Coal transportation device for coal mining

Abstract

The invention provides a coal transportation device for coal mining, and belongs to the technical field of scraper conveyors. Comprising a scraper conveyer body, a blocking piece plate is fixedly connected to the top of the scraper conveyer body, and a second sliding table is slidably connected to the outer wall of the top of the blocking piece plate; and the auxiliary striking assembly is used for crushing coal accumulated on the scraper conveyer main body, and the auxiliary striking assembly is connected with the first sliding table. According to the coal mining machine, the auxiliary striking assembly is arranged and synchronously moves when the coal mining machine moves, collaborative operation with the coal mining machine is facilitated, after coal falls off, a striking cone in the auxiliary striking assembly is used for crushing large coal briquettes and decomposing the large coal briquettes into small briquettes, the situation that the large coal briquettes are accumulated below the coal mining machine is reduced, the smoothness of the coal mining machine in the walking process is improved, and the coal mining machine is more stable in operation. The resistance of the scraper chain during coal conveying is reduced, and the stability of the running speed of the scraper chain and the coal conveying efficiency are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of scraper conveyors, in particular to a coal mining and transporting device. BACKGROUND

[0002] In the fully mechanized coal mining equipment, the scraper conveyor is a relatively important component of the fully mechanized three-machine, the coal mining machine falls the coal onto the scraper conveyor, and then the scraper conveyor is used to transport the coal to the transfer machine for the next process.

[0003] The scraper conveyor is used in cooperation with the coal mining machine, and a pin array (toothed rail) is arranged on both sides of the scraper conveyor, the coal mining machine is engaged and reciprocally moves on the pin array, when mining coal, the cutting drum on the coal mining machine falls the coal from the coal wall onto the lower side of the coal mining machine and the scraper conveyor, and the coal is transported to the transfer machine by the scraper on the scraper conveyor.

[0004] However, in the process of coal mining, the size of the coal blocks produced by the coal mining machine is different, small coal blocks can be smoothly pulled to the transfer machine by the scraper of the scraper conveyor due to their light weight, the movement resistance of large coal blocks is often greater than the pulling force of the scraper due to their large weight and inertia, so that the coal blocks cannot be effectively driven forward by the scraper, and are easily accumulated under the coal mining machine, blocking the path of the coal mining machine, and due to the large weight and inertia of the large coal blocks, the scraper chain needs to overcome greater resistance, so that the running speed of the scraper chain is reduced, further affecting the transportation of the coal.

[0005] Therefore, the present application provides a coal mining and transporting device to meet the needs. SUMMARY

[0006] The technical problem to be solved by the present application is to provide a coal mining and transporting device, by arranging an auxiliary hitting component, the auxiliary hitting component moves synchronously when the coal mining machine moves, facilitating collaborative work with the coal mining machine, after the coal falls, the auxiliary hitting component is used to break the large coal blocks by the hitting cone, and the large coal blocks are decomposed into small blocks, reducing the accumulation of large coal blocks under the coal mining machine, improving the smoothness of the coal mining machine during walking, reducing the resistance of the scraper chain during coal transportation, ensuring the stability of the running speed of the scraper chain and the transportation efficiency of the coal, and solving the problem that the volume of the coal is different in size during the coal mining process, the large volume coal cannot move with other coal due to its large weight, and is easily accumulated under the coal mining machine, causing the coal mining machine to move difficultly or the running speed of the scraper chain on the scraper conveyor to slow down, affecting the coal transportation.

[0007] To solve the above technical problems, the present application provides the following technical solutions:

[0008] The utility model provides a coal mine exploitation coal transportation device, including the scraper conveyor main part, the top of scraper conveyor main part is fixedly connected with the baffle board, the side surface of scraper conveyor main part is installed with the coal winning machine drive base, the outer wall of baffle board top is slidably connected with sliding table no.

[0009] Optionally, the auxiliary hitting assembly includes a transverse plate fixedly connected to the top of the sliding table one, a vertical plate fixedly connected to the side surface of the sliding table one, a main shaft installed through the middle position of the sliding table one, a rotating disc fixedly connected to one end of the main shaft, and a driving gear fixedly connected to the end of the main shaft close to the rotating disc.

[0010] Optionally, a limiting block is fixedly connected to the inner wall of the sliding table one, a cross-shaped fixing frame is fixedly connected to the side surface of the sliding table one away from the rotating disc, a clamping disc is fixedly connected to the end of the main shaft close to the cross-shaped fixing frame, and a driven gear is fixedly connected to the end of the main shaft close to the clamping disc.

[0011] Optionally, a reinforcing column is fixedly connected to the side surface of the sliding table one, a placing groove is opened in the top of the sliding table one, a rotating plate is fixedly connected to the middle position of the outer wall of the main shaft, a connecting disc one is rotatably connected to the outer wall of the rotating plate, an adapter column is fixedly connected to the outer wall of the connecting disc one, a connecting disc two is rotatably connected to the end of the adapter column away from the connecting disc one, and a limiting plate is installed in the middle position of the main shaft close to the rotating plate.

[0012] Optionally, an extension plate is fixedly connected to the end of the limiting plate away from the sliding table one, an arc-shaped groove is opened in the side surface of the extension plate close to the connecting disc two, a hitting rod is fixedly connected to the outer wall of the connecting disc two, and a connecting column one is slidably connected to the outer wall of the middle position of the hitting rod.

[0013] Optionally, a fixing block is fixedly connected to the end of the extension plate away from the limiting plate, a hitting cone is fixedly connected to the end of the hitting rod away from the connecting disc two, a sliding block is slidably connected to the end of the extension plate away from the limiting plate, an arc-shaped column is installed on the outer wall of the sliding block, a connecting column two is fixedly connected to the outer wall of the arc-shaped column, a telescopic column is fixedly connected to the top of the sliding block, a moving rod is fixedly connected to the outer wall of the connecting column two, and a sealing cloth is installed on the side surface of the sliding block close to the moving rod.

