CN217174359U - Height self-adaptive expansion joint device for pedestrian bridge - Google Patents
Height self-adaptive expansion joint device for pedestrian bridge Download PDFInfo
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- CN217174359U CN217174359U CN202220129599.9U CN202220129599U CN217174359U CN 217174359 U CN217174359 U CN 217174359U CN 202220129599 U CN202220129599 U CN 202220129599U CN 217174359 U CN217174359 U CN 217174359U
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- cover plate
- expansion joint
- upper cover
- mounting base
- fixing base
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Abstract
The utility model discloses a high self-adaptation expansion joint device of passenger bridge. Arranging placing grooves at the beam ends on the two sides of the expansion joint, arranging a mounting base, welding the tops of two side plates of the mounting base with the top plate, welding the bottoms of the side plates with the platform steel plate, and adjusting the heights of the side plates; the top plate of the mounting base, the water stop belt and the cover plate fixing base are fixed together through the anchor expansion bolt; limiting parts are respectively welded on two sides of the inner cover plate to limit the displacement of the upper cover plate along the longitudinal bridge direction; equidistant bolt holes are reserved in the center of the upper cover plate, sleeves are welded at the corresponding positions of the inner cover plate, and the upper cover plate and the inner cover plate are fastened through sliding rod piece stainless steel bolts. The utility model can automatically adjust the height of the expansion joint mounting base through the side plate of the mounting base, so as to overcome the error possibly existing in the mounting process and adapt to the bridge deck pavement with different thicknesses, and the device has simple structure; the aluminum alloy cover plate and the aluminum alloy base have low cost, are not easy to rust, have beautiful appearance and are easy to replace.
Description
Technical Field
The utility model belongs to the technical field of the bridge building, concretely relates to high self-adaptation expansion joint device of foot bridge.
Background
The expansion joint is an important device meeting the deformation requirement of the bridge, and the bridge can be ensured to be freely deformed under the influences of vehicle load, temperature change, concrete contraction, creep and the like. The expansion joint is in two directions of parallel, perpendicular to bridge axis, and the homoenergetic is freely flexible, and requires firmly reliably, will prevent that infiltration such as rainwater, rubbish, earth from causing the jam, and installation, inspection, maintenance, elimination filth all will be simple and easy convenient simultaneously. When the expansion joint is arranged on the roadway, the expansion joint is also arranged on the sidewalk.
The conventional method for the expansion joint of the pedestrian bridge is a U-shaped zinc sheet type expansion joint or a steel plate lap joint, the expansion joint device is simple and thin, and is not effectively connected with a beam body, and the expansion joint device and the bridge deck pavement at the expansion joint are frequently broken off after being used for a period of time. And a part of pedestrian bridges use roadway telescopic devices, so that the price is high, and the load of the pedestrian roadways is much smaller than that of the roadway, so that the resource waste is caused.
Disclosure of Invention
The utility model discloses not enough to current footbridge expansion joint exists provides one kind with roof beam body connectivity good, be convenient for change, and simple structure, low cost's high self-adaptation expansion joint device of footbridge.
The technical scheme for realizing the purpose of the utility model provides a pedestrian bridge height self-adaptive expansion joint device, which comprises an installation base, a water stop, a cover plate fixing base, an inner cover plate, a limiting piece and an upper cover plate; the mounting base is composed of a top plate, an inner side plate and an outer side plate which are vertically fixed on two sides of the top plate; two sides of the water stop are respectively arranged on the top plate, the cover plate fixing base is arranged on the water stop at two sides corresponding to the mounting base, and the top plate, the water stop and the cover plate fixing base are fixed through the anchor expansion bolts; the cover plate fixing base is provided with a special-shaped bayonet, both sides of the inner cover plate are respectively provided with a limiting piece along the whole length of the expansion joint direction, and the limiting pieces are respectively correspondingly arranged in the special-shaped bayonet of the cover plate fixing base; a plurality of reserved bolt holes are formed in the center of the upper cover plate at equal intervals, sleeves are welded to the positions, corresponding to the reserved bolt holes, of the inner cover plate, the upper cover plate and the inner cover plate are fastened through sliding rod piece stainless steel bolts, and a set of pedestrian bridge height self-adaptive expansion joint device is formed.
The utility model discloses an optimal technical scheme is: the center of the upper cover plate is provided with the reserved bolt holes at equal intervals of 50-60 cm.
The utility model provides a pair of pedestrian bridge height self-adaptation expansion joint device, apron fixed baseplate and upper cover plate are aluminum alloy material.
The utility model discloses set up the standing groove at expansion joint both sides beam-ends, set up expansion joint mounting base; the expansion joint mounting base is formed by welding three plates, and the heights of the two side plates can be adjusted to adapt to bridge deck pavement and mounting errors with different thicknesses; two limiting devices are welded on the inner cover plate and fixed in the special-shaped bayonet of the cover plate fixing base, and the displacement of the upper cover plate along the longitudinal bridge direction can be limited.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses expansion joint mounting base is formed by three board welding, and two adjustable height of curb plate to the bridge deck pavement and the installation error that adapt to different thickness, device simple structure, it is convenient to be under construction.
2. The utility model discloses an apron fixed baseplate and upper cover plate are aluminum alloy material, with low costs, do not take place the corrosion, more pleasing to the eye and change after convenient.
Drawings
Fig. 1 is a schematic front view of a structure of a device for adjusting an expansion joint according to the height of a pedestrian bridge provided by an embodiment of the present invention;
fig. 2 is a schematic top view of a structure of a height adaptive expansion joint device for a pedestrian bridge according to an embodiment of the present invention.
In the figure, 1, a steel box girder top plate; 2. a platform steel plate; 3. a reinforced cement mortar layer; 4. granite antiskid plates; 5. a cover plate fixing base; 6. plastic anchor bolts; 7. a top plate; 8. an inner side plate; 9. an outer panel; 10. a water stop; 11. an inner cover plate; 12. a limiting member; 13. a stainless steel bolt of the sliding rod piece; 14. an aluminum alloy cover plate; 15. a sleeve; 16. and reserving bolt holes.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
Referring to fig. 1 and 2, they are respectively a schematic front view and a schematic top view of the installation structure of the pedestrian bridge height adaptive expansion joint device provided in this embodiment; in this embodiment, the superstructure of expansion joint both sides passenger bridge is: the steel box girder top plate 1 is sequentially provided with a platform steel plate 2, a reinforced cement mortar layer 3 and a granite antiskid plate 4.
The expansion joint device provided by the embodiment comprises an installation base, a water stop 10, a cover plate fixing base, an inner cover plate 11, a limiting piece 12 and an upper cover plate 14; arranging placing grooves at the beam ends on the two sides of the expansion joint, and respectively installing bases of the expansion joint devices; the upper cover plate is arranged on the granite antiskid plates at two sides of the expansion joint. The installation base of the expansion joint device is formed by welding a top plate 7 with three plates, namely an inner side plate 8 and an outer side plate 9, which are vertically arranged on two sides of the top plate, the bottoms of the inner side plate 8 and the outer side plate 9 are welded with a platform steel plate 2, and the height of the installation base can be adjusted to adapt to bridge deck pavement with different thicknesses.
Two sides of a water stop 10 are respectively arranged on a top plate 7, a cover plate fixing base 5 is made of aluminum alloy materials and is arranged on the water stop on the two sides corresponding to an installation base, the top plate, the water stop and the cover plate fixing base are fixed together through an expansion anchor bolt 6, a special-shaped bayonet is formed in the cover plate fixing base, two sides of an inner cover plate 11 are respectively welded with limiting parts 12, the limiting parts are respectively arranged in the special-shaped bayonet of the cover plate fixing base and are arranged along the direction of a telescopic seam in a full-length mode to limit the displacement of the upper cover plate along the longitudinal bridge direction; the upper cover plate is an aluminum alloy plate, reserved bolt holes 16 are arranged at the center of the upper cover plate at intervals of 50cm, sleeves 15 are welded at the positions, corresponding to the reserved bolt holes, of the inner cover plate, and the upper cover plate 14 and the inner cover plate 11 are fastened through sliding rod piece stainless steel bolts 13 to form a set of pedestrian bridge height self-adaptive expansion joint device.
In bridge construction technical field, the utility model provides a high self-adaptation expansion joint device of people's bank of china bridge, the adjustable height of expansion joint mounting base to the bridge deck pavement and the installation error of adaptation different thickness, the device simple structure, it is convenient to be under construction, the upper cover plate of aluminum alloy and the base of aluminum alloy with low costs, do not take place the corrosion, more beautifully just change after convenient.
Claims (3)
1. The utility model provides a high self-adaptation expansion joint device of foot bridge which characterized in that: the water-stop device comprises a mounting base, a water-stop belt (10), a cover plate fixing base (5), an inner cover plate (11), a limiting piece (12) and an upper cover plate (14); the mounting base is composed of a top plate (7), an inner side plate (8) and an outer side plate (9) which are vertically fixed on two sides of the top plate; two sides of the water stop are respectively arranged on the top plate, the cover plate fixing base is arranged on the water stop at two sides corresponding to the mounting base, and the top plate, the water stop and the cover plate fixing base are fixed through the expanding anchor bolt (6); the cover plate fixing base is provided with a special-shaped bayonet, both sides of the inner cover plate are respectively provided with a limiting piece along the whole length of the expansion joint direction, and the limiting pieces are respectively correspondingly arranged in the special-shaped bayonet of the cover plate fixing base; a plurality of reserved bolt holes (16) are arranged at the center of the upper cover plate at equal intervals, sleeves (15) are welded at the positions, corresponding to the reserved bolt holes, on the inner cover plate, the upper cover plate and the inner cover plate are fastened through sliding rod piece stainless steel bolts (13), and a set of pedestrian bridge height self-adaptive expansion joint device is formed.
2. The device for self-adapting expansion joint of pedestrian bridge height according to claim 1, wherein: the center of the upper cover plate is provided with the reserved bolt holes at equal intervals of 50-60 cm.
3. The device for self-adapting expansion joint of pedestrian bridge height according to claim 1, wherein: the cover plate fixing base and the upper cover plate are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220129599.9U CN217174359U (en) | 2022-01-18 | 2022-01-18 | Height self-adaptive expansion joint device for pedestrian bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220129599.9U CN217174359U (en) | 2022-01-18 | 2022-01-18 | Height self-adaptive expansion joint device for pedestrian bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217174359U true CN217174359U (en) | 2022-08-12 |
Family
ID=82735277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220129599.9U Active CN217174359U (en) | 2022-01-18 | 2022-01-18 | Height self-adaptive expansion joint device for pedestrian bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217174359U (en) |
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2022
- 2022-01-18 CN CN202220129599.9U patent/CN217174359U/en active Active
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