Maintenance tool

Abstract

The utility model provides a maintenance tool. The maintenance tool comprises an upper hanging rod and a lower hanging rod. The upper suspender comprises a first main body part and a first connecting rod which are fixed together; the lower suspender comprises a second main body part and a second connecting rod which are fixed together; the first main body part and the second main body part are positioned between the first connecting rod and the second connecting rod and are foldable or telescopic; and the first connecting rod and the second connecting rod face the same direction. According to the maintenance tool, the upper hanging rod and the lower hanging rod are designed in a split mode and are telescopic or foldable, transportation and storage are convenient, meanwhile, the maintenance tool can be applied to a small space, and operation is convenient, time and labor are saved when a compressor is maintained.

Description

Technical Field

[0001] The present application relates to the field of maintenance tooling. Background Art

[0002] As more and more customers need to optimize and transform the performance of air-cooled units that have been in use for many years, service personnel are required to perform maintenance and inspection of screw air-cooled units at the customer's site. Due to the limited space above the compressor in the unit, it is currently necessary to build a temporary frame platform near the compressor, and then drag the compressor out or into the unit horizontally. This method requires the construction of a temporary platform. When the surrounding space is small, the surrounding obstacles must be removed first to make room for enough construction and personnel operation. The maintenance and inspection process is time-consuming and labor-intensive, affecting the efficiency of on-site maintenance services. Utility Model Content

[0003] The present application provides a maintenance tool that can be operated in a small space and is easy to use.

[0004] An embodiment of the present application provides a maintenance tool, including: an upper suspension rod and a lower suspension rod, the upper suspension rod includes a first main body and a first connecting rod fixed together, the lower suspension rod includes a second main body and a second connecting rod fixed together, the first main body and the second main body are located between the first connecting rod and the second connecting rod and are foldable or retractable, and the first connecting rod and the second connecting rod have the same orientation.

[0005] Furthermore, the maintenance tool also includes a first latch, the first main body is provided with a first hole, the second main body is provided with a second hole, and the first latch is assembled to the first hole and the second hole to fix the first main body and the second main body.

[0006] Further, the first hole is arranged at the end of the first main body, the second main body is provided with a pair of ears, a receiving groove is provided between the pair of ears, the second hole is provided as a pair and respectively arranged on the pair of ears, and the end of the first main body is accommodated in the receiving groove.

[0007] Furthermore, the maintenance tool includes a first fixing part fixed to the first main body, the first main body and the first fixing part are arranged in sequence along the length direction of the first main body, the first main body is provided with a first groove part and a second groove part, along the width direction of the first main body, the width of the first groove part is greater than the width of the second groove part, the first fixing part includes a first base part and a first connecting part and a first blocking part extending from the first base part, the first hole is arranged in the first base part, along the width direction of the first main body part, the width of the first blocking part is greater than the width of the first connecting part, the first blocking part is accommodated in the first groove part, and the first connecting part is accommodated in the second groove part.

[0008] Furthermore, the maintenance tool includes a second fixing part fixed to the second main body, the second main body and the second fixing part are arranged in sequence along the length direction of the second main body, the second main body is provided with a third groove part and a fourth groove part, along the width direction of the second main body, the width of the third groove part is greater than the width of the fourth groove part, the second fixing part includes a second base part and a second connecting part and a second blocking part extending from the second base part, a pair of the ears are fixed to the second base, along the width direction of the second main body, the width of the second blocking part is greater than the width of the second connecting part, the second blocking part is accommodated in the third groove part, and the second connecting part is accommodated in the fourth groove part.

[0009] Furthermore, the first connecting rod is used to connect to the lifting device, the second connecting rod is used to connect to the object to be transferred, the second connecting rod includes a connecting end connected to the second main body and a free end arranged opposite to the connecting end, and along the length direction of the second main body, the height of the free end is smaller than the height of the connecting end.

[0010] Furthermore, the first connecting rod is used to be connected to a lifting device, and the maintenance tool also includes a lifting chain fixed to the second connecting rod, and the lifting chain is used to be connected to the object to be transferred.

