CN2479096Y

CN2479096Y - Spring rubber damper

Info

Publication number: CN2479096Y
Application number: CN 01222835
Authority: CN
Inventors: 刘志鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-29
Filing date: 2001-04-29
Publication date: 2002-02-27
Anticipated expiration: 2011-04-29

Abstract

A damping device with springs and a rubber sheet comprises two compression boards, a rubber sheet, a first spring, a second spring and pluralities of screws. The rubber sheet is arranged between the two compression boards, and the upper end and the lower end of the rubber sheet are in engagement with horizontal supporting slots which are provided between the two compression boards. The second spring is arranged outside the first spring, and the two springs are provided in a hollow portion of the rubber sheet. These screws are fixed through and connected between the two compression boards, thereby the two compression boards, the rubber sheet and the two springs are assembled together, forming into the damping device with springs and a rubber sheet. The device has the advantages of economical and easy-obtaining raw materials, high quality of property, and perfect property of stability, maintenance-free utilization and long working life.

Description

A kind of spring rubber cushion assembly

The utility model relates to a kind of spring rubber cushion assembly, particularly a kind of spring rubber cushion assembly (isolator) that can be applicable to the light-type civil engineering structure.

Exclude the requirement and the existing long-range history of countermeasure of vibration effect, scope is also wide, for example: the pad of tables and chairs, the vibrations that produced with spring region vibration isolation motivation, the shock absorber of automobile etc. all is identical notion, to its objective is in order supporting but will to reduce the impact of energy, thus on the one hand must supporting, then need damping on the one hand.

Isolator is used for building construction, and existing suitable history also has suitable achievement, and in recent years because earthquake serious, the technology of shock insulation development and standard are progressive day by day.

Along with world development, need add power general general being divided into, and as AMD, TMD, BMD, reaches the shock isolation systems such as RB, LRB that need not add power, and these systems mostly apply to the building construction that weight is big, importance is high, as bridge, hospital, museum etc.

Said system is along with importance is high, the building construction development that weight is big, its technical height, effect are good, may be praised highly by common people, but price general charged costliness, popularization are low, and earthquake generation heavy casualties, general local-style dwelling houses proportion height, for making the general common people avoid the injures and deaths that earthquake causes, again can be economical and popularize the device isolator, the utility model is released the economic spring rubber cushion assembly (isolator) that is used for the light weight building construction.

The purpose of this utility model is to provide a kind of spring rubber cushion assembly, and its raw material economics obtains easily, and the utilization property of raw material is under the simple combination situation, produces that performance height, stability are good, to exempt from maintenance, operating period long; Exempt from power, electric power, and have good load-carrying support function, horizontal resiliency function, recovery function, subtract decline vibration function and braking function.

In order to achieve the above object, the utility model provides a kind of spring rubber cushion assembly, comprise two resistance to compression plate bodys, one rubber, one first spring, one second spring and most bolts, this two resistance to compressions plate body is located at respectively, the below, this two resistance to compressions plate body medial surface is provided with most horizontal support sheets, the inner hollow bulb that forms of this rubber, this rubber is arranged between the two resistance to compression plate bodys, this rubber upper end and lower end also are matched with between the horizontal support sheet of two resistance to compression plate bodys, this second spring is located at the first spring outside, this two spring also is arranged in the hollow bulb of rubber, these bolts are arranged between the two resistance to compression plate bodys, with two resistance to compression plate bodys, rubber and two groups of springs are fitted together, and form a spring rubber cushion assembly whereby.

Wherein, this resistance to compression plate body is made by steel plate, and the link piece of this resistance to compression plate body is L matrix body, which is provided with a plurality of connect apertures; This first spring and second spring are the compression spring.

Spring rubber cushion assembly of the present utility model has following plurality of advantages: raw material economics obtains easily; The utilization property of raw material produces that performance height, stability are good, to exempt from maintenance, operating period long under the simple combination situation; Exempt from power, electric power; Function-with the isolator of high stiffness spring reinforcement is supported in load-carrying, relies on the support of buildings that rubber monomer can also be more firm; Strong high-frequency the rocking of horizontal resiliency function-earthquake transfers slowly submissive rocking to; After restoring function-earthquake calmness, rubber and spring have the ability of recovery, make building return back to original position; Subtract that the vibration function that declines-violent the rocking of building can decay; Braking function-utilize bolt suppresses rocking except that earthquake, as wind lift etc.

