CN108842922A - A kind of reset friction limit shock isolating pedestal - Google Patents

A kind of reset friction limit shock isolating pedestal Download PDF

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Publication number
CN108842922A
CN108842922A CN201810809613.8A CN201810809613A CN108842922A CN 108842922 A CN108842922 A CN 108842922A CN 201810809613 A CN201810809613 A CN 201810809613A CN 108842922 A CN108842922 A CN 108842922A
Authority
CN
China
Prior art keywords
friction
lumen
sidewall
friction lumen
block
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.)
Pending
Application number
CN201810809613.8A
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Chinese (zh)
Inventor
陈睦锋
魏陆顺
陶然
廖盛薪
林霞娟
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Foshan University
Original Assignee
Foshan 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 Foshan University filed Critical Foshan University
Priority to CN201810809613.8A priority Critical patent/CN108842922A/en
Publication of CN108842922A publication Critical patent/CN108842922A/en
Pending legal-status Critical Current

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Classifications

    • 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

Abstract

It rubs the invention discloses a kind of reset and limits shock isolating pedestal, including the lower loading plate equipped with the first friction lumen, the high-damping shock insulation block in the first friction lumen, with lower loading plate in the upper loading plate for intersecting setting on horizontal plane, the upper loading plate is equipped with second friction lumen mobile for high-damping shock insulation block;It further include several flexible connectors, the flexible connector is separately mounted between the inner sidewall of the lateral wall of high-damping shock insulation block and the inner sidewall of the first friction lumen, the second friction lumen.The present invention has relatively high vertical bearing capacity, and has the function of resistance to plucking and Self-resetting, and design is simple, easy to operate, is easily installed, can be cheap with volume production.

