Power distribution cabinet cable sleeve device

Abstract

The utility model belongs to the technical field of sleeve devices, and discloses a power distribution cabinet cable sleeve device, which comprises a sleeve device body, wire conveying devices which are opposite up and down are arranged in the sleeve device body, a plurality of cables are arranged between the sleeve device bodies at two ends, one side of each wire conveying device is provided with a wire combining pipe, and the other side of each wire combining pipe is provided with a wire guiding pipe. A plurality of rolling assemblies are arranged in the wire combining pipe, a lubricating pipe is arranged on one side of the wire combining pipe, a fastening pipe is arranged on one side of the lubricating pipe, and the fastening pipe is sleeved with a pipe sleeve. When a cable enters the lubricating pipe, the liquid outlet pump is started, a lubricant is conveyed to the liquid emitting pipeline, the lubricant is evenly sprayed on the liquid emitting pipeline through a through hole, and therefore the lubricating effect is achieved. And the bristles ensure uniform coating. And the redundant lubricant is pumped back by the infusion pump and is recycled after being filtered. And the lubricant forms a lubricating film between the cable and the pipe sleeve, so that the friction force is reduced, clamping stagnation or dragging is avoided, and the operation efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of cable sleeve devices, specifically relating to a cable sleeve device for a power distribution cabinet. Background Technology

[0002] Cable conduit systems are protective devices specifically designed for cable routing inside and outside distribution cabinets. They are primarily used to ensure safe cable installation, reduce wear and tear, prevent external interference, and improve the overall reliability and safety of the cabling.

[0003] In existing cable conduit installations, cables need to be inserted into the conduit over long distances. During this process, the high dynamic friction coefficient between the cable and the inner wall of the conduit leads to a significant increase in friction. This high friction causes considerable resistance to the cable's movement within the conduit, especially over long distances, making the cable prone to jamming or dragging. This not only severely reduces the efficiency of cable laying but also causes excessive wear on the cable's outer insulation material, thus shortening its lifespan. Furthermore, existing cable conduit installations typically lack effective stress dispersion mechanisms, leading to localized stress concentrations in the cable during long-distance movement, further increasing the risk of cable damage. Utility Model Content

[0004] The purpose of this utility model is to provide a cable sleeve device for power distribution cabinets, so as to solve the problems mentioned in the background art. When using the existing cable sleeve devices, the cable is prone to jamming or dragging due to high friction, which affects the operating efficiency and accelerates the wear of insulation materials, shortening the service life; and the lack of stress dispersion mechanism can easily lead to local stress concentration problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cable conduit device for a power distribution cabinet, comprising: a conduit device body, wherein a transmission device is provided inside the conduit device body with upper and lower opposite transmission devices, multiple cables are arranged between the two ends of the conduit device body, a conduit tube is provided on one side of the transmission device, multiple rolling components are provided inside the conduit tube, a lubrication tube is provided on one side of the conduit tube, a fastening tube is provided on one side of the lubrication tube, and a sleeve is fitted over the fastening tube;

[0006] A storage cylinder is installed on one side of the lubrication pipe. The outlet end of the storage cylinder is connected to an outlet pipe. An outlet pump is installed at the outlet end of the outlet pipe. The outlet end of the outlet pump is connected to a first guide pipe. An overflow pipe is installed at the outlet end of the first guide pipe, and the overflow pipe is located inside the lubrication pipe. A receiving pipe is installed inside the lubrication pipe. The outlet end of the receiving pipe is connected to a second guide pipe. The outlet end of the second guide pipe is connected to a pump. The outlet end of the pump is connected to a third guide pipe. A filter is installed at the outlet end of the third guide pipe. The outlet end of the filter is connected to a fourth guide pipe, and the outlet end of the fourth guide pipe extends into the storage cylinder.

