A towing cable device for coal mining machinery
By designing a streamer device for coal mining machinery including tracks, moving structures, rollers, drive shafts, drag shells and fixed seats, the problem of easy winding or damage in the existing technology is solved, and the stable release and fixation of the wiring harness is achieved, ensuring the normal operation of the mechanical equipment.
Patent Information
- Application Number
- CN202411957579.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-04-04
AI Technical Summary
When existing streamer devices are running, they can easily cause the wiring harness to disconnect from the wire clips, causing the wiring harness to be wound or damaged.
A streamer device for coal mining machinery is designed, including tracks, moving structures, rollers, drive shafts, dragline shells and fixed seats. The moving structure moves along the track through the rollers, and the wire harness is released from the drag shell, and the length corresponds to the trajectory of the moving structure to avoid wrapping. The dragging shell is fixed by a bracket and a nut, and the rotating block and the top rod are used to achieve the installation and fixation of the dragging shell.
It effectively avoids the problems of winding and crushing of the wiring harness during use, facilitates users to install and use, and ensures the normal operation of the wiring harness.
Smart Images

Figure CN119765174A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of towing cable devices, and in particular relates to a towing cable device for coal mining machinery. Background Art
[0002] Various mechanical equipment is used in coal mining, and some of the mechanical equipment moves on tracks when in operation. A cable towing device refers to a device that a mining machine uses to drag and place cables or water pipes along a working surface (tunnel). When the existing cable towing device is implemented, most of the wire harnesses are placed on wire clamps. The operation of the mechanical equipment sometimes pulls the wire harnesses and causes them to separate from the wire clamps, which may cause the wire harnesses to become entangled or even damaged. Therefore, this application proposes a cable towing device for coal mining machinery. Summary of the invention
[0003] In order to solve the problems raised in the above background technology, the present invention provides the following technical solutions: a towing cable device for coal mining machinery, comprising a track and a moving structure, wherein the moving structure is located above the track, and a roller is arranged on the moving structure, and a driving shaft is fixedly connected to the axis of the roller, a towing cable housing for collecting a towing cable harness is arranged below the moving structure, and a fixing seat for fixing the cable harness is installed on the track,
[0004] A bracket is fixedly connected to the lower end of the mobile structure, and the bracket has a horizontal section and a vertical section. One end of the horizontal section is fixedly connected to the lower end of the vertical section. The horizontal section is located at the lower end of the towing line housing, and the vertical section is located at the back of the towing line housing. The horizontal section is cylindrical, and a thread is arranged on the surface of the horizontal section. A nut is connected to the external thread of the horizontal section. A rotatable rotating block is arranged on the towing line housing, and a push rod is arranged in the rotating block. The push rod and the rotating block are threadedly matched. A limit rod is fixedly connected in the towing line housing, and the limit rod and the push rod cooperate with each other to prevent the push rod from rotating. When the rotating block rotates in one direction, the push rod can extend upward and press against the lower end of the mobile structure.
[0005] A first driving wheel is arranged on one side of the driving shaft, a second driving wheel is arranged in the cable housing, the driving shaft can drive the second driving wheel through the first driving wheel, and a wiring harness tube is sleeved on one side of the second driving wheel.
[0006] A lead-in slot is provided at the lower end of the cable housing, and a cable outlet slot is also provided on the cable housing.
[0007] The fixing seat comprises a fixing structure connected to the track and a clamping mechanism for fixing the wire harness. A positioning rod is fixedly connected to one side of the fixing seat, and one end of the positioning rod is pressed against the side of the track.
[0008] Preferably, the clamping mechanism includes a second movable block, a second fixed block and a supporting seat, the supporting seat is fixedly connected to the side of the fixed seat, the second fixed block is fixedly connected to the upper end of the fixed seat, the second movable block is movably installed at the upper end of the fixed seat, and the second movable block can slide in the direction of approaching / moving away from the second fixed block, a rotating wheel is arranged in the fixed seat, the upper end of the rotating wheel extends out of the fixed seat, a fixed tooth is fixedly connected to the lower end of the towing line housing, a gear rack pair is formed between the fixed tooth and the rotating wheel to drive the rotating wheel, a second threaded rod is fixedly connected to the axis of the rotating wheel, the second threaded rod passes through the second movable block, and the two are threadedly matched.
