CN113864379A - Second grade bridge isolator based on metal rubber - Google Patents
Second grade bridge isolator based on metal rubber Download PDFInfo
- Publication number
- CN113864379A CN113864379A CN202111120546.7A CN202111120546A CN113864379A CN 113864379 A CN113864379 A CN 113864379A CN 202111120546 A CN202111120546 A CN 202111120546A CN 113864379 A CN113864379 A CN 113864379A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- upper cover
- cover plate
- metal rubber
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001967 Metal rubber Polymers 0.000 title claims abstract description 51
- 238000013016 damping Methods 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- 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
-
- 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
-
- 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
- F16F15/046—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 using combinations of springs of different kinds
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- 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)
- Vibration Prevention Devices (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of bridge vibration reduction, in particular to a metal rubber-based secondary bridge vibration isolator which comprises a bottom plate, wherein a push rod with the lower end supported on the bottom plate through vibration reduction metal rubber is arranged in the middle of the bottom plate, the upper part of the push rod is connected with the center of an upper cover plate and penetrates out of the upper cover plate, pre-tightening pin shafts are fixed on the periphery of the bottom plate at intervals, the pre-tightening pin shafts penetrate through the upper cover plate from bottom to top and are pre-tightened, and anti-impact structures positioned on the lower side of the upper cover plate are uniformly distributed on the bottom plate. The secondary bridge vibration isolator is convenient to be used for vibration isolation of the bottom of a bridge, and the problem that a damping part of a traditional bridge vibration isolator is easy to age is solved.
Description
Technical Field
The invention relates to the field of bridge vibration reduction, in particular to a secondary bridge vibration isolator based on metal rubber.
Background
In the field of vibration isolation, bridge vibration isolation is in a prominent position, when a bridge deck vehicle runs or a strong shock occurs, certain displacement can be generated between upper and lower structures of a bridge, and when the displacement exceeds a certain limit value, bridge collapse accidents can occur, so that personnel and property loss is caused. The vibration of bridge can arouse the damage of bridge structures, and then influences the security performance and the bridge service life of bridge, and the vibration isolation of bridge is also crucial to the traveling of bridge floor vehicle simultaneously, and the bridge vibration isolation can reduce jolting of bridge floor vehicle greatly, improves personnel's in the car travelling comfort.
The existing bridge vibration isolator is mainly a plate-type rubber vibration isolator, although the vibration isolator has high damping energy consumption performance, the bearing capacity is poor, meanwhile, the rubber performance is greatly influenced by the temperature, the continuous and effective damping energy consumption performance cannot be provided, the rubber is easy to age, and the maintenance cost of the vibration isolator is increased.
Disclosure of Invention
The invention aims to provide a metal rubber-based secondary bridge vibration isolator which is conveniently used for vibration isolation of the bottom of a bridge and solves the problem that a damping part of a traditional bridge vibration isolator is easy to age.
The technical scheme of the invention is as follows: a secondary bridge vibration isolator based on metal rubber comprises a bottom plate, wherein a push rod is arranged in the middle of the bottom plate, the lower end of the push rod is supported on the bottom plate through vibration reduction metal rubber, the upper portion of the push rod is connected with the center of an upper cover plate and penetrates out of the upper cover plate, pre-tightening pin shafts are fixed on the periphery of the bottom plate at intervals, the pre-tightening pin shafts penetrate through the upper cover plate from bottom to top and are pre-tightened, and anti-impact structures located on the lower side of the upper cover plate are evenly distributed on the bottom plate.
Furthermore, the push rod is of an inverted T shape, disc springs which are abutted to the push rod are evenly distributed on the periphery of the lower side of the push rod and located on the vibration reduction metal rubber, a cover cap is sleeved on the rod body of the push rod, and the cover cap is fixedly connected with the bottom plate.
Further, the periphery of the cover is fixedly connected with the bottom plate through bolts.
