Cable insulating layer removing equipment for cable recovery

Abstract

The utility model belongs to the technical field of cable recovery, and particularly relates to cable insulation layer removing equipment for cable recovery, which comprises a rack, a driving part is fixedly connected onto the rack, the driving part is in transmission connection with a cutting part, the cutting part is positioned above the rack, and a guide assembly is arranged on one side of the cutting part; the cutting part comprises an upper cutting assembly and a lower cutting assembly which are correspondingly arranged up and down, the upper cutting assembly and the lower cutting assembly are in transmission connection through a transmission assembly, the lower cutting assembly is in transmission connection with a lifting assembly, and the lifting assembly is arranged in the rack. According to the utility model, a worker puts one end of the cable into the guide assembly and continuously exerts force until the cable enters the space between the upper cutting assembly and the lower cutting assembly, and at the moment, the upper cutting assembly and the lower cutting assembly cut the sheath of the cable at the same time, so that the insulating layer of the cable is stripped; the distance between the upper cutting assembly and the lower cutting assembly is adjusted through the lifting assembly, and therefore cutting and stripping of insulating layers of different cables are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable recycling, and in particular relates to a cable insulation layer removal device for cable recycling. Background Art

[0002] A cable is a device for transmitting electrical energy or signals, usually composed of several or several groups of wires, including communication cables. Discarded cables contain a variety of recyclable raw materials. In order to make better use of resources, replaced cables will be recycled and reused. Currently, when recycling discarded cables, the thicker rubber insulation layer on the outer layer of the cable needs to be stripped off first.

[0003] The Chinese patent with application number 202022080592.6 discloses a waste cable recycling device, including a body, with a feed port and a discharge port respectively provided on the left and right sides of the body, and a cleaning chamber is also provided in the inner cavity of the body, which is respectively connected to the feed port and the discharge port. The cleaning chamber is located on the left side wall and three groups of cleaning heads are provided. A water tank is fixedly provided on the left side of the body.

[0004] By adopting the above scheme, the rubber outer skin and the copper core can be separated and processed separately after separation, thereby realizing the rational utilization of waste resources, reducing the waste of resources, making different types of waste materials be used for their own purposes, and thus improving the recycling efficiency. However, the above scheme cannot adjust the position of the cutter, so it is impossible to strip the outer insulation layer of cables of different specifications. Utility Model Content

[0005] The utility model aims to provide a cable insulation layer removal device for cable recycling to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following solutions:

[0007] A cable insulation layer removal device for cable recycling, comprising: a frame, a driving part is fixedly connected to the frame, a cutting part is drivingly connected to the driving part, the cutting part is located above the frame, and a guide assembly is arranged on one side of the cutting part;

[0008] The cutting part comprises an upper cutting assembly and a lower cutting assembly which are arranged correspondingly above and below. The upper cutting assembly is transmission-connected to the lower cutting assembly via a transmission assembly. The lower cutting assembly is transmission-connected to a lifting assembly, and the lifting assembly is arranged in the frame.

[0009] Preferably, the frame includes a horizontally arranged upper bearing plate, the four corners of the bottom surface of the upper bearing plate are fixedly connected with vertically arranged legs, a lower bearing plate is fixedly connected between the four legs, the lower bearing plate is horizontally arranged, the driving part, the cutting part and the guide assembly are all located above the upper bearing plate, and the lifting assembly is fixedly connected to the lower bearing plate.

[0010] Preferably, the upper cutting assembly comprises two vertically arranged first supporting plates, the two first supporting plates are arranged in parallel and symmetrically, and a sliding groove is formed on the first supporting plate, and the sliding groove passes through the bottom end of the first supporting plate;

[0011] A third rotating shaft is rotatably connected between the two first support plates, the third rotating shaft is horizontally arranged, an upper cutting wheel is coaxially fixed to the third rotating shaft, the upper cutting wheel is located between the two first support plates, both ends of the third rotating shaft pass through the first support plates, one end of the third rotating shaft is transmission connected to the driving part, and the other end of the third rotating shaft is transmission connected to the transmission assembly.

