CN219194178U - Lifting appliance for lifting steel plate superposed beam - Google Patents
Lifting appliance for lifting steel plate superposed beam Download PDFInfo
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- CN219194178U CN219194178U CN202320186028.3U CN202320186028U CN219194178U CN 219194178 U CN219194178 U CN 219194178U CN 202320186028 U CN202320186028 U CN 202320186028U CN 219194178 U CN219194178 U CN 219194178U
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- cross rod
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- rod
- lifting
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Abstract
The utility model relates to a lifting appliance for lifting a steel plate superposed beam, which comprises a triangular lifting bracket, wherein the triangular lifting bracket comprises a cross rod, a vertical rod perpendicular to the cross rod is welded in the middle of the top surface of the cross rod, two diagonal rods are respectively welded at two ends of the cross rod, the upper ends of the two diagonal rods are respectively welded with the upper ends of the vertical rod, and a lifting lug is welded at the upper end of the vertical rod; two vertical hanging strip through holes are respectively formed between the vertical rod and the two ends of the cross rod, a hanging strip is inserted into each hanging strip through hole, a bolt is arranged on the top surface of the cross rod in a penetrating mode at the upper end of each hanging strip, and the lower ends of the two hanging strips between the vertical rod and each end of the cross rod are connected with a joist through the bolts. The utility model adopts the isosceles triangle hanging frame, has firm structure, is not easy to deform, has strong stress capability, and can ensure the balance and stability in the lifting process of the beam body.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and relates to a lifting appliance for lifting a steel plate superposed beam.
Background
The steel plate superposed beam comprises a concrete beam plate, two large-section I-shaped steel beams are arranged at the bottom of the beam plate along the bridge direction, and an upper flange plate of each I-shaped steel beam is combined with the bottom surface of the beam plate. And (5) processing the steel-concrete composite beam in sections in a beam field, and transporting to a bridge construction site for hoisting. Because the concrete beam plate thickness is less, unable pre-buried lug, when lifting by crane the steel reinforced concrete composite beam, adopt wire rope to walk around from the I-steel girder bottom generally, the in-process of lifting by crane, wire rope can extrude concrete beam plate both sides, causes the beam plate damage.
The applicant provides a steel-concrete composite beam lifting appliance in a patent CN115535836A, which comprises a lifting beam, wherein 4 steel hanging strips vertically penetrate through the lifting beam, the lower ends of every two hanging strips are connected with a joist, and the lifting beam is symmetrically provided with two lifting lugs. When the steel plate superposed beam is lifted, a hanging beam transverse bridge is arranged above the beam plate, the upper ends of 4 hanging strips penetrate through reserved holes in the beam plate and are connected with the hanging beams through pin shafts, the two supporting beams are respectively positioned at the bottoms of the steel I-shaped beams, two ends of each supporting beam are connected with the lower ends of the two hanging strips through pin shafts, and the two lifting lugs are respectively connected with the crane through steel wire ropes.
The lifting appliance can avoid extruding two sides of the beam plate, and is beneficial to protecting the beam plate. However, in actual use, the lengths of the two hoisting steel wire ropes are in error, the elongation is also different, so that the steel plate superposed beam deflects to one side in the air, one side is stressed intensively when the steel plate superposed beam falls down, and the steel beam is likely to deform due to the large height and width of the steel beam.
Disclosure of Invention
The utility model aims to solve the problems and provide a lifting appliance for lifting a steel plate superposed beam, which optimizes the stress structure of the existing lifting appliance and ensures balance and stability in the lifting process of a beam body.
The technical scheme of the utility model is as follows:
a hoist for steel sheet composite beam lifts by crane, its characterized in that: the lifting device comprises a triangular lifting frame, wherein the triangular lifting frame comprises a cross rod, a vertical rod perpendicular to the cross rod is welded in the middle of the top surface of the cross rod, diagonal draw bars are respectively welded at two ends of the cross rod, the upper ends of the two diagonal draw bars are respectively welded with the upper ends of the vertical rod, and a lifting lug is welded at the upper end of the vertical rod; two vertical hanging strip through holes are respectively formed between the vertical rod and the two ends of the cross rod, a hanging strip is inserted into each hanging strip through hole, a bolt is inserted into the top surface of the cross rod at the upper end of each hanging strip, two hanging strip lower ends between the vertical rod and each end of the cross rod are connected with a joist, two hanging strip jacks are formed in the joist, the lower ends of the two hanging strips are respectively inserted into the two hanging strip jacks on the joist, two bolts respectively penetrating through the two hanging strip jacks transversely are inserted into the joist, and each bolt penetrates through the lower ends of the hanging strips in the hanging strip jacks to connect the hanging strips with the joist.
