Photovoltaic cable termination polishing device

Abstract

A photovoltaic cable termination polishing device, comprising a base (1), universal wheels (11) being fixedly connected to the bottom of the base (1); connecting rods (12) are fixedly connected to the top of the base (1), there being a plurality of connecting rods (12); a workbench (13) is fixedly connected to the ends of the connecting rods (12) away from the base (1); a main motor (14) is fixedly connected to the center of the top of the base (1); a polishing mechanism (2) and a clamping mechanism (3) are fixedly connected to the top of the workbench (13); a cleaning mechanism (4) is fixedly connected to the inner wall of the workbench (13); the polishing mechanism (2) comprises a rotating disc (21) and abrasive paper (22), the rotating disc (21) being sleeved on and fixedly connected to an output end of the main motor (14), and the abrasive paper (22) being fixedly connected to the bottom of the rotating disc (21). When the photovoltaic cable termination polishing device is in operation, the polishing mechanism (2) fixes cable terminations in position by means of telescopic pillars (23) and support plates (28), and the workbench (13) is provided with a plurality of telescopic pillars (23), so as to polish a plurality of cable terminations simultaneously, thus improving working efficiency.

Description

Photovoltaic cable end polishing device Technical Field

[0001] The invention relates to the technical field of polishing, in particular to a photovoltaic cable end polishing device. Background Art

[0002] Photovoltaic refers to solar photovoltaic power generation technology, which uses the photovoltaic effect to convert solar energy into electrical energy. Photovoltaic power generation is one of the most mature and widely used renewable energy sources. The principle of photovoltaic power generation is based on the photovoltaic effect. When sunlight strikes a photovoltaic cell, the photons in the beam excite the semiconductor material within the cell, generating an electric current. This photoelectric conversion process converts solar energy into direct current (DC) electricity via the photovoltaic cell. An inverter then converts the DC electricity into alternating current (AC), which is then supplied to the power grid or used for self-use in homes and businesses. Photovoltaic cable ends are key components used to connect photovoltaic cables to photovoltaic modules. They are typically made of high-quality materials to provide a reliable electrical connection and mechanical strength. During the production process, the ends of photovoltaic cables are polished to ensure the quality of the electrical connection.

[0003] After the circuit is damaged, staff need to disassemble and repair the cable circuit. The ends of the photovoltaic cables are very easy to rust after being corroded by other metals and water vapor. Therefore, after repairing the photovoltaic cables, maintenance personnel need to polish the ends of the photovoltaic cables. However, portable polishing equipment is difficult to process multiple ends at one time, resulting in low maintenance efficiency. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a photovoltaic cable end polishing device, comprising a base, the bottom of the base is fixedly connected to a universal wheel, the top of the base is fixedly connected to a connecting rod, a plurality of connecting rods are provided, one end of the connecting rod away from the base is fixedly connected to a workbench, a main motor is fixedly connected to the top center of the base, a grinding mechanism and a clamping mechanism are fixedly connected to the top of the workbench, and a cleaning mechanism is fixedly connected to the inner wall of the workbench;

[0005] The grinding mechanism includes a turntable and sandpaper. The turntable is sleeved and fixedly connected to the output end of the main motor, and the sandpaper is fixedly connected to the bottom of the turntable.

[0006] Furthermore, the grinding mechanism also includes a telescopic column, a dome boss and a spring 1. A groove is provided on the top of the workbench. The telescopic column is slidably connected to the inner wall of the groove. The dome boss is fixedly connected to the top of the telescopic column. The spring 1 is fixedly connected to the bottom of the telescopic column. The end of the spring 1 away from the telescopic column is fixedly connected to the bottom of the inner wall of the groove.

[0007] Furthermore, the grinding mechanism also includes a fixed block, a second spring and a top plate. The fixed block is fixedly connected to the top of the workbench. The fixed blocks are in groups of two and the two fixed blocks are symmetrically arranged on both sides of the center of the telescopic column. There are multiple groups of fixed blocks. The second spring is fixedly connected to the side of the fixed block. The top plate is fixedly connected to the end of the second spring away from the fixed block. The grinding mechanism uses the telescopic column and the top plate to fix the cable end in a suitable position. The workbench contains multiple telescopic columns, which can grind multiple cable ends at the same time, thereby improving the work efficiency of the staff.

[0008] Furthermore, the polishing mechanism and the clamping mechanism are both located on the outside of the top of the workbench, the clamping mechanism is located on the outside of the polishing mechanism, and the cleaning mechanism is located at the top center of the workbench.

