CN215104720U - Lifting lug device for lifting steel pipe arch - Google Patents
Lifting lug device for lifting steel pipe arch Download PDFInfo
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- CN215104720U CN215104720U CN202120530028.1U CN202120530028U CN215104720U CN 215104720 U CN215104720 U CN 215104720U CN 202120530028 U CN202120530028 U CN 202120530028U CN 215104720 U CN215104720 U CN 215104720U
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- lifting lug
- steel pipe
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Abstract
The utility model provides a lug device for promoting steel pipe arch, characterized by: respectively welding the upper ends of the first lug plate, the second lug plate, the third lug plate and the fourth lug plate to the lower surface of the upper cover plate; welding two ends of the first lower transverse plate, the second lower transverse plate and the third lower transverse plate on corresponding plate surfaces in the middle of the lug plate respectively; two ends of the first lifting lug stiffening plate and the second lifting lug stiffening plate are respectively welded on the upper cover plate and the second lower transverse plate; respectively welding front and rear lug plates with the same structure on the front and rear surfaces of the first lifting lug plate, the second lifting lug plate, the first lifting lug stiffening plate, the second lifting lug stiffening plate, the third lifting lug plate and the fourth lifting lug plate; the lower end of the first lifting rope is arranged in a screw hole on the first lifting lug device by a bolt; a first pin shaft is inserted between the first lug plate and the second lug plate, and the first lifting lug plate is hinged together; and forming a lifting lug device of the first lifting steel pipe arch.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a lug device for promoting steel pipe arch.
Background
In the prior art, a steel tube arch bridge is usually installed with a main arch (arch rib) by a cable crane or an arch crane in a cantilever assembly manner, and a lifting lug (anchor beam) device is required to be connected with the main arch rib. When the cantilever method is adopted for construction, the angle of the lifting lug (anchor beam) device is fixed, and the stress magnitude and the stress direction are both clear and definite. However, with the application of the modern steel pipe concrete structure technology characterized by pumping concrete, the removal of the lifting lug (anchor beam) device can be performed only after the concrete web plate outside the steel pipe arch is poured, and because the concrete load outside the steel pipe arch is large, the steel pipe arch is easy to change and cannot be correctly installed in place in the process of installing the steel pipe arch, and the angle of the lifting lug needs to be changed accordingly.
Because the steel pipe encircles outsourcing concrete thickness and is thinner, only at thinnest department roughly 600mm, lug connector size of a dimension is limited, can not increase the size of lug connector without limit, and the lifting cable atress is great, lug (anchor beam) device need satisfy the structural stress requirement, therefore lug (anchor beam) device sets up comparatively difficultly, simultaneously, how to guarantee lifting cable and lug device reliably be connected to make the lug device can adapt to lifting cable angle variation and rotate along with it, become the problem that the installation of lifting cable and lug device needs key solution.
Disclosure of Invention
The invention aims to provide a lifting lug device for lifting a steel pipe arch, aiming at the defects of the prior art; the device has solved lifting rope and the reliable connection of lug device, makes the lug device can adapt to lifting rope angular variation and rotate thereupon, guarantees that the lug device atress is even, is in comparatively free state all the time, and then guarantees steel pipe arch bridge's normal installation and quality safety.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a lug device for promoting steel pipe encircles, includes lifting cable, stiffening ring, upper cover plate, lug stiffening plate, bolt, round pin axle, lug front and back board, lifting plate, promotion and adds footpath board, steel pipe arch, support frame, lug device, diaphragm and jack down.
The lifting lug device for lifting the steel pipe arch is characterized in that the upper ends of a first lifting lug plate 4-1, a second lifting lug plate 4-2, a third lifting lug plate 4-3 and a fourth lifting lug plate 4-4 are respectively welded below an upper cover plate 3; welding two ends of a first lower transverse plate b1 on the corresponding plate surfaces of the middle parts of the first lug plate 4-1 and the second lug plate 4-2 respectively, welding two ends of a second lower transverse plate b2 on the corresponding plate surfaces of the middle parts of the second lug plate 4-2 and the third lug plate 4-3 respectively, and welding two ends of a third lower transverse plate b3 on the corresponding plate surfaces of the middle parts of the third lug plate 4-3 and the fourth lug plate 4-4 respectively;
the two ends of the lifting lug stiffening plate, the first lifting lug stiffening plate 5-1 and the second lifting lug stiffening plate 5-2 are respectively welded on a second lower transverse plate b2 between the second lifting lug plate 4-2 and the third lifting lug plate 4-3 of the upper cover plate 3.
The front and rear lug plates 8 with the same structure are respectively welded on the front and rear surfaces of the first lifting lug plate 4-1, the second lifting lug plate 4-2, the first lifting lug stiffening plate 5-1, the second lifting lug stiffening plate 5-2, the third lifting lug 4-3 and the fourth lifting lug plate 4-4; forming a first lifting lug.
