Cable towing device for coal mining machine

Abstract

The utility model discloses a cable towing device for a coal mining machine, which comprises a winding roller which is rotatably connected to a cable towing mechanism through a shaft lever; the interior of the cable towing mechanism is rotationally connected with two rotating rods, and limiting plates penetrate through the left sides and the right sides of the rotating rods; adjusting mechanisms are arranged on the limiting plates, and the distance between the left limiting plate and the right limiting plate is adjusted through the adjusting mechanisms; a cleaning mechanism is arranged at the end part of the towing cable mechanism, and stains adhered to the towing cable connected with the coal mining machine are scraped through the cleaning mechanism. According to the cable towing device for the coal mining machine, the distance between the two limiting plates is changed, the side faces of cables with different widths are limited, the cables can be located in the middle, the cables are kept relatively stable in the towing process, and the cables are prevented from shaking left and right in the cable pulling process; and in the pulling process of the cable, the side scraping plate and the upper scraping plate scrape stains adhered to the surface of the cable, so that the cable can be conveniently wound and pulled.

Description

Technical Field

[0001] The utility model relates to the technical field of shearer cable dragging, in particular to a cable dragging device for a shearer. Background Technique

[0002] A shearer is the main equipment for coal mining operations. The cable it drags serves as the main power supply cable for the shearer, supplying power to each working system of the shearer. The cable dragging device directly drags the cable to supply power to the shearer. When the shearer is working underground, when the shearer runs along the working face, the power supply cable reciprocates with the shearer in the working face.

[0003] For example, in the cable dragging device for a shearer with the publication number CN211851840U, a rotating shaft is threadedly connected to the end of the second fixing bolt away from the third fixing hole. A rotatable roller is sleeved on the outer surface of the rotating shaft, and a limiting ring is fixedly connected to the edge of the outer surface of the roller.

[0004] Using the above-mentioned shearer cable dragging device to limit the two sides of the cable through the limiting rings on both sides, the distance between the two limiting rings on both sides is fixed. When the width of the dragged cable is relatively narrow, the cable is prone to shaking during the pulling process of the shearer, and it is not suitable for wider cables, so the scope of use is relatively small. Content of the Utility Model

[0005] The purpose of the utility model is to provide a cable dragging device for a shearer, so as to solve the problem proposed in the above background technique that the distance between the limiting rings on both sides in the current market is fixed. When the width of the dragged cable is relatively narrow, the cable is prone to shaking during the pulling process of the shearer, and it is not suitable for wider cables, and the scope of use is relatively small.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A cable dragging device for a shearer, including a winding rod, which is rotatably connected to the cable dragging mechanism through a shaft rod;

[0007] It further includes: Two rotating rods are rotatably connected inside the cable dragging mechanism, and limiting plates penetrate through the left and right sides of the rotating rods;

[0008] An adjusting mechanism is arranged on the limiting plate to adjust the distance between the left and right limiting plates through the setting of the adjusting mechanism;

[0009] A cleaning mechanism is arranged at the end of the cable dragging mechanism to scrape the stains adhered to the trailing cable connected to the shearer.

[0010] Preferably, the adjusting mechanism includes a bidirectional threaded rod, side gears, screw posts and middle gears. The screw posts are rotatably connected inside the cable dragging mechanism, middle gears are installed on the screw posts, and the two bidirectional threaded rods are rotatably connected to the cable dragging mechanism, and side gears are fixed to the ends of the bidirectional threaded rods.

[0011] Preferably, the bidirectional threaded rod is threadedly connected to the limit plate, the side gear meshes with the middle gear, the left and right bidirectional threaded rods are respectively located on the left and right sides of the wire column, the wire column has the same height as the bidirectional threaded rod, and the thread directions of the two bidirectional threaded rods are opposite.

[0012] Preferably, a motor is installed on the cable towing mechanism, and the output end of the motor is fixedly connected to the shaft rod of the winding rod.

[0013] Preferably, the cleaning mechanism includes an upper scraping plate and side scraping plates. The upper scraping plate is slidably connected inside the cable towing mechanism, and side scraping plates are slidably connected to both the left and right sides inside the upper scraping plate.