[0007] Preferably, both the liquid overflow pipe and the liquid collection pipe adopt a circular ring structure, and the inner wall surface of both the liquid overflow pipe and the liquid collection pipe are regularly provided with multiple through holes;

[0008] The liquid-ejecting pipe is installed in the front end area of ​​the inner wall of the lubrication pipe, and the liquid-receiving pipe is installed in the rear end area of ​​the inner wall of the lubrication pipe. An annular plate is provided between the liquid-ejecting pipe and the liquid-receiving pipe, and the inner wall of the annular plate is equipped with bristles.

[0009] The transmission device includes a mounting plate, a rotary motor, and a track. The mounting plate is located on one side of the casing device body. The rotary motor is mounted on the outer wall of the casing device body. The output end of the rotary motor is connected to a rotating shaft. The track is sleeved on the outer wall of the rotating shaft, and one end of the track is connected to an electric telescopic rod inside the transmission device.

[0010] Through the above technical solution:

[0011] In use, first, securely install the sleeve on the outside of the fastening pipe to create a channel for subsequent cable conduit operations. Next, place multiple cables in an orderly manner between the cable delivery devices at both ends of the conduit assembly, ensuring accurate cable positioning for easy subsequent operations.

[0012] During cable delivery, the electric telescopic boom is activated, its extension and retraction causing one end of the cable delivery device to move closer to the other. Once the device is close, the cable is clamped by the opposing cable delivery components, ensuring stability during transport and preventing deviation or slippage. Then, the rotary motor is activated, transmitting power to the tracks via a shaft. Driven by the shaft, the tracks move in a circular motion. The two opposing tracks work together to clamp and propel the cable along a predetermined path, achieving continuous cable delivery.

[0013] During transport, the cables first pass through the merging conduit. The rolling components inside the merging conduit ensure smooth movement of the cables during merging, allowing multiple cables to be orderly combined. The merged cables then enter the lubrication pipe. Inside the lubrication pipe, the cables sequentially pass through the overflow pipe, the receive pipe, and the annular plate.

[0014] Simultaneously with the cable entering the lubrication pipe, the discharge pump is activated. The discharge pump draws lubricant from the storage cylinder through the discharge pipe and delivers it to the overflow pipe via the first guide pipe. The overflow pipe, through evenly distributed through-holes on its inner wall, sprays or drips the lubricant evenly onto the cable surface. The bristles on the inner wall of the annular plate contact the cable, further evenly coating the outer wall of the cable with lubricant, ensuring uniform and sufficient coverage.

[0015] For any excess lubricant generated during the coating process, the extraction pump is activated. The pump draws the excess lubricant back from the collection pipe and the second guide pipe. After impurities are removed by a filter, the recovered lubricant is returned to the storage tank through the fourth guide pipe, thus achieving lubricant recycling.

[0016] After thorough lubrication and coating, the cable is systematically pushed into the conduit, completing the entire conduit installation process. During this process, the lubricant pre-coated on the cable surface plays a crucial role. It forms a uniform and stable lubricating film between the cable and the inner wall of the conduit, significantly reducing the coefficient of friction. This lubricating film effectively reduces the resistance of the cable's movement within the conduit, allowing it to pass through more smoothly and preventing jamming or dragging due to excessive friction. Furthermore, the lubricant not only improves conduit installation efficiency but also protects both the cable and the conduit. Reduced friction minimizes mechanical wear on the cable's outer insulation and the conduit's inner wall, extending their service life. Simultaneously, the lubricant absorbs some of the heat generated by friction, lowering the temperature of the cable and conduit, further enhancing operational safety. This optimized conduit installation method allows for quick and accurate cable installation, shortening operation time and improving efficiency. Moreover, the rational use and effective recycling of the lubricant reflects an energy-saving and environmentally friendly design philosophy, providing reliable technical support for the entire cable laying system.

[0017] The rolling assembly includes a groove and balls. The inside of the cable conduit is provided with a special channel for merging multiple cables. The groove is formed on the inner wall of the cable conduit, and the balls are installed in the groove.