Furthermore, the anti-impact structure comprises high-damping metal rubber, a plate spring is buckled on the high-damping metal rubber, and two ends of the plate spring are fixedly connected with the bottom plate.
Furthermore, the front side and the rear side of the high-damping metal rubber on the bottom plate are respectively provided with a limiting stop strip, and two ends of the plate spring are fixedly connected with the bottom plate through fixing bolts.
Further, the impact-resistant structure is located on the lower side of the periphery of the upper cover plate, and a gap is formed between the top surface of the impact-resistant structure and the bottom surface of the upper cover plate.
Further, the push rod is in threaded connection with the center of the upper cover plate.
Furthermore, a bottom plate at the lower end of the pre-tightening pin shaft is welded, and the pre-tightening pin shaft penetrates through the upper cover plate and is pre-tightened by the pre-tightening nut.
Further, the upper cover plate is designed in a hollow mode.
Compared with the prior art, the invention has the following advantages:
(1) the secondary bridge vibration isolator adopts the high-damping metal rubber 5 and the plate spring 4 with high rigidity as main anti-impact elements, strengthens the low-frequency vibration isolation performance and the anti-impact performance, and is convenient for vibration isolation at the bottom of a bridge.
(2) Compared with the traditional bridge vibration isolator, the metal rubber material has the excellent characteristics of high temperature resistance, corrosion resistance and the like, so that the influence caused by the change of external environmental factors is greatly weakened, and the problem that the damping part of the traditional bridge vibration isolator is easy to age is solved; meanwhile, the service life of the vibration isolator is prolonged, the vibration isolation effect is enhanced, and the maintenance cost is greatly saved.
(3) The secondary bridge vibration isolator has two-stage functions, wherein the first-stage function is used for daily vibration attenuation and is formed by a plurality of groups of superposed disc springs 10 and vibration attenuation metal rubber 11 which are connected in parallel; the secondary function is used for resisting impact, is composed of the plate spring 4 and the high-damping metal rubber 5, can quickly absorb impact energy, ensures the stability of the structure, and can play a certain protection role on the primary vibration damping element while resisting impact, thereby overcoming the defect of poor impact resistance of the bridge vibration isolator.
(4) The height and the pretightening force of the secondary bridge vibration isolator can be flexibly adjusted through the pretightening pin shaft 2 and the pretightening bolt 3, so that the secondary bridge vibration isolator can adapt to different bridge models and different installation spaces, and the adaptability of the vibration isolator to bridge vibration isolators with different sizes is improved.
Drawings
FIG. 1 is an overall structural view of the secondary bridge vibration isolator of the present invention;
FIG. 2 is an overall structural view of the secondary bridge vibration isolator of the present invention;
FIG. 3 is a partial cross-sectional view of the damping of the present invention;
FIG. 4 is a top view of an impact resistant structure of the present invention;
in the figure: 1-upper cover plate 2-pre-tightening pin shaft 3-pre-tightening nut 4-plate spring 5-high damping metal rubber 6-fixing bolt 7-bottom plate 8-push rod 9-cover cap 10-disc spring 11-vibration reduction metal rubber 12-limit stop strip.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 4
The utility model provides a second grade bridge isolator based on metal rubber, includes bottom plate 7, the mid-mounting of bottom plate has the lower extreme to support push rod 8 on the bottom plate through damping metal rubber 11, the upper portion of push rod is connected and wears out the upper cover plate with the center of an upper cover plate 1, the week portion interval of bottom plate is fixed with pretension round pin axle 2, pretension round pin axle passes the upper cover plate from bottom to top and pretension, it has the anti impact structure who is located the upper cover plate downside still to the equipartition on the bottom plate.
