CN218619871U

CN218619871U - Lifting appliance for integrally lifting large-span box girder side mold

Info

Publication number: CN218619871U
Application number: CN202223116013.4U
Authority: CN
Inventors: 王伟; 秦志安; 李建臣; 谷平平; 袁扣峰; 唐健尧
Original assignee: No2 Engineering Co ltd Of Cccc Third Harbor Engineering Co ltd; CCCC Third Harbor Engineering Co Ltd
Current assignee: No2 Engineering Co ltd Of Cccc Third Harbor Engineering Co ltd; CCCC Third Harbor Engineering Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a large-span box girder side form is whole to be hoisted and is used hoist, the hoist is two sets of, including two hoisting crossbeams and two longerons, connect first middle cross beam between two hoisting crossbeams, connect the second middle cross beam between two longerons, two longerons upper end connection longeron reinforcing plate, the upper end lateral wall of two longerons is connected at the left end of two hoisting crossbeams; the upper end faces of the two hoisting cross beams are respectively connected with a hoisting lug seat, the lower end faces of the left ends of the two hoisting lug seats are connected with the upper end faces of the two longitudinal beams, and the two hoisting lug seats are respectively connected with a first stiffening plate, a second stiffening plate and a third stiffening plate; the lower end faces of the two hoisting cross beams are respectively connected with a corner reinforcing plate; the middle parts of the right side walls of the two longitudinal beams are respectively connected with a side mould bearing beam, and the two side mould hook plates are respectively connected with a fourth stiffening plate. The utility model discloses can realize the whole handling of side form of large-span.

Description

Lifting appliance for integrally lifting large-span box girder side mold

Technical Field

The utility model relates to a whole hoist that uses that hangs of large-span case beam side form.

Background

With the development of assembly type construction, the production of prefabricated parts becomes the main work of the production of the viaduct girder, and the improvement of the construction efficiency becomes the key of the construction efficiency.

In the construction of the prefabricated box girder, the mounting and dismounting efficiency of the side mould directly influences the progress of the box girder construction. The method for installing, disassembling and lifting the template of the box girder generally comprises the following steps:

integral sliding type: the method can conveniently realize the mounting and dismounting of the template of the box girder, but the sliding track of the template of the box girder needs to be preset, so that the problems of large occupied area, high construction cost, small site applicability and the like exist, and a lot of prefabrication plants with compact production layout do not have installation conditions.

And (5) manually binding the outer die by using a steel wire rope and hoisting by using a gantry crane. Or the outer side of the side mold is provided with the hook and then lifted by the gantry crane, the method is high in construction difficulty, time and labor are wasted, and the template deformation is caused by the mode that the stress concentration of a lifting point and the lifting gravity center are difficult to control.

The simple lifting appliance is adopted for lifting, the problems that a steel wire rope is manually penetrated and a side die hook is utilized for lifting are solved, each side die still needs to be detached, and each die plate needs one lifting appliance for lifting.

Therefore, the lifting appliance for integrally lifting the side die of the large-span box girder is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome current defect and the whole hoist of using of hanging of a large-span case roof beam side form that provides can realize the whole handling of side form of large-span.

The technical scheme for realizing the purpose is as follows: the lifting appliance for integrally lifting the side mold of the large-span box girder comprises two groups of lifting cross beams and two longitudinal beams, wherein a first middle cross beam is connected between the two lifting cross beams, a second middle cross beam is connected between the two longitudinal beams, the upper ends of the two longitudinal beams are connected with longitudinal beam reinforcing plates, and the side walls of the upper ends of the two longitudinal beams are connected with the left ends of the two lifting cross beams; the upper end surfaces of the two hoisting cross beams are respectively connected with a lifting lug seat, the lower end surfaces of the left ends of the two lifting lug seats are connected with the upper end surfaces of the two longitudinal beams, and the two lifting lug seats are respectively connected with a first stiffening plate, a second stiffening plate and a third stiffening plate; the lower end faces of the two hoisting cross beams are respectively connected with a corner reinforcing plate; the middle parts of the right side walls of the two longitudinal beams are respectively connected with a side form bearing beam, the two side form bearing beams are respectively connected with a side form hook plate, and the two side form hook plates are respectively connected with a fourth stiffening plate.

Preferably, the first stiffening plate and the second stiffening plate are multiple and are respectively connected to the side walls opposite to the two lifting lug seats; the lower end faces of the first stiffening plate and the second stiffening plate are connected with the upper end face of the first middle cross beam; the two third stiffening plates are connected to the left side walls of the opposite surfaces of the two lifting lug seats, and the lower end faces of the two third stiffening plates are connected to the upper end face of the longitudinal beam reinforcing plate.

