Mutual inductor carrying auxiliary device for power grid metering storehouse

Abstract

The invention relates to the technical field of carrying devices, and particularly discloses a transformer carrying auxiliary device for a power grid metering storehouse, which comprises a transport vehicle, and further comprises a carrying mechanism arranged on the transport vehicle and a clamping unit arranged in the carrying mechanism. Then a worker drives a driving column at the top of the carrying bin to rotate, during rotation, the driving column drives driven gears on the two sides to rotate through a driving gear, so that threaded columns are driven to rotate, the threaded columns drive moving plates in threaded connection to move during rotation, the threaded columns are arranged on the two sides of the carrying bin, and when the threaded columns move at the same time, the moving plates are driven to move; when the mutual inductor is conveyed, the movable plate is driven to move towards the middle at the same time, so that the mutual inductor is clamped and fixed, baffles extending out of the two sides of the carrying bin are used for protecting the mutual inductor, and after all fixing is completed, the transport vehicle starts to move, so that carrying of the mutual inductor is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of handling devices, and specifically to an auxiliary device for handling transformers in a power grid metering warehouse. Background Art

[0002] A metering current transformer is a current transformer that provides current to an electric energy meter and other similar electrical appliances. Metering low-voltage current transformers are widely used for metering the current in a low-voltage power distribution system.

[0003] An adjustable transformer handling device disclosed in the patent publication No. CN216302053U belongs to the technical field of transformer handling. It includes a lifting rod, at the top of which a handle is fixedly installed. A horizontal plate is fixedly sleeved on the lifting rod. Diagonal rods are hinged at both ends of the horizontal plate. Hooks are hinged at the bottoms of the diagonal rods. The bottom of the lifting rod penetrates through the horizontal plate and is fixedly connected with an adjustment box. Horizontally arranged movable rods are slidably installed at both ends of the adjustment box. One end of the movable rod is hinged with an adjustment rod, and one end of the adjustment rod is hinged with the diagonal rod. The present invention realizes hooking of the transformer, which is convenient for handling the transformer, and can hook and lift transformers of different types and sizes, improving the compatibility of use.

[0004] In the prior art, in the handling work of transformers, the hook in the above device can be used to hook the transformer, and then the handling device is moved to complete the handling work. However, a problem is found during handling. The above handling device is only convenient for fixing the transformer during handling, but when moving the transformer, it still needs to be manually lifted by workers, and the transformer cannot be protected during the handling process. It may be damaged during the moving process, increasing the labor intensity of workers while also being unable to protect the transformer. At the same time, the above device can only handle one group of transformers during handling, while the transformers used in a power grid metering warehouse are generally more than one group. Therefore, when multiple groups of transformers need to be handled, it cannot be achieved, reducing the handling efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide an auxiliary device for handling transformers in a power grid metering warehouse, and solve the following technical problems: (1) How to achieve the handling of multiple groups of transformers and improve the handling efficiency; (2) How to reduce the labor intensity of workers.

[0006] The purpose of the present invention can be achieved through the following technical solutions: An auxiliary device for handling transformers in a power grid metering warehouse includes a transport vehicle, and further includes a handling mechanism arranged on the transport vehicle and a clamping unit arranged in the handling mechanism: The handling mechanism is movably arranged above the transport vehicle; The handling mechanism includes a handling bin; a driving column is rotatably connected inside the handling bin; a driving gear is fixedly connected to the driving column; there are two groups of the driving gears; a threaded column is rotatably connected to the side wall of the handling bin; there are multiple groups of the threaded columns; one end of the threaded column away from the handling bin is fixedly connected to a driven gear; the driven gear is meshed and connected with the driving gear; a moving plate is threadedly connected to the threaded column; a clamping plate is fixedly connected to the moving plate; a bottom plate is clamped to the handling bin; the clamping plate penetrates through the bottom plate; The threaded columns are arranged vertically, respectively arranged at both ends of the handling bin and on both sides of the driving column; the moving plate is threadedly connected to the two threaded columns; The clamping unit is arranged inside the handling bin and includes a first slot, a second slot, a connecting slot and a clamping block.