Description

A kind of reset friction limit shock isolating pedestal
Technical field
The present invention relates to technical field of isolation, especially a kind of reset friction limit shock isolating pedestal.
Background technique
Base Isolation Technology most representative innovative anti-seismic technology since being known as 20th century is earthquake resistant engineering and knot Structure design provides new innovation direction and Research Thinking, to ensure that major design provides safely possibility.Structure basis shock isolator The different demarcation of shock insulation mechanism is pressed by system, mainly has at present:Laminated rubber bearing vibration-isolating system, sliding friction vibration-isolating system, combination every Shake system, friction pendulum system, roller bearing or ball friction isolation system, there are also the sliding concave surface base isolation systems occurred recently Deng.Wherein, more commonly used is laminated rubber bearing vibration-isolating system, sliding friction vibration-isolating system, but above two vibration-isolating system Have the defects that certain, the displacement that sliding friction shock isolating pedestal is generated in earthquake tends not to restore, laminated rubber shock insulation The vertical bearing capacity of support is limited.
Summary of the invention
The technical problem to be solved by the present invention is to:There is provided it is a kind of with relatively high vertical bearing capacity, and have resistance to plucking Reset friction with the function of Self-resetting limits shock isolating pedestal.
The solution that the present invention solves its technical problem is:A kind of reset friction limit shock isolating pedestal, including it is equipped with the The lower loading plate of one friction lumen, the high-damping shock insulation block in the first friction lumen are set with lower loading plate in intersecting on horizontal plane The upper loading plate set, the upper loading plate are equipped with second friction lumen mobile for high-damping shock insulation block;It further include several elasticity Connector, the flexible connector are separately mounted to the lateral wall of high-damping shock insulation block and the inner sidewall of the first friction lumen, second Between the inner sidewall of friction lumen.
As a further improvement of the above technical scheme, the flexible connector includes reset spring, the reset spring It is separately mounted between the inner sidewall of the lateral wall of high-damping shock insulation block and the inner sidewall of the first friction lumen, the second friction lumen, institute It states and high-damping shock insulation block is made to be respectively at the middle part of the first friction lumen, in the second friction lumen under reset spring free state Portion.
As a further improvement of the above technical scheme, the high-damping shock insulation block includes upper steel plate, lower steel plate, rubber Block, the rubber block are fixed between upper steel plate and lower steel plate.
As a further improvement of the above technical scheme, the rubber block uses laminated rubber block, the laminated rubber block It intermeshed, stacked by several layers rubber and several steel plates.
As a further improvement of the above technical scheme, the rear and front end of the lower steel plate is respectively equipped with the first clamping block, Be respectively equipped with the first groove on the inner sidewall of the rear and front end of first friction lumen, first clamping block and two it is first recessed Slot clamping.
As a further improvement of the above technical scheme, the left and right ends of the upper steel plate are respectively equipped with the second clamping block, Be respectively equipped with the second groove on the inner sidewall of the left and right ends of second friction lumen, second clamping block and two it is second recessed Slot clamping.
As a further improvement of the above technical scheme, first groove is located at bottom and the inner sidewall of the first friction lumen Junction;Second groove is located at the bottom of the second friction lumen and the junction of inner sidewall.
As a further improvement of the above technical scheme, the high-damping shock insulation block further includes two pieces of polyfluortetraethylene plates, Two pieces of polyfluortetraethylene plates are separately fixed on the upper surface of upper steel plate and the lower end surface of lower steel plate, two pieces of polyfluortetraethylene plates point The bottom of the first friction lumen, the bottom of the second friction lumen are not resisted.
The beneficial effects of the invention are as follows:The present invention has relatively high vertical bearing capacity, and has resistance to plucking and Self-resetting Function, design is simple, easy to operate, is easily installed, can be cheap with volume production.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs Scheme and attached drawing.
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the structural schematic diagram that the present invention hides upper loading plate;
Fig. 3 is the structural schematic diagram of high-damping shock insulation block of the present invention;
Fig. 4 is the sectional view of bearing plate of the present invention Yu high-damping shock insulation block.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict Under the premise of can be with combination of interactions.
Referring to Fig.1~Fig. 4, a kind of reset friction limit shock isolating pedestal, including be equipped with the first friction lumen lower loading plate 1, High-damping shock insulation block 2 in the first friction lumen, with lower loading plate 1 in the upper loading plate 3 for intersecting setting on horizontal plane, it is described Upper loading plate 3 is equipped with second friction lumen mobile for high-damping shock insulation block 2;It further include several flexible connectors, the elasticity Connector is separately mounted to the inner sidewall of the lateral wall of high-damping shock insulation block 2 and the inner sidewall of the first friction lumen, the second friction lumen Between.Lower loading plate 1 and upper loading plate 3 are respectively equipped with strip with upper loading plate 3 in intersecting setting, lower loading plate 1 on horizontal plane The first friction lumen and the second friction lumen of type, the first friction lumen are oppositely arranged with the second friction lumen, and high-damping shock insulation block 2 is removable Ground is arranged in the first friction lumen and the second friction lumen, exists between high-damping shock insulation block 2 and the first friction lumen, the second friction lumen Certain frictional force, when structure is motivated by lesser ground, frictional force prevents superstructure movement in the horizontal direction, makes Superstructure keeps stablizing;When ground, excitation is more than a certain limit value, horizontal applied force will be more than frictional force, high-damping shock insulation block 2 start to move in the first friction lumen, the second friction lumen, reduce horizontal applied force by friction, reduce superstructure with this and exist The movement of horizontal direction.Meanwhile high-damping shock insulation block 2 bears the energy of superstructure transmitting, the generation of high-damping shock insulation block 2 can be extensive Multiple deformation is absorbed with this and weakens superstructure in the vibration of vertical direction.And flexible connector be separately mounted to high-damping every Shake block 2 lateral wall and the inner sidewall of the first friction lumen, the second friction lumen inner sidewall between, when support shake occur after energy Original position is enough returned to, realizes the function of Self-resetting.