[0011] Furthermore, the first connecting rod is used to be connected to a lifting device, and the maintenance tool also includes a transverse lifting rod fixed to the second connecting rod, and the transverse lifting rod is used to be connected to the object to be transferred.

[0012] Furthermore, the transverse suspension rod is provided with a plurality of mounting holes, and the plurality of mounting holes are sequentially arranged along the length direction of the transverse suspension rod, and the mounting holes are used for assembling fixed lifting rings, and the fixed lifting rings are used for connecting with the objects to be transferred.

[0013] Furthermore, the horizontal lifting rod includes a nameplate, on which matching information associated with the object to be transferred is provided, so as to determine the number of the fixed lifting rings and the mounting holes corresponding to the fixed lifting rings according to the object to be transferred.

[0014] Furthermore, a tag associated with the matching information is connected to the fixed lifting ring, so as to determine the corresponding fixed lifting ring according to the object to be transferred.

[0015] Furthermore, the cross suspension rod is provided with a plug-in slot and a first positioning hole, the end of the second connecting rod is accommodated in the plug-in slot, the end of the second connecting rod is provided with a second positioning hole, and the maintenance tool includes a second pin, which is assembled into the first positioning hole and the second positioning hole to fix the second connecting rod and the cross suspension rod.

[0016] Furthermore, the plug-in slot is provided with a first opening and a second opening which are arranged opposite to each other, and the end of the second connecting rod can be selectively inserted into the plug-in slot from the first opening or the second opening.

[0017] In some embodiments, the upper and lower hanging rods of the maintenance tool of the above technical solution are designed to be split and retractable or foldable, which is convenient for transportation and storage. The maintenance tool can also be used in a smaller space, making it convenient to operate and saving time and effort when performing compressor maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a perspective view of a maintenance tool according to an exemplary embodiment of the present application.

[0019] Figure 2 yes Figure 1 A perspective view of the maintenance tool shown from another perspective.

[0020] Figure 3 yes Figure 1 A three-dimensional view of the maintenance tool shown after folding.

[0021] Figure 4 yes Figure 1 Exploded view of the maintenance tool shown.

[0022] Figure 5 yes Figure 4 Exploded view of the upper boom of the maintenance tool shown.

[0023] Figure 6 yes Figure 4 Exploded view of the lower boom of the maintenance tool shown.

[0024] Figure 7 yes Figure 1 The maintenance tool shown is a three-dimensional view after being assembled with a lifting chain.

[0025] Figure 8 yes Figure 7 The diagram shows a schematic diagram of the assembly of a lifting chain and a second connecting rod of a maintenance tool, wherein only a portion of the second connecting rod is shown.

[0026] Fig. 9 yes Figure 1 The maintenance tool shown is a three-dimensional view after being assembled with a cross boom.

[0027] Fig.10 yes Fig. 9 Exploded view of the stereogram shown.

[0028] Fig.11 yes Fig.10 A perspective view of the horizontal boom shown.

[0029] Fig.12 yes Fig.10 A perspective view of the fixed lifting ring shown.

[0030] Fig.13 yes Fig. 9 A partial enlarged view of the cross-lifting rod after being fixed to the fixed lifting ring is shown.

[0031] Fig.14 yes Fig.11 Schematic diagram of the cross boom connected to the compressor.

[0032] Description of the accompanying drawings: 1. upper suspension rod; 11. first main body; 111. first hole; 12. first connecting rod; 13. first fixing member; 131. first base; 132. first connecting portion; 133. first blocking portion; 14. first groove; 15. second groove; 2. lower suspension rod; 21. second main body; 211. second hole; 212. ear; 2121. storage groove; 22. second connecting rod; 220. through hole; 221. connecting end; 222. free end; 223. second positioning hole; 23. second fixing member; 231. second Base; 232, second connecting portion; 233, second blocking portion; 24, third slot portion; 25, fourth slot portion; 3, horizontal suspension rod; 31, mounting hole; 311, hole position number; 32, nameplate; 33, plug-in slot; 331, first opening; 332, second opening; 34, first positioning hole; 4, first latch; 41, first fastener; 5, lifting chain; 51, lifting chain body; 52, lifting chain fixing portion; 53, extension chain; 54, hook; 6, fixed lifting ring; 61, hanging tag; 7, second latch; 71, second fastener; 8, compressor. DETAILED DESCRIPTION