Preferably, the upper end face of the corner reinforcing plate is connected with the lower end face of the hoisting cross beam, and the left end face of the corner reinforcing plate is connected with the side wall of the longitudinal beam.

Preferably, the two side die hook plates are connected to the back-off surface of the two side die bearing beams, and the left ends of the side die hook plates are connected to the side walls of the longitudinal beams.

Preferably, the two fourth stiffening plates are connected to the side walls of the opposite surfaces of the two side die hook plates, and the lower ends of the two fourth stiffening plates are connected to the upper end face of the side die carrier beam.

Preferably, the first middle cross beam is provided with a plurality of cross beams.

Preferably, the number of the second middle cross beams is multiple.

The utility model has the advantages that: two groups of lifting appliances are arranged, a first middle cross beam is connected between two lifting cross beams, a second middle cross beam is connected between two longitudinal beams, and the upper ends of the two longitudinal beams are connected with the two lifting cross beams; the two hoisting cross beams are respectively connected with a lifting lug seat, the middle parts of the right side walls of the two longitudinal beams are respectively connected with a side form bearing beam, the two side form bearing beams are respectively connected with a side form hook plate, and the whole hoisting of the side forms with the span of 32m can be realized through the hoisting tool. The sideforms do not need to be dismantled into blocks. The times of assembling and disassembling the side die are reduced, the deformation of the side die is reduced, and the assembling and disassembling efficiency of the side die is accelerated.

Drawings

FIG. 1 is a front view of the lifting appliance for integrally lifting a side form of a large-span box girder of the utility model;

fig. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a detailed view of the corner reinforcing plate of the present invention;

figure 5 is a detail view of the lug seat of the present invention.

In the figure: 1. a stringer; 2. a stringer stiffener; 3. a first intermediate cross member; 9. a second intermediate cross member; 4. hoisting a cross beam; 5. a corner reinforcing plate; 6. a lug seat; 7. side form hook plates; 8. a side form carrier bar; 10. a first stiffener plate; 11. a second stiffener plate; 12. a third stiffener plate; 13. and a fourth stiffener.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The present invention will be further explained with reference to the accompanying drawings.

As shown in figures 1-5, the lifting appliance for the large-span box girder side form integral lifting is two groups, two gantry cranes can be used for double-machine lifting, the integral lifting of the side form with the span of 32m is realized, the device completely adopts 200# b channel steel and comprises two lifting cross beams 4 and two longitudinal beams 1, a first middle cross beam 3 is connected between the two lifting cross beams 4, and the first middle cross beam 3 is multiple. A second middle cross beam 9 is connected between the two longitudinal beams 1, and a plurality of second middle cross beams 9 are arranged. The upper ends of the two longitudinal beams 1 are connected with longitudinal beam reinforcing plates 2, and the side walls of the upper ends of the two longitudinal beams 1 are connected with the left ends of the two hoisting cross beams 4; the upper end surfaces of the two hoisting cross beams 4 are respectively connected with a lifting lug seat 6, the lower end surfaces of the left ends of the two lifting lug seats 6 are connected with the upper end surfaces of the two longitudinal beams 1, and the two lifting lug seats 6 are respectively connected with a first stiffening plate 10, a second stiffening plate 11 and a third stiffening plate 12; the lower end surfaces of the two hoisting cross beams 4 are respectively connected with the upper end surface of a corner reinforcing plate 5, the upper end surface of the corner reinforcing plate 5 is connected with the lower end surface of the hoisting cross beam 4, and the left end surface of the corner reinforcing plate 5 is connected with the side wall of the longitudinal beam 1; the middle parts of the right side walls of the two longitudinal beams 1 are respectively connected with a side mould bearing beam 8, the two side mould bearing beams 8 are respectively connected with a side mould hook plate 7, and the two side mould hook plates 7 are respectively connected with a fourth stiffening plate 13. The two side die hook plates 7 are connected to the back-off surfaces of the two side die bearing beams 8, and the left ends of the side die hook plates 7 are connected to the side walls of the longitudinal beams 1. The two fourth stiffening plates 13 are connected to the side walls of the opposite surfaces of the two side die hook plates 7, and the lower ends of the two fourth stiffening plates 13 are connected to the upper end surfaces of the side die carrier beams 8. The first stiffening plates 10 and the second stiffening plates 11 are multiple and are respectively connected to the side walls of the opposite surfaces of the two lug seats 6; the lower end surfaces of the first stiffening plate 10 and the second stiffening plate 11 are connected to the upper end surface of the first middle cross beam 3; the two third stiffening plates 12 are connected to the left side walls of the opposite surfaces of the two lug seats 6, and the lower end surfaces of the two third stiffening plates 12 are connected to the upper end surface of the longitudinal beam reinforcing plate 2. The two longitudinal beams 1 and the hoisting crossbeam 4 form an outer frame; the side mould bearing beam 8 is connected with the longitudinal beam 1 to form a section stress system; the first middle cross beam 3 and the second middle cross beam 9 connect the frames at the two sides to form a whole; the lifting lug seat 6 is connected with the lifting beam 4 and used for penetrating the steel wire rope.

