CN210313122U - Lifting tool - Google Patents

Abstract

The utility model discloses a lifting tool, which comprises a connecting pipe fitting and a connecting pipe group, wherein the first end of the connecting pipe fitting is used for connecting a target part, and the second end of the connecting pipe fitting is fixed at the first end of the connecting pipe group; connect the second end of nest of tubes to be connected with the mounting, the mounting is used for supplying hoisting equipment to connect, utilizes the utility model discloses the lifting means of embodiment can make condensate pump promote in-process safety and stability more.

Description

Lifting tool

Technical Field

The utility model relates to a mechanical equipment technical field especially relates to a lifting means.

Background

When a condensate pump of a large thermal power generating unit is overhauled, the shaft of the pump is pulled and adjusted, and the pump seal, an oil chamber, a thrust bearing and a pair wheel are disassembled and reassembled.

In the process of hanging the condensate pump from a platform with the height of more than ten meters to a working surface with the height of zero meter, a lifting rope is required to bear large pulling force, the lifting rope is easy to wear and influence to use under the conditions of repeated use and long-term erosion, and a special lifting tool suitable for hoisting the condensate pump is not available at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting tool for promote condensate pump.

The utility model provides a lifting tool, which comprises a connecting pipe fitting and a connecting pipe group, wherein the first end of the connecting pipe fitting is used for connecting a target part, and the second end of the connecting pipe fitting is fixed at the first end of the connecting pipe group; the second end of connecting the nest of tubes is connected with the mounting, the mounting is used for supplying lifting means to connect.

In an implementation manner, the connecting pipe includes a first pipe and a second pipe, the connecting pipe includes a first pipe set and a second pipe set, the first pipe is connected to the first pipe set, the second pipe is connected to the second pipe set, the first pipe set is connected to one end of the fixing member, the second pipe set is connected to the second end of the fixing member, a lifting portion for fixing the lifting device is arranged in the middle of the fixing member, and the first pipe set and the second pipe set are symmetrically arranged relative to the lifting portion.

In one embodiment, the first pipe set comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is connected with the first pipe, the second connecting pipe is connected with the first end of the fixing piece, and the first connecting pipe is vertically connected with the middle of the second connecting pipe; and/or, the second nest of tubes is including third connecting pipe and fourth connecting pipe, the third connecting pipe supplies the second pipe fitting to connect, the fourth connecting pipe supplies the second end of mounting to connect, the perpendicular middle part at the fourth connecting pipe of connecting of third connecting pipe.

In one embodiment, the length of the first connection pipe is greater than the length of the second connection pipe, the length of the third connection pipe is greater than the length of the fourth connection pipe, and the length of the first connection pipe is equal to the length of the third connection pipe.

In an embodiment, the fixing element is a cross arm tube, a first end of the cross arm tube is slidably inserted into the lumen of the second connecting tube, a second end of the cross arm tube is slidably inserted into the lumen of the fourth connecting tube, and a positioning portion for connecting a lifting device is arranged in the middle of the cross arm tube.

In one embodiment, the first pipe member includes a first connection portion and a first threaded portion, the first connection portion and the first threaded portion being fixed, the first connection portion being connected to the first pipe group, and the first threaded portion being used to connect the target member; and/or the second pipe fitting comprises a second connecting part and a second threaded part, the second connecting part and the second threaded part are fixed, the second connecting part is connected with the second pipe group, and the second threaded part is used for connecting the target part.

In an embodiment, the first tube group is arranged on the first connecting part in a penetrating way, and the first tube group and the first connecting part are fixed through bolts; and/or the second pipe group is arranged on the second connecting part in a penetrating mode, and the second pipe group is connected with the second connecting part through bolts.

