WO2023071385A1

WO2023071385A1 - Vertical-column hoisting tool, and operating method therefor

Info

Publication number: WO2023071385A1
Application number: PCT/CN2022/111435
Authority: WO
Inventors: 王帅; 刘腾; 刘建伟; 张华�; 周豪; 周尚民; 刘凯响
Original assignee: 中国电建集团山东电力建设第一工程有限公司
Priority date: 2021-11-01
Filing date: 2022-08-10
Publication date: 2023-05-04
Also published as: CN113955632A

Abstract

The present invention relates to a vertical-column hoisting tool and an operating method therefor. The vertical-column hoisting tool comprises a first component and a second component, which are connected as one by means of a connecting member, and further comprises a third component, wherein the third component is fixedly connected to the first component and/or the second component, the third component is fixed to one end of an elastic member, the other end of the elastic member is connected to one end of a hoisting member, the first component and the second component are provided with openings for the hoisting member to pass therethrough, the other end of the hoisting member passes through a first anti-drop component, and the first anti-drop component is connected to a pull rope. By means of the vertical column hoisting tool of the present invention, the process of unhooking is highly efficient and has a good degree of safety.

Description

A column hoisting tool and working method

technical field

The invention relates to the technical field of lifting and hoisting, in particular to a column hoisting tool and a working method.

Background technique

Before the column is hoisted, it is necessary to set up a scaffold for unhooking at the top of the column, and lay a ladder from the top of the column to the bottom of the column, that is, a self-locking device for construction personnel to go up and down; use a snap ring to connect the wire rope to the top of the column and lift it. Go up the ladder to the scaffold at the top of the column and remove the snap ring and loose hook.

technical problem

The inventor found that the traditional construction method has the following disadvantages when hoisting the column:

1. Before construction, it is necessary to set up scaffolding, ladders, self-locking devices, etc. in advance, which consumes manpower and material resources.

2. During the construction process, construction personnel need to climb to the top of the column, and there are safety risks in the process.

3. There are many columns in the hoisting process of the steel beam, and the traditional method of unhooking one by one takes a long time.

technical solution

The object of the present invention is to overcome the deficiencies of the prior art and provide a column hoisting tool, which does not require construction personnel to climb to the top of the column to remove hooks, has high work efficiency, and avoids safety risks when climbing ladders.

To achieve the above object, the present invention adopts the following technical solutions:

In the first aspect, an embodiment of the present invention provides a column lifting tool, including a first part and a second part connected as a whole through a connecting piece, and a third part, the third part and the first part and/or the second part The two parts are fixedly connected, the third part is fixed to one end of the elastic part, the other end of the elastic part is connected to one end of the lifting part, the first part and the second part are provided with openings for the lifting part to pass through, and the other end of the lifting part The first anti-off part passes through, and the first anti-off part is connected with the pull cord.

Optionally, the first component and the second component are plate-like structures, and the first component and the second component are arranged in parallel.

Optionally, the first part and the second part are provided with hoisting holes capable of cooperating with snap rings connected with steel wire ropes under the hooks of the hoisting equipment.

Optionally, the lifting hole is provided at one end of the first part and the second part, and the lifting part passes through the first part and the second part through the other end of the first part and the second part.

Optionally, the end of the lifting member used to connect with the elastic member is provided with a second anti-off component, and the second anti-off component is connected to the end of the elastic component.

Optionally, a through hole is provided at the end of the lifting member, and the first anti-off component passes through the lifting member through the through hole.

Optionally, the third part is a rod-shaped structure, including a first rod segment, one end of the first rod segment is fixed to the first part or the second part, and the other end of the first rod segment is perpendicular to one end of the second rod segment connected, the elastic member is connected with the second rod segment.

Optionally, a connection hole is provided at the end of the first anti-loosening component, and the first anti-loosening component is connected to the pull cord through the connection hole.

Optionally, the length of the stay rope is greater than the height of the column to be hoisted.

In the second aspect, the embodiment of the present invention provides a working method of a column hoisting tool: After the lifting piece passes through the first component, the top of the column and the second component, insert the first anti-off component at the end of the lifting piece, and then lift the The lifting device is connected with the lifting device, and the column is hoisted by the lifting device. After the column is hoisted, the pull rope is pulled to make the first anti-off part and the lifting part separate. Under the action of the elastic part, the lifting part and the first part, the second The parts and columns are separated to complete the unhooking.

Beneficial effect

In the column hoisting tool of the present invention, when unhooking, the construction personnel only need to pull the stay rope so that the first anti-detachment part is separated from the lifting part. The hoisted column is separated, and then the hook removal is realized. During the construction, there is no need to set up scaffolding, pull the self-locking device and other processes, saving time and effort, and the construction effect is high. In addition, the staff can pull the rope from the ground to realize the hook removal without climbing. To the top of the column, avoiding the safety risk when climbing the ladder.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and not to limit the present application.

