Traction device of coal mining machine

Abstract

The utility model discloses a traction device of a coal mining machine, which relates to the technical field of coal mining machines and comprises a main body, a rotating groove is arranged on the lower surface of the main body, a transmission device is rotatably mounted at the top of the inner wall of the rotating groove, and a threading groove penetrating to the outer side is arranged on the side wall of the main body. A connecting plate is fixedly installed on the side, close to the threading groove, of the main body, the main body is connected with detection equipment through the connecting plate, a first cavity is formed in the main body, a rotating shaft is rotatably installed on the inner wall of the first cavity, a low-speed motor is arranged on the side face of the main body, and a take-up frame is fixedly installed on the outer surface of the rotating shaft; a cable fixing groove is formed in the surface of the take-up frame, a cable for providing electric energy for the transmission device is wound on the cable fixing groove, the cable penetrates out of the cable penetrating groove and then enters the detection equipment, the detection equipment detects the moving cable, a fluorescent material is sprayed to the periphery of the portion, with abnormal information, of the cable, detection by workers is facilitated, and the detection efficiency is improved. And the efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mining machines, in particular to a traction device for a coal mining machine. Background Art

[0002] A coal mining machine is a coal mining machine that uses a working mechanism to break coal from the coal body (breaking coal) and load it into the working face conveyor (loading coal) in a longwall coal mining face; electric traction is a form of rail transportation traction power that uses electricity as power; an electric traction coal mining machine is a coal mining machine that uses electricity as power for rail transportation traction; an electric traction coal mining machine is the core equipment of a fully mechanized mining face. The electric traction coal mining machine has good traction characteristics, good dynamic performance, sensitive response, reliable operation, high efficiency, long service life, and a complete detection and display system. It can adapt to gently inclined longwall fully mechanized mining faces in medium-hard coal seams and can operate safely in coal mines with explosive mixed gases, gas and coal dust.

[0003] The existing technology has the following problems: when the electric traction vehicle drives the coal mining machine to move, due to the excessive length of the cables, some of the cables will accumulate on the road where the electric traction vehicle is traveling, and will be damaged during the collection process. Workers need to conduct detailed inspections of the cables, resulting in reduced work efficiency. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A traction device for a coal mining machine comprises a main body, a coal mining mechanism is arranged on the side wall of the main body, a rotating groove is provided on the lower surface of the main body, a transmission device is rotatably installed on the top of the inner wall of the rotating groove, a threading groove is provided on the side wall of the main body and penetrates to the outside, a connecting plate is fixedly installed on one side of the main body close to the threading groove, and the main body is connected to a detection device through the connecting plate;

[0007] A first chamber is provided inside the main body, a rotating shaft is rotatably installed on the inner wall of the first chamber, a low-speed motor is provided on the side of the main body, the rotating shaft penetrates the main body and is fixedly connected to the output shaft of the low-speed motor, a wire take-up rack is fixedly installed on the outer surface of the rotating shaft, a wire fixing groove is provided on the surface of the wire take-up rack, a cable for providing electrical energy to the transmission device is wound on the wire fixing groove, and the cable passes through the wire threading groove and enters the detection equipment.

[0008] Preferably, the coal mining mechanism includes a rotating column, a rocker, a cutting roller and a high-speed motor, the rotating column is rotatably installed on the side of the main body, the rocker is fixedly installed on the outer surface of the rotating column, the cutting roller is rotatably installed on the side of the rocker away from the main body, the high-speed motor is provided on the side of the rocker close to the main body, and the cutting roller passes through the rocker and is fixedly connected to the high-speed motor.

[0009] Preferably, a plurality of first transmission shafts are rotatably mounted on the inner wall of the first chamber, the axes of the first transmission shafts are parallel to the axis of the rotating shaft, and the plurality of first transmission shafts are horizontally arranged along the rotating shaft threading groove.

[0010] Preferably, the connecting plate includes connecting ears respectively fixed to the main body and the detection device and fixing bolts that fix the two connecting ears.

[0011] Preferably, the detection equipment includes a box body, a connecting groove is provided on the lower surface of the box body, a transmission device is rotatably installed on the top of the inner wall of the connecting groove, a lead groove is provided throughout the box body, the lead groove extends horizontally from one side of the box body to the other side, the cable passes through the lead groove, a second chamber and a third chamber are provided in the box body, a scanning device facing the cable is provided in the second chamber, and a marking component is provided in the third chamber.

[0012] Preferably, a telescopic rod is fixedly mounted on the inner wall of the second chamber, and the scanning device is fixed on the output end of the telescopic rod.

