Self-adaptive intelligent cable towing device for coal mining machine and use method thereof

Abstract

The invention discloses a self-adaptive intelligent cable towing device for a coal mining machine and a using method of the self-adaptive intelligent cable towing device, and belongs to the technical field of coal mining machines. The self-adaptive intelligent cable towing device comprises a cable towing frame, a mounting assembly, a movable seat, a weighing sensor, a pressure-bearing seat, a guide assembly, a limiting assembly and a pressing plate assembly; the movable seat is rotatably mounted in the middle of one end of the towing frame, the weighing sensor is mounted on the movable seat, the pressure-bearing seat is rotatably mounted at the bottom of the towing frame, the guide assembly is arranged between the movable seat and the pressure-bearing seat and used for guiding and positioning the weighing sensor, and the limiting assembly is arranged at the bottom of the towing frame and used for limiting the movable seat. The pressing plate assembly is fixed to the side, close to the movable base, of the towing frame. Tension for dragging the cable is converted into pressure, pressure measurement is performed through the weighing sensor, early warning protection can be performed on the cable clamp, the cable clamp is prevented from being snapped by extreme external force, the service life of the cable is effectively prolonged, and the production efficiency of the coal mining machine is effectively improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of coal mining machines, and in particular relates to an adaptive intelligent towing cable device for a coal mining machine and a use method thereof. Background Art

[0002] During the underground production process in coal mines, the protection and traction of power cables on the working face are completed by related towing cable equipment. In order to reduce the failure rate of the towing cable device during operation and improve the safety of cable use, it is necessary to fix it with the help of cable clamps before towing it.

[0003] During the underground production process of the coal mining machine, it is necessary to connect cables and high-pressure water pipes. The existing comprehensive mining working face is equipped with a towing cable device to protect the cables and external high-pressure water pipes. However, during the application process, it is inevitable that the cable clamp plate will be offset, the protection will fail, and the cable clamp will be broken. In actual use, the towing cable device drags the cable back and forth in the cable trough of the scraper. Once stuck, the control core wire and optical fiber in the cable will be broken. In severe cases, the cable will also be broken. Once the cable is damaged and broken, the coal mining machine will lose power and stop, and it will be unable to mine coal normally. It takes a long time to repair the broken cable or replace the cable, which causes great waste and seriously affects the normal production of the mine. At the same time, it increases the equipment operation and maintenance costs. Summary of the invention

[0004] In order to at least partially solve the technical problems existing in the above-mentioned prior art, the present invention provides an adaptive intelligent towing cable device for a coal mining machine and a method for using the same.

[0005] In one aspect of the present invention, an adaptive intelligent cable towing device for a coal mining machine is provided, comprising: a cable towing frame, a mounting assembly, a movable seat, a weighing sensor, a pressure-bearing seat, a guide assembly, a limit assembly and a pressure plate assembly, wherein the cable towing frame is installed on the coal mining machine through the mounting assembly, the movable seat is rotatably installed in the middle of one end of the cable towing frame, the weighing sensor is installed on the movable seat, the pressure-bearing seat is rotatably installed at the bottom of the cable towing frame, the guide assembly is arranged between the movable seat and the pressure-bearing seat for guiding and positioning the weighing sensor, the limit assembly is arranged at the bottom of the cable towing frame for limiting the movable seat, the pressure plate assembly is fixed on the side of the cable towing frame close to the movable seat, the cable clamp with a cable passing through it can bypass the cable towing frame and be rotatably connected to the movable seat, the pressure plate assembly can press the cable on the cable towing frame, and when the cable clamp connected to the movable seat is subjected to tension, the movable seat rotates toward the pressure-bearing seat, and the guide assembly applies pressure to the weighing sensor.

[0006] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the towing cable frame includes a connecting plate, a connecting ear plate, an arc table and a support seat, the connecting ear plate is welded to the bottom of the front end of the connecting plate, the arc table is welded to one side of the upper front end of the connecting plate, the support seat is welded to the other side of the upper front end of the connecting plate, a connecting hole is provided at the rear end of the connecting plate, and a first reamed hole and a second reamed hole are penetrated by the connecting ear plate.