[0033] An embodiment of the present application provides a maintenance tool for assisting in moving objects to be transferred. For example, when maintaining and inspecting an air-cooled unit, the maintenance tool can be used to move a compressor in the air-cooled unit, which not only facilitates the movement of the objects to be transferred, but also saves time and effort, and can protect the objects to be transferred.

[0034] See also Figure 1 and Figure 2 As shown, the maintenance tool includes an upper suspension rod 1 and a lower suspension rod 2, the upper suspension rod 1 includes a first main body 11 and a first connecting rod 12 fixed together, the lower suspension rod 2 includes a second main body 21 and a second connecting rod 22 fixed together, the first main body 11 and the second main body 21 are located between the first connecting rod 12 and the second connecting rod 22 and are foldable or retractable, and the first connecting rod 12 and the second connecting rod 22 are oriented in the same direction. The upper suspension rod 1 and the lower suspension rod 2 adopt a split design that can be quickly disassembled and assembled, which is convenient to carry and convenient to store and transport. The maintenance tool is designed in a C shape as a whole, which is convenient for extending the second connecting rod 22 into the interior of the maintenance component, and directly hoisting the object to be transferred at the original installation position of the object to be transferred. Compared with the original maintenance method of building a platform and then moving the object to be transferred, it saves a lot of time for disassembling and assembling the maintenance components.

[0035] See also Figure 2 and Figure 3 As shown, when transporting or storing the maintenance tool, the upper suspension rod 1 and the lower suspension rod 2 are folded, the first main body 11 and the second main body 21 are hingedly connected and folded, and the first connecting rod 12 and the second connecting rod 22 are folded, thereby saving space for transportation and storage.

[0036] In some embodiments, when transporting or storing the maintenance tool, the upper suspension rod 1 and the lower suspension rod 2 can also be stored in a telescopic manner, with a portion of the first main body 11 and a portion of the second main body 21 overlapping each other.

[0037] Optionally, the upper suspension rod 1 and the lower suspension rod 2 are stored in a telescopic manner using a plug-in connection or a sliding rod.

[0038] In some embodiments, during actual work, an angle may be provided between the upper suspension rod 1 and the lower suspension rod 2, so as to better adapt to changes in the center of gravity of the compressor on site, significantly reduce the impact of changes in the center of gravity on the lifting level, and prevent the maintenance tooling from being obviously tilted.

[0039] In some embodiments, the overall width of the maintenance tool is less than or equal to 1 meter to adapt to a narrow maintenance space.

[0040] See also Figure 4The maintenance tool further includes a first latch 4, the first body portion 11 is provided with a first hole 111, the second body portion 21 is provided with a second hole 211, and the first latch 4 is assembled to the first hole 111 and the second hole 211 to fix the first body portion 11 and the second body portion 21. The upper suspension rod 1 and the lower suspension rod 2 can be quickly assembled into one by using the first latch 4, saving the disassembly and assembly time of the maintenance tool and improving work efficiency.

[0041] The maintenance tool also includes a first fastener 41. When the first latch 4 is assembled into the first hole 111 and the second hole 211, the first fastener 41 is fixed to the end of the first latch 4 to prevent the first latch 4 from falling off.

[0042] Optionally, the first body portion 11 and the second body portion 21 may also be assembled using screws, and the screws are assembled to the first holes 111 and the second holes 211 .