[0007] Further, the first slot is opened on the side wall of the handling bin; the second slot is opened below the first slot; the connecting slot is opened in the middle of the first slot and the second slot for connecting the first slot and the second slot; a first spring is fixedly connected to the side wall of the first slot; one end of the first spring away from the first slot is fixedly connected to a pressing plate; A groove is opened in the clamping block; a clamping spring is fixedly connected inside the groove; both ends of the clamping spring are fixedly connected to the clamping block; a convex block is fixedly connected to the bottom of the clamping block; the convex block is inclined; The clamping block is movably clamped in the first slot; the convex block is clamped in the connecting slot; The clamping block is larger than the first slot.

[0008] Further, a rotating plate is rotatably connected to the side wall of the second slot; a top pin is fixedly connected to the rotating plate; the top pin is arranged in the connecting slot; a sliding groove is opened at the top of the handling bin; a pressing column is slidably connected in the sliding groove; the sliding groove communicates with the second slot; one end of the rotating plate away from the top pin is hinged to the pressing column; a second spring is fixedly connected to the top of the second slot; one end of the second spring away from the second slot is fixedly connected to the rotating plate; the second spring is arranged at one end away from the top pin.

[0009] Further, a buffer spring is fixedly connected to the transport vehicle; there are multiple groups of the buffer springs; one end of the buffer spring away from the transport vehicle is fixedly connected to a support plate; the handling bin is placed on the support plate.

[0010] Further, universal wheels are rotatably arranged at the bottom of the transport vehicle; there are multiple groups of the universal wheels; a handle is fixedly connected to the side wall of the transport vehicle.

[0011] Further, the driving gear and the driven gear are arranged as bevel gears; the threaded column is arranged as a ball screw.

[0012] Further, a limiting plate is fixedly connected to the side wall of the handling bin; the threaded column is rotatably connected within the limiting plate and penetrates through the limiting plate.

[0013] Further, multiple groups of the first clamping grooves are provided and are arranged corresponding to the clamping blocks.

[0014] Advantages of the present invention: (1) In the present invention, the instrument transformers to be transported are placed into the handling bin group by group, and then the staff drives the driving column at the top of the handling bin to rotate. When rotating, the driving column drives the driven gears on both sides to rotate by means of the driving gear, thereby driving the threaded column to rotate. When the threaded column rotates, it will drive the moving plate connected by threads to move. Moreover, the threaded columns are arranged on both sides of the handling bin. When the threaded columns move simultaneously, they will drive the moving plates to move towards the middle simultaneously, thereby clamping and fixing the instrument transformers. And the baffle plates extending from both sides of the handling bin can protect the instrument transformers. After all the fixings are completed, the transport vehicle is started to realize the transportation of the instrument transformers.

[0015] (2) When multiple groups need to be transported in the present invention, another handling bin is placed on the transport vehicle, and then the clamping blocks on the side wall of the other handling bin are aligned with the first clamping grooves. After alignment, the handling bin is pushed, so that the clamping blocks are inserted into the first clamping grooves. Since the clamping blocks are larger than the first clamping grooves, when being inserted, the clamping blocks will be squeezed, and the clamping spring will be squeezed simultaneously during the squeezing, so that the clamping blocks are reduced. When the clamping blocks enter the first clamping grooves, the end portions of the clamping blocks will squeeze the pressing plate and the first spring in the first clamping grooves. During the squeezing, the clamping blocks will continue to move inward until the convex blocks at the bottom of the clamping blocks move to the connecting grooves, and then the clamping spring releases its elastic force and springs the convex blocks into the connecting grooves to realize the clamping and fixing of the two handling bins.