[0007] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the movable seat includes a movable plate, a cable clamp hinge ear and a mounting plate, the movable plate is symmetrically arranged on both sides of the mounting plate, the cable clamp hinge ear is symmetrically arranged on one side of the top of the movable plate, a third reamed hole is arranged at the bottom of the movable plate, the third reamed hole is coaxial with the first reamed hole, the third reamed hole is connected to the first reamed hole through a hinge shaft, a mounting groove is arranged on the mounting plate, and the weighing sensor is fixed in the mounting groove by screws.

[0008] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, a fourth reamed hole is arranged on the pressure bearing seat, the fourth reamed hole is coaxial with the second reamed hole, the fourth reamed hole is connected to the second reamed hole through a hinge shaft, and a first connecting threaded hole is arranged at the bottom of the pressure bearing seat.

[0009] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the guide assembly includes a guide bolt and a double threaded rod, the guide bolt is threadedly engaged with the weighing sensor, a second connecting threaded hole is provided on the top of the guide bolt, one end of the double threaded rod is threadedly engaged with the first connecting threaded hole, and the other end of the double threaded rod is threadedly engaged with the second connecting threaded hole.

[0010] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the limiting assembly includes a limiting plate and a limiting bolt, the limiting plate is welded at the bottom of the connecting plate and corresponds to the movable plate, the limiting bolt is threadedly engaged with the limiting plate, and one end of the limiting bolt abuts against the movable plate.

[0011] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the pressure plate assembly includes a fixed pressure plate and a fixing bolt, the fixed pressure plate matches the support seat, and the fixing bolt passes through the fixed pressure plate and is threadedly engaged with the support seat.

[0012] Furthermore, in the above-mentioned adaptive intelligent towing cable device for coal mining machine, the installation assembly includes connecting screws and positioning pins, the positioning pins are welded to the bottom of the connecting plate near the middle of the connecting holes on both sides, the connecting screws match the connecting holes, and the connecting screws pass through the connecting holes to be connected and fixed to the coal mining machine.

[0013] In another aspect of the present invention, a method for using the above-mentioned adaptive intelligent towing cable device for a coal mining machine is provided, comprising: Fasten the towing cable frame to the coal mining machine through the mounting assembly; Introduce the cable clamp with the cable through one end of the towing cable rack, make the cable clamp pass through the towing cable rack, rotatably connect one end of the cable clamp with the movable seat, lead the cable out from the other end of the towing cable rack, and use the pressing plate assembly to press the cable onto the towing cable rack; Adjust the limit assembly so that the limit assembly cooperates with the movable seat and determines the initial position of the movable seat; When the coal mining machine is in working state, when the cable is dragged, the cable clamp and the movable seat rotate synchronously, and the tension generated when the cable is dragged is transmitted to the weighing sensor through the cooperation of the movable seat and the pressure-bearing seat, so that the weighing sensor fixed on the movable seat can measure the tension exerted on the cable clamp when the cable is dragged. When the dragging force exceeds the set value of the weighing sensor, the weighing sensor feeds back to the coal mining machine control system, so that the coal mining machine control system operates the coal mining machine to slow down or stop.