[0043] The first hole 111 is arranged at the end of the first main body 11, the second main body 21 is provided with a pair of ears 212, and a storage groove 2121 is provided between the pair of ears 212. The second hole 211 is arranged as a pair and is respectively arranged on the pair of ears 212. The end of the first main body 11 is accommodated in the storage groove 2121, forming an embedded connection method, thereby enhancing the connection strength and stability between the upper suspension rod 1 and the lower suspension rod 2.

[0044] In some embodiments, a positioning structure, such as a positioning portion, may be provided on the ear portion 212 to more accurately position the end of the first body portion 11 so that the end of the first body portion 11 can be accurately inserted into the positioning portion, thereby improving assembly convenience.

[0045] In some embodiments, a storage groove 2121 with adjustable width is used to accommodate first main body portions 11 of different sizes, thereby improving versatility.

[0046] The first connecting rod 12 is used to connect with the lifting device, and the second connecting rod 22 is used to connect with the object to be transferred. The second connecting rod 22 includes a connecting end 221 connected with the second main body 21 and a free end 222 arranged opposite to the connecting end 221. Along the length direction of the second main body 21, the height of the free end 222 is less than the height of the connecting end 221. The connecting end 221 can be further lowered to a position lower than the object to be transferred, and then the free end 222 is extended above the object to be transferred, thereby reducing the height space occupied by the entire maintenance tooling.

[0047] In some embodiments, the lifting device may be a crane, a combination of a hanger and a chain hoist, or a lifting device such as a crane.

[0048] In some embodiments, the object to be transferred may be a compressor, an air-cooling unit, or other items that need to be transferred.

[0049] In some embodiments, the maintenance tool can extend the free end 222 of the second connecting rod 22 into the top space of the object to be rotated to perform the lifting work when the top space of the object to be rotated is greater than or equal to twelve centimeters.

[0050] See also Figure 5 As shown, the maintenance tool includes a first fixing member 13 fixed to the first main body 11, and the first main body 11 and the first fixing member 13 are arranged in sequence along the length direction of the first main body 11. The first main body 11 is provided with a first groove portion 14 and a second groove portion 15. Along the width direction of the first main body 11, the width of the first groove portion 14 is greater than the width of the second groove portion 15. The first fixing member 13 includes a first base portion 131 and a first connecting portion 132 and a first blocking portion 133 extending from the first base portion 131. The first hole 111 is arranged in the first base portion 131. Along the width direction of the first main body 11, the width of the first blocking portion 133 is greater than the width of the first connecting portion 132. The first blocking portion 133 is accommodated in the first groove portion 14, and the first connecting portion 132 is accommodated in the second groove portion 15.

[0051] The first groove portion 14 and the second groove portion 15 are combined into a T-shaped groove, and the first connecting portion 132 and the first blocking portion 133 also form a T-shaped protrusion. The T-shaped protrusion is arranged in the T-shaped groove and the first main body portion 11 and the first fixing member 13 are welded together, so that the tension on the first fixing member 13 is mainly borne by the first main body portion 11, avoiding cracks in the weld and preventing the first fixing member 13 from falling off during operation, effectively improving the life and safety of the maintenance tooling, while reducing maintenance costs.

[0052] Optionally, the first main body 11 and the first fixing member 13 may also be of an integrated design.

[0053] Optionally, the first main body 11 and the first fixing member 13 may also be fixed by bolt connection, riveting, or magnetic connection.

[0054] See also Figure 6 As shown, the maintenance tool includes a second fixing member 23 fixed to the second main body 21, and the second main body 21 and the second fixing member 23 are arranged in sequence along the length direction of the second main body 21. The second main body 21 is provided with a third groove portion 24 and a fourth groove portion 25. Along the width direction of the second main body 21, the width of the third groove portion 24 is greater than the width of the fourth groove portion 25. The second fixing member 23 includes a second base portion 231 and a second connecting portion 232 and a second blocking portion 233 extending from the second base portion 231. A pair of ears 212 are fixed to the second base portion 231. Along the width direction of the second main body 21, the width of the second blocking portion 233 is greater than the width of the second connecting portion 232. The second blocking portion 233 is accommodated in the third groove portion 24, and the second connecting portion 232 is accommodated in the fourth groove portion 25.