[0016] (3) When the spliced handling bins need to be disassembled in the present invention, the staff can press the pressing column at the top of the handling bin. When pressing, the pressing column drives the rotating plate to move downward. The rotating plate is rotatably connected in the clamping groove and is in a lever connection. When the rotating plate is driven by the pressing column to move downward, it drives the thimble on the other side to move upward. When the thimble moves upward, it pushes the convex block on the clamping block. When pushing, the convex block is separated from the connecting groove, releasing the clamping of the connecting groove on the convex block. Subsequently, the first spring rebounds due to the loss of the squeezing force, and the handling bin is ejected by means of the pressing plate, thereby realizing the separation of the handling bins. And when the rotating plate moves downward, the second spring is also stretched. When the handling bins are separated, the pressing on the pressing column is cancelled, and then the second spring rebounds to make the rotating plate return to its original position. Description of the Drawings

[0017] The following further describes the present invention with reference to the drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the transport vehicle in the present invention; Figure 2 It is a schematic diagram of the overall structure of the handling mechanism in the present invention; Figure 3 It is a front view of the overall structure of the transport vehicle in the present invention; Figure 4 It is a schematic diagram of the overall structure of the handling bin in the present invention; Figure 5 It is a sectional view of the overall structure of the handling bin in the present invention; Figure 6 It is a sectional view of the overall structure of the first card slot in the present invention; Figure 7 It is Figure 6 an enlarged view of part A in; Figure 8 It is a schematic diagram of the overall structure of the clamping block in the present invention.

[0019] Description of the drawings: 1. Transport vehicle; 11. Buffer spring; 12. Universal wheel; 13. Support plate; 14. Handle; 2. Handling mechanism; 21. Handling bin; 211. Limiting plate; 212. Pressing column; 213. Sliding groove; 22. Driving column; 23. Driving gear; 24. Threaded column; 241. Driven gear; 242. Moving plate; 243. Clamping plate; 25. Bottom plate; 26. First card slot; 261. Second card slot; 262. Connecting groove; 27. First spring; 271. Extrusion plate; 28. Rotating plate; 281. Thimble; 282. Second spring; 29. Clamping block; 291. Clamping spring; 292. Groove; 293. Convex block. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0021] Please refer to Figure 1 - Figure 8 as shown, the present application provides a handling auxiliary device for transformers in a power grid metering warehouse, including a transport vehicle 1, and further including a handling mechanism 2 arranged on the transport vehicle 1 and a clamping unit arranged in the handling mechanism 2: The handling mechanism 2 is movably arranged above the transport vehicle 1; The handling mechanism 2 includes a handling bin 21; a driving column 22 is rotatably connected inside the handling bin 21; a driving gear 23 is fixedly connected to the driving column 22; two sets of driving gears 23 are provided; a threaded column 24 is rotatably connected to the side wall of the handling bin 21; multiple sets of threaded columns 24 are provided; one end of the threaded column 24 away from the handling bin 21 is fixedly connected with a driven gear 241; the driven gear 241 is meshed and connected with the driving gear 23; a moving plate 242 is threadedly connected to the threaded column 24; a clamping plate 243 is fixedly connected to the moving plate 242; a bottom plate 25 is clamped on the handling bin 21; the clamping plate 243 penetrates through the bottom plate 25 and is arranged thereon; The threaded columns 24 are arranged vertically, respectively arranged at both ends of the handling bin 21, and on both sides of the driving column 22; the moving plate 242 is threadedly connected to the two sets of threaded columns 24; The clamping unit is arranged inside the handling bin 21 and includes a first slot 26, a second slot 261, a connecting slot 262 and a clamping block 29; During operation, in the prior art, during the handling of current transformers, the hook in the above-mentioned device can be used to lift the current transformer, and then the handling device is moved to complete the handling work. However, a problem is found during handling. The above-mentioned handling device only facilitates the fixation of the current transformer during handling, but when moving the current transformer, manual lifting is still required. Moreover, the current transformer cannot be protected during the handling process, and it may be damaged during the movement, increasing the manual labor intensity and being unable to protect the current transformer at the same time. At the same time, the above-mentioned device can only handle one group of current transformers during handling, while the current transformers used in the power grid metering warehouse are generally more than one group. Therefore, when multiple groups of current transformers need to be handled, it cannot be achieved, reducing the handling efficiency. To prevent such incidents from occurring, first, place the handling bin 21 on the transport vehicle 1, and then use the clamping unit in the handling bin 21 to splice the handling bin 21. The splicing quantity depends on the number of current transformers required. When splicing, just snap the block 29 into the first slot 26. After splicing is completed, place the current transformers to be handled into the handling bin 21 one group at a time. Then, the staff drives the driving column 22 at the top of the handling bin 21 to rotate. When rotating, the driving column 22 drives the driven gears 241 on both sides to rotate through the driving gear 23, thereby driving the threaded column 24 to rotate. When the threaded column 24 rotates, it will drive the moving plate 242 connected by threads to move. And the threaded columns 24 are arranged on both sides of the handling bin 21. When the threaded columns 24 move simultaneously, they will drive the moving plates 242 to move towards the middle simultaneously, thereby clamping and fixing the current transformers. And the baffle plates extending from both sides of the handling bin 21 can protect the current transformers. When all the fixations are completed, start moving the transport vehicle 1 to achieve the handling of the current transformers. After reaching the destination, rotate the driving column 22 in the reverse direction, thereby driving the threaded column 24 to rotate in the reverse direction. When rotating, the two moving plates 242 will be released, and the fixation of the current transformers will be released. Then, the current transformers can be taken out.