[0014] Optionally, the lateral plate and the vertical plate are fixedly connected to the outer wall of the sliding table one, the main shaft is designed in a tapered manner, the middle size is smaller than the sizes of the two sides, an adaptive groove is formed in the middle position of the clamping disc, the size of the adaptive groove is consistent with the size of the rotating disc, the size of the driving gear is consistent with the size of the driven gear, the cross-shaped fixing frame is fixedly connected to the side surface of the sliding table one, the cross-shaped fixing frame is rotatably connected to the outer wall of the main shaft in the middle position, the rotating disc and the driving gear are fixedly connected to one side of the main shaft, and the clamping disc and the driven gear are fixedly connected to the other side of the main shaft.

[0015] Optionally, one end of the reinforcing column is fixedly connected to the side surface of the sliding table one, the other end of the reinforcing column is clamped to the side surface of the sliding table three, the soft rubber pad is arranged around the inner wall of the placing groove, and the end of the connecting disc two is provided with an adaptive column which is slidingly connected to the inner wall of the arc-shaped groove.

[0016] Optionally, the fixing blocks are fixedly connected to the upper and lower parts of the extension plate respectively, the top of the telescopic column is fixedly connected to the outer wall of the fixing block, the bottom of the telescopic column is fixedly connected to the top of the sliding block, the outer wall of the sliding block is provided with a circular groove and a square groove, the size of the circular groove is adapted to the size of the arc-shaped column, and the size of the square groove is adapted to the size of the moving rod.

[0017] Optionally, the outer wall of the coal cutter driving base is provided with a fixed plate, the middle position of the fixed plate is fixedly connected with a pushing rod, the bottom of the pushing rod is clamped to the inner wall of the placing groove, the outer wall of the sliding table two is fixedly connected with a servo motor, and the inner wall of the placing groove is clamped with a lock plate.

[0018] Compared with the prior art, the present application has at least the following advantages:

[0019] In the above scheme, the auxiliary hitting assembly is provided, which moves synchronously when the coal cutter moves, facilitates cooperative operation with the coal cutter, breaks large coal blocks into small blocks by using the hitting cone in the auxiliary hitting assembly after the coal falls, reduces the accumulation of large coal blocks below the coal cutter, improves the smoothness of the coal cutter during walking, reduces the resistance when the scraper chain transports coal, ensures the stability of the running speed of the scraper chain and the transportation efficiency of the coal.

[0020] Through setting the clamping disc and the passive gear, the driving of the hitting cone on the sliding table one reciprocating movement can also use the meshing between the driving gear and the passive gear to drive the hitting cone on the sliding table three reciprocating movement, so as to realize the effect of one driving source driving the hitting cone of different heights to break the coal, reduce the cost of equipment purchase and maintenance, and ensure the breaking efficiency of the hitting cone.

[0021] Through setting the rotating disc and the driving gear, the main shaft on the sliding table one and the main shaft on the sliding table three are rigidly linked, which is beneficial to reducing the vibration generated by the mutual impact of the hitting cone and the coal during the process of breaking the coal, preventing the clamping disc and the passive gear from being dislocated during the meshing rotation, thereby avoiding the problem that the main shaft on the sliding table one and the main shaft on the sliding table three are out of sync, affecting the continuity and efficiency of the hitting cone breaking the coal.

[0022] By setting the arc-shaped groove, the sliding block, the telescopic column and the moving rod in the auxiliary hitting assembly, not only the hitting rod can be supported, the hitting effect of the hitting rod in reciprocating motion is improved, but also in the process of moving the hitting cone, the fitting effect between the fitting column and the arc-shaped groove is strengthened by the limiting action of the telescopic column and the moving rod, so as to improve the precision and running stability of the hitting cone in breaking the coal, reduce the displacement and vibration of the hitting cone after breaking action. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the application and, together with the description, further serve to explain the principles of the application and to enable a person skilled in the relevant art to implement and use the application.

[0024] Figure 1 The first perspective view of the coal transportation device for coal mining shows the coal transportation device for coal mining from the first perspective view;

[0025] Figure 2 The second perspective view of the coal transportation device for coal mining shows the coal transportation device for coal mining from the second perspective view;

[0026] Figure 3 The exploded perspective view of the coal transportation device for coal mining shows the coal transportation device for coal mining from the exploded perspective view;

[0027] Figure 4 The perspective view of the sliding table one, the sliding table two and the sliding table three shows the sliding table one, the sliding table two and the sliding table three from the perspective view;

[0028] Figure 5 The perspective view of the auxiliary hitting assembly shows the auxiliary hitting assembly from the perspective view;

[0029] Figure 6 The perspective view of the auxiliary hitting assembly shows the auxiliary hitting assembly from the perspective view;

[0030] Figure 7 The perspective view of the sliding table one, the main shaft and the hitting rod shows the sliding table one, the main shaft and the hitting rod from the perspective view;

[0031] Figure 8 For Figure 7 A stereoscopic enlarged structure schematic view at the middle of B;

[0032] Figure 9 For Figure 7 A stereoscopic enlarged structure schematic view at the middle of C;

[0033] Figure 10 A stereoscopic enlarged structure schematic view of the lock plate, main shaft and passive gear;

[0034] Figure 11 For Figure 10 A stereoscopic enlarged structure schematic view at the middle of C;

[0035] Figure 12 A stereoscopic enlarged structure schematic view of the lock plate, reinforcing column and extension plate.

[0036] Reference signs:

[0037] 1, scraper conveyor main body; 2, baffle plate; 3, coal mining machine driving base; 4, fixed plate; 5, push rod; 6, sliding table one; 7, sliding table two; 8, servo motor; 9, sliding table three; 10, transverse plate; 11, lock plate; 12, vertical plate; 13, main shaft; 14, rotating disc; 15, driving gear; 16, limit block; 17, cross fixed frame; 18, clamping disc; 19, passive gear; 20, reinforcing column; 21, placing groove; 22, rotating plate; 23, connecting disc one; 24, linking column; 25, connecting disc two; 26, limiting plate; 27, extension plate; 28, arc-shaped groove; 29, knocking rod; 30, connecting column one; 31, fixed block; 32, knocking cone; 33, sliding block; 34, arc-shaped column; 35, connecting column two; 36, telescopic column; 37, moving rod; 38, sealing cloth.

