Auxiliary dismounting equipment for crane hoist

By designing auxiliary dismantling equipment for crane hoists, and utilizing mobile lifting devices and supporting protective fixtures, the safety hazards and low efficiency in crane hoist dismantling operations were solved, achieving an efficient and safe crane hoist dismantling process.

CN224030591UActive Publication Date: 2026-03-24ANHUI JIANGHUAI HUATING BATTERY SYST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The dismantling of crane hoists mainly relies on manual operation, which poses significant safety hazards and is inefficient.

Method used

A crane hoist auxiliary dismantling device was designed, including a mobile lifting device and a support and protective fixture. The mobile lifting device moves the protective box to the bottom of the crane hoist, and the support component abuts against the hoist body. The support and protective fixture is raised to support the hook component to fall into the bottom of the protective box, reducing swaying and ensuring the stability and safety of the dismantling process.

Benefits of technology

It improves the safety and efficiency of crane hoist disassembly, prevents crane hoist from slipping, ensures the stability of the disassembly and installation process, and enhances overall work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides auxiliary dismounting equipment for a crane hoist, and relates to the technical field of hoisting equipment. The crane hoist auxiliary dismounting equipment comprises a movable lifting device and a supporting protection tool, the supporting protection tool comprises a protection box and at least two supporting assemblies, the protection box is arranged on the movable lifting device, and the at least two supporting assemblies are arranged in the protection box at intervals; the movable lifting device is used for driving the protection box to move towards the crane hoist, so that the at least two supporting assemblies abut against the hoist body, and the lifting hook assembly falls into the bottom of the protection box. According to the auxiliary dismounting equipment for the crane hoist, the dismounting safety of the crane hoist can be improved, and the operation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, specifically, relate to a kind of crane pulley auxiliary dismounting equipment. BACKGROUND

[0002] In production and manufacturing process, the hoisting operation of large parts needs to be completed by professional hoisting equipment. Among them, the crane pulley as a key equipment, is in the state of high-altitude suspension operation for a long time. When the equipment fails and cannot be repaired in time, to ensure the normal operation of production line, maintenance personnel need to quickly complete the dismounting and replacement work of crane pulley.

[0003] At present, the dismounting operation of crane pulley mainly adopts manual operation mode, which needs multiple workers to hold the equipment in different directions at the same time, and then take it off from the slide rail of the travelling crane. However, due to the large weight of the crane pulley itself, this traditional dismounting method has significant safety hazards and low operation efficiency. SUMMARY

[0004] The utility model aims at providing a kind of crane pulley auxiliary dismounting equipment, which can improve the safety of crane pulley dismounting and improve the operation efficiency.

[0005] The embodiment of the utility model is realized as follows:

[0006] The embodiment of the utility model provides a kind of crane pulley auxiliary dismounting equipment for assisting in dismounting crane pulley, the crane pulley includes a pulley body and a lifting hook assembly arranged on the pulley body, and the crane pulley auxiliary dismounting equipment comprises:

[0007] A mobile lifting device; and

[0008] A support protection tool, which comprises a protection box and at least two support assemblies, the protection box is arranged on the mobile lifting device, and the at least two support assemblies are arranged in the protection box in a spaced manner.

[0009] The mobile lifting device is used to drive the protection box to move towards the crane pulley, so that the at least two support assemblies are in contact with the pulley body, and the lifting hook assembly falls into the bottom of the protection box.

[0010] In an optional embodiment, the protection box comprises a bottom plate, a first baffle, a second baffle, a third baffle and a fourth baffle connected to the bottom plate, the first baffle and the third baffle are arranged opposite to each other, the second baffle and the fourth baffle are arranged opposite to each other, the first baffle, the second baffle, the third baffle and the fourth baffle are sequentially connected end to end, and a protection space is formed between the first baffle, the second baffle, the third baffle, the fourth baffle and the bottom plate.

[0011] The bottom plate is arranged on the mobile lifting device, and the at least two support assemblies are arranged on the bottom plate and located in the protection space.