[0013] Preferably, the marking assembly includes an oil tank and a conduit, oil pipes are fixedly installed on both sides of the inner wall of the third chamber, the axial direction of the oil pipe is perpendicular to the moving direction of the cable, a conduit is provided inside the third chamber, a pressure chamber is opened in the side wall of the conduit, a plurality of nozzles are provided on the inner wall of the conduit corresponding to the pressure chamber, the nozzle is connected to the pressure chamber, the pressure chamber is connected to the oil pipe, the other end of the oil pipe is connected to the pipeline, and the other end of the pipeline is connected to the oil tank.

[0014] Preferably, a plurality of second transmission shafts are rotatably mounted on the inner walls of the second chamber and the third chamber.

[0015] The top of the transmission rod is fixed in the connecting groove or the rotating groove, and the interior of the transmission rod is provided with a movable groove opening facing downward, and the top of the slide rod extends into the movable groove, and a fixed plate is fixed on the top of the slide rod, and the fixed plate is slidably connected with the transmission rod through the movable groove. A spring is provided in the interior of the movable groove, and two ends of the spring are respectively fixed on the top of the movable groove and the fixed plate, and the spring is fixed with a guide rod at the top of the movable groove, and a sliding groove is provided at the guide rod opposite to the slide rod, and the guide rod extends into the sliding groove, and the guide rod is slidably connected with the slide rod through the sliding groove, and a bottom plate is fixedly installed at the lower end of the slide rod, and side plates are fixedly installed on both sides of the bottom plate, a connecting rod is rotatably installed between the side plates on both sides, and a roller is coaxially fixedly installed on the connecting rod.

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

[0017] The utility model is provided with a rotating shaft, a detection device, a first transmission shaft and a second transmission shaft. The cable enters the detection device through a lead groove, and the second transmission shaft supports the cable, so that the cable can stably pass through the second chamber and the third chamber while preventing the cable from being damaged again; a scanning device in the second chamber scans the surface of the cable, and the cable with damaged surface is marked by spraying fluorescent liquid in the third chamber through a nozzle, and when the staff checks the cable surface again, it is only necessary to mark the position where the mark exists on the cable, thereby improving the work efficiency of the staff; during the movement, the cable is too long and easy to accumulate, and the rotating shaft in the main body drives the take-up frame to drive part of the cable into the first chamber to prevent the cable from being squeezed due to accumulation; when the cable enters the first chamber, the first transmission shaft supports the cable, changes the force on the cable at the threading groove, and can effectively prevent the cable from being damaged again. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model from another perspective;

[0020] Figure 3 for Figure 2 A partial enlarged view of middle A;

[0021] Figure 4 It is a schematic diagram of the internal structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the internal structure of the detection equipment in the utility model;

[0023] Figure 6 It is a partial structural sectional view of the detection equipment in the utility model;

[0024] Figure 7 It is a cross-sectional view of the transmission device in the utility model.

[0025] The corresponding relationship between the various figure labels and component names in the figure is as follows:

[0026] 1. Main body; 2. Rotating column; 3. Rocker; 4. Cutting drum; 5. High-speed motor; 6. Threading groove; 7. Rotating groove; 8. Transmission device; 9. Connecting plate; 10. Testing equipment; 11. Cable; 12. Fixing bolt; 13. First chamber; 14. Rotating shaft; 15. Low-speed motor; 16. Take-up rack; 17. Wire fixing groove; 18. First transmission shaft; 19. Box; 20. Oil tank; 21. Connecting groove; 22. Second chamber; 23. Telescopic rod; 24, scanning device; 25, third chamber; 26, oil pipeline; 27, conduit; 28, nozzle; 29, pipeline; 30, second transmission shaft; 31, guide groove; 32, transmission rod; 33, bottom plate; 34, side plate; 35, connecting rod; 36, roller; 37, connecting ear; 38, movable groove; 39, fixed plate; 40, sliding rod; 41, sliding groove; 42, guide rod; 43, spring; 44, pressure chamber; 45, coal mining mechanism. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0030] Reference Figure 1-7As shown, a coal mining machine traction device comprises a main body 1, a coal mining mechanism 45 is provided on the side wall of the main body 1, a threading groove 6 penetrating to the outside is provided on the side wall of the main body 1, a rotating groove 7 is provided on the lower surface of the main body 1, a transmission device 8 is rotatably installed on the top of the inner wall of the rotating groove 7, and the transmission device 8 enables the main body 1 to move as a whole, so as to realize the movement of the main body 1 in the coal mine, a connecting plate 9 is fixedly installed on one side of the main body 1 close to the threading groove 6, and the main body 1 is connected to a detection device 10 through the connecting plate 9, and the detection device 10 scans the cable 11 and marks the damaged part of the cable 11;

