Flexible hanging tool and cantilever crane hanging equipment

Abstract

The utility model relates to a hanging tool, in particular to a flexible hanging tool which comprises a hanging arm (1), an adjusting plate (2) and a connecting piece (4), the adjusting plate (2) and the connecting piece (4) are connected with the hanging arm (1), a hanging structure (5) used for hanging is formed on the hanging arm (1), and an adjustable mounting hole (6) is formed in the adjusting plate (2). The connecting pieces (4) penetrate through the adjustable mounting hole (6) to connect the adjusting plate (2) and a material to be hung, and at least two connecting pieces (4) are arranged in the adjustable mounting hole (6), so that the distance between the two connecting pieces (4) is adjustable. In addition, the utility model further relates to a cantilever crane hanging device. The flexible hanging tool disclosed by the utility model can assist in hanging materials, and has stronger universality.

Description

Technical Field

[0001] The utility model relates to a hanging tool, in particular to a flexible hanging tool and further to an arm hanging device. Background Art

[0002] A boom-type aerial work vehicle is a self-propelled special equipment with a telescopic boom structure designed to meet the needs of aerial work. The conveyor lines of boom-type aerial work vehicles mainly include floor chain type and suspension chain type. The floor chain requires excavation of foundation pits, resulting in a large initial investment, and most of the floor chain is buried underground, making later maintenance more difficult, while the suspension chain does not require excavation of foundation pits, and the overall structure is set on the surface, which is more convenient to build and maintain. In addition, the floor chain uses a distributed coating method of spraying paint and drying, and the production efficiency is low, while the suspension chain can be coated by electrophoresis, which is conducive to realizing automated continuous production and improving production efficiency. Therefore, the production line of the boom of the boom-type aerial work vehicle often uses a suspension conveyor chain instead of a floor chain for the conveying and spraying of the boom.

[0003] However, the floor chain can directly place the boom on the tooling frame and move forward with the floor chain, and has high versatility, while the suspension chain needs to lift the boom through a hanging tooling. Due to the special structure and assembly problems of the boom, it is impossible to specially open a hanging hole on the boom. Therefore, the prior art needs to design a special hanging tooling according to the shape of the boom. Since there are many models of boom-type aerial work vehicles, and the boom sizes of different models of boom-type aerial work vehicles are different, it is necessary to design and produce corresponding hanging tooling before producing a new model of boom-type aerial work vehicle, which extends the preparation time before production. As the number of hanging tooling types increases, the difficulty of production management is greatly increased. In addition, the prior art also suspends by directly using chains to tie the boom or by using chains and hooks to tie the boom. However, the chains and hooks of these two methods will cause certain obstructions to the outer surface of the boom, resulting in incomplete shot blasting and poor painting, affecting product quality, and a large amount of later repairs.

[0004] In view of this, it is necessary to design a flexible hanging tooling that can overcome the above technical difficulties and effectively solve or alleviate the above technical defects. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a flexible hanging tool, which can assist in hanging materials and has strong versatility.

[0006] Furthermore, the technical problem to be solved by the utility model is to provide a boom hanging device, which can hang the boom and has strong versatility.

[0007] In order to solve the above technical problems, the utility model provides a flexible hanging tool, which includes a hanging arm, an adjustment plate connected to the hanging arm and a connecting piece, the hanging arm is formed with a hanging structure for hanging, the adjustment plate is formed with an adjustable mounting hole, the connecting piece passes through the adjustable mounting hole to connect the adjustment plate and the material to be hung, and at least two of the connecting pieces are arranged in the adjustable mounting hole so that the distance between the two connecting pieces can be adjusted.

[0008] Specifically, the adjustable mounting hole includes two waist-shaped holes, each of the waist-shaped holes is correspondingly provided with a connecting piece, and the connecting piece includes a bolt and a nut.

[0009] Specifically, the two waist-shaped holes are symmetrically arranged on the adjustment plate, and the length directions of the two waist-shaped holes are consistent.