[0009] Furthermore, the clamping mechanism includes a rotating column, a clamping plate and a spring three. The rotating column is fixedly connected to the top of the workbench. Two rotating columns are provided and symmetrically arranged on both sides of the center of the telescopic column. The clamping plate is rotatably connected to the side of the rotating column. The two ends of the spring three are respectively fixedly connected to the opposite sides of the two clamping plates.

[0010] Furthermore, the clamping mechanism also includes a pressing plate, a support rod, a support head, a triangular plate and a slot. The pressing plate is rotatably connected to the top of the workbench through a bracket. The pressing plate is located directly below the clamping plate. The support rod is fixedly connected to one end of the pressing plate close to spring three. The function of the clamping mechanism is to use the clamping plate to clamp the cable to prevent the cable from running and affecting the polishing of the end.

[0011] Furthermore, two support heads are provided and are fixedly connected to the two ends of the support rod respectively, the triangular plate is fixedly connected to the side of the clamping plate, the slot is opened at the top of the side of the triangular plate, and the support head is slidably connected to the side of the triangular plate and the inner wall of the slot.

[0012] Furthermore, the cleaning mechanism includes a protective shell 1, a protective shell 2, a connecting frame and a sleeve. The protective shell 1 is fixedly connected to the inner wall of the workbench, and the protective shell 2 is slidably connected to the side of the output end of the main motor. There are multiple connecting frames, and the upper and lower ends of the connecting frames are respectively fixedly connected to the inner walls of the protective shell 1 and the protective shell 2. The sleeve is sleeved and slidably connected to the side of the output end of the main motor. The end of the connecting frame away from the protective shell 1 and the protective shell 2 is fixedly connected to the outer wall of the sleeve. The main function of the cleaning mechanism is to absorb and clean the dust generated by grinding the end.

[0013] Furthermore, the cleaning mechanism also includes a movable plate, a spring four, a push rod and a top plate, the movable plate is sleeved and slidably connected to the outer wall of the sleeve, the side of the movable plate away from the sleeve is slidably connected to the inner wall of the protective shell one, the spring four is fixedly connected to the top of the movable plate, the end of the spring four away from the movable plate is fixedly connected to the bottom of the connecting frame, the push rod is fixedly connected to the bottom of the movable plate, the top plate is sleeved and fixedly connected to the side of the output end of the main motor, and the end of the push rod away from the movable plate is slidably connected to the top of the top plate.

[0014] Furthermore, the cleaning mechanism also includes a dust suction component, which includes a sliding cylinder, a dust suction shell, a dust suction hole and bristles. The top and bottom of the sliding cylinder are respectively slidably connected to the bottom of the second protective shell and the top of the first protective shell through guide rails. The dust suction shell is connected to the outer wall of the sliding cylinder. There are two groups of dust suction holes and they are respectively opened on the end face and one side of the bottom of the dust suction shell. The bristles are fixedly connected to the other side of the bottom of the dust suction shell. The top of the dust suction shell is sleeved by a bracket and fixedly connected to the side of the output end of the main motor.

[0015] The present invention provides a photovoltaic cable end polishing device, which has the following beneficial effects:

[0016] 1. A photovoltaic cable end polishing device is provided with a grinding mechanism. In order to solve the problem that multiple ends cannot be polished at the same time, the polishing device is provided with multiple grinding points on the workbench to share a piece of sandpaper. When the end needs to be polished, the end is inserted into the sandpaper and the dome boss. The telescopic column is squeezed by spring 1 to push the dome boss onto the circular hole in the center of the cable end. The top plate clamps the outside of the end under the action of spring 2, and then the main motor is started. The main motor drives the turntable and sandpaper to rotate, so as to achieve the purpose of polishing the cable end. The workbench contains multiple telescopic columns, which can fix and polish multiple cable ends at the same time, thereby improving the work efficiency of the staff.

[0017] 2. This photovoltaic cable end polishing device is provided with a clamping mechanism that should keep the cable still when polishing the end to prevent the cable from shaking and affecting the polishing of the end. Before polishing the end, the pressing plate is moved. After the pressing plate is moved, the support head slides out of the slot and slides down along the side of the triangle plate. The support of the support rod is lost, and the clamping plate opens under the action of spring three. At this time, the cable is placed between the two clamping plates, and then the pressing plate is moved again. The support head opens one side of the clamping plate, and the other side clamps the cable after rotation, thereby clamping and fixing the wire part of the cable, avoiding the wire part of the cable affecting the polishing of the end.