[0018] Through the above technical solution:

[0019] In use, when cables pass through the conduit, the conduit has a dedicated channel inside for merging multiple cables. The main function of this channel is to orderly converge multiple cables, ensuring they remain neat and consistent during subsequent lubrication and sheathing operations. This design not only improves operational efficiency but also facilitates subsequent processing steps.

[0020] As the cable passes through the conduit, the balls roll synchronously within the grooves. This ingenious design effectively converts the sliding friction between the cable and the conduit into rolling friction. Compared to sliding friction, rolling friction significantly reduces the frictional force, thereby lowering the resistance the cable encounters as it moves within the conduit. This reduction in friction not only improves the cable's movement efficiency but also reduces wear on the cable's outer insulation material, extending the cable's lifespan.

[0021] Furthermore, the rolling of the balls within the grooves also serves an auxiliary conveying function. The rolling of the balls evenly distributes the force on the cable, preventing deformation or damage caused by localized stress concentration. Simultaneously, the use of rolling friction reduces wear on the inner wall of the conduit, improving its service life and reliability.

[0022] In summary, the design of the conduit and its internal ball bearings and grooves significantly reduces friction by converting sliding friction into rolling friction, thus optimizing the cable transport process. This design not only improves operational efficiency but also provides excellent protection for the cable, laying a solid foundation for subsequent lubrication and conduit operations.

[0023] Preferably, a fixing plate is installed on the side wall of the sleeve device body, and a bearing plate is installed at both ends of the outer wall of the fixing plate. An electric push rod is installed on both ends of the bearing plate, and the output end of the electric push rod at both ends is connected to a clamping plate, and the clamping plate adopts a semi-circular ring structure.

[0024] Specifically, when fixing the sleeve and fastening the tube, the electric actuators located at both ends are activated first. As the core drive device, the electric actuators can output stable and precisely controllable linear motion. Once activated, the extension and retraction of the electric actuators will cause the clamps installed at both ends to open and close accordingly.

[0025] The clamping plates are designed with a semi-circular ring structure, perfectly matching the shape and height of the sleeve to ensure stable and even force distribution during clamping. As the electric push rod advances, the clamping plates at both ends gradually move closer to the sleeve and the fastening tube, ultimately firmly clamping the sleeve onto the fastening tube. The entire clamping process relies on precise mechanical transmission and electric control to ensure uniform distribution of clamping force, effectively preventing deformation or damage to the sleeve or fastening tube due to uneven force distribution.

[0026] The clamping plates secure the sleeve and fastening tube, preventing displacement or detachment of the sleeve during subsequent operations and creating a reliable mechanical connection for the entire sleeve assembly, greatly improving the stability and safety of the device. Furthermore, the electric actuator offers excellent controllability, allowing operators to easily adjust the clamping force to accommodate sleeves of different specifications and materials.

[0027] Furthermore, the coordinated operation of the electric actuator and clamping plate demonstrates an automated and intelligent design philosophy. With the help of electric control, operators can easily complete clamping and releasing operations, significantly improving work efficiency and reducing the labor intensity and errors associated with manual operation.

[0028] In summary, activating the electric actuator and using the clamping plate to hold and secure the sleeve and fastening tube effectively prevents the sleeve from falling off, ensuring the stable and reliable operation of the sleeve device. This design not only improves the level of automation in operation but also provides solid technical support for the entire cable sleeve operation process.

[0029] Compared with the prior art, the beneficial effects of this utility model are:

[0030] (1) This utility model achieves automatic lubrication of cables through a liquid discharge pump, a liquid overflow pipe, and brush bristles. When the cable enters the lubrication pipe, the liquid discharge pump starts, delivering lubricant to the liquid overflow pipe. The liquid overflow pipe evenly sprays lubricant through the through-hole, and the brush bristles ensure even coating. Excess lubricant is pumped back by the liquid extraction pump, filtered, and recycled. The lubricant forms a lubricating film between the cable and the pipe sleeve, reducing friction, preventing jamming or dragging, and improving operating efficiency.