It is further used as preferred embodiment, the flexible connector includes reset spring 4, and the reset spring 4 divides It is not mounted between the inner sidewall of the lateral wall of high-damping shock insulation block 2 and the inner sidewall of the first friction lumen, the second friction lumen, it is described High-damping shock insulation block 2 is made to be respectively at the middle part of the first friction lumen, in the second friction lumen under 4 free state of reset spring Portion.The Impact direction of reset spring 4 is consistent with the length direction of the first friction lumen, the second friction lumen, and reset spring 4 is mounted on height Damp shock insulation block 2 lateral wall and the inner sidewall of the first friction lumen, the second friction lumen inner sidewall between, when high-damping shock insulation block After 2 all around move in the horizontal direction, reset spring 4 is squeezed power, on the one hand, reset spring 4 can play suction The effect for weakening vibration is received, on the other hand, reset spring 4 plays the high-damping shock insulation block 2 after movement the function of Self-resetting. In a case study on implementation, the tower spring small using the big apical ring of base ring of reset spring 4, the apical ring of tower spring resists high-damping The lateral wall of shock insulation block 2, the base ring of tower spring resist the inner sidewall of the inner sidewall of the first friction lumen, the second friction lumen, due to The elastic force of tower spring be not it is linear, tower spring more by compress its bounce it is bigger, when high-damping shock insulation block 2 is in level side After left and right is moved forwards, backwards, shift motion is bigger, and tower spring bounce is bigger, and energy dissipating effect is more effective.
It is further used as preferred embodiment, the high-damping shock insulation block 2 includes upper steel plate 21, lower steel plate 22, rubber Block 23, the rubber block 23 are fixed between upper steel plate 21 and lower steel plate 22.Upper steel plate 21 mainly rises with lower steel plate 22 and holds Load effect, rubber block 23, which is used to absorb, weakens superstructure in the vibration of vertical direction.
Be further used as preferred embodiment, the rubber block 23 uses laminated rubber block, the laminated rubber block by Several layers rubber and several steel plates are intermeshed, are stacked.Since laminated rubber block light plate and rubber layer are mutually viscous It closes, steel plate has constrained effect to rubber layer, and under the action of vertical load, steel plate constraint rubber layer is cooperatively held Vertical load is carried on a shoulder pole, makes rubber support that there is certain vertical bearing capacity and rigidity, when shock isolating pedestal is by horizontal applied force, rubber Layer can provide sizable lateral displacement and non-unstability, thus the energy of effective consumption vibration.Due to sandwich clad steel and rubber The close adhesion of glue-line and the property of rubber itself, laminated rubber block have certain pulling force, so laminated rubber block has water The advantages that flat rigidity is small, horizontal comparison permissible value is big, certain vertical bearing capacity.
It is further used as preferred embodiment, the rear and front end of the lower steel plate 22 is respectively equipped with the first clamping block, institute It states and is respectively equipped with the first groove on the inner sidewall of the rear and front end of the first friction lumen, first clamping block and two the first grooves Clamping.The front and back end of lower steel plate 22 extends to form the first clamping block, and the inner sidewall of the rear and front end of the first friction lumen outward On be respectively equipped with the first groove, the first groove is arranged along the length direction of the first friction lumen, the first clamping block and two it is first recessed Slot clamping, therefore high-damping shock insulation block 2 has the function of that resistance to plucking, high-damping shock insulation block 2 can only move in the horizontal direction.
It is further used as preferred embodiment, the left and right ends of the upper steel plate 21 are respectively equipped with the second clamping block, institute It states and is respectively equipped with the second groove on the inner sidewall of the left and right ends of the second friction lumen, second clamping block and two the second grooves Clamping.The left and right end of lower steel plate 22 extends to form the second clamping block, and the inner sidewall of the left and right ends of the second friction lumen outward On be respectively equipped with the second groove, the second groove is arranged along the length direction of the second friction lumen, the second clamping block and two it is second recessed Slot clamping, therefore upper loading plate 3 has the function of resistance to plucking.
It is further used as preferred embodiment, first groove is located at the bottom of the first friction lumen and the company of inner sidewall Meet place;Second groove is located at the bottom of the second friction lumen and the junction of inner sidewall.First groove, the second groove distinguish position In the bottom of the first friction lumen and junction, the bottom of the second friction lumen and the junction of inner sidewall of inner sidewall, therefore upper steel Plate 21 and lower steel plate 22 can directly be respectively held against the bottom of the first friction lumen and the bottom of the second friction lumen, and the support is in vertical side To bearing capacity greatly improve.
It is further used as preferred embodiment, the high-damping shock insulation block 2 further includes two pieces of polyfluortetraethylene plates 24, and two Block polyfluortetraethylene plate 24 is separately fixed on the upper surface of upper steel plate 21 and the lower end surface of lower steel plate 22, two blocks of polytetrafluoroethylene (PTFE) Plate 24 is respectively held against the bottom of the bottom of the first friction lumen, the second friction lumen.Polyfluortetraethylene plate 24 has extremely superior comprehensive Close performance:High-low temperature resistant (- 192 DEG C -260 DEG C), corrosion-resistant (strong acid, highly basic, chloroazotic acid etc.), high insulation, it is high lubricate, do not adhere to, The good characteristics such as nonhazardous.Therefore, it is inlaid with polytetrafluoro respectively on the upper surface of upper steel plate 21 and the lower end surface of lower steel plate 22 Vinyl plate 24 can be good at the pressure for bearing superstructure transmitting, so support since 24 rigidity of polyfluortetraethylene plate is larger With very high vertical bearing capacity.Meanwhile two pieces of polyfluortetraethylene plates 24 are respectively held against the bottom of the first friction lumen, second The bottom of friction lumen, when high-damping shock insulation block 2 is when direction all around is mobile, since polyfluortetraethylene plate 24 has Gao Run Sliding, inadhesive feature, so the friction hair for reducing high-damping shock insulation block 2 and the first friction lumen, the second friction lumen can also be played Heat.
When work, when structure is motivated by lesser ground, high-damping shock insulation block 2 and the first friction lumen, second Frictional force between friction lumen prevents superstructure movement in the horizontal direction, and superstructure is made to keep stablizing;When ground is motivated When more than a certain limit value, horizontal applied force will be more than frictional force, and high-damping shock insulation block 2 starts to rub in the first friction lumen or second Intracavitary movement reduces horizontal applied force by friction, reduces superstructure movement in the horizontal direction with this.Meanwhile high-damping Shock insulation block 2 bears the energy of superstructure transmitting, and recoverable deformation occurs for rubber block 23, absorbs decrease superstructure with this and exists The vibration of vertical direction, and since 24 rigidity of polyfluortetraethylene plate is larger, it can be good at the pressure for bearing superstructure transmitting Power, so support has very high vertical bearing capacity.When all around, either direction moves high-damping shock insulation block 2 Afterwards, reset spring 4 is squeezed power, on the one hand, reset spring 4, which can play the role of absorbing, weakens vibration, on the other hand, multiple Position spring 4 plays the high-damping shock insulation block 2 after movement the function of Self-resetting.Pass through the first clamping block, the second clamping block point Not with the clamping of the first groove, the second groove, rubber block 23 can only be mobile in four direction all around, and support has resistance to plucking Function.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (8)