[0009] Preferably, the fixing mechanism includes a first movable block and a first fixed block, the first fixed block is fixedly connected to the lower end of the fixed seat, the first movable block is movably installed at the lower end of the fixed seat, and the first movable block can slide in the direction close to / away from the first fixed block, a toggle rod is rotatably arranged on the fixed seat, one end of the toggle rod extends into the fixed seat and is fixedly connected to a driving wheel, a sliding block is fixedly connected to the upper end of the first movable block, a first threaded rod passes through the sliding block, and the sliding block and the first threaded rod are threadedly matched, a driven wheel is fixedly connected to one end of the first threaded rod, an annular tooth is arranged on the side of the driven wheel facing the driving wheel, and the driving wheel is meshed with the annular tooth, so that when the toggle rod rotates, the first threaded rod can rotate accordingly.
[0010] Preferably, a first driving wheel is provided on one side of the driving shaft, and the driving shaft can drive the first driving wheel. A third driving wheel is also provided on one side of the second driving wheel, and the third driving wheel can drive the second driving wheel. The side of the third driving wheel extends out of the tow line shell. A through hole is provided on the side wall of the movable structure, and a sealing plate is provided in the through hole. A groove is provided on the sealing plate. A spring is provided between the sealing plate and the inner wall of the through hole. Bevel teeth are fixed to the tow line shell, and the bevel teeth are arranged obliquely to the outer wall of the tow line shell. The bevel teeth are made of elastic material, and the bevel teeth can be inserted into the groove to push the sealing plate to one side so that the third driving wheel passes through the through hole and combines with the first driving wheel.
[0011] Preferably, two sealing plates and two bevel teeth are provided.
[0012] Preferably, a rotating shaft is fixedly connected to the second driving wheel, one end of the rotating shaft is a rectangular structure, and the wiring harness tube is inserted into the rectangular section of the rotating shaft.
[0013] Preferably, a door panel is hinged on the side of the cable housing, a connecting seat is fixed on the door panel, and one end of the rotating shaft can be inserted into the connecting seat.
[0014] Preferably, a notch is formed at the lower end of the push rod, and the limiting rod passes through the notch.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] When the device is used, the user puts the wire harness into the wire-drawing housing and pre-installs the fixing seat on the track. When the device is used, the mobile structure moves along the track through the rollers, and the wire harness can be released from the wire-drawing housing, and the released length corresponds to the moving track of the mobile structure, thereby avoiding the wire harness from being entangled or pressed when the device is used;
[0017] The user places the cable housing on the bracket, the lower end of the bracket supports the cable housing, and the side of the bracket blocks the back of the cable housing, so as to position the cable housing. Then, the nut is used to push the cable housing onto the bracket, and then the rotating block is rotated so that the top rod is pushed under the moving structure, and then the cable housing is installed and fixed, so that it is convenient for users to install and use it.
[0018] The use of the mounting seat can fix the wiring harness, and the fixing seat is a preset part. When the wiring harness is placed on the mounting seat, the mounting seat can also clamp and fix the wiring harness to ensure that the wiring harness can be used normally. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0021] Figure 2 It is a schematic diagram of the internal structure of one side of the fixing seat of the present invention;
[0022] Figure 3 It is a schematic diagram of the other side structure of the interior of the fixing seat of the present invention;
[0023] Figure 4 It is a schematic diagram of the combination of the moving mechanism and the cable housing of the present invention;
[0024] Figure 5 It is a schematic diagram of the internal top view of the cable housing of the present invention;
[0025] Figure 6 It is a schematic diagram of the internal partial structure of the mobile structure of the present invention.