In an embodiment, the first connection portion includes a first sleeve through which the first tube set passes and a first positioning surface to which the first threaded portion is connected, the first positioning surface is fixedly arranged at an end of the first sleeve, and the first threaded portion is connected to a central position of the first positioning surface; and/or the second connecting part comprises a second sleeve for the second pipe group to penetrate through and a second positioning surface for the second thread part to connect, the second positioning surface is fixedly arranged at the end part of the second sleeve, and the second thread part is connected at the central position of the second positioning surface.

In one embodiment, the first and second connecting portions have equal lengths.

In one embodiment, the connecting pipe is a metal pipe, and the connecting pipe group is a metal pipe group.

The embodiment of the utility model provides a lifting means is used for the special lifting means who promotes the in-process as large-scale thermal power generating unit's condensate pump, through this special lifting means, can replace rope ligature condensate pump's promotion mode, compares in the rope, utilizes the utility model discloses the lifting means of embodiment can make condensate pump promote in-process safety and stability more.

Drawings

Fig. 1 is a schematic structural view of a lifting tool according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a lifting tool and a target part according to an embodiment of the present invention.

Wherein the reference numbers are as follows: 1. connecting pipe fittings; 11. a first pipe member; 111. a first connection portion; 1111. a first sleeve; 1112. a first positioning surface; 112. a first threaded portion; 12. a second pipe member; 121. a second connecting portion; 1211. a second sleeve; 1212. a second positioning surface; 122. a second threaded portion; 2. a connecting pipe group; 21. a first tube group; 211. a first connecting pipe; 212. a second connecting pipe; 22. a second tube group; 221. a third connecting pipe; 222. a fourth connecting pipe; 3. a target part; 4. a fixing member; 41. a positioning part.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural view of a lifting tool according to an embodiment of the present invention; fig. 2 is a schematic view of a connection structure between a lifting tool and a target 3 according to an embodiment of the present invention.

Referring to fig. 1 and 2, a lifting tool provided in an embodiment of the present invention includes a connecting pipe member 1 and a connecting pipe group 2, a first end of the connecting pipe member 1 is used for connecting a target member 3, and a second end of the connecting pipe member 1 is fixed to a first end of the connecting pipe group 2; the second end of the connecting pipe set 2 is connected with a fixing piece 4, and the fixing piece 4 is used for connecting a lifting device.

The embodiment of the utility model provides a lifting means is used for promoting the lifting means of in-process as large-scale thermal power generating unit's condensate pump, through this lifting means, can replace rope ligature condensate pump's promotion mode, compares in the rope, utilizes the utility model discloses the lifting means of embodiment can make condensate pump promote in-process safety and stability more. Different from the flexible material of the rope, the lifting tool mainly comprises a connecting pipe fitting 1 and a connecting pipe group 2, wherein the connecting pipe fitting 1 and the connecting pipe group 2 are both made of rigid materials, and the relative position between the connecting pipe fitting 1 and the connecting pipe group 2 can be always fixed in the lifting process and can be fixed with a condensate pump, so that the lifting tool has more stability in the lifting process compared with the rope; and because the connecting pipe fitting 1 and the connecting pipe group 2 are made of rigid materials, the abrasion condition similar to that of a rope is not easy to occur in the lifting process, the abrasion loss in the lifting process at every time is lower by utilizing the lifting tool, and the lifting tool can be used for multiple times, so that the lifting process has higher safety.

Specifically, hoisting device is including connecting pipe fitting 1 and connecting pipe group 2, connects pipe fitting 1 and is straight tubulose for connect target spare 3 and connecting pipe group 2, its first end is used for connecting target spare 3, connects the first end of pipe fitting 1 and passes through bolted connection, joint or other connected modes and fix on target spare 3, owing to connect the first end of pipe fitting 1 and need follow target spare 3 and demolish after the completion dismantlement, therefore the fixed preferred connection of dismantling of here, for example bolted connection. The second end of connecting pipe fitting 1 is fixed in the first end of connecting pipe group 2, and the connected mode here can be arbitrary connected modes such as bolted connection, cup joint, articulated. The connecting pipe set 2 is used for connecting the connecting pipe 1 and the fixing piece 4, and the fixing piece 4 is connected at the second end of the connecting pipe set 2. It should be noted that, be different from connecting pipe fitting 1, connecting pipe group 2 is including more than one pipe fitting, consequently, the tip quantity of connecting pipe group 2 is more than or equal to two, except that the second end promptly, the utility model discloses connecting pipe group 2 of embodiment can also have third end, fourth end … and does not have here to describe repeatedly. The first end, the second end, the third end and the fourth end have only differences in nomenclature.

