CN208748515U - A kind of telescopic device of highway bridge guardrail - Google Patents
A kind of telescopic device of highway bridge guardrail Download PDFInfo
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- CN208748515U CN208748515U CN201821351130.XU CN201821351130U CN208748515U CN 208748515 U CN208748515 U CN 208748515U CN 201821351130 U CN201821351130 U CN 201821351130U CN 208748515 U CN208748515 U CN 208748515U
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- expansion joint
- rail post
- steel pipe
- telescopic device
- column
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Abstract
The utility model discloses a kind of telescopic devices of highway bridge guardrail, including rail post, the side of rail post is provided with transverse tube, vertical tube is provided on the inside of transverse tube, the other side of rail post is provided with telescoping tube, the side of telescoping tube is provided with small steel pipe, the side of small steel pipe is provided with filled layer, small steel pipe is provided with large steel pipe by filled layer, the bottom of rail post is provided with bloom in column, the bottom of bloom is provided with fixation steel plate in column, the bottom of fixation steel plate is provided with embedded bar, expansion joint is provided on the inside of embedded bar, the side at expansion joint is provided with expansion joint reinforcing bar, the side of expansion joint reinforcing bar is provided with angle steel, the side of angle steel is provided with rubber strip, waterproof layer is provided at the top of rubber strip.The telescopic device of this kind of highway bridge guardrail utilizes its flexible telescoping tube and expansion joint, realizes and reduces concrete to the purpose of guardrail bottom bring deformation pressure.
Description
Technical field
The utility model relates to technical field of stretching, specially a kind of telescopic devices of highway bridge guardrail.
Background technique
It is the natural law that building member, which expands with heat and contract with cold, to prevent guardrail since climate temperature changes, is made in guard bar structure
Portion generates crack or destruction, and staff is often arranged telescopic device in the appropriate location of guardrail in construction, makes guardrail etc.
It is divided into two independent parts, to make guardrail that can do horizontal extension along length direction.
But existing guardrail telescopic device, most of is that telescoping tube is arranged on rail post, to mitigate guardrail because expanding with heat and contract with cold
Caused by destroy, but this telescopic device, which can not effectively mitigate concrete road surface, to expand with heat and contract with cold bring deformation pressure, holds
The problem of being also easy to produce guardrail bottom deformation.
So how to design a kind of telescopic device of highway bridge guardrail, becoming us will currently be solved the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of telescopic devices of highway bridge guardrail, to solve above-mentioned background technique
The problem of mitigation concrete road surface bring deformation pressure of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of telescopic device of highway bridge guardrail,
Including rail post, the side of the rail post is provided with transverse tube, and vertical tube is provided on the inside of the transverse tube, and the other side of the rail post is set
It is equipped with telescoping tube, the side of the telescoping tube is provided with small steel pipe, and the side of small steel pipe is provided with filled layer, and the small steel pipe is logical
It crosses filled layer and is provided with large steel pipe, the bottom of the rail post is provided with bloom in column, and the bottom of bloom is provided with solid in the column
Determine steel plate, the bottom of the fixation steel plate is provided with embedded bar, and expansion joint is provided on the inside of the embedded bar, described to stretch
The side of contracting seam is provided with expansion joint reinforcing bar, and the side of the expansion joint reinforcing bar is provided with angle steel, the side setting of the angle steel
There is rubber strip, is provided with waterproof layer at the top of the rubber strip.
Further, in the column shape of bloom in T-shaped, and in the column top of reinforcing bar and rail post inner wall
Between leave no gaps, while bloom is closely welded with fixation steel plate in the column.
Further, the surface of the waterproof layer is coated with road and bridge waterproof paint specially, and the waterproof layer with a thickness of two
Millimeter, while the waterproof layer is fixedly connected with embedded bar.
Further, the filled layer is made of synthetic rubber, and the filled layer with a thickness of three millimeters, while institute
Filled layer is stated to be flexibly connected with small steel pipe.
Further, there are two the embedded bar settings, and two embedded bars are symmetrical arranged about telescoping tube,
The embedded bar is closely welded with fixation steel plate simultaneously.
Further, the expansion joint includes that the expansion joint reinforcing bar of expansion joint side is arranged in and is arranged in expansion joint reinforcing bar
The angle steel of side and the rubber strip for being provided with angle steel side, and be that expansion joint is fixedly connected with embedded bar.