[0031] A first chamber 13 is provided inside the main body 1, and a rotating shaft 14 is rotatably installed on the inner wall of the first chamber 13. A low-speed motor 15 is provided on the side of the main body 1. The rotating shaft 14 penetrates the main body 1 and is fixedly connected to the output shaft of the low-speed motor 15. A wire take-up frame 16 is fixedly installed on the outer surface of the rotating shaft 14. A wire fixing groove 17 is provided on the surface of the wire take-up frame 16. A cable 11 for providing electrical energy to the transmission device 8 is wound on the wire fixing groove 17. The cable 11 passes through the wire threading groove 6 and enters the detection equipment 10. The low-speed motor 15 drives the wire take-up frame 16 on the rotating shaft 14 to rotate, so that the wire take-up frame 16 winds and collects the cable 11.

[0032] The coal mining mechanism 45 includes a rotating column 2, a rocker 3, a cutting roller 36 and a high-speed motor 5. The rotating column 2 is rotatably installed on the side of the main body 1, and the rocker 3 is fixedly installed on the outer surface of the rotating column 2. The rotating column 2 is connected to an external power source, and the rotating column 2 drives the rocker 3 to swing back and forth. The cutting drum 4 is rotatably installed on the side of the rocker 3 away from the main body 1, and a high-speed motor 5 is provided on the side of the rocker 3 close to the main body 1. The cutting drum 4 penetrates the rocker 3 and is fixedly connected to the high-speed motor 5. The high-speed motor 5 drives the cutting drum 4 to rotate at a high speed. Driven by the rocker 3, the cutting drum 4 completes the excavation of the coal mine.

[0033] A plurality of first transmission shafts 18 are rotatably mounted on the inner wall of the first chamber 13. The axis of the first transmission shaft 18 is parallel to the axis of the rotating shaft 14, and the plurality of first transmission shafts 18 are horizontally arranged from the rotating shaft 14 to the wire threading groove 6, so that when the cable 11 moves in the wire threading groove 6, the moving direction is kept consistent with the axis of the wire threading groove 6, thereby reducing the wear between the cable 11 and the wire threading groove 6.

[0034] The connecting plate 9 includes connecting ears 37 respectively fixed on the main body 1 and the detection device 10 and a fixing bolt 12 that fixes the two connecting ears 37. The two connecting ears 37 can be fixedly connected by the fixing bolt 12. The main body 1 and the detection device 10 can be separated by removing the fixing bolt 12, which is convenient for separate movement and more flexible to use.

[0035] The detection device 10 includes a box body 19, and the side of the box body 19 close to the main body 1 is fixedly connected to the connecting plate 9. An oil tank 20 is fixedly installed on the upper surface of the box body 19. The oil tank 20 uses a booster pump to pressurize the fluorescent liquid in the oil tank 20. A connecting groove 21 is opened on the lower surface of the box body 19, and a transmission device 8 is rotatably installed on the top of the inner wall of the connecting groove 21. A second chamber 22 and a third chamber 25 are opened inside the box body 19. A scanning device 24 facing the cable 11 is provided in the second chamber 22, and a marking component is provided in the third chamber 25. A lead groove 31 is opened through the box body 19, and the lead groove 31 extends horizontally from one side of the box body 19 to the other side, so that the second chamber 22 and the third chamber 25 are connected to the outside, and the cable 11 passes through the lead groove 31, so that the cable 11 passes through the second chamber 22 and the third chamber 25 in sequence.

[0036] A telescopic rod 23 is fixedly installed on the inner wall of the second chamber 22, and the axial direction of the telescopic rod 23 is perpendicular to the forward direction of the cable 11. A scanning device 24 facing the cable 11 is fixedly installed on the end of the telescopic rod 23. The scanning device 24 is specifically: the light on the surface of the cable 11 can be collected by CCD and transmitted to the A / D converter. The A / D converter converts the optical signal into an electrical signal and transmits it to the integrated chip. The integrated chip processes and transmits the electrical signal, so as to detect whether the surface of the cable 11 is damaged.

