CN209482136U - A kind of Anti-seismic bridge expanssion joint - Google Patents
A kind of Anti-seismic bridge expanssion joint Download PDFInfo
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- CN209482136U CN209482136U CN201821850223.7U CN201821850223U CN209482136U CN 209482136 U CN209482136 U CN 209482136U CN 201821850223 U CN201821850223 U CN 201821850223U CN 209482136 U CN209482136 U CN 209482136U
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Abstract
The utility model discloses a kind of Anti-seismic bridge expanssion joints, including support column and beam body, beam body there are two and two beam bodies be individually fixed in support column upper surface center line two sides, there are gaps between two beam bodies, the upper surface of left side beam body and right side beam body opens up fluted, plate is provided in the groove of left side beam body, concave plate is provided in the groove of right side beam body, supporting mechanism is disposed in gap, supporting mechanism can be supported concave plate, displacement monitor is provided in gap, with High-strength compression resistant, when avoiding connecting plate transverse shifting, there is the phenomenon that connecting plate wrecks.
Description
Technical field
The utility model relates to bridge expanssion joint technical field, in particular to a kind of Anti-seismic bridge expanssion joint.
Background technique
Bridge expanssion joint is a kind of common bridge structure, for adjusting as caused by vehicular load and bridge construction material
Superstructure between displacement and connection, it is particularly important for the reliability of bridge.
Existing bridge expanssion joint is used cooperatively generally by two combed tooth connecting plates, and interdigitated electrode structure connecting plate is consolidated
It is scheduled on bridge, interlaced arrangement between comb teeth, there is certain Telescopic, also can guarantee that vehicle smoothly travels, but
It is when combed connecting plate transverse shifting, anti-pressure ability decline, comb teeth, which is easy to happen, to wreck, and vehicle is made to generate top when passing by
It winnows with a dustpan, causes that driver's is uncomfortable.
Utility model content
The purpose of the utility model is to provide a kind of Anti-seismic bridge expanssion joints, have High-strength compression resistant, avoid connecting
When plate transverse shifting, there is the phenomenon that connecting plate wrecks.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of Anti-seismic bridge expanssion joint, including support column and beam body, there are two the beam bodies and two beam bodies point
Be not fixed on the two sides of the upper surface center line of the support column, there are gap between described two beam bodies, the left side beam body and
The upper surface of right side beam body opens up fluted, is provided with plate in the groove of the left side beam body, the right side beam body it is recessed
It is provided with concave plate in slot, the right side of the plate is arranged in the opening of the concave plate and the plate and the concave
In being slidably matched between plate, the left side of the plate and the right side of concave plate open up be provided in hole and described hole it is swollen
Swollen bolt, the upper surface of the support column is fixed with position-limiting drum and the position-limiting drum is arranged in the gap, the concave plate
Left side lower end surface be provided with that support column and the support column are interspersed to be set in the position-limiting drum, the lower end surface of the concave plate
On be provided with sliding groove, the top layout of the support column is in the sliding groove and between the support column and the sliding groove
In being slidably matched, it is bonded sliding between the exterior arc surface of the support column and the inner wall of the position-limiting drum, under the support column
It is provided between end face and the bottom surface of position-limiting drum between the both ends of spring and the spring and the support column and the position-limiting drum
In being fixedly connected, the right side of the left side of concave plate lower end surface and the plate lower end surface be connected by a hinge have it is flexible
Bar, the one end of the telescopic rod far from the hinge and the support column are rotatablely connected, and are provided with displacement monitoring in the gap
Device.
By adopting the above technical scheme, when there is vehicle to pass by, concave plate and plate are squeezed down, due to support column and is stretched
The presence of contracting bar can play a supporting role to concave plate and plate, guarantee that vehicle smoothly passes through, due to support column and position-limiting drum
Between connected by spring, increase the service life of device, when the beam body of two sides occurs mobile, due to telescopic rod and plate,
It is rotatablely connected between concave plate and support column, in being slidably matched between support column and concave plate, so beam body will when mobile
Telescopic rod is pulled, to make telescopic rod be stretched and be shunk, with the above arrangement, guaranteeing the branch of plate and concave plate junction
Support force amount is sufficient, avoids bracing force insufficient, causes to fall off or wreck, simultaneously because the presence of spring makes above-mentioned apparatus have one
Fixed elasticity has stronger crushing resistance, also increases the service life of device.
