CN217148314U

CN217148314U - Steel beam hoisting structure

Info

Publication number: CN217148314U
Application number: CN202220968658.1U
Authority: CN
Inventors: 王映辉; 于东; 徐乔治; 陈欣睿; 孔维涛; 李振江
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-09
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a steel beam hoisting structure, which comprises two hoisting pieces which are symmetrically arranged, wherein the upper end joint of the two hoisting pieces is provided with a hoisting hole, the two hoisting pieces enclose a cavity with an opening at the lower end, and the opening of each hoisting piece is downwards extended with a connecting piece; still include the girder steel, the girder steel comprises two pterygoid laminas and the web that is located between two pterygoid laminas, and wherein a pterygoid lamina inserts in the cavity, and the web is pegged graft between two connection pieces and is fixed with web and two connection pieces through fixing device, the utility model discloses can satisfy girder steel hoist and mount safety demand, reduce simultaneously or avoid extra people, the material consumption that hoist and mount temporary measure brought.

Description

Steel beam hoisting structure

Technical Field

The utility model relates to a building vertical transportation field especially relates to a girder steel hoisting structure.

Background

At present, among the steel structural engineering, the hoist and mount main hoist and mount mode of girder steel mainly has two kinds: one method is to weld special ear plates for hoisting on the surface of the upper flange of the steel beam, and on one hand, a large number of hoisting ear plates are welded in the hoisting mode, so that steel and welding materials are consumed; on the other hand, after the hoisting of the hoisting lug plate is finished, cutting equipment is required to be used for cutting off, so that the labor and material consumption cost is increased, and parent metal is extremely easy to cut; the other type is that the hoisting hole is prefabricated at the flange edge on the steel beam, the method can lead to the weakening of the bearing capacity of the flange plate, the recognition degree of a design unit and a supervision unit is low, meanwhile, the hole repairing of the hoisting hole can consume a large amount of labor force of welders and welding materials, in addition, after the steel structure hoisting construction, the reserved hoisting temporary measures, such as lug plates and the hoisting hole, need secondary labor force to perform high-altitude operation, small potential safety hazards exist, and huge pressure is brought to the construction safety guarantee.

Disclosure of Invention

The utility model aims to provide a girder steel hoisting structure to prior art not enough.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a steel beam hoisting structure comprises two hoisting pieces which are symmetrically arranged, hoisting holes are formed in the joints of the upper ends of the two hoisting pieces, the two hoisting pieces enclose a cavity with an opening at the lower end, and a connecting piece extends downwards from the opening of each hoisting piece; the steel beam is composed of two wing plates and a web plate located between the two wing plates, wherein one wing plate is inserted into the cavity, and the web plate is inserted between the two connecting sheets and is fixed with the web plate and the two connecting sheets through a fixing device.

Preferably, the fixing device comprises oblong bolt holes which are arranged on the two connecting pieces and correspond to the oblong bolt holes, a plurality of groups of threaded holes in the vertical direction are formed in the web plate, and the fixing device further comprises a plurality of fixing bolt pairs which are inserted into the threaded holes through the oblong bolt holes and are screwed with nuts to fix the web plate and the two connecting pieces.

Preferably, two sides in the cavity are provided with inner stiffening ribs which are tightly attached to the two hoisting pieces, and the thickness of each inner stiffening rib is more than or equal to 8 mm.

Preferably, the outer stiffening ribs are arranged outside the two hoisting pieces, the outer stiffening ribs are in fillet transition at the connecting and bending positions of the two connecting pieces and the hoisting pieces, and the thickness of the outer stiffening ribs is more than or equal to 8 mm.

Preferably, the two hoisting pieces are integrally formed in a casting mode.

Compared with the prior art, the beneficial effects of the utility model are that: the hoisting safety requirement can be met, and the additional human and material consumption caused by hoisting temporary measures can be reduced or avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a structural section view of the present invention.

Fig. 2 is a side view of the structure of the present invention.