[0010] Preferably, it further comprises a connecting arm, wherein the connecting arm is connected with the suspension arm to form an L-shaped structure, and the adjusting plate is connected to an end of the connecting arm away from the suspension arm.

[0011] Preferably, the connecting arm comprises a Y-shaped connecting piece, one end of the Y-shaped connecting piece is connected to the suspension arm, and a pair of connecting parts both connected to the adjustment plate are formed at the bifurcated end of the Y-shaped connecting piece.

[0012] Preferably, the suspension arm, the adjustment plate and the connecting arm are an integrated structure.

[0013] Preferably, it also includes an adapter plate, on which the first adapter mounting hole and the second adapter mounting hole are formed, the first adapter mounting hole is arranged corresponding to the adjustable mounting hole to connect the adjustment plate and the adapter plate, and the second adapter mounting hole is arranged corresponding to the mounting hole of the material to be hung to connect the adapter plate and the material to be hung.

[0014] Specifically, the lifting structure includes a lifting hole and / or a lifting hook.

[0015] Preferably, a plurality of the lifting holes and / or the lifting hooks are provided on the lifting arm.

[0016] On the basis of the above-mentioned technical solution of flexible hanging tooling, the utility model provides a boom hanging device, which includes the flexible hanging tooling described in any of the above-mentioned technical solutions.

[0017] Through the above technical scheme, the flexible hanging tool of the utility model forms an adjustable mounting hole on the adjusting plate, and a connecting piece is arranged in the adjustable mounting hole to connect the adjusting plate and the material to be hung through the connecting piece. At least two connecting pieces are provided to make the connection between the adjusting plate and the arm relatively stable, and the relative position of the connecting piece in the adjustable mounting hole can be adjusted, so that the distance between the connecting pieces in the adjustable mounting hole can be adaptively adjusted according to the distance between the mounting holes on the arm. Therefore, the flexible hanging tool can adapt to different types of arms and has strong versatility. Furthermore, the flexible hanging tool can be installed on the original mounting hole of the arm to be hung without the need to specially open a hole for it, thereby avoiding affecting the structure of the material to be hung.

[0018] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a flexible hanging tooling according to a specific implementation mode of the utility model;

[0020] Figure 2 It is a schematic diagram of the installation of the flexible hanging tooling according to the specific implementation mode of the utility model;

[0021] Figure 3 It is a schematic diagram of a flexible hanging tool installation adapter plate according to a specific implementation mode of the utility model.

[0022] Description of Reference Numerals

[0023] 1 boom 2 adjustment plate

[0024] 3 connecting arms 4 connecting pieces

[0025] 5Lifting structure 6Adjustable mounting holes

[0026] 7 connection part 8 arm

[0027] 9 Slider mounting hole 10 Hook

[0028] 11 adapter plate 12 first adapter mounting hole

[0029] 13 support portion 14 second adapter mounting hole DETAILED DESCRIPTION

[0030] The following is a further detailed description of the implementation of the utility model in conjunction with the accompanying drawings and examples. The detailed description of the following examples and the accompanying drawings are used to exemplarily illustrate the principles of the utility model, but cannot be used to limit the scope of the utility model. The utility model can be implemented in many different forms, not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0031] The utility model provides these embodiments to make the utility model thorough and complete, and to fully express the scope of the utility model to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​described in these embodiments should be interpreted as merely exemplary, rather than as limiting.