[0031] (2) This utility model achieves the orderly convergence of multiple cables by setting up structures such as a conduit, ball bearings, and grooves. During use, the special grooves in the conduit keep the cables neat and consistent during subsequent operations. When the cables pass through the conduit, the ball bearings roll synchronously in the grooves, converting sliding friction into rolling friction, greatly reducing friction, reducing resistance when the cables move, and avoiding deformation or damage caused by local stress concentration. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of this utility model;

[0033] Figure 2 This is a schematic diagram of the structure of the transmission device of this utility model;

[0034] Figure 3 This is a schematic diagram of the structure of the storage cylinder of this utility model;

[0035] Figure 4 This is a schematic diagram of the liquid collection pipe of this utility model;

[0036] Figure 5This is a schematic diagram of the structure of the clamping plate of this utility model;

[0037] Figure 6 This is a schematic diagram of the structure of the ball bearing of this utility model;

[0038] Figure 7 This is a schematic diagram of the liquid overflow pipe of this utility model;

[0039] In the diagram: 1. Sleeve assembly body; 2. Mounting plate; 3. Rotary motor; 4. Shaft; 5. Track; 6. Electric telescopic rod; 7. Cable; 8. Connecting pipe; 9. Lubrication pipe; 10. Fastening pipe; 11. Sleeve; 12. Groove; 13. Ball bearing; 14. Storage cylinder; 15. Liquid outlet pipe; 16. Liquid outlet pump; 17. First liquid guide pipe; 18. Liquid overflow pipe; 19. Liquid collection pipe; 20. Second liquid guide pipe; 21. Liquid pump; 22. Third liquid guide pipe; 23. Filter; 24. Fourth liquid guide pipe; 25. Through hole; 26. Annular plate; 27. Brush; 28. Fixing plate; 29. ​​Bearing plate; 30. Electric push rod; 31. Clamping plate. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] Please see Figures 1-7 As shown, the present invention provides the following technical solution: a cable sleeve device for a power distribution cabinet, comprising: a sleeve device body 1, a transmission device arranged inside the sleeve device body 1 with the upper and lower opposite sides, a plurality of cables 7 arranged between the two sleeve device bodies 1, a connecting pipe 8 provided on one side of the transmission device, a plurality of rolling components provided inside the connecting pipe 8, a lubrication pipe 9 provided on one side of the connecting pipe 8, a fastening pipe 10 provided on one side of the lubrication pipe 9, and a sleeve 11 covering the fastening pipe 10.

[0042] A storage cylinder 14 is installed on one side of the lubrication pipe 9. The outlet end of the storage cylinder 14 is connected to an outlet pipe 15. An outlet pump 16 is installed at the outlet end of the outlet pipe 15. The outlet end of the outlet pump 16 is connected to a first liquid guiding pipe 17. An outlet pipe 18 is installed at the outlet end of the first liquid guiding pipe 17 and is located inside the lubrication pipe 9. A collection pipe 19 is installed inside the lubrication pipe 9. The outlet end of the collection pipe 19 is connected to a second liquid guiding pipe 20. The outlet end of the second liquid guiding pipe 20 is connected to a liquid pump 21. The outlet end of the liquid pump 21 is connected to a third liquid guiding pipe 22. A filter 23 is installed at the outlet end of the third liquid guiding pipe 22. The outlet end of the filter 23 is connected to a fourth liquid guiding pipe 24 and extends into the storage cylinder 14.

[0043] Furthermore, both the liquid overflow pipe 18 and the liquid collection pipe 19 adopt a circular structure, and the inner wall surfaces of both the liquid overflow pipe 18 and the liquid collection pipe 19 are regularly provided with multiple through holes 25.

[0044] The liquid outlet pipe 18 is installed in the front end area of ​​the inner wall of the lubrication pipe 9, and the liquid collection pipe 19 is installed in the rear end area of ​​the inner wall of the lubrication pipe 9. An annular plate 26 is provided between the liquid outlet pipe 18 and the liquid collection pipe 19, and brush bristles 27 are installed on the inner wall of the annular plate 26.

