CN216108051U - Anti-seismic telescopic device - Google Patents
Anti-seismic telescopic device Download PDFInfo
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- CN216108051U CN216108051U CN202121047941.2U CN202121047941U CN216108051U CN 216108051 U CN216108051 U CN 216108051U CN 202121047941 U CN202121047941 U CN 202121047941U CN 216108051 U CN216108051 U CN 216108051U
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000002893 slag Substances 0.000 claims abstract description 25
- 238000004873 anchoring Methods 0.000 claims abstract description 18
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
An anti-seismic telescopic device is used for effectively avoiding tooth warping caused by comb teeth and has the functions of anti-seismic and anti-falling beams. Including setting up in left side fishback, the right side fishback of adjacent roof beam body beam-ends mounting groove department, left side fishback, right side fishback are along the expansion joint central line symmetrical structure, and its broach portion is crisscross. The lower parts of the plate surfaces of the left comb plate and the right comb plate are provided with anchoring components welded into a whole at intervals along the length direction, each anchoring component is in anchoring connection with post-cast concrete in the mounting grooves of the corresponding side beam ends, the comb tooth parts form a short cantilever structure, and a slag blocking mechanism and a waterproof mechanism are sequentially arranged below the comb tooth parts; tensile mechanisms are arranged in the expansion joint at intervals along the length direction, and two ends of each tensile mechanism are embedded into the post-cast concrete on the same side and form anchoring connection with the post-cast concrete.
Description
Technical Field
The utility model relates to a bridge, in particular to an anti-seismic telescopic device.
Background
In recent decades, the modern construction in China is vigorously developed, and large-span bridges, highways and urban viaducts are largely constructed. Meanwhile, China is also a country with frequent earthquakes, and the previous survey of bridge earthquake damage shows that the collision and beam falling of the bridge beam end are common diseases of the bridge in the earthquake, so that great economic property loss is caused. How can effectual assurance bridge still can the safe handling after the earthquake, what kind of antidetonation device should be adopted avoids the emergence of above-mentioned condition. The expansion device, which is a connecting member between the existing beams, mainly comprises a comb plate seam and a modulus section steel expansion device, the consumption of seamless expansion joints and rubber seams is low, and the existing expansion device does not have the functions of vibration resistance and beam falling resistance.
At present, the existing telescopic device is found in use, and the defects of the existing telescopic device are that bolts of the comb plate telescopic device are easy to loosen and damage, comb teeth are easy to warp and the function of anti-seismic and anti-falling beams is not provided, so that the anti-seismic telescopic device capable of solving the defects is needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an anti-seismic telescopic device, which effectively avoids tooth warping of comb teeth and has the functions of anti-seismic and anti-falling of beams.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses an anti-seismic telescopic device, which comprises a left comb plate and a right comb plate which are arranged at beam end mounting grooves of adjacent beam bodies, wherein the left comb plate and the right comb plate are symmetrically structured along the central line of a telescopic seam, and comb tooth parts of the left comb plate and the right comb plate are staggered, and the anti-seismic telescopic device is characterized in that: the lower parts of the plate surfaces of the left comb plate and the right comb plate are provided with anchoring components welded into a whole at intervals along the length direction, each anchoring component is in anchoring connection with post-cast concrete in the mounting grooves of the corresponding side beam ends, the comb tooth parts form a short cantilever structure, and a slag blocking mechanism and a waterproof mechanism are sequentially arranged below the comb tooth parts; tensile mechanisms are arranged in the expansion joint at intervals along the length direction, and two ends of each tensile mechanism are embedded into the post-cast concrete on the same side and form anchoring connection with the post-cast concrete.
The telescopic device has the beneficial effects that the telescopic device adopts a bilaterally symmetrical comb plate structure, the comb teeth are in a cantilever structure, and the cantilever is short and is not easy to warp; the comb plate and the anchoring piece are welded and fixed into a whole, so that looseness and falling caused by bolt connection are avoided, and the connecting strength is high; the telescopic device is provided with a slag baffle plate, so that the accumulated slag is less; the telescopic device is provided with a beam falling prevention tensile mechanism, can effectively limit the transition displacement generated by the beam body during earthquake and the beam falling, and can connect the beam bodies on the left side and the right side together to achieve the purpose of cooperative earthquake resistance.
