CN219823373U

CN219823373U - Concrete precast column hoisting shaft convenient for recycling

Info

Publication number: CN219823373U
Application number: CN202320986386.2U
Authority: CN
Inventors: 仇俊岳; 吕振亮; 王孟抚; 赵执峰; 王志保
Original assignee: Sinopec Fourth Construction Co Ltd
Current assignee: Sinopec Fourth Construction Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-13
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a concrete precast column hoisting shaft convenient for recycling, which comprises a hoisting shaft penetrating through a hoisting hole, wherein the hoisting shaft is of a solid structure and is provided with a middle section, two sides of the middle section are respectively provided with a shaft shoulder section, the shaft shoulder sections are anastomotic with the hoisting hole, the diameter of the middle section is smaller than that of the shaft shoulder sections, part of the shaft shoulder sections penetrate through the hoisting hole, an inner rope blocking ring, a sleeve and an outer rope blocking ring are sleeved on the penetrating part of the shaft shoulder sections from inside to outside in sequence, the inner rope blocking ring is clung to the precast column, the outer rope blocking ring is fixedly connected on the end face of the penetrating part of the shaft shoulder sections by adopting a stud and a lock nut, and a lifting lug is arranged on the outer rope blocking ring. The utility model can be repeatedly used, can avoid welding a large number of shaft type or plate lifting lugs of the burette, and can save measure materials. The hanging shaft adopts a structure with thin middle and thick two ends, so that the hanging shaft is convenient to pass through a gap of a longitudinal rib of the concrete upright post, is convenient to install, has light weight and is convenient to detach; and meanwhile, the outer retaining rope ring is fixed by adopting the stud and the lock nut, so that the outer retaining rope ring is convenient to detach.

Description

Concrete precast column hoisting shaft convenient for recycling

Technical Field

The utility model relates to a hoisting shaft, in particular to a concrete precast column hoisting shaft convenient to recycle.

Background

The form of pre-buried tubular lug or plate-type lug is adopted as the hoisting point to the concrete precast column hoist and mount more, adopts tubular lug or plate-type lug hoist and mount to a small amount of precast columns, has the advantage of simple in design, easy operation. However, for prefabricated columns with a large number of specifications and the same model, if the prefabricated columns are still hoisted in a tubular or plate-type lifting lug mode, the number of materials for temporary measures is huge, and the construction cost is increased. Therefore, the concrete precast column hoisting shaft convenient to recycle needs to be developed according to the actual situation of the site so as to solve the problem of material waste of the hoisting point.

Disclosure of Invention

The utility model provides a concrete precast column hoisting shaft which is convenient to recycle and is simple and convenient to install and detach, so as to solve the technical problems in the prior art.

The utility model adopts the technical proposal for solving the technical problems in the prior art that: the utility model provides a precast concrete post hoist and mount axle convenient to reuse, includes the hoist and mount axle that passes the hoist and mount hole, the hoist and mount axle adopts solid structure, is equipped with the interlude the both sides of interlude respectively are equipped with a shoulder section, shoulder section coincide with the hoist and mount hole, the diameter of interlude is than shoulder section is little, part shoulder section wears out the hoist and mount hole shoulder section wears out in proper order from interior to outside in the portion of wearing out of shoulder section is equipped with keeps off rope loop, sleeve and outer fender rope loop, interior fender rope loop hugs closely the precast column, outer fender rope loop adopts double-screw bolt and lock female rigid coupling to be in on the portion terminal surface of wearing out of shoulder section be equipped with the lug on the outer fender rope loop.

Based on the scheme, the utility model also makes the following improvements:

the outer baffle of the inner baffle rope ring is provided with an outward arc chamfer.

The inner baffle of the outer baffle rope ring is provided with an inward arc chamfer.

And a yellow oil layer is coated on the inner side wall of the sleeve.

The utility model has the advantages and positive effects that: the hoisting shaft can be reused, a large number of shaft type or plate-type lifting lugs of the buret can be avoided being welded, and measure materials can be saved. The hanging shaft is provided with the shaft shoulder section, so that the middle section with smaller diameter is not contacted with the inner wall of the hanging hole, the maximum bending moment of the hanging shaft can be reduced, the diameter of the hanging shaft can be reduced under the condition of the same stress condition, and the hanging shaft can conveniently pass through the gaps of the longitudinal ribs of the concrete upright post, thereby being convenient for installation; the hanging shaft is light in weight and convenient to detach; meanwhile, the outer retaining rope ring is fixed by the stud and the lock nut, and the outer retaining rope ring is convenient to detach after being hoisted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a crane axle according to the present utility model;

FIG. 3 is a schematic view of an inner retainer ring of the present utility model;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a schematic view of an outer retainer ring of the present utility model;

fig. 6 is a side view of fig. 5.

