CN110029736A - A kind of abnormity three-dimensional shock isolation support - Google Patents

A kind of abnormity three-dimensional shock isolation support Download PDF

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Publication number
CN110029736A
CN110029736A CN201910057806.7A CN201910057806A CN110029736A CN 110029736 A CN110029736 A CN 110029736A CN 201910057806 A CN201910057806 A CN 201910057806A CN 110029736 A CN110029736 A CN 110029736A
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CN
China
Prior art keywords
hornblock
special
support
abnormity
plate
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Application number
CN201910057806.7A
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Chinese (zh)
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CN110029736B (en
Inventor
刘文光
张�杰
李韶平
王晓雯
王凯
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
University of Shanghai for Science and Technology
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
University of Shanghai for Science and Technology
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Application filed by Shanghai Nuclear Engineering Research and Design Institute Co Ltd, University of Shanghai for Science and Technology filed Critical Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Priority to CN201910057806.7A priority Critical patent/CN110029736B/en
Priority claimed from CN201910057806.7A external-priority patent/CN110029736B/en
Publication of CN110029736A publication Critical patent/CN110029736A/en
Application granted granted Critical
Publication of CN110029736B publication Critical patent/CN110029736B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges
    • E01D19/041Elastomeric bearings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/36Bearings or like supports allowing movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/022Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
    • 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
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • 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
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/022Suppression 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
    • 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
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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

Abstract

A kind of abnormity three-dimensional shock isolation support, between the top and the bottom structure for needing shock insulation, comprising: bottom plate is connect with substructure;At least two special-shaped supports, clip the first elastomer block by parallel sealing plate up and down and constitute;Upper and lower part connects hornblock, has horizontal bottom surface and inclined top surface, and when top connection hornblock is inverted and connect hornblock superposition with lower part, bottom surface is parallel;Horizontal seat clips the second elastomer block by upper and lower plates and constitutes;Slidable panels;Top connection hornblock upside down successively connect with special-shaped support and lower part hornblock link together after, be fixedly supported upon on bottom plate in centrosymmetric distribution, slidable panels are fixed on the bottom surface of inverted top connection hornblock, horizontal seat vertically can be pivotally supported on slidable panels around centre symmetry line and contact surface is using friction material, and the upper plate of horizontal seat is then connect with superstructure.The present invention can simultaneously level of isolation and vertical seismic action, the vertical earthquake isolating for the biggish building that can be used for being self-possessed.