The lower end of the first lifting rope 1-1 is fixedly arranged in a screw hole on the first lifting lug device by a bolt 6; a first lifting lug plate 11-1 inserted between a first lifting lug plate 4-1 and a second lifting lug plate 4-2 is hinged together by using a first pin shaft 7-1, and a second lifting lug plate inserted between a third lifting lug plate 4-3 and a fourth lifting lug plate 4-4 is hinged together by using a second pin shaft 7-2; and a lifting lug device a1 forming a first lifting steel pipe arch.
The lifting lug device a2 of the second lifting steel pipe arch has the same structure and installation method as the lifting lug device a1 of the first lifting steel pipe arch.
The cover plate is provided with through screw holes on the upper cover plate 3 and the second lower transverse plate b2 respectively, and an upper stiffening ring 2-1 and a lower stiffening ring 2-2 which are concentric with the screw holes are welded on the bottom surfaces of the upper cover plate 3 and the second lower transverse plate b2 respectively.
The bottom end walls of the first lug plate 4-1, the second lug plate 4-2, the third lug plate 4-3 and the fourth lug plate 4-4 are provided with through pin shaft holes. Respectively welding the ear plate stiffening ring 9 on the outer walls of the bottom ends of the first lug plate 4-1, the second lug plate 4-2, the third lug plate 4-3 and the fourth lug plate 4-4, wherein the welded ear plate stiffening ring 9 and the pin shaft hole are concentric shaft holes. The ear plate stiffening ring 9 welded at the bottom ends of the first ear plate 4-1, the second ear plate 4-2, the third ear plate 4-3 and the fourth ear plate 4-4 is used for increasing the stress strength of the ear plates and preventing the ear plates from being torn.
The first lifting hanger plate 11-1 and the second lifting hanger plate are fixedly arranged on the steel pipe arch, and the stiffening plates 12 are respectively welded on the outer wall surfaces of the first lifting hanger plate 11-1 and the second lifting hanger plate; the top parts of the first lifting hanging plate 11-1 and the second lifting hanging plate are designed to be obtuse triangular plate surfaces, the top parts of the obtuse triangular plate surfaces are arc-shaped, pin hole holes are formed in the obtuse triangular plate surfaces, lifting hanging plate reinforcing rings 10 are arranged on the obtuse triangular plate surfaces at the top parts of the first lifting hanging plate 11-1 and the second lifting hanging plate, and the diameter of the inner circle of each lifting hanging plate reinforcing ring 10 is the same as that of each pin hole.
The utility model has the advantages that: a lifting lug device for lifting a steel pipe arch; the device has solved lifting rope, lug device and has installed the lifting plate of fixing on the steel pipe encircles and reliably be connected, through round pin axle with lifting plate hinged joint, makes lug device can adapt to lifting rope angular variation and rotate thereupon, can not take place to warp when the steel pipe encircles the installation and folds to can guarantee lug device safety.
Drawings
The present invention will be described in detail with reference to the following drawings and examples:
FIG. 1 is a schematic view of installation construction of a lifting lug device and a steel pipe arch;
fig. 2 is an enlarged view of a shackle device a1 of the first hoist steel pipe arch of fig. 1;
figure 3 is an enlarged front view of the lifting lug of figure 2;
figure 4 is a side view of the lifting lug of figure 3.
In the figure, 1-1 lifting rope, 1-2 lifting rope, 2-1 upper stiffening ring, 2-2 lower stiffening ring, 3 upper cover plate, 4-1 first lifting lug plate, 4-2 second lifting lug plate, 4-3 third lifting lug plate, 4-4 fourth lifting lug plate, 5-1 first lifting lug stiffening plate, 5-2 second lifting lug stiffening plate, 6 bolt, 7-1 first pin shaft, 7-2 second pin shaft, 8 front lug plate, 9 ear plate stiffening ring, 10 lifting lug stiffening ring, 11-1 first lifting lug, 12-2 lifting stiffening plate, 13-1 first steel pipe arch, 13-2 second steel pipe arch, 13-3 third steel pipe arch, 14 arch bridge, 15. the lifting device comprises a first support frame, 16, a second support frame, 17, a third support frame, 18, a fourth support frame, 19, a fifth support frame, 20, a sixth support frame, 21, a seventh support frame, 22, an eighth support frame, a1., a lifting lug device of a first lifting steel pipe arch, a2, a lifting lug device of a second lifting steel pipe arch, b1, a first lower transverse plate, b2., a second lower transverse plate, b3., a third lower transverse plate, m, a first jack and n, a second jack.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary by referring to the drawings, are intended to explain the present invention and should not be construed as limiting the present application.