[0012] In an optional embodiment, the support assembly comprises a support plate arranged on the bottom plate and a pad plate arranged on the support plate away from the bottom plate, the pad plate is used to abut against the gourd body, and the support plate and the pad plate are both located in the protection space.

[0013] In an optional embodiment, the number of the support plates is multiple, and the multiple support plates are arranged on the bottom plate, and the pad plate is connected with the multiple support plates.

[0014] In an optional embodiment, the two ends of the pad plate are connected with the first baffle and the third baffle respectively, or the two ends of the pad plate are connected with the second baffle and the fourth baffle respectively.

[0015] In an optional embodiment, the number of the support assemblies is two, the pad plate of one of the support assemblies is connected with the first baffle, the second baffle and the fourth baffle, and the pad plate of the other support assembly is connected with the second baffle, the third baffle and the fourth baffle.

[0016] In an optional embodiment, the first baffle is provided with a first gap; and / or,

[0017] the second baffle is provided with a second gap; and / or,

[0018] the third baffle is provided with a third gap; and / or,

[0019] the fourth baffle is provided with a fourth gap.

[0020] In an optional embodiment, the crane gourd auxiliary dismounting device further comprises a first buffer pad arranged on the support assembly; and / or,

[0021] the crane gourd auxiliary dismounting device further comprises a second buffer pad arranged at the bottom of the protection box.

[0022] In an optional embodiment, the mobile lifting device comprises a mobile platform and a lifting mechanism, the lifting mechanism is arranged on the mobile platform, and the protection box is arranged at the end of the lifting mechanism away from the mobile platform.

[0023] In an optional embodiment, the mobile platform is a trolley.

[0024] The beneficial effects of the embodiments of the utility model include:

[0025] The auxiliary dismantling equipment for crane hoists includes a mobile lifting device and a support and protective fixture. The support and protective fixture includes a protective box and at least two support components. The protective box is located within the mobile lifting device, and the at least two support components are spaced apart inside the protective box. The mobile lifting device is used to drive the protective box to move toward the crane hoist so that at least two support components abut against the hoist body and the hook assembly falls into the bottom of the protective box.

[0026] When assisting in the disassembly of a crane hoist, the equipment is moved to the bottom of the hoist using a lifting device. Then, the protective support is raised, bringing the support components into contact with the hoist body for support. At this point, the hook assembly can easily pass between at least two support components and fall into the bottom of the protective box, reducing swaying during disassembly. Next, maintenance personnel remove the pins between the crane's guide rail and the hoist body. After removing the faulty crane hoist, a new one can be installed. In short, the entire disassembly and replacement process, protected by the protective box, prevents the crane hoist from slipping, while the support components ensure stability during disassembly and installation, thus improving the safety of crane hoist disassembly and increasing work efficiency. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the crane hoist auxiliary dismantling device provided in an embodiment of the present utility model;

[0029] Figure 2 A schematic diagram illustrating the disassembly of a crane hoist using an auxiliary disassembly device provided in an embodiment of this utility model;

[0030] Figure 3 A schematic diagram of the structure of the support and protective fixture provided in the embodiment of this utility model;

[0031] Figure 4 An exploded view of the support and protective fixture provided in an embodiment of this utility model.

[0032] Icon: 100 - crane sling auxiliary disassembly equipment; 10 - mobile lifting device; 11 - mobile platform; 12 - lifting mechanism; 20 - support protection tool; 21 - protection box; 211 - first baffle; 212 - second baffle; 2121 - second gap; 2122 - first mounting hole; 213 - third baffle; 214 - fourth baffle; 2141 - fourth gap; 2142 - second mounting hole; 215 - bottom plate; 216 - protection space; 22 - support assembly; 221 - support plate; 222 - backing plate; 200 - crane sling; 201 - sling body; 202 - hook assembly; 300 - row crane. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0035] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0036] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0038] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0039] As described in the background, the current crane bucket dismounting operation mainly adopts manual operation mode, and multiple operators need to hold the equipment in different directions at the same time and take it off from the slide rail of the travelling crane. However, due to the large weight of the crane bucket itself, this traditional dismounting method has significant safety hazards, and the operation efficiency is low.