[0014] Preferably, a middle lead screw is rotatably connected to the cable towing mechanism, the middle lead screw is threadedly connected to the upper scraping plate, side lead screws are rotatably connected to the sides of the cable towing mechanism, and the side lead screws are threadedly connected to the side scraping plates.

[0015] Preferably, one end of the wire column is threadedly connected to a nut, and both ends of the wire column protrude outside the cable towing mechanism.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. The present utility model is provided with a bidirectional threaded rod, a limit plate, a middle gear and a side gear. The rotation of the middle gear causes the rotation of the side gear, the rotation of the side gear can cause the rotation of the bidirectional threaded rod, and the rotation of the bidirectional threaded rod causes the two limit plates to move towards each other, thereby changing the distance between the two limit plates, limiting the sides of cables with different widths, enabling the cable to be located in the middle position, and keeping the cable relatively stable during towing, avoiding left and right shaking during the pulling of the cable.

[0018] 2. The present utility model is provided with an upper scraping plate and side scraping plates. The side lead screw and the middle lead screw respectively change the positions of the side scraping plate and the upper scraping plate. The side scraping plate and the upper scraping plate contact the outer side of the cable, and during the pulling of the cable, the side scraping plate and the upper scraping plate scrape the stains adhered to the surface of the cable, thereby facilitating the winding and pulling of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the front view structural schematic diagram of the present utility model;

[0020] Figure 2 is the side view structural schematic diagram of the present utility model;

[0021] Figure 3 is the three-dimensional structural schematic diagram of the side gear of the present utility model;

[0022] Figure 4 is the main sectional structural schematic diagram of the cable towing mechanism of the present utility model.

[0023] In the figure: 1. Cable towing mechanism; 2. Middle gear; 3. Side gear; 4. Motor; 5. Winding rod; 6. Threaded rod; 7. Bidirectional threaded rod; 8. Rotating rod; 9. Limiting plate; 10. Upper scraping plate; 11. Side lead screw; 12. Side scraping plate; 13. Nut; 14. Middle lead screw. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1 - 4 , the present invention provides the following technical solutions:

[0026] A cable towing device for a shearer, including a winding rod 5, which is rotatably connected to the cable towing mechanism 1 through a shaft rod; a motor 4 is installed on the cable towing mechanism 1, and the output end of the motor 4 is fixedly connected to the shaft rod of the winding rod 5; further included are: two rotating rods 8 are rotatably connected inside the cable towing mechanism 1.

[0027] Fix one end of the cable on the winding rod 5, the motor 4 rotates the winding rod 5, and the winding rod 5 rotates to wind the cable, and the cable winding pulls the shearer through the cable.

[0028] Both the left and right sides of the rotating rod 8 penetrate through the limiting plates 9; an adjusting mechanism is provided on the limiting plates 9, and the distance between the left and right limiting plates 9 is adjusted through the setting of the adjusting mechanism; the adjusting mechanism includes a bidirectional threaded rod 7, a side gear 3, a threaded rod 6 and a middle gear 2. The threaded rod 6 is rotatably connected inside the cable towing mechanism 1, a middle gear 2 is installed on the threaded rod 6, two bidirectional threaded rods 7 are rotatably connected to the cable towing mechanism 1, side gears 3 are fixed at the ends of the bidirectional threaded rods 7, the bidirectional threaded rods 7 are threadedly connected to the limiting plates 9, the side gears 3 are meshed with the middle gear 2, the left and right bidirectional threaded rods 7 are respectively located on the left and right sides of the threaded rod 6, the threaded rod 6 and the bidirectional threaded rods 7 are at the same height, and the thread directions of the two bidirectional threaded rods 7 are opposite.

[0029] When it is necessary to adjust the distance between the limit plates 9, turn the screw column 6 by hand. The rotation of the screw column 6 drives the middle gear 2 to rotate synchronously. The rotation of the middle gear 2 drives the side gear 3 to rotate synchronously. The rotation of the side gear 3 drives the double-threaded screw rod 7 to rotate synchronously. The rotation of the double-threaded screw rod 7 causes the two limit plates 9 to move in opposite directions, thereby changing the distance between the two limit plates 9. The distance between the two limit plates 9 can be adjusted according to the width of the cable, keeping the cable in the middle position. During the process of pulling the cable, the cable can be kept relatively stable during the pulling process, which is convenient for better pulling of the shearer.

