CN221029654U - Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction - Google Patents
Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction Download PDFInfo
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- CN221029654U CN221029654U CN202322931492.3U CN202322931492U CN221029654U CN 221029654 U CN221029654 U CN 221029654U CN 202322931492 U CN202322931492 U CN 202322931492U CN 221029654 U CN221029654 U CN 221029654U
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 157
- 239000010959 steel Substances 0.000 claims abstract description 157
- 238000009415 formwork Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
The utility model discloses a movable telescopic deformation platform suitable for construction of a variable-section thin-wall hollow pier, relates to the technical field of bridge engineering, and solves the technical problems of limited space operation, increased engineering quantity, large quantity of splicing operation, high-altitude risk, low assembly and disassembly efficiency, extremely large risk in the assembly and disassembly process, long period, increased total construction cost, inconvenience for constructors and high risk coefficient in the construction of an existing bridge hollow pier inner mold; comprising the following steps: the first double-spliced channel steels are uniformly distributed and are positioned in the hollow piers, and the first double-spliced channel steels are arranged along the bridge direction; two symmetrically arranged second double-spliced channel steels are arranged close to the cambered surface inner wall of the hollow pier. The utility model is convenient to adjust the size of the platform according to the variable cross-section size of the hollow pier, not only avoids the condition that the platform cannot move up and down due to the limitation of the space of the field, but also shortens the time for the platform to move up and down, and has good economic and social benefits.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, and particularly relates to a movable telescopic deformation platform suitable for construction of a variable-section thin-wall hollow pier.
Background
The variable-section hollow pier is the most common lower structural form in bridges in Yun Guichuan equal-altitude provinces, particularly the bridge form is more common when the bridge form is higher, and mainly is the variable-section hollow thin-wall pier structural form. The original technology for internal mold construction of the variable-section hollow thin-wall pier is to set up a steel pipe bracket in the pier from bottom to top until the pier top construction is finished, and then to dismount the bracket.
In daily construction, the steel pipe support has a plurality of potential safety hazards, and the main potential hazards are as follows: 1. limited space operation; 2. the construction cost is increased along with the increase of the engineering quantity of the rod piece with the increase of the height; 3. a large amount of splicing operation; 4. each time the building and splicing are performed, the overhead operation is performed, the higher the height is, the greater the construction risk is, and the greater the construction hidden danger exists; 5. the assembly and disassembly effects are low, the risk in the assembly and disassembly process is extremely high, the construction period is relatively long, and the total construction cost is increased; 6. along with the increase of the height, the cross section area becomes narrower, and a trapezoid structure (with a narrow upper opening and a wide lower opening) is formed, so that constructors are inconvenient to go up and down, and the risk coefficient is high.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a movable telescopic deformation platform suitable for construction of a variable-section thin-wall hollow pier, which solves the problems of limited space operation, increased engineering quantity, large quantity of splicing operation, high-altitude risk, low assembly and disassembly efficiency, extremely large risk in assembly and disassembly process, long period, increased total construction cost, inconvenience for constructors and high risk coefficient in the construction of the existing hollow pier inner mould of the bridge.
To achieve the above object, an embodiment according to a first aspect of the present utility model provides a movable type expansion deformation platform suitable for construction of a variable cross-section thin wall hollow pier, including:
The first double-spliced channel steels are uniformly distributed and are positioned in the hollow piers, and the first double-spliced channel steels are arranged along the bridge direction;
two symmetrically arranged second double-spliced channel steels which are arranged close to the inner wall of the cambered surface of the hollow pier, wherein the second double-spliced channel steels are arranged along the bridge direction;
The two symmetrically arranged third double-spliced channel steels are welded at the tops of the first double-spliced channel steels, and the third double-spliced channel steels are arranged along the transverse bridge direction;
The first single-spliced channel steel is inserted into the first double-spliced channel steel and the second double-spliced channel steel, and the first single-spliced channel steel is used for stretching and deforming in the first double-spliced channel steel and the second double-spliced channel steel;
The second single-spliced channel steel is spliced in the third double-spliced channel steel, the bottom of the second single-spliced channel steel is welded with the top of the second double-spliced channel steel, and the second single-spliced channel steel is used for stretching deformation in the third double-spliced channel steel.
As a further technical scheme of the utility model, a hanging point is arranged at the junction of the first double-spliced channel steel and the third double-spliced channel steel.
As a further technical scheme of the utility model, the first double-spliced channel steel, the third double-spliced channel steel and the first single-spliced channel steel are used for supporting the flat template, and the second double-spliced channel steel and the second single-spliced channel steel are used for supporting the circular arc template.
As a further technical scheme of the utility model, the hanging point comprises a steel plate welded at the junction of the first double-spliced channel steel and the third double-spliced channel steel, and a hanging hole is formed in the steel plate.
As a further technical scheme of the utility model, the first single-spelling groove steel is fixed on the back edge of the flat template, and the second single-spelling groove steel is fixed on the back edge of the circular arc template.
