CN109680605B - Comb-tooth type bridge expansion device - Google Patents
Comb-tooth type bridge expansion device Download PDFInfo
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- CN109680605B CN109680605B CN201910083375.1A CN201910083375A CN109680605B CN 109680605 B CN109680605 B CN 109680605B CN 201910083375 A CN201910083375 A CN 201910083375A CN 109680605 B CN109680605 B CN 109680605B
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- comb
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- 244000126211 Hericium coralloides Species 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 72
- 239000010959 steel Substances 0.000 claims description 72
- 230000000670 limiting effect Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a comb-tooth type bridge expansion device, belongs to the technical field of bridge engineering, and solves the problem that the existing device cannot buffer and limit a rubber pipe, so that the rubber pipe cannot be buffered and protected when a beam body receives external large impact force; the technical characteristics are as follows: the novel bridge comprises a buffer mechanism, and further comprises a left beam body, a right beam body, a cavity body and comb teeth, wherein the inner end faces of the left beam body and the right beam body are symmetrically provided with the cavity body, comb tooth mounting seats are mounted in the cavity body, a plurality of comb teeth are horizontally arranged between the comb tooth mounting seats, and the buffer mechanism is mounted on the comb teeth.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a comb-tooth type bridge expansion device.
Background
Bridge engineering refers to the working process of bridge surveying, designing, constructing, maintaining, detecting and the like, and the scientific and engineering technology for researching the process, and is a branch of civil engineering. The development of bridge engineering mainly depends on the requirements of traffic transportation on the bridge engineering, the bridge engineering mainly researches bridge crossing design, determines bridge aperture, considers navigation and line requirements to determine bridge deck height, considers that a base is not scoured or frozen to determine foundation embedding depth, designs diversion buildings and the like, and aspects of bridge scheme design, bridge structure design, bridge construction, bridge verification, bridge test, bridge maintenance and the like.
The bridge body after being built and used can deform under the action of external force, and if the deformation cannot be sufficiently buffered and eliminated when the deformation occurs, the bridge can be seriously damaged, so that bridge expansion devices are arranged at hinged positions between beam ends of the bridge and between the beam ends and a bridge abutment; chinese patent CN207062757U discloses a bridge telescoping device, including the left beam body, the right beam body, the hollow chamber is seted up to the end plane symmetry in the left beam body and the right beam body, and hollow chamber passes through the rubber tube and connects, rubber tube internal assembly has the spring coupling pipe, the device can realize monitoring telescoping device elastic element's coefficient of elasticity, the stability of the beam body has been guaranteed, but the device can not realize buffering the rubber tube spacing, thereby when the beam body received outside great impact force, can not carry out buffer protection to the rubber tube, therefore we propose a comb-tooth bridge telescoping device.
Disclosure of Invention
The invention aims to provide a comb-tooth type bridge expansion device, which comprises a buffer mechanism, a left beam body, a right beam body, a cavity body and comb teeth, wherein the inner end surfaces of the left beam body and the right beam body are symmetrically provided with the cavity body; set up the water catch bowl between the left side roof beam body and the right side roof beam body, the water catch bowl both sides are articulated the left side roof beam body and the right side roof beam body to it can not realize buffering the rubber tube spacing to solve current device, thereby when the roof beam body receives outside great impact force, can not carry out the problem of buffering protection to the rubber tube.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a buffer gear, includes stopper, dashpot, guide bar and reinforcing bar stick, and buffer gear longitudinal symmetry sets up two dashpots, the top the inside fixed guide bar that sets up of dashpot, the second slider is established to the symmetry cover on the guide bar, the second slider with guide bar sliding connection, the second slider is kept away from one side each other and is set up second buffer spring, and second buffer spring suit is in on the guide bar, install the stopper between the dashpot, the stopper inner chamber is hollow structure, just bolt and dashpot fixed welding are passed through to the stopper bottom, the second slider is close to stopper one side connecting reinforcement stick, reinforcing bar stick are kept away from second slider one end is run through the stopper and is connected the below the second slider.