[0012] Preferably, the lower cutting assembly comprises two vertically arranged second support plates, the two second support plates are arranged in parallel and symmetrically, the two second support plates are respectively vertically slidably connected in the two sliding grooves, and the two second support plates are both transmission-connected to the lifting assembly;

[0013] A fourth rotating shaft is rotatably connected between the two second support plates, the fourth rotating shaft is horizontally arranged, a lower cutting wheel is coaxially fixed to the fourth rotating shaft, the lower cutting wheel is located between the two second support plates, the lower cutting wheel and the upper cutting wheel are arranged correspondingly up and down, one end of the fourth rotating shaft passes through the second support plate and is transmission-connected to the transmission assembly.

[0014] Preferably, the transmission assembly includes a first sprocket, a second sprocket, a third sprocket and a tensioning structure located on the same side;

[0015] The first sprocket is coaxially fixed to one end of the third rotating shaft, the second sprocket is coaxially fixed to one end of the fourth rotating shaft, the third sprocket is rotatably connected to one side of the second support plate and is located below the second sprocket, and the third sprocket is located on a side of the second sprocket away from the tensioning structure;

[0016] The tensioning structure includes a slide groove provided on the second support plate, a slide rod is horizontally fixed in the slide groove, a slider is slidably connected to the slide rod, the slider is slidably connected to the slide groove, a short shaft is fixed to the slider, a fourth sprocket is coaxially rotatably connected to the short shaft, a spring is sleeved on the slide rod, and the spring is located on a side of the slider close to the second sprocket;

[0017] The outer sides of the first sprocket, the third sprocket and the fourth sprocket are meshed with a transmission chain, and the second sprocket is located at the outer side of the transmission chain and meshed with the transmission chain.

[0018] Preferably, the lifting assembly comprises a lifting motor fixedly connected to the bottom surface of the lower bearing plate, the output shaft of the lifting motor passes through the lower bearing plate and is coaxially fixedly connected with a threaded rod, the threaded rod is vertically rotatably connected between the upper bearing plate and the lower bearing plate, and a vertically arranged sliding rod is fixedly connected between the upper bearing plate and the lower bearing plate;

[0019] A slide plate is slidably connected to the sliding rod, the slide plate is threadedly connected to the threaded rod, the bottom end of the second support plate passes through the upper bearing plate and is fixedly connected to the slide plate, and the second support plate is slidably connected to the upper bearing plate.

[0020] Preferably, the guide assembly includes a plurality of first rotating shafts arranged horizontally, the plurality of first rotating shafts are rotatably connected between the first supporting plates and close to the top of the first supporting plates, the plurality of first rotating shafts are arranged at equal intervals along the cable entry direction, the first rotating shafts are coaxially fixed with first guide wheels, and the first guide wheels are located between the first supporting plates;

[0021] A plurality of horizontally arranged second rotating shafts are fixedly connected between the two second support plates, and the plurality of second rotating shafts are arranged at equal intervals along the cable entry direction. The distance between the plurality of second rotating shafts and the first rotating shaft along the cable entry direction gradually decreases, and a second guide wheel is coaxially fixedly connected to the second rotating shaft, and the second guide wheel and the first guide wheel are arranged correspondingly up and down.

[0022] Preferably, the driving part includes a driving motor and a reducer fixedly connected to the top surface of the upper bearing plate, the output shaft of the driving motor is coaxially fixedly connected to the input shaft of the reducer, and the output shaft of the reducer is coaxially fixedly connected to one end of the third rotating shaft.

