 2022-03-08 | 广东新成科技实业有限公司 | Multipurpose damping and noise reducing device and damping and noise reducing method thereof |
| CN114635941A (en) * | 2022-02-25 | 2022-06-17 | 宁波帅元电声元件有限公司 | Multistage buffering formula bumper shock absorber support |
-
2021
- 2021-08-11 CN CN202110918871.1A patent/CN113417204A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151506A (en) * | 2021-12-17 | 2022-03-08 | 广东新成科技实业有限公司 | Multipurpose damping and noise reducing device and damping and noise reducing method thereof |
| CN114635941A (en) * | 2022-02-25 | 2022-06-17 | 宁波帅元电声元件有限公司 | Multistage buffering formula bumper shock absorber support |
| CN114635941B (en) * | 2022-02-25 | 2023-08-15 | 宁波帅元电声元件有限公司 | Multistage buffering formula bumper shock absorber support |
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