Description

A kind of abnormity three-dimensional shock isolation support
Technical field
The present invention relates to ambient vibrations and antidetonation, cushion technique field, and in particular to a kind of abnormity three-dimensional shock isolation support, it It can be used for common building object, special construction, bridge and mechanical equipment damping/vibration.
Background technique
Building Base-isolated Technique has achieved remarkable research results.But domestic and international result of study shows The isolated component being commonly used can only level of isolation earthquake, there is no isolation effect for vertical seismic action.Make in vertical seismic action With biggish highlight lines area, Vertical Earthquake Loads are likely to become the major control factors of structural response.Furthermore Yi Xiechong Want equipment and building, such as nuclear power structure, vertical seismic action, which can use it safely, brings very big hidden danger, structure it is vertical every Problems demand is shaken to consider.
Currently, many scholars at home and abroad study vertical earthquake isolating technology, trial develop it is many it is three-dimensional every Shake device.One kind is to carry out vertical earthquake isolating using air spring, hydraulic oil, but this shock isolating pedestal performance is not sufficiently stable.It is another Class is the combined isolation support by converting vertical deformation to support horizontal displacement, although performance is relatively stable, size Larger, cost of manufacture is very high, while when superstructure self weight is larger, the biggish shearing of the shock isolating pedestal as caused by dead load Deformation will affect the isolating affection of shock isolating pedestal under geological process, not can effectively solve the bearing capacity and change of shock isolating pedestal The matched problem of performance between shape ability.
Summary of the invention
The technical problems to be solved by the invention are just to provide one kind and occupy little space, and anti-twisting property is strong, and stability is good Three direction compinents can be isolated in special-shaped three-dimensional shock isolation support simultaneously, and can bear the biggish vertical dead-load of superstructure, simultaneously Meet the requirement of three-dimensional shock isolation support bearing capacity and deformability.
Above-mentioned technical problem is solved, the technical solution adopted in the present invention is as follows:
A kind of abnormity three-dimensional shock isolation support, between the top and the bottom structure for needing shock insulation, characterized by comprising:
One bottom plate (6), connect with the substructure;
At least two special-shaped supports (4), clip the first elastomer block by parallel sealing plate up and down and constitute;
Top connection hornblock connects hornblock (3 and 5) with lower part, has horizontal bottom surface and inclined top surface, and work as top When connection hornblock inversion connect hornblock superposition with lower part, the two bottom surface is parallel;
One horizontal seat (1) clips the second elastomer block by upper and lower plates and constitutes;
One slidable panels (2);
Top connection hornblock (3) upside down successively connect hornblock (5) with special-shaped support (4) and lower part and is connected to one It rises and is fixedly supported upon on bottom plate (6) afterwards, in centrosymmetric distribution, special-shaped support 4 is vertical relative to contact surface, adjacent abnormity Space is reserved between support, slidable panels (2) are fixed on the bottom surface of inverted top connection hornblock (3), horizontal seat (1) it vertically can be pivotally supported on around centre symmetry line on slidable panels (2) and contact surface is using friction material, horizontal seat Upper plate then connect with superstructure.
Preferably, the horizontal seat (1) vertically can be pivotally supported on slidable panels (2) around centre symmetry line Structure are as follows: be fixed on slidable panels (2) and detain equipped with the circular buckle (7) that section inner hole is up-small and down-big step ladder circular ring The firmly lower plate of circular horizontal seat (1).
Preferably, first elastomer block is fan-like pattern elastomer and the stiffener staggeredly superposition connection in parallel of multi-disc It forms.
Preferably, second elastomer block is that staggeredly superposition is formed by connecting in parallel for more pieces of resilient body and stiffener.
Preferably, the inclination angle of the top surface of top connection hornblock and lower part connection hornblock is between 8 to 20 degree.
On the basis of above-mentioned basic model, the present invention can also have various modified forms:
The special-shaped support by pretreatment predeformation be allowed to top connection hornblock (3) upside down successively with special-shaped support (4) connected with lower part after hornblock (5) links together, special-shaped support (4) relative to the contact inclined-plane of upper and lower connection hornblock Slant setting, three's state in a vertical shape, special-shaped three-dimensional shock isolation support are integrally in the cylindrical space structure of rule.At predeformation Reason enhances the deformability of special-shaped three-dimensional shock isolation support.