Preferably, the displacement monitor includes retracting cylinder and straight-bar, the retracting cylinder there are two and described in two
Retracting cylinder is respectively arranged in the two sides of the position-limiting drum, and the both ends of the retracting cylinder are between the position-limiting drum and beam body respectively
It is fixedly connected, it is in be fixedly connected between the inside of the retracting cylinder and the straight-bar and the beam body that the straight-bar, which is set to, institute
Straight-bar is stated to be fixed between foam ball and the foam ball and the inner wall of the telescopic rod far from one end of the beam body in sliding
Cooperation, the retracting cylinder are internally provided between pressure sensor one and the pressure sensor one and the position-limiting drum in solid
Fixed connection.
By adopting the above technical scheme, when the distance between beam body shortens, telescopic rod will be squeezed and shunk, position-limiting drum
The distance between beam body is also constantly shortening, so that the distance between foam ball and pressure sensor one are also shortening, works as bubble
Foam ball is contradicted to pressure sensor for the moment, and pressure sensor will sound an alarm, and reminds staff in time to beam body connecting sewing
Device is safeguarded.
Preferably, the retracting cylinder includes two parts, respectively cylinder one and cylinder two, outside one end of the cylinder one
Set is fixed with fixed ring and the outer diameter of the fixed ring is equal with the inner diameter of the cylinder two, outside the fixed ring
Be bonded sliding between wall and the inner wall of the cylinder two, the fixed restraining position ring block in one end of the cylinder two and the stop collar it is interior
Wall diameter is equal with the outer diameter of the cylinder one, and the outer wall of the cylinder one is bonded sliding with the inner wall of the stop collar,
It is provided with pressure sensor two between the stop collar and the fixed ring and the pressure sensor two and the stop collar are solid
Multiple air holes are offered on the side wall of fixed connection, the cylinder one and cylinder two.
By adopting the above technical scheme, the fixed ring when the distance between beam body and position-limiting drum change, on cylinder one
Relative position between the stop collar on cylinder two changes, when the distance between two beam bodies side length, stop collar and
The distance between fixed ring will shorten, when fixed ring is contradicted to pressure sensor two on stop collar, pressure sensor two
It will sound an alarm, staff is reminded to arrange in time, guarantee the safety of vehicular traffic and pedestrian.
Preferably, the upper surface of the plate and concave plate is provided with elastomeric bladder packet and the elastomeric bladder packet is put down with described
It is fixedly connected between plate, is fixedly connected on the right side of side of the elastomeric bladder packet far from the plate and the concave plate, it is described
Soft particle is filled in elastomeric bladder packet.
By adopting the above technical scheme, the elasticity for increasing beam body expansion joint upper surface avoids vehicle tyre directly and plate
It is direct with concave plate, the service life of plate and concave plate is reduced, while soft particle is filled in elastomeric bladder packet, in certain journey
Also the propagation that noise can be reduced on degree, due to soft particle have mobility, thus guarantee soft particle can be laid in plate and
On concave plate.
Preferably, be provided with above the plate and concave plate the both ends of elastic plate and the elastic plate respectively with institute
It states and is fixedly connected between groove, is bonded between the upper surface of the elastomeric bladder packet and the lower end surface of the elastic plate.
By adopting the above technical scheme, the soft heart particle in capsule packet is limited by elastic plate, is guaranteed soft in capsule packet
Property particle be in formation state, guarantee comfort when driver's driving is passed through, jolt when avoiding passing through, cause to drive a vehicle
Discomfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the interior structural location schematic diagram that embodiment is used to show retracting cylinder and position-limiting drum；
Fig. 3 is that embodiment is used to show the positional diagram between telescopic rod and concave plate.
Appended drawing reference: 1, supporting table；2, beam body；3, gap；4, groove；5, plate；6, concave plate；9, position-limiting drum；10,
Support column；11, sliding groove；12, spring；13, telescopic rod；14, hinge；16, straight-bar；17, foam ball；18, pressure sensor
One；19, cylinder one；20, cylinder two；21, fixed ring；22, pressure sensor two；23, stop collar；24, elastomeric bladder packet；25, soft
Property particle；26, elastic plate；27, air hole.
Specific embodiment
As described below is only preferred embodiments of the present invention, and protection scope is not limited merely to the embodiment, all
The protection scope of the utility model should belong in the technical solution belonged under the utility model thinking.Simultaneously it should be pointed out that for
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, this
A little improvements and modifications also should be regarded as the protection scope of the utility model.