Drawings
The specification includes the following three drawings:
FIG. 1 is a plan view of an anti-seismic retractor of the present invention;
FIG. 2 is a cross-sectional view of an anti-seismic retractor according to the present invention;
FIG. 3 is an enlarged view of a portion of an anti-seismic retractor according to the present invention;
fig. 4 is a schematic structural diagram of a tensile mechanism in the anti-seismic telescopic device of the utility model.
The figures show the components and corresponding references: the figures show the components and corresponding references: expansion joint A, left side fishback 1a, right side fishback 1b, anchor component 2, anchor slab 2a, anchor bar 2b, pushing off slag mechanism 3, first pushing off slag board 3a, second pushing off slag board 3b, first angle steel component 3c, waterproof rubber strip 4, second angle steel component 5, tensile mechanism 6, left side tensile plate 6a, tensile rope 6b, right side tensile plate 6c, embedded steel bar 7, roof beam body 8, post-cast concrete 9.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
Referring to fig. 1 and 2, the anti-seismic telescopic device comprises a left comb plate 1a and a right comb plate 1b which are arranged at beam end mounting grooves of adjacent beam bodies 8, wherein the left comb plate 1a and the right comb plate 1b are symmetrically structured along a central line of a telescopic seam A, and comb teeth of the left comb plate 1a and the right comb plate 1b are staggered. Left side fishback 1a, right side fishback 1b face down along length direction interval set up with it weld anchor member 2 as an organic whole, effectively avoid not hard up and the drop that bolted connection produced, joint strength is high moreover. Each anchoring member 2 is in anchoring connection with the post-cast concrete 9 in the mounting groove at the end of the corresponding side beam, the comb tooth part forms a short cantilever structure, the cantilever is short and is not easy to warp teeth, and a slag blocking mechanism 3 and a waterproof mechanism are sequentially arranged below the comb tooth part; tensile mechanisms 6 are arranged in the expansion joint A at intervals along the length direction, and two ends of each tensile mechanism 6 are embedded into the post-cast concrete 9 on the same side and form anchoring connection with the post-cast concrete 9. The beam bodies 8 on the left side and the right side are connected together through the tensile mechanism 6, so that the transitional displacement and beam falling generated when the beam bodies 8 are in earthquakes can be effectively limited, and the purpose of cooperative earthquake resistance is achieved.
Referring to fig. 2 and 3, the anchoring member 2 is composed of an anchor plate 2a and an anchor bar 2b, the anchor plate 2a is welded to the rear plate bodies of the left comb plate 1a and the right comb plate 1b, and the anchor bar 2b is welded to the anchor plate 2 a.
Referring to fig. 3, the slag stopping mechanism 3 includes a first slag stopping plate 3a and a second slag stopping plate 3b which are stacked, the first slag stopping plate 3a is welded with the plate body of the left-side comb plate 1a, the rear portion of the second slag stopping plate 3b is welded with a first angle steel member 3c, and the first angle steel member 3c is welded with the anchor plate 2a below the plate body of the right-side comb plate 1 b. The slag stopping mechanism 3 is used for preventing slag on the telescopic device from leaking into the lower part, when the telescopic device is in the maximum displacement, the overlapped parts of the middle parts of the slag stopping plate 3a and the second slag stopping plate 3b are not completely separated, so that the slag on the upper part of the telescopic device does not fall into the lower part waterproof mechanism, and the slag accumulation on the telescopic device is less.
Referring to fig. 2 and 4, the tensile mechanism 6 is composed of a left tensile plate 6a, a tensile rope 6b and a right tensile plate 6c, the left tensile plate 6a and the right tensile plate 6c are arranged at equal intervals in the transverse bridge direction, and the tensile rope 6b crosses the extending ends of the left tensile plate 6a and the right tensile plate 6c in a staggered manner to limit the transition displacement of the beam body and prevent the beam from falling. The roof beam body 8 sets up embedded steel 7 along horizontal interval in beam-ends mounting groove department, and left side tensile board 6a, right side tensile board 6c set up between adjacent embedded steel 7 and weld with it.
Referring to fig. 3, the waterproof mechanism is composed of a waterproof rubber strip 4 and a second angle steel member 5, the second angle steel member 5 is fixedly connected with the same-side post-cast concrete 9, and two ends of the waterproof rubber strip 4 in the width direction are embedded and hung on the same-side second angle steel member 5.