1. a kind of reset friction limit shock isolating pedestal, it is characterised in that:Including being equipped with the lower loading plate (1) of the first friction lumen, setting In in the first friction lumen high-damping shock insulation block (2), with lower loading plate (1) in the upper loading plate (3) for intersecting setting on horizontal plane, The upper loading plate (3) is equipped with second friction lumen mobile for high-damping shock insulation block (2);It further include several flexible connectors, The flexible connector is separately mounted to the lateral wall of high-damping shock insulation block (2) and the inner sidewall of the first friction lumen, the second friction Between the inner sidewall of chamber.
2. a kind of reset friction limit shock isolating pedestal according to claim 1, it is characterised in that:The flexible connector packet It includes reset spring (4), the reset spring (4) is separately mounted to the lateral wall and the first friction lumen of high-damping shock insulation block (2) Inner sidewall, the second friction lumen inner sidewall between, high-damping shock insulation block (2) point is made under reset spring (4) free state Other places are in the middle part of the first friction lumen, the middle part of the second friction lumen.
3. a kind of reset friction limit shock isolating pedestal according to claim 1, it is characterised in that:The high-damping shock insulation block (2) include upper steel plate (21), lower steel plate (22), rubber block (23), the rubber block (23) be fixed at upper steel plate (21) with Between lower steel plate (22).
4. a kind of reset friction limit shock isolating pedestal according to claim 3, it is characterised in that:The rubber block (23) is adopted With laminated rubber block, the laminated rubber block is intermeshed by several layers rubber and several steel plates, is stacked.
5. a kind of reset friction limit shock isolating pedestal according to claim 4, it is characterised in that:The lower steel plate (22) Rear and front end is respectively equipped with the first clamping block, and it is recessed to be respectively equipped with first on the inner sidewall of the rear and front end of first friction lumen Slot, first clamping block and two the first grooves are clamped.
6. a kind of reset friction limit shock isolating pedestal according to claim 5, it is characterised in that:The upper steel plate (21) Left and right ends are respectively equipped with the second clamping block, and it is recessed to be respectively equipped with second on the inner sidewall of the left and right ends of second friction lumen Slot, second clamping block and two the second grooves are clamped.
7. a kind of reset friction limit shock isolating pedestal according to claim 6, it is characterised in that:First groove is located at The bottom of first friction lumen and the junction of inner sidewall;Second groove is located at the bottom of the second friction lumen and the company of inner sidewall Meet place.
8. a kind of reset friction limit shock isolating pedestal according to claim 3, it is characterised in that:The high-damping shock insulation block It (2) further include two pieces of polyfluortetraethylene plates (24), two pieces of polyfluortetraethylene plates (24) are separately fixed at the upper end of upper steel plate (21) On the lower end surface of face and lower steel plate (22), two pieces of polyfluortetraethylene plates (24) are respectively held against the bottom of the first friction lumen, second rub Wipe the bottom of chamber.
CN201810809613.8A 2018-07-23 2018-07-23 A kind of reset friction limit shock isolating pedestal Pending CN108842922A (en)

