It is replaceable to subtract shock insulation rubber bearing and installation and the replacing options of the bearing
Technical field
The invention belongs to bridge pad and installation and change bridge pad method and technology field, more particularly to it is replaceable subtract every
Installation and the replacing options of shake rubber support and the bearing.
Background technology
In recent years, as the increasing of infrastructure investment, highway engineering construction have obtained fast development, isolation rubber branch is subtracted
Seat is widely applied.It is essentially all that rubber support is constituted by being vertically connected with steel plate and support body to subtract shock insulation rubber bearing, up and down
Junction steel plate is connected by bolt collar with beam body and pinner.
In installation process, because pinner and beam body position have error, position skew between screw and screw rod causes peace
Dress is difficult.Error can cause the bolt can not to insert in screw, it is necessary to screw is expanded when serious, influence installation progress.
Because rubber product has certain service life, it is impossible to reach the bridge equivalent life-span, it is necessary to change.Current
Bearing can occur different shear displacemants in use, and beam body and pinner position are moved, upper and lower due to new bearing
There is no detrusion in junction steel plate, because bearing horizontal force is too big during replacing time, it is impossible to bearing is installed after shearing, so branch
Seat connecting plate can not be connected with beam body by bolt collar.In order to connect upper junction steel plate and beam body, by upper junction steel plate and beam
Body is welded, and this method has following defect:First, welding easily damages bearing and beam body, the corrosion resistant of beam body and bearing is caused
Corrosion can be reduced, and reduce the service life and performance of beam body and bearing;Second, welding quality is it cannot be guaranteed that big during bearing earthquake
Horizontal force and lift-off power;Third, need beam body and the upper junction steel plate that will be welded together to separate when changing again, difficulty of construction
Greatly, waste time and energy.
Number of patent application is:201310540622.9, notification number is:CN103572695A, publication date is:2 months 2014
12, patent name was:Subtract shock insulation branch patent application with prebias component, adjusting bearing by jack system shears change
Shape is theoretically feasible, but too big in the power needed for practice process bearing detrusion, and adjustment detrusion can not possibly be realized.Adjust
The installations and facilities of whole deformation can not be used in the bearing useful space, and adjusting device cost is too high in addition.Patent No.
201310111776.6, notification number is:CN103215890A, publication date is:On 07 24th, 2013, patent name was:It is a kind of
New Isolation Bearing and its replacing options, involved is installation and the replacing options under bearing normal condition, it is impossible in branch
Change and install under seat detrusion state.Patent No. 201010231810.X, notification number is:CN101906883A, publication date
For:On December 8th, 2010, patent name is:Replacing method of shock-insulation supporting seat, the shock isolating pedestal being related to is changed using measurement lower margin hole
Method change, during bearing use, the detrusion of each bearing is different, and detrusion is varied with temperature and become
Change, size is measured by each, connecting plate is done again unrealistic.The pre-buried board size of existing structure is limited simultaneously can not accomplish
Connecting plate is corresponding with embedded board lower margin hole.
The content of the invention
First technical problem that the present invention is solved just be to provide a kind of long service life, change it is convenient it is replaceable subtract every
Shake rubber support.
In order to solve the above technical problems, the present invention it is replaceable subtract technical scheme that shock insulation rubber bearing uses for:
Including the rubber support body with upper junction plate and lower connecting plate, upper base plate is provided with above the upper junction plate,
Be provided with below upper base plate on the outside of the upper junction plate two inside parallels first baffle and two the of inside parallel
The medial surface of two baffle plates, two first baffles and two second baffles surrounds rectangle, in the first gear described in two
Side-lower is provided with lower crisperding in plate, and the lower crisperding forms draw-in groove, the both sides of the upper junction plate with the upper base plate lower surface
In the described draw-in groove of insertion, at least one horizontal screw is respectively arranged with the second baffle described in two, in the transverse direction
Adjustable puller bolt is set in screw, and the puller bolt withstands on the upper junction plate side, in two first gear
In plate and the second baffle described in two at least one piece first baffle or second baffle by the first fastening bolt with it is described on
The dismantled and assembled fixation of seat board.
Its additional technical feature is:
Locking nut is provided with puller bolt on the inside of the second baffle;
Backing plate is provided between the puller bolt and the upper junction plate;
Two first baffles and the second baffle described in two are dismantled and assembled with the upper base plate by the first fastening bolt
It is fixed.