See Fig. 1 to 3, a kind of Anti-seismic bridge expanssion joint, including supporting table 1 and beam body 2, there are two beam bodies 2 and two beams
Body 2 is individually fixed in the two sides of the upper surface center line of supporting table 1, and there are gap 3, left side beam body 2 and right sides between two beam bodies 2
The upper surface of beam body 2 opens up fluted 4, and plate 5 is provided in the groove 4 of left side beam body 2, is set in the groove 4 of right side beam body 2
It is equipped with concave plate 6, the right side of plate 5 is arranged in the opening of concave plate 6 and is in be slidably matched between plate 5 and concave plate 6,
The left side of plate 5 and the right side of concave plate 6, which open up, is provided with expansion bolt in hole and hole, the upper surface of supporting table 1
It is fixed with position-limiting drum 9 and position-limiting drum 9 is arranged in gap 3, the left side lower end surface of concave plate 6 is provided with support column 10 and supports
Column 10 is interspersed to be set in position-limiting drum 9, is bonded sliding, concave between the exterior arc surface and the inner wall of position-limiting drum 9 of support column 10
It is provided with sliding groove 11 on the lower end surface of plate 6, the top layout of support column 10 is in sliding groove 11 and support column 10 and sliding groove
In being slidably matched between 11, the two of spring 12 and spring 12 is provided between the lower end surface of support column 10 and the bottom surface of position-limiting drum 9
End in being fixedly connected, the right side of 5 lower end surface of left side and plate of 6 lower end surface of concave plate is equal between support column 10 and position-limiting drum 9
It is connected with telescopic rod 13 by hinge 14, the one end of telescopic rod 13 far from hinge 14 and support column 10 are rotatablely connected, set in gap 3
It is equipped with displacement monitor.
When there is vehicle to pass by, concave plate 6 and plate 5 are squeezed down, due to the presence of support column 10 and telescopic rod 13,
It can play a supporting role to concave plate 6 and plate 5, guarantee that vehicle smoothly passes through, due between support column 10 and position-limiting drum 9
It is connected by spring 12, increases the service life of device, when the beam body 2 of two sides occurs mobile, due to telescopic rod 13 and plate
5, it is rotatablely connected between concave plate 6 and support column 10, in being slidably matched between support column 10 and concave plate 6, so beam body 2 is moved
It just will pull telescopic rod 13 when dynamic, so that telescopic rod 13 be made to be stretched and be shunk, with the above arrangement, guaranteeing plate 5 and recessed
The bracing force of 6 junction of template is sufficient, avoids bracing force insufficient, causes to fall off or wreck, simultaneously because spring 12 is deposited
Make above-mentioned apparatus that there is certain elasticity, there is stronger crushing resistance, also increase the service life of device.
Displacement monitor includes retracting cylinder and straight-bar 16, and there are two retracting cylinders and two retracting cylinders are respectively arranged in limit
The two sides of position cylinder 9, respectively between position-limiting drum 9 and beam body 2 in being fixedly connected, straight-bar 16, which is set to, to be stretched at the both ends of retracting cylinder
The inside of contracting cylinder and between straight-bar 16 and beam body 2 in being fixedly connected, straight-bar 16 is fixed with foam ball 17 far from one end of beam body 2
And in being slidably matched between foam ball 17 and the inner wall of telescopic rod 13, retracting cylinder is internally provided with pressure sensor 1 and presses
It is in be fixedly connected between force snesor 1 and position-limiting drum 9.
When the distance between beam body 2 shortens, telescopic rod 13 will be squeezed and shunk, between position-limiting drum 9 and beam body 2
Distance also constantly shortening, so that the distance between foam ball 17 and pressure sensor 1 are also shortening, when foam ball 17
When contradicting pressure sensor 1, pressure sensor 1 will be sounded an alarm, and staff is reminded to connect in time to beam body 2
Seam device is safeguarded.