Priority Applications (1)

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CN201810809613.8A CN108842922A (en) 2018-07-23 2018-07-23 A kind of reset friction limit shock isolating pedestal

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Application Number Priority Date Filing Date Title
CN201810809613.8A CN108842922A (en) 2018-07-23 2018-07-23 A kind of reset friction limit shock isolating pedestal

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CN108842922A true CN108842922A (en) 2018-11-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160236A (en) * 2020-10-16 2021-01-01 同济大学 Self-resetting anti-pulling shock insulation support based on spring damper

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09324832A (en) * 1996-06-03 1997-12-16 Sekisui Chem Co Ltd Base isolation device
CN201933399U (en) * 2011-01-14 2011-08-17 衡水震泰隔震器材有限公司 Spherical large-displacement tensile support
CN103850358A (en) * 2014-02-21 2014-06-11 上海大学 Three-dimensional seism isolation system
CN203782881U (en) * 2014-04-18 2014-08-20 北京建筑大学 Shock insulation support
CN104563319A (en) * 2014-12-30 2015-04-29 青岛理工大学 Seismic isolation support with viscoelastic damping balls
CN206784602U (en) * 2017-03-30 2017-12-22 同济大学 A kind of Self-resetting sliding isolated bearing
CN207609022U (en) * 2017-12-12 2018-07-13 中铁第一勘察设计院集团有限公司 Bearing that is a kind of horizontally slidable and being vertically lifted

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09324832A (en) * 1996-06-03 1997-12-16 Sekisui Chem Co Ltd Base isolation device
CN201933399U (en) * 2011-01-14 2011-08-17 衡水震泰隔震器材有限公司 Spherical large-displacement tensile support
CN103850358A (en) * 2014-02-21 2014-06-11 上海大学 Three-dimensional seism isolation system
CN203782881U (en) * 2014-04-18 2014-08-20 北京建筑大学 Shock insulation support
CN104563319A (en) * 2014-12-30 2015-04-29 青岛理工大学 Seismic isolation support with viscoelastic damping balls
CN206784602U (en) * 2017-03-30 2017-12-22 同济大学 A kind of Self-resetting sliding isolated bearing
CN207609022U (en) * 2017-12-12 2018-07-13 中铁第一勘察设计院集团有限公司 Bearing that is a kind of horizontally slidable and being vertically lifted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160236A (en) * 2020-10-16 2021-01-01 同济大学 Self-resetting anti-pulling shock insulation support based on spring damper

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Application publication date: 20181120

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