CN116713227A - A cable surface cleaning device for transmission cables - Google Patents

Abstract

The invention relates to the technical field of cable cleaning, in particular to a cable surface cleaning device for a power transmission cable, which comprises a machine shell, wherein the front side and the rear side of the machine shell are respectively provided with a wire inlet, the front side and the rear side of the machine shell are respectively provided with a guide supporting mechanism, each guide supporting mechanism comprises a guide roller, a cleaning and drying mechanism is arranged in the machine shell and comprises two annular water outlet boxes, the two annular water outlet boxes are respectively arranged at the front part and the middle part in the inner side of the machine shell, and the bottom of the machine shell is provided with a pollution discharge cleaning mechanism. The guide mechanism and the cleaning and drying mechanism arranged in the invention can effectively clean one to three coils of cables synchronously, thereby improving the cleaning efficiency of the cables, and the pollution discharge cleaning mechanism arranged at the bottom end of the inner part of the shell can effectively scrub and stir the accumulated and adhered dirt and impurities at the inner wall and the corner of the bottom of the shell after the cables are cleaned, so that the annular pollution suction box is convenient for sucking and discharging the dirt and impurities.

Description

A cable surface cleaning device for transmission cables

Technical field

The present invention relates to the technical field of cable cleaning, and in particular to a cable surface cleaning device for transmission cables.

Background technique

When the existing cable surface cleaning device cleans the surface oil stains, a pay-off mechanism and a take-up mechanism are respectively provided at the front and rear of the cleaning device, so that the cable can be retracted and retracted simultaneously with cleaning work. , but in this process, only one roll of cable can be cleaned at a time, and multiple rolls of cable cannot be cleaned at the same time, so the cleaning efficiency is low;

At the same time, after the cleaning device finishes cleaning the cables, the sewage collection box below it stores sewage. When the sewage is discharged, since most of the sewage used to clean the cables contains a lot of dirt and impurities, these dirt and impurities can easily accumulate and stick to each other. Attached to the inner wall and corners of the sewage collection box, it is difficult to fully discharge it, thus affecting the overall sewage discharge effect of subsequent cable cleaning.

Contents of the invention

The purpose of the present invention is to propose a cable surface cleaning device for transmission cables in order to solve the shortcomings existing in the background technology.

In order to achieve the above objectives, the technical solution adopted by the present invention is: a cable surface cleaning device for transmission cables, which includes a casing. The front and rear sides of the casing are respectively provided with cable inlets. Guide support mechanisms are respectively provided on the sides. The guide support mechanisms include guide rollers. A cleaning and drying mechanism is provided inside the casing. The cleaning and drying mechanism includes two annular water outlet boxes. The two annular water outlets The boxes are respectively arranged at the front and the middle of the inside of the casing. The bottom of the casing is provided with a sewage cleaning mechanism. The sewage cleaning mechanism includes L-shaped cleaning bristles. The L-shaped cleaning bristles are rotated and arranged on the inner wall of the casing. At the bottom end of the casing, a plurality of legs are fixedly installed on the lower surface of the casing.

Preferably, the guide support mechanism includes a fixed plate, which is fixedly installed on one side of the casing. The inside of the fixed plate is slidably matched with the outer surfaces of the two sliding rods, and one end of the sliding rod is fixedly connected. On the rear side of the support base, a fixed column is fixedly installed on the other end of the sliding rod, and a spring is installed on the outer surface of one of the sliding rods.

Preferably, the two ends of the spring are respectively connected to the lower surface of the fixed column and the rear side of the fixed plate, the inner side of the support seat is rotationally connected to both ends of the rotating shaft, and the guide roller is fixedly sleeved on the outer surface of the rotating shaft. The extension of the guide roller near the bottom end rotates with the inside of the support ring. A lifting plate is fixedly installed on one side of the support ring, and the bottom of the lifting plate is fixedly connected to the extension of the bottom end of the support base.