In order to understand technical characterictic of the present utility model and effect better, particular content of the present utility model and embodiment are further described in detail below in conjunction with accompanying drawing.Yet accompanying drawing only provide with reference to and explanation, be not to be used for to the utility model limitr in addition.

Fig. 1 is a three-dimensional combination figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a sectional view of the present utility model;

Fig. 4 is a user mode schematic diagram of the present utility model.

As Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides a kind of spring rubber cushion assembly, comprise two resistance to compression plate bodys 10, a rubber 20, one first spring 30, one second spring 40 and most bolts 50, resistance to compression plate body 10 wherein is made by the preferable metal plate of steel plate equal strength, the shape that it is rounded or other is suitable, this two resistance to compressions plate body 10 is located at upper and lower respectively, keeps suitable spacing between the two resistance to compression plate bodys 10.These two resistance to compressions plate body, 10 lateral surfaces are provided with most link piece 11, this link piece 11 is L matrix body, it is fixed on the resistance to compression plate body 10 in modes such as welding, this link piece 11 is provided with most connect apertures 12, can be in order to link (as shown in Figure 4), so that be arranged between superstructure thing 60 and the substructure thing 70 with superstructure thing 60 and substructure thing 70.These two resistance to compressions plate body, 10 medial surfaces are provided with most horizontal support sheets 13, and it is fixed on the resistance to compression plate body 10 in modes such as welding.

Rubber 20 is hollow cylindrical, the inner hollow bulb 21 that forms, this rubber 20 is arranged between the two resistance to compression plate bodys 10, and these rubber 20 upper ends and lower end also are matched with 13 of the horizontal support sheets of two resistance to compression plate bodys 10, provide the rubber support force that 20 horizontal directions stop to borrow horizontal support sheet 13.

First spring 30 and second spring 40 are the compression spring, the coil diameter of first spring 30 is less than the coil diameter of second spring 40, promptly first spring 30 and second spring 40 form one little one big spring, and second spring 40 is sheathed on first spring, 30 outsides, can be described as the primary-secondary type spring, this first spring 30 and second spring 40 are arranged in the hollow bulb 21 of rubber 20, and first spring 30 and second spring 40 are also between two resistance to compression plate bodys 10.

Bolt 50 is arranged between the two resistance to compression plate bodys 10, is positioned at rubber 20 outside suitably distances, so as to two resistance to compression plate bodys 10, rubber 20, first spring 30 and second spring 40 are fitted together; Form spring rubber cushion assembly of the present utility model by above-mentioned composition.

The utility model spring rubber cushion assembly, main concept is the damper that significantly alleviates at the superstructure thing and damper evenly distributes and uses when disposing, with rubber, spring and resistance to compression plate body (steel plate) combination, add under the kinetic energy need not controlling automatically, can produce shock insulation usefulness via compound mode, its aufbauprinciple is used as spool a power supporting and a transversal force damping with the elastic characteristic of rubber and spring and the syntagmatic of resistance to compression plate body, links opposing structure climbing power (as wind-force) with bolt.

Known shatter-proof design concept, Special attention will be given to is that to be enough to resist the seismic forces energy impact be main to design strength, in the relevant laws and regulations no matter be which kind of analytic approach all with " power one intensity " of building for mainly considering, but in recent years because material science is constantly progressive, macromolecule viscous damping fluid device newly developed, magnetoelectricity fluid damper etc., its energy subtracts the performance that declines and becomes better and better, adding control technology constantly upgrades, as ACTIVE CONTROL, Passive Control, acceleration is feedback and is controlled, low-power control etc., and the raising of coordinative construction quality and technology, so shatter-proof idea installs shock insulation additional to be changed into by known simple rigid construction, vibration damper is adjusted the seismic energy of decay part, and then the shock resistance of raising building, advanced country such as America and Europe is with in the rules standard in addition, also with shatter-proof design analysis emphasis, be placed on the works lateral displacement, on the projects such as the relative lateral displacement of interlayer, thus when earthquake attacks, the energy-dissipating and shock-absorbing system, can bring into play the function of expection, reduce shake can be directly to the effect of building construction.