Compared with prior art, the utility model has the beneficial effects that the telescopic device of this kind of highway bridge guardrail, in original
Have and improve on the basis of guardrail telescopic device and increase, the telescopic device of this kind of highway bridge guardrail be provided with expansion joint and
Telescoping tube, when temperature increases, rail post and concrete expanded by heating generate transversely deforming, small steel pipe rail post generate to two sides
Under transverse pressure, inside entrance large steel pipe slowly, to eliminate the pressure of rail post expanded by heating generation, expansion joint is in concrete
Transverse pressure under, expansion joint reinforcing bar and angle steel are mobile to two sides, and the power being subject to is transmitted to rubber strip, make rubber strip that shape occur
Become, rail post base pressure will be transmitted to, to prevent rail post bottom that tensile deformation occurs, when mercury dropped, rail post and concrete are met
Cold to shrink, small steel pipe is slowly extracted out of large steel pipe under the lateral pull to rail post that rail post generates, to eliminate column
Column contracts on cooling the pulling force of generation, and expansion joint is under the lateral pull of concrete, and expansion joint reinforcing bar and angle steel are to rubber strip direction
It is mobile, and the power being subject to is transmitted to rubber strip, so that rubber strip is shunk deformation, the pressure for being transmitted to rail post bottom is reduced, from
And prevent rail post bottom deformation occurs, and bloom closely welds in fixation steel plate and column, can by fixed more stable of rail post,
The telescopic device of this kind of highway bridge guardrail alleviates concrete expansion or flexible bring deformation pressure well, avoids protecting
Deformation occurs under stress for column bottom, to extend the service life of guardrail
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the expansion joint cross-sectional view of the utility model；
Fig. 3 is the telescoping tube cross-sectional view of the utility model.
In figure: 1, rail post, 2, telescoping tube, 201, small steel pipe, 202, large steel pipe, 203, filled layer, 3, transverse tube, 4, vertical tube,
5, embedded bar, 6, waterproof layer, 7, expansion joint, 701, expansion joint reinforcing bar, 702, angle steel, 703, rubber strip, 8, fixation steel plate, 9,
Bloom in column.
Specific embodiment
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model electrical part model are as follows:
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of telescopic device of highway bridge guardrail, packet
Include rail post 1, telescoping tube 2, small steel pipe 201, large steel pipe 202, filled layer 203, transverse tube 3, vertical tube 4, embedded bar 5, waterproof layer 6,
Bloom 9 in expansion joint 7, expansion joint reinforcing bar 701, angle steel 702, rubber strip 703, fixation steel plate 8 and column, the side setting of rail post 1
There is transverse tube 3, the inside of transverse tube 3 is provided with vertical tube 4, and the other side of rail post 1 is provided with telescoping tube 2, and the side of telescoping tube 2 is provided with
Small steel pipe 201, the side of small steel pipe 201 are provided with filled layer 203, and small steel pipe 201 is provided with large steel pipe by filled layer 203
202, the bottom of rail post 1 is provided with bloom 9 in column, and the bottom of bloom 9 is provided with fixation steel plate 8, the bottom of fixation steel plate 8 in column
It is provided with embedded bar 5, the inside of embedded bar 5 is provided with expansion joint 7, and the side at expansion joint 7 is provided with expansion joint reinforcing bar
701, the side of expansion joint reinforcing bar 701 is provided with angle steel 702, and the side of angle steel 702 is provided with rubber strip 703, rubber strip 703
Top is provided with waterproof layer 6.
Preferably, in column the shape of bloom 9 in T-shaped, and in column between the top of reinforcing bar 9 and the inner wall of rail post 1 not
Gap being stayed, while bloom 9 and fixation steel plate 8 closely weld in column, bloom 9 can allow rail post more stable in T-shaped column,
It is not easy to tilt.
Preferably, the surface of waterproof layer 6 is coated with road and bridge waterproof paint specially, and waterproof layer 6 with a thickness of two millimeters, simultaneously
Waterproof layer 6 is fixedly connected with embedded bar 5, and the waterproof layer 6 that surface is coated with road and bridge waterproof paint specially can be very good to prevent rain
In water penetration to expansion joint 7, extend the service life at expansion joint 7.
Preferably, filled layer 203 is made of synthetic rubber, and filled layer 203 with a thickness of three millimeters, while filled layer
203 are flexibly connected with small steel pipe 201, and the filled layer 203 made of synthetic rubber can fill up small steel pipe 201 and large steel pipe 202
Between gap, avoid water and air from entering inside large steel pipe 202 and cause to get rusty, and elasticity is good for synthetic rubber, will not influence small
The stretching motion of steel pipe 201.
Preferably, there are two the settings of embedded bar 5, and two embedded bars 5 are symmetrical arranged about telescoping tube 2, while pre-
It buries reinforcing bar 5 and fixation steel plate 8 closely to weld, embedded bar 5 can preferably fix 1 rail post, and concrete is expanded with heat and contract with cold production
Raw pressure passes on expansion joint 7.
Preferably, expansion joint 7 includes that the expansion joint reinforcing bar 701 of 7 side of expansion joint is arranged in and is arranged in expansion joint reinforcing bar
The angle steel 702 of 701 sides and the rubber strip 703 for being provided with 702 side of angle steel, and be expansion joint 7 and the fixed company of embedded bar 5
It connects, when concrete causes transversely deforming due to climate temperature variation expands or shrinks, expansion joint reinforcing bar 701 and angle steel
702 to two sides or intermediate movement, and the power received is transmitted to rubber strip 703, and making rubber strip 703, deformation occurs, avoids pressure
It is transmitted to 1 bottom of rail post, deformation occurs to prevent 1 bottom of rail post.
Working principle: firstly, whether staff's check device all parts performance is normal, if finding some component capabilities
It after abnormal, should be repaired or replaced in time, after device all parts performance to be checked is normal, device is placed in finger
Determine operating location and start to work, when temperature increases, rail post 1 and concrete expanded by heating generate transversely deforming, and small steel pipe 201 exists
Under the transverse pressure to two sides that rail post 1 generates, entering inside large steel pipe slowly generates to eliminate 1 expanded by heating of rail post
Pressure, under the transverse pressure of concrete, expansion joint reinforcing bar 701 and angle steel 702 are mobile to two sides at expansion joint 7, and will be by
Power be transmitted to rubber strip 703, making rubber strip 703, deformation occurs, by the pressure for being transmitted to 1 bottom of rail post be decreased to prevent rail post 1
Tensile deformation occurs for bottom, and when mercury dropped, rail post and concrete are shunk to the cold, small steel pipe 201 rail post 1 generate to
It under the lateral pull of rail post 1, slowly extracts out of large steel pipe 203, to eliminate the pulling force that rail post 1 contracts on cooling generation, stretches
For seam 7 under the lateral pull of concrete, expansion joint reinforcing bar 701 and angle steel 702 are mobile to 703 direction of rubber strip, and will be subject to
Power is transmitted to rubber strip 703, and rubber strip 703 is made to shrink deformation, and the pressure that pressure is transmitted to 1 bottom of rail post is decreased to hinder
Only deformation occurs for 1 bottom of rail post, and work is completed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of telescopic device of highway bridge guardrail, including rail post (1), it is characterised in that: the side of the rail post (1) is arranged
Having transverse tube (3), is provided with vertical tube (4) on the inside of the transverse tube (3), the other side of the rail post (1) is provided with telescoping tube (2),
The side of the telescoping tube (2) is provided with small steel pipe (201), and the side of small steel pipe (201) is provided with filled layer (203), described
Small steel pipe (201) is provided with large steel pipe (202) by filled layer (203), and the bottom of the rail post (1) is provided with bloom in column
(9), the bottom of bloom (9) is provided with fixation steel plate (8) in the column, and the bottom of the fixation steel plate (8) is provided with pre-buried steel
Muscle (5) is provided with expansion joint (7) on the inside of the embedded bar (5), and the side of the expansion joint (7) is provided with expansion joint steel
The side of muscle (701), the expansion joint reinforcing bar (701) is provided with angle steel (702), and the side of the angle steel (702) is provided with rubber
Adhesive tape (703) is provided with waterproof layer (6) at the top of the rubber strip (703).
2. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: bloom in the column
(9) shape is in T-shaped, and is left no gaps between the top of bloom (9) and the inner wall of rail post (1) in the column, while institute
Bloom in column (9) and fixation steel plate (8) are stated closely to weld.
3. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the waterproof layer (6)
Surface be coated with road and bridge waterproof paint specially, and the waterproof layer (6) with a thickness of two millimeters, while the waterproof layer (6) with
Embedded bar (5) is fixedly connected.
4. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the filled layer
(203) be made of synthetic rubber, and the filled layer (203) with a thickness of three millimeters, while the filled layer (203) with it is small
Steel pipe (201) is flexibly connected.
5. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the embedded bar
(5) there are two setting, and two embedded bars (5) are symmetrical arranged about telescoping tube (2), while the embedded bar (5)
It is closely welded with fixation steel plate (8).
6. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the expansion joint (7)
In the expansion joint reinforcing bar (701) of expansion joint (7) side and the angle steel in expansion joint reinforcing bar (701) side is set including setting
(702) and it is provided with the rubber strip (703) of angle steel (702) side, and is that expansion joint (7) is fixedly connected with embedded bar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351130.XU CN208748515U (en) | 2018-08-22 | 2018-08-22 | A kind of telescopic device of highway bridge guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351130.XU CN208748515U (en) | 2018-08-22 | 2018-08-22 | A kind of telescopic device of highway bridge guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208748515U true CN208748515U (en) | 2019-04-16 |
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ID=66080880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821351130.XU Active CN208748515U (en) | 2018-08-22 | 2018-08-22 | A kind of telescopic device of highway bridge guardrail |
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| Country | Link |
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| CN (1) | CN208748515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482223A (en) * | 2020-11-02 | 2021-03-12 | 中交二公局东萌工程有限公司 | Method for cutting expansion joint of bridge guardrail |
-
2018
- 2018-08-22 CN CN201821351130.XU patent/CN208748515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482223A (en) * | 2020-11-02 | 2021-03-12 | 中交二公局东萌工程有限公司 | Method for cutting expansion joint of bridge guardrail |
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