[0014] The adaptive intelligent towing cable device for coal mining machine and the use method thereof of the present invention have the following advantages and beneficial effects: (1) The cable is fixed to the towing cable rack using a pressure plate assembly, which effectively prevents the cable clamp from deviating to the left or right, and also serves as an effective fixed end for force measurement; (2) The towing cable frame is connected to the coal mining machine using an installation assembly, which effectively prevents the towing cable frame from being affected by the shear force generated during the towing process and improves stability; (3) The movable seat and the pressure seat are combined to convert the tensile force to be measured into the weighing force by using the lever principle. The pressure seat is rotated to adaptively adjust the angle, which effectively avoids the upper and lower loads on the weighing sensor, ensures the force balance of the weighing sensor, and ensures the accuracy and stability of the measurement data. It can accurately provide early warning protection for the cable, effectively improving the service life of the cable and the production efficiency of the coal mining machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings in the following descriptions are only used to further understand the embodiments of the present invention and constitute a part of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings: Figure 1 It is a schematic diagram of the three-dimensional structure of the adaptive intelligent towing cable device for coal mining machine of the present invention; Figure 2 It is a front view of the adaptive intelligent towing cable device for coal mining machine of the present invention; Figure 3 It is a left view of the self-adaptive intelligent cable-pulling device for coal mining machine of the present invention after the arc platform is removed; Figure 4 It is a top view of the adaptive intelligent cable-tow device for coal mining machine of the present invention, wherein the pressure plate assembly is not shown; Figure 5 It is an enlarged structural schematic diagram of the limiting component of the adaptive intelligent towing cable device for a coal mining machine of the present invention; Figure 6 A front view of a towing cable frame of the self-adaptive intelligent towing cable device for a coal mining machine of the present invention; Figure 7 for Figure 6 Sectional view along AA direction; Figure 8 It is a structural schematic diagram of a movable seat of the adaptive intelligent towing cable device for a coal mining machine of the present invention; Fig. 9 for Figure 8 Left view of Fig.10 It is a structural cross-sectional view of the pressure bearing seat of the self-adaptive intelligent towing cable device for coal mining machine of the present invention; Fig.11 for Fig.10 Left view of .

[0016] Description of reference numerals: 1: towing cable rack, 11: connecting plate, 12: connecting hole, 13: connecting ear plate, 14: first reaming hole, 15: second reaming hole, 16: arc platform, 17: supporting seat; 2: installation assembly, 21: connecting screw, 22: positioning pin; 3: movable seat, 31: movable plate, 32: third reaming hole, 33: cable clamp reaming ear, 34: mounting plate, 35: mounting slot; 4: weighing sensor; 5: pressure bearing seat, 51: fourth reaming hole, 52: first connecting threaded hole; 6: guide assembly, 61: guide bolt, 62: second connecting threaded hole, 63: double threaded rod; 7: limit assembly, 71: limit plate, 72: limit bolt; 8: pressure plate assembly, 81: fixed pressure plate, 82: fixing bolt. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] like Figures 1 to 11 As shown, an embodiment of the present invention provides an adaptive intelligent cable towing device for a coal mining machine, including a cable towing frame 1, an installation component 2, a movable seat 3, a weighing sensor 4, a pressure seat 5, a guide component 6, a limit component 7 and a pressure plate component 8. The cable towing frame 1 is installed on the coal mining machine through the installation component 2, the movable seat 3 is rotatably installed in the middle of one end of the cable towing frame 1, the weighing sensor 4 is installed on the movable seat 3, and the pressure seat 5 is rotatably installed at the bottom of the cable towing frame 1. The guide component 6 is arranged between the movable seat 3 and the pressure seat 5, and is used to guide and position the weighing sensor 4. The limit component 7 is arranged at the bottom of the cable towing frame 1, and is used to limit the movable seat 3. The pressure plate component 8 is fixed to the side of the cable towing frame 1 close to the movable seat 3. The cable clamp with the cable can bypass the cable towing frame 1 and be rotatably connected to the movable seat 3. The pressure plate component 8 can press the cable on the cable towing frame 1. When the cable clamp connected to the movable seat 3 is subjected to tension, the movable seat 3 rotates toward the pressure seat 5, and the guide component 6 applies pressure to the weighing sensor 4.