[0045] The transmission device includes a mounting plate 2, a rotary motor 3, and a track 5. The mounting plate 2 is located on one side of the casing device body 1. The rotary motor 3 is installed on the outer wall of the casing device body 1. The output end of the rotary motor 3 is connected to a rotating shaft 4. The track 5 is sleeved on the outer wall of the rotating shaft 4, and one end of the transmission device is connected to an electric telescopic rod 6.

[0046] Through the above technical solution:

[0047] In use, first, securely install the sleeve 11 on the outside of the fastening pipe 10 to create a channel for subsequent cable 7 sleeve operation. Next, place multiple cables 7 in an orderly manner between the cable transmission devices at both ends of the sleeve device body 1 to ensure accurate cable 7 positioning for easy subsequent operation.

[0048] During cable conveying, the electric telescopic rod 6 is activated, and its extension and retraction movement moves one end of the cable conveying device closer to the other. After the cable conveying device comes together, the cable 7 is clamped by the two opposing cable conveying devices, ensuring that the cable 7 remains stable during conveying and preventing deviation or slippage. Subsequently, the rotary motor 3 is activated, and the rotary motor 3 transmits power to the track 5 through the rotating shaft 4. Driven by the rotating shaft 4, the track 5 performs a circular motion. The two opposing track 5 work together to clamp and push the cable 7 along a predetermined path, realizing the continuous conveying of the cable 7.

[0049] During the transport process, cable 7 first passes through confluence pipe 8. The rolling assembly inside confluence pipe 8 ensures that cable 7 can move smoothly during merging, and multiple cables 7 are merged together in an orderly manner. The merged cable 7 then enters lubrication pipe 9. Inside lubrication pipe 9, cable 7 passes sequentially through liquid outlet pipe 18, liquid collection pipe 19, and annular plate 26.

[0050] As cable 7 enters lubrication pipe 9, discharge pump 16 is activated. Discharge pump 16 draws lubricant from storage cylinder 14 through discharge pipe 15 and delivers it to discharge pipe 18 via first guide pipe 17. Discharge pipe 18, through evenly distributed through-holes 25 on its inner wall, sprays or drips lubricant evenly onto the surface of cable 7. The bristles 27 on the inner wall of annular plate 26 contact cable 7, further evenly coating the outer wall of cable 7 with lubricant, ensuring uniform and sufficient lubricant coverage.

[0051] For any excess lubricant generated during the coating process, pump 21 is activated. Pump 21 draws the excess lubricant back from the collection pipe 19 and the second guide pipe 20. The recovered lubricant is filtered by filter 23 to remove impurities and then transported back to the storage cylinder 14 through the fourth guide pipe 24, thus achieving the recycling of the lubricant.

[0052] After thorough lubrication, the cable 7, once coated with lubricant, is systematically pushed into the sleeve 11, thus completing the entire sleeve operation process. During this process, the lubricant pre-coated on the surface of the cable 7 plays a crucial role. It forms a uniform and stable lubricating film between the cable 7 and the inner wall of the sleeve 11, significantly reducing the coefficient of friction between them. This lubricating film effectively reduces the resistance of the cable 7 as it moves within the sleeve 11, allowing it to pass through more smoothly and preventing jamming or dragging due to excessive friction. Furthermore, the lubricant not only improves the efficiency of the sleeve operation but also protects both the cable 7 and the sleeve 11. Reduced friction reduces damage caused by mechanical wear to the outer insulation material of the cable 7 and the inner wall of the sleeve 11, extending their service life. Simultaneously, the lubricant absorbs some of the heat generated by friction, lowering the temperature of the cable 7 and the sleeve 11, further enhancing operational safety. Through this optimized sleeve operation method, the cable 7 can complete the sleeve process quickly and accurately, shortening operation time and improving work efficiency. Meanwhile, the rational use and effective recycling of lubricants embody the energy-saving and environmentally friendly design concept, providing reliable technical support for the entire cable laying system.