[0023] Compared with the prior art, the utility model has the following advantages and technical effects:

[0024] In the utility model, a worker places one end of a cable into a guide assembly and continuously applies force until the cable enters between an upper cutting assembly and a lower cutting assembly. At this time, the upper cutting assembly and the lower cutting assembly simultaneously cut the outer skin of the cable, thereby stripping off the insulation layer of the cable; the distance between the upper cutting assembly and the lower cutting assembly is adjusted by the lifting assembly, thereby achieving cutting and stripping of the insulation layers of different cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0026] Figure 1 It is an overall schematic diagram of the utility model;

[0027] Figure 2 It is a left view of the utility model;

[0028] Figure 3 It is a schematic diagram of the structure of the utility model;

[0029] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0030] Among them, 1. upper bearing plate; 2. lower bearing plate; 3. supporting leg; 4. lifting motor; 5. sliding rod; 6. threaded rod; 7. first support plate; 8. second support plate; 9. first guide wheel; 10. second guide wheel; 11. first rotating shaft; 12. second rotating shaft; 13. upper cutting wheel; 14. transmission chain; 15. first sprocket; 16. driving motor; 17. reducer; 18. slide groove; 19. slider; 20. sliding rod; 21. spring; 22. third rotating shaft; 23. fourth rotating shaft; 25. second sprocket; 26. third sprocket; 27. fourth sprocket; 28. short shaft; 29. ​​lower cutting wheel; 30. slide plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] Reference Figures 1 to 4 The utility model discloses a cable insulation layer removal device for cable recycling, comprising: a frame, a driving part is fixedly connected to the frame, a cutting part is transmission-connected to the driving part, the cutting part is located above the frame, and a guide assembly is arranged on one side of the cutting part;

[0034] The cutting part comprises an upper cutting assembly and a lower cutting assembly which are arranged correspondingly above and below. The upper cutting assembly and the lower cutting assembly are transmission-connected through a transmission assembly. The lower cutting assembly is transmission-connected with a lifting assembly which is arranged in the frame.

[0035] In the utility model, a worker places one end of a cable into a guide assembly and continuously applies force until the cable enters between an upper cutting assembly and a lower cutting assembly. At this time, the upper cutting assembly and the lower cutting assembly simultaneously cut the outer skin of the cable, thereby stripping off the insulation layer of the cable; the distance between the upper cutting assembly and the lower cutting assembly is adjusted by the lifting assembly, thereby achieving cutting and stripping of the insulation layers of different cables.

[0036] A further optimized solution is that the frame includes a horizontally arranged upper bearing plate 1, and vertically arranged legs 3 are fixedly connected at the four corners of the bottom surface of the upper bearing plate 1. A lower bearing plate 2 is fixedly connected between the four legs 3. The lower bearing plate 2 is horizontally arranged, and the driving part, cutting part and guide assembly are all located above the upper bearing plate 1, and the lifting assembly is fixedly connected to the lower bearing plate 2.

[0037] According to a further optimized solution, the upper cutting assembly includes two vertically arranged first support plates 7, the two first support plates 7 are arranged in parallel and symmetrically, and a sliding groove is provided on the first support plate 7, and the sliding groove runs through the bottom end of the first support plate 7;

[0038] A third rotating shaft 22 is rotatably connected between the two first support plates 7. The third rotating shaft 22 is horizontally arranged. An upper cutting wheel 13 is coaxially fixed to the third rotating shaft 22. The upper cutting wheel 13 is located between the two first support plates 7. Both ends of the third rotating shaft 22 pass through the first support plates 7. One end of the third rotating shaft 22 is transmission-connected to the driving part, and the other end of the third rotating shaft 22 is transmission-connected to the transmission assembly.

[0039] The third rotating shaft 22 is driven to rotate by the driving part, thereby driving the upper cutting wheel 13 to rotate.

[0040] Further optimized solution, the lower cutting assembly includes two vertically arranged second support plates 8, the two second support plates 8 are parallel and symmetrically arranged, the two second support plates 8 are vertically slidably connected in two sliding grooves, and the two second support plates 8 are both transmission-connected to the lifting assembly;

[0041] A fourth rotating shaft 23 is rotatably connected between the two second support plates 8. The fourth rotating shaft 23 is horizontally arranged. A lower cutting wheel 29 is coaxially fixed to the fourth rotating shaft 23. The lower cutting wheel 29 is located between the two second support plates 8. The lower cutting wheel 29 and the upper cutting wheel 13 are arranged correspondingly up and down. One end of the fourth rotating shaft 23 passes through the second support plate 8 and is transmission-connected to the transmission assembly.