[0040] Based on this, please refer to Figures 1-4 The embodiment of the utility model provides a kind of crane bucket auxiliary dismounting equipment 100, which can effectively improve the technical problems mentioned above, that is, it can improve the safety of crane bucket 200 dismounting, and improve operation efficiency. The crane bucket auxiliary dismounting equipment 100 will be described in detail as follows.

[0041] Please refer to Figure 1 And Figure 2 , Figure 1 The structure diagram of the crane bucket auxiliary dismounting equipment 100 provided in the embodiment, Figure 2 The schematic diagram of the crane bucket auxiliary dismounting equipment 100 provided in the embodiment dismounting crane bucket 200, Figure 1 And Figure 2 The crane bucket auxiliary dismounting equipment 100 is used for assisting in dismounting crane bucket 200, and the crane bucket 200 includes a bucket body 201 and a lifting hook assembly 202 arranged on the bucket body 201. It should be noted that the lifting hook assembly 202 includes chain, buffer device, lifting hook rope and other components, which will not be described herein.

[0042] Specifically, the crane bucket auxiliary dismounting device 100 comprises a mobile lifting device 10 and a support protection tool 20, the support protection tool 20 comprises a protection box 21 and at least two support assemblies 22, the protection box 21 is arranged on the mobile lifting device 10, and the at least two support assemblies 22 are arranged in the protection box 21 in a spaced manner. Wherein, the mobile lifting device 10 is used to drive the protection box 21 to move towards the crane bucket 200, so that the at least two support assemblies 22 are in abutment with the bucket body 201, and the hook assembly 202 falls into the bottom of the protection box 21.

[0043] When the crane bucket 200 is dismounted, the device is moved to the bottom of the crane bucket 200 by the mobile lifting device 10, and then the support protection tool 20 is lifted to lift, so that the support assemblies 22 are in abutment with the bucket body 201, and the hook assembly 202 can pass through the at least two support assemblies 22 and fall into the bottom of the protection box 21, so that the shaking during dismounting can be reduced; then the maintenance personnel take out the pin between the slide rail of the travelling crane 300 and the bucket body 201, and the whole dismounting of the crane bucket 200 is completed, and then a new crane bucket 200 is replaced. It is easy to understand that, during the whole dismounting and replacing process, the protection box 21 can prevent the crane bucket 200 from falling, and the support assemblies 22 can ensure the stability of the dismounting and mounting process, so as to improve the safety of the dismounting of the crane bucket 200 and improve the work efficiency.

[0044] It should be noted that, in the embodiment, the number of support assemblies 22 is two, the two support assemblies 22 are arranged oppositely, can be in abutment with both ends of the bucket body 201 respectively, provide support, so that the hook assembly 202 can pass through the two support assemblies 22 and fall into the bottom of the protection box 21. Of course, in other embodiments, the number of support assemblies 22 can also be three or four and the like; for example, when the number of support assemblies 22 is four, the four support assemblies 22 can be arranged in a rectangular array, i.e. arranged in a spaced manner along the circumference of the protection box 21, which can provide support to the bottom of the bucket body 201 in four directions of front, back, left and right, so as to further improve the stability and safety of the dismounting work.

[0045] Please refer to Figure 3 and Figure 4 , Figure 3 the structural schematic view of the support protection tool 20 provided in the embodiment, Figure 4 the exploded view of the support protection tool 20 provided in the embodiment, combined with Figures 2-4The protection box 21 comprises a bottom plate 215 and first, second, third and fourth baffle plates 211, 212, 213 and 214, which are all connected with the bottom plate 215. The first baffle plate 211 is arranged opposite to the third baffle plate 213, and the second baffle plate 212 is arranged opposite to the fourth baffle plate 214. The first, second, third and fourth baffle plates 211, 212, 213 and 214 are sequentially connected end to end and form a protection space 216 with the bottom plate 215. The bottom plate 215 is arranged on the mobile lifting device 10, and at least two support assemblies 22 are arranged on the bottom plate 215 and located in the protection space 216.