[0055] The third groove portion 24 and the fourth groove portion 25 are combined into an inverted T-shaped groove, and the second connecting portion 232 and the second blocking portion 233 also form an inverted T-shaped protrusion. The inverted T-shaped protrusion is arranged in the inverted T-shaped groove and the second main body portion 21 and the second fixing member 23 are welded, so that the tension on the second fixing member 23 is mainly borne by the second main body portion 21, avoiding cracks in the weld and preventing the second fixing member 23 from falling off during operation, effectively improving the life and safety of the maintenance tooling, while reducing maintenance costs.

[0056] Optionally, the second main body 21 and the second fixing member 23 may also be of an integrated design.

[0057] Optionally, the second main body 21 and the second fixing member 23 may also be fixed by bolt connection, riveting, or magnetic connection.

[0058] In some embodiments, the first fixing member 13 and the second fixing member 23 may not be provided, and the first main body 11 and the second main body 21 may be directly fixed.

[0059] See also Figure 7 and Figure 8 As shown, the first connecting rod 12 is used to connect with the lifting device, and the maintenance tool also includes a lifting chain 5 fixed to the second connecting rod 22, and the lifting chain 5 is used to connect with the object to be transferred. By connecting the lifting chain 5 with the object to be transferred, the object can be flexibly lifted and transferred.

[0060] In some embodiments, a through hole 220 is formed on the second connecting rod 22 , and the hanging chain 5 passes through the through hole 220 and is fixed to the second connecting rod 22 .

[0061] The lifting chain 5 includes: a lifting chain main body 51, a lifting chain fixing part 52 fixed to the lifting chain main body 51, and an extension chain 53. The lifting chain fixing part 52 passes through the through hole 220 on the second connecting rod 22 and is fixed to the second connecting rod 22. One end of the extension chain 53 is connected to the lifting chain main body 51, and the other end of the extension chain 53 is provided with a hook 54. The hook 54 is fixed to the object to be transferred, so as to lift and transfer the object to be transferred.

[0062] In some embodiments, the length of the extension chain 53 can be adjusted telescopically according to the actual reserved height space.

[0063] In some embodiments, the lifting chain 5 can lift an object to be transferred that is less than or equal to 780 kilograms. The present application does not limit the weight of the object to be transferred that can be lifted by the lifting chain 5.

[0064] See also Figures 9 to 11 As shown, the first connecting rod 12 is used to connect with the lifting device, and the maintenance tool also includes a horizontal hanging rod 3 fixed to the second connecting rod 22, and the horizontal hanging rod 3 is used to connect with the object to be transferred.

[0065] The cross suspension rod 3 is provided with a plug-in slot 33 and a first positioning hole 34, the end of the second connecting rod 22 is received in the plug-in slot 33, and a second positioning hole 223 is provided on the end of the second connecting rod 22. The maintenance tool includes a second latch 7, and the second latch 7 is assembled into the first positioning hole 34 and the second positioning hole 223 to fix the second connecting rod 22 and the cross suspension rod 3. The second latch 7 is provided to prevent the cross suspension rod 3 from falling off from the second connecting rod 22. The maintenance tool also includes a second fastener 71. When the second latch 7 is assembled into the first positioning hole 34 and the second positioning hole 223, the second fastener 71 is provided at the end of the second latch 7 to prevent the second fastener 71 from falling off.

[0066] The insertion slot 33 is provided with a first opening 331 and a second opening 332 which are arranged opposite to each other, and the end of the second connecting rod 22 can be selectively inserted into the insertion slot 33 from the first opening 331 or the second opening 332. The horizontal suspension rod 3 can be connected to the lower suspension rod 2 from two directions, so as to adapt to different installation directions of the compressor 8 at the maintenance site.

[0067] In some embodiments, the insertion slot 33 is a rectangular installation slot, and the end of the second connecting rod 22 is rectangular. The end of the second connecting rod 22 matches the insertion slot 33 to prevent the horizontal suspension rod 3 from tilting or tipping.