[0042] The third rotating shaft 22 is connected to the fourth rotating shaft 23 through the transmission assembly, thereby driving the lower cutting wheel 29 to rotate; the third rotating shaft 22 and the fourth rotating shaft 23 have the same rotation speed and opposite rotation directions, thereby cutting the insulation layer of the cable.

[0043] According to a further optimized solution, the transmission assembly includes a first sprocket 15, a second sprocket 25, a third sprocket 26 and a tensioning structure located on the same side;

[0044] The first sprocket 15 is coaxially fixed to one end of the third rotating shaft 22, the second sprocket 25 is coaxially fixed to one end of the fourth rotating shaft 23, the third sprocket 26 is rotatably connected to one side of the second support plate 8 and is located below the second sprocket 25, and the third sprocket 26 is located on the side of the second sprocket 25 away from the tensioning structure;

[0045] The tensioning structure includes a slide groove 18 provided on the second support plate 8, a slide rod 20 is horizontally fixed in the slide groove 18, a slider 19 is slidably connected to the slide rod 20, the slider 19 is slidably connected to the slide groove 18, a short shaft 28 is fixed to the slider 19, a fourth sprocket 27 is coaxially rotatably connected to the short shaft 28, a spring 21 is sleeved on the slide rod 20, and the spring 21 is located on a side of the slider 19 close to the second sprocket 25;

[0046] The transmission chain 14 is meshed with the outer sides of the first sprocket 15 , the third sprocket 26 and the fourth sprocket 27 . The second sprocket 25 is located at the outer side of the transmission chain 14 and meshed with the transmission chain 14 .

[0047] The driving unit drives the third rotating shaft 22, and the third rotating shaft 22 drives the first sprocket 15 to rotate, and then drives the third sprocket 26, the second sprocket 25 and the fourth sprocket 27 to rotate through the transmission chain 14; and because the transmission chain 14 is located on the outside of the first sprocket 15, the third sprocket 26 and the fourth sprocket 27, and the second sprocket 25 is located on the outside of the transmission chain 14, the third rotating shaft 22 and the fourth rotating shaft 23 rotate in opposite directions.

[0048] When the second support plate 8 slides down, the distance between the first sprocket 15, the third sprocket 26 and the fourth sprocket 27 increases. At this time, the transmission chain 14 drives the slider 19 to slide along the slide rod 20 through the fourth sprocket 27, squeezing the spring 21; when the second support plate 8 rises, the distance between the first sprocket 15, the third sprocket 26 and the fourth sprocket 27 decreases, and the spring 21 pushes the slider 19 to slide along the slide rod 20, tightening the transmission chain 14.

[0049] Further optimized solution, the lifting assembly includes a lifting motor 4 fixedly connected to the bottom surface of the lower bearing plate 2, the output shaft of the lifting motor 4 passes through the lower bearing plate 2 and is coaxially fixed with a threaded rod 6, the threaded rod 6 is vertically rotatably connected between the upper bearing plate 1 and the lower bearing plate 2, and a vertically arranged sliding rod 5 is fixedly connected between the upper bearing plate 1 and the lower bearing plate 2;

[0050] The sliding rod 5 is slidably connected with a slide plate 30 , which is threadedly connected to the threaded rod 6 . The bottom end of the second support plate 8 passes through the upper bearing plate 1 and is fixedly connected to the slide plate 30 . The second support plate 8 is slidably connected to the upper bearing plate 1 .

[0051] The lifting motor 4 drives the threaded rod 6 to rotate, thereby driving the slide plate 30 to slide up and down along the slide rod 5, thereby driving the two second support plates 8 to slide up and down synchronously.