Preferably, the cleaning and drying mechanism includes two cleaning seats. Bristles are fixedly installed on the inside of the two cleaning seats. Lifting grooves and sliding grooves are respectively provided on both sides of the casing. One of the cleaning seats is Both ends pass through the inside of the two lifting slots, the two ends of the other cleaning seat pass through the inside of the sliding slot, and the two inner ends of the cleaning seat are threadedly matched with the outer surface of the threaded rod and with the support rod. The outer surface of the support rod is slidingly matched, the bottom end of the threaded rod is rotationally connected to the upper surface of one end of the other cleaning seat, the bottom end of the support rod is fixedly connected to the upper surface of the other end of the other cleaning seat, and the threaded rod is The upper end is fixedly equipped with a rotating head.

Preferably, the middle part of the outer surface of the threaded rod is in rotational fit with the inside of one moving block, the middle part of the outer surface of the support rod is fixedly connected to the inside of the other moving block, and the bottoms of the two moving blocks are convex. The two moving blocks are respectively connected to the telescopic ends of the first telescopic cylinder and the first guide rod. The first telescopic cylinder and the first guide rod are respectively connected with each other. The rear end is installed on both sides of the casing through two mounting pieces.

Preferably, a water outlet hole is provided on the inside of the annular water outlet box, the bottom of the annular water outlet box is fixedly connected to the inner bottom end of the casing, and both sides of the annular water outlet box are fixedly installed on the inside of the casing through fixing pieces. , one side of the annular water outlet box is fixedly connected to one end of the water inlet pipe, the other end of the water inlet pipe passes through the inside of a fixing member and one side of the casing in turn, and the upper end of the casing is fixed close to the rear side A ventilation box is installed. A plurality of branch pipes are fixedly installed at the upper end of the ventilation box. The upper ends of the plurality of branch pipes are fixedly connected to one side of the ventilation pipe. A heating sheet is fixedly installed on the inside of the ventilation box near the upper end.

Preferably, the sewage cleaning mechanism includes an annular sewage suction box. A plurality of water suction holes are provided on the inner and outer sides of the annular sewage suction box. One side of the annular sewage suction box is fixedly connected to one end of the water suction pipe. The other end of the water suction pipe passes through one side of the casing. A connecting rod is rotatably installed in the middle of the bottom end of the casing. The upper end of the connecting rod is fixedly connected to the lower surface of the rotating plate. One end of the rotating plate is fixedly connected. On one side of the rotating box, a second telescopic cylinder and a second guide rod are fixedly installed inside the rotating box. The telescopic ends of the second telescopic cylinder and the second guide rod are respectively connected to the bottom ends of the two installation rods, so The other end of the mounting rod is fixedly connected to the rear side of the brush holder, the L-shaped cleaning bristles are fixedly installed on the front and bottom sides of the brush holder, and the bottom end of the connecting rod passes through the bottom of the casing and is fixed by a connecting piece Connect the output shaft of the motor, and the motor is fixedly installed on the bottom of the casing through a mounting bracket.

Compared with the prior art, the present invention has the following beneficial effects:

1. In the present invention, three pay-off mechanisms and three take-up mechanisms are placed in sequence at the front and rear of the device. After that, one end of the cable is passed through the two pay-off mechanisms on the inside of the casing. Inside the annular water outlet box and the two cleaning seats, connect one end of the middle cable to the corresponding take-up mechanism in the middle, and then place the two cables near the two sides of the casing on the front and rear sides of the casing. The lifting plate in the guide support mechanism set at the end, and the spring and guide roller set on the back side of the lifting plate can effectively support and guide the cable while avoiding damage to the cable skin, thereby enabling subsequent installation Cleaning three rolls of cables at one time improves cable cleaning efficiency.