[0068] See also Fig.11 The horizontal suspension rod 3 is provided with a plurality of mounting holes 31, which are sequentially arranged along the length direction of the horizontal suspension rod 3. The mounting holes 31 are used to assemble the fixed lifting ring 6, which is used to connect with the object to be transferred. The horizontal suspension rod 3 is provided with a plurality of mounting holes 31, and the fixed lifting ring 6 can be selected at a suitable mounting position according to the size and shape of the object to be transferred, thereby improving the versatility and adaptability of the maintenance tooling.

[0069] In some embodiments, an anti-slip or protective device may be provided on the horizontal suspension rod 3 to ensure that the connection between the fixed suspension ring 6 and the object to be transferred is firm and reliable.

[0070] See also Figure 12 to Figure 14 As shown, the horizontal lifting rod 3 includes a nameplate 32, on which matching information associated with the object to be transferred is provided, so as to determine the number of the fixed lifting rings 6 and the mounting holes 31 corresponding to the fixed lifting rings 6 according to the object to be transferred.

[0071] In this embodiment, the object to be transferred is a compressor 8 , and a tag 61 associated with matching information of the compressor 8 is connected to the fixed lifting ring 6 , so that the corresponding fixed lifting ring 6 can be determined according to the model of the compressor 8 .

[0072] The mounting hole 31 is provided with a hole position number 311, and the nameplate 32 is provided with information of the hole position number 311 and the tag 61 corresponding to each compressor 8 model. When hoisting is required, the fixed lifting ring 6 is selected according to the information set on the nameplate 32 and the model of the compressor 8, and then the fixed lifting ring 6 is set in the matching mounting hole 31.

[0073] When the maintenance tooling requires the horizontal lifting rod 3 to lift the compressor 8, first unfold the folded upper lifting rod 1 and lower lifting rod 2, and use the first pin 4 to connect the upper lifting rod 1 and the lower lifting rod 2; then use the second pin 7 to connect and fix the horizontal lifting rod 3 and the lower lifting rod 2 as a whole; then loosen the fixings around the compressor 8 to fix the compressor 8; thereafter, find the information on the nameplate 32 according to the model of the compressor 8 to determine the corresponding mounting hole 31 and the fixed lifting ring 6; one end of the fixed lifting ring 6 passes through the mounting hole 31 and is fixed to the horizontal lifting rod 3, and after the other end of the fixed lifting ring 6 is fixed to the compressor 8, the compressor 8 is lifted and moved out of the unit for maintenance, and finally the compressor 8 after maintenance is sent to the bottom of the unit for installation, the fixed lifting ring 6 is removed, the horizontal lifting rod 3 is disassembled, and the upper lifting rod 1 and the lower lifting rod 2 are folded and stored.

[0074] When the maintenance tool directly lifts the compressor 8, the folded upper lifting rod 1 and lower lifting rod 2 are unfolded, and the upper lifting rod 1 and the lower lifting rod 2 are connected using the first pin 4; then the lifting chain fixing portion 52 of the lifting chain 5 is passed through the through hole 220 and fixed to the lower lifting rod 2, and the hook 54 is fixed to the two ends of the compressor 8, and the compressor 8 is lifted and moved out of the unit for maintenance. Finally, the compressor 8 after maintenance is sent to the bottom of the unit for installation, the lifting chain 5 is removed, and the upper lifting rod 1 and the lower lifting rod 2 are folded and stored.

Claims

1. A maintenance tool, characterized in that: include: An upper suspension rod and a lower suspension rod, the upper suspension rod includes a first main body and a first connecting rod fixed together, the lower suspension rod includes a second main body and a second connecting rod fixed together, the first main body and the second main body are located between the first connecting rod and the second connecting rod and are foldable or retractable, and the first connecting rod and the second connecting rod have the same orientation.

2. The maintenance tool according to claim 1, characterized in that: It also includes a first latch, the first main body is provided with a first hole, the second main body is provided with a second hole, and the first latch is assembled to the first hole and the second hole to fix the first main body and the second main body.