The fixing element 4 is intended for connection to a lifting device, such as a crane, a hoist or the like, where the connection is also in the form of a detachable connection. The fixing member 4 may be detachably fixed to the second end of the connection pipe set 2, or may be integrally formed with the connection pipe set 2.

When the condensate pump is lifted by the lifting tool, the first end of the connection pipe member 1 is first fixed to the target member 3, the second end of the connection pipe member 1 is then connected to the first end of the connection pipe group 2, and the lifting device is then connected to the fixing member 4 integrally formed with the connection pipe group 2. The lifting device is activated and lifts the target piece 3 by means of the lifting means. After the lifting of the target piece 3 is completed, the lifting device is separated from the fixing piece 4, the condensate pump is separated from the connecting pipe fitting 1, and the movement of the target piece 3 is completed.

In the embodiment of the present invention, the connecting pipe member 1 is a metal pipe member, and the connecting pipe member 2 is a metal pipe member.

In the selection of various rigid materials, the connecting pipe fitting 1 and the connecting pipe group 2 are preferably made of metal materials, such as stainless steel pipes, and the metal materials can bear large pulling force and are not easy to wear and damage.

In the embodiment of the present invention, the connection pipe member 1 includes the first pipe member 11 and the second pipe member 12, the connection pipe member 2 includes the first pipe member 21 and the second pipe member 22, the first pipe member 11 is connected to the first pipe member 21, the second pipe member 12 is connected to the second pipe member 22, the first pipe member 21 is connected to the first end of the fixing member 4, the second pipe member 22 is connected to the second end of the fixing member 4, the middle portion of the fixing member 4 is provided with the lifting portion for fixing the lifting device, and the first pipe member 21 and the second pipe member 22 are symmetrically arranged relative to the lifting portion.

In order to further improve the stability of lifting means, the embodiment of the utility model provides a lifting means still has better balanced effect at the in-process that promotes condensate pump. Specifically, the connection pipe member 1 includes a first pipe member 11 and a second pipe member 12, and the first pipe member 11 and the second pipe member 12 are respectively disposed at both sides of the connection pipe group 2. Meanwhile, the connection pipe group 2 includes a first pipe group 21 and a second pipe group 22, the first pipe group 21 is used for positioning the first pipe 11, the second pipe group 22 is used for positioning the second connecting piece, and the first pipe group 21 and the second pipe group 22 are respectively arranged at two ends of the fixing piece 4, so that the first pipe 11 and the second pipe 12 are symmetrical relative to the fixing piece 4, meanwhile, a lifting part for fixing the lifting equipment is arranged in the middle of the fixing piece 4, and the first pipe group 21 and the second pipe group 22 are symmetrically arranged relative to the lifting part, so that the first pipe 11 and the second pipe 12 can be symmetrically arranged relative to the lifting part. Because the first pipe fitting 11 and the second pipe fitting 12 are both used for connecting the target part 3, the lifting device can uniformly apply force to the target part 3 through the lifting tool, and the process that the lifting device lifts the target part 3 through the lifting tool has better balance.

Specifically, here, the connection mode of the first pipe 11 and the first pipe group 21 may be detachable connection, or may also be fixed connection, such as bolt connection, socket connection, clamping connection, welding, or integral forming. Similarly, the second pipe 12 and the second pipe set 22 can be detachably connected, or can be fixedly connected, such as bolted connection, welded connection, or integrally formed connection.