As a further scheme of the invention: the reinforcing steel bar is obliquely arranged, and the inclination angle of the reinforcing steel bar is 20-60 degrees.
A comb-tooth type bridge expansion device comprises a buffer mechanism, and further comprises a left beam body, a right beam body, a cavity body and comb teeth, wherein the inner end faces of the left beam body and the right beam body are symmetrically provided with the cavity body, comb tooth mounting seats are mounted inside the cavity body, a plurality of comb teeth are horizontally arranged between the comb tooth mounting seats, the buffer mechanism is mounted on the comb teeth, and adjacent comb teeth are connected through the buffer mechanism; set up the water catch bowl between the left beam body and the right beam body, the water catch bowl both sides are articulated the left beam body and the right beam body.
As a still further scheme of the invention: the tip of broach sets up the cone, the level is crisscross in the broach mount pad and is set up rectangle spout and arc wall, in the cone extends to the arc wall, cone and arc wall sliding connection, just the afterbody of broach extends to in the rectangle spout, broach and rectangle spout sliding connection.
As a still further scheme of the invention: the cavity body basal surface riveting second steel pipe, cavity body below parallel arrangement pre-buried concrete slab, second steel pipe lower extreme run through pre-buried concrete slab and fixed welding second steel sheet, set up first buffer spring between pre-buried concrete slab and the second steel sheet, first buffer spring suit is on the second steel pipe, the cone cross section is semi-circular.
As a still further scheme of the invention: the comb tooth installation seat is characterized in that a first steel plate is vertically arranged between the comb tooth installation seat and the side wall of the cavity body, the first steel plate is fixedly installed in the cavity body, two first sliding blocks are symmetrically arranged on the first steel plate and are in sliding connection with the first steel plate, the first sliding blocks are connected with the comb tooth installation seat through first steel pipes, the first steel pipes are obliquely arranged, and the inclination angle of the first steel pipes is 10-40 degrees.
A bridge protection device comprises the comb-tooth type bridge expansion device.
Compared with the prior art, the invention has the beneficial effects that: the arrangement of the second buffer spring has the buffer protection effect on the second sliding block, the limiting block has the limiting effect on the reinforcing steel bar, so that the bridge can be protected when the bridge deforms, the rigid fracture of the bridge is avoided, the arrangement of the second steel plate has the limiting effect on the second steel pipe, and the arrangement of the first buffer spring has the buffer protection effect on the empty cavity and the second steel pipe, so that the buffer protection on the empty cavity can be realized when the cavity receives stronger impact force; the invention can play a role in buffering and protecting the bridge when the bridge is impacted, avoid the bridge from breaking, reduce the occurrence of accidents, have longer service life and are beneficial to popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of a comb-tooth bridge expansion device.
Fig. 2 is a schematic structural diagram of comb teeth in the comb-tooth bridge expansion device.
Fig. 3 is a schematic structural diagram of a bridge buffering mechanism in the comb-tooth type bridge expansion device.
Fig. 4 is a partially enlarged schematic view of a in fig. 1.
In the figure: 1-left beam body, 2-right beam body, 3-cavity body, 4-first steel plate, 5-first sliding block, 6-first steel pipe, 7-comb mounting seat, 8-comb, 9-second steel pipe, 10-pre-embedded concrete plate, 11-second steel plate, 12-first buffer spring, 13-water collecting tank, 14-rectangular sliding tank, 15-cone, 16-arc groove, 17-limiting block, 18-buffer tank, 19-second sliding block, 20-second buffer spring, 21-guide rod and 22-reinforcing bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 3, in the embodiment of the present invention, a buffer mechanism includes a limiting block 17, two buffer slots 18, a guide rod 21 and a reinforcing bar 22, the buffer mechanism is provided with the two buffer slots 18 symmetrically from top to bottom, the guide rod 21 is fixedly provided inside the buffer slot 18 above, the guide rod 21 is provided with a second slider 19 symmetrically sleeved thereon, the second slider 19 is connected with the guide rod 21 in a sliding manner, one side of the second slider 19 away from each other is provided with a second buffer spring 20, the second buffer spring 20 is sleeved on the guide rod 21, the second buffer spring 20 is provided to buffer and protect the second slider 19, the limiting block 17 is installed between the buffer slots 18, an inner cavity of the limiting block 17 is a hollow structure, the bottom of the limiting block 17 is fixedly welded to the buffer slot 18 through a bolt, one side of the second slider 19 close to the limiting block 17 is connected with the reinforcing bar 22, one end, far away from the second sliding block 19, of the steel bar rod 22 penetrates through the limiting block 17 and is connected with the second sliding block 19 below, and the limiting block 17 has a limiting effect on the steel bar rod 22, so that when the bridge deforms, the bridge can be protected, and the rigid fracture of the bridge is avoided;
the reinforcing steel bar 22 is obliquely arranged, and the inclination angle of the reinforcing steel bar 22 is 20-60 degrees.