Referring to fig. 1 and 2, and fig. 3 and 4, an embodiment of the present invention provides a lifting lug device for lifting a steel pipe arch; respectively welding the upper ends of the first lug plate 4-1, the second lug plate 4-2, the third lug plate 4-3 and the fourth lug plate 4-4 to the lower surface of the upper cover plate 3; welding two ends of a first lower transverse plate b1 on the corresponding plate surfaces of the middle parts of the first lug plate 4-1 and the second lug plate 4-2 respectively, welding two ends of a second lower transverse plate b2 on the corresponding plate surfaces of the middle parts of the second lug plate 4-2 and the third lug plate 4-3 respectively, and welding two ends of a third lower transverse plate b3 on the corresponding plate surfaces of the middle parts of the third lug plate 4-3 and the fourth lug plate 4-4 respectively;
in the embodiment, two ends of the first lifting lug stiffening plate 5-1 and the second lifting lug stiffening plate 5-2 are respectively welded on a second lower transverse plate b2 between the second lifting lug plate 4-2 and the third lifting lug plate 4-3 of the upper cover plate 3;
in the embodiment, the front and rear lug plates 8 with the same structure are respectively welded on the front and rear surfaces of the first lifting lug plate 4-1, the second lifting lug plate 4-2, the first lifting lug stiffening plate 5-1, the second lifting lug stiffening plate 5-2, the third lifting lug plate 4-3 and the fourth lifting lug plate 4-4; forming a first lifting lug.
The structure and the welding method of the second lifting lug and the first lifting lug are the same.
In the embodiment, the lower end of the first lifting rope 1-1 is fixedly installed in a screw hole on the first lifting lug device by a bolt 6; a first lifting lug plate 11-1 inserted between a first lug plate 4-1 and a second lug plate 4-2 is hinged together by a first pin shaft 7-1, and a second lifting lug plate inserted between a third lug plate 4-3 and a fourth lug plate 4-4 is hinged together by a second pin shaft 7-2; and a lifting lug device a1 forming a first lifting steel pipe arch.
The lifting lug device a2 of the second lifting steel pipe arch has the same structure and installation method as the lifting lug device a1 of the first lifting steel pipe arch.
In this embodiment, the upper cover plate 3 and the second lower cross plate b2 are respectively provided with through screw holes, and the upper stiffening ring 2-1 and the lower stiffening ring 2-2 concentric with the screw holes are respectively welded to the bottom surfaces of the upper cover plate 3 and the second lower cross plate b2.
In the present embodiment, through pin hole holes are provided in the bottom end walls of the first and second lug plates 4-1 and 4-2, and the third and fourth lug plates 4-3 and 4-4. Respectively welding the ear plate stiffening ring 9 on the outer walls of the bottom ends of the first lug plate 4-1, the second lug plate 4-2, the third lug plate 4-3 and the fourth lug plate 4-4, wherein the welded ear plate stiffening ring 9 and the pin shaft hole are concentric shaft holes. The ear plate stiffening ring 9 welded at the bottom ends of the first ear plate 4-1, the second ear plate 4-2, the third ear plate 4-3 and the fourth ear plate 4-4 is used for increasing the stress strength of the ear plates and preventing the ear plates from being torn.
In the embodiment, a first lifting hanger plate 11-1 and a second lifting hanger plate are fixedly installed on a steel pipe arch, and stiffening plates 12 are welded on the outer wall surfaces of the first lifting hanger plate 11-1 and the second lifting hanger plate respectively; the top parts of the first lifting hanging plate 11-1 and the second lifting hanging plate are designed to be obtuse triangular plate surfaces, the top parts of the obtuse triangular plate surfaces are arc-shaped, pin hole holes are formed in the obtuse triangular plate surfaces, lifting hanging plate reinforcing rings 10 are arranged on the obtuse triangular plate surfaces at the top parts of the first lifting hanging plate 11-1 and the second lifting hanging plate, and the diameter of the inner circle of each lifting hanging plate reinforcing ring 10 is the same as that of each pin hole.
In this embodiment, the first lifting hanger 11-1 and the second lifting hanger top obtuse triangular plate are integral plates.
The working principle is as follows:
in the process of installing the steel pipe arch, two ends of a first lifting rope 1-1 are respectively connected and fixed on a first lifting lug and a first jack m; two ends of the second lifting rope 1-2 are respectively connected and fixed on the second lifting lug and the second jack n; the first lifting lug and the second lifting lug are respectively installed and fixed on the lifting hanging plates at the left end and the right end of the second (section) steel pipe arch 13-2 by using a pin shaft; starting the first jack m and the second jack n; when the second (section) steel pipe arch 13-2 is lifted, the right end of the first (section) steel pipe arch 13-1 and the left end of the third (section) steel pipe arch 13-3 are matched and installed in a butt joint mode; when the angle of the lifting rope changes, the lifting lug device a1 of the first lifting steel pipe arch and the lifting lug device a2 of the second lifting steel pipe arch change along with the angle of the lifting rope, and the first lifting lug plate 4-1, the second lifting lug plate 4-2, the third lifting lug plate 4-3 and the fourth lifting lug plate 4-4 which are hinged to the first lifting lug plate 11-1 and the second lifting lug plate respectively rotate and adjust the lifting lug device a1 of the first lifting steel pipe arch and the lifting lug device a2 of the second lifting steel pipe arch under the action of the first pin shaft 7-1 and the second pin shaft 7-2, so that deformation is avoided in the process of mounting and folding the steel pipe arches, and the safety of the steel pipe arches is guaranteed.