[0022] As Figure 5 - Figure 8 shown, the first slot 26 is opened on the side wall of the handling bin 21; the second slot 261 is opened below the first slot 26; the connecting slot 262 is opened in the middle of the first slot 26 and the second slot 261 for connecting the first slot 26 and the second slot 261; a first spring 27 is fixedly connected to the side wall of the first slot 26; one end of the first spring 27 away from the first slot 26 is fixedly connected to a pressing plate 271; A groove 292 is opened in the block 29; a clamping spring 291 is fixedly connected in the groove 292; both ends of the clamping spring 291 are fixedly connected to the block 29; a convex block 293 is fixedly connected to the bottom of the block 29; the convex block 293 is inclined; The block 29 is movably clamped in the first slot 26; the convex block 293 is clamped in the connecting slot 262; The clamping block 29 is larger than the first clamping groove 26. During operation, the handling quantity in this device can be determined according to the required number of mutual inductors. For example, if only one group needs to be handled, there is no need to splice the handling bin 21. If multiple groups need to be handled, place another handling bin 21 on the transport vehicle 1, then align the clamping block 29 on the side wall of the other handling bin 21 with the first clamping groove 26. After alignment, push the handling bin 21 so that the clamping block 29 is inserted into the first clamping groove 26. Since the clamping block 29 is larger than the first clamping groove 26, when inserted, the clamping block 29 will be squeezed, and at the same time, the clamping spring 291 will be squeezed, thus causing the clamping block 29 to shrink. When the clamping block 29 enters the first clamping groove 26, the end of the clamping block 29 will squeeze the pressing plate 271 and the first spring 27 in the first clamping groove 26. While squeezing, the clamping block 29 will continue to move inward until the convex block 293 at the bottom of the clamping block 29 moves to the connecting groove 262, and then the clamping spring 291 releases its elastic force and springs the convex block 293 into the connecting groove 262 to achieve the clamping and fixing of the two handling bins 21.