Example 2
Referring to fig. 1 to 4, in the embodiment of the present invention, a comb-tooth bridge expansion device includes a buffer mechanism as described in embodiment 1, and further includes a left beam body 1, a right beam body 2, a cavity body 3 and comb teeth 8, the inner end surfaces of the left beam body 1 and the right beam body 2 are symmetrically provided with the cavity body 3, a comb tooth mounting seat 7 is installed inside the cavity body 3, a plurality of comb teeth 8 are horizontally arranged between the comb tooth mounting seats 7, the buffer mechanism is installed on the comb teeth 8, and adjacent comb teeth 8 are connected through the buffer mechanism;
the end part of the comb teeth 8 is provided with a cone 15, the comb teeth mounting seat 7 is internally provided with a rectangular sliding groove 14 and an arc-shaped groove 16 in a horizontal staggered manner, the cone 15 extends into the arc-shaped groove 16, the cone 15 is connected with the arc-shaped groove 16 in a sliding manner, the tail part of the comb teeth 8 extends into the rectangular sliding groove 14, the comb teeth 8 are connected with the rectangular sliding groove 14 in a sliding manner, the bottom surface of the cavity body 3 is riveted with a second steel pipe 9, an embedded concrete plate 10 is arranged below the cavity body 3 in a parallel manner, the lower end of the second steel pipe 9 penetrates through the embedded concrete plate 10 and is fixedly welded with a second steel plate 11, the second steel plate 11 is provided with a limiting effect on the second steel pipe 9, a first buffer spring 12 is arranged between the embedded concrete plate 10 and the second steel plate 11, the first buffer spring 12 is sleeved on the second steel pipe 9, and the first buffer spring 12 has a buffer protection effect on the, therefore, when the cavity body 3 is subjected to strong impact force, the buffer protection of the comb teeth 8 can be realized;
the cross section of the cone 15 is semicircular;
a first steel plate 4 is vertically arranged between the comb tooth mounting seat 7 and the side wall of the cavity body 3, the first steel plate 4 is fixedly arranged in the cavity body 3, two first sliding blocks 5 are symmetrically arranged on the first steel plate 4, the first sliding blocks 5 are in sliding connection with the first steel plate 4, the first sliding blocks 5 are connected with the comb tooth mounting seat 7 through first steel pipes 6, the first steel plate 4 has a limiting effect on the first sliding blocks 5, meanwhile, the first sliding blocks 5 can be driven to move up and down along the first steel plate 4 by the left-right sliding of the comb tooth mounting seat 7, the first steel plate 4 can also realize the limiting protection effect on the comb tooth mounting seat 7, and the stability of the bridge is ensured;
the first steel pipe 6 is arranged in an inclined mode, and the inclination angle of the first steel pipe 6 is 10-40 degrees.