[0038] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and those skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION

[0039] The coal mining and transporting device for coal mining provided by the present application is described in detail below in combination with the drawings and specific embodiments. It is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be adopted by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0040] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0041] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0042] It is understood that the meanings of “on”, “above”, and “above” in this invention should be interpreted in the broadest manner, such that “on” means not only “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” means not only “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0043] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0044] like Figures 1 to 12 As shown, an embodiment of the present invention provides a coal transportation device for coal mining, including a scraper conveyor body 1, a baffle plate 2 fixedly connected to the top of the scraper conveyor body 1, a coal mining machine drive base 3 installed on the side of the scraper conveyor body 1, a sliding platform 6 and a sliding platform 9 slidably connected to the outer wall of the top of the baffle plate 2, and a sliding platform 7 slidably connected to the outer wall of the top of the baffle plate 2; and an auxiliary impact assembly for crushing the coal piled on the scraper conveyor body 1, the auxiliary impact assembly being connected to the sliding platform 6.

[0045] The specific working procedure is as follows: the scraper conveyor main body 1 is laid along the working face, the hydraulic support is arranged at the goaf side, the roof is supported, then the coal mining machine is straddled on the scraper conveyor main body 1 and located at the end of the working face (usually the machine head or the machine tail position), the cutting drum on the coal mining machine is adjusted in height according to the coal seam thickness, then the scraper conveyor main body 1 and the coal mining machine are started, the walking wheel on the driving base 3 of the coal mining machine is engaged with the toothed rail fixed on the slot side of the scraper conveyor main body 1 at the goaf side, so that the coal mining machine moves along the length direction of the working face, at the same time, the cutting drum on the coal mining machine rotates at high speed under the drive of the motor, the coal wall in front is cut and broken, the cut coal is directly swept into the middle slot of the scraper conveyor main body 1 by the high-speed rotating spiral blade, the coal falling into the middle slot of the scraper conveyor main body 1 is dragged by the continuously running scraper chain composed of scraper and chain along the conveyor slot from the working face to the crossheading, and the coal is unloaded into the reversed loader at the crossheading, then enters the belt conveyor main conveying system through the crusher.

[0046] By setting the auxiliary hitting assembly, synchronous movement during the movement of the coal mining machine is facilitated, the auxiliary hitting assembly is utilized to break and decompose the large coal blocks into small pieces after the coal drops, the large coal blocks are reduced to accumulate under the coal mining machine, the smoothness of the coal mining machine in the walking process is improved, the resistance of the scraper chain in conveying coal is reduced, the stability of the running speed of the scraper chain and the conveying efficiency of the coal are ensured.

[0047] Further, the outer wall of the coal mining machine driving base 3 is provided with a fixed plate 4, the middle position of the fixed plate 4 is fixedly connected with a push rod 5, the bottom of the push rod 5 is clamped on the inner wall of the placing groove 21, the outer wall of the sliding table two 7 is fixedly connected with a servo motor 8, the inner wall of the placing groove 21 is clamped with a lock catch plate 11, the scraper conveyor main body 1, the baffle plate 2 and the coal mining machine driving base 3 are existing structures, but more details are not described, the bottom of the sliding table one 6, the sliding table two 7 and the sliding table three 9 is provided with a sliding groove for clamping on the surface of the baffle plate 2, and the size of the sliding table one 6 and the sliding table three 9 is consistent, while the depth of the sliding groove at the bottom of the sliding table one 6 and the sliding table three 9 is different, so that the height of the sliding table one 6 and the sliding table three 9 clamped on the baffle plate 2 is different, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are located in front of the movement of the coal mining machine driving base 3, the sliding table one 6, the sliding table two 7 and the sliding table three 9 can be installed separately, and need to be connected with each other when in use, while the sliding table one 6 and the sliding table three 9 can be arrayed and staggered, so as to form a low-high-low arrangement, and the operation of parts on the sliding table one 6 and the sliding table three 9 is completed by the servo motor 8, one end of the push rod 5 is fixedly connected with the fixed plate 4 on the outer wall of the coal mining machine driving base 3 by using a plurality of bolts, and the other end is clamped and fixed in the placing groove 21 at the top of the sliding table one 6, in order to facilitate observation, the original position relationship of the scraper conveyor main body 1, the baffle plate 2 and the auxiliary beating assembly is slightly changed without affecting the operation of the overall structure (such as Figure 4 shown).

[0048] As Figures 2 to 6 shown. Figure 10 and Figure 11As shown, the auxiliary hitting assembly includes a transverse plate 10 fixedly connected to the top of the sliding table 1, vertical plates 12 fixedly connected to the sides of the sliding table 1, a main shaft 13 installed through the middle of the sliding table 1, a rotating disc 14 fixedly connected to one end of the main shaft 13, a driving gear 15 fixedly connected to the end of the main shaft 13 close to the rotating disc 14, a limiting block 16 fixedly connected to the inner wall of the sliding table 1, a cross fixed frame 17 fixedly connected to the side of the sliding table 1 away from the rotating disc 14, a clamping disc 18 fixedly connected to the end of the main shaft 13 close to the cross fixed frame 17, a driven gear 19 fixedly connected to the end of the main shaft 13 close to the clamping disc 18, a reinforcing column 20 fixedly connected to the side of the sliding table 1, a placing groove 21 opened in the top of the sliding table 1, the transverse plate 10 and the vertical plate 12 are both fixedly connected to the outer wall of the sliding table 1, the main shaft 13 is of a tapered design with the middle smaller than the two sides, an adaptive groove is opened in the middle of the clamping disc 18, the adaptive groove is consistent in size with the rotating disc 14, the driving gear 15 is consistent in size with the driven gear 19, the cross fixed frame 17 is fixedly connected to the side of the sliding table 1, the cross fixed frame 17 is rotatably connected to the outer wall of the main shaft 13 in the middle, the rotating disc 14 and the driving gear 15 are both fixedly connected to one side of the main shaft 13, the clamping disc 18 and the driven gear 19 are both fixedly connected to the other side of the main shaft 13, one end of the reinforcing column 20 is fixedly connected to the side of the sliding table 1, the other end of the reinforcing column 20 is clamped to the side of the sliding table 3, and threaded holes are arranged in the middle of the two ends of the main shaft 13.