Fig. 3 is a top view of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Referring to fig. 1 to 3, a steel beam hoisting structure includes two hoisting pieces 1 symmetrically arranged, a hoisting hole 2 is formed at a joint of upper ends of the two hoisting pieces 1, the two hoisting pieces 1 enclose a cavity with an opening at a lower end, and a connecting piece 9 extends downwards at an opening of each hoisting piece 1; still include girder steel 8, girder steel 8 comprises two pterygoid lamina 81 and the web 82 that is located between two pterygoid lamina 81, wherein a pterygoid lamina 81 inserts in the cavity, web 82 pegs graft between two connection pieces 9 and fixes web 82 and two connection pieces 9 through fixing device, fixing device is including seting up on two connection pieces 9 and the long circle bolt hole 5 that corresponds, set up the ascending screw hole 10 of the vertical side of a plurality of groups on the web 82, still include a plurality of fixing bolt pairs 7, fixing bolt pairs 7 inserts in screw hole 10 and screws up the nut through long circle bolt hole 5 and fixes web 82 and two connection pieces 9.

The utility model discloses a use as follows: before hoisting, the two hoisting pieces 1 and the connecting piece 9 are inserted along the front end of the wing plate 81 of the steel beam 8, at the moment, the wing plate 81 passes through the front end and the rear end of the cavity, and the upper end of the wing plate 81 is jointed with the upper surface of the cavity, the web plate 82 is positioned between the two connecting sheets 9, after the two hoisting sheets 1 are moved to proper positions, the hoisting piece 1 and the steel beam 8 are fixed by the fixing bolt pair 7, the assembly of the hoisting structure before hoisting is completed, and during hoisting, the lower end of the wing plate 81 is attached to the lower surface of the cavity, the hoisting piece 1 shares the vertical shearing force applied to the fixing bolt pair 7, and the normal operation of hoisting is ensured, so that the hoisting safety requirement can be met, and meanwhile, the additional consumption of people and materials caused by temporary hoisting measures is reduced or eliminated, and in addition, the arrangement of the oblong bolt holes 5 ensures that the fixing bolt pairs 7 have enough adjusting space to be matched with steel beams 8 with various specifications.

The two sides in the cavity are provided with inner stiffening ribs 4 tightly attached to the two hoisting pieces 1, the thickness of the inner stiffening ribs 4 is more than or equal to 8mm, and the structural strength of the hoisting pieces 1 during hoisting is guaranteed.

The outer stiffening ribs 3 are arranged outside the two hoisting pieces 1, the outer stiffening ribs 3 are in fillet transition at the connecting and bending positions of the two connecting pieces 9 and the hoisting pieces 1, and the hoisting stress parts are guaranteed to have enough rigidity, and the thickness of the outer stiffening ribs 3 is larger than or equal to 8 mm.

Two hoisting pieces 1 are integrally formed through casting, the integrity of the component is guaranteed, and the damage to measures in use due to stress concentration at the steel connecting part is avoided.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a girder steel hoisting structure which characterized in that: the lifting device comprises two symmetrically arranged lifting pieces, wherein a lifting hole is formed in the joint of the upper ends of the two lifting pieces, the two lifting pieces enclose a cavity with an opening at the lower end, and a connecting piece extends downwards from the opening of each lifting piece; the steel beam is composed of two wing plates and a web plate located between the two wing plates, wherein one wing plate is inserted into the cavity, and the web plate is inserted between the two connecting sheets and is fixed with the web plate and the two connecting sheets through a fixing device.

2. A steel beam hoisting structure according to claim 1, wherein: the fixing device comprises oblong bolt holes which are arranged on the two connecting pieces and correspond to the oblong bolt holes, a plurality of groups of threaded holes in the vertical direction are formed in the web, and the fixing device further comprises a plurality of fixing bolt pairs which are inserted into the threaded holes through the oblong bolt holes and are screwed up to fix the web and the two connecting pieces.

3. A steel beam hoisting structure according to claim 1 or 2, wherein: and inner stiffening ribs tightly attached to the two hoisting pieces are arranged on two sides in the cavity, and the thickness of each inner stiffening rib is more than or equal to 8 mm.

4. A steel beam hoisting structure according to claim 2, wherein: the outer stiffening ribs are arranged outside the two hoisting pieces, the outer stiffening ribs are in round angle transition at the connection bending positions of the two connecting pieces and the hoisting pieces, and the thickness of the outer stiffening ribs is more than or equal to 8 mm.

5. A steel beam hoisting structure according to claim 1, wherein: the two hoisting pieces are integrally formed in a casting mode.