[0018] 3. This photovoltaic cable end polishing device is provided with a dust suction hole. During the polishing process, a lot of metal dust will be generated, which is harmful to the human body. The dust suction hole can absorb the dust. After the main motor is started, the top plate rotates accordingly. During the rotation of the top plate, the top of the top plate will intermittently squeeze the push rod. After the push rod is squeezed, the movable plate is driven to move up. After the push rod loses the squeeze, the movable plate drives the push rod to move down due to the spring four, thereby generating negative pressure inside the protective shell one and the protective shell two. The dust suction hole of the dust suction shell absorbs the dust generated by polishing on the workbench through the suction force generated by the negative pressure, thereby achieving the purpose of using the dust suction hole to clean floating dust.

[0019] 4. This photovoltaic cable end polishing device is equipped with bristles. In addition to floating dust, there is also some dust falling on the workbench, and the bristles can clean the dust. After the main motor rotates, it drives the sliding cylinder to rotate, and then the bristles at the bottom of the dust collection shell continuously sweep and stir up the fallen dust as the dust collection shell rotates with the sliding cylinder. The dust stirred up by the bristles is absorbed by the dust collection holes, and some of it is adsorbed on the bristles, thereby achieving the purpose of cleaning the fallen dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG1 is a schematic diagram of the structure of a turntable according to the present invention;

[0021] FIG2 is a schematic structural diagram of a photovoltaic cable end polishing device according to the present invention;

[0022] FIG3 is a schematic diagram of the telescopic column structure of the present invention;

[0023] FIG4 is a schematic structural diagram of the clamping mechanism of the present invention;

[0024] FIG5 is a schematic structural diagram of the cleaning mechanism of the present invention;

[0025] FIG6 is a schematic diagram of the top plate structure of the present invention;

[0026] FIG7 is a schematic structural diagram of the dust collecting component of the present invention;

[0027] FIG8 is a schematic diagram of the cross-sectional structure of the protective shell 1 and the protective shell 2 of the present invention.

[0028] In the figure: 1. base; 11. universal wheel; 12. connecting rod; 13. workbench; 14. main motor; 2. grinding mechanism; 21. turntable; 22. sandpaper; 23. telescopic column; 24. dome boss; 25. spring 2; 26. fixed block; 27. spring 1; 28. top plate; 3. clamping mechanism; 31. rotating column; 32. clamping plate; 33. spring 3; 34. pressing plate; 35. support rod; 36. support head; 37. triangle plate; 38. slot; 4. cleaning mechanism; 41. protective shell 1; 42. protective shell 2; 43. connecting frame; 44. sleeve; 45. movable plate; 46. spring 4; 47. push rod; 48. top plate; 49. dust collection component; 491. sliding cylinder; 492. dust collection shell; 493. dust collection hole; 494. brush. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Referring to Figures 1-4, the present invention provides a technical solution: a photovoltaic cable end polishing device, comprising a base 1, a universal wheel 11 fixedly connected to the bottom of the base 1, a connecting rod 12 fixedly connected to the top of the base 1, a plurality of connecting rods 12 being provided, a workbench 13 fixedly connected to one end of the connecting rod 12 away from the base 1, a main motor 14 fixedly connected to the top center of the base 1, a polishing mechanism 2 and a clamping mechanism 3 fixedly connected to the top of the workbench 13, and a cleaning mechanism 4 fixedly connected to the inner wall of the workbench 13;

[0031] The grinding mechanism 2 includes a turntable 21 and sandpaper 22. The turntable 21 is sleeved and fixedly connected to the output end of the main motor 14. The sandpaper 22 is fixedly connected to the bottom of the turntable 21. The grinding mechanism 2 also includes a telescopic column 23, a dome boss 24 and a spring 1 27. A groove is provided on the top of the workbench 13. There are multiple grooves. The telescopic column 23 is slidably connected to the inner wall of the groove. The dome boss 24 is fixedly connected to the top of the telescopic column 23. The spring 1 27 is fixedly connected to the bottom of the telescopic column 23. The end of the spring 1 27 away from the telescopic column 23 is fixedly connected to the bottom of the inner wall of the groove. The grinding mechanism 2 also includes a fixed block 26, a spring 25 and a top plate 28. The fixed block 26 is fixedly connected to the top of the workbench 13. The fixed blocks 26 are grouped in two and the two fixed blocks 26 are symmetrically arranged on both sides of the center of the telescopic column 23. There are multiple groups of fixed blocks 26. The spring 25 is fixedly connected to the side of the fixed block 26. The top plate 28 is fixedly connected to the end of the spring 25 away from the fixed block 26.