[0037] The marking assembly includes an oil tank 20 and a conduit 27. The inner walls of the third chamber 25 are fixedly mounted with oil pipes 26. The axial direction of the oil pipes 26 is perpendicular to the moving direction of the cable 11. The third chamber 25 is provided with a conduit 27. The cable 11 passes through the conduit 27. A pressure chamber 44 is provided in the side wall of the conduit 27. A plurality of nozzles 28 are provided on the inner wall of the conduit 27 corresponding to the pressure chamber 44. The nozzles 28 are connected to the pressure chamber 44. The pressure chamber 44 is connected to the oil pipe 26. The oil pipe 26 is connected to the pressure chamber 44. The other end is connected to the pipeline 29, and the other end of the pipeline 29 is connected to the oil tank 20. A solenoid valve is provided between the pipeline 29 and the oil tank 20. The opening and closing of the solenoid valve are controlled by a signal. When the solenoid valve is opened, the fluorescent liquid in the oil tank 20 enters the interior of the pressure chamber 44 from the conduit 27 and the oil pipeline 26 in turn, and is then sprayed onto the surface of the cable 11 located in the conduit 27 through the nozzle 28. In order to improve the clarity of the marking on the cable 11, the nozzles 28 are distributed in a ring on the inner wall of the conduit 27 to spray from multiple angles.

[0038] A plurality of second transmission shafts 30 are rotatably mounted on the inner walls of the second chamber 22 and the third chamber 25 , evenly distributed above and below the guide groove 31 , perpendicular to the moving direction of the cable 11 , so that the cable 11 passing through the second chamber 22 and the third chamber 25 can move stably.

[0039] The transmission device 8 includes a transmission rod 32, a slide rod 40 and a roller 36; the top of the transmission rod 32 is fixed to the inside of the connecting groove 21 or the rotating groove 7, the inside of the transmission rod 32 is provided with a moving groove 38 with an opening facing downward, the top of the slide rod 40 extends into the inside of the moving groove 38, a fixing plate 39 is fixed to the top of the slide rod 40, the fixing plate 39 is slidably connected with the inside of the moving groove 38, a spring 43 is also provided inside the moving groove 38, the two ends of the spring 43 are respectively fixed to the top of the moving groove 38 and the fixing plate 39, further, in the moving groove 3 A guide rod 42 is fixed to the top of 8, and a sliding groove 41 is provided on the guide rod 42 opposite to the sliding rod 40. The guide rod 42 extends into the sliding groove 41, and the guide rod 42 is slidably connected to the sliding groove 41. A bottom plate 33 is fixedly installed at the lower end of the sliding rod 40, and side plates 34 are fixedly installed on both sides of the bottom plate 33. A connecting rod 35 is rotatably installed between the side plates 34 on both sides. The connecting rod 35 is externally connected to a power source, and a roller 36 is coaxially fixedly installed on the connecting rod 35. The staff controls the rotation of the connecting rod 35 and the roller 36, thereby controlling the overall movement of the tractor.

[0040] Working principle: The staff turns on the high-speed motor 5, which drives the cutting drum 4 to rotate at high speed. The staff controls the rotation of the connecting rod 35 and the roller 36 in the transmission device 8, thereby controlling the tractor to move slowly as a whole. At the same time, the rotating column 2 drives the rocker 3 and the cutting drum 4 to move slowly. Under the cooperation of the roller 36 and the rocker 3, the cutting drum 4 collects coal in the coal mine layer. The cable 11 passes through the threading groove 6 and the lead groove 31 into the tractor. The cable 11 passes through the second transmission shaft 30 and the first transmission shaft 18. It enters the fixed cable groove 17 smoothly, the low-speed motor 15 drives the take-up frame 16 on the rotating shaft 14 to wind the cable 11, the telescopic rod 23 in the detection equipment 10 pushes the scanning device 24 to be fixed around the cable 11, and the scanning device 24 detects the moving cable 11. When damage is detected on the surface of the cable 11, the electric valve in the control nozzle 28 is opened, and the fluorescent material in the oil tank 20 is sprayed around the abnormal information part on the cable 11 through the pipeline 29, the oil pipeline 26 and the nozzle 28, so as to facilitate the staff to carry out detection.

[0041] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A traction device for a coal mining machine, comprising a main body (1), a side wall of the main body (1) being provided with a coal mining mechanism (45), a lower surface of the main body (1) being provided with a rotation groove (7), a top of an inner wall of the rotation groove (7) being rotatably provided with a transmission device (8), characterized in that: A threading groove (6) extending to the outside is provided on the side wall of the main body (1); a connecting plate (9) is fixedly mounted on a side of the main body (1) close to the threading groove (6); and the main body (1) is connected to the detection device (10) via the connecting plate (9); A first chamber (13) is provided inside the main body (1), a rotating shaft (14) is rotatably mounted on the inner wall of the first chamber (13), a low-speed motor (15) is provided on the side of the main body (1), the rotating shaft (14) passes through the main body (1) and is fixedly connected to the output shaft of the low-speed motor (15), a wire take-up frame (16) is fixedly mounted on the outer surface of the rotating shaft (14), a wire fixing groove (17) is provided on the surface of the wire take-up frame (16), a cable (11) for providing electric energy to the transmission device (8) is wound on the wire fixing groove (17), and the cable (11) passes through the wire threading groove (6) and enters the detection device (10).