[0030] A cleaning mechanism is provided at the end of the cable dragging mechanism 1. The cleaning mechanism scrapes the stains adhered to the trailing cable connected to the shearer. The cleaning mechanism includes an upper scraper 10 and side scrapers 12. The upper scraper 10 is slidably connected inside the cable dragging mechanism 1. Side scrapers 12 are slidably connected to both the left and right sides inside the upper scraper 10; A middle screw rod 14 is rotatably connected to the cable dragging mechanism 1. The middle screw rod 14 is threadedly connected to the upper scraper 10. Side screw rods 11 are rotatably connected to both sides of the cable dragging mechanism 1. The side screw rods 11 are threadedly connected to the side scrapers 12. One end of the screw column 6 is threadedly connected to a nut 13, and both ends of the screw column 6 protrude outside the cable dragging mechanism 1.

[0031] Change the positions of the upper scraper 10 and the side scrapers 12 according to the size of the cable. Turn the middle screw rod 14 by hand, and the rotation of the middle screw rod 14 raises and lowers the upper scraper 10. Turn the side screw rod 11 by hand, and the rotation of the side screw rod 11 moves the side scrapers 12. The side scrapers 12 on both sides and the upper scraper 10 above move until they contact the outer side of the cable. During the process of pulling the cable, the upper scraper 10 and the side scrapers 12 scrape the stains adhered to the surface of the cable, and it can be better wound during the later rotation of the winding rod 5, keeping the wound cable clean.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A towing cable device for a coal mining machine, comprising a winding rod (5) which is rotatably connected to a towing cable mechanism (1) via a shaft; It is characterized in that Also includes: The interior of the towing cable mechanism (1) is connected to two rotating rods (8), and both left and right sides of the rotating rods (8) are penetrated by limiting plates (9); An adjustment mechanism is provided on the limit plate (9), and the distance between the left and right limit plates (9) is adjusted by the setting of the adjustment mechanism; A cleaning mechanism is provided at the end of the towing cable mechanism (1), and the cleaning mechanism is used to scrape away dirt adhered to the towing cable connected to the coal mining machine.

2. A towing cable device for a coal mining machine according to claim 1, characterized in that: The adjustment mechanism comprises a bidirectional threaded rod (7), a side gear (3), a threaded column (6) and a middle gear (2); the threaded column (6) is rotatably connected to the interior of the towing cable mechanism (1); the middle gear (2) is mounted on the threaded column (6); both bidirectional threaded rods (7) are rotatably connected to the towing cable mechanism (1); and the side gear (3) is fixed to the end of the bidirectional threaded rod (7).

3. A towing cable device for a coal mining machine according to claim 2, characterized in that: The bidirectional threaded rod (7) is threadedly connected to the limit plate (9), the side gear (3) and the middle gear (2) are meshed with each other, the left and right bidirectional threaded rods (7) are respectively located on the left and right sides of the thread column (6), the thread column (6) and the bidirectional threaded rod (7) have the same height, and the thread directions of the two bidirectional threaded rods (7) are opposite.

4. A towing cable device for a coal mining machine according to claim 1, characterized in that: A motor (4) is installed on the towing cable mechanism (1), and the output end of the motor (4) is fixedly connected to the shaft of the winding rod (5).

5. A towing cable device for a coal mining machine according to claim 1, characterized in that: The cleaning mechanism comprises an upper scraper (10) and a side scraper (12); the upper scraper (10) is slidably connected inside the towing cable mechanism (1); and the side scrapers (12) are slidably connected to both left and right sides of the interior of the upper scraper (10).

6. A towing cable device for a coal mining machine according to claim 5, characterized in that: The towing cable mechanism (1) is rotatably connected to a middle screw rod (14), which is threadedly connected to the upper scraper (10); the sides of the towing cable mechanism (1) are rotatably connected to side screw rods (11), which are threadedly connected to the side scrapers (12).

7. A towing cable device for a coal mining machine according to claim 3, characterized in that: One end of the threaded column (6) is threadedly connected to a nut (13), and both ends of the threaded column (6) protrude from the outside of the towing cable mechanism (1).

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