[0032] It should be noted that, in the description of the present invention, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "left", "right", "inside", "outside", etc., indicating the orientation or positional relationship, are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0033] In addition, the words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in a strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0034] It should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0035] All terms used in the present invention have the same meanings as those understood by ordinary technicians in the field to which the present invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0036] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0037] like Figure 1 As shown, as a specific embodiment of the flexible hanging tool of the utility model, it includes a hanging arm 1, an adjusting plate 2 and a connecting piece 4 connected to the hanging arm 1, the hanging arm 1 is formed with a hanging structure 5 for hanging, the adjusting plate 2 is formed with an adjustable mounting hole 6, the connecting piece 4 passes through the adjustable mounting hole 6 and the corresponding mounting hole on the material to be hung to connect the adjusting plate 2 and the material to be hung, so as to realize the connection between the flexible hanging tool and the material to be hung, at least two connecting pieces 4 are arranged in the adjustable mounting hole 6 to prevent the flexible hanging tool from rotating relative to the material to be hung, and the flexible hanging tool can adaptively adjust the connection according to the spacing of the mounting holes on the material to be hung. The relative position of the connecting member 4 in the adjustable mounting hole 6 changes the spacing between the two connecting members 4, so that the spacing between the connecting members 4 can match the spacing between the corresponding mounting holes on the material to be hung. The connecting member 4 can simultaneously pass through the adjustable mounting hole 6 and the mounting hole on the material to be hung to connect the flexible hanging tooling and the material to be hung together. The flexible hanging tooling has strong adaptability, reduces the types of tooling, and reduces the workload of tooling management. Moreover, due to its strong adaptability, the flexible hanging tooling can directly use the original mounting holes on the material to be hung without the need to specially open holes for them, which reduces the impact on the structure of the material to be hung itself and improves production efficiency. It should be noted that the material to be hung can be a boom, and there is a slider mounting hole on the boom. When the flexible hanging tooling of the utility model is used to hang the boom, the adjustable mounting hole 6 on the adjustment plate 2 can be matched with the slider mounting hole on the boom, so that the two connecting parts 4 pass through the adjustable mounting hole 6 and the slider mounting hole in turn to realize the fixation of the flexible hanging tooling of the utility model to the boom, and the hanging is carried out through the hanging structure 5, and the distance between the two connecting parts 4 is adjustable to adapt to the hole distance between the slider mounting holes of different models of booms. It has strong versatility and reduces the tooling development cost.

[0038] As a specific implementation method, Figure 1 As shown, the adjustable mounting hole 6 includes two waist-shaped holes, each of which is correspondingly provided with a connecting member 4, and the connecting member 4 includes a bolt and a nut. During installation, the bolt is moved along the waist-shaped hole so that the bolt can pass through the waist-shaped hole and the corresponding mounting hole on the material to be hung at the same time, and the nut is tightened so that the adjustment plate 2 and the material to be hung are pressed together, wherein the size of the waist-shaped hole and the distance between the two waist-shaped holes need to be determined according to the spacing range of the mounting holes of all the materials to be hung that are expected to be adapted, so that the flexible hanging tooling can adapt to the overall production needs.

[0039] As a specific implementation method, Figure 1As shown, two waist-shaped holes are symmetrically arranged on the adjustment plate 2 along its length direction, and the length directions of the two waist-shaped holes are consistent with the adjustment plate 2. Each of the two waist-shaped holes is provided with a connecting piece 4, and the two connecting pieces 4 can move along the length direction of the waist-shaped holes, so as to adjust the spacing of the two connecting pieces 4 according to the spacing of the corresponding mounting holes on the material to be hung.

[0040] As a preferred connection method, Figure 1 and Figure 2 As shown, it also includes a connecting arm 3, which is connected to the suspension arm 1 to form an L-shaped structure. The adjusting plate 2 is connected to the end of the connecting arm 3 away from the suspension arm 1. The size of the adjusting plate 2 is set to be suitable for extending into the interior of the material to be suspended. The length of the adjusting plate 2 needs to be determined according to the inner width of the material to be suspended, so that the adjusting plate 2 can extend into the inner side of the material to be suspended. The upper surface of the adjusting plate 2 matches the inner surface of the material to be suspended, so that the adjusting plate 2 can be easily and conveniently extended into the interior of the material to be suspended through the L-shaped structure formed by the connecting arm 3 and the suspension arm 1, and the adjusting plate 2 and the material to be suspended are connected through the connecting piece 4. The inner surface is tightly attached to complete the connection between the flexible hanging tooling and the material to be hung. Since the flexible hanging tooling only contacts the non-appearance surface on the inner side of the material to be hung, and the contact area is small, when the material to be hung is subjected to surface processing such as shot blasting or spraying while being suspended, the flexible hanging tooling has little impact on the processing, the amount of later repairs is small, and the impact on the appearance can be ignored. The upper surface of the adjustment plate 2 is set to cooperate with the inner surface of the material to be hung, thereby increasing the contact area between the adjustment plate 2 and the material to be hung, so as to ensure the stability of the connection between the adjustment plate 2 and the material to be hung.