[0026] In the figure: 1. track; 2. moving structure; 3. roller; 4. driving shaft; 5. bracket; 6. towing wire shell; 7. fixed teeth; 8. fixed seat; 9. first movable block; 10. positioning rod; 11. supporting seat; 12. second movable block; 13. first fixed block; 14. first threaded rod; 15. driven wheel; 16. toggle rod; 17. driving wheel; 18. rotating wheel; 19. second threaded rod; 20. second fixed block; 21. slider; 22. first driving wheel; 23. second driving wheel; 24. rotating shaft; 25. third driving wheel; 26. wire guide groove; 27. rotating block; 28. push rod; 29. limiting rod; 30. nut; 31. oblique teeth; 32. door panel; 33. connecting seat; 34. sealing plate; 35. groove; 36. spring; 37. wiring harness tube; 38. wire outlet groove. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0028] Depend on Figure 1-6 The present invention discloses a towing cable device for coal mining machinery, comprising a track 1 and a moving structure 2, wherein the moving structure 2 is located above the track 1, and a roller 3 is arranged on the moving structure 2, a driving shaft 4 is fixedly connected to the axis of the roller 3, and the driving shaft 4 is driven by a motor or other equipment to rotate the roller 3, a towing cable housing 6 for collecting the towing cable harness is arranged below the moving structure 2, and a fixing seat 8 for fixing the cable harness is installed on the track 1,
[0029] When the device is used, the user puts the wire harness into the wire-drawing housing 6 and pre-installs the fixing seat 8 on the track 1. When the device is used, the mobile structure 2 moves along the track 1 through the roller 3, and the wire harness can be released from the wire-drawing housing 6, and the released length corresponds to the moving track of the mobile structure 2, thereby avoiding the situation that the wire harness is entangled or pressed when the device is used.
[0030] In order to facilitate the user to install the tow line housing 6, the following technical scheme is provided: a bracket 5 is fixedly connected to the lower end of the mobile structure 2, the bracket 5 has a horizontal section and a vertical section, one end of the horizontal section is fixedly connected to the lower end of the vertical section, the horizontal section is located at the lower end of the tow line housing 6, the vertical section is located at the back of the tow line housing 6, and the horizontal section is cylindrical, a thread is provided on the surface of the horizontal section, a nut 30 is connected to the external thread of the horizontal section, a rotatable rotating block 27 is provided on the tow line housing 6, a push rod 28 is provided in the rotating block 27, and the push rod 28 is threadedly matched with the rotating block 27, a limiting rod 29 is fixedly connected in the tow line housing 6, the limiting rod 29 and the push rod 28 cooperate with each other to prevent the push rod 28 from rotating, and when the rotating block 27 rotates in one direction, the push rod 28 can extend upward and press against the lower end of the mobile structure 2,
[0031] When the above technical solution is implemented, the user places the cable housing 6 on the bracket 5, the lower end of the bracket 5 supports the cable housing 6, and the side of the bracket 5 blocks the back of the cable housing 6, thereby positioning the cable housing 6, and then using the nut 30, the nut 30 pushes the cable housing 6 on the bracket 5, and then by rotating the rotating block 27, the top rod 28 is pushed under the mobile structure 2, and then the cable housing 6 is installed and fixed, so that it is convenient for users to install and use it.
[0032] In order to enable the wire harness tube 37 to perform the corresponding wire release operation when the mobile structure 2 is moving, the following technical solution is provided: a first driving wheel 22 is provided on one side of the driving shaft 4, a second driving wheel 23 is provided in the wire drag housing 6, the driving shaft 4 can drive the second driving wheel 23 through the first driving wheel 22, and a wire harness tube 37 is sleeved on one side of the second driving wheel 23,
[0033] When the mobile structure 2 moves, as the roller 3 rotates, the second driving wheel 23 can rotate accordingly, and the second driving wheel 23 can drive the harness tube 37 to rotate, and the harness is wound on the harness tube 37, so that the harness tube 37 can release the wires. In order to meet the needs of users, there is a corresponding relationship between the radius of the harness tube 37 and the radius of the roller 3 (corresponding according to the needs of users), so that when the roller 3 rotates, the harness tube 37 can correspondingly release the corresponding length of the harness.