[0019] Specifically, when the adaptive intelligent cable-pulling device for a coal mining machine provided by an embodiment of the present invention is used, the cable-pulling frame 1 is fastened to the coal mining machine through the mounting assembly 2; the cable clamp with the cable passed through is introduced from one end of the cable-pulling frame 1, and after the cable clamp is passed around the cable-pulling frame 1, one end of the cable clamp is rotatably connected to the movable seat 3, the cable is led out from the other end of the cable-pulling frame 1, and the cable is pressed against the cable-pulling frame 1 by the pressing plate assembly 8; the limit assembly 7 is adjusted so that the limit assembly 7 cooperates with the movable seat 3 to determine the initial position of the movable seat 3; in the working state of the coal mining machine, when the cable is dragged, the cable clamp and the movable seat 3 rotate synchronously, and the tension generated when the cable is dragged is transmitted to the weighing sensor 4 through the cooperation between the movable seat 3 and the pressure-bearing seat 5, so that the weighing sensor 4 fixed on the movable seat 3 can measure the tension exerted on the cable clamp when the cable is dragged; when the dragging tension exceeds the set value of the weighing sensor 4, the weighing sensor 4 is fed back to the coal mining machine control system, so that the coal mining machine control system operates the coal mining machine to slow down or stop. When the pulling force generated by the dragging cable is transmitted, the pressure-bearing seat 5 and the movable seat 3 are limited by the guide assembly 6, which can limit the position of the weighing sensor 4. At the same time, the weighing sensor 4 can rotate and automatically align with the pressure-bearing seat 5 to ensure the accuracy and stability of the measurement data.

[0020] refer to Figure 2 and Figure 6-7 Furthermore, in the adaptive intelligent towing cable device for coal mining machine provided in the embodiment of the present invention, the towing cable frame 1 includes a connecting plate 11, a connecting ear plate 13, an arc platform 16 and a support seat 17, the connecting ear plate 13 is welded to the bottom of the front end of the connecting plate 11, the arc platform 16 is welded to one side of the upper front end of the connecting plate 11, the support seat 17 is welded to the other side of the upper front end of the connecting plate 11, a connecting hole 12 is provided at the rear end of the connecting plate 11, and a first reamed hole 14 and a second reamed hole 15 are penetrated by the connecting ear plate 13.

[0021] refer to Figure 2 and Figure 6-9 Furthermore, in the adaptive intelligent towing cable device for coal mining machine provided in the embodiment of the present invention, the movable seat 3 includes a movable plate 31, a cable clamp hinge ear 33 and a mounting plate 34, the movable plate 31 is symmetrically arranged on both sides of the mounting plate 34, and the cable clamp hinge ear 33 is symmetrically arranged on one side of the top of the movable plate 31, so that the cable clamp can be rotatably connected to the movable seat 3, and a third reamed hole 32 is arranged at the bottom of the movable plate 31, and the third reamed hole 32 is coaxial with the first reamed hole 14, and the third reamed hole 32 is connected to the first reamed hole 14 through a hinge shaft, so that the movable seat 3 is rotatably connected to the towing cable frame 1, and a mounting groove 35 is arranged on the mounting plate 34, and the weighing sensor 4 is fixed in the mounting groove 35 by screws, thereby ensuring that the weighing sensor 4 moves with the movable seat 3.

[0022] refer to Figure 2 , Figure 6-7 and Figure 10-11 Furthermore, in the adaptive intelligent towing cable device for a coal mining machine provided in an embodiment of the present invention, a fourth reamed hole 51 is provided on the pressure-bearing seat 5, the fourth reamed hole 51 is coaxial with the second reamed hole 15, the fourth reamed hole 51 is connected to the second reamed hole 15 through a hinge shaft, and a first connecting threaded hole 52 is provided at the bottom of the pressure-bearing seat 5, thereby ensuring that the pressure-bearing seat 5 is rotatably connected to the towing cable frame 1.

[0023] refer to Figure 5 and Figure 10-11 Furthermore, in the adaptive intelligent towing cable device for coal mining machines provided in the embodiment of the present invention, the guide assembly 6 includes a guide bolt 61 and a double-threaded rod 63. The guide bolt 61 is threadedly engaged with the weighing sensor 4. A second connecting threaded hole 62 is provided on the top of the guide bolt 61. One end of the double-threaded rod 63 is threadedly engaged with the first connecting threaded hole 52, and the other end of the double-threaded rod 63 is threadedly engaged with the second connecting threaded hole 62. When the cable clamp on the movable seat 3 is subjected to tension, the movable seat 3 rotates toward the pressure-bearing seat 5. At the same time, the guide bolt 61 applies pressure to the weighing sensor 4. When an overload occurs on the contact surface between the guide bolt 61 and the weighing sensor 4, the pressure-bearing seat 5 rotates to adjust the guide bolt 61 through the double-threaded rod 63, so that the force on the weighing sensor 4 is always positive pressure.