The utility model adopts the isosceles triangle hanging frame and adopts the reinforcement design for the hanging frame structure, the triangular hanging frame structure of the frame body is firm and not easy to deform, and the stress capability is strong, so that the isosceles triangle hanging frame is used for replacing the hanging beam of the existing hanging tool, and the balance and stability of the beam body in the hanging process can be ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present triangular hanger;
fig. 3 is a schematic view of the use state of the present utility model.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises a triangular hanging bracket, wherein the triangular hanging bracket comprises a cross rod 1, a vertical rod 2 which is vertical to the cross rod is welded in the middle of the top surface of the cross rod, two diagonal rods 3 are respectively welded at two ends of the cross rod, the upper ends of the two diagonal rods 3 are respectively welded with the upper ends of the vertical rod 2, and a lifting lug 4 is welded at the upper end of the vertical rod 2; two vertical hanging strip through holes 5 are respectively formed between the vertical rod and the two ends of the cross rod, a hanging strip 6 is inserted in each hanging strip through hole, a bolt 7 is inserted in the top surface of the cross rod 1 at the upper end of each hanging strip 6, a joist 8 is connected to the lower ends of the two hanging strips 6 between the vertical rod and each end of the cross rod, two hanging strip jacks are formed in the joist, the lower ends of the two hanging strips are respectively inserted into the two hanging strip jacks on the joist, two bolts respectively penetrating through the two hanging strip jacks transversely are inserted into the joist, and each bolt penetrates through the lower ends of the hanging strips in the hanging strip jacks to connect the hanging strips with the joist.
In the concrete implementation of the utility model, in order to further strengthen the structure of the triangular hanging frame, a diagonal bracing reinforcing rod 9 can be welded between the lower end of the vertical rod 2 of the triangular hanging frame and the two diagonal draw bars 3 respectively, and the diagonal bracing reinforcing rod 9 is vertical to the diagonal draw bars 3; a vertical support reinforcing rod 10 is welded between the upper end of each diagonal support reinforcing rod and the cross rod, and the vertical support reinforcing rods 10 are perpendicular to the cross rod 1.
In order to avoid horizontal displacement of the hanging strips, the top surface of the cross rod is welded with a supporting plate 11 at two sides of each hanging strip through hole, an arc-shaped groove 12 is arranged in the middle of the top of the supporting plate, and two ends of a bolt 7 penetrating through the upper end of the hanging strip are respectively clamped in the grooves 12 on the two supporting plates.
As shown in fig. 3, the steel plate superposed beam comprises a beam plate 13, and two i-steel beams 14 are fixedly arranged at the bottom of the beam plate. When the steel plate superposed beam is lifted by adopting the steel plate superposed beam lifting device, the lower ends of the hanging strips are not connected with the joist, 4 hanging strips 6 penetrate through reserved holes in the beam plate 13 from top to bottom, two hanging strips on each side are respectively positioned on two sides of an I-steel beam, the joist 8 is transversely arranged at the bottom of the I-steel beam 14, the two ends of the joist 8 are respectively connected with the lower ends of the two hanging strips 6 through bolts, and a crane is connected with the lifting lug 4 through a steel wire rope for lifting. Because the triangular hanging frame is of a stable isosceles triangle structure, the beam body can be ensured to be always horizontal in the air, and no deflection can be generated.
Claims (3)
1. A hoist for steel sheet composite beam lifts by crane, its characterized in that: the lifting device comprises a triangular lifting frame, wherein the triangular lifting frame comprises a cross rod, a vertical rod perpendicular to the cross rod is welded in the middle of the top surface of the cross rod, diagonal draw bars are respectively welded at two ends of the cross rod, the upper ends of the two diagonal draw bars are respectively welded with the upper ends of the vertical rod, and a lifting lug is welded at the upper end of the vertical rod; two vertical hanging strip through holes are respectively formed between the vertical rod and the two ends of the cross rod, a hanging strip is inserted into each hanging strip through hole, a bolt is inserted into the top surface of the cross rod at the upper end of each hanging strip, two hanging strip lower ends between the vertical rod and each end of the cross rod are connected with a joist, two hanging strip jacks are formed in the joist, the lower ends of the two hanging strips are respectively inserted into the two hanging strip jacks on the joist, two bolts respectively penetrating through the two hanging strip jacks transversely are inserted into the joist, and each bolt penetrates through the lower ends of the hanging strips in the hanging strip jacks to connect the hanging strips with the joist.
2. A spreader for lifting a steel laminated beam according to claim 1, characterized in that: a diagonal bracing reinforcing rod is welded between the lower ends of the vertical rods of the triangular hanging frame and the two diagonal braces respectively, and the diagonal bracing reinforcing rod is perpendicular to the diagonal braces; and a vertical support reinforcing rod is welded between the upper end of each diagonal support reinforcing rod and the cross rod, and is vertical to the cross rod.
3. A spreader for lifting a steel laminated beam according to claim 1, characterized in that: the top surface of the cross rod is provided with two sides of each sling through hole which are respectively welded with a supporting plate, an arc-shaped groove is arranged in the middle of the top of the supporting plate, and two ends of a bolt penetrating through the upper end of the sling are respectively clamped in the grooves of the two supporting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186028.3U CN219194178U (en) | 2023-02-09 | 2023-02-09 | Lifting appliance for lifting steel plate superposed beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186028.3U CN219194178U (en) | 2023-02-09 | 2023-02-09 | Lifting appliance for lifting steel plate superposed beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219194178U true CN219194178U (en) | 2023-06-16 |
Family
ID=86719375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320186028.3U Active CN219194178U (en) | 2023-02-09 | 2023-02-09 | Lifting appliance for lifting steel plate superposed beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219194178U (en) |
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2023
- 2023-02-09 CN CN202320186028.3U patent/CN219194178U/en active Active
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