CN104315076A - Self-adapting variable-damping hydraulic pressure rubber vibration isolation device for automobile suspension - Google Patents
Self-adapting variable-damping hydraulic pressure rubber vibration isolation device for automobile suspension Download PDFInfo
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- CN104315076A CN104315076A CN201410465981.7A CN201410465981A CN104315076A CN 104315076 A CN104315076 A CN 104315076A CN 201410465981 A CN201410465981 A CN 201410465981A CN 104315076 A CN104315076 A CN 104315076A
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- Prior art keywords
- slider
- vibration isolation
- isolation device
- hydraulic
- damping force
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Classifications
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a self-adapting variable-damping hydraulic pressure rubber vibration isolation device for an automobile suspension. The vibration isolation device comprises an inner pipe, an outer pipe, a rubber body arranged between the inner pipe and the outer pipe, a separation device arranged between the inner pipe and the rubber body, wherein damping adjustment components which are used for adjusting damping force according to pressure are respectively arranged at a communicating end of a fluid flow passage of an isolator I and a hydraulic pressure working chamber, and at a communicating end of a fluid flow passage of an isolator II and a hydraulic pressure working chamber II; the damping adjustment components are arranged, under the working conditions of high frequency and small amplitude, a spring is not compressed or rarely compressed, and damping fluid flows into the fluid flow passages from the outer side of a plunger, so that the requirements for vibration reduction and noise reduction with low rigidity and small damping are satisfied; under the working conditions of low frequency and large amplitude, the inner diameter of a fluid through hole is far smaller than the hole diameter of the fluid flow passages, so that the pressure is increased, and the fluid hole diameter is decreased; therefore, at this moment, the damping force is greatly improved. Compared with an existing rubber lining, the vibration isolation device disclosed by the invention can completely satisfy the requirements of vibration reduction and noise reduction with high rigidity and high damping under the working conditions of low frequency and large amplitude.
Description
Technical field
The present invention relates to automotive suspension vibration damping field, particularly a kind of automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device.
Background technique
In the automotive industry production process of present stage, for significantly reducing automobile chassis vibration when driving, how the connection of chassis and suspension become and flexibly connect, wherein, topmost flexible connection mode is arrange rubber bushing by the end attachment at sprung parts.Radial mode hydraulic bushing is the one of rubber bushing, by arranging two hydraulic pressure cavity diametrically arranged that fluid passage is connected, when producing radial impact load or vibrations, damping mucus circulates and produces damping force, to reach the object of vibration insulation and noise reduction in two hydraulic pressure cavity.
But the fluid passage existing radial mode hydraulic bushing being communicated with two hydraulic pressure cavity is generally arranged in rubber body, not only easily be out of shape with the compression of rubber body when being subject to radial impact load, cause damping not smooth, even lose damping, and the damping that the fluid passage of prior art produces is immutable, damping hole size is fixed, under the operating mode of different impact, damping is different from change, and adaptability is not good.
Therefore, need to improve existing radial mode hydraulic bushing, its fluid passage is made to keep steady-working state, can not have an impact to damping because of rubber body distortion, and, can with the difference of radial impact load, at various pressures, produce the damping force adapted, improve the adaptability of hydraulic bushing.
Summary of the invention
In view of this, the invention provides a kind of automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device, its fluid passage keeps steady-working state, can not have an impact to damping because of rubber body distortion, and, can with the difference of radial impact load, at various pressures, produce the damping force adapted, improve the adaptability of hydraulic bushing.
Automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device of the present invention, comprise interior pipe, outer tube and the rubber body be arranged between inner and outer tubes, also comprise the separating device be arranged between interior pipe and rubber body, separating device comprises circumference and is fixedly installed on the fixed tube of interior pipe periphery and the slider I be divided into outside fixed tube and slider II, rubber body and fixed tube, space between slider I and slider II forms hydraulic work chamber I and hydraulic work chamber II, slider I and slider II are respectively arranged with the fluid passage for being communicated with two hydraulic work chambeies,
The fluid passage of slider I is provided with for damping adjusting part according to pressure size adjustment damping force with the fluid passage of slider II with being communicated with on end of hydraulic work chamber II with the end that is communicated with in hydraulic work chamber I, damping adjusting part comprises pressing plate, spring and plunger, spring overcoat is arranged in plunger, one end of spring is connected with slider, the other end is connected with pressing plate, plunger is the little cone structure in large one end, one end, the stub end of plunger is fixedly connected with pressing plate, the mode that little head end enters fluid passage with movable insertion is arranged, pressing plate is provided with fluid via hole I, plunger is provided with the fluid via hole II be communicated with fluid via hole I.
Further, the fluid passage of slider I all in the mode of unidirectional folding is provided with valve block for damper fluid one-way flow with the fluid passage of slider II with the end that is communicated with in hydraulic work chamber I with the end that is communicated with in hydraulic work chamber II.
Further, the fluid passage of slider I is provided with heavy stand structure with the fluid passage of slider II with the end that is communicated with in hydraulic work chamber II with the end that is communicated with in hydraulic work chamber I, damping adjusting part is installed and is arranged in heavy stand structure, and the lower end of spring is fixedly connected with the diapire of heavy stand structure.
Further, the radial cross section of two sliders is inner small and outside big trapezium structure, and rubber body is fixedly connected with two sliders in circumferentially coated mode.
Further, inside, rubber body axial two ends is also provided with the inner frame for improving rigidity, and inner frame axial cross section is L shape.
Further, outside the axial two ends of interior pipe circumferentially to be provided with reinforcement ring arm for being connected with rubber body with the mode that interior pipe outer side wall leaves gap.
Further, outer pipe internal surface is provided with annular boss I.
Further, outer axial tube extends radially inwardly to two ends and forms gland portion, and pressure cover inner face is provided with annular boss II.
Further, hydraulic bushing also comprises gland, and the inner, gland portion of outer tube extends radially inwardly and is outwards bent to form the connection annular groove for being connected with gland vertically, and gland circumference is provided with annular link arm.
Beneficial effect of the present invention: automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device of the present invention, the fluid passage being communicated with hydraulic work chamber is arranged on the separating device of setting separately, when radial impact load produces, can not be stressed and be out of shape with the compression of rubber body, prevent damping to lose efficacy, ensure the working state of stable vibration insulation and noise reduction, in addition, by arranging damping adjusting part, less in impulsive load, when hydraulic work chamber internal pressure is less, or high frequency, under little amplitude operating mode, spring not by compression or few by compression, damper fluid is incoming fluid passage outside plunger, meet and Low rigidity is provided, the vibration and noise reducing requirement of little damping, and at low frequency, under large amplitude operating mode, along with the increase of the radial compression of rubber body, hydraulic work chamber internal pressure increases, pressing plate is stressed by spring-compressed, thus drive plunger to insert fluid passage, until fluid passage is blocked by plunger, and damper fluid can only flow in the fluid via hole plunger, because fluid via hole internal diameter is much smaller than aperture, fluid passage, pressure increase, fluid aperture reduces, thus now damping force increases greatly, compared to existing rubber bushing, can meet at low frequency completely, high rigidity under large amplitude operating mode, the vibration and noise reducing requirement of high damping, compact structure of the present invention, reasonable in design, difference self adaption can be carried out for different operating mode, there is goodish use value
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is Figure 1A-A direction view;
Fig. 3 is Figure 1B-B direction view;
Fig. 4 is Fig. 1 C place enlarged view.