[0034] A lead groove 26 is provided at the lower end of the wire-drawing housing 6. The wire harness that slides out of the lead groove 26 can be fixed on the fixing seat 8, thereby ensuring that the position of the wire harness can be fixed. A wire outlet groove 38 is also provided on the wire-drawing housing 6. The wire harness released from the wire outlet groove 38 is connected to the electrical structure on the mobile structure 2 to supply power to it. Of course, the wire harness tube 37 can be a structure that can release wires at one end, and the released wires slide out through the lead groove 26 and are fixed by the fixing seat 8, or it can be a structure that can release wires at both ends, and the selection is made according to the needs of the user. Both of the above structures can be selected and used according to the wire harness structure in the prior art.
[0035] The fixing seat 8 includes a fixing structure connected to the track 1 to fix the fixing seat 8 on the track 1, and a clamping mechanism for fixing the wire harness to fix and clamp the released wire harness. A positioning rod 10 is fixedly connected to one side of the fixing seat 8, and one end of the positioning rod 10 is against the side of the track 1 to ensure that multiple fixing seats 8 are installed on the same straight line on the track 1.
[0036] As for the track 1, it can be a structural form similar to that of the sleeper.
[0037] The specific structure of the clamping mechanism has the following implementation methods: the clamping mechanism includes a second movable block 12, a second fixed block 20 and a support seat 11, the support seat 11 is fixedly connected to the side of the fixed seat 8, the second fixed block 20 is fixedly connected to the upper end of the fixed seat 8, the second movable block 12 is movably installed at the upper end of the fixed seat 8, and the second movable block 12 can slide in the direction of approaching / moving away from the second fixed block 20, a rotating wheel 18 is arranged in the fixed seat 8, the upper end of the rotating wheel 18 extends outside the fixed seat 8, a fixed tooth 7 is fixedly connected to the lower end of the towing line housing 6, a gear rack pair is formed between the fixed tooth 7 and the rotating wheel 18 to drive the rotating wheel 18, a second threaded rod 19 is fixedly connected to the axis of the rotating wheel 18, the second threaded rod 19 passes through the second movable block 12, and the two are threadedly matched.
[0038] When the above structure is implemented, the fixed seat 8 is pre-installed on the track 1, and the number of the fixed seats 8 is several. When the movable structure 2 moves, the fixed tooth 7 can move the rotating wheel 18, thereby causing the rotating wheel 18 to rotate. When the rotating wheel 18 rotates, the rotating wheel 18 drives the second threaded rod 19 to rotate, thereby causing the second movable block 12 to slide, so as to clamp and fix the wiring harness between the second movable block 12 and the second fixed block 20.
[0039] The specific structure of the fixing mechanism has the following implementation manner: the fixing mechanism includes a first movable block 9 and a first fixed block 13, the first fixed block 13 is fixedly connected to the lower end of the fixed seat 8, the first movable block 9 is movably installed at the lower end of the fixed seat 8, and the first movable block 9 can slide in the direction close to / away from the first fixed block 13, a toggle rod 16 is rotatably arranged on the fixed seat 8, one end of the toggle rod 16 extends into the fixed seat 8 and is fixedly connected to a driving wheel 17, a slider 21 is fixedly connected to the upper end of the first movable block 9, a first threaded rod 14 passes through the slider 21, and the slider 21 and the first threaded rod 14 are threadedly matched, a driven wheel 15 is fixedly connected to one end of the first threaded rod 14, an annular tooth is arranged on the side of the driven wheel 15 facing the driving wheel 17, and the driving wheel 17 is meshed with the annular tooth so that when the toggle rod 16 rotates, the first threaded rod 14 can rotate accordingly.
[0040] When the above structure is implemented, the user arranges the fixed seat 8 on the track 1, and by rotating the toggle rod 16, the toggle rod 16 drives the driving wheel 17 to rotate, and the driving wheel 17 cooperates with the annular teeth on the side of the driven wheel 15, thereby rotating the driven wheel 15. The rotation of the driven wheel 15 rotates the first threaded rod 14, and then moves the first movable block 9, so that the first movable block 9 is clamped and fixed on the track 1 with the first fixed block 13.