The first pipe set 21 and the fixing member 4 may be detachably connected, or may be fixedly connected, such as bolted connection, socket joint, clamping, welding, or integrally formed. Similarly, the second pipe set 22 and the fixing member 4 may be detachably connected, or may be fixedly connected, such as bolted connection, socket connection, clamping connection, welding connection, or integrally formed.

When the first pipe group 21 and the second pipe group 22 are connected with the fixing member 4 in a sleeving manner, the connecting pipe group 2 and the fixing member 4 can be mounted and dismounted more conveniently, and the working efficiency is improved. It should be added that the first tube member 11 and the second tube member 12 have the same shape and size, and the first tube group 21 and the second tube group 22 have the same shape and size.

In the embodiment of the present invention, the first pipe set 21 includes a first connection pipe 211 and a second connection pipe 212, the first connection pipe 211 is used for connecting the first pipe 11, the second connection pipe 212 is used for connecting the first end of the fixing member 4, and the first connection pipe 211 is vertically connected to the middle of the second connection pipe 212; and/or the second pipe group 22 comprises a third connecting pipe 221 and a fourth connecting pipe 222, the third connecting pipe 221 is connected with the second pipe 12, the fourth connecting pipe 222 is connected with the second end of the fixing element 4, and the third connecting pipe 221 is vertically connected with the middle of the fourth connecting pipe 222.

In order to facilitate the installation and the disassembly of the connection pipe set 2, the connection pipe 1 and the fixing member 4, and make the lifting structure of the lifting tool more stable, the first pipe set 21 includes a first connection pipe 211 and a second connection pipe 212, the first connection pipe 211 is vertically connected to the middle of the second connection pipe 212, so that the first pipe set 21 is T-shaped, the first connection pipe 211 is connected to the first pipe 11, where the first connection pipe can be connected by a bolt, and the second connection pipe 212 can be connected to the fixing member 4, it should be noted that, when the second connection pipe 212 is connected to the fixing member 4, the second connection pipe 212 and the fixing member 4 are parallel to each other, so that the contact area between the second connection pipe 212 and the fixing member 4 is increased, the installation stability is better, and because the first connection pipe 211 is vertically arranged at the middle of the second connection pipe 212, so that the structures among the fixing member 4.

Similarly, the second pipe group 22 includes a third connection pipe 221 and a fourth connection pipe 222, the third connection pipe 221 is vertically connected to the middle of the fourth connection pipe 222, so that the second pipe group 22 is T-shaped, the third connection pipe 221 is connected to the second pipe 12, where it can be connected by a bolt, the fourth connection pipe 222 can be connected to the fixing member 4, it should be noted that, when the fourth connection pipe 222 is connected to the fixing member 4, both are parallel to each other, so that the contact area between the fourth connection pipe 222 and the fixing member 4 is increased, the installation stability is better, and because the third connection pipe 221 is vertically arranged at the middle of the fourth connection pipe 222, so that the fixing member 4, the structure between the second pipe group 22 and the second pipe 12 is more stable.

The embodiment of the present invention provides a fixing member 4 is a cross arm pipe, the first end of the cross arm pipe slides and is disposed in the lumen of the second connecting pipe 212, the second end of the cross arm pipe slides and is disposed in the lumen of the fourth connecting pipe 222, and the middle of the cross arm pipe is provided with a positioning portion 41 for the connection of the hoisting device.

In order to further make things convenient for the installation between mounting 4 and the connecting pipe group 2, because the structure that T shape structure cooperation symmetry set up, can make mounting 4 and the cup joint of connecting pipe group 2 enough stable, the embodiment of the utility model provides an when carrying out mounting 4 and connecting pipe group 2's installation, adopt the mode of cup jointing, make the first end of cross arm pipe slide and wear to establish in the lumen of second connecting pipe 212, the second end of cross arm pipe slides and wears to establish in the lumen of fourth connecting pipe 222, and cross arm pipe, do not use bolt fastening between second connecting pipe 212 and the fourth connecting pipe 222, so, can improve the convenience in the installation, and because stable structure, under the condition that does not use bolt fastening, the utility model discloses the lifting means that provides still can stably and promote target 3 safely.

