CN2403813Y

CN2403813Y - Anti-sliding plate type rubber bearing

Info

Publication number: CN2403813Y
Application number: CN 99245334
Authority: CN
Inventors: 舒惠芷
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-17
Filing date: 1999-11-17
Publication date: 2000-11-01
Anticipated expiration: 2009-11-17

Abstract

The utility model discloses an anti-sliding plate type rubber bearing, which comprises a main body of a plate type rubber bearing, and a branch body of the plate type rubber bearing is provided with a fixing component which can make the plate type rubber bearing positioned. When the bearing of the utility model is used, the movement of the bearing can be effectively prevented, and the installing construction is convenient; the utility model can be vertically ranged so as to bear the horizontal force of a bridge, the utility model has the advantages of good positioning and less material consumption, and the utility model has advantage over ordinary rubber block filling. The utility model can raise the anti-sliding ability of the bearing under the action of earthquake load, and the utility model is particularly suitable for areas where earthquake intensity is great.

Description

Anti-skidding laminated rubber bearing

The utility model relates to bridge pad, is specifically related to the bridge laminated rubber bearing, particularly anti-skidding bearing.

Laminated rubber bearing is a kind of novel bridge bearing based on elastomeric rubber.Compare advantage such as laminated rubber bearing has simple structure, handling ease, steel using amount is few, cost is low, easy for installation, reliable working performance with other steel supports.But because laminated rubber bearing is directly to be shelved on Bridge Pier bearing pad stone surface, bridge beam body is directly born in the top, all do not have directly with pier and beam body and to be connected and fixed, therefore when using laminated rubber bearing, the minimum requirement for bearing capacity of an antiskid is arranged, if the vertical force that bearing bears is less than the minimum bearing capacity of antiskid, then in the variations in temperature of bridge beam body, concrete shrinks, under the bearing horizontal force action that factors such as car brakeing power cause, bearing just may produce the horizontal slip displacement, thereby may skid off bearing pad stone face even pier face.

The purpose of this utility model is to provide a kind of anti-skidding laminated rubber bearing, to overcome the deficiency of above-mentioned laminated rubber bearing.

For realizing the purpose of this utility model, the inventor proposes following technical scheme: anti-skidding bearing comprises the laminated rubber bearing main body, and the laminated rubber bearing main body is provided with the positioning element that can make the laminated rubber bearing location.Positioning element is a locating hole.

This bearing effectively overcomes existing neoprene bearing sliding phenomenon.This anti-skidding bearing can be used for the solid slab of prefabrication and lifting, hollowcore slab, split water tank beam support, this class bridge are when adopting common crown circular plate type neoprene bearing, must on the cap that tilts by deck transverse slope, the steel bar concrete bearing pad stone of end face level one by one be set, put crown circular plate type neoprene bearing then on bearing pad stone, the purpose of bearing pad stone end face level is to prevent the bearing slippage.When the cap horizontal wall inscription greater than 2% the time because crown bearing can not adapt to big slope, prefabricated plate-girder beam-ends bottom must be added and water a steel concrete wedge type block, change requirement to adapt to horizontal wall inscription to bearing.As adopt the utility model bearing, and then can cancel all steel bar concrete bearing pad stones, the plate-girder bottom also need not be provided with steel concrete wedge type block, bearing can directly be set on cap, and then lift plate-girder thereon.

Adopt anti-skidding laminated rubber bearing to substitute common laminated rubber bearing, can improve the antiskid kinetic force of bearing under seismic loading greatly, especially be suitable for the big zone of earthquake intensity.

Anti-laminated rubber bearing can vertically be provided with, and bearing the horizontal force of bridge, as is arranged on the side that shockproof retaining is determined.Because it is had good positioning, material usage is few, be better than with the filling of General Purpose Rubber piece.

Therefore anti-skidding laminated rubber bearing only needs can produce original mould correct because simple structure is compared not too big former change with common laminated rubber bearing.

Fig. 1 antiskid plate worker neoprene bearing I utilization structure diagrammatic sketch.

The anti-skidding laminated rubber bearing II of Fig. 2 utilization structure diagrammatic sketch.

Embodiment 1

A face on the laminated rubber bearing main body 1 is offered location blind hole 2, and location blind hole 2 is passed at least and is provided with steel plate 3 in one deck laminated rubber bearing.When this bearing uses, at first on the Bridge Pier cap, locate the pre-buried pin 4 in position of blind hole corresponding to bearing, then when erection support, expose at pin earlier and put the bigger rubber tube of elasticity 5 on the height, after again the location blind hole of neoprene bearing being aimed at pin and being inserted in, can lift the beam body thereon, or the cast-in-place beam body of erection support upper steel plate concrete.Equally, can be at the bottom of beam corresponding to bearing location blind hole fixed-site pin, insert (not shown) in the location blind hole of laminated rubber bearing after when the lifting girder, fixator pins being put rubber tube then.

Embodiment 2

The fixed arm 6 of protrusion is established in the side of laminated rubber bearing main body 1, sets position through hole 7 on the fixed arm.Establish one deck steel plate 8 at least in the fixed arm 6.Steel plate 8 is connected as a single entity with the interior the superiors of laminated rubber bearing main body or orlop steel plate.Be connected as a single entity with orlop steel plate 3 in the present embodiment.When this bearing uses, at the bottom of passing positioning through hole 7 and be fixed on the Bridge Pier cap or be fixed on the girder beam with screw rod 9, lock with nut again.Screw rod 9 can be embedded in the pier cap concrete, also can be on the pier cap boring dilating screw or screw rod is fixed on the pier cap with cementing agents such as epoxy resin.

Claims

1, anti-skidding laminated rubber bearing, it comprises the laminated rubber bearing main body, it is characterized in that it comprises that also the laminated rubber bearing main body is provided with the positioning element that can make the laminated rubber bearing location, positioning element is a locating hole.

2, anti-skidding according to claim 1 laminated rubber bearing is characterized in that positioning element is that a face of laminated rubber bearing offers the location blind hole.

3,, it is characterized in that locating blind hole and pass the steel plate that is provided with in one deck laminated rubber bearing at least as anti-skidding laminated rubber bearing as described in the claim 2.

4, anti-skidding according to claim 1 laminated rubber bearing is characterized in that positioning element establishes the fixed arm of protrusion for the laminated rubber bearing side, sets a position through hole on the fixed arm.

5, as anti-skidding laminated rubber bearing as described in the claim 4, it is characterized in that establishing in the fixed arm one deck steel plate at least, the superiors or orlop steel plate are connected as a single entity in steel plate and the laminated rubber bearing main body.