[0046] It can be understood that, by arranging the baffle plates, the gourd body 201 can be protected from falling off the support assembly 22 during the disassembly operation. Moreover, the chain, buffer device, hook rope and other components in the hook assembly 202 can vertically fall onto the bottom plate 215, which can improve the stability of the disassembly operation and protect the hook assembly 202.

[0047] Specifically, the support assembly 22 comprises a support plate 221 and a pad plate 222. The support plate 221 is arranged on the bottom plate 215, and the pad plate 222 is arranged at an end of the support plate 221 away from the bottom plate 215. The pad plate 222 is used to abut against the gourd body 201, and the support plate 221 and the pad plate 222 are both located in the protection space 216. That is, the support plate 221 provides support for the pad plate 222, thereby ensuring the stability of the abutment between the pad plate 222 and the gourd body 201.

[0048] In order to improve the support stability, the number of support plates 221 can be set to multiple, and the multiple support plates 221 are arranged on the bottom plate 215 at intervals. The pad plate 222 is connected with the multiple support plates 221 at the same time.

[0049] It should be noted that, in the present embodiment, the number of support plates 221 is two. Of course, in other embodiments, the number of support plates 221 can also be one, three or four, etc. The specific number needs to be determined according to the actual disassembly situation and design requirements.

[0050] In order to further improve the installation stability of the pad plate 222, in the present embodiment, the two ends of the pad plate 222 are connected with the second baffle plate 212 and the fourth baffle plate 214, respectively. In this way, in addition to being connected and fixed with the support plate 221, the pad plate 222 is also connected and fixed with the second baffle plate 212 and the fourth baffle plate 214 at the same time, thereby improving the connection strength and installation stability of the pad plate 222, and further improving the support stability of the hoist gourd 200.

[0051] It should be noted that, since the number of the support assemblies 22 in the embodiment is two, and the first baffle 211, the two support assemblies 22, and the third baffle 213 are sequentially and spacedly arranged, the installation stability can be improved by connecting the two ends of the two pads 222 with the second baffle 212 and the fourth baffle 214 respectively. Of course, in other embodiments, the two ends of the pads 222 can also be connected with the first baffle 211 and the third baffle 213 respectively, and in this case, the second baffle 212, the two support assemblies 22, and the fourth baffle 214 are sequentially and spacedly arranged.

[0052] In addition, on the basis of the above, in order to further improve the connection stability of the pads 222, in some other embodiments, the pad 222 of one of the support assemblies 22 is connected with the first baffle 211, the second baffle 212, and the fourth baffle 214 simultaneously, and the pad 222 of the other support assembly 22 is connected with the second baffle 212, the third baffle 213, and the fourth baffle 214 simultaneously. That is, the three adjacent edges of one of the pads 222 are connected and fixed with the first baffle 211, the second baffle 212, and the fourth baffle 214 respectively, and the three adjacent edges of the other pad 222 are connected and fixed with the second baffle 212, the third baffle 213, and the fourth baffle 214 respectively.

[0053] Please continue to combine Figure 3 and Figure 4 In the embodiment, in order to facilitate the connection and fixation of the pads 222 with the second baffle 212 and the fourth baffle 214, the second baffle 212 is provided with a plurality of first mounting holes 2122, and the fourth baffle 214 is provided with a plurality of second mounting holes 2142, and other fasteners such as bolts or screws can be used to pass through the first mounting holes 2122 and the second mounting holes 2142 to connect and fix the two ends of the pads 222 respectively. Of course, in some other embodiments, the connection mode of the pads 222 with the second baffle 212 and the fourth baffle 214 can also be welding, clamping, or magnetic connection, etc.