[0049] By the above structure, the coal mining machine and the scraper conveyor main body 1 are arranged, the fixed plate 4 is bolted on the side of the coal mining machine driving base 3, the push rod 5 is placed obliquely, then the sliding groove at the bottom of the sliding table one 6 is clamped on the top of the baffle plate 2, the sliding adjustment is started, after the sliding is normal, the placement groove 21 at the top of the sliding table one 6 is aligned with the end of the push rod 5, after clamping and fixing, the sliding table two 7 is placed, the sliding table two 7 can be kept a certain distance from the sliding table one 6 when placed, which can facilitate the placement of the sliding table two 7 and will not interfere with the already placed sliding table one 6, the sliding table two 7 is placed and adjusted, then the drive shaft of the servo motor 8 is fixed on the stud and screwed with the main shaft 13 threaded groove on the sliding table one 6, ensuring that the main shaft 13 and the sliding table two 7 are fixed after screwing, then the sliding table three 9 is installed, the side of the sliding table three 9 is first attached to the end of the reinforcing column 20, then it is placed vertically downward, when placed, ensure that the sliding groove at the bottom of the sliding table three 9 is on the same vertical line with the baffle plate 2, slowly move vertically downward, at this time the rotating disc 14 on the sliding table three 9 and the clamping disc 18 on the sliding table one 6 are not on the same vertical line, when the rotating disc 14 and the clamping disc 18 are on the same horizontal plane, the sliding table three 9 is inclined outward, which facilitates the reinforcing column 20 to enter the hole in the side of the sliding table three 9, then the main shaft 13 is also aligned and enters the hole in the side of the sliding table three 9 (as shown in Figure 11 ), the sliding table three 9 and the sliding table one 6 are inclined to each other, after the rotating disc 14 on the sliding table three 9 and the clamping disc 18 on the sliding table one 6 are clamped and contacted, the sliding table three 9 is returned to the normal inclined state, so that the driving gear 15 and the driven gear 19 are also meshed with each other, thereby completing the connection between the sliding table one 6, the sliding table two 7 and the sliding table three 9, at this time the sliding table one 6 is lower than the sliding table three 9, the lock plate 11 is inverted "U", one end is long and the other end is short, the short end is clamped in the placement groove 21 on the top of the sliding table three 9, and the long end is clamped in the placement groove 21 on the top of the sliding table one 6 (as shown in Figure 10 ), finally the lock plate 11 is clamped between the sliding table one 6 and the sliding table three 9, further strengthening the connection between the sliding table one 6 and the sliding table three 9. Since the scraper conveyor main body 1 and the coal mining machine driving base 3 and other equipment need to be simply adjusted before coal mining, the coal mining machine can be started to move forward, whether the sliding table one 6, the sliding table two 7 and the sliding table three 9 also move with the movement of the coal mining machine is observed, the smoothness of the three on the baffle plate 2 is observed, the traction effect of the push rod 5 on the sliding table one 6 is observed, the servo motor 8 is started, whether the rotation of the servo motor 8 can drive the main shaft 13 on the sliding table one 6 and the main shaft 13 on the sliding table three 9 is observed, if there is no problem, the coal mining operation is started.

[0050] It is worth mentioning that in the auxiliary hitting assembly, only the sliding groove depth of the bottom of the sliding table one 6 and the sliding table three 9 is different, the different heights of the sliding table one 6 and the sliding table three 9 on the baffle plate 2 are changed, so that the sliding table one 6 and the sliding table three 9 appear high and low, and the sliding table one 6 can be added along the position of the baffle plate 2 beside the sliding table three 9, and installed in the order of low-high-low-high, but it is not easy to install too much, because the power of the servo motor 8 is limited, as the number of installations increases, the rotation transmission path brought by the servo motor 8 increases, and the rotation effect is weakened, thereby causing the crushing effect of the auxiliary hitting assembly on large volume coal to weaken.

[0051] By setting the clamping disc 18 and the passive gear 19, the hitting cone 32 on the sliding table three 9 can also be driven to reciprocate by the meshing between the driving gear 15 and the passive gear 19 while the hitting cone 32 on the sliding table one 6 is driven to reciprocate, thereby realizing the effect of one driving source driving the hitting cone 32 at different heights to crush coal, reducing the cost of equipment purchase and maintenance, and ensuring the crushing efficiency of the hitting cone 32.

[0052] By setting the rotating disc 14 and the driving gear 15, the main shaft 13 on the sliding table one 6 and the main shaft 13 on the sliding table three 9 can be ensured to rotate synchronously, which is beneficial to reducing the vibration generated by the mutual impact of the hitting cone 32 and the coal during the crushing of the coal, preventing the clamping disc 18 and the passive gear 19 from being misaligned during meshing and rotation, thereby avoiding the problem that the main shaft 13 on the sliding table one 6 and the main shaft 13 on the sliding table three 9 are out of sync, affecting the continuity and efficiency of the hitting cone 32 crushing coal.