[0023] Such as Figure 6 And Figure 7 As shown, a rotating plate 28 is rotatably connected to the side wall of the second clamping groove 261; a ejector pin 281 is fixedly connected to the rotating plate 28; the ejector pin 281 is arranged in the connecting groove 262; a sliding groove 213 is opened at the top of the handling bin 21; a pressing column 212 is slidably connected in the sliding groove 213; the sliding groove 213 communicates with the second clamping groove 261; one end of the rotating plate 28 away from the ejector pin 281 is hinged to the pressing column 212; a second spring 282 is fixedly connected to the top of the second clamping groove 261; one end of the second spring 282 away from the second clamping groove 261 is fixedly connected to the rotating plate 28; the second spring 282 is arranged at one end away from the ejector pin 281. During operation, when it is necessary to disassemble the spliced handling bin 21, the staff can press the pressing column 212 at the top of the handling bin 21. When pressing, the pressing column 212 drives the rotating plate 28 to move downward. The rotating plate 28 is rotatably connected in the clamping groove and is in a lever connection. When the rotating plate 28 is driven by the pressing column 212 to move downward, it drives the ejector pin 281 on the other side to move upward. When the ejector pin 281 moves upward, it pushes the convex block 293 on the clamping block 29, and when pushing, the convex block 293 is separated from the connecting groove 262, releasing the clamping of the connecting groove 262 on the convex block 293. Subsequently, the first spring 27 loses the squeezing force and rebounds, and uses the pressing plate 271 to eject the handling bin 21, thus realizing the separation of the handling bin 21. And when the rotating plate 28 moves downward, the second spring 282 is also stretched. When the handling bin 21 is separated, cancel the pressing of the pressing column 212, and then the second spring 282 rebounds to make the rotating plate 28 return to its original position.

[0024] Such as Figure 3As shown, a buffer spring 11 is fixedly connected to the transport vehicle 1; multiple groups of the buffer springs 11 are provided; one end of the buffer spring 11 away from the transport vehicle 1 is fixedly connected to a support plate 13; the handling bin 21 is placed on the support plate 13; During operation, when handling, the handling bin 21 is placed on the support plate 13 of the transport vehicle 1, and during movement, buffering of the handling bin 21 is achieved through the buffer springs 11 below the support plate 13, avoiding shaking during the handling process and damaging the instrument transformer.

[0025] As Figure 1 As shown, multiple groups of universal wheels 12 are rotatably provided at the bottom of the transport vehicle 1; a handle 14 is fixedly connected to the side wall of the transport vehicle 1; During operation, the transport vehicle 1 can be pushed through the handle 14 and the universal wheels 12 to achieve the handling of the instrument transformer.

[0026] As Figure 6 As shown, the driving gear 23 and the driven gear 241 are arranged as bevel gears; the threaded column 24 is arranged as a ball screw; During operation, the bevel gears can better achieve the meshing effect, and the ball screw can convert the rotary motion into a linear motion.

[0027] As Figure 5 As shown, a limiting plate 211 is fixedly connected to the side wall of the handling bin 21; the threaded column 24 is rotatably connected within the limiting plate 211 and penetrates through the limiting plate 211; During operation, the limiting plate 211 can provide a supporting effect on the threaded column 24.

[0028] As Figure 6 Multiple groups of the first card slots 26 are provided, corresponding to the card blocks 29; During operation, the connection of the handling bin 21 is achieved by using multiple groups of the first card slots 26, facilitating the handling of multiple groups of instrument transformers.