[0041] As for how the second driving wheel 23 is driven, the following technical solution is provided: a first driving wheel 22 is provided on one side of the driving shaft 4, and the driving shaft 4 can drive the first driving wheel 22; a third driving wheel 25 is also provided on one side of the second driving wheel 23, and the third driving wheel 25 can drive the second driving wheel 23; the side surface of the third driving wheel 25 extends outside the towing shell 6; a through hole is provided on the side wall of the mobile structure 2, and a sealing plate 34 is provided in the through hole, and the sealing plate 34 is provided on the sealing plate 34. A groove 35 is provided, and a spring 36 is provided between the sealing plate 34 and the inner wall of the through hole. A bevel tooth 31 is fixedly connected to the cable housing 6, and the bevel tooth 31 is arranged obliquely to the outer wall of the cable housing 6. The bevel tooth 31 is made of elastic material. The bevel tooth 31 can be inserted into the groove 35 to push the sealing plate 34 to one side so that the third driving wheel 25 passes through the through hole and combines with the first driving wheel 22. When the bevel tooth 31 pushes the sealing plate 34, the bevel tooth 31 can bend and stick to the surface of the cable housing 6.
[0042] The sealing plates 34 and the bevel teeth 31 are both provided with two each, and the two sealing plates 34 are pushed to both sides respectively, thereby opening the through hole.
[0043] The second driving wheel 23 is fixedly connected with a rotating shaft 24 , one end of which is a rectangular structure. The harness tube 37 is inserted into the rectangular section of the rotating shaft 24 , so that when the rotating shaft 24 rotates, the harness tube 37 can rotate accordingly.
[0044] A door panel 32 is hinged on the side of the cable housing 6, and a connecting seat 33 is fixed on the door panel 32. One end of the rotating shaft 24 can be inserted into the connecting seat 33. The setting of the door panel 32 can facilitate the user to replace the wiring harness tube 37, and the connecting seat 33 can limit and protect one end of the rotating shaft 24.
[0045] A notch is formed at the lower end of the push rod 28, and a limiting rod 29 passes through the notch, so that the push rod 28 can only move up and down but cannot rotate.
[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A towing cable device for a coal mining machine, comprising a track (1) and a moving structure (2), wherein the moving structure (2) is located above the track (1), a roller (3) is arranged on the moving structure (2), and a driving shaft (4) is fixedly connected to the axis of the roller (3), characterized in that: A towing wire housing (6) for collecting the towing wire harness is arranged below the movable structure (2), and a fixing seat (8) for fixing the wire harness is installed on the track (1). A bracket (5) is fixedly connected to the lower end of the mobile structure (2). The bracket (5) has a horizontal section and a vertical section. One end of the horizontal section is fixedly connected to the lower end of the vertical section. The horizontal section is located at the lower end of the cable housing (6). The vertical section is located at the back of the cable housing (6). The horizontal section is cylindrical. A thread is provided on the surface of the horizontal section. A nut (30) is connected to the external thread of the horizontal section. A rotatable rotating block (27) is provided on the cable housing (6). A push rod (28) is provided inside the rotating block (27). The push rod (28) and the rotating block (27) are threadedly matched. A limiting rod (29) is fixedly connected inside the cable housing (6). The limiting rod (29) and the push rod (28) cooperate with each other to prevent the push rod (28) from rotating. When the rotating block (27) rotates in one direction, the push rod (28) can extend upward and press against the lower end of the mobile structure (2). A first driving wheel (22) is arranged on one side of the driving shaft (4), a second driving wheel (23) is arranged in the cable housing (6), the driving shaft (4) can drive the second driving wheel (23) through the first driving wheel (22), and a wiring harness tube (37) is sleeved on one side of the second driving wheel (23). A lead-in groove (26) is provided at the lower end of the cable housing (6), and a cable outlet groove (38) is also provided on the cable housing (6). The fixing seat (8) comprises a fixing structure connected to the track (1), a clamping mechanism for fixing the wire harness, and a positioning rod (10) is fixedly connected to one side of the fixing seat (8), and one end of the positioning rod (10) is pressed against the side of the track (1).