2. A coal mining machine traction device according to claim 1, characterized in that: The coal mining mechanism (45) comprises a rotating column (2), a rocking arm (3), a cutting roller (36) and a high-speed motor (5); the rotating column (2) is rotatably mounted on the side of the main body (1); the rocking arm (3) is fixedly mounted on the outer surface of the rotating column (2); a cutting roller (4) is rotatably mounted on the side of the rocking arm (3) away from the main body (1); a high-speed motor (5) is provided on the side of the rocking arm (3) close to the main body (1); and the cutting roller (4) passes through the rocking arm (3) and is fixedly connected to the high-speed motor (5).

3. A coal mining machine traction device according to claim 1, characterized in that: A plurality of first transmission shafts (18) are rotatably mounted on the inner wall of the first chamber (13); the axes of the first transmission shafts (18) are parallel to the axis of the rotating shaft (14); and the plurality of first transmission shafts (18) are horizontally arranged from the rotating shaft (14) toward the threading groove (6).

4. A coal mining machine traction device according to claim 1, characterized in that: The connecting plate (9) comprises connecting ears (37) respectively fixed to the main body (1) and the detection device (10), and a fixing bolt (12) for fixing the two connecting ears (37).

5. A coal mining machine traction device according to claim 1, characterized in that: The detection device (10) comprises a box (19), a connection groove (21) is provided on the lower surface of the box (19), a transmission device (8) is rotatably mounted on the top of the inner wall of the connection groove (21), a lead groove (31) is provided through the box (19), the lead groove (31) extends horizontally from one side of the box (19) to the other side, the cable (11) passes through the lead groove (31), a second chamber (22) and a third chamber (25) are provided in the box (19), a scanning device (24) facing the cable (11) is provided in the second chamber (22), and a marking component is provided in the third chamber (25).

6. A coal mining machine traction device according to claim 5, characterized in that: A telescopic rod (23) is fixedly mounted on the inner wall of the second chamber (22), and the scanning device (24) is fixed on the output end of the telescopic rod (23).

7. A coal mining machine traction device according to claim 5, characterized in that: The marking assembly comprises an oil tank (20) and a conduit (27). Oil pipes (26) are fixedly mounted on both sides of the inner wall of the third chamber (25). The axial direction of the oil pipe (26) is perpendicular to the moving direction of the cable (11). A pressure chamber (44) is provided in the side wall of the conduit (27). A plurality of nozzles (28) are provided on the inner wall of the conduit (27) corresponding to the pressure chamber (44). The nozzles (28) are connected to the pressure chamber (44). The pressure chamber (44) is connected to the oil pipe (26). The other end of the oil pipe (26) is connected to a pipeline (29). The other end of the pipeline (29) is connected to the oil tank (20).

8. A coal mining machine traction device according to claim 5, characterized in that: A plurality of second transmission shafts (30) are rotatably mounted on the inner walls of the second chamber (22) and the third chamber (25).

9. A coal mining machine traction device according to claim 1, characterized in that: The transmission device (8) comprises a transmission rod (32), a slide rod (40) and a roller (36); the top end of the transmission rod (32) is fixed inside the connecting groove (21) or the rotating groove (7); a moving groove (38) with an opening facing downward is provided inside the transmission rod (32); the top end of the slide rod (40) extends into the moving groove (38); a fixing plate (39) is fixed on the top end of the slide rod (40); the fixing plate (39) is slidably connected to the transmission rod (32) via the moving groove (38); a spring (43) is provided inside the moving groove (38); two ends of the spring (43) are respectively fixed to the top of the moving groove (38); The spring (43) is fixed with a guide rod (42) at the top of the movable groove (38), and a sliding groove (41) is formed on the guide rod (42) opposite to the sliding rod (40). The guide rod (42) extends into the sliding groove (41), and the guide rod (42) is slidably connected to the sliding rod (40) through the sliding groove (41). A bottom plate (33) is fixedly mounted on the lower end of the sliding rod (40), and side plates (34) are fixedly mounted on both sides of the bottom plate (33). A connecting rod (35) is rotatably mounted between the side plates (34) on both sides, and a roller (36) is coaxially fixedly mounted on the connecting rod (35).

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