CN202056243U

CN202056243U - Hydraulic slippage vibration absorption and isolation support

Info

Publication number: CN202056243U
Application number: CN2011200862433U
Authority: CN
Inventors: 寇若拙
Original assignee: Nanjing Institute of Technology
Current assignee: Nanjing Institute of Technology
Priority date: 2011-03-29
Filing date: 2011-03-29
Publication date: 2011-11-30
Anticipated expiration: 2021-03-29

Abstract

The utility model relates to a hydraulic slippage vibration absorption and isolation support and relates to the technical field of slippage vibration absorption. The hydraulic slippage vibration absorption and isolation support comprises an annular outer core (2) positioned between an upper plate (1) and a lower plate (4), a circular inner core (3), hydraulic dampers (5) uniformly arranged along the circumferential direction for connecting the annular outer core (2) and the circular inner core (3); and the circular inner core (3) is provided with an inner core hydraulic oil groove (6) sealed by load on the upper plate (1). The hydraulic slippage vibration absorption and isolation support has the advantage that the technical parameters can be adjusted.

Description

Hydraulic pressure sliding shock-damping damping support

Technical field

The utility model relates to sliding and shock isolation, relates in particular to the shock insulation damping device of sliding isolated bearing of Chinese People's Anti-Japanese Military and Political College's load of the customized parameter that uses hydraulic system.

Background technique

The sliding and shock isolation technology is the emerging damping control technique of nearly of growing up in two, 30 years, it is made up of slippage supporting element and spacing element for energy dissipation usually, has thoroughly overcome " confront the tough with toughnees " Seismic Design Method of formula of conventional construction.But though the shock insulation limit stoper of its setting of research of this class formation reduced to some extent to the purer frictional slip shock isolation system of the maximum slippage of substrate in the past, the earthquake response of its superstructure is corresponding to be increased to some extent.Snubber enters plastic state easily in addition, reset capability is not remarkable, to produce remaining displacement under the shock effect, thus after being arranged, shake can't recover and the nonadjustable defective of technical parameter, and the advantage that this hydraulic pressure sliding shock-damping damping support can recover after having shake, technical parameter is adjustable.

The model utility content

The utility model provides a kind of hydraulic pressure sliding shock-damping damping support, has solved that the back displacement in the wrong that prior art exists is less, restoring force weak, technical parameter is non-adjustable, shake back rapid wear, the undesirable problem of damper effect.

The utility model is installed in the shock insulation layer, comprise be used for the upper plate fixing, be used for the lower plate fixing with shock insulation layer bottom with shock insulation layer top, the annular between upper plate and lower plate outer core, circular inner core, be used to be connected annular outside the hydraulic damper of along the circumferential direction evenly arranging of core and circular inner core; The outer core of annular is fixedlyed connected with upper plate, and circular inner core is fixedlyed connected with lower plate, and the hydraulic damper afterbody links to each other with the outer core of annular, and the hydraulic damper head links to each other with circular inner core; Above-mentioned circular inner core has the inner core hydraulic pressure oil groove by the load sealing of upper plate; The dampener hydraulic oil pipe that also comprises the band modulating valve that links to each other with hydraulic damper; The inner core hydraulic oil pipe that also comprises the band modulating valve that links to each other with inner core hydraulic pressure oil groove.

The utility model has overcome traditional sliding and shock isolation limit stoper increases the earthquake response of superstructure once sliding limit defective, make structure can freely bring into play the advantage that sliding and shock isolation " is free to slide ", can when surpassing permitted value, slippage limit again, and can effectively reduce the relative Horizontal displacement of shock insulation layer, even bearing generation large deformation structure still can set back well, the technical parameter can regulate of the novel damping support of this kind in addition, can when no longer adapting to new operating mode, initial parameter adjust its parameter, overcome in the past the more technical barrier of changing device and large-engineering amount, provide in the actual engineering may for seismic isolation technology is widely applied to.