[0029] Working principle of the present invention: In the prior art, during the handling of transformers, the hook in the above device can be used to lift the transformer, and then the handling device is moved to complete the handling work. However, a problem is found during handling. The above handling device only facilitates the fixation of the transformer during handling, but when moving the transformer, manual lifting is still required, and the transformer cannot be protected during the handling process. There is also a possibility of damaging the transformer during the movement, increasing the manual labor intensity and being unable to protect the transformer at the same time. At the same time, the above device can only handle one group of transformers during handling, while the transformers used in the power grid metering warehouse are generally more than one group. Therefore, when multiple groups of transformers need to be handled, it cannot be achieved, reducing the handling efficiency. To prevent such events from occurring, first, place the handling bin 21 on the transport vehicle 1, and then use the clamping unit in the handling bin 21 to splice the handling bin 21. The splicing quantity depends on the number of transformers required. During splicing, just insert the clamping block 29 into the first clamping groove 26. After splicing is completed, place the transformers to be handled into the handling bin 21 one by one. Then, the staff drives the driving column 22 at the top of the handling bin 21 to rotate. When rotating, the driving column 22 drives the driven gears 241 on both sides to rotate through the driving gear 23, thereby driving the threaded column 24 to rotate. When the threaded column 24 rotates, it will drive the moving plate 242 connected by threads to move. And the threaded columns 24 are arranged on both sides of the handling bin 21. When the threaded columns 24 move simultaneously, they will drive the moving plates 242 to move towards the middle at the same time, thereby clamping and fixing the transformers. And the baffles extending from both sides of the handling bin 21 can protect the transformers. When all fixations are completed, start moving the transport vehicle 1 to achieve the handling of the transformers. After reaching the destination, rotate the driving column 22 in the reverse direction, thereby driving the threaded column 24 to rotate in the reverse direction. When rotating, the two moving plates 242 will be released, and the fixation of the transformers will be released, and then the transformers can be taken out.

[0030] Among them, the handling quantity in this device can be determined according to the required number of mutual inductors. For example, if only one group needs to be handled, there is no need to splice the handling bin 21. When multiple groups need to be handled, place another handling bin 21 on the transport vehicle 1, and then align the clamping block 29 on the side wall of the other handling bin 21 with the first clamping groove 26. After alignment, push the handling bin 21 so that the clamping block 29 is inserted into the first clamping groove 26. Since the clamping block 29 is larger than the first clamping groove 26, when inserted, the clamping block 29 will be squeezed, and at the same time, the clamping spring 291 will be squeezed, so that the clamping block 29 shrinks. When the clamping block 29 enters the first clamping groove 26, the end of the clamping block 29 will squeeze the pressing plate 271 and the first spring 27 in the first clamping groove 26. While being squeezed, the clamping block 29 will continue to move inward until the convex block 293 at the bottom of the clamping block 29 moves to the connecting groove 262, and then the clamping spring 291 releases its elastic force and springs the convex block 293 into the connecting groove 262 to achieve the clamping and fixing of the two handling bins 21. When it is necessary to remove the spliced handling bin 21, the staff can press the pressing column 212 on the top of the handling bin 21. When pressing, the pressing column 212 drives the rotating plate 28 to move downward. The rotating plate 28 is rotatably connected in the clamping groove and is in a lever connection. When the rotating plate 28 is driven by the pressing column 212 to move downward, it drives the thimble 281 on the other side to move upward. When the thimble 281 moves upward, it pushes the convex block 293 on the clamping block 29, and when pushing, the convex block 293 is separated from the connecting groove 262, releasing the clamping of the connecting groove 262 on the convex block 293. Subsequently, the first spring 27 rebounds due to the loss of the squeezing force, and uses the pressing plate 271 to eject the handling bin 21, thus realizing the separation of the handling bin 21. And when the rotating plate 28 moves downward, the second spring 282 is also stretched. When the handling bin 21 is separated, cancel the pressing of the pressing column 212, and then the second spring 282 rebounds to make the rotating plate 28 return to its original position.

[0031] The above has described an embodiment of the present invention in detail, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.