As a further technical scheme of the utility model, a through hole is formed in the end part of the first single-spliced channel steel, and an L-shaped bolt for limiting is inserted into the through hole.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the first double-spliced channel steel arranged along the bridge direction and the two third double-spliced channel steels arranged along the transverse bridge direction are welded to conveniently form the integral stress platform, the telescopic first single-spliced channel steel is matched to conveniently support and mount the flat template of the platform, the telescopic second double-spliced channel steel arranged close to the inner wall of the cambered surface of the hollow pier is matched to conveniently support and mount the circular arc template of the platform, the first single-spliced channel steel and the second single-spliced channel steel conveniently carry out corresponding telescopic adjustment according to the size of the variable-section pier body, so that the telescopic deformation platform is conveniently formed in the hollow pier, the platform is conveniently lifted up and down by being matched with the lifting point, the time for lifting the platform up and down is shortened, the method has good economic benefit and social benefit, the working efficiency is improved, and the construction safety is improved.
Drawings
FIG. 1 is a schematic top view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
Fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a first double-spliced channel steel; 2. a hollow pier; 3. a second double-spliced channel steel; 4. a third double-spliced channel steel; 5. a first single-splice channel steel; 6. a second single-spliced channel steel; 7. a hanging point; 8. an L-shaped bolt.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction comprises a plurality of first double-spliced channel steel 1, two second double-spliced channel steel 3 which are symmetrically arranged, two third double-spliced channel steel 4 which are symmetrically arranged, a first single-spliced channel steel 5 which is spliced in the first double-spliced channel steel 1 and the second double-spliced channel steel 3, and a second single-spliced channel steel 6 which is spliced in the third double-spliced channel steel 4, wherein the lengths of the first double-spliced channel steel 1 and the third double-spliced channel steel 4 are determined by reducing the narrowest section size in an actual pier by 20cm, the plurality of first double-spliced channel steel 1 which are uniformly arranged are positioned in the hollow pier 2, and the plurality of first double-spliced channel steel 1 are arranged along the bridge direction, and in the embodiment, the first double-spliced channel steel 1 is specifically five.
Two symmetrically arranged second double-spliced channel steel 3 are arranged close to the inner wall of the cambered surface of the hollow pier 2, and the second double-spliced channel steel 3 is arranged along the bridge direction; the third double-spliced channel steel 4 welding that two symmetries set up is at the top of many first double-spliced channel steel 1, and third double-spliced channel steel 4 sets up along the horizontal bridge direction, and the junction department of first double-spliced channel steel 1 and third double-spliced channel steel 4 is equipped with hoisting point 7, and hoisting point 7 is four and is the rectangle and distribute specifically in this embodiment, and hoisting point 7 is including the steel sheet of welding in first double-spliced channel steel 1 and the junction department of third double-spliced channel steel 4, and the steel sheet is thick 10mm, has seted up the hanging hole on the steel sheet, and the hanging hole is offered by the magnetic drill, conveniently cooperates the crane to remove the lifting by crane to the platform.
The first single-spliced channel steel 5 is used for stretching and deforming in the first double-spliced channel steel 1 and the second double-spliced channel steel 3, the length range of the first single-spliced channel steel 5 stretching out of the first double-spliced channel steel 1 and the second double-spliced channel steel 3 is increased with rib plates, and the stress is stable, so that the deformation is prevented, and a high-altitude collapse falling accident occurs; the bottom of the second single-spliced channel steel 6 is welded with the top of the second double-spliced channel steel 3, the second single-spliced channel steel 6 is used for stretching deformation in the third double-spliced channel steel 4, the first double-spliced channel steel 1, the third double-spliced channel steel 4 and the first single-spliced channel steel 5 are used for supporting a flat formwork, the second double-spliced channel steel 3 and the second single-spliced channel steel 6 are used for supporting an arc formwork, the first single-spliced channel steel 5 is fixed on the back edge of the flat formwork, the second single-spliced channel steel 6 is fixed on the back edge of the arc formwork, a through hole is formed in the end part of the first single-spliced channel steel 5, and an L-shaped bolt 8 used for limiting is inserted in the through hole.