2. In the present invention, after the cable cleaning is completed, the motor is started, and the motor drives the connecting rod to rotate. The connecting rod drives the rotating plate and the rotating box to rotate. The rotating box drives the mounting rod and the brush holder to rotate at the same time. According to the different inner walls of the casing and the The distance between the rotating boxes is different. Start the second telescopic cylinder appropriately to drive the brush holder to move, so that the L-shaped cleaning bristles installed on the brush holder can clean the dirt and impurities adhered to the inner wall and corners at the bottom of the casing. While scrubbing, suction is introduced into the suction pipe, causing the annular suction box to simultaneously suck up and discharge the sewage mixture in the casing.

3. Based on the above-mentioned guiding mechanism and cleaning and drying mechanism provided in the present invention, one to three rolls of cables can be effectively cleaned simultaneously, thereby improving the efficiency of cable cleaning. The sewage cleaning mechanism can effectively brush and stir the dirt and impurities accumulated and adhered to the inner wall and corners of the bottom of the casing after cleaning the cables, thereby making it easier for the annular sewage suction box to suck away and discharge them.

Description of the drawings

Figure 1 is a schematic structural diagram of a cable surface cleaning device for transmission cables according to the present invention;

Figure 2 is a schematic structural diagram of the interior of a cable surface cleaning device for transmission cables according to the present invention;

Figure 3 is a schematic structural diagram of the guide and support mechanism in a cable surface cleaning device for transmission cables according to the present invention;

Figure 4 is a schematic structural diagram of the cleaning seat in a cable surface cleaning device for transmission cables according to the present invention;

Figure 5 is a schematic structural diagram of the ventilation box in a cable surface cleaning device for transmission cables according to the present invention;

Figure 6 is a schematic structural diagram of the sewage cleaning mechanism in a cable surface cleaning device for transmission cables according to the present invention;

Figure 7 is a schematic structural diagram of the actual working of a cable surface cleaning device for transmission cables according to the present invention;

In the picture: 1. Casing; 2. Cable inlet; 3. Guide roller; 4. Support ring; 5. Ring-shaped water outlet box; 6. L-shaped cleaning bristles; 7. Feet; 8. Fixing plate; 9. Sliding rod ; 10. Support seat; 11. Fixed column; 12. Spring; 13. Rotating shaft; 14. Lifting plate; 15. Cleaning seat; 16. Lifting slot; 17. Sliding slot; 18. Threaded rod; 19. Support rod; 20. First telescopic cylinder; 21. First guide rod; 22. Installation piece; 23. Fixing piece; 24. Ventilation box; 25. Branch pipe; 26. Ventilation pipe; 27. Heating piece; 28. Ring-shaped suction box; 29. Water suction hole; 30. Water suction pipe; 31. Connecting rod; 32. Rotating box; 33. Second telescopic cylinder; 34. Second guide rod; 35. Installation rod; 36. Brush holder; 37. Bristles; 38. Motor; 39. Mounting frame; 40. Cable; 41. Moving block; 42. Rotating plate; 43. Water inlet pipe.

Detailed ways

The following description is provided to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments in the following description are only examples, and other obvious modifications may occur to those skilled in the art.