Claims

1. A transformer transport auxiliary device for a power grid metering warehouse, comprising a transport vehicle (1), characterized in that: It further includes a handling mechanism (2) provided on the transport vehicle (1) and a clamping unit provided in the handling mechanism (2): The handling mechanism (2) is movably provided above the transport vehicle (1); The handling mechanism (2) includes a handling bin (21); a driving column (22) is rotatably connected inside the handling bin (21); a driving gear (23) is fixedly connected to the driving column (22); there are two groups of the driving gears (23); a threaded column (24) is rotatably connected to the side wall of the handling bin (21); there are multiple groups of the threaded columns (24); one end of the threaded column (24) away from the handling bin (21) is fixedly connected to a driven gear (241); the driven gear (241) is meshed and connected to the driving gear (23); a moving plate (242) is threadedly connected to the threaded column (24); a clamping plate (243) is fixedly connected to the moving plate (242); a bottom plate (25) is clamped on the handling bin (21); the clamping plate (243) penetrates through the bottom plate (25); The threaded columns (24) are arranged in the upper and lower parts, respectively arranged at both ends of the handling bin (21) and on both sides of the driving column (22); the moving plate (242) is threadedly connected to the two groups of threaded columns (24); The clamping unit is provided inside the handling bin (21) and includes a first slot (26), a second slot (261), a connecting slot (262) and a clamping block (29).

2. The mutual inductor handling auxiliary device for a power grid metering warehouse according to claim 1, characterized in that, The first slot (26) is opened on the side wall of the handling bin (21); the second slot (261) is opened below the first slot (26); the connecting slot (262) is opened in the middle of the first slot (26) and the second slot (261) for connecting the first slot (26) and the second slot (261); a first spring (27) is fixedly connected to the side wall of the first slot (26); one end of the first spring (27) away from the first slot (26) is fixedly connected to a pressing plate (271); A groove (292) is opened inside the clamping block (29); a clamping spring (291) is fixedly connected inside the groove (292); both ends of the clamping spring (291) are fixedly connected to the clamping block (29); a convex block (293) is fixedly connected to the bottom of the clamping block (29); the convex block (293) is inclined; The clamping block (29) is movably clamped inside the first slot (26); the convex block (293) is clamped inside the connecting slot (262); The clamping block (29) is larger than the first slot (26).

3. The mutual inductor handling auxiliary device for a power grid metering warehouse according to claim 2, wherein, A rotating plate (28) is rotatably connected to the side wall of the second card slot (261); a thimble (281) is fixedly connected to the rotating plate (28); the thimble (281) is arranged in the connecting slot (262); a sliding groove (213) is formed at the top of the handling bin (21); a pressing column (212) is slidably connected in the sliding groove (213); the sliding groove (213) communicates with the second card slot (261); one end of the rotating plate (28) away from the thimble (281) is hinged to the pressing column (212); a second spring (282) is fixedly connected to the top of the second card slot (261); one end of the second spring (282) away from the second card slot (261) is fixedly connected to the rotating plate (28); the second spring (282) is arranged at the end away from the thimble (281).

4. The mutual inductor handling auxiliary device for a power grid metering warehouse according to claim 3, wherein, A buffer spring (11) is fixedly connected to the transport vehicle (1); a plurality of groups of buffer springs (11) are provided; one end of the buffer spring (11) away from the transport vehicle (1) is fixedly connected to a support plate (13); the handling bin (21) is placed on the support plate (13).

5. The mutual inductor handling auxiliary device for a power grid metering warehouse according to claim 4, characterized in that, A universal wheel (12) is rotatably arranged at the bottom of the transport vehicle (1); a plurality of groups of universal wheels (12) are provided; a handle (14) is fixedly connected to the side wall of the transport vehicle (1).

6. The mutual inductor handling auxiliary device for a power grid metering storage room according to claim 5, wherein, The driving gear (23) and the driven gear (241) are bevel gears; the threaded column (24) is a ball screw.

7. An auxiliary device for transporting transformers in a power grid metering warehouse according to claim 6, characterized in that, A limiting plate (211) is fixedly connected to the side wall of the handling bin (21); the threaded column (24) is rotatably connected in the limiting plate (211) and penetrates through the limiting plate (211).

8. An auxiliary device for transporting transformers in a power grid metering warehouse according to claim 7, characterized in that, A plurality of groups of the first card slots (26) are provided, corresponding to the card blocks (29).

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