Description of drawings

Fig. 1 is outer core of the utility model embodiment and inner core ssembly drawing plan view;

Fig. 2 is the utility model embodiment A-A sectional drawing;

Fig. 3 is the utility model embodiment upper plate plan view;

Fig. 4 is the utility model embodiment lower plate plan view;

Fig. 5 is that the utility model embodiment point type is arranged generalized section;

Fig. 6 is the utility model embodiment point type plane of arrangement schematic representation;

Fig. 7 is that the utility model embodiment chip is arranged generalized section;

Fig. 8 is the utility model embodiment chip plane of arrangement schematic representation;

1-upper plate wherein; The outer core of 2-annular; The circular inner core of 3-; The 4-lower plate; The 5-hydraulic damper; 6-inner core hydraulic pressure oil groove; The 7-seal ring; The inner core hydraulic oil pipe of 8-band modulating valve; The dampener hydraulic oil pipe of 9-band modulating valve.

Embodiment

With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in further detail.

Novel sliding type damping support structure mainly contains two-part up and down: top comprises the outer core 2 that is connected with upper plate 1, and the bottom comprises the inner core 3 that is connected with lower plate 4, and the relative combination of two-part is up and down connected by hydraulic damper 5.It is installed in the shock insulation layer, can be used for large-scale, large equipment or building, can be used for base isolation or interlayer shock insulation simultaneously.

Implementation process is as follows:

With upper plate 1 affixed equipment or building, lower plate 4 affixed terrace or bases.

Give the bearing inner core 3 pressurizations with oil hydraulic pump, offset straight down power F2 that bearing on load produce at the power F1 that upper plate 1 produces straight up this moment, makes its F that makes a concerted effort reach design load; Give damper 5 pressurizations with oil hydraulic pump, the damping force of control damper makes its parameter reach design load;

By the pressure of regulator solution press pump, obtain different F and different frictional force f1, regulate damper 5 and obtain different damping power f2, different frictional force f1 can obtain different damping ratio ξ with damping force f2;

Initial time, when the substantially horizontal shock wave vibrated, because F is very little, so f1 is very little, so the basic relatively slippage of superstructure or equipment when after the initial moment, continues slippage under the buffering of damper, whole process duration was T, is 0 up to speed; Definition initial time shock wave is I to the momentum of superstructure or equipment moment generation, then F(shakes the inertial force that produces)=I/T, as can be known, when T is big more, the inertial force that the F(vibrations produce) more little, at this moment, system part before the vibrations input can be passed to structure discharges and absorbs its energy, finally reduce the requirement power consumption value of structural system, reached the earthquake isolation effect.

Shake rear support two-part up and down is subjected to displacement deformation, continues this moment to give the pressurization of inner core hydraulic pressure cavity, offsets load, and the F that makes a concerted effort this moment is very little, by the hydraulic regulation damper, it is set back.

According to the situation after the shake, adjust the pressure and the damper parameter of hydraulic pressure cavity according to new operating mode.

Certainly, the utility model hydraulic pressure sliding shock-damping damping support not only is confined to above embodiment, as long as adopt the hydraulic pressure sliding shock-damping damping support of said structure, all falls into the scope of the utility model hydraulic pressure sliding shock-damping damping support protection.

Claims

1. hydraulic pressure sliding shock-damping damping support, be installed in the shock insulation layer, it is characterized in that: comprise being used for the upper plate (1) fixing, being used for the lower plate (4) fixing, being positioned at annular outer core (2), circular inner core (3) between upper plate (1) and the lower plate (4), being used to be connected the hydraulic damper (5) of evenly arranging along circumference of annular outer core (2) and circular inner core (3) with shock insulation layer bottom with shock insulation layer top;

The outer core of annular (2) is fixedlyed connected with upper plate (1), and circular inner core (3) is fixedlyed connected with lower plate (4), and hydraulic damper (5) afterbody links to each other with the outer core of annular (2), and hydraulic damper (5) head links to each other with circular inner core (3);

Above-mentioned circular inner core (3) has the inner core hydraulic pressure oil groove (6) by the load sealing of upper plate;

The dampener hydraulic oil pipe (9) that also comprises the band modulating valve that links to each other with hydraulic damper (5);

The inner core hydraulic oil pipe (8) that also comprises the band modulating valve that links to each other with inner core hydraulic pressure oil groove (6).