As shown in Figure 1, Figure 3 and Figure 7, a cable surface cleaning device for transmission cables includes a casing 1. The front and rear sides of the casing 1 are respectively provided with cable inlets 2. The front and rear sides of the casing 1 A guide support mechanism is provided at each position. The guide support mechanism includes a guide roller 3. The guide support mechanism includes a fixed plate 8. The fixed plate 8 is fixedly installed on one side of the casing 1. The inside of the fixed plate 8 is in contact with the two sliding rods 9. The outer surface slides and fits. One end of the sliding rod 9 is fixedly connected to the rear side of the support base 10. The other end of the sliding rod 9 is fixedly installed with a fixed column 11. The outer surface of a sliding rod 9 is equipped with a spring 12, and the two ends of the spring 12 are connected respectively. The lower surface of the fixed column 11 is connected to the rear side of the fixed plate 8, and the inner side of the support base 10 is rotationally connected to both ends of the rotating shaft 13. The guide roller 3 is fixedly sleeved on the outer surface of the rotating shaft 13, and the extension of the guide roller 3 near the bottom end is connected with The inner side of the support ring 4 is rotated and matched, a lifting plate 14 is fixedly installed on one side of the support ring 4, and the bottom of the lifting plate 14 is fixedly connected to the bottom extension of the support base 10. The two cables 40 near both sides of the casing 1 are placed correspondingly on the lifting plates 14 in the guide support mechanism provided at the front and rear ends of the casing 1. The springs 12 provided on the rear side of the lifting plate 14 are in contact with each other. The guide roller 3 can effectively support and guide the cable 40 while preventing the cable 40 from being damaged.

As shown in Figures 2, 4 and 5, a cleaning and drying mechanism is provided inside the casing 1. The cleaning and drying mechanism includes two annular water outlet boxes 5. The two annular water outlet boxes 5 are respectively arranged inside the casing 1. In the front and middle of the machine, the cleaning and drying mechanism includes two cleaning seats 15. Bristles 37 are fixedly installed on the inner sides of the two cleaning seats 15. Lifting slots 16 and sliding slots 17 are respectively provided on both sides of the casing 1, and a cleaning seat 15 is provided. The two ends of the seat 15 pass through the inside of the two lifting grooves 16, the two ends of the other cleaning seat 15 pass through the inside of the sliding groove 17, and the inner two ends of the cleaning seat 15 are threadedly matched with the outer surface of the threaded rod 18. And slidingly cooperates with the outer surface of the support rod 19, the bottom end of the threaded rod 18 is rotationally connected to the upper surface of one end of the other cleaning seat 15, and the bottom end of the support rod 19 is fixedly connected to the upper surface of the other end of the other cleaning seat 15. The upper end of the threaded rod 18 is fixedly equipped with a rotating head. The middle part of the outer surface of the threaded rod 18 is rotationally matched with the inside of one moving block 41. The middle part of the outer surface of the support rod 19 is fixedly connected with the inside of another moving block 41. Two The bottom protrusions of the moving block 41 are slidingly matched with the chute provided on both sides of the casing 1. Both sides of the two moving blocks 41 are respectively connected to the telescopic ends of the first telescopic cylinder 20 and the first guide rod 21. The rear ends of the telescopic cylinder 20 and the first guide rod 21 are respectively installed on both sides of the casing 1 through two mounting pieces 22. A water outlet hole is provided on the inside of the annular water outlet box 5, and the bottom of the annular water outlet box 5 is fixedly connected to the casing. 1 at the inner bottom. While the cable 40 is moving inside the casing 1, the cleaning agent is passed through a water inlet pipe 43 to an annular water outlet box 5 on the inside of the casing 1 near the front. The annular water outlet box 5 then sprays the cleaning agent to the three cables. 40 surface, rotate the threaded rod 18 at the same time, so that a cleaning seat 15 approaches the lower cleaning seat 15, so that the bristles 37 installed on the inside of the two are close to the outer surfaces of the three cables 40, and the first telescopic cylinder 20 is started, so that the two The cleaning seat 15 drives the bristles 37 to scrub the dirt and detergent on the outer surface of the cable 40 laterally, and then passes the cleaning water through another water inlet pipe 43 to another annular water outlet box 5 near the middle of the inner side of the casing 1. Another annular water outlet box 5 rinses the cleaned cable 40 with dirt and cleaning agent.