[0032] When the end needs to be polished, the end is inserted into the sandpaper 22 and the dome boss 24. The telescopic column 23 is squeezed by the spring 1 27 to push the dome boss 24 onto the circular hole in the center of the cable end. The top plate 28 clamps the outside of the end under the action of the spring 2 25. Then the main motor 14 is started, and the main motor 14 drives the turntable 21 and the sandpaper 22 to rotate to polish the end. Each groove is provided with a telescopic column 23, so the equipment can polish multiple ends at one time, thereby improving the work efficiency of the workers.

[0033] The grinding mechanism 2 and the clamping mechanism 3 are both located on the top outside of the workbench 13. The clamping mechanism 3 is located on the outside of the grinding mechanism 2. The cleaning mechanism 4 is located at the top center of the workbench 13. The wires of the cable are fixed by the clamping mechanism 3, and the end part is ground and fixed by the grinding mechanism 2. The dust generated by grinding is cleaned by the cleaning mechanism 4.

[0034] The cam 36 is fixed on the top of the workbench 13 and the cam 37 is fixed on the top of the workbench 13. The cam 36 is fixed on the top of the workbench 13 and the cam 37 is fixed on the top of the workbench 13. The cam 36 is fixed on the top of the workbench 13 and the cam 37 is fixed on the top of the workbench 13.

[0035] Before polishing the end, the pressing plate 34 is moved. After the pressing plate 34 is moved, the support head 36 slides out of the slot 38 and slides down along the side of the triangle plate 37. The side of the triangle plate 37 is from wide to narrow, so after losing the support of the support rod 35, the spring three 33 pulls one side of the clamping plate 32, and then the other side rotates around the rotating column 31 and then opens. Then the cable is placed between the two clamping plates 32, and then the pressing plate 34 is moved again. The support head 36 moves up and is clamped into the slot 38 again. The support head 36 opens one side of the clamping plate 32, and the other side clamps the cable after rotation, thereby clamping and fixing the wire part of the cable.

[0036] Please refer to Figures 1 to 8. The present invention provides a technical solution: the cleaning mechanism 4 includes a protective shell 1 41, a protective shell 2 42, a connecting frame 43 and a sleeve 44. The protective shell 1 41 is fixedly connected to the inner wall of the workbench 13, and the protective shell 2 42 is slidably connected to the side of the output end of the main motor 14. There are multiple connecting frames 43, and the upper and lower ends of the connecting frames 43 are respectively fixedly connected to the inner walls of the protective shell 1 41 and the protective shell 2 42. The sleeve 44 is sleeved and slidably connected to the side of the output end of the main motor 14, and one end of the connecting frame 43 away from the protective shell 1 41 and the protective shell 2 42 is fixedly connected to the outer wall of the sleeve 44. The cleaning mechanism 4 also includes a movable plate 45, a spring four 46, a push rod 47 and a top plate 48. The movable plate 45 is sleeved and slidably connected to the outer wall of the sleeve 44, and the side of the movable plate 45 away from the sleeve 44 is slidably connected to the inner wall of the protective shell 41. The spring four 46 is fixedly connected to the top of the movable plate 45, and the end of the spring four 46 away from the movable plate 45 is fixedly connected to the bottom of the connecting frame 43. The push rod 47 is fixedly connected to the bottom of the movable plate 45. The top plate 48 is sleeved and fixedly connected to the side of the output end of the main motor 14, and the end of the push rod 47 away from the movable plate 45 is slidably connected to the top of the top plate 48.

[0037] After the main motor 14 is started, the top plate 48 rotates accordingly. During the rotation of the top plate 48, the top of the top plate 48 will intermittently squeeze the push rod 47. After the push rod 47 is squeezed, it drives the movable plate 45 to move upward. After the push rod 47 loses its squeeze, the movable plate 45 drives the push rod 47 down due to the spring four 46, thereby generating negative pressure inside the protective shell 1 41 and the protective shell 2 42, thereby providing suction for the dust collection component 49.