In the figure: 1. prefabricating a column; 2. hanging the shaft; 2-1, an intermediate section; 2-2, a shaft shoulder section; 3. an inner retainer rope ring; 3-1 outer side baffle; 4. a sleeve; 5. an outer retainer ring; 5-1, lifting eyes; 5-2, inner side baffle; 6. a stud; 7. and (5) locking a nut.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

referring to fig. 1-6, a concrete precast column hoisting shaft convenient for recycling comprises a hoisting shaft 2 penetrating through a hoisting hole, wherein the hoisting shaft 2 is of a solid structure and is provided with a middle section 2-1, two sides of the middle section 2-1 are respectively provided with a shaft shoulder section 2-2, the shaft shoulder sections 2-2 are matched with the hoisting hole, the diameter B of the middle section 2-1 is smaller than the diameter A of the shaft shoulder sections 2-2, part of the shaft shoulder sections 2-2 penetrate out of the hoisting hole, an inner rope blocking ring 3, a sleeve 4 and an outer rope blocking ring 5 are sleeved on the penetrating part of the shaft shoulder sections from inside to outside in sequence, the inner rope blocking ring 4 is tightly attached to the precast column 1, the outer rope blocking ring 5 is fixedly connected to the end face of the penetrating part of the shaft shoulder sections by a stud 6 and a lock nut 7, and lifting lugs 5-1 are arranged on the outer rope blocking ring 5.

The hoisting shaft can be reused. The hanging shaft 2 is provided with the shaft shoulder section, so that the middle section with smaller diameter is not contacted with the inner wall of the hanging hole, the maximum bending moment of the hanging shaft can be reduced, the diameter of the hanging shaft can be reduced under the condition of the same stress condition, and the hanging shaft can conveniently pass through the gaps of the longitudinal ribs of the concrete upright post, thereby being convenient for installation; the hanging shaft is light in weight and convenient to detach; meanwhile, the outer retaining rope ring is fixed by the stud and the lock nut, and the outer retaining rope ring is convenient to detach after being hoisted.

In this embodiment, the outer baffle 3-1 of the inner rope blocking ring 3 is provided with an outward arc chamfer to avoid damage to the steel wire rope after contact. Similarly, the inner baffle 5-2 of the outer baffle ring 5 is provided with an inward arc chamfer. The inner side wall of the sleeve 4 is coated with a yellow oil layer, so that the friction resistance of the sleeve 4 during rotation can be reduced, the steel wire rope is prevented from sliding on the sleeve 4, and the steel wire rope is prevented from being worn.

The application method of the utility model comprises the following steps:

1) Cleaning a lifting hole on the concrete precast column, and ensuring that no sundries exist in the lifting hole and no bulges such as welding slag and the like exist on the inner wall;

2) Penetrating a lifting shaft 2 into the lifting hole;

3) Installing an inner retaining rope ring 3;

4) A mounting sleeve 4;

5) Installing an outer retaining rope ring 5;

6) The outer retaining rope ring 5 is fixed by the fastening stud 6 and the lock nut 7;

7) Hanging the steel wire rope on sleeves 4 on two sides;

8) Carrying out hoisting operation;

9) Positioning and aligning the concrete precast column, and after fixing, preparing to dismantle the hoisting shaft;

10 A lock nut 7 at one side is disassembled, and an outer rope blocking ring 5, a sleeve 4 and an inner rope blocking ring 3 at one side are disassembled;

11 The hanging shaft 2 is pulled out from the hanging hole from the other side, and the operation is completed.

Although the preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the appended claims, which are within the scope of the present utility model.

Claims

1. The utility model provides a concrete precast column hoist and mount axle convenient to reuse, its characterized in that, including the hoist and mount axle that passes the hoist and mount hole, the hoist and mount axle adopts solid structure, is equipped with the interlude the both sides of interlude respectively are equipped with a shoulder section, shoulder section coincide with the hoist and mount hole, the diameter of interlude is than shoulder section is little, and part shoulder section wears out the hoist and mount hole the interior fender rope loop, sleeve and the outer fender rope loop of cover in proper order from inside to outside on the portion of wearing out of shoulder section, interior fender rope loop hugs closely the precast column, outer fender rope loop adopts double-screw bolt and lock female rigid coupling to be in on the portion terminal surface of wearing out of shoulder section be equipped with the lug on the outer fender rope loop.

2. The concrete precast column hoisting shaft convenient to recycle according to claim 1, wherein the outer baffle of the inner retaining rope ring is provided with an outward arc chamfer.

3. The concrete precast column hoisting shaft convenient to recycle according to claim 1, wherein the inner baffle of the outer retainer ring is provided with an inward arc chamfer.

4. The concrete precast column hoisting shaft convenient for recycling according to claim 1, wherein a yellow oil layer is coated on the inner side wall of the sleeve.