The working principle of the utility model is as follows: full-welding contact surfaces of the first double-spliced groove steel 1 and the third double-spliced groove steel 4, knocking out welding slag, cleaning impurities in a notch, welding to form an integral stress platform, welding steel plates at the junction of the first double-spliced groove steel 1 and the third double-spliced groove steel 4, forming hanging holes by using a magnetic drill to form hanging points 7, filling lubricating materials such as butter inside the notches of the first double-spliced groove steel 1, the second double-spliced groove steel 3 and the third double-spliced groove steel 4, installing first single-spliced groove steel 5 in two ends of the first double-spliced groove steel 1 and the second double-spliced groove steel 3, installing second single-spliced groove steel 6 in two ends of the third double-spliced groove steel 4, fully welding the contact surfaces of the second single-spliced groove steel 6 and the second double-spliced groove steel 3, determining the telescopic lengths of the first single-spliced groove steel 5 and the second single-spliced groove steel 6 according to the size of the variable cross section pier body, paving flat channel steel templates and circular arc templates with corresponding sizes after the telescopic adjustment, fixing the telescopic flat channel steel 5 and the second single-spliced steel 6 on the back flat channel steel templates and the circular arc templates at the back of the positions of the flat channel steel 8, and fixing the flat channel steel templates at the positions of the L-shaped bridge template and the L-shaped flat bridge template through the circular bolts at the same time, and fixing the L-shaped flat bridge template and the L-shaped bridge plug pins at the positions;
When the platform needs to be lifted, the steel wire ropes of crane equipment (not marked in the drawing) are used for being matched with shackles to be fixed on the four lifting points 7, the steel wire ropes are slightly stressed and are in a tight state, then the L-shaped bolts 8 on the first single-spliced channel steel 5 are detached one by one, the first single-spliced channel steel 5 and the second single-spliced channel steel 6 are taken in one by one, the crane is commanded to slowly lift to a proper height, then an operator pulls out the first single-spliced channel steel 5 and the second single-spliced channel steel 6, the steel wire ropes are fixed on the back edges of flat templates and circular arc templates with corresponding sizes, finally the L-shaped bolts 8 are reinstalled, the shackles on the lifting points 7 can be detached, and finally the steel springboard can be fully paved in the operation platform.
The above embodiments are only for illustrating the technical method of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present utility model may be modified or substituted without departing from the spirit and scope of the technical method of the present utility model.
Claims (6)
1. The utility model provides a portable flexible deformation platform suitable for construction of variable cross section thin wall hollow mound which characterized in that includes:
A plurality of first double-groove steel (1) which are uniformly distributed are positioned in the hollow pier (2), and the plurality of first double-groove steel (1) are arranged along the bridge direction;
two symmetrically arranged second double-spliced channel steels (3) are arranged close to the inner wall of the cambered surface of the hollow pier (2), and the second double-spliced channel steels (3) are arranged along the bridge direction;
Two symmetrically arranged third double-spliced channel steels (4) are welded at the tops of the first double-spliced channel steels (1), and the third double-spliced channel steels (4) are arranged along the transverse bridge direction;
The first single-spliced groove steel (5) is spliced in the first double-spliced groove steel (1) and the second double-spliced groove steel (3), and the first single-spliced groove steel (5) is used for stretching and deforming in the first double-spliced groove steel (1) and the second double-spliced groove steel (3);
The second single-spliced channel steel (6) is spliced in the third double-spliced channel steel (4), the bottom of the second single-spliced channel steel (6) is welded with the top of the second double-spliced channel steel (3), and the second single-spliced channel steel (6) is used for stretching deformation in the third double-spliced channel steel (4).
2. The movable telescopic deformation platform suitable for construction of the variable-section thin-wall hollow pier according to claim 1, wherein a hanging point (7) is arranged at a junction of the first double-spliced groove steel (1) and the third double-spliced groove steel (4).
3. The movable telescopic deformation platform suitable for the construction of the variable-section thin-wall hollow pier according to claim 1 is characterized in that the first double-spliced channel steel (1), the third double-spliced channel steel (4) and the first single-spliced channel steel (5) are used for supporting a flat formwork, and the second double-spliced channel steel (3) and the second single-spliced channel steel (6) are used for supporting an arc formwork.
4. The movable telescopic deformation platform suitable for the construction of the variable-section thin-wall hollow pier according to claim 2, wherein the hanging point (7) comprises a steel plate welded at the junction of the first double-spliced groove steel (1) and the third double-spliced groove steel (4), and a hanging hole is formed in the steel plate.
5. A movable telescopic deformation platform suitable for construction of a variable-section thin-wall hollow pier according to claim 3, characterized in that the first single-spliced channel steel (5) is fixed on a back edge of a flat formwork, and the second single-spliced channel steel (6) is fixed on a back edge of a circular arc formwork.
6. The movable telescopic deformation platform suitable for construction of the variable-section thin-wall hollow pier according to claim 1, wherein a through hole is formed in the end portion of the first single-spliced channel steel (5), and an L-shaped plug pin (8) for limiting is inserted into the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322931492.3U CN221029654U (en) | 2023-10-31 | 2023-10-31 | Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322931492.3U CN221029654U (en) | 2023-10-31 | 2023-10-31 | Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221029654U true CN221029654U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322931492.3U Active CN221029654U (en) | 2023-10-31 | 2023-10-31 | Movable telescopic deformation platform suitable for variable-section thin-wall hollow pier construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221029654U (en) |
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2023
- 2023-10-31 CN CN202322931492.3U patent/CN221029654U/en active Active
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