For the special-shaped support 4 using pre-treatment, the tubular sleeve 9 of setting is fixed on the center of bottom plate (6), It is inside inserted with columnar rotary rail 8, the upper end of rotary rail 8 resists horizontal seat after passing through the centre bore that slidable panels 2 are opened The contact surface of 1 lower section, rotary rail 8 and horizontal seat 1 and slidable panels 2 is all made of friction material, and coefficient of friction is in certain model Interior variation is enclosed, while placing damping material between rotary rail 8 and sleeve 9.
When special-shaped support (4) is without pre-treatment, shape is space winding arrangement;At special-shaped support (4) predeformation After reason, shape is regular cylindrical body space structure.
The composite structure of rotary rail (8) and sleeve (9) plays the role of Horizontal limiting to special-shaped support (4), while can be Damping material is placed between rotary rail (8) and sleeve (9), and damping is provided.
It is described abnormity support (4) cross sectional shape can be it is other and meanwhile meet compatibility of deformation and bearing capacity and improve every Shake the shape of support stability, such as rectangle.
Horizontal seat be it is axial vertically-mounted, one end of support is fixedly connected with superstructure, the other end by buckle and Slidable panels connection, contact surface use friction material, can relatively rotate, pass through the shear-deformable realization horizontal direction of support Shock insulation.Special-shaped support cross sectional shape is sector, is formed by multilayer sector elastomer and stiffener stack combinations.It will be at least two pieces Special-shaped support is centrosymmetric distribution, is connected by connecting hornblock above and below with slidable panels and base-plate, special-shaped support It is inclined-plane with the contact surface being connect between hornblock above and below.Under vertical uniform load q, special-shaped support is sheared along contact surface Movement converts inclination and distortion for vertical deformation and then rotates in reserved spatial dimension between adjacent special-shaped support The effect of energy consumption is played in movement, realizes vertical earthquake isolating.Special-shaped support section is sector, and the radius of gyration is big, improves support Anti-twisting property.
When using predeformation abnormity support, special-shaped support be not vertical on the contact surface for connecting hornblock above and below Connection, but relative to contact surface slant setting, whole that vertical state is presented, special-shaped three-dimensional shock isolation support is regular at this time The special-shaped support of cylindrical space structure, predeformation further improves the bearing capacity and deformation of special-shaped three-dimensional shock isolation support Ability.
Compared with prior art, the present invention having following obvious prominent substantive distinguishing features and remarkable advantage:
1, the present invention can be achieved at the same time level of isolation to vertical earthquake or vibrating function, thus realize three-dimensional damping/ The purpose of vibration.Three-dimensional isolation device of the invention can be such that superstructure is protected when having horizontal and vertical motion and vibration Shield, suitable for building structure, the earthquake of large scale equipment and vibration protection;
2, special-shaped support section of the invention is sector, and the radius of gyration is big, improves the anti-twisting property of three-dimensional shock isolation support. The effective bearing area for increasing shock isolating pedestal in the confined space simultaneously undertakes special-shaped three-dimensional shock isolation support larger Vertical load.
3, special-shaped support of the invention can carry out pre-treatment, enhance special-shaped three-dimensional shock isolation support bearing capacity and Deformability.
4, structure of the invention is simple in rule, occupies little space, the condition for having large-scale standardized production and using.
5, sleeve and guide rail structure of the invention can provide certain vertical rigidity under equilibrium state, by outside When excitation, the horizontal displacement of special-shaped support can be limited, while damping material can be added between sleeve and guide rail, damping consumption is provided Energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the special-shaped three-dimensional shock isolation support of the embodiment of the present invention one;
Fig. 2 is the structural schematic diagram of the special-shaped support of the embodiment of the present invention one;
Fig. 3 is the top joint angle block structure schematic diagram of the embodiment of the present invention one;
Fig. 4 is the lower part joint angle block structure schematic diagram of the embodiment of the present invention one;
Fig. 5 is the buckle structure schematic diagram of the embodiment of the present invention one;
Fig. 6 is the structural schematic diagram of the special-shaped three-dimensional shock isolation support of the embodiment of the present invention two;
Fig. 7 is the structural schematic diagram of the predeformation abnormity support of the embodiment of the present invention two;