Retracting cylinder includes two parts, respectively cylinder 1 and cylinder 2 20, and one end housing of cylinder 1 is fixed with solid
The outer diameter for determining ring 21 and fixed ring 21 is equal with the inner diameter of cylinder 2 20, outer wall and the cylinder 2 20 of fixed ring 21
Sliding is bonded between inner wall, the inner diameter and cylinder 1 of the fixed restraining position ring block 23 in one end of cylinder 2 20 and stop collar 23
Outer diameter is equal, and the outer wall of cylinder 1 is bonded sliding with the inner wall of stop collar 23, sets between stop collar 23 and fixed ring 21
It is equipped with pressure sensor 2 22 and pressure sensor 2 22 is fixedly connected with stop collar 23, the side wall of cylinder 1 and cylinder 2 20
On offer multiple air holes 27.
Fixed ring 21 and cylinder 2 20 when the distance between beam body 2 and position-limiting drum 9 change, on cylinder 1
On stop collar 23 between relative position change, when the distance between two beam bodies 2 side length, stop collar 23 and fixed
The distance between ring 21 will shorten, when fixed ring 21 is contradicted to pressure sensor 2 22 on stop collar 23, pressure sensing
Device 2 22 will sound an alarm, and staff is reminded to arrange in time, guarantee the safety of vehicular traffic and pedestrian.
The upper surface of plate 5 and concave plate 6 is provided with elastomeric bladder packet 24 and fixed company between elastomeric bladder packet 24 and plate 5
It connects, side of the elastomeric bladder packet 24 far from plate 5 is fixedly connected with the right side of concave plate 6, and soft is filled in elastomeric bladder packet 24
Grain 25, increases the elasticity of 2 expansion joint upper surface of beam body, avoids vehicle tyre directly direct with plate 5 and concave plate 6, reduces
The service life of plate 5 and concave plate 6, while soft particle 25 is filled in elastomeric bladder packet 24, it can also drop to a certain extent
The propagation of low noise, since soft particle 25 has mobility, to guarantee that soft particle 25 can be laid in plate 5 and concave plate
On 6.
The top of plate 5 and concave plate 6 is provided with elastic plate 26 and the both ends of elastic plate 26 are fixed between groove 4 respectively
Connection, is bonded, by elastic plate 26 to the soft heart in capsule packet between the upper surface of elastomeric bladder packet 24 and the lower end surface of elastic plate 26
Particle is limited, and guarantees that the soft particle 25 in capsule packet is in formation state, is guaranteed comfortable when driver's driving is passed through
Sense, jolts when avoiding passing through, and causes the discomfort of driving.
Claims (5)
1. a kind of Anti-seismic bridge expanssion joint, including supporting table (1) and beam body (2), the beam body (2) there are two and described in two
Beam body (2) is individually fixed in the two sides of the upper surface center line of the supporting table (1), and there are gaps between described two beam bodies (2)
(3), which is characterized in that the upper surface of the left side beam body (2) and right side beam body (2) opens up fluted (4), the left side beam
It is provided with plate (5) in the groove (4) of body (2), is provided with concave plate (6) in the groove (4) of the right side beam body (2), it is described
The right side of plate (5) is arranged in the opening of the concave plate (6) and between the plate (5) and the concave plate (6)
It is slidably matched, the left side of the plate (5) and the right side of concave plate (6) open up and be provided with expansion in hole and described hole
Bolt, the upper surface of the supporting table (1) is fixed with position-limiting drum (9) and the position-limiting drum (9) is arranged in the gap (3)
Interior, the left side lower end surface of the concave plate (6) is provided with that support column (10) and the support column (10) are interspersed to be set to the limit
In position cylinder (9), be provided with sliding groove (11) on the lower end surface of the concave plate (6), the top layout of the support column (10) in
It in the sliding groove (11) and is in be slidably matched between the support column (10) and the sliding groove (11), the support column (10)
Exterior arc surface and the inner wall of the position-limiting drum (9) between be bonded sliding, the lower end surface of the support column (10) and position-limiting drum (
9) be provided between bottom surface spring (12) and the spring (12) both ends and the support column (10) and the position-limiting drum (
9) in being fixedly connected between, the left side of concave plate (6) lower end surface and the right side of the plate (5) lower end surface pass through hinge
(14) it is connected with telescopic rod (13), the telescopic rod (13) one end and the support column (10) far from the hinge (14) rotate
Connection, the gap (3) is interior to be provided with displacement monitor.