Fig. 1 is a schematic structural view of a column hoisting tool according to Embodiment 1 of the present invention;

Among them, 1. The first steel plate, 2. The second steel plate, 3. The connecting steel plate, 4. Lifting hole, 5. The first rod section, 6. The second rod section, 7. Spring, 8. Lifting parts, 9. The first Two anti-off parts, 10. The first anti-off parts.

BEST MODE FOR CARRYING OUT THE INVENTION

This embodiment provides a column hoisting tool, as shown in Figure 1, including a first part and a second part. In this embodiment, the first part and the second part adopt a plate structure, for the convenience of material collection and processing , the first component adopts the first steel plate 1, the second component adopts the second steel plate 2, the first steel plate 1 and the second steel plate 2 are arranged in parallel, and the first steel plate 1 and the second steel plate 2 are connected by a connecting piece As a whole, the connector adopts a connecting steel plate 3, and the connecting steel plate 3 can be provided with one or more pieces. The first steel plate 1 and one side of the connecting steel plate 3 are welded and fixed, and the other side of the connecting steel plate 3 is connected to the second steel plate. 2 welding fixed.

The first steel plate 1 and the second steel plate 2 adopt rectangular steel plates or square steel plates or steel plates of other shapes, which can be selected by those skilled in the art according to actual needs. Partially entered on demand.

Preferably, the connecting steel plate 3 is welded and fixed at the middle position between the first steel plate 1 and the second steel plate 2 .

The upper part of the first steel plate 1 and the second steel plate 2 is provided with a lifting hole 4, the lifting hole 4 on the first steel plate 1 and the second steel plate 2 is coaxially arranged, and the lifting hole 4 is connected with the wire rope under the hook of the lifting equipment. The snap ring connected with the cable matches, and the snap ring can be connected with the first steel plate 1 and the second steel plate 2 through the lifting hole 4 .

The hoisting tool also includes a third component, the third component is fixed to the first steel plate 1 or the third component is fixed to the second steel plate 2 or the third component is fixed to both the first steel plate 1 and the second steel plate 2 .

In this embodiment, the third component is fixed to the second steel plate 2 .

The third part adopts a rod-shaped structure, and for the convenience of obtaining materials, the third part is made of steel bars.

In this embodiment, the third component is an L-shaped rod-shaped structure formed by bending steel bars at 90°, including a first rod segment 5 and a second rod segment 6, and one end of the first rod segment 5 is connected to the second rod segment. The second steel plate 2 is welded and fixed, and the other end of the second rod section 5 is integrally connected with one end of the second rod section 6 .

In some other embodiments, the third part can also adopt an arc-shaped rod or the third part can adopt a plate-shaped structure, for example, the third part can adopt an L-shaped plate or an arc-shaped plate, and those skilled in the art can set it according to actual needs .

Further, in order to ensure the bearing capacity requirements of the third component, the third component is welded at the welding position between the second steel plate 2 and the connecting piece.

The second rod section 6 of the third component is connected to one end of the elastic member, and the other end of the elastic member is connected to the lifting member.

In this embodiment, the elastic member adopts a spring 7 , one end of the spring 7 is fixedly connected to the second rod segment, and the other end of the spring 7 is connected to the lifting member 8 , which can exert elastic force on the lifting member 8 .

The lifting member 8 can pass through the hoisting hole at the top of the column, so as to apply a lifting load to the column.

Bottoms of the first steel plate 1 and the second steel plate 2 are provided with openings, the openings are matched with the lifting piece 8, and the lifting piece can pass through the first steel plate 1 and the second steel plate 2 through the opening.

In this embodiment, the lifting member 8 adopts a polished rod or a threaded rod, and one end of the lifting member 8 is provided with a second anti-off part 9, and the second anti-off part adopts a cylindrical structure, and the outer diameter of the cylindrical structure is Larger than the diameter of the opening, the second anti-loosening component 9 can contact the side of the second steel plate 2 welded with the third component, thereby preventing the lifting member 8 from detaching from the second steel plate. The spring 7 is connected with the lifting piece through the second release part 9 .

In this embodiment, for the convenience of obtaining materials, the lifting member 8 adopts a lifting bolt, and the head of the lifting bolt can be used as the second anti-loosening component, and there is no need to additionally weld the second anti-loosening component 9 .

The other end of the lifting part 8 is provided with a jack, through which a first anti-off part 10 is passed, and the first anti-off part 10 adopts an anti-off bar, and the length of the anti-off bar is greater than the diameter of the opening , the anti-loosening rod can be in contact with the side of the first steel plate 1 away from the second steel plate 2, thereby preventing the lifting member 8 from detaching from the first steel plate.