[0053] As Figures 7 to 9 and Figure 12As shown, the top of the sliding table one 6 is provided with a placing groove 21, the middle position of the outer wall of the main shaft 13 is fixedly connected with a rotating plate 22, the outer wall of the rotating plate 22 is rotatably connected with a connecting disc one 23, the outer wall of the connecting disc one 23 is fixedly connected with a connecting column 24, the end of the connecting column 24 away from the connecting disc one 23 is rotatably connected with a connecting disc two 25, the middle position of the main shaft 13 close to the rotating plate 22 is provided with a limiting plate 26, the end of the limiting plate 26 away from the sliding table one 6 is fixedly connected with an extension plate 27, the side of the extension plate 27 close to the connecting disc two 25 is provided with an arc-shaped groove 28, the outer wall of the connecting disc two 25 is fixedly connected with a knocking rod 29, the outer wall of the middle position of the knocking rod 29 is slidably connected with a connecting column one 30, the end of the extension plate 27 away from the limiting plate 26 is fixedly connected with a fixed block 31, the end of the knocking rod 29 away from the connecting disc two 25 is fixedly connected with a knocking cone 32, the end of the extension plate 27 away from the limiting plate 26 is slidably connected with a sliding block 33, the outer wall of the sliding block 33 is provided with an arc-shaped column 34, the outer wall of the arc-shaped column 34 is fixedly connected with a connecting column two 35, the top of the sliding block 33 is fixedly connected with an extension column 36, the outer wall of the connecting column two 35 is fixedly connected with a moving rod 37, the side of the sliding block 33 close to the moving rod 37 is provided with a sealing cloth 38, the periphery of the inner wall of the placing groove 21 is provided with a soft rubber pad, the end of the connecting disc two 25 is provided with an adaptive column, the adaptive column is slidably connected on the inner wall of the arc-shaped groove 28, the fixed block 31 is fixedly connected on the upper and lower parts of the extension plate 27 respectively, the top of the extension column 36 is fixedly connected on the outer wall of the fixed block 31, the bottom of the extension column 36 is fixedly connected on the top of the sliding block 33, the outer wall of the sliding block 33 is provided with a circular groove hole and a square groove hole, the size of the circular groove hole is matched with the size of the arc-shaped column 34, the size of the square groove hole is matched with the size of the moving rod 37, the material of the sealing cloth 38 is rubber, one end of the sealing cloth 38 is fixedly connected on the outer wall of the sliding block 33, the other end of the sealing cloth 38 is fixedly connected on the outer wall of the moving rod 37, the moving rod 37 is slidably connected on the inner wall of the square groove hole, the arc-shaped column 34 is slidably connected on the inner wall of the circular groove hole.

[0054] Through the above structure, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are slidably fixed on the baffle plate 2 and debugged, and the coal mining operation is started. When the driving base 3 of the coal mining machine slides along the working face of the scraper conveyor main body 1, the push rod 5 fixed on the side of the driving base 3 of the coal mining machine also moves synchronously, and drives the sliding table one 6 connected with the push rod 5. As mentioned above, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are integrated after installation, and the push rod 5 drives the sliding table one 6 to move, and also drives the sliding table two 7 and the sliding table three 9 to move. The sliding table one 6, the sliding table two 7 and the sliding table three 9 move synchronously, and in the process of moving, the servo motor 8 is started, the driving shaft of the servo motor 8 drives the main shaft 13 to rotate, and the rotating plate 22 in the middle position of the main shaft 13 is also driven to rotate. In the process of rotating the rotating plate 22, the connecting disc one 23 connected to the surface of the rotating plate 22 is driven. Since the rotating plate 22 and the connecting disc one 23 are rotatably connected, when the main shaft 13 rotates, the rotating track of the rotating plate 22 as a whole is that the rotating plate 22 rotates with the connecting disc one 23 as the center and the length of the rotating plate 22 as the radius. In the process of rotating the rotating plate 22, the connecting column 24 and the connecting disc two 25 change positions, and the adaptive column at the end of the connecting disc two 25 slides on the inner wall of the arc-shaped groove 28, like Figure 8As shown, in the initial state, the rotating plate 22 is vertically fixed, the adapter column at the end of the connecting disc two 25 is located at the middle position of the inner wall of the arc-shaped groove 28. If the rotating plate 22 is rotated clockwise by 90°, it is shown that the adapter column 24 and the hitting rod 29 are both moved to the maximum value outside the sliding table one 6. At this time, the adapter column at the end of the connecting disc two 25 is located at the lowermost position of the inner wall of the arc-shaped groove 28, and the hitting cone 32 is also at the farthest position of the hitting effect in the auxiliary hitting assembly movement track. Then the rotating plate 22 continues to rotate clockwise by 180°, which means that the adapter column 24 and the hitting rod 29 are both moved to the minimum value inside the sliding table one 6. At this time, the adapter column at the end of the connecting disc two 25 is located at the middle position of the inner wall of the arc-shaped groove 28, and the hitting cone 32 is also at the nearest position of the hitting effect in the auxiliary hitting assembly movement track. The reciprocating movement of the hitting cone 32 forms a crushing track to crush the large volume of coal. While the hitting cone 32 is doing reciprocating movement, in order to better improve the crushing effect of the large volume of coal, a support is needed in the middle position of the long hitting rod 29 to better stabilize the transmission force of the hitting cone 32 and the conveying reciprocating movement. Specifically, a connecting column one 30 is slidably installed in the middle position of the hitting rod 29. An "L"-shaped arc-shaped column 34 is fixed to the outer wall of the connecting column one 30. The arc-shaped column 34 extends to the inner wall of the sliding block 33 and slides in the inner wall of the sliding block 33. The moving rod 37 slides in the inner wall of the sliding block 33. The sliding block 33 slides on the outer wall of the extension plate 27 along with the lifting of the telescopic column 36. As mentioned above, the hitting rod 29 will move outward. Since the movement track of the hitting rod 29 is consistent with the shape track of the arc-shaped groove 28, the rotation of the rotating plate 22 from the initial state to clockwise rotation by 180° will make the hitting rod 29 slide from the middle position of the arc-shaped groove 28 to the lower position, so that the two telescopic columns 36 will move downward and drive the sliding block 33 to move downward. At the same time, the movement track of the hitting rod 29 is arc-shaped, which not only has a downward moving trend, but also has a forward and outward moving trend. The arc-shaped column 34 and the moving rod 37 will slide out of the inner wall of the sliding block 33. Under the cooperation of the vertical sliding of the telescopic column 36 and the sliding block 33 and the horizontal sliding of the arc-shaped column 34 and the moving rod 37, the hitting rod 29 completes the reciprocating movement of the arc-shaped movement track. In the process of sliding, the sealing cloth 38 will also be stretched to avoid the small particles of coal falling into the sliding track of the sliding block 33 and the moving rod 37, affecting the sliding and resetting of the moving rod 37.