[0041] As a preferred embodiment, Figure 1 As shown, the connecting arm 3 includes a Y-shaped connecting piece, one end of the Y-shaped connecting piece is connected to the suspension arm 1, and a pair of connecting parts 7 are formed at the forked end of the Y-shaped connecting piece, both of which are connected to the adjusting plate 2. The forked pair of connecting parts 7 makes the two connecting parts between the adjusting plate 2 and the connecting arm 3 be a certain distance apart, disperse the force, avoid the force being concentrated in the middle part during hanging, enhance the structural strength of the flexible hanging tooling, and improve the reliability of the flexible hanging tooling. Among them, the pair of connecting parts 7 can be made to form a certain angle to avoid the use of a Y-shaped connecting arm with a smaller predetermined angle for larger and wider materials to be hung, causing the flexible hanging tooling to break. The angle is set according to the size of the material to be hung. In some embodiments, the width of the adjusting plate 2 is 190-210mm, and a pair of symmetrical adjustable mounting holes 6 are formed on the adjusting plate 2. The center distance between the pair of adjustable mounting holes 6 is between 145-180mm, and the opening angle of the Y-shaped connecting arm is set between 35°-45° to disperse the pressure through the two connecting parts 7.

[0042] As a preferred embodiment, the boom 1, the adjustment plate 2 and the connecting arm 3 are an integrated structure to further enhance the structural strength of the flexible hanging tooling and enhance the reliability of the flexible hanging tooling.

[0043] As a preferred implementation mode, Figure 3 As shown, the flexible hanging tool also includes an adapter plate 11, on which a first adapter mounting hole 12 and a second adapter mounting hole 14 are formed. The first adapter mounting hole 12 is arranged corresponding to the adjustable mounting hole 6. The connecting member 4 passes through the adjustable mounting hole 6 on the adjusting plate 2 and the first adapter mounting hole 12 on the adapter plate 11 to connect the adjusting plate 2 and the adapter plate 11. The second adapter mounting hole 14 corresponds to the mounting hole of the material to be hung. The connecting member 4 passes through the second mounting hole 14 on the adapter plate 11 and the corresponding mounting hole on the material to be hung. The adapter plate 11 is provided with a mounting hole to connect the adapter plate 11 and the material to be hung. In some embodiments, the structure or hole position of the subsequent product changes, resulting in that the adjustable mounting hole 6 on the original adjustment plate 2 cannot be adapted. The adapter plate 11 can be installed on the adjustment plate 2. The shape of the adapter plate 11 is set to adapt to the structure of the subsequent product. The second adapter mounting hole 14 on the adapter plate 11 is set to adapt to the hole position of the subsequent product. Therefore, the flexible hanging tool of the utility model only needs to replace the adapter plate 11 to expand the adaptation range, reducing the production and development costs. As a preferred embodiment, the adapter plate 11 is also formed with a support portion 13, and the support portion 13 and the connecting portion 7 stop each other to reduce the pressure of the connecting member 4 connecting the adapter plate 11 and the adjustment plate 2 to prevent the adapter plate 11 from shaking.

[0044] As a specific implementation method, Figure 2 As shown, the hanging structure 5 includes a hanging hole and / or a hanging hook, and a hook 10 can be arranged to pass through the hanging hole or the hanging hook, and the material to be hung and the flexible hanging tooling can be hung by a chain connected to the hook 10.

[0045] As a preferred embodiment, Figure 1 As shown, a plurality of lifting holes and / or hooks are provided on the lifting arm 1, and the hook 10 can be passed through different lifting holes 5 or hooks according to actual conditions to change the lifting height of the material to be hung.