3. The maintenance tool according to claim 2, characterized in that: The first hole is arranged at the end of the first main body, the second main body is provided with a pair of ears, a receiving groove is provided between the pair of ears, the second hole is provided as a pair and respectively arranged on the pair of ears, and the end of the first main body is accommodated in the receiving groove.

4. The maintenance tool according to claim 3, characterized in that: It includes a first fixing member fixed to the first main body, the first main body and the first fixing member are arranged in sequence along the length direction of the first main body, the first main body is provided with a first groove portion and a second groove portion, along the width direction of the first main body, the width of the first groove portion is greater than the width of the second groove portion, the first fixing member includes a first base portion and a first connecting portion and a first blocking portion extending from the first base portion, the first hole is arranged in the first base portion, along the width direction of the first main body, the width of the first blocking portion is greater than the width of the first connecting portion, the first blocking portion is accommodated in the first groove portion, and the first connecting portion is accommodated in the second groove portion.

5. The maintenance tool according to claim 3, characterized in that: It includes a second fixing member fixed to the second main body, the second main body and the second fixing member are arranged in sequence along the length direction of the second main body, the second main body is provided with a third groove portion and a fourth groove portion, along the width direction of the second main body, the width of the third groove portion is greater than the width of the fourth groove portion, the second fixing member includes a second base portion and a second connecting portion and a second blocking portion extending from the second base portion, a pair of the ears are fixed to the second base portion, along the width direction of the second main body, the width of the second blocking portion is greater than the width of the second connecting portion, the second blocking portion is accommodated in the third groove portion, and the second connecting portion is accommodated in the fourth groove portion.

6. The maintenance tool according to any one of claims 1 to 5, characterized in that: The first connecting rod is used to connect to the lifting device, and the second connecting rod is used to connect to the object to be transferred. The second connecting rod includes a connecting end connected to the second main body and a free end arranged opposite to the connecting end. Along the length direction of the second main body, the height of the free end is smaller than the height of the connecting end.

7. The maintenance tool according to any one of claims 1 to 5, characterized in that: The first connecting rod is used to be connected to a lifting device, and the maintenance tool also includes a lifting chain fixed to the second connecting rod, and the lifting chain is used to be connected to the object to be transferred.

8. The maintenance tool according to any one of claims 1 to 5, characterized in that: The first connecting rod is used to be connected to a lifting device, and the maintenance tool also includes a transverse lifting rod fixed to the second connecting rod, and the transverse lifting rod is used to be connected to an object to be transferred.

9. The maintenance tool according to claim 8, characterized in that: The transverse suspension rod is provided with a plurality of mounting holes, and the plurality of mounting holes are sequentially arranged along the length direction of the transverse suspension rod. The mounting holes are used for assembling fixed lifting rings, and the fixed lifting rings are used for connecting with the objects to be transferred.

10. The maintenance tool according to claim 9, characterized in that: The horizontal lifting rod includes a nameplate, on which matching information associated with the object to be transferred is provided, so as to determine the number of the fixed lifting rings and the mounting holes corresponding to the fixed lifting rings according to the object to be transferred.

11. The maintenance tool according to claim 10, characterized in that: The fixed lifting ring is connected with a tag associated with the matching information, so as to determine the corresponding fixed lifting ring according to the object to be transferred.

12. The maintenance tool according to claim 8, characterized in that: The cross suspension rod is provided with a plug-in slot and a first positioning hole, the end of the second connecting rod is accommodated in the plug-in slot, the end of the second connecting rod is provided with a second positioning hole, and the maintenance tool includes a second pin, which is assembled into the first positioning hole and the second positioning hole to fix the second connecting rod and the cross suspension rod.

13. The maintenance tool according to claim 12, characterized in that: The inserting slot is provided with a first opening and a second opening which are arranged opposite to each other, and the end of the second connecting rod can be selectively inserted into the inserting slot from the first opening or the second opening.

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