[0055] It is worth mentioning that the servo motor 8 is unidirectional clockwise rotation by 180° (as shown in Figure 8In the process of rotation, the connecting column 24 will not contact the main shaft 13, and the fitting column at the end of the connecting disc two 25 is not located above the arc-shaped groove 28 when the rotating plate 22 is in the initial position, which is beneficial to avoid the end of the fitting column of the connecting disc two 25 from moving a small distance above the inner wall of the arc-shaped groove 28 after the rotating plate 22 stops due to the action of inertial force in the process of resetting the rotating plate 22, reducing the direct contact between the fitting column and the inner wall of the arc-shaped groove 28, and relieving the collision between the connecting disc one 23, the connecting column 24 and the connecting disc two 25.

[0056] Further, in actual operation, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are located in front of the coal mining machine and move synchronously with the coal mining machine, and after the coal mining machine cuts coal from the coal wall, small coal is driven under the traction of the scraper chain, and large coal blocks are blocked in front of the coal mining machine due to the weight and inertia, at this time, the servo motor 8 is started to make the beating cone 32 start reciprocating motion, when the beating cone 32 contacts the large coal blocks in front of the coal mining machine, the reciprocating pushing force continuously contacts the large coal blocks until the large coal blocks are broken, and the sliding table one 6 and the sliding table three 9 with different heights can improve the contact range of the beating cone 32 to large coal.

[0057] By setting the arc-shaped groove 28, the sliding block 33, the telescopic column 36 and the moving rod 37 in the auxiliary beating assembly, the beating rod 29 can be supported, the beating effect of the beating rod 29 in reciprocating motion is improved, in the process of moving the beating cone 32, the fitting column and the arc-shaped groove 28 can be combined by the limiting action of the telescopic column 36 and the moving rod 37, thereby improving the precision and running stability of the beating cone 32 in breaking coal, and reducing the displacement and vibration of the beating cone 32 after breaking action.

[0058] The working principle of the technical scheme provided by the application is as follows:

[0059] The scraper conveyor main body 1 is laid along the working face, the hydraulic support is arranged in the goaf side, the roof is supported well, then the coal mining machine is straddled on the scraper conveyor main body 1, located at the end of the working face (usually the machine head or the tail position), the cutting drum on the coal mining machine is adjusted according to the coal seam thickness, then the scraper conveyor main body 1 and the coal mining machine are started, the walking wheel on the driving base 3 of the coal mining machine is engaged with the toothed rail fixed on the slot side of the goaf of the scraper conveyor main body 1, so that the coal mining machine moves along the length direction of the working face, at the same time, the cutting drum on the coal mining machine rotates at high speed under the drive of the motor, the coal wall in front is cut and broken, the cut coal is directly swept into the middle slot of the scraper conveyor main body 1 by the high-speed rotating spiral blade, the coal falling into the middle slot of the scraper conveyor main body 1 is dragged by the scraper chain composed of scraper and chain, and transported from the working face to the crossheading along the conveyor slot, and the coal is unloaded into the transfer machine at the crossheading, and then enters the belt conveyor main conveying system through the crusher.

[0060] Specifically, after the coal mining machine and the scraper conveyor main body 1 are arranged, the fixed plate 4 is bolted on the side of the driving base 3 of the coal mining machine, and the push rod 5 is placed obliquely, then the sliding groove at the bottom of the sliding table one 6 is clamped on the top of the baffle plate 2, the sliding adjustment is started, after the sliding is normal, the placement groove 21 at the top of the sliding table one 6 is aligned with the end of the push rod 5, after clamping and fixing, the sliding table two 7 is placed, the sliding table two 7 can be kept a certain distance from the sliding table one 6 when placed, so that the sliding table two 7 is placed conveniently, and the sliding table one 6 placed is not interfered, the sliding table two 7 is placed and slidably adjusted, then the stud is fixed on the driving shaft of the servo motor 8 and screwed with the main shaft 13 thread groove on the sliding table one 6, after screwing and fixing, the main shaft 13 and the sliding table two 7 are fixed, then the sliding table three 9 is installed, the side of the sliding table three 9 is first attached to the end of the reinforcing column 20, then it is placed vertically downward, when placed, the sliding groove at the bottom of the sliding table three 9 is ensured to be on the same vertical line with the baffle plate 2, and slowly moves vertically downward, at this time, the rotating disc 14 on the sliding table three 9 and the clamping disc 18 on the sliding table one 6 are not on the same vertical line, when the rotating disc 14 and the clamping disc 18 are on the same horizontal plane, the sliding table three 9 is inclined outward, so that the reinforcing column 20 enters the hole in the side of the sliding table three 9, then the main shaft 13 also enters the hole in the side of the sliding table three 9 (as shown in Figure 11As shown), the inclined direction will slide the platform three 9 and the sliding platform 16 to each other, and after the rotating disc 14 on the sliding platform three 9 and the clamping disc 18 on the sliding platform 16 are clamped and contacted with each other, the sliding platform three 9 is returned to the normal inclined state, so that the driving gear 15 and the driven gear 19 are also engaged with each other, thereby completing the connection between the sliding platform 16, the sliding platform 27 and the sliding platform three 9. At this time, the sliding platform 16 is lower than the sliding platform three 9, and the locking plate 11 is set to be inverted "U", one end is long and the other end is short, and the short end is clamped in the placement groove 21 on the top of the sliding platform three 9, and the long end is clamped in the placement groove 21 on the top of the sliding platform 16 (as shown Figure 10 As shown), finally, the locking plate 11 is clamped between the sliding platform 16 and the sliding platform three 9, further enhancing the connection between the sliding platform 16 and the sliding platform three 9. Since the scraper conveyor main body 1 and the coal mining machine driving base 3 and other equipment need to be simply debugged before coal mining, the coal mining machine can be started to move forward, and whether the sliding platform 16, the sliding platform 27 and the sliding platform three 9 also move with the movement of the coal mining machine is observed, the smoothness of the three on the baffle plate 2 is observed, and whether the traction effect of the pushing rod 5 on the sliding platform 16 is ideal is observed. Start the servo motor 8, and observe whether the rotation of the servo motor 8 can drive the main shaft 13 on the sliding platform 16 and the main shaft 13 on the sliding platform three 9. If there is no problem, start the coal mining operation.