Embodiment
As shown in the figure: the automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device of the present embodiment, comprise interior pipe 1, outer tube 2 and the rubber body 3 be arranged between interior pipe 1 and outer tube 2, also comprise the separating device be arranged between interior pipe 1 and rubber body 3, separating device comprises circumference and is fixedly installed on the fixed tube 4 of interior pipe 1 periphery and the slider I 5 be divided into outside fixed tube 4 and slider II 5a, rubber body 3 and fixed tube 4, space between slider I 5 and slider II 5a forms hydraulic work chamber I 6 and hydraulic work chamber II 6a, slider I 5 and slider II 5a are respectively arranged with the fluid passage 7 for being communicated with two hydraulic work chambeies,
The fluid passage 7 of slider I 5 is provided with for damping adjusting part 8 according to pressure size adjustment damping force with the fluid passage 7 of slider II 5a with being communicated with on end of hydraulic work chamber II 6a with the end that is communicated with in hydraulic work chamber I 6, damping adjusting part 8 comprises pressing plate 81, spring 82 and plunger 83, spring 82 is coated at plunger 83 and arranges, one end of spring 82 is connected with slider, the other end is connected with pressing plate 81, plunger 83 is the little cone structure in large one end, one end, the stub end of plunger 83 is fixedly connected with pressing plate 81, the mode that little head end enters fluid passage 7 with movable insertion is arranged, pressing plate 81 is provided with fluid via hole I 84, plunger 83 is provided with the fluid via hole II 85 be communicated with fluid via hole I 84,
Wherein, this hydraulic bushing when mounted, the fixed tube 4 of separating device and slider can be made up of metallic material, there is certain degree of hardness, certainly the rubber material having higher hardness compared to described rubber body 3 also can be used to make, be enclosed within outside fixed tube 4 outside interior pipe 1 and be fixedly connected with, Placement is all possible technique existing, fixed tube 4 and two sliders one-body molded, two sliders are radially symmetrical arranged, the fluid passage 7 that each slider is arranged is two, under the damp liquid employing liquid in hydraulic work chamber, packaging technology is arranged, interference fit taked by rubber body 3 and outer tube 2.
In the present embodiment, the fluid passage 7 of slider I 5 all in the mode of unidirectional folding is provided with valve block 9 for damper fluid one-way flow with the fluid passage 7 of slider II 5a with the end that is communicated with in hydraulic work chamber I 6 with the end that is communicated with of hydraulic work chamber II 6a, wherein, valve block 9 is made for the material with certain deflection deformation, control the one-way flow of fluid, namely when damper fluid self-hydraulic active chamber I 6 enters in the 6a of hydraulic work chamber II through the fluid passage 7 of slider I 5, valve block 9 is opened under the active force of damper fluid, when damper fluid self-hydraulic active chamber II 6a enters in hydraulic work chamber I 6 through the fluid passage 7 of slider I 5, the be communicated with end of the fluid passage 7 of slider I 5 with hydraulic work chamber II 6a is shut by valve block 9 under the active force of damper fluid, damper fluid can not enter, the fluid passage 7 of slider II 5a is identical therewith with valve block 9 principle of the connection end in hydraulic work chamber I 6, valve block 9 is the shape that can cover two fluid passages 7 on each slider, the position that valve block 9 is positioned between each slider two fluid passage 7 is fixed by a screw or other fastening piece.
In the present embodiment, the fluid passage 7 of slider I 5 is provided with heavy stand structure 18 with the fluid passage 7 of slider II 5a with the end that is communicated with of hydraulic work chamber II 6a with the end that is communicated with in hydraulic work chamber I 6, damping adjusting part 8 is installed and is arranged in heavy stand structure, and the lower end of spring 82 is fixedly connected with the diapire of heavy stand structure; Form good installation to coordinate, the mode by arranging spring mounting seat on the diapire of heavy stand structure is fixedly connected with spring 82, is prior art, does not repeat them here.
In the present embodiment, the radial cross section of two sliders is inner small and outside big trapezium structure, and rubber body 3 is fixedly connected with two sliders in circumferentially coated mode; Stable connection, the entirety that trapezium structure can reduce slider takes up room, and can more arrange rubber body 3, wholely adds its effect of vibration and noise reduction.
In the present embodiment, inside, rubber body 3 axial two ends is also provided with the inner frame 10 for improving rigidity, and inner frame 10 axial cross section is L shape; L shape can increase all to some extent to the axial height of rubber body 3 and radial height.