Both sides of the annular water outlet box 5 are fixedly installed on the inside of the casing 1 through fixing pieces 23. One side of the annular water outlet box 5 is fixedly connected to one end of the water inlet pipe 43, and the other end of the water inlet pipe 43 passes through the inside of a fixing piece 23 in turn. On one side of the casing 1, a ventilation box 24 is fixedly installed on the upper end of the casing 1 and close to the rear side. A plurality of branch pipes 25 are fixedly installed on the upper end of the ventilation box 24, and the upper ends of the plurality of branch pipes 25 are fixedly connected to the ventilation pipe 26. On one side, a heating plate 27 is fixedly installed on the inner side of the ventilation box 24 near the upper end. Wind is introduced into the ventilation box 24 through the ventilation pipe 26 and a plurality of branch pipes 25, and the heating sheet 27 is activated. The wind is converted into hot air through the heating sheet 27, and the surface moisture of the passing cables 40 is dried.

As shown in Figures 2 and 6, a sewage cleaning mechanism is provided at the bottom of the casing 1. The sewage cleaning mechanism includes L-shaped cleaning bristles 6. The L-shaped cleaning bristles 6 are rotated and arranged at the bottom end of the inner wall of the casing 1. The sewage cleaning mechanism The cleaning mechanism includes an annular dirt suction box 28. A plurality of water suction holes 29 are provided on the inner and outer sides of the annular dirt suction box 28. One side of the annular dirt suction box 28 is fixedly connected to one end of the water suction pipe 30, and the other end of the water suction pipe 30 passes through Through one side of the casing 1, a connecting rod 31 is rotatably installed in the middle of the bottom end of the casing 1. The upper end of the connecting rod 31 is fixedly connected to the lower surface of the rotating plate 42, and one end of the rotating plate 42 is fixedly connected to one side of the rotating box 32. , the second telescopic cylinder 33 and the second guide rod 34 are fixedly installed inside the rotating box 32. The telescopic ends of the second telescopic cylinder 33 and the second guide rod 34 are respectively connected to the bottom ends of the two installation rods 35. The installation rods 35 The other end is fixedly connected to the rear side of the brush holder 36. The L-shaped cleaning bristles 6 are fixedly installed on the front and bottom sides of the brush holder 36. The bottom end of the connecting rod 31 passes through the bottom of the casing 1 and is fixedly connected to the motor 38 through the connecting piece. The output shaft of the motor 38 is fixedly installed on the bottom of the casing 1 through the mounting bracket 39. A plurality of feet 7 are fixedly installed on the lower surface of the casing 1. Start the motor 38, the motor 38 drives the connecting rod 31 to rotate, the connecting rod 31 drives the rotating plate 42 and the rotating box 32 to rotate, the rotating box 32 drives the mounting rod 35 and the brush holder 36 to rotate, and at the same time, according to the different inner walls and rotation of the casing 1 The distance between the boxes 32 is different. Start the second telescopic cylinder 33 appropriately to drive the brush holder 36 to move, so that the L-shaped cleaning bristles 6 installed on the brush holder 36 adhere to the inner wall and corners of the bottom end of the casing 1 The dirt and impurities are brushed away, and at the same time, suction is introduced into the suction pipe 30 so that the annular suction box 28 simultaneously sucks away and discharges the sewage mixture in the casing 1 .