Second technical problem that the present invention is solved just is to provide a kind of above-mentioned replaceable installation for subtracting shock insulation rubber bearing
Method.
In order to solve the above technical problems, the technical scheme that the replaceable installation method for subtracting shock insulation rubber bearing of the present invention is used
For:
The first step, fixed lower connecting plate
Support body is placed on pinner, lower connecting bolt is inserted in the lower embedded sleeve barrel in pinner, by lower connection spiral shell
With pinner be fixedly connected lower connecting plate by bolt;
Second step, upper base plate is stuck on upper junction plate
The first fastening bolt on first baffle or second baffle is unclamped, upper base plate is arranged on upper junction plate top;
3rd step, fixed upper base plate
Upper connecting bolt is inserted in the upper embedded sleeve barrel in beam body, upper base plate is fixed in beam body by upper connecting bolt;
4th step, fixed upper junction plate
According to upper junction plate position, puller bolt is adjusted, puller bolt end is held out against the side of upper junction plate.
Its additional technical feature is:
In the 4th step, behind the side that puller bolt end holds out against upper junction plate, locking nut is locked;
In the 4th step, upper junction plate apart from the second baffle inner distance it is larger when, can connect on described
Fishplate bar and to hold out against and be provided with backing plate between nut.
The present invention solve the 3rd technical problem be just to provide it is a kind of it is above-mentioned it is replaceable subtract shock insulation rubber bearing replacing
Method.
In order to solve the above technical problems, the technical scheme that the replaceable replacing options for subtracting shock insulation rubber bearing of the present invention are used
For:
The method comprises the following steps:
The first step, checks whether upper base plate damages
If upper base plate is damaged, first upper base plate is screwed off with the upper connecting bolt of beam body, then by the lower company of lower connecting plate and pinner
Connecting bolt is screwed off, and the support body with upper base plate is pulled out, and changes upper base plate, and upper base plate is tight by upper connecting bolt with beam body
Gu, first baffle or the fastening bolt of second baffle first are screwed off, first baffle or second baffle are removed, then immediately proceed to
3rd step;
If upper base plate is not damaged, second step is directly entered;
Second step, unloads old support body
, first baffle and upper base plate are dismantled and assembled be fixedly connected in the case of, first the first fastening bolt is screwed off, by first
Baffle plate is removed, and then unscrews the puller bolt of the upper junction plate both sides of old bearing, by the lower company between lower connecting plate and pinner
Connecting bolt is unclamped, and old bearing is pulled out;
, second baffle and upper base plate are dismantled and assembled be fixedly connected in the case of, directly the first fastening bolt is screwed off, by
Two baffle plates are removed, and the lower connecting bolt between lower connecting plate and pinner is unclamped, and then pull out old bearing;
3rd step, new support body is loaded
New support body is in place, lower connecting plate is fixedly connected with pinner by lower connecting bolt,
4th step, upper junction plate is held out against with puller bolt
Formerly first baffle or second baffle are fixed by the first fastening bolt, according to upper junction plate position, adjustment holds out against spiral shell
Bolt, makes puller bolt end hold out against the side of upper junction plate.
Its additional technical feature is:
In the 4th step, behind the side that puller bolt end holds out against upper junction plate, locking nut is locked;
In the 4th step, upper junction plate apart from the second baffle inner distance it is larger when, can connect on described
Fishplate bar and to hold out against and be provided with backing plate between nut.