[0024] In the embodiment of the present invention, the tension is converted into pressure by utilizing the lever principle, and is measured by the weighing sensor 4, and the force applied to the weighing sensor 4 is always positive pressure, thereby effectively improving the accuracy and effectiveness of data collection.

[0025] refer to Figure 2 and Figure 5 Furthermore, in the adaptive intelligent towing cable device for coal mining machine provided in the embodiment of the present invention, the limiting assembly 7 includes a limiting plate 71 and a limiting bolt 72. The limiting plate 71 is welded to the bottom of the connecting plate 11 and corresponds to the movable plate 31. The limiting bolt 72 is threadedly engaged with the limiting plate 71. One end of the limiting bolt 72 abuts against the movable plate 31, thereby effectively limiting the range of motion of the movable seat 3 and determining the initial position of the movable seat 3.

[0026] refer to Figure 1-2 Furthermore, in the adaptive intelligent towing cable device for coal mining machines provided in the embodiment of the present invention, the pressure plate assembly 8 includes a fixed pressure plate 81 and a fixing bolt 82. The fixed pressure plate 81 is matched with the support seat 17. The fixing bolt 82 passes through the fixed pressure plate 81 and is threadedly engaged with the support seat 17. Fixed grooves are respectively arranged in the middle of the fixed pressure plate 81 and the support seat 17. A gap is arranged between the joint surfaces of the fixed pressure plate 81 and the support seat 17, thereby improving the clamping ability of the fixed pressure plate 81 and the support seat 17 on the cable, so that the cable forms a tension fixed fulcrum, and at the same time effectively prevents the cable clamp from deviating to the left or right.

[0027] refer to Figure 3 Furthermore, in the adaptive intelligent towing cable device for the coal mining machine provided in the embodiment of the present invention, the installation component 2 includes a connecting screw 21 and a positioning pin 22. The positioning pin 22 is welded to the bottom of the connecting plate 11 near the middle of the connecting holes 12 on both sides. The connecting screw 21 matches the connecting hole 12. The connecting screw 21 passes through the connecting hole 12 and is connected and fixed to the coal mining machine. The positioning pin 22 plays a positioning role during installation to improve the installation efficiency. At the same time, it withstands the shear force generated between the towing cable frame 1 and the coal mining machine during the towing process, effectively avoiding the connecting screw 21 from being affected by the shear force, and effectively improving the stability.

[0028] In another aspect of the present invention, a method for using the above-mentioned adaptive intelligent towing cable device for a coal mining machine is provided, comprising: Fasten the tow cable frame 1 to the coal mining machine through the mounting assembly 2; The cable clamp with the cable inserted is introduced from one end of the towing cable rack 1. After the cable clamp passes around the towing cable rack 1, one end of the cable clamp is rotatably connected to the movable seat 3, the cable is led out from the other end of the towing cable rack 1, and the cable is pressed against the towing cable rack 1 by the pressing plate assembly 8; Adjust the limit assembly 7 so that the limit assembly 7 cooperates with the movable seat 3 to determine the initial position of the movable seat 3; When the coal mining machine is in working state, when the cable is dragged, the cable clamp and the movable seat 3 rotate synchronously, and the tension generated when the cable is dragged is transmitted to the weighing sensor 4 through the cooperation of the movable seat 3 and the pressure-bearing seat 5, so that the weighing sensor 4 fixed on the movable seat 3 can measure the tension exerted on the cable clamp when the cable is dragged. When the dragging tension exceeds the set value of the weighing sensor 4, the weighing sensor 4 feeds back to the coal mining machine control system, so that the coal mining machine control system operates the coal mining machine to slow down or stop.