During use, three pay-off mechanisms and three take-up mechanisms are placed in sequence at the front and rear of the device, and then one end of the cable 40 is passed through the two pay-off mechanisms on the inside of the casing 1 in sequence. Inside the annular water outlet box 5 and the two cleaning seats 15, connect one end of the middle cable 40 to the corresponding take-up mechanism in the middle, and then place the two cables 40 on both sides of the casing 1 correspondingly. On the lifting plate 14 in the guide support mechanism provided at the front and rear ends of the casing 1, the spring 12 and the guide roller 3 provided on the rear side of the lifting plate 14 can effectively support and guide the cable 40 while avoiding The skin of the cable 40 is damaged, connect the two cables 40 to the take-up mechanisms on the corresponding sides of the rear of the casing 1, activate the pay-off mechanism and the take-up mechanism, so that the cables 40 move inside the casing 1. The cleaning agent is passed through a water inlet pipe 43 to an annular water outlet box 5 on the inside of the casing 1 near the front. The annular water outlet box 5 then sprays the cleaning agent onto the surfaces of the three cables 40 and simultaneously rotates the threaded rod 18 to make a clean The base 15 approaches the cleaning seat 15 below, so that the bristles 37 installed on the inside of the two are close to the outer surfaces of the three cables 40, and the first telescopic cylinder 20 is started, so that the two cleaning seats 15 drive the bristles 37 to the outer surface of the cables 40 The dirt and detergent are scrubbed horizontally, and then the cleaning water is passed into another annular water outlet box 5 on the inside of the casing 1 near the middle through another water inlet pipe 43. The other annular water outlet box 5 then cleans the cleaned lines. The cable 40 is flushed with dirt and cleaning agent, and then air is introduced into the ventilation box 24 through the ventilation pipe 26 and multiple branch pipes 25, and the heating piece 27 is started. The wind is converted into hot air through the heating piece 27, and the passing cables 40 are Carry out the surface moisture drying operation. After cleaning the cable 40, start the motor 38. The motor 38 drives the connecting rod 31 to rotate. The connecting rod 31 drives the rotating plate 42 and the rotating box 32 to rotate. The rotating box 32 then drives the installation rod 35 and the brush holder. While 36 rotates, according to the different distances between the different inner walls of the casing 1 and the rotating box 32, the second telescopic cylinder 33 is appropriately started to drive the brush holder 36 to move, so that the L-shaped cleaning bristles 6 installed on the brush holder 36 Brush the dirt and impurities adhered to the inner wall and corners of the bottom end of the casing 1. At the same time, introduce suction into the suction pipe 30 so that the annular suction box 28 simultaneously sucks away the sewage mixture in the casing 1. discharge.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and descriptions is only the principle of the present invention. The present invention may also have various modifications without departing from the spirit and scope of the present invention. changes and improvements that fall within the scope of the claimed invention. The scope of protection required for the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A cable surface cleaning device for transmission cables, including a casing (1), characterized in that: the front and rear sides of the casing (1) are respectively provided with cable inlets (2), and the casing (1) 1) are provided with guide support mechanisms at the front and rear sides respectively. The guide support mechanism includes guide rollers (3). A cleaning and drying mechanism is provided inside the casing (1). The cleaning and drying mechanism includes two An annular water outlet box (5), the two annular water outlet boxes (5) are respectively arranged at the front and the middle of the inside of the casing (1), and a sewage cleaning mechanism is provided at the bottom of the casing (1) , the sewage cleaning brush mechanism includes L-shaped cleaning bristles (6). The L-shaped cleaning bristles (6) are rotationally installed at the bottom end of the inner wall of the casing (1). The lower surface of the casing (1) is fixedly installed with Multiple legs (7). 2. A cable surface cleaning device for transmission cables according to claim 1, characterized in that: the guide support mechanism includes a fixed plate (8), and the fixed plate (8) is fixedly installed on the casing ( 1), the inside of the fixed plate (8) is slidingly matched with the outer surfaces of the two sliding rods (9), and one end of the sliding rod (9) is fixedly connected to the rear side of the support seat (10), so The other end of the sliding rod (9) is fixedly installed with a fixing post (11), and a spring (12) is installed on the outer surface of one of the sliding rods (9). 