[0061] It is worth mentioning that in the auxiliary hitting assembly, only the sliding groove depth of the bottom of the sliding platform 16 and the sliding platform three 9 is different, the different heights of the sliding platform 16 and the sliding platform three 9 on the baffle plate 2 are changed, so that the sliding platform 16 and the sliding platform three 9 appear high and low, and the sliding platform 16 can be added beside the sliding platform three 9 along the position of the baffle plate 2, and installed in the order of low-high-low-high, but it is not easy to install too many, because the power of the servo motor 8 is limited, and as the number of installations increases, the rotation transmission path brought by the servo motor 8 increases, and the rotation effect is weakened, thereby causing the auxiliary hitting assembly to weaken the crushing effect on large volume coal.

[0062] The sliding table one 6, the sliding table two 7 and the sliding table three 9 are slidably fixed on the baffle plate 2 and the debugging is completed, and the coal mining operation is started. When the driving base 3 of the coal mining machine slides along the working face of the scraper conveyor main body 1, the push rod 5 fixed on the side of the driving base 3 of the coal mining machine also moves synchronously, and drives the sliding table one 6 connected with the push rod 5. As mentioned above, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are integrated after installation, and the push rod 5 drives the sliding table one 6 to move, and also drives the sliding table two 7 and the sliding table three 9 to move. The sliding table one 6, the sliding table two 7 and the sliding table three 9 move synchronously, and in the process of moving, the servo motor 8 is started, the driving shaft of the servo motor 8 drives the main shaft 13 to rotate, and the rotating plate 22 in the middle position of the main shaft 13 is also driven to rotate. In the process of rotating the rotating plate 22, the connecting disc one 23 connected to the surface of the rotating plate 22 is driven. Since the rotating plate 22 and the connecting disc one 23 are rotationally connected, when the main shaft 13 rotates, the overall rotation track of the rotating plate 22 is that the rotating plate 22 rotates with the length of the rotating plate 22 as the radius and the connection position between the rotating plate 22 and the main shaft 13 as the center. In the process of rotating the rotating plate 22, the connecting disc two 25 and the engaging column 24 change positions, and the adaptive column at the end of the connecting disc two 25 slides on the inner wall of the arc-shaped groove 28, like Figure 8As shown, in the initial state, the rotating plate 22 is vertically fixed, the adapter column at the end of the connecting disc two 25 is located at the middle position of the inner wall of the arc-shaped groove 28. If the rotating plate 22 is rotated clockwise by 90°, it is shown that the adapter column 24 and the hitting rod 29 are both moved to the maximum value outside the sliding table one 6. At this time, the adapter column at the end of the connecting disc two 25 is located at the lowermost position of the inner wall of the arc-shaped groove 28, and the hitting cone 32 is also at the farthest position of the hitting effect in the auxiliary hitting assembly movement track. Then the rotating plate 22 continues to rotate clockwise by 180°, which means that the adapter column 24 and the hitting rod 29 are both moved to the minimum value inside the sliding table one 6. At this time, the adapter column at the end of the connecting disc two 25 is located at the middle position of the inner wall of the arc-shaped groove 28, and the hitting cone 32 is also at the nearest position of the hitting effect in the auxiliary hitting assembly movement track. The reciprocating movement of the hitting cone 32 forms a crushing track to crush the large volume of coal. While the hitting cone 32 is doing reciprocating movement, in order to better improve the crushing effect of the large volume of coal, a support is needed in the middle position of the long hitting rod 29 to better stabilize the transmission force of the hitting cone 32 and the conveying reciprocating movement. Specifically, a connecting column one 30 is slidably installed in the middle position of the hitting rod 29. An "L"-shaped arc-shaped column 34 is fixed to the outer wall of the connecting column one 30. The arc-shaped column 34 extends to the inner wall of the sliding block 33 and slides in the inner wall of the sliding block 33. The moving rod 37 slides in the inner wall of the sliding block 33. The sliding block 33 slides on the outer wall of the extension plate 27 along with the lifting of the telescopic column 36. As mentioned above, the hitting rod 29 will move outward. Since the movement track of the hitting rod 29 is consistent with the shape track of the arc-shaped groove 28, the rotation of the rotating plate 22 from the initial state to clockwise rotation by 180° will make the hitting rod 29 slide from the middle position of the arc-shaped groove 28 to the lower position, so that the two telescopic columns 36 will move downward and drive the sliding block 33 to move downward. At the same time, the movement track of the hitting rod 29 is arc-shaped, which not only has a downward moving trend, but also has a forward and outward moving trend. The arc-shaped column 34 and the moving rod 37 will slide out of the inner wall of the sliding block 33. Under the cooperation of the vertical sliding of the telescopic column 36 and the sliding block 33 and the horizontal sliding of the arc-shaped column 34 and the moving rod 37, the hitting rod 29 completes the reciprocating movement of the arc-shaped movement track. In the process of sliding, the sealing cloth 38 will also be stretched to avoid the small particles of coal falling into the sliding track of the sliding block 33 and the moving rod 37, affecting the sliding and resetting of the moving rod 37.

[0063] It is worth mentioning that the servo motor 8 is unidirectional clockwise rotation by 180° (as shown in Figure 8In the process of rotation, the connecting column 24 will not contact the main shaft 13, and the fitting column at the end of the connecting disc two 25 is not above the arc-shaped slot 28 when the rotating plate 22 is in the initial position, which is beneficial to avoid the end of the fitting column of the connecting disc two 25 from moving a small distance above the inner wall of the arc-shaped slot 28 after the rotating plate 22 stops due to the action of inertial force in the process of resetting the rotating plate 22, reducing the direct contact between the fitting column and the inner wall of the arc-shaped slot 28, and relieving the collision between the connecting disc one 23, the connecting column 24 and the connecting disc two 25.