One end of described anti-off rod is provided with connecting hole, and anti-off rod is tied and fixed with one end of stay rope by connecting hole, and the staff pulls stay cord, and anti-off rod can be separated with hoisting part 8. Preferably, the drawstring is a soft rope.

Further, in order to facilitate the spring 7 to pull the lifting member 8 out to separate from the first steel plate 1 and the second steel plate 2, the connection position between the spring 7 and the second rod segment 6 is located at the distance between the first steel plate 1 and the second steel plate 2. on the axis of the hole.

Further, in order to facilitate construction personnel to pull the stay rope, the length of the stay rope is greater than the height of the column to be hoisted.

The usage method of the column hoisting tool of the present embodiment is as follows:

The first steel plate 1 and the second steel plate 2 are connected through the snap ring connected by the steel wire rope under the hoisting hole 4 hoisting equipment hook of the upper part. Extend into the space between the first steel plate 1 and the second steel plate 2, the hoisting part of the column has a hoisting hole, after passing the lifting part 8 through the second steel plate 2, the hoisting part of the column and the first steel plate 1 in sequence, the lifting part The end of the first steel plate 1 is inserted into the first anti-off component 10, and the first anti-off component 10 and the second anti-off component 9 can prevent the lifting member 8 from detaching from the first steel plate 1 and the second steel plate 2.

Utilize the hoisting part 8 to support the column now, and utilize the hoisting equipment to hoist the column.

After the hoisting of the column is completed, the construction personnel pull the stay rope on the ground, and pull the first anti-off part 10 out of the lifting part 8 through the stay cord, so that the lifting part 8 is separated from the first anti-off part 10, and under the action of the elastic force of the spring 7 Next, the lifting part 8 leaves the hoisting part of the first steel plate 1, the second steel plate 2 and the column through the openings on the first steel plate 1 and the second steel plate 2, and the hook removal is completed. At this time, the lifting device can be used to hoist the column The tool is placed in the set position for the next use.

With the hoisting tool of this embodiment, the construction personnel only need to pull the pull rope on the ground to complete the hook removal operation. During construction, there is no need to set up scaffolding, pull and set up self-locking devices, etc., which saves time and effort, and the construction effect is high. The hook can be removed by pulling the pull rope on the ground, without the need to climb to the top of the column, avoiding the safety risk when climbing the ladder.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. Those skilled in the art should understand that on the basis of the technical solution of the present invention, those skilled in the art do not need to pay creative work Various modifications or variations that can be made are still within the protection scope of the present invention.

Claims

A column lifting tool, characterized in that it includes a first part and a second part connected as a whole through a connecting piece, and also includes a third part, the third part is fixedly connected with the first part and/or the second part, and the third part The part is fixed with one end of the elastic part, and the other end of the elastic part is connected with one end of the lifting part. The first part and the second part are provided with openings for the lifting part to pass through, and the other end of the lifting part is passed through with a first anti-off The first part is connected with the pull rope; the first part and the second part are provided with a lifting hole that can be matched with the snap ring connected to the wire rope under the hook of the lifting device; the lifting hole is arranged on the first part and one end of the second part, the lifting part passes through the first part and the second part through the other end of the second part.
The column lifting tool according to claim 1, wherein the first part and the second part are plate-shaped structures, and the first part and the second part are arranged in parallel.
A column hoisting tool according to claim 1, characterized in that, the end of the lifting member used to connect with the elastic member is provided with a second anti-off component, and the second anti-off component is connected to the end of the elastic component .
The column lifting tool according to claim 1, wherein a through hole is provided at the end of the lifting member, and the first anti-off component passes through the lifting member through the through hole.
A column lifting tool according to claim 1, wherein the third part is a rod-shaped structure, including a first rod section, one end of the first rod section is fixed to the first part or the second part, and the first The other end of the pole section is vertically connected with one end of the second pole section, and the elastic member is connected with the second pole section.
The column lifting tool according to claim 1, wherein a connection hole is provided at the end of the first anti-off component, and the first anti-off component is connected to the pull rope through the connection hole.
A column hoisting tool according to claim 1, wherein the length of the stay rope is greater than the height of the column to be hoisted.
A working method for a column hoisting tool according to any one of claims 1-7, characterized in that, after the lifting piece passes through the first part, the top of the column and the second part, the first anti-off position is inserted into the end of the lifting piece. Components, connect the lifting piece with the lifting equipment, use the lifting equipment to hoist the column, after the column is hoisted, pull the pull rope, so that the first anti-off part is separated from the lifting piece, under the action of the elastic piece, the lifting piece and the first The component, the second component and the column are separated to complete the unhooking.