3. A cable surface cleaning device for transmission cables according to claim 2, characterized in that: the two ends of the spring (12) are connected to the lower surface of the fixed column (11) and the fixed plate (8) respectively. On the rear side of the support seat (10), the inner side of the support seat (10) is rotationally connected to both ends of the rotating shaft (13). The guide roller (3) is fixedly mounted on the outer surface of the rotating shaft (13). The guide roller (3) The extension near the bottom end rotates with the inside of the support ring (4). A lifting plate (14) is fixedly installed on one side of the support ring (4), and the bottom of the lifting plate (14) is fixedly connected to the support base. The bottom extension of (10). 4. A cable surface cleaning device for transmission cables according to claim 1, characterized in that: the cleaning and drying mechanism includes two cleaning seats (15), and the two cleaning seats (15) Bristles (37) are fixedly installed on the inside. Lifting slots (16) and sliding slots (17) are respectively provided on both sides of the casing (1). The two ends of a cleaning seat (15) pass through the two lifting slots. The inside of the groove (16), the two ends of the other cleaning seat (15) pass through the inside of the sliding groove (17), and the two ends of the inside of the cleaning seat (15) are respectively connected with the threaded rod (18) The outer surface is threaded and slidably matched with the outer surface of the support rod (19). The bottom end of the threaded rod (18) is rotationally connected to the upper surface of one end of the other cleaning seat (15). The support rod (19) The bottom end is fixedly connected to the upper surface of the other end of the other cleaning seat (15), and the upper end of the threaded rod (18) is fixedly equipped with a rotating head. 5. A cable surface cleaning device for transmission cables according to claim 4, characterized in that: the middle part of the outer surface of the threaded rod (18) rotates with the inside of a moving block (41), so The middle part of the outer surface of the support rod (19) is fixedly connected to the inside of another moving block (41), and the bottom protrusions of the two moving blocks (41) are respectively connected with the holes on both sides of the casing (1). The chute is slidingly matched, and both sides of the two moving blocks (41) are respectively connected to the telescopic ends of the first telescopic cylinder (20) and the first guide rod (21). The first telescopic cylinder (20) and the first The rear end of the guide rod (21) is installed on both sides of the casing (1) through two mounting pieces (22). 6. A cable surface cleaning device for transmission cables according to claim 5, characterized in that: a water outlet hole is provided on the inside of the annular water outlet box (5), and the bottom of the annular water outlet box (5) Fixedly connected to the inner bottom end of the casing (1), both sides of the annular water outlet box (5) are fixedly installed on the inner side of the casing (1) through fixing pieces (23). One end of the water inlet pipe (43) is fixedly connected to one side, and the other end of the water inlet pipe (43) passes through the inside of a fixing member (23) and one side of the casing (1) in sequence. The casing (1) A ventilation box (24) is fixedly installed at the upper end and near the rear side. A plurality of branch pipes (25) are fixedly installed at the upper end of the ventilation box (24). The upper ends of the plurality of branch pipes (25) are fixedly connected to ventilation pipes (25). 26), a heating plate (27) is fixedly installed on the inner side of the ventilation box (24) near the upper end. 7. A cable surface cleaning device for transmission cables according to claim 1, characterized in that: the sewage cleaning mechanism includes an annular sewage suction box (28), and the annular sewage suction box (28) A plurality of water suction holes (29) are provided inside and outside respectively. One side of the annular dirt suction box (28) is fixedly connected to one end of the water suction pipe (30), and the other end of the water suction pipe (30) passes through the casing ( 1), a connecting rod (31) is rotatably installed in the middle of the bottom end of the casing (1), and the upper end of the connecting rod (31) is fixedly connected to the lower surface of the rotating plate (42). One end of the plate (42) is fixedly connected to one side of the rotating box (32). A second telescopic cylinder (33) and a second guide rod (34) are fixedly installed inside the rotating box (32). The telescopic ends of the cylinder (33) and the second guide rod (34) are respectively connected to the bottom ends of the two installation rods (35), and the other end of the installation rod (35) is fixedly connected to the rear side of the brush seat (36), so The L-shaped cleaning bristles (6) are fixedly installed on the front and bottom sides of the brush holder (36), and the bottom end of the connecting rod (31) passes through the bottom of the casing (1) and is fixedly connected to the motor ( 38), the motor (38) is fixedly installed at the bottom of the casing (1) through the mounting bracket (39).