In this embodiment, in order to realize the installation and positioning of the push rod, the push rod is in an inverted T shape, disc springs 10 abutting against the bottom surface of the push rod are uniformly distributed on the lower side of the push rod and on the periphery of the vibration-damping metal rubber, a cover cap 9 is sleeved on the rod body of the push rod, the lower end of the push rod, the disc springs and the vibration-damping metal rubber are covered by the cover cap, and the periphery of the cover cap is fixedly connected with the bottom plate through bolts. Meanwhile, the push rod is convenient to install.
In this embodiment, the push rod is connected with the center of the upper cover plate through a thread so as to complete the initial positioning of the upper cover plate. The upper cover plate is designed in a hollow mode, on one hand, the upper cover plate is designed for light weight, and on the other hand, the upper cover plate is convenient to observe the working state of the internal structure.
In this embodiment, in order to fix the pre-tightening pin shaft, a bottom plate of the lower end of the pre-tightening pin shaft is welded. The pre-tightening pin shaft penetrates through the upper cover plate and is in threaded connection with a pre-tightening nut 3, so that pre-tightening of the upper cover plate is achieved.
In this embodiment, in order to realize the impact resistance effect, the impact resistance structure includes high-damping metal rubber 5, a plate spring 4 is buckled on the high-damping metal rubber, and two ends of the plate spring are fixedly connected with the bottom plate through fixing bolts 6, so that the high-damping metal rubber is pressed through the plate spring.
In this embodiment, the front and rear sides of the high damping metal rubber on the bottom plate are provided with the limiting stop bars 12 to prevent the high damping metal rubber from generating lateral displacement.
In this embodiment, in order to ensure the stability of the overall structure during impact, prevent other vibration reduction elements from failing, and play a certain role in protection, the impact-resistant structures are uniformly distributed on the lower side of the periphery of the upper cover plate. Meanwhile, in order to have a certain moving space during impact, a gap is formed between the top surface of the impact-resistant structure and the bottom surface of the upper cover plate.
In this embodiment, in the use process, the radius sizes of the plate spring 4 and the high damping metal rubber 5 in the impact resistant layer are determined according to the actual weight and size of the bridge. The folding mode and the number of the disc springs 10 are also determined by the actual weight of the bridge.
During installation, the upper cover plate 1 and the push rod 9 are pre-tightened through the pre-tightening nut 3, the disc spring 10 and the vibration reduction metal rubber 11 are pre-tightened through the push rod 9, and the plate spring 4 and the high-damping metal rubber 5 are installed on the bottom plate 7 through the fixing bolt 6.
When the secondary bridge vibration isolator works daily, vibration is transmitted to the disc springs 10 connected in parallel through the push rods 9 to reduce vibration of the metal rubber 11. The damping metal rubber 11 mainly plays a damping role, the disc spring 10 mainly provides rigidity, the damping metal rubber and the disc spring have strong nonlinearity, and the rigidity and the damping characteristic change along with deformation.
When the bridge receives the impact, the distance of reserving between upper cover plate 1 and leaf spring 4 disappears originally, and the upper cover plate passes the impact force to leaf spring 4 and high damping metal rubber 5, and leaf spring 4 has big rigidity characteristic, and high damping metal rubber provides big damping, can absorb the energy of impact fast. Meanwhile, the plate springs 4 and the high-damping metal rubber 5 on the bottom plate 7 are uniformly distributed in the circumferential direction, so that the stability of the whole structure during impact can be ensured, other vibration reduction elements are prevented from losing efficacy, and a certain protection effect is achieved.
The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various types of secondary bridge vibration isolators based on metal rubber may be designed without inventive labor based on the teachings of the present invention, and all equivalent changes, modifications, substitutions and alterations made without departing from the spirit and scope of the present invention as defined by the appended claims should be construed as encompassing the present invention.
Claims (9)
1. The utility model provides a second grade bridge isolator based on metal rubber, includes the bottom plate, its characterized in that, the mid-mounting of bottom plate has the lower extreme to support the push rod on the bottom plate through damping metal rubber, the upper portion of push rod is connected with the center of an upper cover plate and wears out the upper cover plate, the week portion interval of bottom plate is fixed with the pretension round pin axle, pretension round pin axle passes the upper cover plate from bottom to top and pretension, it has the structure of shocking resistance that is located the upper cover plate downside still to distribute on the bottom plate.