2. A towing cable device for coal mining machinery according to claim 1, characterized in that: The clamping mechanism comprises a second movable block (12), a second fixed block (20) and a support seat (11); the support seat (11) is fixedly connected to the side surface of the fixed seat (8); the second fixed block (20) is fixedly connected to the upper end of the fixed seat (8); the second movable block (12) is movably mounted on the upper end of the fixed seat (8); and the second movable block (12) can slide in a direction approaching / moving away from the second fixed block (20); a rotating wheel (18) is arranged inside the fixed seat (8); the upper end of the rotating wheel (18) extends outside the fixed seat (8); a fixed tooth (7) is fixedly connected to the lower end of the towing wire housing (6); a gear rack pair is formed between the fixed tooth (7) and the rotating wheel (18) to drive the rotating wheel (18); a second threaded rod (19) is fixedly connected to the axis of the rotating wheel (18); the second threaded rod (19) passes through the second movable block (12), and the two are threadedly matched.
3. A towing cable device for coal mining machinery according to claim 1, characterized in that: The fixing mechanism comprises a first movable block (9) and a first fixed block (13), the first fixed block (13) being fixedly connected to the lower end of the fixed seat (8), the first movable block (9) being movably mounted on the lower end of the fixed seat (8), and the first movable block (9) being able to slide in a direction approaching or moving away from the first fixed block (13), a toggle rod (16) being rotatably arranged on the fixed seat (8), one end of the toggle rod (16) extending into the fixed seat (8) and being fixedly connected to a driving wheel (17), A slider (21) is fixedly connected to the upper end of a movable block (9), a first threaded rod (14) passes through the slider (21), and the slider (21) and the first threaded rod (14) are threadedly matched, a driven wheel (15) is fixedly connected to one end of the first threaded rod (14), and an annular tooth is arranged on the side of the driven wheel (15) facing the driving wheel (17), and the driving wheel (17) meshes with the annular tooth, so that when the toggle rod (16) rotates, the first threaded rod (14) can rotate accordingly.
4. A towing cable device for coal mining machinery according to claim 1, characterized in that: A first driving wheel (22) is arranged on one side of the driving shaft (4), and the driving shaft (4) is capable of driving the first driving wheel (22). A third driving wheel (25) is also arranged on one side of the second driving wheel (23), and the third driving wheel (25) is capable of driving the second driving wheel (23). The side surface of the third driving wheel (25) extends outside the cable housing (6). A through hole is provided on the side wall of the mobile structure (2), and a sealing plate (34) is provided in the through hole. The sealing plate ( A groove (35) is provided on the cover (34), a spring (36) is provided between the sealing plate (34) and the inner wall of the through hole, a bevel tooth (31) is fixedly connected to the cable housing (6), the bevel tooth (31) is arranged obliquely with the outer wall of the cable housing (6), the bevel tooth (31) is made of elastic material, and the bevel tooth (31) can be inserted into the groove (35) to push the sealing plate (34) toward one side, so that the third driving wheel (25) passes through the through hole and is combined with the first driving wheel (22).
5. A towing cable device for coal mining machinery according to claim 4, characterized in that: The sealing plate (34) and the bevel teeth (31) are both provided with two.
6. A towing cable device for coal mining machinery according to claim 1, characterized in that: A rotating shaft (24) is fixedly connected to the second driving wheel (23), one end of the rotating shaft (24) is a rectangular structure, and the wiring harness tube (37) is inserted into the rectangular section of the rotating shaft (24).
7. A towing cable device for coal mining machinery according to claim 6, characterized in that: A door panel (32) is hingedly connected to the side of the cable housing (6), a connecting seat (33) is fixedly connected to the door panel (32), and one end of the rotating shaft (24) can be inserted into the connecting seat (33).
8. A towing cable device for coal mining machinery according to claim 1, characterized in that: A notch is formed at the lower end of the push rod (28), and a limiting rod (29) passes through the notch.