It is provided by the present invention it is replaceable subtract shock insulation rubber bearing compared with prior art, with advantages below:First, by
In including the rubber support body with upper junction plate and lower connecting plate, upper base plate is provided with above the upper junction plate,
Upper base plate lower section on the outside of the upper junction plate be provided with two inside parallels first baffle and two the second of inside parallel
The medial surface of baffle plate, two first baffles and two second baffles surrounds rectangle, in the first baffle described in two
Interior side-lower is provided with lower crisperding, and the lower crisperding forms draw-in groove with the upper base plate lower surface, and the both sides of the upper junction plate are inserted
Enter in described draw-in groove, at least one horizontal screw is respectively arranged with the second baffle described in two, in the horizontal spiral shell
Adjustable puller bolt is set in hole, and the puller bolt withstands on the upper junction plate side, in two first baffles
Pass through the first fastening bolt and the seat of honour with least one piece first baffle in the second baffle described in two or second baffle
The dismantled and assembled fixation of plate, when mounted, can fix upper base plate, lower connecting plate, and upper base plate is put with beam body and pinner respectively
In upper junction plate top, the then position adjustments puller bolt according to upper junction plate, by puller bolt by upper junction plate and upper
Seat board is fixed, so, it is to avoid the bearing installation difficulty caused by the error between beam body and pinner, improves installation rate;
Support body breaks down when needing to change, and the first baffle or second baffle with the dismantled and assembled connection of upper base plate is pulled down, then
The bearing of damage is unloaded, after replacing with new support body, first lower connecting plate is fixed with pinner, then by the pull down and seat of honour
The first baffle or second baffle of the dismantled and assembled connection of plate are loaded onto, and according to upper junction plate position, adjust puller bolt, make puller bolt
End holds out against the side of upper junction plate, and after beam body and pinner position misplace, the bearing after replacing is remained able to easily
Ground is installed, and the distance on the inside of the upper junction plate side to second baffle of the bearing after simply changing changes, and is changed more square
Just it is quick, solve the problems, such as to need to punch again or weld during existing bearing replacement, the bearing after replacing is kept former
Some performances, and bearing and beam body will not be damaged in Renewal process, extend the service life of bearing and beam body;Its
Two, due to being provided with locking nut on the puller bolt on the inside of the second baffle, after the completion of installation or replacing, will lock
Nut check, it is to avoid puller bolt loosens during vibration of supports, causes bearing upper junction plate to fix very well, on ground
When shake etc. occurs, subtract shock insulation rubber bearing and lose original performance;Third, due in the puller bolt and the upper junction plate
Between be provided with backing plate, when upper junction plate lateral distance second baffle is in larger distance, fixed if only by puller bolt,
The distance that puller bolt stretches out second baffle is oversize, when the cross shear that bearing is subject to is larger, the easy bending of puller bolt,
Puller bolt stretches out second baffle distance and shortens after upper padding plate is set, and increases anti-horizontal shear ability;Fourth, due to two
The first baffle and the second baffle described in two by the first fastening bolt and the dismantled and assembled fixation of the upper base plate, this
Sample, can select to be easy to the side first baffle or second gear of construction according to bearing installation site and bearing peripheral space size
Plate is pulled down, and construction more facilitates.
Brief description of the drawings
Fig. 1 is the existing use state figure subtracted after shock insulation rubber bearing damage;
Fig. 2 is the replaceable structural representation for subtracting shock insulation rubber bearing of the present invention;
Fig. 3 is the structural representation of the B-B sectional views of Fig. 2;
Fig. 4 is amplification decomposition figure at the A of Fig. 2;
Fig. 5 is the amplification decomposition figure of another structure at the A of Fig. 2;
Fig. 6 is that the present invention is replaceable subtracts the structural representation after shock insulation rubber bearing is installed;
Fig. 7 is the replaceable structural representation subtracted after shock insulation rubber bearing detrusion of the present invention;
Fig. 8 is that the present invention is replaceable subtracts the structural representation after shock insulation rubber bearing is changed.
Specific embodiment
The replaceable structure and use principle for subtracting shock insulation rubber bearing of the present invention is done further in detail below in conjunction with the accompanying drawings
Explanation.
As shown in figure 1, subtract the use state figure after shock insulation rubber bearing is damaged for existing, due to temperature change, earthquake
Or under the conditions of external force is collided etc., beam body 1 and the position occurred level movement of pinner 2 are caused to subtract shock insulation rubber bearing body 3 and easily sent out
Raw detrusion, makes the run-off the straight of support body 3, if bearing now is damaged loses original bearing performance, it is necessary to change.By
Do not inclined in new bearing, therefore when changing, screw on the upper junction plate 4 of support body 3 is not right with screw in beam body 1
Should, cannot using the screw in beam body, it is necessary to punch in beam body again again, because operating space is limited, therefore punching difficulty is big,
Waste time and energy.Or weld together beam body 1 and upper junction plate 4, so, tensile strength is low after welding, and welding can also
To beam body and the protection damage layer of upper junction plate, the corrosion resistance of beam body and upper junction plate is reduced, shorten beam body and bearing
Service life.