In addition, the outer surface of the cross arm pipe, the inner surface of the second connection pipe 212 and the inner surface of the fourth connection pipe 222 may be rough, so that a large friction force can be generated, and the stability of the tool is further improved, and the positioning portion 41 may be a mounting hole mounted in the middle of the cross arm pipe, and the mounting hole may be used for connection of a lifting device, or may be a hook, a snap device, or the like.

In the embodiment of the present invention, the length of the first connection pipe 211 is greater than the length of the second connection pipe 212, the length of the third connection pipe 221 is greater than the length of the fourth connection pipe 222, and the length of the first connection pipe 211 and the length of the third connection pipe 221 are equal.

It should be noted that, in the embodiment of the present invention, the present invention does not limit the specific lengths of the first connecting tube 211, the second connecting tube 212, the third connecting tube 221, and the fourth connecting tube 222, in a preferred embodiment, the length of the first connecting tube 211 is greater than the length of the second connecting tube 212, the length of the third connecting tube 221 is greater than the length of the fourth connecting tube 222, and the length of the first connecting tube 211 is equal to the length of the third connecting tube 221; it should be noted that the lengths of the second connection pipes 212 according to the embodiment of the present invention may be the same or different, and preferably, the lengths of the second connection pipe 212 and the fourth connection pipe 222 are the same. The second connection pipe 212 and the fourth connection pipe 222 are pipes transversely sleeved on the fixing member 4, and are not too long, so that the device can be conveniently detached and installed.

Because the first pipe fitting 11 and the first connecting pipe 211 are connected in a sleeved mode, and the first connecting pipe 211 is fixed by the bolts to have a long length, the parallelism of the axis between the first pipe fitting 11 and the first connecting pipe 211 is better, the deviation is not easy to generate, and preferably, the length of the first connecting pipe 211 is greater than half of the length of the first pipe fitting 11. Similarly, because the second pipe fitting 12 and the second connecting pipe 212 are connected in a sleeved manner and the second connecting pipe 212 is fixed by using the bolt, the second connecting pipe 212 has a longer length, so that the parallelism of the axes between the second pipe fitting 12 and the second connecting pipe 212 is better, the deviation is not easy to generate, and preferably, the length of the second connecting pipe 212 is greater than half of the length of the second pipe fitting 12.

In the embodiment of the present invention, the first pipe 11 includes a first connection portion 111 and a first thread portion 112, the first connection portion 111 and the first thread portion 112 are fixed, the first connection portion 111 is connected to the first pipe group 21, and the first thread portion 112 is used for connecting the target member 3; and/or, the second pipe member 12 includes a second connection portion 121 and a second thread portion 122, the second connection portion 121 and the second thread portion 122 are fixed, the second connection portion 121 is connected with the second pipe group 22, and the second thread portion 122 is used for connecting the target member 3.

The first pipe 11 includes a first connection portion 111 and a first thread portion 112, wherein the first connection portion 111 is a pipe, which is sleeved with the first connection pipe 211, preferably, an inner diameter of the first connection portion 111 is greater than or equal to an outer diameter of the first connection pipe 211, so that the sleeving process is simpler.

Similarly, the second pipe 12 includes a second connection portion 121 and a second thread portion 122, wherein the second connection portion 121 is a pipe fitting, and is sleeved with the second connection pipe 212, preferably, the inner diameter of the second connection portion 121 is greater than or equal to the outer diameter of the second connection pipe 212, so that the sleeving process is simpler.