Fig. 8 is the structural schematic diagram of the special-shaped three-dimensional shock isolation support of the embodiment of the present invention three;
Fig. 9 is the rotary rail of the embodiment of the present invention three and the structural schematic diagram of sleeve;
Figure 10 is the 1-1 sectional view of the special-shaped three-dimensional shock isolation support of the embodiment of the present invention three;
Figure 11 is the 2-2 sectional view of the special-shaped three-dimensional shock isolation support of the embodiment of the present invention three.
Appended drawing reference refers in figure:
1- horizontal seat;
2- slidable panels;
The top 3- connects hornblock;
4- abnormity support;
The lower part 5- connects hornblock;
6- base-plate;
7- buckle;
8- rotary rail;
9- sleeve.
Specific embodiment
Details are as follows for the preferred embodiment of the present invention:
Embodiment one
Referring to Fig. 1 to Fig. 5, special-shaped three-dimensional shock isolation support of the invention is set between the top and the bottom structure for needing shock insulation, Include:
One bottom plate (6), connect with the substructure;At least two special-shaped supports (4), are pressed from both sides by parallel sealing plate up and down The first elastomer block constitute;Top connection hornblock connects hornblock (3 and 5) with lower part, has horizontal bottom surface and inclined top Face, and when top connection hornblock is inverted and connect hornblock superposition with lower part, the two bottom surface is parallel;One horizontal seat (1), by upper Lower plate clips the second elastomer block composition;One slidable panels (2);Top connection hornblock (3) is upside down successively propped up with abnormity Seat (4) connected with lower part hornblock (5) link together after, be fixedly supported upon on bottom plate (6) in centrosymmetric distribution, it is special-shaped Support 4 is vertical relative to contact surface, is reserved with space between adjacent abnormity support, slidable panels (2) are fixed on inverted top Connect hornblock (3) bottom surface on, horizontal seat (1) vertically can be pivotally supported on around centre symmetry line on slidable panels (2) and Contact surface uses friction material, and the upper plate of horizontal seat is then connect with superstructure.
Wherein, horizontal seat (1) vertically can pivotally be supported on the structure on slidable panels (2) around centre symmetry line are as follows: Equipped with section inner hole be up-small and down-big step ladder circular ring circular buckle (7) be fixed on slidable panels (2) clasp it is circular The lower plate of horizontal seat (1);First elastomer block is that sector (fan-like pattern) elastomer of multi-disc and stiffener are staggeredly superimposed in parallel It is formed by connecting;Second elastomer block is that staggeredly superposition is formed by connecting in parallel for the circular elastomer of multi-disc and stiffener;Top connection The inclination angle of the top surface of hornblock and lower part connection hornblock is between 8 to 20 degree.
Under vertical uniform load q, along contact surface shearing motion occurs for special-shaped support 4, converts inclination for vertical deformation and becomes Shape rotates movement in the space to vacate between adjacent special-shaped support.Special-shaped support section is sector, the radius of gyration Greatly, support has very strong anti-twisting property.
The cross sectional shape of special-shaped support (4) can also be other while meet compatibility of deformation and bearing capacity and improve shock insulation The shape of support stability, such as rectangle.
Embodiment two
Referring to Fig. 6 and Fig. 7, embodiment two and embodiment one the difference is that: special-shaped support is by pretreatment predeformation Top connection hornblock (3) is allowed to upside down successively to connect with special-shaped support (4) and lower part after hornblock (5) links together, it is special-shaped Support (4) relative to the contact inclined-plane slant setting of upper and lower connection hornblock, three's state in a vertical shape, special-shaped three-dimensional isolation branch The whole cylindrical space structure in rule of seat.Pre-treatment enhances the deformability of special-shaped three-dimensional shock isolation support.
When special-shaped support (4) is without pre-treatment, shape is space winding arrangement;Special-shaped support (4) predeformation After processing, shape is regular cylindrical body space structure.
Embodiment three
Referring to Fig. 8, Fig. 9, Figure 10 and Figure 11, embodiment three and embodiment two the difference is that: for using predeformation The special-shaped support 4 of processing is fixed with the tubular sleeve 9 of setting on the center of bottom plate (6), is inside inserted with columnar rotary rail 8, the upper end of rotary rail 8 resists 1 lower section of horizontal seat, rotary rail 8 and water after passing through the centre bore that slidable panels 2 are opened The contact surface of flat bearing 1 and slidable panels 2 is all made of friction material, and coefficient of friction changes in a certain range, while rotation is led Damping material is placed between rail 8 and sleeve 9.The composite structure of rotary rail (8) and sleeve (9) plays water to special-shaped support (4) Flat position-limiting action, while damping material can be placed between rotary rail (8) and sleeve (9), damping is provided.