[0029] More specifically, based on the specific structure of the adaptive intelligent towing cable device for coal mining machine defined above, the use method includes: Position the towing cable frame 1 with the coal mining machine through the positioning pins 22, and fasten it with the coal mining machine through the connecting screws 21; Lead the cable clamp with the cable through the arc platform 16, make the cable clamp pass around the arc platform 16, connect one end of the cable clamp with the cable clamp hinge ear 33 through the hinge shaft, lead the cable out from one end of the support seat 17, and use the fixing plate 81 and the fixing bolt 82 to press the cable on the support seat 17; Adjust the limiting assembly 7 so that the limiting bolt 72 abuts against the movable plate 31, thereby determining the initial position of the movable seat 3; When the coal mining machine is in working state, when the movable seat 3 connected to the cable clamp drags the cable clamp, the cable rotates around the arc table 16 through the cable clamp, and the tension generated when the cable is dragged is transmitted to the weighing sensor 4 through the cooperation between the movable seat 3 and the pressure-bearing seat 5, so that the weighing sensor 4 fixed on the movable seat 3 can measure the tension exerted on the cable clamp when the cable is dragged. When the dragging tension exceeds the set value of the weighing sensor 4, the weighing sensor 4 feeds back to the coal mining machine control system, so that the coal mining machine control system operates the coal mining machine to slow down or stop the coal mining machine, so as to prevent the cable clamp from being damaged after being pulled or squeezed.

[0030] In the embodiment of the present invention, when the tension generated by the dragging cable is transmitted, the pressure-bearing seat 5 and the movable seat 3 are limited by the guide assembly 6, which can limit the position of the weighing sensor 4. At the same time, the weighing sensor 4 can rotate and automatically align with the pressure-bearing seat 5 to ensure the accuracy and stability of the measurement data.

[0031] In summary, compared with the prior art, the adaptive intelligent towing cable device for coal mining machine and the use method thereof according to the embodiment of the present invention have the following advantages and beneficial effects: (1) The cable is fixed to the towing cable rack using a pressure plate assembly, which effectively prevents the cable clamp from deviating to the left or right, and also serves as an effective fixed end for force measurement; (2) The towing cable frame is connected to the coal mining machine using an installation assembly, which effectively prevents the towing cable frame from being affected by the shear force generated during the towing process and improves stability; (3) The movable seat and the pressure seat are combined to convert the tensile force to be measured into the weighing force by using the lever principle. The pressure seat is rotated to adaptively adjust the angle, which effectively avoids the upper and lower loads on the weighing sensor, ensures the force balance of the weighing sensor, and ensures the accuracy and stability of the measurement data. It can accurately provide early warning protection for the cable, effectively improving the service life of the cable and the production efficiency of the coal mining machine.

[0032] It should be noted that, in this article, unless otherwise clearly specified and limited, the term "connection" or its synonyms should be understood in a broad sense. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Moreover, expressions such as "first" and "second" 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. At the same time, 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 a process, method, article or device. In addition, "front", "back", "left", "right", "upper" and "lower" in this article are all referenced to the placement state shown in the accompanying drawings.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adaptive intelligent cable towing device for a coal mining machine, characterized in that: The adaptive intelligent cable towing device for coal mining machine comprises: a cable towing frame, a mounting assembly, a movable seat, a weighing sensor, a pressure-bearing seat, a guide assembly, a limit assembly and a pressure plate assembly. The cable towing frame is installed on the coal mining machine through the mounting assembly. The movable seat can be rotatably installed in the middle of one end of the cable towing frame. The weighing sensor is installed on the movable seat. The pressure-bearing seat can be rotatably installed at the bottom of the cable towing frame. The guide assembly is arranged between the movable seat and the pressure-bearing seat for guiding and positioning the weighing sensor. The limit assembly is arranged at the bottom of the cable towing frame for limiting the movable seat. The pressure plate assembly is fixed on the side of the cable towing frame close to the movable seat. The cable clamp with a cable can bypass the cable towing frame and be rotatably connected to the movable seat. The pressure plate assembly can press the cable on the cable towing frame. When the cable clamp connected to the movable seat is subjected to tension, the movable seat rotates toward the pressure-bearing seat, and the guide assembly applies pressure to the weighing sensor.