The foregoing merely illustrates the principles of the present invention as a seismic resistant telescopic device and is not intended to limit the utility model to the exact construction and operation shown and described, and accordingly all modifications and equivalents thereof that may be resorted to are intended to fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides an antidetonation telescoping device, is including setting up in left side fishback (1a), right side fishback (1b) of adjacent roof beam body (8) beam-ends mounting groove department, left side fishback (1a), right side fishback (1b) along extension seam (A) central line symmetrical structure, and its fishback is crisscross, characterized by: the lower surfaces of the plate surfaces of the left comb plate (1a) and the right comb plate (1b) are provided with anchoring components (2) welded into a whole at intervals along the length direction, each anchoring component (2) is in anchoring connection with post-cast concrete (9) in the mounting grooves of the corresponding side beam ends, the comb tooth parts form a short cantilever structure, and a slag blocking mechanism (3) and a waterproof mechanism are sequentially arranged below the comb tooth parts; tensile mechanisms (6) are arranged in the expansion joint (A) at intervals along the length direction, and two ends of the tensile mechanisms (6) are embedded into the post-cast concrete (9) on the same side and form anchoring connection with the post-cast concrete.
2. An anti-seismic telescopic device as claimed in claim 1, wherein: the anchoring member (2) is composed of an anchor plate (2a) and anchor bars (2b), the anchor plate (2a) is welded with the rear plate bodies of the left comb plate (1a) and the right comb plate (1b), and the anchor bars (2b) are welded with the anchor plate (2 a).
3. An anti-seismic telescopic device as claimed in claim 2, wherein: slag stopping mechanism (3) are including first slag stopping board (3a), second slag stopping board (3b) of looks superpose, and first slag stopping board (3a) and left side fishback (1a) plate body welding, and second slag stopping board (3b) rear portion and first angle steel member (3c) welding, first angle steel member (3c) then with anchor slab (2a) welding of right side fishback (1b) plate body below.
4. An anti-seismic telescopic device as claimed in claim 1, wherein: the tensile mechanism (6) is composed of a left tensile plate (6a), a tensile rope (6b) and a right tensile plate (6c), the left tensile plate (6a) and the right tensile plate (6c) are arranged at equal intervals in the transverse bridge direction, and the tensile rope (6b) penetrates through the extending ends of the left tensile plate (6a) and the right tensile plate (6c) in a staggered mode.
5. An anti-seismic telescopic device as claimed in claim 3, wherein: the beam body (8) sets up embedded steel bar (7) along horizontal interval in beam-ends mounting groove department, and left side tensile board (6a), right side tensile board (6c) set up between adjacent embedded steel bar (7) and weld with it.
6. An anti-seismic telescopic device as claimed in claim 1, wherein: the waterproof mechanism is composed of a waterproof rubber strip (4) and a second angle steel component (5), the second angle steel component (5) is fixedly connected with the same-side post-cast concrete (9), and two ends of the waterproof rubber strip (4) in the width direction are embedded and hung on the same-side second angle steel component (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121047941.2U CN216108051U (en) | 2021-05-17 | 2021-05-17 | Anti-seismic telescopic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121047941.2U CN216108051U (en) | 2021-05-17 | 2021-05-17 | Anti-seismic telescopic device |
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CN216108051U true CN216108051U (en) | 2022-03-22 |
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CN202121047941.2U Active CN216108051U (en) | 2021-05-17 | 2021-05-17 | Anti-seismic telescopic device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116289647A (en) * | 2023-02-02 | 2023-06-23 | 济南市市政工程设计研究院(集团)有限责任公司 | Equipment and method for rapidly replacing waterproof adhesive tape of highway bridge expansion joint |
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2021
- 2021-05-17 CN CN202121047941.2U patent/CN216108051U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116289647A (en) * | 2023-02-02 | 2023-06-23 | 济南市市政工程设计研究院(集团)有限责任公司 | Equipment and method for rapidly replacing waterproof adhesive tape of highway bridge expansion joint |
CN116289647B (en) * | 2023-02-02 | 2024-02-13 | 济南市市政工程设计研究院(集团)有限责任公司 | Equipment and method for rapidly replacing waterproof adhesive tape of highway bridge expansion joint |
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