Claims (5)
1. A lifting lug device for lifting a steel pipe arch comprises a lifting rope, a stiffening ring, an upper cover plate, a lifting lug stiffening plate, a bolt, a pin shaft, a lifting lug front and rear plate, a lifting diameter-increasing plate, the steel pipe arch, a support frame, a lifting lug device, a lower transverse plate and a jack; the method is characterized in that: respectively welding the upper ends of the first lug plate, the second lug plate, the third lug plate and the fourth lug plate to the lower surface of the upper cover plate; welding two ends of a first lower transverse plate on the corresponding plate surfaces of the middle parts of the first lug plate and the second lug plate respectively, welding two ends of a second lower transverse plate on the corresponding plate surfaces of the middle parts of the second lug plate and the third lug plate respectively, and welding two ends of a third lower transverse plate on the corresponding plate surfaces of the middle parts of the third lug plate and the fourth lug plate respectively; two ends of the first lifting lug stiffening plate and the second lifting lug stiffening plate are respectively welded on a second lower transverse plate between the second lifting lug plate and the third lifting lug plate of the upper cover plate; respectively welding front and rear lug plates with the same structure on the front and rear surfaces of the first lifting lug plate, the second lifting lug plate, the first lifting lug stiffening plate, the second lifting lug stiffening plate, the third lifting lug plate and the fourth lifting lug plate; the lower end of the first lifting rope is fixedly installed in a screw hole in the first lifting lug device through a bolt; a first lifting lug plate inserted between the first lifting lug plate and the second lifting lug plate is hinged together by a first pin shaft, and a second lifting lug plate inserted between the third lifting lug plate and the fourth lifting lug plate is hinged together by a second pin shaft; and forming a lifting lug device of the first lifting steel pipe arch.
2. The utility model provides a lug device for promoting steel pipe arch, characterized by: the lifting lug device of the second lifting steel pipe arch has the same structure and installation method as the lifting lug device of the first lifting steel pipe arch.
3. The utility model provides a lug device for promoting steel pipe arch, characterized by: and the upper cover plate and the second lower transverse plate are respectively provided with a through screw hole, an upper stiffening ring and a lower stiffening ring which are concentric with the screw hole and are respectively welded on the bottom surfaces of the upper cover plate and the second lower transverse plate.
4. The utility model provides a lug device for promoting steel pipe arch, characterized by: through pin shaft holes are formed in the bottom end walls of the first lifting lug plate, the second lifting lug plate, the third lifting lug plate and the fourth lifting lug plate; and the ear plate stiffening rings are respectively welded on the outer walls of the bottom ends of the first lug plate, the second lug plate, the third lug plate and the fourth lug plate, and the welded ear plate stiffening rings and the pin shaft holes are concentric shaft holes.
5. The utility model provides a lug device for promoting steel pipe arch, characterized by: installing and fixedly connecting a first lifting hanging plate and a second lifting hanging plate on a steel pipe arch, and respectively welding stiffening plates on the outer wall surfaces of the first lifting hanging plate and the second lifting hanging plate; the top of the first lifting hanging plate and the top of the second lifting hanging plate are designed to be obtuse triangular plate surfaces, the top of each obtuse triangular plate is arc-shaped, a pin hole is formed in each obtuse triangular plate surface, a lifting hanging plate reinforcing ring is arranged on each obtuse triangular plate surface at the top of the first lifting hanging plate and the top of the second lifting hanging plate, and the diameter of the inner circle of each lifting hanging plate reinforcing ring is the same as that of the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530028.1U CN215104720U (en) | 2021-03-15 | 2021-03-15 | Lifting lug device for lifting steel pipe arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530028.1U CN215104720U (en) | 2021-03-15 | 2021-03-15 | Lifting lug device for lifting steel pipe arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215104720U true CN215104720U (en) | 2021-12-10 |
Family
ID=79341435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530028.1U Active CN215104720U (en) | 2021-03-15 | 2021-03-15 | Lifting lug device for lifting steel pipe arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215104720U (en) |
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2021
- 2021-03-15 CN CN202120530028.1U patent/CN215104720U/en active Active
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