[0054] When the hoist pulley 200 abuts against the support assembly 22, in order to facilitate the subsequent disassembly, installation, and other operations of the operator, a notch can also be provided on the baffle to provide a larger operating space for the operator. For example, in the embodiment, the second baffle 212 is provided with a second notch 2121, and the fourth baffle 214 is provided with a fourth notch 2141, so that the two opposite sides of the hoist pulley 200 have a larger operating space, which facilitates the operator to take down or install the hoist pulley 200 from both sides, and improves the work efficiency.

[0055] Of course, in other embodiments, the first baffle 211 can also be provided with a first notch, or the third baffle 213 can also be provided with a third notch.

[0056] In the disassembly process, in order to further protect the crane cage 200, the crane cage auxiliary dismounting device 100 further comprises a first buffer pad (not shown in the figure), which is arranged on the support assembly 22. Specifically, in the embodiment, the first buffer pad is arranged on the pad plate 222, thereby providing a buffering effect for the cage body 201, and also playing a protective role and avoiding shaking and falling.

[0057] Further, the crane cage auxiliary dismounting device 100 further comprises a second buffer pad (not shown in the figure), which is arranged on the bottom of the protective box 21. Specifically, in the embodiment, the second buffer pad is arranged on the bottom plate 215, thereby providing a buffering effect for the hook assembly 202, and also further avoiding the shaking and falling of the hook assembly 202, thereby playing a protective role.

[0058] Please continue to combine Figure 1 Specifically, the mobile lifting device 10 comprises a mobile platform 11 and a lifting mechanism 12, the lifting mechanism 12 is arranged on the mobile platform 11, and the protective box 21 is arranged at one end of the lifting mechanism 12 away from the mobile platform 11. That is, the mobile platform 11 can facilitate the movement of the crane cage auxiliary dismounting device 100 as a whole, so that it is moved to the directly below the crane cage 200, and then the lifting mechanism 12 is used to lift the support protective tooling 20 as a whole, so as to abut and support the crane cage 200, thereby preventing it from falling.

[0059] It should be noted that, in the embodiment, the mobile platform 11 is specifically a trolley, that is, in the actual production process, the existing trolley of the production line can be used, the lifting mechanism 12 is integrated on the trolley, and the support protective tooling 20 is integrated on the lifting mechanism 12, thereby realizing integrated arrangement, improving the utilization rate of components, and saving costs. At the same time, the trolley can also be conveniently pushed, and a single operator can complete the high-position dismounting operation, thereby realizing convenient and fast operation. Of course, in other embodiments, the mobile platform 11 can also be other mobile devices.

[0060] In summary, the embodiment of the utility model provides a kind of crane hoist auxiliary dismounting equipment 100, crane hoist auxiliary dismounting equipment 100 including mobile lifting device 10 and support protection tooling 20, support protection tooling 20 includes protection box 21 and at least two support components 22, protection box 21 is set to mobile lifting device 10, at least two support components 22 are spaced apart in protection box 21 inside.The mobile lifting device 10 is used to drive protection box 21 to move towards crane hoist 200, to make at least two support components 22 with hoist body 201 abut, and make lifting hook component 202 fall into the bottom of protection box 21.Auxiliary dismounting crane hoist 200, by mobile lifting device 10, equipment is moved to the bottom of crane hoist 200, then support protection tooling 20 is raised to lift, so that support component 22 with hoist body 201 abut, play the supporting effect, at this time lifting hook component 202 can conveniently pass between at least two support components 22, and fall into the bottom of protection box 21, can reduce the situation of shaking in the process of dismounting;Then maintenance personnel take out the bolt between the slide rail of row and hoist body 201, wholely take down present fault crane hoist 200, and replace new crane hoist 200 can.

[0061] It is easy to understand that the whole dismounting and replacing process can prevent crane hoist 200 from sliding down by the protection effect of protection box 21, and the supporting effect of support component 22 can ensure the stability of dismounting and installation process, so as to improve the safety of crane hoist 200 dismounting and improve the operation efficiency.