[0053] Please see Figure 1 , Figure 3 and Figure 6 As shown, the rolling assembly includes a groove 12 and balls 13. The inside of the cable conduit 8 is provided with a special channel for merging multiple cables 7. The groove 12 is opened on the inner wall of the cable conduit 8, and the balls 13 are installed in the groove 12.

[0054] Through the above technical solution:

[0055] In use, when cable 7 passes through conduit 8, conduit 8 has a dedicated channel inside for merging multiple cables 7. The main function of this channel is to orderly converge multiple cables 7, ensuring they remain neat and consistent during subsequent lubrication and sleeve operations. This design not only improves operational efficiency but also facilitates subsequent processing steps.

[0056] As the cable 7 passes through the conduit 8, the balls 13 roll synchronously within the grooves 12. This ingenious design effectively converts the sliding friction between the cable 7 and the conduit 8 into rolling friction. Compared to sliding friction, the frictional force of rolling friction is significantly reduced, thereby lowering the resistance of the cable 7 as it moves within the conduit 8. This reduction in friction not only improves the moving efficiency of the cable 7 but also reduces wear on the outer insulation material of the cable 7, extending its service life.

[0057] Furthermore, the rolling of the balls 13 within the groove 12 also serves as an auxiliary conveying function. The rolling of the balls 13 can evenly distribute the force on the cable 7, preventing deformation or damage to the cable 7 due to localized stress concentration. At the same time, the use of rolling friction reduces wear on the inner wall of the conduit 8, improving the service life and reliability of the conduit 8.

[0058] In summary, the design of the conduit 8 and its internal ball bearings 13 and grooves 12 significantly reduces friction by converting sliding friction into rolling friction, thus optimizing the cable 7 transport process. This design not only improves operational efficiency but also provides excellent protection for the cable 7, laying a solid foundation for subsequent lubrication and conduit operations.

[0059] For further details, please refer to Figure 1 and Figure 5 As shown, a fixing plate 28 is installed on the side wall of the sleeve device body 1. A bearing plate 29 is installed at both ends of the outer wall of the fixing plate 28. An electric push rod 30 is installed on both bearing plates 29. The output ends of the electric push rods 30 at both ends are connected to a clamping plate 31, and the clamping plate 31 adopts a semi-circular ring structure.

[0060] Specifically, when fixing the sleeve 11 and fastening tube 10, the electric actuators 30 located at both ends are activated first. As the core drive device, the electric actuators 30 can output stable and precisely controllable linear motion. Once activated, the extension and retraction of the electric actuators 30 will drive the clamps 31 installed at both ends to open and close accordingly.

[0061] The clamping plate 31 is designed as a semi-circular ring structure, which is perfectly matched to the shape and height of the sleeve 11, ensuring stable clamping and uniform force distribution. As the electric push rod 30 is advanced, the clamping plates 31 at both ends gradually move closer to the sleeve 11 and the fastening tube 10, ultimately firmly clamping the sleeve 11 onto the fastening tube 10. The entire clamping process relies on precise mechanical transmission and electric control to ensure uniform distribution of clamping force, effectively preventing deformation or damage to the sleeve 11 or the fastening tube 10 due to uneven force distribution.

[0062] The clamping plate 31 clamps and fixes the sleeve 11 and the fastening tube 10, preventing the sleeve 11 from shifting or falling off during subsequent operations, while also creating a reliable mechanical connection for the entire sleeve device, greatly improving the stability and safety of the device. Moreover, the electric push rod 30 has good controllability, allowing operators to easily adjust the clamping force to adapt to sleeves 11 of different specifications and materials.

[0063] Furthermore, the electric push rod 30 and the clamping plate 31 work together, demonstrating an automated and intelligent design concept. With the help of electric control, operators can easily complete clamping and releasing operations, significantly improving work efficiency and reducing the labor intensity and errors of manual operation.

[0064] In summary, activating the electric push rod 30 and using the clamping plate 31 to clamp and fix the sleeve 11 and the fastening pipe 10 can effectively prevent the sleeve 11 from falling off and ensure the stable and reliable operation of the sleeve device. This design not only improves the level of automation of the operation, but also provides solid technical support for the entire cable sleeve operation process.

[0065] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A switchgear cable bushing arrangement, characterized by, include: The sleeve device body (1) is provided with a transmission device that is arranged in opposite directions. Multiple cables (7) are arranged between the two ends of the sleeve device body (1). A connecting pipe (8) is provided on one side of the transmission device. Multiple rolling components are provided inside the connecting pipe (8). A lubrication pipe (9) is provided on one side of the connecting pipe (8). A fastening pipe (10) is provided on one side of the lubrication pipe (9). A sleeve (11) is sleeved over the fastening pipe (10). A storage cylinder (14) is installed on one side of the lubrication pipe (9). The liquid outlet end of the storage cylinder (14) is connected to a liquid outlet pipe (15). A liquid outlet pump (16) is installed at the liquid outlet end of the liquid outlet pipe (15). The liquid outlet end of the liquid outlet pump (16) is connected to a first liquid guide pipe (17). A liquid overflow pipe (18) is installed at the liquid outlet end of the first liquid guide pipe (17), and the liquid overflow pipe (18) is located inside the lubrication pipe (9). A liquid collection pipe (19) is installed inside the lubrication pipe (9). The liquid collection pipe (19) is connected to a second liquid guide pipe (20) at its outlet end. The liquid guide pipe (20) is connected to a liquid pump (21) at its outlet end. The liquid pump (21) is connected to a third liquid guide pipe (22) at its outlet end. The third liquid guide pipe (22) is equipped with a filter (23) at its outlet end. The filter (23) is connected to a fourth liquid guide pipe (24) at its outlet end. The fourth liquid guide pipe (24) extends into the storage cylinder (14).

2. A power distribution cabinet cable bushing apparatus as defined in claim 1, wherein: Both the liquid-escape pipe (18) and the liquid-collecting pipe (19) adopt a circular structure, and the inner wall surfaces of both the liquid-escape pipe (18) and the liquid-collecting pipe (19) are regularly provided with multiple through holes (25).

3. A power distribution cabinet cable bushing apparatus as defined in claim 2, wherein: The liquid outlet pipe (18) is installed in the front end area of ​​the inner wall of the lubrication pipe (9), and the liquid collection pipe (19) is installed in the rear end area of ​​the inner wall of the lubrication pipe (9). An annular plate (26) is provided between the liquid outlet pipe (18) and the liquid collection pipe (19), and the inner wall of the annular plate (26) is equipped with bristles (27).

4. A power distribution cabinet cable bushing apparatus as defined in claim 3, wherein: The rolling assembly includes a groove (12) and a ball (13). The inside of the merging tube (8) is provided with a special channel for merging multiple cables (7). The groove (12) is opened on the inner wall of the merging tube (8), and the ball (13) is installed in the groove (12).

5. A power distribution cabinet cable bushing apparatus as set forth in claim 1, wherein: The transmission device includes a mounting plate (2), a rotary motor (3) and a track (5). The mounting plate (2) is located on one side of the casing device body (1). The rotary motor (3) is installed on the outer wall of the casing device body (1). The output end of the rotary motor (3) is connected to a rotating shaft (4). The track (5) is sleeved on the outer wall of the rotating shaft (4), and one end of the transmission device is connected to an electric telescopic rod (6).

6. A power distribution cabinet cable bushing apparatus as defined in claim 1, wherein: The side wall of the sleeve device body (1) is equipped with a fixing plate (28). Both ends of the outer wall of the fixing plate (28) are equipped with a bearing plate (29). Both ends of the bearing plate (29) are equipped with an electric push rod (30). The output ends of the electric push rod (30) are connected to a clamping plate (31). The clamping plate (31) adopts a semi-circular ring structure.

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