2. a kind of Anti-seismic bridge expanssion joint according to claim 1, which is characterized in that the displacement monitor includes
Retracting cylinder and straight-bar (16), there are two the retracting cylinders and two retracting cylinders are respectively arranged in the position-limiting drum (9)
Two sides, the both ends of the retracting cylinder respectively between the position-limiting drum (9) and beam body (2) in being fixedly connected, the straight-bar (
16) being set to is in be fixedly connected between the inside of the retracting cylinder and the straight-bar (16) and the beam body (2), the straight-bar
(16) one end far from the beam body (2) is fixed with foam ball (17) and the foam ball (17) and the telescopic rod (13)
In being slidably matched between inner wall, the retracting cylinder is internally provided with pressure sensor one (18) and the pressure sensor one
It (18) is in be fixedly connected between the position-limiting drum (9).
3. a kind of Anti-seismic bridge expanssion joint according to claim 2, which is characterized in that the retracting cylinder includes two
Point, respectively cylinder one (19) and cylinder two (20), one end housing of the cylinder one (19) are fixed with fixed ring (21) and institute
The outer diameter for stating fixed ring (21) is equal with the inner diameter of the cylinder two (20), the outer wall of the fixed ring (21) and institute
It states and is bonded sliding between the inner wall of cylinder two (20), restraining position ring block (23) and the limit are fixed in one end of the cylinder two (20)
The inner diameter of ring (23) is equal with the outer diameter of the cylinder one (19), the outer wall of the cylinder one (19) and the limit
The inner wall of ring (23) is bonded sliding, is provided with pressure sensor two (22) between the stop collar (23) and the fixed ring (21)
And the pressure sensor two (22) is fixedly connected with the stop collar (23), the side of the cylinder one (19) and cylinder two (20)
Multiple air holes (27) are offered on wall.
4. a kind of Anti-seismic bridge expanssion joint according to claim 3, which is characterized in that the plate (5) and concave plate
(6) upper surface is provided between elastomeric bladder packet (24) and the elastomeric bladder packet (24) and the plate (5) and is fixedly connected, described
Elastomeric bladder packet (24) is fixedly connected on the right side of side and the concave plate (6) far from the plate (5), the elastomeric bladder packet
(24) soft particle (25) are filled in.
5. a kind of Anti-seismic bridge expanssion joint according to claim 4, which is characterized in that the plate (5) and concave plate
(6) both ends that elastic plate (26) and the elastic plate (26) are provided with above are fixedly connected between the groove (4) respectively,
It is bonded between the upper surface of the elastomeric bladder packet (24) and the lower end surface of the elastic plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850223.7U CN209482136U (en) | 2018-11-09 | 2018-11-09 | A kind of Anti-seismic bridge expanssion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850223.7U CN209482136U (en) | 2018-11-09 | 2018-11-09 | A kind of Anti-seismic bridge expanssion joint |
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| Publication Number | Publication Date |
|---|---|
| CN209482136U true CN209482136U (en) | 2019-10-11 |
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ID=68115523
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850223.7U Active CN209482136U (en) | 2018-11-09 | 2018-11-09 | A kind of Anti-seismic bridge expanssion joint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029067A (en) * | 2021-03-24 | 2021-06-25 | 马超 | Bridge expansion joint monitoring and connecting device |
| CN113897853A (en) * | 2021-10-27 | 2022-01-07 | 段庆普 | Rigid frame bridge anti-seismic connecting structure |
| CN114795850A (en) * | 2022-07-01 | 2022-07-29 | 南昌大学第二附属医院 | Knee joint auxiliary movement device and control method thereof |
| CN115418941A (en) * | 2022-09-23 | 2022-12-02 | 广州毛勒桥梁附件有限公司 | Bridge expansion and contraction detection system for pre-tightening test and bridge expansion and contraction structure |
-
2018
- 2018-11-09 CN CN201821850223.7U patent/CN209482136U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029067A (en) * | 2021-03-24 | 2021-06-25 | 马超 | Bridge expansion joint monitoring and connecting device |
| CN113897853A (en) * | 2021-10-27 | 2022-01-07 | 段庆普 | Rigid frame bridge anti-seismic connecting structure |
| CN114795850A (en) * | 2022-07-01 | 2022-07-29 | 南昌大学第二附属医院 | Knee joint auxiliary movement device and control method thereof |
| CN115418941A (en) * | 2022-09-23 | 2022-12-02 | 广州毛勒桥梁附件有限公司 | Bridge expansion and contraction detection system for pre-tightening test and bridge expansion and contraction structure |
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