[0038] The cleaning mechanism 4 also includes a dust suction component 49, which includes a sliding cylinder 491, a dust suction shell 492, a dust suction hole 493 and bristles 494. The top and bottom of the sliding cylinder 491 are respectively connected to the bottom of the protective shell 2 42 and the top of the protective shell 1 41 through guide rails. The dust suction shell 492 is connected to the outer wall of the sliding cylinder 491. There are two groups of dust suction holes 493, which are respectively opened on the end face and one side of the bottom of the dust suction shell 492. The bristles 494 are fixedly connected to the other side of the bottom of the dust suction shell 492. The top of the dust suction shell 492 is mounted through a bracket and fixedly connected to the side of the output end of the main motor 14.

[0039] The dust collection holes 493 of the dust collection housing 492 absorb dust generated by grinding on the workbench 13 through the suction force generated by negative pressure, thereby achieving the purpose of clearing floating dust through the dust collection holes 493. After the main motor 14 rotates, it drives the sliding cylinder 491 to rotate. Then, the bristles 494 at the bottom of the dust collection housing 492 continuously sweep and stir up the fallen dust as the dust collection housing 492 rotates with the sliding cylinder 491. The dust stirred up by the bristles 494 is then absorbed by the dust collection holes 493, and some is adsorbed on the bristles 494, thereby achieving the purpose of clearing the fallen dust.

[0040] Before polishing the end, move the pressing plate 34. After the pressing plate 34 is moved, the support head 36 slides out of the slot 38 and slides down along the side of the triangular plate 37. The support of the support rod 35 is lost, and the clamping plate 32 opens under the action of the spring 33. At this time, the cable is placed between the two clamping plates 32. Then, the pressing plate 34 is moved again. The support head 36 opens one side of the clamping plate 32, and the other side clamps the cable after rotation, thereby clamping and fixing the wire part of the cable.

[0041] When the end needs to be polished, the end is inserted into the sandpaper 22 and the dome boss 24. The telescopic column 23 is squeezed by the spring 1 27 to push the dome boss 24 against the circular hole in the center of the cable end. The top plate 28 clamps the outer side of the end under the action of the spring 2 25. Then the main motor 14 is started, and the main motor 14 drives the turntable 21 and the sandpaper 22 to rotate to polish the end.

[0042] After the main motor 14 is turned on, the top plate 48 rotates accordingly. During the rotation of the top plate 48, the top of the top plate 48 intermittently squeezes the push rod 47. After the push rod 47 is squeezed, the movable plate 45 moves upward. After the push rod 47 loses its squeeze, the movable plate 45 is driven downward by the spring 46. This generates negative pressure inside the protective shell 1 41 and the protective shell 2 42. The dust collection holes 493 of the dust collection shell 492 absorb the dust generated by grinding on the workbench 13 through the suction force generated by the negative pressure, thereby achieving the purpose of using the dust collection holes 493 to clean floating dust. After the main motor 14 rotates, it drives the sliding cylinder 491 to rotate. Then, the bristles 494 at the bottom of the dust collection shell 492 continuously sweep and stir up the fallen dust as the dust collection shell 492 rotates with the sliding cylinder 491. The dust stirred up by the bristles 494 is then absorbed by the dust collection holes 493, and some of it is adsorbed on the bristles 494.

[0043] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A photovoltaic cable end polishing device, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected to a universal wheel (11), the top of the base (1) is fixedly connected to a connecting rod (12), a plurality of connecting rods (12) are provided, one end of the connecting rod (12) away from the base (1) is fixedly connected to a workbench (13), the top center of the base (1) is fixedly connected to a main motor (14), the top of the workbench (13) is fixedly connected to a grinding mechanism (2) and a clamping mechanism (3), and the inner wall of the workbench (13) is fixedly connected to a cleaning mechanism (4); The grinding mechanism (2) comprises a rotating disk (21) and sandpaper (22); the rotating disk (21) is sleeved and fixedly connected to the output end of the main motor (14); and the sandpaper (22) is fixedly connected to the bottom of the rotating disk (21); The clamping mechanism (3) comprises a rotating column (31), a clamping plate (32) and a spring three (33); the rotating column (31) is fixedly connected to the top of the workbench (13); two rotating columns (31) are provided and symmetrically arranged on both sides of the center of the telescopic column (23); the clamping plate (32) is rotatably connected to the side of the rotating column (31); and the two ends of the spring three (33) are respectively fixedly connected to the opposite sides of the two clamping plates (32); The clamping mechanism (3) further comprises a pressing plate (34), a supporting rod (35), a supporting head (36), a triangular plate (37) and a clamping slot (38); the pressing plate (34) is rotatably connected to the top of the workbench (13) via a bracket; the pressing plate (34) is located directly below the clamping plate (32); and the supporting rod (35) is fixedly connected to one end of the pressing plate (34) close to the spring three (33); Two support heads (36) are provided and are respectively fixedly connected to the two ends of the support rod (35); the triangular plate (37) is fixedly connected to the side of the clamping plate (32); the clamping groove (38) is provided at the top of the side of the triangular plate (37); and the support head (36) is slidably connected to the side of the triangular plate (37) and the inner wall of the clamping groove (38).