[0052] Further optimized solution, the guide assembly includes a plurality of first rotating shafts 11 arranged horizontally, the plurality of first rotating shafts 11 are rotatably connected between the first supporting plates 7 and close to the top of the first supporting plates 7, the plurality of first rotating shafts 11 are arranged at equal intervals along the cable entry direction, the first rotating shafts 11 are coaxially fixed with the first guide wheels 9, and the first guide wheels 9 are located between the first supporting plates 7;

[0053] A plurality of horizontally arranged second rotating shafts 12 are fixedly connected between the two second support plates 8. The plurality of second rotating shafts 12 are arranged at equal intervals along the cable entry direction. The distance between the plurality of second rotating shafts 12 and the first rotating shaft 11 gradually decreases along the cable entry direction. A second guide wheel 10 is coaxially fixedly connected to the second rotating shaft 12. The second guide wheel 10 and the first guide wheel 9 are arranged correspondingly up and down.

[0054] The cable enters between the first guide wheel 9 and the second guide wheel 10, and the distance between the multiple second rotating shafts 12 and the first rotating shaft 11 gradually decreases along the cable entry direction, so that the cable will directly enter between the upper cutting wheel 13 and the lower cutting wheel 29 under the action of the first guide wheel 9 and the second guide wheel 10 to complete the cutting of the cable insulation layer.

[0055] In a further optimized solution, the driving part includes a driving motor 16 and a reducer 17 fixed to the top surface of the upper bearing plate 1, the output shaft of the driving motor 16 is coaxially fixed to the input shaft of the reducer 17, and the output shaft of the reducer 17 is coaxially fixed to one end of the third rotating shaft 22. The driving motor 16 drives the third rotating shaft 22 to rotate through the reducer 17 to complete the cutting of the cable insulation layer.

[0056] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A cable insulation removal device for cable recycling, characterized in that: include: A frame, wherein a driving part is fixedly connected to the frame, the driving part is drivingly connected to a cutting part, the cutting part is located above the frame, and a guide assembly is provided on one side of the cutting part; The cutting part comprises an upper cutting assembly and a lower cutting assembly which are arranged correspondingly above and below. The upper cutting assembly is transmission-connected to the lower cutting assembly via a transmission assembly. The lower cutting assembly is transmission-connected to a lifting assembly, and the lifting assembly is arranged in the frame.

2. The cable insulation removal device for cable recycling according to claim 1, characterized in that: The frame comprises an upper bearing plate (1) arranged horizontally, and vertically arranged supporting legs (3) are fixedly connected at the four corners of the bottom surface of the upper bearing plate (1), and a lower bearing plate (2) is fixedly connected between the four supporting legs (3). The lower bearing plate (2) is arranged horizontally, and the driving part, the cutting part and the guiding assembly are all located above the upper bearing plate (1), and the lifting assembly is fixedly connected to the lower bearing plate (2).

3. The cable insulation removal device for cable recycling according to claim 2, characterized in that: The upper cutting assembly comprises two vertically arranged first supporting plates (7), the two first supporting plates (7) are arranged in parallel and symmetrically, and a sliding groove is provided on the first supporting plate (7), and the sliding groove runs through the bottom end of the first supporting plate (7); A third rotating shaft (22) is rotatably connected between the two first supporting plates (7), the third rotating shaft (22) is arranged horizontally, an upper cutting wheel (13) is coaxially fixedly connected to the third rotating shaft (22), the upper cutting wheel (13) is located between the two first supporting plates (7), both ends of the third rotating shaft (22) pass through the first supporting plates (7), one end of the third rotating shaft (22) is transmission-connected to the driving part, and the other end of the third rotating shaft (22) is transmission-connected to the transmission assembly.