Claims (7)

1. a kind of abnormity three-dimensional shock isolation support, between the top and the bottom structure for needing shock insulation, characterized by comprising:
One bottom plate (6), connect with the substructure;
At least two special-shaped supports (4), clip the first elastomer block by parallel sealing plate up and down and constitute;
Top connection hornblock connects hornblock (3 and 5) with lower part, has horizontal bottom surface and inclined top surface, and when top connects When hornblock inversion connect hornblock superposition with lower part, the two bottom surface is parallel;
One horizontal seat (1) clips the second elastomer block by upper and lower plates and constitutes;
One slidable panels (2);
Top connection hornblock (3) upside down successively connect hornblock (5) with special-shaped support (4) and lower part and links together Afterwards, it is fixedly supported upon in centrosymmetric distribution on bottom plate (6), special-shaped support 4 is vertical relative to contact surface, adjacent abnormity support Between be reserved with space, slidable panels (2) are fixed on the bottom surface of inverted top connection hornblock (3), and horizontal seat (1) is vertical It can be pivotally supported on around centre symmetry line on slidable panels (2) and contact surface is using friction material, the upper plate of horizontal seat is then It is connect with superstructure.
2. abnormity three-dimensional shock isolation support according to claim 1, it is characterised in that: the horizontal seat (1) vertically may be used The structure being pivotally supported on around centre symmetry line on slidable panels (2) are as follows: equipped with section inner hole be up-small and down-big ladder circle The circular buckle (7) of ring is fixed on the lower plate that circular horizontal seat (1) is clasped on slidable panels (2).
3. abnormity three-dimensional shock isolation support according to claim 1, it is characterised in that: first elastomer block is multi-disc Staggeredly superposition is formed by connecting in parallel for fan-like pattern elastomer and stiffener.
4. abnormity three-dimensional shock isolation support according to claim 1, it is characterised in that: second elastomer block is multi-disc bullet Property body and stiffener in parallel staggeredly superposition be formed by connecting.
5. abnormity three-dimensional shock isolation support according to claim 1, it is characterised in that: the top connection hornblock and lower part The inclination angle for connecting the top surface of hornblock is between 8 to 20 degree.
6. special-shaped three-dimensional shock isolation support described in -5 any one according to claim 1, it is characterised in that: the special-shaped support Top connection hornblock (3) is allowed to by pretreatment predeformation, and hornblock (5) are upside down successively connect with special-shaped support (4) and lower part even After being connected together, three's state in a vertical shape, special-shaped three-dimensional shock isolation support is integrally in the cylindrical space structure of rule.
7. abnormity three-dimensional shock isolation support according to claim 6, it is characterised in that: be fixed on the center of bottom plate (6) The tubular sleeve (9) of setting, is inside inserted with columnar rotary rail (8), what the upper end of rotary rail was opened across slidable panels (2) It is resisted after centre bore below horizontal seat 1, the contact surface of rotary rail and horizontal seat (1) and slidable panels (2), which is all made of, to rub Material is wiped, coefficient of friction changes in a certain range, while damping material is placed between rotary rail and sleeve.
CN201910057806.7A 2019-01-22 Special-shaped three-dimensional shock insulation support Active CN110029736B (en)

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Application Number Priority Date Filing Date Title
CN201910057806.7A CN110029736B (en) 2019-01-22 Special-shaped three-dimensional shock insulation support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910057806.7A CN110029736B (en) 2019-01-22 Special-shaped three-dimensional shock insulation support

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Publication Number Publication Date
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CN110029736B CN110029736B (en) 2021-08-31

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CN110965463A (en) * 2019-12-19 2020-04-07 安徽微威减震降噪技术研究院 Rubber shock insulation support
CN111075884A (en) * 2020-01-09 2020-04-28 上海大学 Shock absorber based on Stewart configuration
CN111172861A (en) * 2020-03-04 2020-05-19 王少鹏 High-speed bridge with bearing deformation structure

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CN111075884A (en) * 2020-01-09 2020-04-28 上海大学 Shock absorber based on Stewart configuration
CN111172861A (en) * 2020-03-04 2020-05-19 王少鹏 High-speed bridge with bearing deformation structure

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