2. A photovoltaic cable end polishing device according to claim 1, characterized in that: The grinding mechanism (2) further comprises a telescopic column (23), a dome boss (24) and a spring 1 (27); a groove is provided on the top of the workbench (13); the telescopic column (23) is slidably connected to the inner wall of the groove; the dome boss (24) is fixedly connected to the top of the telescopic column (23); the spring 1 (27) is fixedly connected to the bottom of the telescopic column (23); and one end of the spring 1 (27) away from the telescopic column (23) is fixedly connected to the bottom of the inner wall of the groove.

3. A photovoltaic cable end polishing device according to claim 2, characterized in that: The grinding mechanism (2) further comprises a fixed block (26), a second spring (25) and a top plate (28); the fixed block (26) is fixedly connected to the top of the workbench (13); the fixed blocks (26) are arranged in groups of two and the two fixed blocks (26) are symmetrically arranged on both sides of the center of the telescopic column (23); the fixed blocks (26) are arranged in multiple groups; the second spring (25) is fixedly connected to the side of the fixed block (26); and the top plate (28) is fixedly connected to one end of the second spring (25) away from the fixed block (26).

4. A photovoltaic cable end polishing device according to claim 3, characterized in that: The grinding mechanism (2) and the clamping mechanism (3) are both located on the outside of the top of the workbench (13); the clamping mechanism (3) is located on the outside of the grinding mechanism (2); and the cleaning mechanism (4) is located at the top center of the workbench (13).

5. A photovoltaic cable end polishing device according to claim 4, characterized in that: The cleaning mechanism (4) comprises a protective shell 1 (41), a protective shell 2 (42), a connecting frame (43) and a sleeve (44); the protective shell 1 (41) is fixedly connected to the inner wall of the workbench (13); the protective shell 2 (42) is slidably connected to the side of the output end of the main motor (14); a plurality of connecting frames (43) are provided; the upper and lower ends of the connecting frames (43) are respectively fixedly connected to the inner walls of the protective shell 1 (41) and the protective shell 2 (42); the sleeve (44) is sleeved and slidably connected to the side of the output end of the main motor (14); and one end of the connecting frame (43) away from the protective shell 1 (41) and the protective shell 2 (42) is fixedly connected to the outer wall of the sleeve (44).

6. A photovoltaic cable end polishing device according to claim 5, characterized in that: The cleaning mechanism (4) further comprises a movable plate (45), a spring four (46), a push rod (47) and a top plate (48); the movable plate (45) is sleeved and slidably connected to the outer wall of the sleeve (44); the side of the movable plate (45) away from the sleeve (44) is slidably connected to the inner wall of the protective shell (41); the spring four (46) is fixedly connected to the top of the movable plate (45); the end of the spring four (46) away from the movable plate (45) is fixedly connected to the bottom of the connecting frame (43); the push rod (47) is fixedly connected to the bottom of the movable plate (45); the top plate (48) is sleeved and fixedly connected to the side of the output end of the main motor (14); the end of the push rod (47) away from the movable plate (45) is slidably connected to the top of the top plate (48).

7. A photovoltaic cable end polishing device according to claim 6, characterized in that: The cleaning mechanism (4) further comprises a dust suction component (49), the dust suction component (49) comprising a sliding cylinder (491), a dust suction shell (492), a dust suction hole (493) and bristles (494); the top and bottom of the sliding cylinder (491) are respectively slidably connected to the bottom of the second protective shell (42) and the top of the first protective shell (41) via guide rails; the dust suction shell (492) is connected to the outer wall of the sliding cylinder (491); two groups of dust suction holes (493) are provided and are respectively opened on the end face and one side of the bottom of the dust suction shell (492); the bristles (494) are fixedly connected to the other side of the bottom of the dust suction shell (492); the top of the dust suction shell (492) is sleeved by a bracket and fixedly connected to the side of the output end of the main motor (14).

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