CN220767702U - Longitudinal telescopic device for widening old bridge - Google Patents
Longitudinal telescopic device for widening old bridge Download PDFInfo
- Publication number
- CN220767702U CN220767702U CN202322333400.1U CN202322333400U CN220767702U CN 220767702 U CN220767702 U CN 220767702U CN 202322333400 U CN202322333400 U CN 202322333400U CN 220767702 U CN220767702 U CN 220767702U
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- vertical plate
- steel
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- plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of telescopic devices, and discloses a longitudinal telescopic device for widening an old bridge. The main technical characteristics are as follows: including the first horizontal telescoping device, the second horizontal telescoping device of setting in a wrong way, first horizontal telescoping device, second horizontal telescoping device between be provided with left shaped steel, right shaped steel, the middle part of left shaped steel, right shaped steel is provided with the expansion tank, the expansion tank includes left vertical riser, right vertical riser, a plurality of horizontal riser, apron, expansion tank both sides are provided with left horizontal flexible steel sheet, right horizontal flexible steel sheet, the front portion of left shaped steel is connected with first horizontal telescoping device, the rear portion of right shaped steel is connected with second horizontal telescoping device. The longitudinal expansion device for widening the old bridge provided by the utility model can meet the longitudinal expansion of the expansion joints of both the old and the new, and also can meet the transverse expansion of the old and the new bridge, so that the expansion of the old bridge and the widening bridge are synchronous.
Description
Technical Field
The utility model belongs to the technical field of telescopic devices, and particularly relates to a longitudinal telescopic device for widening an old bridge.
Background
In the construction of the old bridge without dismantling the widened bridge, the expansion joint position of the widened bridge and the expansion joint position of the original old bridge are not on the same transverse axis due to the different pier column positions and the different back wall positions, the old bridge and the widened bridge are asynchronous in expansion and contraction, and adverse effects are caused on the use of the bridge.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a longitudinal expansion device for expanding an old bridge, which is synchronous with expansion of the widened bridge.
In order to solve the technical problems, the utility model adopts the following technical scheme: including the first horizontal telescoping device, the horizontal telescoping device of looks setting, first horizontal telescoping device, the horizontal telescoping device of second between be provided with left shaped steel, right shaped steel, left shaped steel includes left surface loading board, left side supports the riser, the middle part of left shaped steel is provided with left U type groove, right side shaped steel includes right surface loading board, right side supports the riser, the middle part of right shaped steel is provided with the right U type groove with left U type groove assorted, be provided with the expansion tank in the frame that left U type groove, right U type inslot constitutes, the expansion tank includes left vertical riser, right vertical riser, be provided with a plurality of horizontal risers between left vertical riser, right vertical riser, be provided with the apron above horizontal riser, left vertical riser is provided with left horizontal flexible steel sheet between left vertical riser and the right side support riser, the front portion of left side support riser is connected with first horizontal telescoping device, the middle part and the rear portion of left side support riser are provided with left anchor riser, the rear portion is provided with left horizontal anchor riser and right anchor riser, the front portion is connected with right horizontal anchor riser.
The utility model provides a longitudinal expansion device for widening an old bridge, wherein a longitudinal expansion device formed by left steel and right steel is arranged between a first transverse expansion device arranged on the old bridge and a second transverse expansion device arranged on the widened bridge. The left section steel and the right section steel of the longitudinal expansion device are integrated by the expansion box, the left transverse expansion elastic steel plate and the right transverse expansion elastic steel plate, so that the transverse expansion of new and old bridges is met. The front part of the left supporting vertical plate of the longitudinal expansion device is connected with the first transverse expansion device, the rear part of the right supporting vertical plate is connected with the second transverse expansion device, the longitudinal expansion device connects the first transverse expansion device with the second transverse expansion device, the new expansion joint and the old expansion joint are integrated, and the old bridge is synchronous with the longitudinal expansion of the widened bridge. The longitudinal expansion device for widening the old bridge provided by the utility model can meet the longitudinal expansion of the expansion joints of both the old and the new, and also can meet the transverse expansion of the old and the new bridge, so that the expansion of the old bridge and the widening bridge are synchronous.
Drawings
FIG. 1 is a schematic view of a longitudinal expansion device for widening an old bridge according to the present utility model;
FIG. 2 is a top view of the left and right section steel;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B in FIG. 2;
FIG. 5 is a cross-sectional view of C-C in FIG. 2;
FIG. 6 is a bottom view of the left and right section steels;
FIG. 7 is a bottom view of the bellows;
FIG. 8 is a schematic structural view of left and right section steel;
FIG. 9 is a schematic view of the structure of the bellows;
fig. 10 is a schematic view of the structure of the right transverse expansion elastic steel plate.
Detailed Description
The specific construction of a longitudinal telescopic device for widening an old bridge according to the present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, the longitudinal expansion device for widening the old bridge of the present utility model comprises a first transverse expansion device 1 and a second transverse expansion device 2 which are arranged in a staggered manner, a left steel 3 and a right steel 4 are arranged between the first transverse expansion device 2 and the second transverse expansion device 2, the left steel 3 comprises a left surface bearing plate 5 and a left supporting vertical plate 6, the middle part of the left steel 3 is provided with a left U-shaped groove 7, the right steel 4 comprises a right surface bearing plate 8 and a right supporting vertical plate 9, the middle part of the right steel 4 is provided with a right U-shaped groove 10 matched with the left U-shaped groove 7, a expansion box 11 is arranged in a frame formed by the left U-shaped groove 7 and the right U-shaped groove 10, the expansion tank 11 comprises a left longitudinal vertical plate 12 and a right longitudinal vertical plate 13, a plurality of transverse vertical plates 14 are arranged between the left longitudinal vertical plate 12 and the right longitudinal vertical plate 13, a cover plate 15 is arranged on the left longitudinal vertical plate 12, the right longitudinal vertical plate 13 and the transverse vertical plate 14, a left transverse expansion elastic steel plate 16 is arranged between the left longitudinal vertical plate 12 and the left support vertical plate 6, a right transverse expansion elastic steel plate 17 is arranged between the right longitudinal vertical plate 13 and the right support vertical plate 9, the front part of the left support vertical plate 6 is connected with the first transverse expansion device 1, the middle part and the rear part of the left support vertical plate 6 are provided with left anchoring steel plates 18, the rear part of the right support vertical plate 9 is connected with the second transverse expansion device 2, and the front part and the middle part of the right support vertical plate 9 are provided with left anchoring steel plates 19.
The utility model provides a longitudinal expansion device for widening an old bridge, wherein a longitudinal expansion device formed by left section steel 3 and right section steel 4 is arranged between a first transverse expansion device 1 arranged on the old bridge and a second transverse expansion device 2 arranged on the widened bridge. The left section steel 3 and the right section steel 4 of the longitudinal expansion device are integrated by the expansion box 11, the left transverse expansion elastic steel plate 16 and the right transverse expansion elastic steel plate 17, so that the transverse expansion of new and old bridges is met. The front part of a left supporting vertical plate 6 of the longitudinal expansion device is connected with a first transverse expansion device 1, the rear part of a right supporting vertical plate 6 is connected with a second transverse expansion device 2, the longitudinal expansion device connects the first transverse expansion device 1 with the second transverse expansion device 2, new expansion joints and old expansion joints are integrated, and the old bridge is synchronous with the longitudinal expansion of the widened bridge. The longitudinal expansion device for widening the old bridge provided by the utility model can meet the longitudinal expansion of the expansion joints of both the old and the new, and also can meet the transverse expansion of the old and the new bridge, so that the expansion of the old bridge and the widening bridge are synchronous.
The longitudinal telescopic device for widening the old bridge provided by the utility model is not limited to the structure, and any modification, equivalent replacement, improvement and the like based on the utility model are included in the protection scope of the utility model.
Claims (1)
1. A vertical telescoping device for old bridge widens, including the first horizontal telescoping device, the second horizontal telescoping device of looks mistake setting, its characterized in that: the first transverse expansion device and the second transverse expansion device are arranged between the left steel and the right steel, the left steel comprises a left surface bearing plate and a left supporting vertical plate, a left U-shaped groove is formed in the middle of the left steel, the right steel comprises a right surface bearing plate and a right supporting vertical plate, a right U-shaped groove matched with the left U-shaped groove is formed in the middle of the right steel, an expansion box is arranged in a frame formed by the left U-shaped groove and the right U-shaped groove, the expansion box comprises a left longitudinal vertical plate and a right longitudinal vertical plate, a plurality of transverse vertical plates are arranged between the left longitudinal vertical plate and the right longitudinal vertical plate, a cover plate is arranged above the left longitudinal vertical plate, a left transverse expansion elastic steel plate is arranged between the left longitudinal vertical plate and the left supporting vertical plate, a right transverse expansion elastic steel plate is arranged between the right longitudinal vertical plate and the right supporting vertical plate, the front part of the left supporting vertical plate is connected with the first transverse expansion device, a left anchoring steel plate is arranged at the middle part and the rear part of the left supporting vertical plate, a plurality of transverse steel plates are connected with the second transverse expansion device, and a left steel plate is arranged at the front part of the right supporting vertical plate and the front part of the right supporting vertical plate is connected with the right transverse expansion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333400.1U CN220767702U (en) | 2023-08-30 | 2023-08-30 | Longitudinal telescopic device for widening old bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333400.1U CN220767702U (en) | 2023-08-30 | 2023-08-30 | Longitudinal telescopic device for widening old bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767702U true CN220767702U (en) | 2024-04-12 |
Family
ID=90614610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322333400.1U Active CN220767702U (en) | 2023-08-30 | 2023-08-30 | Longitudinal telescopic device for widening old bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767702U (en) |
-
2023
- 2023-08-30 CN CN202322333400.1U patent/CN220767702U/en active Active
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