[0046] On the basis of the flexible hanging tooling of the above technical solution of the utility model, the utility model further provides a boom hanging device, which includes the above flexible hanging tooling of the present application.

[0047] The utility model provides a preferred arm flexible hanging tooling, such as Figure 1As shown, the flexible hanging tooling includes a boom 1, an adjusting plate 2, a connecting piece 4 and a connecting arm 3 for connecting the boom 1 and the adjusting plate 2. Two hanging holes 5 are formed along the length direction of the boom 1. Two waist-shaped holes are symmetrically formed on the adjusting plate 2 along its length direction. The length direction of the waist-shaped holes is the same as the length direction of the adjusting plate 2. The connecting arm 3 is a Y-shaped connecting arm. One end of the Y-shaped connecting arm is connected to the boom 1 so that the connecting arm 3 and the boom 1 form an L-shaped structure. A pair of connecting parts 7 are formed at the bifurcated end of the Y-shaped connecting arm. The pair of connecting parts 7 are respectively connected to the adjusting plate 2. The L-shaped structure facilitates the extension of the adjusting plate 2 into the arm frame 8. The upper surface of the adjusting plate 2 contacts the inner surface of the arm frame 8. The upper surface of the plate 2 is a plane to ensure that there is a large contact area between the adjustment plate 2 and the arm 8. The connector 4 includes a nut and a bolt. By adjusting the position of the adjustment plate 2 and the bolt, the bolt passes through the waist-shaped hole and the slider mounting hole 9 on the arm 8 at the same time. The nut is tightened to complete the connection between the arm 8 and the arm flexible hanging fixture. The hook 10 can be passed through the hanging hole 5. There are two hanging holes 5 in the preferred embodiment, which can be adjusted according to actual needs to change the lifting height of the arm 8. The chain connected to the hook 10 is pulled to lift one end of the arm 8, and the other end can also be lifted by the flexible hanging fixture of the preferred embodiment in conjunction with the hook 10 and the chain, so as to lift the entire arm 8. Since the flexible hanging fixture only contacts the inner non-appearance surface of the arm 8, and the contact area between the flexible hanging fixture and the arm 8 is small, the flexible hanging fixture has little effect on subsequent shot blasting, spraying and other steps, so that the flexible hanging fixture has little effect on the appearance of the product. Furthermore, since the bolts can slide along the waist-shaped holes before being tightened, the distance between the bolts can be adaptively adjusted according to the distance between the slider mounting holes 9 on the arm 8, so that the flexible hanging tool can be adaptively adjusted according to the spacing of the slider mounting holes 9 of different models of arm 8, thereby increasing the adaptability of the flexible hanging tool, avoiding the waste of resources caused by the production of special hanging tooling, and reducing the difficulty of production management. Furthermore, the flexible hanging tool can be directly installed using the original slider mounting holes 9 of the arm 8 without the need for additional drilling, and has little impact on the structure and assembly of the arm 8. The width of the adjustment plate 2 of this embodiment is 200mm, the distance between a pair of waist-shaped holes on the adjustment plate is 160mm, and the angle between a pair of connecting parts 7 of the Y-shaped connecting arm is 40°, so that the force during hanging is dispersed to two places, avoiding stress concentration and causing the arm flexible hanging tooling to break, thereby improving reliability.In addition, the arm support flexible hanging tooling has strong expansibility. In the subsequent production process, if the structure or hole position of the new model arm support 8 changes and the adjustment plate 2 cannot be adapted, an adapter plate 11 can be installed. The adapter plate 11 is formed with a first adapter mounting hole 12 and a second adapter mounting hole 14. The first adapter mounting hole 12 is set to correspond to the adjustable mounting hole 6, so that the screw can pass through the first adapter mounting hole 12 and the adjustable mounting hole 6 at the same time, and the adapter plate 11 and the adjustment plate 2 are connected with the nut. The adapter plate 11 is symmetrically formed. There is a pair of second adapter mounting holes 14, the spacing between the two second adapter mounting holes 14 is adapted to the hole spacing of the slider mounting hole 9 of the new model of arm 8 produced subsequently, and the shape of the adapter plate 11 is adapted to the structure of the new model of arm 8. The screw can pass through the second adapter mounting hole 14 and the slider mounting hole 9 on the arm 8 at the same time, and the arm 8 and the adapter plate 11 are connected together with the nut. Therefore, the arm flexible hanging tooling of this preferred embodiment only needs to produce the adapter plate 11, which can expand the scope of application and reduce the tooling development and production costs.