2. The metal rubber-based secondary bridge vibration isolator of claim 1, wherein the push rod is of an inverted T shape, disc springs abutting against the push rod are evenly distributed on the lower side of the push rod and on the periphery of the vibration-damping metal rubber, a cover cap is sleeved on a rod body of the push rod, and the cover cap is fixedly connected with the bottom plate.
3. The metal-rubber-based secondary bridge vibration isolator of claim 2, wherein the periphery of the cover is fixedly connected with the bottom plate through bolts.
4. The metal rubber-based secondary bridge vibration isolator of claim 1, 2 or 3, wherein the impact-resistant structure comprises a high-damping metal rubber, a plate spring is buckled on the high-damping metal rubber, and two ends of the plate spring are fixedly connected with the bottom plate.
5. The metal rubber-based secondary bridge vibration isolator of claim 4, wherein the bottom plate is provided with limiting stop bars at the front side and the rear side of the high-damping metal rubber, and two ends of the plate spring are fixedly connected with the bottom plate through fixing bolts.
6. The metal-rubber based secondary bridge vibration isolator of claim 1 or 5, wherein the impact-resistant structure is located under the periphery of the upper cover plate, and a gap is provided between the top surface of the impact-resistant structure and the bottom surface of the upper cover plate.
7. The metal-rubber based secondary bridge vibration isolator of claim 1, 2 or 3, wherein the push rod is in threaded connection with the center of the upper cover plate.
8. The metal rubber-based secondary bridge vibration isolator of claim 1, 2 or 3, wherein the lower end bottom plate of the pre-tightening pin shaft is welded, and the pre-tightening pin shaft penetrates through the upper cover plate and is pre-tightened by the pre-tightening nut.
9. The metal-rubber-based secondary bridge vibration isolator of claim 1, wherein the upper cover plate is of a hollow design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111120546.7A CN113864379B (en) | 2021-09-24 | 2021-09-24 | Secondary bridge vibration isolator based on metal rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111120546.7A CN113864379B (en) | 2021-09-24 | 2021-09-24 | Secondary bridge vibration isolator based on metal rubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113864379A true CN113864379A (en) | 2021-12-31 |
| CN113864379B CN113864379B (en) | 2023-12-08 |
Family
ID=78993835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111120546.7A Active CN113864379B (en) | 2021-09-24 | 2021-09-24 | Secondary bridge vibration isolator based on metal rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113864379B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678807A (en) * | 2012-05-30 | 2012-09-19 | 哈尔滨工程大学 | Adjustable metal rubber three-way vibration damper |
| CN203488613U (en) * | 2013-10-12 | 2014-03-19 | 厦门嘉达声学技术有限公司 | Adjustable pre-load damping spring vibration isolator |
| CN104653694A (en) * | 2013-11-25 | 2015-05-27 | 浙江盾安机电科技有限公司 | Vibration reducer |
| CN107288031A (en) * | 2017-08-25 | 2017-10-24 | 夏修身 | A kind of highway bridge bearing |
| CN206988711U (en) * | 2017-07-20 | 2018-02-09 | 河北工业大学 | A kind of damping noise reduction lower margin |
| CN108442241A (en) * | 2018-04-28 | 2018-08-24 | 中国建筑股份有限公司 | A kind of panel metal rubber support and its construction method |
| CN208202201U (en) * | 2018-05-01 | 2018-12-07 | 衡水铭科新材料科技有限公司 | A kind of building shock isolating pedestal |