In the present embodiment, circumferentially to be provided with reinforcement ring arm 11 for being connected with rubber body 3 with the mode that interior pipe 1 outer side wall leaves gap outside the interior axial two ends of pipe 1; Strengthen ring arm 11 and not only can increase rubber body 3 and the join strength of interior pipe 1, increase the radial rigidity of rubber body 3, but also axial limiting can be formed to rubber body 3.
In the present embodiment, outer tube 2 internal surface is provided with annular boss I 12; Certain locating effect is formed to rubber body 3, and tool improves rubber body 3 axial height and spacing effect.
In the present embodiment, the axial two ends of outer tube 2 extend radially inwardly and form gland portion 14, and gland portion 14 internal surface is provided with annular boss II 13; Not only can increase join strength, but also the effect of positioning limit can be played.
In the present embodiment, hydraulic bushing also comprises gland 15, and gland 15 the inners of outer tube 2 extend radially inwardly and are outwards bent to form the connection annular groove 16 for being connected with gland 15 vertically, and gland 15 circumference is provided with annular link arm 17; The annular link arm of gland 15 is stuck in and connects annular groove internal fixtion, fixes by outside sulfuration, also can arrange to be threaded fixing, can form radial drawing power to outer tube 2, thus fixing more firm to rubber body 3 and outer tube 2.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. an automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device, it is characterized in that: comprise interior pipe, outer tube and the rubber body be arranged between inner and outer tubes, also comprise the separating device be arranged between described interior pipe and described rubber body, described separating device comprises circumference and is fixedly installed on the fixed tube of interior pipe periphery and the slider I be divided into outside fixed tube and slider II, described rubber body and described fixed tube, space between slider I and slider II forms hydraulic work chamber I and hydraulic work chamber II, described slider I and described slider II are respectively arranged with the fluid passage for being communicated with two hydraulic work chambeies,
The fluid passage of described slider I is provided with for damping adjusting part according to pressure size adjustment damping force with the fluid passage of described slider II with being communicated with on end of hydraulic work chamber II with the end that is communicated with in hydraulic work chamber I, described damping adjusting part comprises pressing plate, spring and plunger, described spring overcoat is arranged in plunger, one end of spring is connected with slider, the other end is connected with pressing plate, described plunger is the little cone structure in large one end, one end, the stub end of plunger is fixedly connected with pressing plate, the mode that little head end enters fluid passage with movable insertion is arranged, described pressing plate is provided with fluid via hole I, described plunger is provided with the fluid via hole II be communicated with fluid via hole I.
2. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 1, is characterized in that: the fluid passage of described slider I all in the mode of unidirectional folding is provided with valve block for damper fluid one-way flow with the fluid passage of described slider II with the end that is communicated with in hydraulic work chamber I with the end that is communicated with in hydraulic work chamber II.
3. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 2, it is characterized in that: the fluid passage of described slider I is provided with heavy stand structure with the fluid passage of described slider II with the end that is communicated with in hydraulic work chamber II with the end that is communicated with in hydraulic work chamber I, described damping adjusting part is installed and is arranged in described heavy stand structure, and the lower end of described spring is fixedly connected with the diapire of described heavy stand structure.
4. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 3, it is characterized in that: the radial cross section of slider described in two is inner small and outside big trapezium structure, and described rubber body is fixedly connected with slider described in two in circumferentially coated mode.
5. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 4, is characterized in that: inside, described rubber body axial two ends is also provided with the inner frame for improving rigidity, and described inner frame axial cross section is L shape.
6. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 5, is characterized in that: circumferentially to be provided with reinforcement ring arm for being connected with rubber body with the mode that interior pipe outer side wall leaves gap outside the axial two ends of described interior pipe.
7. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 6, is characterized in that: described outer pipe internal surface is provided with annular boss I.
8. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 7, is characterized in that: described outer axial tube extends radially inwardly to two ends and forms gland portion, and described pressure cover inner face is provided with annular boss II.
9. automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device according to claim 8, it is characterized in that: described hydraulic bushing also comprises gland, the inner, gland portion of described outer tube extends radially inwardly and is outwards bent to form the connection annular groove for being connected with gland vertically, and described gland circumference is provided with annular link arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410465981.7A CN104315076B (en) | 2014-09-12 | 2014-09-12 | Automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410465981.7A CN104315076B (en) | 2014-09-12 | 2014-09-12 | Automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device |
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| Publication Number | Publication Date |
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| CN104315076A true CN104315076A (en) | 2015-01-28 |
| CN104315076B CN104315076B (en) | 2016-04-27 |
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| CN201410465981.7A Active CN104315076B (en) | 2014-09-12 | 2014-09-12 | Automotive suspension self-adapting changeable damping force hydraulic rubber vibration isolation device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570375A (en) * | 2015-12-24 | 2016-05-11 | 北汽福田汽车股份有限公司 | Axle sleeve shock absorber and vehicle |
| CN105605133A (en) * | 2016-03-25 | 2016-05-25 | 吉林大学 | Variable-inertia-passage-section hydraulic bushing |
| CN105972134A (en) * | 2016-06-22 | 2016-09-28 | 北汽福田汽车股份有限公司 | Hydraulic bushing, vehicle suspension system and vehicle |
| CN106704376A (en) * | 2017-02-23 | 2017-05-24 | 中国航发沈阳发动机研究所 | Self-adaptive bearing bush and mounting structure |
| CN107313510A (en) * | 2017-07-10 | 2017-11-03 | 重庆交通大学 | Combine steel structure device |
| CN107327021A (en) * | 2017-07-10 | 2017-11-07 | 重庆交通大学 | The stable Steel Structure of buckling type |
| CN108679145A (en) * | 2018-06-08 | 2018-10-19 | 北京长安汽车工程技术研究有限责任公司 | A kind of axial type hydraulic pressure bush of swing arm |
| CN109751019A (en) * | 2017-11-02 | 2019-05-14 | 中国石油天然气股份有限公司 | Adjustable oil nozzle, process pipe column and adjusting method |
| CN110026810A (en) * | 2019-04-11 | 2019-07-19 | 南京理工大学 | A kind of three-dimensional damp hinge seat for parallel machine vibration damping |
| CN110185706A (en) * | 2019-05-17 | 2019-08-30 | 株洲时代新材料科技股份有限公司 | A kind of includes the hydraulic bushing of metal spacer |
| CN110499678A (en) * | 2019-08-30 | 2019-11-26 | 株洲时代新材料科技股份有限公司 | A kind of the split-type liquid rubber composite node and forming method of band damping through-hole |
| CN111706638A (en) * | 2020-05-27 | 2020-09-25 | 株洲时代新材料科技股份有限公司 | Hydraulic composite bushing and sealing method thereof |
| CN112356924A (en) * | 2020-10-26 | 2021-02-12 | 东风越野车有限公司 | Composite hydraulic damping device and vehicle body suspension |
| CN113074202A (en) * | 2020-01-06 | 2021-07-06 | 北汽福田汽车股份有限公司 | Bushing assembly, control device and control strategy thereof and vehicle |
| CN114277620A (en) * | 2021-12-01 | 2022-04-05 | 株洲时代新材料科技股份有限公司 | Rubber hydraulic composite node with damping gap |
| CN114810916A (en) * | 2022-04-26 | 2022-07-29 | 博戈橡胶塑料（株洲）有限公司 | Hydraulic bushing capable of adjusting static stiffness curve and assembling method thereof |
| CN117021863A (en) * | 2023-10-07 | 2023-11-10 | 之江实验室 | Damping-adjustable suspension device and wheeled robot |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570375A (en) * | 2015-12-24 | 2016-05-11 | 北汽福田汽车股份有限公司 | Axle sleeve shock absorber and vehicle |
| CN105605133B (en) * | 2016-03-25 | 2018-01-02 | 吉林大学 | A kind of hydraulic bushing of inertia channel section-variable |
| CN105605133A (en) * | 2016-03-25 | 2016-05-25 | 吉林大学 | Variable-inertia-passage-section hydraulic bushing |
| CN105972134A (en) * | 2016-06-22 | 2016-09-28 | 北汽福田汽车股份有限公司 | Hydraulic bushing, vehicle suspension system and vehicle |
| CN105972134B (en) * | 2016-06-22 | 2019-02-26 | 北汽福田汽车股份有限公司 | Hydraulic bushing, automobile suspension system and vehicle |
| CN106704376A (en) * | 2017-02-23 | 2017-05-24 | 中国航发沈阳发动机研究所 | Self-adaptive bearing bush and mounting structure |
| CN106704376B (en) * | 2017-02-23 | 2019-06-28 | 中国航发沈阳发动机研究所 | A kind of adaptive bearing insert and mounting structure |
| CN107327021A (en) * | 2017-07-10 | 2017-11-07 | 重庆交通大学 | The stable Steel Structure of buckling type |
| CN107313510A (en) * | 2017-07-10 | 2017-11-03 | 重庆交通大学 | Combine steel structure device |
| CN107327021B (en) * | 2017-07-10 | 2020-06-30 | 重庆交通大学 | Buckling type stable steel framework |
| CN107313510B (en) * | 2017-07-10 | 2020-06-30 | 重庆交通大学 | Combined steel structure device |
| CN109751019A (en) * | 2017-11-02 | 2019-05-14 | 中国石油天然气股份有限公司 | Adjustable oil nozzle, process pipe column and adjusting method |
| CN109751019B (en) * | 2017-11-02 | 2023-11-28 | 中国石油天然气股份有限公司 | Adjustable oil nozzle, process pipe column and adjusting method |
| CN108679145A (en) * | 2018-06-08 | 2018-10-19 | 北京长安汽车工程技术研究有限责任公司 | A kind of axial type hydraulic pressure bush of swing arm |
| CN110026810B (en) * | 2019-04-11 | 2021-04-27 | 南京理工大学 | Three-dimensional damping hinge seat for vibration reduction of parallel machine tool |
| CN110026810A (en) * | 2019-04-11 | 2019-07-19 | 南京理工大学 | A kind of three-dimensional damp hinge seat for parallel machine vibration damping |
| CN110185706A (en) * | 2019-05-17 | 2019-08-30 | 株洲时代新材料科技股份有限公司 | A kind of includes the hydraulic bushing of metal spacer |
| CN110499678A (en) * | 2019-08-30 | 2019-11-26 | 株洲时代新材料科技股份有限公司 | A kind of the split-type liquid rubber composite node and forming method of band damping through-hole |
| CN110499678B (en) * | 2019-08-30 | 2021-05-14 | 株洲时代瑞唯减振装备有限公司 | Split type liquid rubber composite node with damping through hole and forming method |
| CN113074202A (en) * | 2020-01-06 | 2021-07-06 | 北汽福田汽车股份有限公司 | Bushing assembly, control device and control strategy thereof and vehicle |
| CN111706638A (en) * | 2020-05-27 | 2020-09-25 | 株洲时代新材料科技股份有限公司 | Hydraulic composite bushing and sealing method thereof |
| CN111706638B (en) * | 2020-05-27 | 2022-01-21 | 株洲时代新材料科技股份有限公司 | Hydraulic composite bushing and sealing method thereof |
| CN112356924A (en) * | 2020-10-26 | 2021-02-12 | 东风越野车有限公司 | Composite hydraulic damping device and vehicle body suspension |
| CN114277620A (en) * | 2021-12-01 | 2022-04-05 | 株洲时代新材料科技股份有限公司 | Rubber hydraulic composite node with damping gap |
| CN114810916A (en) * | 2022-04-26 | 2022-07-29 | 博戈橡胶塑料（株洲）有限公司 | Hydraulic bushing capable of adjusting static stiffness curve and assembling method thereof |
| CN117021863A (en) * | 2023-10-07 | 2023-11-10 | 之江实验室 | Damping-adjustable suspension device and wheeled robot |
| CN117021863B (en) * | 2023-10-07 | 2024-01-16 | 之江实验室 | Damping-adjustable suspension device and wheeled robot |
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| CN104315076B (en) | 2016-04-27 |
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