Example 3
Referring to fig. 1 to 4, in the embodiment of the present invention, a comb-tooth bridge expansion device includes a buffer mechanism as described in embodiment 1, and further includes a left beam body 1, a right beam body 2, a cavity body 3 and comb teeth 8, the inner end surfaces of the left beam body 1 and the right beam body 2 are symmetrically provided with the cavity body 3, a comb tooth mounting seat 7 is installed inside the cavity body 3, a plurality of comb teeth 8 are horizontally arranged between the comb tooth mounting seats 7, the buffer mechanism is installed on the comb teeth 8, and adjacent comb teeth 8 are connected through the buffer mechanism;
the end part of the comb teeth 8 is provided with a cone 15, the comb teeth mounting seat 7 is internally provided with a rectangular sliding groove 14 and an arc-shaped groove 16 in a horizontal staggered manner, the cone 15 extends into the arc-shaped groove 16, the cone 15 is connected with the arc-shaped groove 16 in a sliding manner, the tail part of the comb teeth 8 extends into the rectangular sliding groove 14, the comb teeth 8 are connected with the rectangular sliding groove 14 in a sliding manner, the bottom surface of the cavity body 3 is riveted with a second steel pipe 9, an embedded concrete plate 10 is arranged below the cavity body 3 in parallel, the lower end of the second steel pipe 9 penetrates through the second steel pipe 9 and is fixedly welded with a second steel plate 11, the second steel plate 11 is provided with a limiting effect on the second steel pipe 9, a first buffer spring 12 is arranged between the embedded concrete plate 10 and the second steel plate 11, the first buffer spring 12 is sleeved on the second steel pipe 9, and the first buffer spring 12 has a buffer protection effect on the cavity body, therefore, when the cavity body 3 is subjected to strong impact force, the buffer protection of the comb teeth 8 can be realized;
the cross section of the cone 15 is semicircular;
a first steel plate 4 is vertically arranged between the comb tooth mounting seat 7 and the side wall of the cavity body 3, the first steel plate 4 is fixedly arranged in the cavity body 3, two first sliding blocks 5 are symmetrically arranged on the first steel plate 4, the first sliding blocks 5 are in sliding connection with the first steel plate 4, the first sliding blocks 5 are connected with the comb tooth mounting seat 7 through first steel pipes 6, the first steel plate 4 has a limiting effect on the first sliding blocks 5, meanwhile, the first sliding blocks 5 can be driven to move up and down along the first steel plate 4 by the left-right sliding of the comb tooth mounting seat 7, the first steel plate 4 can also realize the limiting protection effect on the comb tooth mounting seat 7, and the stability of the bridge is ensured;
the first steel pipe 6 is arranged obliquely, and the inclination angle of the first steel pipe 6 is 10-40 degrees;
set up water catch bowl 13 between the left beam body 1 and the right beam body 2, water catch bowl 13 both sides are articulated left side beam body 1 and right beam body 2, just the material of water catch bowl 13 is the glass fiber material, the effect that can realize playing the drainage to ponding of setting up of water catch bowl 13 has avoided ponding right left side beam body 1 and right beam body 2's corruption.
Example 4
A bridge protection device comprising the comb-type bridge expansion device according to embodiment 3.
The working principle of the invention is as follows: when the bridge deforms, the buffer mechanism can play a role in buffer protection of the comb teeth 8, the comb teeth 8 drive the comb tooth mounting seat 7 to slide left and right, the first steel plate 4 can play a role in limiting the comb tooth mounting seat 7 and the comb teeth 8, meanwhile, the comb teeth 8 drive the second steel plate 11 to move downwards, the first buffer spring 12 acts on the second steel plate 11, and the comb teeth 8 are buffered and protected; the invention can play a role in buffering and protecting the bridge when the bridge is impacted, avoid the bridge from breaking, reduce the occurrence of accidents, have longer service life and are beneficial to popularization and use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for the convenience of description of the invention and to simplify the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A comb-tooth type bridge expansion device comprises a buffer mechanism, wherein the buffer mechanism comprises a limiting block (17), two buffer grooves (18), a guide rod (21) and a reinforcing bar (22), the buffer mechanism is vertically and symmetrically provided with the two buffer grooves (18), the upper part of the buffer groove (18) is internally and fixedly provided with the guide rod (21), the guide rod (21) is symmetrically sleeved with a second sliding block (19), the second sliding block (19) is in sliding connection with the guide rod (21), one side, away from each other, of the second sliding block (19) is provided with a second buffer spring (20), the second buffer spring (20) is sleeved on the guide rod (21), the limiting block (17) is installed between the buffer grooves (18), the inner cavity of the limiting block (17) is of a hollow structure, the bottom of the limiting block (17) is fixedly welded with the buffer grooves (18) through bolts, the second sliding block (19) is close to one side of the limiting block (17) and is connected with the reinforcing bar (, one end, far away from the second sliding block (19), of a steel bar (22) penetrates through the limiting block (17) and is connected with the second sliding block (19) below, the comb-shaped comb-;
the tip of broach (8) sets up cone (15), the horizontal staggering sets up rectangle spout (14) and arc wall (16) in broach mount pad (7), cone (15) extend to in arc wall (16), cone (15) and arc wall (16) sliding connection, just the afterbody of broach (8) extends to in rectangle spout (14), broach (8) and rectangle spout (14) sliding connection.
2. The comb-tooth bridge expansion device according to claim 1, wherein a second steel pipe (9) is riveted on the bottom surface of the cavity body (3), an embedded concrete plate (10) is arranged below the cavity body (3) in parallel, the lower end of the second steel pipe (9) penetrates through the embedded concrete plate (10) and is fixedly welded with a second steel plate (11), a first buffer spring (12) is arranged between the embedded concrete plate (10) and the second steel plate (11), and the first buffer spring (12) is sleeved on the second steel pipe (9).
3. The comb bridge expansion device according to claim 2, wherein the cone (15) is semi-circular in cross-section.
4. The comb-tooth bridge expansion device according to claim 3, wherein a first steel plate (4) is vertically arranged between the comb-tooth mounting seat (7) and the side wall of the cavity body (3), the first steel plate (4) is fixedly arranged in the cavity body (3), two first sliding blocks (5) are symmetrically arranged on the first steel plate (4), the first sliding blocks (5) are slidably connected with the first steel plate (4), and the first sliding blocks (5) are connected with the comb-tooth mounting seat (7) through first steel pipes (6).
5. The comb bridge expansion device according to claim 4, wherein the first steel pipe (6) is arranged obliquely, and the inclination angle of the first steel pipe (6) is 10-40 °.
6. The comb-tooth bridge expansion device according to claim 5, wherein a water collecting tank (13) is arranged between the left beam body (1) and the right beam body (2), and both sides of the water collecting tank (13) are hinged with the left beam body (1) and the right beam body (2).
7. A bridge protection device, comprising a comb bridge expansion device according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083375.1A CN109680605B (en) | 2019-01-29 | 2019-01-29 | Comb-tooth type bridge expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083375.1A CN109680605B (en) | 2019-01-29 | 2019-01-29 | Comb-tooth type bridge expansion device |
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| CN109680605A CN109680605A (en) | 2019-04-26 |
| CN109680605B true CN109680605B (en) | 2020-09-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110174280A (en) * | 2019-05-26 | 2019-08-27 | 交通运输部公路科学研究所 | A method of calibrating telescopic device calibration system |
| CN110820550B (en) * | 2019-12-04 | 2021-04-30 | 韩敏慧 | Telescoping device of shock-proof buffering formula bridge |
| CN112081005B (en) * | 2020-09-22 | 2022-04-22 | 山东水利职业学院 | Bridge structure broken joint dislocation expansion joint structure |
| CN112376415B (en) * | 2020-11-18 | 2022-05-06 | 刘涛 | Public road bridge roof beam expansion joint device |
| CN113029067B (en) * | 2021-03-24 | 2022-02-01 | 马超 | Bridge expansion joint monitoring and connecting device |
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| WO2009078829A2 (en) * | 2007-12-14 | 2009-06-25 | Construction Research & Technology Gmbh | Expansion joint system |
| KR101216743B1 (en) * | 2011-09-28 | 2012-12-28 | 주식회사 부흥시스템 | Continuously manufacturing method of expansion joint and thereof expansion joint using hi-attenuation vulcanized rubber |
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