[0062] The above only describes specific embodiments of the utility model and is not used to limit the utility model.For those skilled in the art, the utility model can be changed and varied in various ways.Any modification, equivalent replacement, improvement, etc., within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A crane hoist auxiliary dismantling device for assisting in the dismantling of a crane hoist (200), the crane hoist (200) comprising a hoist body (201) and a hook assembly (202) disposed on the hoist body (201), characterized in that, The crane hoist auxiliary dismantling equipment (100) includes: Mobile lifting device (10); and A protective support fixture (20) is provided, comprising a protective box (21) and at least two support components (22). The protective box (21) is disposed in the movable lifting device (10), and the at least two support components (22) are disposed at intervals within the protective box (21). The mobile lifting device (10) is used to drive the protective box (21) to move toward the hoist (200) so that the at least two support components (22) abut against the hoist body (201) and the hook assembly (202) falls into the bottom of the protective box (21).

2. The crane hoist auxiliary dismantling device according to claim 1, characterized in that, The protective box (21) includes a base plate (215) and a first baffle (211), a second baffle (212), a third baffle (213) and a fourth baffle (214) all connected to the base plate (215). The first baffle (211) and the third baffle (213) are arranged opposite to each other, and the second baffle (212) and the fourth baffle (214) are arranged opposite to each other. The first baffle (211), the second baffle (212), the third baffle (213) and the fourth baffle (214) are connected end to end in sequence, and form a protective space (216) with the base plate (215). The base plate (215) is disposed on the mobile lifting device (10), and the at least two support components (22) are disposed at intervals on the base plate (215) and located within the protective space (216).

3. The crane hoist auxiliary dismantling device according to claim 2, characterized in that, The support assembly (22) includes a support plate (221) and a pad (222). The support plate (221) is disposed on the base plate (215), and the pad (222) is disposed at the end of the support plate (221) away from the base plate (215). The pad (222) is used to abut against the hoist body (201), and both the support plate (221) and the pad (222) are located within the protective space (216).

4. The crane hoist auxiliary dismantling device according to claim 3, characterized in that, The number of support plates (221) is multiple, and the multiple support plates (221) are spaced apart on the base plate (215). The pad plate (222) is connected to the multiple support plates (221) at the same time.

5. The crane hoist auxiliary dismantling device according to claim 3, characterized in that, The two ends of the pad (222) are respectively connected to the first baffle (211) and the third baffle (213), or the two ends of the pad (222) are respectively connected to the second baffle (212) and the fourth baffle (214).

6. The crane hoist auxiliary dismantling device according to claim 2, characterized in that, There are two support components (22), one of which has a pad (222) connected to the first baffle (211), the second baffle (212) and the fourth baffle (214), and the other has a pad (222) connected to the second baffle (212), the third baffle (213) and the fourth baffle (214).

7. The crane hoist auxiliary dismantling device according to claim 2, characterized in that, The first baffle (211) has a first notch; and / or, The second baffle (212) has a second notch (2121); and / or, The third baffle (213) has a third notch; and / or, The fourth baffle (214) has a fourth notch (2141).

8. The crane hoist auxiliary dismantling device according to claim 1, characterized in that, The hoist auxiliary dismantling device (100) further includes a first buffer pad, which is disposed on the support assembly (22); and / or, The hoist auxiliary dismantling device (100) also includes a second buffer pad, which is located at the bottom of the protective box (21).

9. The crane hoist auxiliary dismantling device according to any one of claims 1-8, characterized in that, The mobile lifting device (10) includes a mobile platform (11) and a lifting mechanism (12). The lifting mechanism (12) is mounted on the mobile platform (11), and the protective box (21) is mounted on the end of the lifting mechanism (12) away from the mobile platform (11).

10. The crane hoist auxiliary dismantling device according to claim 9, characterized in that, The mobile platform (11) is a handcart.