[0048] It can be seen from the above description that the advantages of the utility model are that, first, the flexible hanging tooling of the utility model can be adaptively adjusted according to the hole spacing on the material to be hung, and has strong adaptability, thereby reducing the production of special tooling, reducing production costs and management workload; second, the flexible hanging tooling of the utility model can directly utilize the original holes on the material to be hung for installation, without the need to open additional hanging holes, and has little impact on the structure and assembly of the material to be hung; third, the flexible hanging tooling of the utility model has strong expansibility, and only the production of adapter plates is required to expand the adaptation range, reducing the development and production costs of new tooling in the later stage; fourth, the flexible hanging tooling of the utility model only contacts the inner side of the material to be hung, and has little impact on the appearance processing; fifth, the Y-shaped connecting arm can disperse the force during hanging, thereby increasing the safety of the flexible hanging tooling.

[0049] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0050] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0051] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A flexible hanging tool, characterized in that: The invention comprises a suspension arm (1), an adjustment plate (2) connected to the suspension arm (1), and a connecting member (4); the suspension arm (1) is formed with a suspension structure (5) for suspension; the adjustment plate (2) is formed with an adjustable mounting hole (6); the connecting member (4) passes through the adjustable mounting hole (6) to connect the adjustment plate (2) and the material to be suspended; at least two connecting members (4) are arranged in the adjustable mounting hole (6) so that the distance between the two connecting members (4) is adjustable.

2. The flexible hanging tool according to claim 1, characterized in that: The adjustable mounting hole (6) comprises two waist-shaped holes, each of the waist-shaped holes is correspondingly provided with a connecting member (4), and the connecting member (4) comprises a bolt and a nut.

3. The flexible hanging tool according to claim 2, characterized in that: The two waist-shaped holes are symmetrically arranged on the adjustment plate (2), and the length directions of the two waist-shaped holes are consistent.

4. The flexible hanging tool according to claim 1, characterized in that: It also comprises a connecting arm (3), wherein the connecting arm (3) is connected to the suspension arm (1) to form an L-shaped structure, and the adjustment plate (2) is connected to an end of the connecting arm (3) away from the suspension arm (1).

5. The flexible hanging tool according to claim 4, characterized in that: The connecting arm (3) comprises a Y-shaped connecting piece, one end of which is connected to the suspension arm (1), and a pair of connecting parts (7) are formed at the bifurcated end of the Y-shaped connecting piece, both of which are connected to the adjustment plate (2).

6. The flexible hanging tool according to claim 4, characterized in that: The suspension arm (1), the adjustment plate (2) and the connecting arm (3) are an integrated structure.

7. The flexible hanging tool according to any one of claims 1 to 6, characterized in that: It also includes an adapter plate (11), on which a first adapter mounting hole (12) and a second adapter mounting hole (14) are formed, wherein the first adapter mounting hole (12) is arranged corresponding to the adjustable mounting hole (6) to connect the adjustment plate (2) and the adapter plate (11), and the second adapter mounting hole (14) is arranged corresponding to the mounting hole of the material to be hung to connect the adapter plate (11) and the material to be hung.

8. The flexible hanging tool according to claim 1, characterized in that: The lifting structure (5) comprises a lifting hole and / or a lifting hook.

9. The flexible hanging tool according to claim 8, characterized in that: The lifting arm (1) is provided with a plurality of lifting holes and / or lifting hooks.

10. A boom hanging device, characterized in that: The flexible hanging tool comprises any one of claims 1 to 9.

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