The first thread part 112 is used for connecting the target part 3, the target part 3 is a condensate pump, the first thread part 112 is a fixing bolt body, the first thread part can be just matched with a connecting flange of the condensate pump, the first thread part is arranged on a flange hole of the connecting flange in a penetrating mode, and the first thread part 112 is connected with the condensate pump through a nut fixing bolt.

Similarly, the second thread part 122 is used for connecting the target part 3, the target part 3 is the condensate pump, the second thread part 122 is a fixing bolt body, and the second thread part can be just matched on the connecting flange of the condensate pump, is arranged on the flange hole of the connecting flange in a penetrating mode, and is connected with the second pipe fitting 12 and the condensate pump through the nut fixing bolt. It should be added that the installation positions of the first thread part 112 and the second thread part 122 on the connecting flange are symmetrically arranged relative to the center of the flange, so as to improve the balance.

In the embodiment of the present invention, the first pipe set 21 is inserted into the first connection portion 111, and the first pipe set 21 and the first connection portion 111 are fixed by a bolt; and/or the second tube group 22 is arranged on the second connecting part 121 in a penetrating way, and the second tube group 22 is connected with the second connecting part 121 through a bolt.

After first connecting portion 111 cup joints with first connecting pipe 211, still through the bolt fastening between first connecting portion 111 and the first connecting pipe 211, the bolt transversely wears to establish on two pipe fittings, accomplishes the fixed to two pipe fittings, all sets up the connecting hole that supplies the bolt to wear to establish on first connecting portion 111 and the first connecting pipe 211 promptly, realizes the fixed of bolt through nut and bolted connection.

In a similar way, after the second connecting portion 121 and the second connecting pipe 212 are sleeved, the second connecting portion 121 and the second connecting pipe 212 are fixed by bolts, the bolts transversely penetrate through the two pipe fittings, the fixing of the two pipe fittings is completed, namely, the connecting holes for the bolts to penetrate through are formed in the second connecting portion 121 and the second connecting pipe 212, and the bolts are fixed by nuts and bolts.

In the embodiment of the present invention, the first connection portion 111 includes a first pipe 1111 for the first pipe set 21 to pass through and a first positioning surface 1112 for the first thread portion 112 to connect, the first positioning surface 1112 is fixedly disposed at an end of the first pipe 1111, and the first thread portion 112 is connected to a center position of the first positioning surface 1112; and/or the second connecting portion 121 includes a second sleeve 1211 for the second tube group 22 to pass through and a second positioning surface 1212 for the second threaded portion 122 to connect, the second positioning surface 1212 is fixedly disposed at an end of the second sleeve 1211, and the second threaded portion 122 is connected to a center of the second positioning surface 1212.

Specifically, the first connection portion 111 includes a first sleeve 1111 and a first positioning surface 1112, and the first positioning surface 1112 is fixedly arranged at an end portion of the first sleeve 1111, so that the first connection portion 111 forms a pipe with an open end and a closed end, and is fixed on the first positioning surface 1112 by a bolt, so that the connection between the first connection portion 111 and the first thread portion 112 can be realized. Similarly, the second connecting portion 121 includes a second sleeve 1211 and a second positioning surface 1212, the second positioning surface 1212 is fixedly disposed at an end of the second sleeve 1211, so that the second connecting portion 121 forms a pipe with an open end and a closed end, and the bolt is fixed on the second positioning surface 1212, thereby connecting the second connecting portion 121 and the second threaded portion 122.

In the embodiment of the present invention, the lengths of the first connection portion 111 and the second connection portion 121 are equal.

Further, in order to make the lifting tool have better balance, the lengths of the first connecting portion 111 and the second connecting portion 121 are equal, so that the lifting device can apply balanced lifting force to the condensate pump.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A lifting tool is characterized by comprising a connecting pipe fitting (1) and a connecting pipe group (2), wherein a first end of the connecting pipe fitting (1) is used for connecting a target part (3), and a second end of the connecting pipe fitting (1) is fixed at a first end of the connecting pipe group (2); the second end of connecting pipe group (2) is connected with mounting (4), mounting (4) are used for supplying hoisting equipment to connect.