As shown in Figures 2 and 3, it is the replaceable structural representation for subtracting shock insulation rubber bearing, the present invention is replaceable to subtract shock insulation
Rubber support includes the rubber support body 7 with upper junction plate 5 and lower connecting plate 6, is provided with the top of upper junction plate 5
Seat board 8, two first baffles 9 and two second baffles 10, two are provided with the lower section of the upper base plate 8 in the outside of upper junction plate 5
The medial surface of first baffle 9 and two second baffles 10 surrounds rectangle, and the interior side-lower of two first baffles 9 is provided with lower hook
Side 11, the lower crisperding 11 and the lower surface of upper base plate 8 form draw-in groove 12, in the both sides insertion draw-in groove 12 of upper junction plate 5, at two the
At least one horizontal screw 13 is respectively arranged with two baffle plates 10, adjustable puller bolt 14 is set in horizontal screw 13,
Puller bolt 14 withstands on the side of upper junction plate 5, at least one piece first gear in two first baffles 9 and two second baffles 10
Plate 9 or second baffle 10 are by the first fastening bolt 15 and the dismantled and assembled fixation of upper base plate 8.
As shown in fig. 6, when mounted, support body 7 is placed on pinner 2, lower connecting bolt is inserted in pinner 2
In lower embedded sleeve barrel 20, lower connecting plate 6 is fixedly connected with pinner 2 by lower connecting bolt;Upper connecting bolt is inserted into beam body
In upper embedded sleeve barrel 21 in 1, upper base plate 8 is fixed in beam body 1 by upper connecting bolt;And upper base plate 8 is placed in upper company
The top of fishplate bar 5, the then position adjustments puller bolt 14 according to upper junction plate 5, by puller bolt 14 by upper junction plate 5 and upper
Seat board 8 is fixed, so, it is to avoid the installation difficulty of support body 7 caused by the error between beam body 1 and pinner 2, improves installation
Speed.
As shown in fig. 7, being the replaceable structural representation subtracted after shock insulation rubber bearing detrusion of the present invention.In bearing sheet
When body 7 breaks down, beam body 1 and pinner 2 misplace, and support body 7 is along along the bridge detrusion.When needing to change, will
First baffle 9 or second baffle 10 with the dismantled and assembled connection of upper base plate 8 are pulled down, and then unload the support body 7 of damage, are changed
After upper new support body 7, first lower connecting plate 6 is fixed with pinner 2, then will pull down the with the dismantled and assembled connection of upper base plate 8
One baffle plate 9 or second baffle 10 are loaded onto, and according to the position of upper junction plate 5, adjust puller bolt 14, push up the end of puller bolt 14
The side of tight upper junction plate 5.As shown in figure 8, replaceable subtracting shock insulation rubber bearing for what is more finished changing.In beam body 1 and the position of pinner 2
After misplacing, the support body 7 after replacing remains able to easily install, the upper company of the support body 7 after simply changing
The side of fishplate bar 5 changes to the distance of the inner side of second baffle 10, changes more convenient, when solving existing bearing replacement
The problem for needing to punch again or weld, enables the bearing after replacing to keep original performance, and in Renewal process not
Support body and beam body can be damaged, extend the service life of bearing and beam body.
Locking nut 16 is provided with the puller bolt 14 of the inner side of second baffle 10, after the completion of installation or replacing, will
Locking nut 16 is locked, it is to avoid puller bolt 14 loosens during vibration of supports, causes bearing upper junction plate fine
It is fixed, when earthquake etc. occurs, subtract shock insulation rubber bearing and lose original performance.
Backing plate 17 is provided between puller bolt 14 and upper junction plate 10, in the lateral distance second baffle of upper junction plate 5
10 it is in larger distance when, fixed if only by puller bolt 14, the distance that puller bolt 14 stretches out second baffle 10 is oversize, when
When the horizontal shear force that support body 7 is subject to is larger, the easy bending of puller bolt 14, the puller bolt 14 after upper padding plate 17 is set
Stretch out the distance of second baffle 10 to shorten, increase anti-horizontal shear ability.
Two first baffles 9 and two second baffles 10 pass through the first fastening bolt and the dismantled and assembled fixation of upper base plate 8, this
Sample, can select to be easy to the side first baffle 9 or second gear of construction according to bearing installation site and bearing peripheral space size
Plate 10 is pulled down, and construction more facilitates.