2. The adaptive intelligent cable-pulling device for coal mining machine according to claim 1, characterized in that: The towing cable rack includes a connecting plate, a connecting ear plate, an arc platform and a support seat, the connecting ear plate is welded to the bottom of the front end of the connecting plate, the arc platform is welded to one side of the upper front end of the connecting plate, the support seat is welded to the other side of the upper front end of the connecting plate, a connecting hole is provided at the rear end of the connecting plate, and a first reamed hole and a second reamed hole are penetrated by the connecting ear plate.

3. The adaptive intelligent cable-pulling device for coal mining machine according to claim 2, characterized in that: The movable seat includes a movable plate, a cable clamp hinge ear and a mounting plate, the movable plate is symmetrically arranged on both sides of the mounting plate, the cable clamp hinge ear is symmetrically arranged on one side of the top of the movable plate, a third reamed hole is arranged at the bottom of the movable plate, the third reamed hole is coaxial with the first reamed hole, the third reamed hole is connected to the first reamed hole through a hinge shaft, a mounting groove is arranged on the mounting plate, and the weighing sensor is fixed in the mounting groove by screws.

4. The adaptive intelligent cable-pulling device for coal mining machine according to claim 3, characterized in that: The pressure bearing seat is provided with a fourth reamed hole, the fourth reamed hole is coaxial with the second reamed hole, the fourth reamed hole is connected to the second reamed hole via a hinge shaft, and the bottom of the pressure bearing seat is provided with a first connecting threaded hole.

5. The self-adaptive intelligent cable-pulling device for coal mining machine according to claim 4, characterized in that: The guide assembly includes a guide bolt and a double-threaded rod, the guide bolt is threadedly engaged with the weighing sensor, a second connecting threaded hole is provided on the top of the guide bolt, one end of the double-threaded rod is threadedly engaged with the first connecting threaded hole, and the other end of the double-threaded rod is threadedly engaged with the second connecting threaded hole.

6. The self-adaptive intelligent cable-pulling device for coal mining machine according to claim 3, characterized in that: The limiting assembly includes a limiting plate and a limiting bolt. The limiting plate is welded to the bottom of the connecting plate and corresponds to the movable plate. The limiting bolt is threadedly engaged with the limiting plate. One end of the limiting bolt abuts against the movable plate.

7. The self-adaptive intelligent cable-pulling device for coal mining machine according to claim 2, characterized in that: The pressure plate assembly includes a fixed pressure plate and a fixing bolt, wherein the fixed pressure plate matches the support seat, and the fixing bolt passes through the fixed pressure plate and is threadedly engaged with the support seat.

8. The self-adaptive intelligent cable-pulling device for coal mining machine according to claim 2, characterized in that: The installation assembly includes connecting screws and positioning pins. The positioning pins are welded to the bottom of the connecting plate near the middle of the connecting holes on both sides. The connecting screws match the connecting holes. The connecting screws pass through the connecting holes and are connected and fixed to the coal mining machine.

9. A method for using the adaptive intelligent towing cable device for a coal mining machine according to any one of claims 1 to 8, characterized in that: The method of use includes: Fasten the towing cable frame to the coal mining machine through the mounting assembly; Introduce the cable clamp with the cable through one end of the towing cable rack, make the cable clamp pass through the towing cable rack, rotatably connect one end of the cable clamp with the movable seat, lead the cable out from the other end of the towing cable rack, and use the pressing plate assembly to press the cable onto the towing cable rack; Adjust the limit assembly so that the limit assembly cooperates with the movable seat and determines the initial position of the movable seat; When the coal mining machine is in working state, when the cable is dragged, the cable clamp and the movable seat rotate synchronously, and the tension generated when the cable is dragged is transmitted to the weighing sensor through the cooperation of the movable seat and the pressure-bearing seat, so that the weighing sensor fixed on the movable seat can measure the tension exerted on the cable clamp when the cable is dragged. When the dragging force exceeds the set value of the weighing sensor, the weighing sensor feeds back to the coal mining machine control system, so that the coal mining machine control system operates the coal mining machine to slow down or stop.

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