The utility model adopts the design concept of base isolation, can directly impact building to reduce shake, can be considered three parts when shock isolation system is analyzed and form having, from top to bottom be followed successively by superstructure thing, shock isolation system, substructure thing, and shock isolation system is with a little less than a relative horizontal stiffness is provided in overall structure, make the transversal force distribution scenario of time spent on structure so as to regulating external force, utilize the damper in the shock isolation system in addition, also can bring into play the situation that the decay shake can be imported, to improve whole shatter-proof ability.

The basic principle of the shatter-proof design of the utility model is that building is remained in the elastic limit when the moderate earthquake, allows the generation plastic strain during violent earthquake, but tough sexual demand must not design the total transversal force of minimum earthquake above allowing the toughness capacity

(V) calculate according to following formula

V＝Zd×C×W

Zd＝Z×I/(1.4×αy×Fu)

Zd: design ground surface acceleration factor is the ratio of design face of land horizontal acceleration and gravity acceleration g

C: worker location normalization horizontal acceleration reflection spectral coefficient

W: the whole net weight of loads of building, movable compartment should count 75Kg/M2

Z: earthquake region horizontal acceleration coefficient, represent the worker location to return the phase, the horizontal acceleration surface of the earthquake in 475 years is the ratio that gravity quickens

I: purposes coefficient

α y: the initial seismic forces multiplication factor of subduing, general steel work α y=1.2, reinforced concrete structure α y=1.5

Fu: structural system seismic forces reduction coefficient

For the shatter-proof ability of works, also relevant with its cycle, for long-term vibration system, elastic system and the rough Fu=R that equates of elastoplasticity system maximum power displacement, for short-term vibration system, rough the equating of energy of elastic system and the absorption of elastoplasticity system

Fu＝√

2R-1

With three building rooms, 60 level grounds is example: heavily about 500 tons of known construction, design 10 pillars approximately, and every pillar need bear about 50 tons weight.And light construction weight is about 100 tons, if be furnished with pillar more than 40, every pillar only need bear 2.5 tons weight, and both differ more than 20 times.Supporting force requirement or causing all of differential settlement with respect to the stratum are significantly reduced.

Spring rubber cushion assembly of the present utility model has following plurality of advantages:

1, raw material economics obtains easily;

2, the utilization property of raw material is under the simple combination situation, produces that performance height, stability are good, to exempt from maintenance, operating period long;

3, exempt from power, electric power;

4, function-with the isolator of high stiffness spring reinforcement is supported in load-carrying, relies on the support of buildings that rubber monomer can also be more firm;

5, strong high-frequency the rocking of horizontal resiliency function-earthquake transfers slowly submissive rocking to;

6, after recovery function-earthquake calmness, rubber and spring have the ability of recovery, make building return back to original position;

7, subtract that the vibration function that declines-violent the rocking of building can decay;

8, braking function-utilize bolt suppresses rocking except that earthquake, as wind lift etc.

Therefore, the utility model product is rare utility model product, so file an application according to Patent Law.

Only be preferable possible embodiments of the present utility model in sum, non-so promptly be confined to claim of the present utility model, so the equivalent structure that uses the utility model manual and graphic content to do such as changes, and all in like manner all is contained in the scope of the present utility model.

Claims

1, a kind of spring rubber cushion assembly is characterized in that, comprising:

Two resistance to compression plate bodys, it is located at upper and lower respectively, and described two resistance to compression plate body medial surfaces are provided with a plurality of horizontal support sheets;

One rubber, its inner hollow bulb that forms, described rubber is arranged between the described two resistance to compression plate bodys, and described rubber upper end and lower end also are matched with between the horizontal support sheet of described two resistance to compression plate bodys;

One first spring and one second spring, described second spring are located at the described first spring outside, and described first spring and second spring also are arranged in the hollow bulb of described rubber; And

A plurality of bolts, it is linked between the described two resistance to compression plate bodys, and described two resistance to compression plate bodys, rubber, first spring and second groups of springs are fitted together.

2, spring rubber cushion assembly as claimed in claim 1 is characterized in that, described resistance to compression plate body is made by steel plate.

3, spring rubber cushion assembly as claimed in claim 1 is characterized in that, the link piece of described resistance to compression plate body is L matrix body, which is provided with a plurality of connect apertures.

4, spring rubber cushion assembly as claimed in claim 1 is characterized in that, described first spring and second spring are the compression spring.