2. Tool according to claim 1, characterized in that the connecting tube member (1) comprises a first tube member (11) and a second tube member (12), that the connecting tube member (2) comprises a first tube member (21) and a second tube member (22), that the first tube member (11) is connected to the first tube member (21), that the second tube member (12) is connected to the second tube member (22), that the first tube member (21) is connected to one end of the fixing member (4), that the second tube member (22) is connected to the second end of the fixing member (4), that the middle part of the fixing member (4) is provided with a lifting portion for fixing a lifting device, and that the first tube member (21) and the second tube member (22) are symmetrically arranged with respect to the lifting portion.

3. The tool according to claim 2, wherein the first tube set (21) comprises a first connection tube (211) and a second connection tube (212), the first connection tube (211) is connected with the first tube member (11), the second connection tube (212) is connected with the first end of the fixing member (4), and the first connection tube (211) is vertically connected with the middle of the second connection tube (212);

and/or the second pipe group (22) comprises a third connecting pipe (221) and a fourth connecting pipe (222), the third connecting pipe (221) is connected with the second pipe (12), the fourth connecting pipe (222) is connected with the second end of the fixing piece (4), and the third connecting pipe (221) is vertically connected to the middle of the fourth connecting pipe (222).

4. The tool according to claim 3, characterized in that the length of the first connection tube (211) is greater than the length of the second connection tube (212), the length of the third connection tube (221) is greater than the length of the fourth connection tube (222), and the length of the first connection tube (211) and the length of the third connection tube (221) are equal.

5. The tool according to claim 3, characterized in that the fixing element (4) is a cross arm tube, a first end of which is slidably arranged in the lumen of the second connecting tube (212), a second end of which is slidably arranged in the lumen of the fourth connecting tube (222), and a positioning part (41) for connection of a lifting device is arranged in the middle of the cross arm tube.

6. The tool according to claim 2, characterized in that the first tube (11) comprises a first connection portion (111) and a first threaded portion (112), the first connection portion (111) and the first threaded portion (112) being fixed, the first connection portion (111) being connected with the first tube set (21), the first threaded portion (112) being for connection with the target part (3);

and/or the second pipe fitting (12) comprises a second connecting part (121) and a second threaded part (122), the second connecting part (121) and the second threaded part (122) are fixed, the second connecting part (121) is connected with the second pipe group (22), and the second threaded part (122) is used for connecting the target part (3).

7. The tool according to claim 6, characterized in that the first tube group (21) is arranged on the first connecting part (111) in a penetrating way, and the first tube group (21) and the first connecting part (111) are fixed through bolts;

and/or the second pipe group (22) is arranged on the second connecting part (121) in a penetrating mode, and the second pipe group (22) is connected with the second connecting part (121) through bolts.

8. The tool according to claim 6, characterized in that the first connection portion (111) comprises a first sleeve (1111) for a first pipe set (21) to pass through and a first positioning surface (1112) for a first screw portion (112) to connect, the first positioning surface (1112) is fixedly arranged at an end of the first sleeve (1111), the first screw portion (112) is connected to a central position of the first positioning surface (1112);

and/or the second connecting part (121) comprises a second sleeve (1211) for the second tube group (22) to penetrate through and a second positioning surface (1212) for the second thread part (122) to connect, the second positioning surface (1212) is fixedly arranged at the end part of the second sleeve (1211), and the second thread part (122) is connected to the center of the second positioning surface (1212).

9. Tool according to claim 6, characterized in that the first connection (111) and the second connection (121) are equal in length.

10. Tool according to claim 1, characterized in that the connecting tube (1) is a metal tube and the connecting tube set (2) is a metal tube set.

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