[0064] Further, in actual operation, the sliding table one 6, the sliding table two 7 and the sliding table three 9 are located in front of the coal mining machine and move synchronously with the coal mining machine, and after the coal mining machine cuts coal from the coal wall, small coal is driven under the traction of the scraper chain, and large coal blocks are blocked in front of the coal mining machine due to the weight and inertia, at this time, the servo motor 8 is started to make the beating cone 32 start reciprocating motion, when the beating cone 32 contacts the large coal blocks in front of the coal mining machine, the reciprocating pushing force continuously contacts the large coal blocks until the large coal blocks are broken, and the sliding table one 6 and the sliding table three 9 with different heights can improve the contact range of the beating cone 32 to large coal.

[0065] The present application encompasses any substitutions, modifications, equivalent methods and solutions made on the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be fully understood without the description of these details to those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0066] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. A coal mining coal transport device for use in coal mining, characterised in that, The utility model provides scrapers conveyor body, the top fixedly connected with the baffle plate of scrapers conveyor body, the side of scrapers conveyor body is installed with coal cutter drive base, the outer wall of baffle plate top is slidably connected with sliding table no. The auxiliary hitting assembly is used for breaking the coal accumulated on the scraper conveyor body.

2. A coal mining coal transport apparatus as claimed in claim 1, wherein, The auxiliary hitting assembly includes a horizontal plate fixedly connected to the top of the sliding table one, a vertical plate fixedly connected to the side of the sliding table one, a main shaft installed through the middle position of the sliding table one, a rotating disc fixedly connected to one end of the main shaft, and a driving gear fixedly connected to the end of the main shaft close to the rotating disc.

3. A coal mining coal transport apparatus as claimed in claim 2, wherein, A limiting block is fixedly connected to the inner wall of the sliding table one, a cross-shaped fixing frame is fixedly connected to the side of the sliding table one away from the rotating disc, a clamping disc is fixedly connected to the end of the main shaft close to the cross-shaped fixing frame, and a driven gear is fixedly connected to the end of the main shaft close to the clamping disc.

4. A coal mining coal transport apparatus as claimed in claim 3, wherein, A reinforcing column is fixedly connected to the side of the sliding table one, a placing groove is formed in the top of the sliding table one, a rotating plate is fixedly connected to the middle position of the outer wall of the main shaft, a connecting disc one is rotatably connected to the outer wall of the rotating plate, an adapter column is fixedly connected to the outer wall of the connecting disc one, a connecting disc two is rotatably connected to the end of the adapter column away from the connecting disc one, and a limiting plate is installed in the middle position of the main shaft close to the rotating plate.

5. A coal mining coal transport apparatus as claimed in claim 4, wherein, An extension plate is fixedly connected to the end of the limiting plate away from the sliding table one, an arc-shaped groove is formed in the side of the extension plate close to the connecting disc two, a hitting rod is fixedly connected to the outer wall of the connecting disc two, and a connecting column one is slidably connected to the outer wall of the hitting rod in the middle position.

6. A coal mining coal transport apparatus as claimed in claim 5 wherein, A fixing block is fixedly connected to the end of the extension plate away from the limiting plate, a hitting cone is fixedly connected to the end of the hitting rod away from the connecting disc two, a sliding block is slidably connected to the end of the extension plate away from the limiting plate, an arc-shaped column is installed on the outer wall of the sliding block, a connecting column two is fixedly connected to the outer wall of the arc-shaped column, an extension column is fixedly connected to the top of the sliding block, a moving rod is fixedly connected to the outer wall of the connecting column two, and a sealing cloth is installed on the side of the sliding block close to the moving rod.

7. The coal mining with coal transportation apparatus as claimed in claim 3 wherein, The horizontal plate and the vertical plate are fixedly connected to the outer wall of the sliding table one, the main shaft is designed in a tapered manner with the middle size smaller than the sizes of the two sides, an adapter groove is formed in the middle position of the clamping disc, the size of the adapter groove is consistent with that of the rotating disc, the size of the driving gear is consistent with that of the driven gear, the cross-shaped fixing frame is fixedly connected to the side of the sliding table one, the cross-shaped fixing frame is rotatably connected to the outer wall of the main shaft in the middle position, the rotating disc and the driving gear are fixedly connected to one side of the main shaft, and the clamping disc and the driven gear are fixedly connected to the other side of the main shaft.

8. The coal mining with coal transportation apparatus of claim 5, wherein, One end of the reinforcing column is fixedly connected to the side of the sliding table one, the other end of the reinforcing column is clamped to the side of the sliding table three, the inner wall of the placing groove is provided with soft rubber pads around, the end of the connecting disc two is provided with an adaptive column, the adaptive column is slidingly connected to the inner wall of the arc-shaped groove.

9. The coal mining with coal transportation apparatus of claim 6, wherein, The fixed blocks are fixedly connected to the upper and lower parts of the extension plate respectively, the top of the telescopic column is fixedly connected to the outer wall of the fixed block, the bottom of the telescopic column is fixedly connected to the top of the sliding block, the outer wall of the sliding block is provided with a round groove hole and a square groove hole, the size of the round groove hole is matched with the size of the arc-shaped column, the size of the square groove hole is matched with the size of the moving rod, the sealing cloth is made of rubber, one end of the sealing cloth is fixedly connected to the outer wall of the sliding block, the other end of the sealing cloth is fixedly connected to the outer wall of the moving rod, the moving rod is slidingly connected to the inner wall of the square groove hole, and the arc-shaped column is slidingly connected to the inner wall of the round groove hole.

10. The coal mining with coal transportation apparatus as claimed in claim 4 wherein, The outer wall of the coal mining machine driving base is provided with a fixed plate, a pushing rod is fixedly connected to the middle position of the fixed plate, the bottom of the pushing rod is clamped to the inner wall of the placing groove, the outer wall of the sliding table two is fixedly connected with a servo motor, and the inner wall of the placing groove is clamped with a lock plate.

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