CN219793659U - Butt joint positioning device for main chord pipe of steel pipe arch - Google Patents
Butt joint positioning device for main chord pipe of steel pipe arch Download PDFInfo
- Publication number
- CN219793659U CN219793659U CN202320983521.8U CN202320983521U CN219793659U CN 219793659 U CN219793659 U CN 219793659U CN 202320983521 U CN202320983521 U CN 202320983521U CN 219793659 U CN219793659 U CN 219793659U
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- side plates
- front ends
- welded
- anchor
- pipe
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- 210000001503 joint Anatomy 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 10
- 239000010959 steel Substances 0.000 title claims abstract description 10
- 238000003466 welding Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 4
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model relates to a steel pipe arch main chord pipe butt joint positioning device, which comprises two anchor clamps, wherein 4U-shaped frames are welded on the outer wall of each anchor clamp in an annular equidistant manner, each U-shaped frame comprises two side plates, a connecting plate is welded between the front ends of the two side plates, the bottom edges of the two side plates are welded with the anchor clamps in a direction parallel to the axis of the anchor clamp, the front ends of the two side plates extend to the front end of the anchor clamp for a certain length, and an arc-shaped notch is respectively formed at the bottom of the front ends of the two side plates; the front ends of the two hoops are oppositely arranged, and the connecting plates of the U-shaped frames on the two hoops are respectively opposite and are connected through bolts. The utility model is convenient to assemble and disassemble on the main string pipe without welding, and can avoid damaging the main string pipe.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, relates to construction of a steel tube arch bridge, and in particular relates to a steel tube arch main chord tube butt joint positioning device.
Background
The main chord pipe of the arch rib of the steel pipe arch bridge is usually processed in sections, and all sections are spliced into a whole in sequence in the arch rib installation site. The common butt joint mode is that after the ends of two string pipes are aligned, a code plate is adopted for temporary fixation, then welding is carried out between the ends of the two string pipes, and the other method is that an inscribed flange is arranged at the ends of the two string pipes, the two string pipes are connected and fixed through the inner flange, and then an outer steel plate is welded at the joint end ring of the two string pipes in the circumferential direction.
The temporary fixation mode of the code plates is adopted, and after the butt joint of the two string pipes is completed, the code plates are required to be cut off. The outer wall of the string tube of the column is damaged by welding and cutting the code plate; the internal joint flange is fixed in a mode of being large in field welding construction amount, complex in working procedure and high in installation accuracy requirement on the internal joint flange, and after construction is completed, the internal joint flange cannot be taken out of the main line pipe, so that material waste is caused.
Disclosure of Invention
The utility model aims to solve the problems and provide a steel pipe arch main chord pipe butt joint positioning device which can avoid damaging an arch rib main chord pipe and avoid material waste.
The technical scheme of the utility model is as follows:
the utility model provides a steel pipe arch main chord pipe butt joint positioner which characterized in that: the device comprises two anchor clamps, wherein 4U-shaped frames are welded on the outer wall of each anchor clamp at equal intervals in the circumferential direction; each U-shaped frame comprises two side plates, a connecting plate is welded between the front ends of the two side plates, and two screw holes are preset in the connecting plate; the bottom edges of the two side plates are welded with the anchor ear in a direction parallel to the axis of the anchor ear, the front ends of the two side plates extend to the front end of the anchor ear for a certain length, and the bottoms of the front ends of the two side plates are respectively provided with an arc-shaped notch; the front ends of the two anchor clamps are oppositely arranged, and the connecting plates of the U-shaped frames on the two anchor clamps are respectively opposite and are connected through bolts.
According to the utility model, the hoop type main string pipe is adopted to carry out butt joint positioning, the positioning device is convenient to install, welding is not needed in the installation process, and damage to the main string pipe can be avoided; after the main string pipe is in butt joint, the anchor ear can be taken down for reuse, and the material waste can be avoided.
Drawings
FIG. 1 is a schematic view of a planar structure and a use state of the present utility model;
FIG. 2 is a schematic side view of the present utility model in use;
FIG. 3 is a schematic elevational view of the present utility model;
fig. 4 is a schematic diagram of a U-shaped frame and its connection structure on two hoops.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the utility model comprises two anchor clamps 1, wherein 4U-shaped frames are welded on the outer wall of each anchor clamp in an annular equidistant manner; each U-shaped frame comprises two side plates 2, a connecting plate 3 is welded between the front ends of the two side plates, and two screw holes are preset in the connecting plate; the bottom edges of the two side plates 2 are welded with the anchor ear 1 in a direction parallel to the axis of the anchor ear 1, the front ends of the two side plates 2 extend to the front end of the anchor ear 1 for a certain length, and the bottoms of the front ends of the two side plates 2 are respectively provided with an arc-shaped notch 4; the front ends of the two hoops are oppositely arranged, and the connecting plates 3 of the U-shaped frames on the two hoops are respectively opposite and connected through bolts 5.
As shown in fig. 1 and 2, when the utility model is used, two anchor clamps 1 are respectively sleeved at the butt joint ends of two arch rib main chord pipes 6, and the outer side surfaces of connecting plates 2 of U-shaped frames on the two anchor clamps are flush with the ports of the main chord pipes 6; the connecting plates 3 of the U-shaped frames on the two anchor clamps are adjusted to be aligned and connected through bolts 5, and then the two anchor clamps are respectively fixed with the two main string pipes, so that the two main string pipes can be positioned. The butt ends of the two main chord pipes 6 are welded, and the arc notch 4 at the bottom of the front end of the side plate of the U-shaped frame can be used as a welding hole during welding, so that continuous welding can be ensured.
Claims (1)
1. The utility model provides a steel pipe arch main chord pipe butt joint positioner which characterized in that: the device comprises two anchor clamps, wherein 4U-shaped frames are welded on the outer wall of each anchor clamp at equal intervals in the circumferential direction; each U-shaped frame comprises two side plates, a connecting plate is welded between the front ends of the two side plates, and two screw holes are preset in the connecting plate; the bottom edges of the two side plates are welded with the anchor ear in a direction parallel to the axis of the anchor ear, the front ends of the two side plates extend to the front end of the anchor ear for a certain length, and the bottoms of the front ends of the two side plates are respectively provided with an arc-shaped notch; the front ends of the two anchor clamps are oppositely arranged, and the connecting plates of the U-shaped frames on the two anchor clamps are respectively opposite and are connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320983521.8U CN219793659U (en) | 2023-04-26 | 2023-04-26 | Butt joint positioning device for main chord pipe of steel pipe arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320983521.8U CN219793659U (en) | 2023-04-26 | 2023-04-26 | Butt joint positioning device for main chord pipe of steel pipe arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793659U true CN219793659U (en) | 2023-10-03 |
Family
ID=88150370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320983521.8U Active CN219793659U (en) | 2023-04-26 | 2023-04-26 | Butt joint positioning device for main chord pipe of steel pipe arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793659U (en) |
-
2023
- 2023-04-26 CN CN202320983521.8U patent/CN219793659U/en active Active
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| GR01 | Patent grant |