First baffle 9 and lower crisperding 11 can be structure as a whole.In order to process and convenient disassembly, as shown in Figure 3 and Figure 4,
First baffle 9 is flat board, and lower crisperding 11 is " L " type, and first baffle 9 is connected with lower crisperding 11 by the second fastening bolt 22,
Can be as shown in figure 5, first baffle 9 and lower crisperding 11 are flat board, interval being provided between first baffle 9 and lower crisperding 11
Plate 19, first baffle, space bar 19 and lower crisperding 11 are fixedly connected by the second fastening bolt 22.Certainly, first baffle 9 and
Dividing plate 19 can be structure as a whole.
The above-mentioned replaceable installation method for subtracting shock insulation rubber bearing, the method comprises the following steps:
The first step, fixed lower connecting plate 6
Support body 7 is placed on pinner 2, lower connecting bolt is inserted in the lower embedded sleeve barrel 20 in pinner 2, by lower company
With pinner 2 be fixedly connected lower connecting plate 6 by connecting bolt;
Second step, upper base plate 8 is stuck on upper junction plate 5
The first fastening bolt 15 on first baffle 9 or second baffle 10 is unclamped, upper base plate 8 is arranged on upper junction plate 5
Side;
3rd step, fixed upper base plate 8
Upper connecting bolt is inserted in the upper embedded sleeve barrel 21 in beam body 1, upper base plate 8 is fixed on by beam body by upper connecting bolt
On 1;
4th step, fixed upper junction plate
According to the position of upper junction plate 5, puller bolt 14 is adjusted, the end of puller bolt 14 is held out against the side of upper junction plate 5.
As a further improvement, in the 4th step, after the end of puller bolt 14 holds out against the side of upper junction plate 5, will lock
Tight nut 16 is locked.
In the 4th step, upper junction plate 5 apart from the inner distance of second baffle 10 it is larger when, can be in upper junction plate 5
And to hold out against and be provided with backing plate 17 between nut 14.
The following is the above-mentioned replaceable replacing options for subtracting shock insulation rubber bearing:
If upper base plate 8 is damaged, first the upper base plate 8 of damage can be changed from beam body 1, then replace with the new seat of honour
Plate 8, then replacing time body 7 in accordance with the following methods.When upper base plate is not damaged, replacing time body 7 is only needed.
The method comprises the following steps:
The first step, checks whether upper base plate 8 damages
If upper base plate 8 is damaged, first upper base plate 8 is screwed off with the upper connecting bolt of beam body 1, then by lower connecting plate 6 and pinner 2
Lower connecting bolt is screwed off, and the support body 7 with upper base plate 8 is pulled out, and changes upper base plate 8, upper base plate 8 with beam body 1 by upper
Connecting bolt is fastened, and the first fastening bolt of first baffle 9 or second baffle 10 is screwed off, by first baffle 9 or second baffle
10 remove, and then immediately proceed to the 3rd step;
If upper base plate 8 is not damaged, second step is directly entered;
Second step, unloads old support body
, first baffle 9 is dismantled and assembled with upper base plate 8 be fixedly connected in the case of, first the first fastening bolt 15 is screwed off, will
First baffle 9 is removed, and then unscrews the puller bolt 14 of the both sides of upper junction plate 5 of old bearing, by lower connecting plate 6 and pinner 2
Between the first fastening bolt unclamp, old support body 7 is pulled out;
, second baffle 10 is dismantled and assembled with upper base plate 8 be fixedly connected in the case of, directly the first fastening bolt 15 is screwed off,
Second baffle 10 is removed, the first fastening bolt between lower connecting plate 6 and pinner 2 is unclamped, then draw old support body 7
Go out;
3rd step, new support body 7 is loaded,
New support body 7 is in place, lower connecting plate 6 is fixedly connected with pinner 2 by fixing bolt,
4th step, upper junction plate is held out against with puller bolt
Formerly first baffle 9 or second baffle 10 are fixed by the first fastening bolt 15, according to the position of upper junction plate 5, adjustment
Puller bolt 14, makes the end of puller bolt 14 hold out against the side of upper junction plate 5.
As the further improvement of this method, in the 4th step, the side of upper junction plate 10 is held out against in the end of puller bolt 14
Behind face, locking nut 16 is locked.
In the 4th step, upper junction plate 5 apart from the inner distance of second baffle 10 it is larger when, can be in upper junction plate 5
And to hold out against and be provided with backing plate 17 between nut 14.
Protection scope of the present invention is not limited solely to above-described embodiment, as long as structure is replaceable with the present invention to subtract shock insulation rubber
The structure of glue bearing, install and replacing options are same or similar, just fall in the scope of protection of the invention.