| CN110792030A (en) * | 2019-11-28 | 2020-02-14 | 福州大学 | Bridge shock absorber based on metal rubber and working method thereof |
| CN210600002U (en) * | 2019-09-29 | 2020-05-22 | 扬州恒力碟形弹簧制造有限公司 | Disc spring buffering shock absorber |
| CN113417958A (en) * | 2021-06-25 | 2021-09-21 | 沈阳天贺新材料开发有限公司 | Nickel-titanium shape memory alloy vibration reduction and isolation device |
-
2021
- 2021-09-24 CN CN202111120546.7A patent/CN113864379B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678807A (en) * | 2012-05-30 | 2012-09-19 | 哈尔滨工程大学 | Adjustable metal rubber three-way vibration damper |
| CN203488613U (en) * | 2013-10-12 | 2014-03-19 | 厦门嘉达声学技术有限公司 | Adjustable pre-load damping spring vibration isolator |
| CN104653694A (en) * | 2013-11-25 | 2015-05-27 | 浙江盾安机电科技有限公司 | Vibration reducer |
| CN206988711U (en) * | 2017-07-20 | 2018-02-09 | 河北工业大学 | A kind of damping noise reduction lower margin |
| CN107288031A (en) * | 2017-08-25 | 2017-10-24 | 夏修身 | A kind of highway bridge bearing |
| CN108442241A (en) * | 2018-04-28 | 2018-08-24 | 中国建筑股份有限公司 | A kind of panel metal rubber support and its construction method |
| CN208202201U (en) * | 2018-05-01 | 2018-12-07 | 衡水铭科新材料科技有限公司 | A kind of building shock isolating pedestal |
| CN210600002U (en) * | 2019-09-29 | 2020-05-22 | 扬州恒力碟形弹簧制造有限公司 | Disc spring buffering shock absorber |
| CN110792030A (en) * | 2019-11-28 | 2020-02-14 | 福州大学 | Bridge shock absorber based on metal rubber and working method thereof |
| CN113417958A (en) * | 2021-06-25 | 2021-09-21 | 沈阳天贺新材料开发有限公司 | Nickel-titanium shape memory alloy vibration reduction and isolation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113864379B (en) | 2023-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5114178A (en) | Suspension apparatus | |
| EP3019359B1 (en) | Vehicle suspension and leaf spring for such a suspension | |
| EP2809532B1 (en) | Vehicle suspension comprising light weight leaf spring assembly | |
| CN201183440Y (en) | Cargo vehicle variable hardness rubber balance suspension apparatus | |
| CN201086615Y (en) | Breaking type balancing suspension rack and heavy-duty truck with the same | |
| CN202016475U (en) | V-shaped spring damping limiter | |
| CN202656821U (en) | Elastomer assembly used for shock absorption of rear suspension of heavy truck | |
| CN113864379A (en) | Second grade bridge isolator based on metal rubber | |
| CN207416467U (en) | A kind of air suspension device of semi-trailer | |
| CN106994981B (en) | Central suspension device and railway wagon bogie | |
| CN201193670Y (en) | Plate spring pad | |
| CN203238538U (en) | Flat spring plate type rubber expansion joint | |
| CN104002633B (en) | Single-point suspension | |
| CN101328945B (en) | Auxiliary rubber metal stacking spring for truck and mounting method thereof | |
| CN202827029U (en) | Commercial vehicle vibration reducing steel plate spring | |
| KR20130142618A (en) | Center liner of leaf spring assembly | |
| KR101506550B1 (en) | Embossing silencer for leaf spring | |
| CN203272566U (en) | Metal rubber support shock absorption device | |
| CN202192957U (en) | Self-limiting rubber support assembly | |
| CN212861315U (en) | Automobile base support | |
| CN214984808U (en) | Dismantle convenient car oil tank shock pad | |
| CN219246820U (en) | Anti-collision device for power battery of electric automobile | |
| CN218345983U (en) | Deceleration strip shock-absorbing structure | |
| CN220180501U (en) | Auxiliary spring limiting support assembly, damping mechanism and automobile | |
| CN203902194U (en) | Single-point hanging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |