CN114458711B - Universal shock absorber structure for improving metal rubber shock absorption effect - Google Patents

Universal shock absorber structure for improving metal rubber shock absorption effect Download PDF

Info

Publication number
CN114458711B
CN114458711B CN202210075021.4A CN202210075021A CN114458711B CN 114458711 B CN114458711 B CN 114458711B CN 202210075021 A CN202210075021 A CN 202210075021A CN 114458711 B CN114458711 B CN 114458711B
Authority
CN
China
Prior art keywords
metal rubber
cylindrical seat
supporting rod
support
spring piece
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.)
Active
Application number
CN202210075021.4A
Other languages
Chinese (zh)
Other versions
CN114458711A (en
Inventor
任志英
黄子豪
邱涛
白鸿柏
吴乙万
刘扭扭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou University
Original Assignee
Fuzhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuzhou University filed Critical Fuzhou University
Priority to CN202210075021.4A priority Critical patent/CN114458711B/en
Publication of CN114458711A publication Critical patent/CN114458711A/en
Application granted granted Critical
Publication of CN114458711B publication Critical patent/CN114458711B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2222/00Special physical effects, e.g. nature of damping effects
    • F16F2222/04Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a universal shock absorber structure for improving the vibration attenuation effect of metal rubber, which comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which upwards penetrates through the cover plate is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring leaf assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; the cylindrical seat is internally provided with a pressing plate fixedly connected to the supporting rod, the upper side and the lower side of the pressing plate are respectively provided with a metal rubber component, the metal rubber component is formed by closely arranging a plurality of metal rubber columns vertically arranged, and a pressing mechanism is arranged around the metal rubber component. The invention improves the damping capacity of the vibration damper by increasing the friction of the metal rubber, thereby greatly improving the vibration damping effect of the vibration damper, and the universal vibration damper has good structure vibration damping effect, strong practicability, low processing cost, minimized surface abrasion, prolonged service life of the vibration damper and greatly saved maintenance cost.

Description

Universal shock absorber structure for improving metal rubber shock absorption effect
Technical Field
The invention relates to the technical field of high-end equipment vibration reduction, in particular to a universal vibration reducer structure for improving the vibration reduction effect of metal rubber.
Background
With the further promotion of the industrial energy level, the rapid growth of high-end equipment industries such as intelligent manufacturing equipment, aerospace equipment, marine engineering equipment, high-end energy equipment, energy-saving and environment-friendly equipment, high-end medical equipment, microelectronic equipment and the like is promoted. The problems that the working environment or the equipment structure of the high-end equipment is easily damaged under the action of vibration are specifically shown as failure of welding points in equipment components, breakage of leads and structural fatigue, which cause machine failure, and the high-end equipment cannot work normally. Therefore, damping measures are usually taken to prevent the high-end equipment from being damaged under the excitation of external vibration impact, and the design of a damping structure device is a common damping measure at present.
The damping element is used as a core element of the damping structure device, the metal rubber used as one of the damping elements is a homogeneous elastic porous material, and has the characteristics of high damping, high elasticity, long service life and the like, and the conventional metal rubber shock absorber generally has the defects of unsatisfactory damping effect, complex damping constraint, higher processing cost, difficulty in installation and the like, so that the method for improving the damping effect of the metal rubber by adopting a simple and convenient structural design method has great significance.
Disclosure of Invention
In view of the above, the present invention provides a universal shock absorber structure with good shock absorption effect, low processing cost and strong practicability, which improves the metal rubber shock absorption effect, and improves the shock absorption effect through the friction between metal rubber surfaces.
The invention is realized by adopting the following scheme: a universal shock absorber structure for improving the vibration attenuation effect of metal rubber comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which upwards penetrates through the cover plate is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring leaf assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; the cylindrical seat is internally provided with a pressing plate fixedly connected to the supporting rod, the upper side and the lower side of the pressing plate are respectively provided with a metal rubber component, the metal rubber component is formed by closely arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber component.
Furthermore, the cross section of the metal rubber column is in a regular triangle shape, the side edges of two adjacent metal rubber columns are tightly attached together, the supporting rod is positioned in a regular polygon shape of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of the metal rubber column; the cross section outline of the metal rubber component is polygonal.
Further, the spring piece assembly comprises an arc-shaped spring piece with an inward concave surface, the upper end of the arc-shaped spring piece is connected to the side part of the upper support, and the lower end of the arc-shaped spring piece is connected to the side part of the cylindrical seat.
Furthermore, the upper support and the periphery of the cylindrical seat are respectively provided with a plurality of groups of lug pieces, each group of lug pieces is used for connecting the arc-shaped spring piece, two ends of the arc-shaped spring piece are fixedly connected with connecting sleeves, and the connecting sleeves are connected onto the lug pieces through bolts and nuts.
Furthermore, a partition plate is arranged in the inner cavity of the cylindrical seat, a space is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressing plate is positioned between the pressing plate and the partition plate, and the metal rubber component on the upper side of the pressing plate is positioned between the pressing plate and the cover plate; a through hole for the lower end of the support rod to pass through is arranged in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat.
Furthermore, hold-down mechanism includes a plurality of splint that paste the metal rubber component lateral surface, the screw thread through-hole has been seted up at every splint outside position to the cylindric seat, wear to be equipped with in the screw thread through-hole rather than screw-thread fit's clamp bolt, clamp bolt is being held up the splint lateral surface towards inside one end.
Furthermore, the upper end of the supporting rod is provided with an external thread part, and a locking nut clamped on the upper side of the upper support is screwed on the external thread part of the supporting rod.
Compared with the prior art, the invention has the following beneficial effects:
1) Compared with the traditional metal rubber shock absorber, the metal rubber has the characteristics that the rigidity is increased but the shock absorption effect is weakened when the stress is larger, the damping capacity of the metal rubber is improved by increasing the friction of the metal rubber, so that the shock absorption effect of the shock absorption device is greatly improved, and the metal rubber shock absorber is high in practicability;
2) The cross section outline of the metal rubber group can be designed into different geometric shapes through a single metal rubber column with an equilateral triangle cross section, so that the metal rubber group has different structural damping characteristics and is designed into a shock absorber with an isotropic section or an anisotropic section;
3) Due to the symmetrical distribution of the arc-shaped spring pieces and the metal rubber groups, the shock absorber has certain shock absorption effect in three mutually perpendicular directions;
4) Due to the large total contact area between the single metal rubber columns, the abrasion of the surfaces of the metal rubber columns is minimized, the service life of the shock absorber is prolonged, and the maintenance cost is greatly saved.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a metal-rubber component of an embodiment of the present invention having an equilateral triangle cross section;
FIG. 6 is a schematic cross-sectional view of a metal-rubber component having a cross-section with two axes of symmetry according to an embodiment of the present invention;
the numbering in the figures illustrates: 1-lower support, 2-metal rubber component, 3-clamping plate, 4-compression bolt, 5-cover plate, 6-upper support, 7-locking nut, 8-support rod, 9-locking bolt, 10-arc spring piece, 11-foundation bolt hole, 12-bolt, 13-nut, 14-cylindrical seat, 15-pressing plate and 16-partition plate.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure herein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 6, a universal shock absorber structure for improving the vibration damping effect of metal rubber comprises a lower support 1, wherein a foundation bolt hole is formed in the lower support so as to be connected to a base below through a foundation bolt, a cylindrical seat 14 is fixedly connected to the upper side of the lower support, a cover plate 5 is arranged at the upper end of the cylindrical seat 14, the cover plate is fixedly connected to the upper end of the cylindrical seat through a locking bolt, a support rod 8 which upwards penetrates through the cover plate is arranged inside the cylindrical seat 14, an upper support 6 is sleeved at the upper end of the support rod 8, and a plurality of spring leaf assemblies which are uniformly distributed along the circumferential direction are connected between the upper support 6 and the cylindrical seat 14; a pressing plate 15 fixedly connected to the supporting rod is arranged in the cylindrical seat 14, metal rubber components are respectively arranged on the upper side and the lower side of the pressing plate 15, the metal rubber components are formed by tightly arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber components; thereby the metal rubber subassembly improves the damping effect of structural damping through the friction between a plurality of metal rubber cylinder and the face, has with low costs, the practicality is strong characteristics.
The vibration reduction working principle is as follows: when vibration is applied to a system, force is transmitted to a supporting rod of a vibration damping device, the supporting rod drives an upper support to move downwards, a spring piece assembly between an upper support and a lower support absorbs partial vibration energy due to the damping effect of the spring piece assembly, meanwhile, a pressing plate of the supporting rod moves to compress a metal rubber set, at the moment, the surfaces of metal rubber columns rub with each other, the upper movement and the lower movement of the metal rubber assembly are restrained, the metal wires sliding inside and on the outer surface of the metal rubber assembly are restrained and increased, gaps among the metal wires between layers are more and more dense, the number of turn contact points inside and on the outer surface of the metal rubber is increased, the metal wires are extruded more and more obviously, for the metal rubber generating damping characteristics through dry friction energy consumption, the structural damping can be increased, the effect of the hard characteristics is more and more obvious, the vibration damping effect and the bearing capacity of the metal rubber are improved, and the system is stable by absorbing residual vibration energy through the metal rubber assembly.
In this embodiment, the cross section of the metal rubber column is a regular triangle, the side edges of two adjacent metal rubber columns are tightly attached together, the support rod 88 is positioned in a regular polygon of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of the metal rubber column; the cross section outline of the metal rubber component is polygonal, preferably regular polygonal, the cross section of the inner cavity of the cylindrical seat is of a polygonal structure which is one circle larger than the metal rubber component, and the cross section outline of the metal rubber component can be arranged into different geometric shapes by utilizing metal rubber columns, so that the shock absorber has different structural damping characteristics. In the embodiment, the overall cross section of the metal rubber component is a regular hexagon or an equilateral triangle, and in the specific implementation process, the cross section profile of the metal rubber component may not be a regular polygon, but in order to ensure the structural stability, the metal rubber component must be a symmetrical figure, preferably, the metal rubber component has more than 2 symmetrical axes, and as shown in fig. 6, the metal rubber component has a hexagonal structure with 2 symmetrical axes.
In this embodiment, the spring plate assembly comprises an arc spring plate 10 with a concave surface facing inwards, wherein the upper end of the arc spring plate 10 is connected with the side part of the upper support, and the lower end of the arc spring plate 10 is connected with the side part of the cylindrical support.
In this embodiment, the upper bracket and the cylindrical seat peripheral part are provided with the lug piece that multiunit, every group are a pair of being used for connecting the arc spring leaf respectively, arc spring leaf both ends have linked firmly the adapter sleeve, the adapter sleeve passes through bolt 12 and nut 13 and connects on the lug piece, and the bolt passes lug piece and adapter sleeve.
In the embodiment, the inner cavity of the cylindrical seat is provided with a partition plate 16, a space is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressure plate is positioned between the pressure plate and the partition plate, and the metal rubber component on the upper side of the pressure plate is positioned between the pressure plate and the cover plate, so that the vibration damper is prevented from being damaged during overload; a through hole for the lower end of the support rod to pass through is arranged in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat.
In this embodiment, hold-down mechanism includes a plurality of splint 3 that paste the metal rubber component lateral surface, the screw thread through-hole has been seted up at every splint outside position to the cylindric seat, wear to be equipped with in the screw thread through-hole rather than screw-thread fit's clamp bolt 4, clamp bolt lateral surface is being pushed up to interior one end of clamp bolt 4, and splint promote it through clamp bolt and play the clamping action to metal rubber group, retrain metal rubber post lateral displacement, and then increase the frictional force between the metal rubber post surface.
In this embodiment, the upper end of the support rod is provided with an external thread part, and a locking nut 7 clamped on the upper side of the upper support is screwed on the external thread part of the support rod.
When the universal shock absorber structure is installed, the distance between the upper support and the lower support is controlled to enable the arc-shaped spring piece to generate certain pretightening force, so that the shock absorber is integrally pretightened. When the metal rubber damping device works, when vibration is applied to a system, force is transmitted to the supporting rod of the vibration damping device, the supporting rod drives the upper support to move downwards, the arc-shaped spring piece between the upper support and the lower support absorbs part of vibration energy due to the damping effect of the arc-shaped spring piece, meanwhile, the pressing plate of the supporting rod compresses the metal rubber set, the metal rubber columns rub with each other at the moment, the constraint on the metal wires sliding inside and on the outer surface of each metal rubber column is increased due to the constraint effect of the cover plate or the partition plate, the gaps of the metal wires between layers are more and more dense, the number of wire turn contact points inside and on the outer surface of the metal rubber is increased, the metal wires are more and more obviously extruded with each other, for the metal rubber generating the damping characteristic through dry friction energy consumption, the structural damping can be increased, the effect of the hard characteristic is more and more obvious, the vibration damping effect and the bearing capacity of the metal rubber are improved, and the system is stabilized by the metal rubber assembly absorbing the residual vibration energy.
Unless otherwise indicated, any of the above-described embodiments of the present invention disclose numerical ranges, which are preferred ranges, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the number is large and cannot be exhaustive, some of the numbers are disclosed to exemplify the technical solutions of the present invention, and the above-mentioned numbers should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides an improve general bumper shock absorber structure of metal rubber damping effect which characterized in that: the spring piece assembly comprises a lower support, wherein a cylindrical seat is fixedly connected to the upper side of the lower support, a cover plate is arranged at the upper end of the cylindrical seat, a supporting rod which penetrates through the cover plate upwards is arranged in the cylindrical seat, an upper support is sleeved at the upper end of the supporting rod, and a plurality of spring piece assemblies which are uniformly distributed along the circumferential direction are connected between the upper support and the cylindrical seat; a pressing plate fixedly connected to the supporting rod is arranged in the cylindrical seat, metal rubber components are respectively arranged on the upper side and the lower side of the pressing plate, the metal rubber components are formed by tightly arranging a plurality of metal rubber columns which are vertically arranged, and a pressing mechanism is arranged around the metal rubber components; a partition plate is arranged in the inner cavity of the cylindrical seat, a gap is reserved between the partition plate and the bottom of the inner cavity of the cylindrical seat, the metal rubber component on the lower side of the pressing plate is positioned between the pressing plate and the partition plate, and the metal rubber component on the upper side of the pressing plate is positioned between the pressing plate and the cover plate; a through hole for the lower end of the support rod to pass through is formed in the middle of the clapboard, and a space is also reserved between the lower end of the support rod and the bottom of the inner cavity of the cylindrical seat; the pressing mechanism comprises a plurality of clamping plates attached to the outer side face of the metal rubber component, a threaded through hole is formed in the outer side position of each clamping plate of the cylindrical seat, a pressing bolt in threaded fit with the threaded through hole penetrates through the threaded through hole, and one inward end of the pressing bolt abuts against the outer side face of each clamping plate.
2. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 1, wherein: the cross section of each metal rubber column is in a regular triangle shape, the side edges of two adjacent metal rubber columns are tightly attached together, the support rod is positioned in a regular polygon shape of the cross section of the rod section in the cylindrical seat, and the side length is an integral multiple of the side length of the cross section of each metal rubber column; the cross section outline of the metal rubber component is polygonal.
3. The universal shock absorber structure for improving the metal rubber shock absorption effect according to claim 1, wherein: the spring piece assembly comprises an arc-shaped spring piece with an inward concave surface, and the upper end of the arc-shaped spring piece is connected to the side part of the upper support, and the lower end of the arc-shaped spring piece is connected to the side part of the cylindrical seat.
4. The universal shock absorber structure for improving the vibration damping effect of metal rubber as claimed in claim 3, wherein: the upper support and the cylindrical seat are respectively provided with a plurality of groups of lug plates, each group of lug plates is used for being connected with the arc-shaped spring piece, two ends of the arc-shaped spring piece are fixedly connected with connecting sleeves, and the connecting sleeves are connected onto the lug plates through bolts and nuts.
5. The universal shock absorber structure for improving the metal rubber shock absorption effect according to claim 1, wherein: the upper end of the supporting rod is provided with an external thread part, and the external thread part of the supporting rod is screwed with a locking nut clamped on the upper side of the upper support.
CN202210075021.4A 2022-01-22 2022-01-22 Universal shock absorber structure for improving metal rubber shock absorption effect Active CN114458711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210075021.4A CN114458711B (en) 2022-01-22 2022-01-22 Universal shock absorber structure for improving metal rubber shock absorption effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210075021.4A CN114458711B (en) 2022-01-22 2022-01-22 Universal shock absorber structure for improving metal rubber shock absorption effect

Publications (2)

Publication Number Publication Date
CN114458711A CN114458711A (en) 2022-05-10
CN114458711B true CN114458711B (en) 2022-12-30

Family

ID=81411032

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210075021.4A Active CN114458711B (en) 2022-01-22 2022-01-22 Universal shock absorber structure for improving metal rubber shock absorption effect

Country Status (1)

Country Link
CN (1) CN114458711B (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201604184U (en) * 2010-01-28 2010-10-13 长安大学 Multi-layer rubber vibration absorber for vibrating screen of mixing machine
CN203257971U (en) * 2012-12-13 2013-10-30 哈尔滨工程大学 Three-way metal rubber vibration isolator and array thereof
CN105090312A (en) * 2014-05-06 2015-11-25 中国人民解放军军械工程学院 Special metal rubber shock absorber for spacecraft
CN105889384A (en) * 2014-09-15 2016-08-24 中国人民解放军军械工程学院 A metal rubber combination shock absorber
JP6374788B2 (en) * 2014-12-26 2018-08-15 東洋ゴム工業株式会社 Air spring
CN205423660U (en) * 2016-03-21 2016-08-03 山东农业大学 Two -way vibration damper of metal rubber
CN212726639U (en) * 2020-09-15 2021-03-16 湖州恒通机械设备有限公司 Motor shock absorber for screening machine
CN112161018B (en) * 2020-09-22 2022-02-22 东南大学 Infrastructure large-bearing multi-direction vibration isolating and reducing device and disaster prevention method thereof
CN112324828B (en) * 2020-11-24 2021-08-17 北京航空航天大学 Three-way rigidity damping decoupling high-bearing metal rubber combined vibration isolator
CN113915444A (en) * 2021-10-29 2022-01-11 福州大学 Metal rubber elastic friction damper for high-temperature pipeline

Also Published As

Publication number Publication date
CN114458711A (en) 2022-05-10

Similar Documents

Publication Publication Date Title
CN110158803B (en) Multidirectional damping and pulling-out resisting device of vibration isolation support and vibration isolation and damping method thereof
CN114458711B (en) Universal shock absorber structure for improving metal rubber shock absorption effect
CN109780132B (en) Mechanical filter with periodic structure
CN210288748U (en) Multi-direction shock absorption and anti-pulling device of shock insulation support
CN115126113B (en) Multidirectional composite shock insulation support
CN217840405U (en) Three-dimensional composite shock isolation device
CN107939136B (en) Fixed three-way damping device for near-field earthquake
CN114808673B (en) Annular elastic shock absorption and isolation support
CN216067278U (en) Simple motor transmission gear mounting device
CN214450110U (en) Novel shock absorber mounting structure and vehicle
CN211648752U (en) Automobile fastener with prolonged service life
CN210148127U (en) Electromagnetic suction device for magnetic conduction object
CN209762127U (en) Damper convenient to disassemble
CN216112841U (en) Force-bearing assembly and connection assembly and structure
CN216199727U (en) New energy automobile high strength fastener
CN217462844U (en) Locking nut assembly that moves with multiple fastening structure
CN209875841U (en) Bowl-shaped spacer macromolecular elastic element buffer
CN221221089U (en) Looseness-preventing bolt for medium-sized mechanical equipment
CN212509150U (en) Bolt for building with supplementary mounting structure
CN220084315U (en) Rubber joint dynamic performance test fixture for oil pressure damper of railway vehicle
CN212249423U (en) Cross-shaped cross-section full-assembly type buckling-restrained supporting component
CN219299725U (en) High-tightness U-shaped bolt
CN219854387U (en) Sleeve connecting device
CN215967399U (en) Machine tool column and machine tool
CN213534702U (en) Combined buffer

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
CB03 Change of inventor or designer information

Inventor after: Ren Zhiying

Inventor after: Huang Zihao

Inventor after: Qiu Tao

Inventor after: Bai Hongbai

Inventor after: Wu Yiwan

Inventor after: Liu Niuniu

Inventor before: Ren Zhiying

Inventor before: Qiu Tao

Inventor before: Huang Zihao

Inventor before: Bai Hongbai

Inventor before: Wu Yiwan

Inventor before: Liu Niuniu

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant