CN220813460U - Low-clearance spliced wide bridge transverse-moving temporary pier auxiliary supporting system - Google Patents
Low-clearance spliced wide bridge transverse-moving temporary pier auxiliary supporting system Download PDFInfo
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- CN220813460U CN220813460U CN202322469413.1U CN202322469413U CN220813460U CN 220813460 U CN220813460 U CN 220813460U CN 202322469413 U CN202322469413 U CN 202322469413U CN 220813460 U CN220813460 U CN 220813460U
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- sliding
- spliced
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The utility model discloses a low-clearance spliced wide bridge transverse temporary pier auxiliary supporting system, which comprises steel pipe upright posts, distribution beams, cushion blocks and a transverse moving mechanism, wherein the steel pipe upright posts are upwards arranged at the outer sides of the bottoms of the existing steel box girders in a transverse bridge, the distribution beams are erected at the top ends of the adjacent steel pipe upright posts, the cushion blocks are distributed at intervals along the distribution beams, and the transverse moving mechanism is arranged on the cushion blocks; the transverse moving mechanism comprises sliding rails and sliding shoes, wherein the sliding rails are transversely arranged and erected above the cushion blocks, the number of the sliding shoes is two and correspondingly assembled on the sliding rails, and steel beams are erected above the sliding shoes. The utility model has the advantages that: the temporary pier auxiliary supporting system can realize the widening of the bridge under the condition of low clearance and can smoothly dismantle the temporary steel pipe stand column after the widening is completed.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to an auxiliary support system for a transverse temporary pier of a low-clearance spliced wide bridge.
Background
The upper structure of the old bridge is a cast-in-situ concrete beam, and the newly-built spliced wide bridge is a prefabricated steel box beam and a concrete bridge deck. The temporary pier auxiliary support is required to be arranged during the construction of the width-spliced bridge, and the temporary pier adopts two specification forms, namely a double-width-spliced bridge temporary pier and a single-width-spliced bridge temporary pier. In the construction process of the low-clearance spliced wide bridge, the space is limited, and the steel pipe piles are directly supported at the bottom of the steel beam, so that the temporary pier is difficult to dismantle.
Disclosure of Invention
According to the defects of the prior art, the utility model provides the temporary pier auxiliary supporting system for the transverse movement of the low-clearance width-spliced bridge, which is characterized in that steel pipe columns are arranged outside a transverse bridge of an existing steel box girder, a distribution girder and cushion blocks are erected, and a transverse movement mechanism is arranged on the distribution girder to realize the transverse movement of the width-spliced girder, and after the erection of the width-spliced girder is completed, a space can be reserved for the steel pipe columns to be pulled out after the distribution girder is pulled out.
The utility model is realized by the following technical scheme:
the utility model provides a wide bridge sideslip temporary mound auxiliary support system is pieced together to low headroom, its characterized in that temporary mound auxiliary support system includes steel pipe stand, distribution beam, cushion and sideslip mechanism, the steel pipe stand upwards arranges in the bottom outside of existing steel box girder at the transverse bridge, the distribution beam is erect and is located adjacent steel pipe stand top, the cushion is followed the distribution beam interval is laid, the sideslip mechanism framework is located on the cushion.
The width-spliced bridge is a double-width-spliced bridge, and the number of the steel pipe upright posts is three.
The transverse moving mechanism comprises sliding rails and sliding shoes, wherein the sliding rails are transversely arranged and erected above the cushion blocks, the number of the sliding shoes is two and correspondingly assembled on the sliding rails, and steel beams are erected above the sliding shoes.
The sliding rail is characterized in that a limit stop is fixedly arranged on one side of the sliding rail, a transverse sliding limit reaction frame is arranged on the other side of the sliding rail, a center penetrating jack is arranged on the transverse sliding limit reaction frame, and the center penetrating jack pulls the sliding shoe through a steel strand.
The utility model has the advantages that: the temporary pier auxiliary supporting system can realize the widening of the bridge under the condition of low clearance and can smoothly dismantle the temporary steel pipe stand column after the widening is completed.
Drawings
FIG. 1 is a schematic view of a temporary pier auxiliary supporting system according to the present utility model;
FIG. 2 is a schematic illustration of the slippage of a steel beam on a temporary pier auxiliary support system in accordance with the present utility model;
FIG. 3 is a schematic view of the arrangement of steel pipe columns of a single width bridge in the utility model;
FIG. 4 is a schematic view of the arrangement of steel pipe columns of a double width bridge according to the present utility model;
FIG. 5 is a schematic drawing of the present utility model with the distribution beam removed after the girder erection is completed;
FIG. 6 is a schematic drawing showing the removal of a steel pipe column according to the present utility model;
FIG. 7 is a schematic view of the present utility model with a deck disposed over a tiled wide bridge.
Detailed Description
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
As shown in fig. 1-7, the labels in the figures are respectively: the steel beam comprises a steel beam 1, steel pipe columns 2, a distribution beam 3, a cushion block 4, a sliding rail 5, sliding shoes 6, limit stops 7, steel strands 8, a transverse sliding limit reaction frame 9, a penetrating jack 10, an existing steel box beam 11, a vibrating hammer 12 and a bridge deck 13.
Examples: as shown in fig. 1 and 2, this embodiment specifically relates to a temporary pier auxiliary supporting system for a low-clearance spliced-width bridge, which comprises steel pipe columns 2, distribution beams 3, cushion blocks 4 and a traversing mechanism, wherein the steel pipe columns 2 are upwards arranged at the outer sides of the bottoms of the existing steel box girders 11 in a transverse bridge, the distribution beams 3 are erected at the top ends of the adjacent steel pipe columns 2 and are specifically arranged in a transverse bridge direction, the cushion blocks 4 are distributed at intervals along the distribution beams 3, and the traversing mechanism is arranged on the cushion blocks 4.
As shown in fig. 3, when the bridge to be spliced and widened is a single-width bridge, the number of the steel pipe columns 2 is two rows; as shown in fig. 4, when the bridge to be spliced and widened is a double-width bridge, the number of the steel pipe columns 2 is three.
As shown in fig. 1 and 2, the traversing mechanism comprises a sliding rail 5 and sliding shoes 6, the sliding rail 5 is transversely arranged and erected above each cushion block 4, the number of the sliding shoes 6 is two and correspondingly assembled on the sliding rail 5, and the steel beam 1 is erected above the sliding shoes 6. One side of the sliding rail 5 is fixedly provided with a limit stop 7, the other side is provided with a transverse sliding limit reaction frame 9, a center penetrating jack 10 is arranged on the transverse sliding limit reaction frame 9, and the center penetrating jack 10 pulls the two sliding shoes 6 through the steel stranded wires 8, so that the steel beam 1 is driven to slide and transversely move on the sliding rail 5.
As shown in fig. 1, 2, 4, 5, 6 and 7, the working method of the low-clearance spliced wide bridge traversing temporary pier auxiliary supporting system in the embodiment comprises the following steps:
(1) After the construction of the lower structure is completed, a temporary pier in the spliced wide bridge span is firstly arranged, and the temporary pier auxiliary supporting system sequentially comprises the following components from bottom to top: the steel pipe column 2, the distribution beam 3 and the cushion block 4, wherein the model of the steel pipe column 2 is phi 630 multiplied by 10, and the model of the distribution beam 3 is 2I40a. It is worth noting that the steel pipe column 2 is located outside the bottom of the existing steel box girder 11 at the position of the transverse arrangement. A traversing mechanism is arranged above the lower distributing beam 3.
(2) The girder 1 is erected by using the crawler crane, for a double-width spliced wide bridge, the first girder 1 is hoisted to the outer side position by using the crawler crane, and is transversely moved to the inner side design position by using the transverse moving mechanism arranged at the top of the pier column, and the jacks at the two ends of the girder 1 are synchronously pulled, so that the longitudinal relative position of the girder 1 is ensured to be constant. And fine adjustment should be performed immediately after the sliding in place, and the mounting support is locked. And hoisting the second steel girder 1 to the outer design position.
(3) Through the movable pushing mechanism arranged between the steel pipe upright post 2 and the distribution beam 3, the distribution beam 3 is laterally ejected out from between the bottom of the steel beam 1 and the steel pipe upright post 2, so that the steel beam 1 falls on the pier column, and an operation space is created for the vertical pulling out of the steel pipe upright post 2.
(4) And the top of the steel pipe column 2 is clamped by the vibrating hammer 12, the steel pipe column 2 is pulled out along the vertical space positions of the two sides of the steel beam 1, and the bridge construction temporary pier is removed under the low clearance condition.
(5) And further constructing a bridge deck system of the spliced wide bridge, namely a bridge deck 13, and completing the integral construction of the spliced wide bridge.
The beneficial effects of this embodiment are: the method improves temporary pier arrangement and transverse movement of the spliced wide bridge, is convenient for construction and improves work efficiency; the temporary pier auxiliary supporting system can realize the widening of the bridge under the condition of low clearance and can smoothly dismantle the temporary steel pipe stand column after the widening is completed.
Claims (4)
1. The utility model provides a wide bridge sideslip temporary mound auxiliary support system is pieced together to low headroom, its characterized in that temporary mound auxiliary support system includes steel pipe stand, distribution beam, cushion and sideslip mechanism, the steel pipe stand upwards arranges in the bottom outside of existing steel box girder at the transverse bridge, the distribution beam is erect and is located adjacent steel pipe stand top, the cushion is followed the distribution beam interval is laid, the sideslip mechanism framework is located on the cushion.
2. The auxiliary support system for the transverse temporary piers of the low-clearance width-spliced bridge, which is disclosed in claim 1, is characterized in that the width-spliced bridge is a double-width-spliced bridge, and the number of the steel pipe columns is three.
3. The auxiliary support system for the transverse temporary piers of the low-clearance spliced wide bridge is characterized in that the transverse mechanism comprises a sliding rail and sliding shoes, wherein the sliding rail is transversely arranged and erected above all cushion blocks, the number of the sliding shoes is two and correspondingly assembled on the sliding rail, and steel beams are erected above the sliding shoes.
4. The auxiliary support system for the transverse temporary pier of the low-clearance spliced wide bridge is characterized in that a limit stop is fixedly arranged on one side of the sliding rail, a transverse sliding limit reaction frame is arranged on the other side of the sliding rail, a penetrating jack is arranged on the transverse sliding limit reaction frame, and the penetrating jack pulls the sliding shoe through a steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469413.1U CN220813460U (en) | 2023-09-12 | 2023-09-12 | Low-clearance spliced wide bridge transverse-moving temporary pier auxiliary supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469413.1U CN220813460U (en) | 2023-09-12 | 2023-09-12 | Low-clearance spliced wide bridge transverse-moving temporary pier auxiliary supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813460U true CN220813460U (en) | 2024-04-19 |
Family
ID=90709389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322469413.1U Active CN220813460U (en) | 2023-09-12 | 2023-09-12 | Low-clearance spliced wide bridge transverse-moving temporary pier auxiliary supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813460U (en) |
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2023
- 2023-09-12 CN CN202322469413.1U patent/CN220813460U/en active Active
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