4. The cable insulation removal device for cable recycling according to claim 3, characterized in that: The lower cutting assembly comprises two vertically arranged second support plates (8), the two second support plates (8) are arranged in parallel and symmetrically, the two second support plates (8) are respectively vertically slidably connected in the two sliding grooves, and the two second support plates (8) are both transmission-connected to the lifting assembly; A fourth rotating shaft (23) is rotatably connected between the two second supporting plates (8), the fourth rotating shaft (23) is arranged horizontally, a lower cutting wheel (29) is coaxially fixedly connected to the fourth rotating shaft (23), the lower cutting wheel (29) is located between the two second supporting plates (8), the lower cutting wheel (29) and the upper cutting wheel (13) are arranged correspondingly up and down, and one end of the fourth rotating shaft (23) passes through the second supporting plate (8) and is transmission-connected to the transmission assembly.

5. The cable insulation removal device for cable recycling according to claim 4, characterized in that: The transmission assembly comprises a first sprocket (15), a second sprocket (25), a third sprocket (26) and a tensioning structure located on the same side; The first sprocket (15) is coaxially fixed to one end of the third rotating shaft (22), the second sprocket (25) is coaxially fixed to one end of the fourth rotating shaft (23), the third sprocket (26) is rotatably connected to one side of the second support plate (8) and is located below the second sprocket (25), and the third sprocket (26) is located on a side of the second sprocket (25) away from the tensioning structure; The tensioning structure comprises a slide groove (18) provided on the second support plate (8), a slide rod (20) being horizontally fixedly connected in the slide groove (18), a slider (19) being slidably connected to the slide rod (20), the slider (19) being slidably connected to the slide groove (18), a short shaft (28) being fixedly connected to the slider (19), a fourth sprocket (27) being coaxially rotatably connected to the short shaft (28), a spring (21) being sleeved on the slide rod (20), the spring (21) being located on a side of the slider (19) close to the second sprocket (25); The outer sides of the first sprocket (15), the third sprocket (26) and the fourth sprocket (27) are meshed with a transmission chain (14); the second sprocket (25) is located on the outer side of the transmission chain (14) and meshed with the transmission chain (14).

6. The cable insulation removal device for cable recycling according to claim 4, characterized in that: The lifting assembly comprises a lifting motor (4) fixedly connected to the bottom surface of the lower bearing plate (2); the output shaft of the lifting motor (4) passes through the lower bearing plate (2) and is coaxially fixedly connected with a threaded rod (6); the threaded rod (6) is vertically rotatably connected between the upper bearing plate (1) and the lower bearing plate (2); a vertically arranged sliding rod (5) is fixedly connected between the upper bearing plate (1) and the lower bearing plate (2); A slide plate (30) is slidably connected to the sliding rod (5), and the slide plate (30) is threadedly connected to the threaded rod (6). The bottom end of the second support plate (8) passes through the upper bearing plate (1) and is fixedly connected to the slide plate (30), and the second support plate (8) is slidably connected to the upper bearing plate (1).

7. The cable insulation removal device for cable recycling according to claim 4, characterized in that: The guide assembly comprises a plurality of first rotating shafts (11) arranged horizontally, the plurality of first rotating shafts (11) are all rotatably connected between the first supporting plates (7) and close to the top of the first supporting plates (7), the plurality of first rotating shafts (11) are arranged at equal intervals along the cable entry direction, the first rotating shafts (11) are coaxially fixedly connected with a first guide wheel (9), and the first guide wheel (9) is located between the first supporting plates (7); A plurality of horizontally arranged second rotating shafts (12) are fixedly connected between the two second supporting plates (8); the plurality of second rotating shafts (12) are arranged at equal intervals along the cable entry direction; the distance between the plurality of second rotating shafts (12) and the first rotating shaft (11) is gradually reduced along the cable entry direction; a second guide wheel (10) is coaxially fixedly connected to the second rotating shaft (12); the second guide wheel (10) and the first guide wheel (9) are arranged correspondingly up and down.

8. The cable insulation removal device for cable recycling according to claim 3, characterized in that: The driving part comprises a driving motor (16) and a reducer (17) fixedly connected to the top surface of the upper bearing plate (1); the output shaft of the driving motor (16) is coaxially fixedly connected to the input shaft of the reducer (17); and the output shaft of the reducer (17) is coaxially fixedly connected to one end of the third rotating shaft (22).

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