Specifically, during hoisting, two groups of hoists are respectively arranged at two ends of a hoisted side die, parts below a hoisting cross beam 4 in the hoists are arranged in the side die, a side die hook plate 7 is connected with the side die in a hanging mode, a steel wire rope on a crane hook is tied on a lifting lug seat 6, the crane is started to hoist the side die, and the whole hoisting of the side die with the span of 32m can be realized through the hoists. The side forms do not need to be dismantled into blocks. The times of installing and dismantling the side form are reduced, the deformation of the side form is reduced, and meanwhile the efficiency of installing and dismantling the side form is accelerated.

The working principle is as follows: during lifting, two groups of lifting appliances are respectively arranged at two ends of a lifted side mould, parts below a lifting beam 4 in the lifting appliances are arranged in the side mould, a side mould hook plate 7 is connected with the side mould in a hanging mode, a steel wire rope on a crane hook is threaded on a lifting lug seat 6, the crane is started to lift the side mould, and the lifting appliances can realize integral lifting of the side mould with the span of 32 m.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. The lifting appliance for integrally lifting the large-span box girder side forms is characterized by comprising two lifting cross beams (4) and two longitudinal beams (1), wherein a first middle cross beam (3) is connected between the two lifting cross beams (4), a second middle cross beam (9) is connected between the two longitudinal beams (1), the upper ends of the two longitudinal beams (1) are connected with longitudinal beam reinforcing plates (2), and the side walls of the upper ends of the two longitudinal beams (1) are connected with the left ends of the two lifting cross beams (4); the upper end faces of the two hoisting cross beams (4) are respectively connected with a lifting lug seat (6), the lower end faces of the left ends of the two lifting lug seats (6) are connected with the upper end faces of the two longitudinal beams (1), and the two lifting lug seats (6) are respectively connected with a first stiffening plate (10), a second stiffening plate (11) and a third stiffening plate (12); the lower end faces of the two hoisting cross beams (4) are respectively connected with a corner reinforcing plate (5); the middle parts of the right side walls of the two longitudinal beams (1) are respectively connected with a side die bearing beam (8), the two side die bearing beams (8) are respectively connected with a side die hook plate (7), and the two side die hook plates (7) are respectively connected with a fourth stiffening plate (13).

2. The large-span box girder side integral hoisting sling according to claim 1, wherein the first stiffening plate (10) and the second stiffening plate (11) are provided with a plurality of pieces and are respectively connected to the side walls of the two lifting lug seats (6) on the opposite surfaces; the lower end faces of the first stiffening plate (10) and the second stiffening plate (11) are connected to the upper end face of the first middle cross beam (3); the two third stiffening plates (12) are connected to the left side wall of the opposite surface of the lifting lug seat (6), and the lower end surfaces of the two third stiffening plates (12) are connected to the upper end surface of the longitudinal beam stiffening plate (2).

3. The large-span box girder side mold integral hoisting sling according to claim 1, wherein the upper end surface of the corner reinforcing plate (5) is connected with the lower end surface of the hoisting cross beam (4), and the left end surface of the corner reinforcing plate (5) is connected with the side wall of the longitudinal beam (1).

4. The lifting appliance for integrally lifting the side dies of the large-span box girder according to claim 1, wherein two side die hook plates (7) are connected to the deviating surfaces of two side die bearing beams (8), and the left ends of the side die hook plates (7) are connected to the side walls of the longitudinal girder (1).

5. The large-span box girder side integral hoisting sling according to claim 1, wherein two fourth stiffening plates (13) are connected to the side walls of the two side mould hook plates (7) on opposite sides, and the lower ends of the two fourth stiffening plates (13) are connected to the upper end faces of the side mould carrier beams (8).

6. The large-span box girder side mold integral hoisting sling according to claim 1, wherein the first intermediate cross beam (3) is provided with a plurality of cross beams.

7. The large-span box girder side mold integral hoisting sling according to claim 1, wherein the second intermediate cross beam (9) is provided with a plurality of beams.