Thin coal seam filling mining device

Abstract

The invention relates to the technical field of mining, and discloses a thin coal seam filling mining device which comprises a base, a supporting assembly is arranged on the upper surface of the base, a collecting assembly is fixedly installed at one end of the base, and a handheld drilling machine is placed on the upper surface of the base. The two sides of the thin coal seam can be supported in an auxiliary mode, it is guaranteed that a supporting carrier is evenly stressed, the risk of structural failure is reduced, collapse accidents are avoided, meanwhile, the body position of the supporting mechanism can be adjusted in a short distance, the mining efficiency of the thin coal seam can be improved, and mined coal can be prevented from falling on the ground through a collecting assembly; the coal is prevented from falling on the ground to pollute the coal, the purity of the coal is improved, the stirring assembly adopts bidirectional stirring to improve the stirring efficiency, meanwhile, impurities attached to the inner wall of the stirring barrel can be cleaned, the purity of filling materials is improved, and subsequent better filling of a filling area is facilitated.

Description

Technical Field

[0001] The present application relates to the field of mining technology, and in particular to a thin coal seam filling mining device. Background Art

[0002] With the continuous growth of global energy demand, coal, as one of the important fossil energy sources, has become the focus of attention in the mining field in terms of mining efficiency and safety. As an important part of coal resources, the mining technology of thin coal seams has always been a difficult and hot spot in mining engineering. As an important coal production base in the world, my country has made major breakthroughs in comprehensive mining and comprehensive caving of thick coal seams, and is in an international leading position. However, comprehensive mining of thin coal seams is a relatively weak link. Traditional thin coal seam mining methods have problems such as low efficiency and poor safety, which can hardly meet the needs of modern mining production.

[0003] The existing technology still has the following problems: 1. Existing thin coal seams require support mechanisms during the mining process. The lack of support mechanisms during the mining process of thin coal seams can easily cause surface subsidence and even cause personal safety of workers. The inner wall of the thin coal seam is uneven, which can easily cause uneven force during the support process. The bearing capacity of the support structure will be affected. Some areas may bear excessive loads while other areas are relatively light, increasing the risk of structural failure and the occurrence of collapse accidents. In addition, the existing support mechanisms are more troublesome to move over short distances, which reduces the mining efficiency of thin coal seams.

[0004] 2. It is difficult for existing mining equipment to collect the mined coal in a timely manner, so that the coal falls on the ground, which increases the cost of manual screening and even pollutes the coal when it falls on the ground, thus affecting the purity of the coal.

[0005] 3. During the coal filling and mining process, these filling materials are usually processed by crushing, mixing, conveying and other processes to meet the filling needs of the goaf. The existing stirring mechanism mostly adopts one-way stirring, which has low stirring efficiency, and the residual attachments on the inner wall are difficult to fully stir, which affects the viscosity of the filling material during coal filling, making it difficult to meet the filling needs of the goaf. Summary of the invention

[0006] The present application provides a thin coal seam filling and mining device, which solves the problems in the prior art that uneven force is easily caused during the support process, making it difficult to collect the mined coal in a timely manner and the mixing efficiency is low. It can evenly support the inner wall of the top of the thin coal seam, collect the coal in a timely manner, and use two-way mixing to improve the mixing efficiency.

[0007] The present application provides a thin coal seam filling and mining device, including a base, a support assembly is arranged on the upper surface of the base, a collecting assembly is fixedly installed on one end of the base, a handheld drill is placed on the upper surface of the base, a stirring assembly is fixedly installed on the end of the base away from the collecting assembly, the support assembly includes a slide plate, the slide plate and the base are slidably connected, a moving mechanism is arranged on the outer surface of the slide plate, an auxiliary supporting mechanism is fixedly installed on the middle part of the slide plate, a hydraulic cylinder is fixedly installed on the upper surface of the slide plate, a piston rod is slidably connected to the inner cavity of the hydraulic cylinder, a first fixed frame is fixedly installed on the upper surface of the slide plate, a first limit strip is slidably connected to the inner cavity of the first fixed frame, a uniform supporting mechanism is fixedly connected to the top end of the piston rod, and an expansion plate is slidably connected to the inner cavity of the uniform supporting mechanism.

[0008] Furthermore, the moving mechanism includes a track bar, which is fixedly connected to the base, a socket is provided on the outer surface of the track bar, a connecting plate is fixedly installed at one end of the skateboard, an insertion rod is slidably connected to the inner cavity of the connecting plate, a fixing ring is fixedly installed on the outer surface of the insertion rod, a first spring is sleeved on the outer surface of the insertion rod, the first spring is located between the fixing ring and the connecting plate, the insertion rod is engaged with the socket, and the skateboard and the track bar are slidably connected.

[0009] Furthermore, the auxiliary support mechanism includes a connecting frame, which is fixedly connected to the middle part of the connecting frame and the skateboard, the inner cavity of the connecting frame is rotatably connected to the first threaded rod, a first motor is provided on one side of the connecting frame, the output end of the first motor is socketed with the first threaded rod, the inner cavities at both ends of the connecting frame are slidably connected to the first sliding seat, the first sliding seat and the first threaded rod are connected by threads, and the threads at both ends of the first threaded rod are in opposite directions, the inner cavity of the first sliding seat is rotatably connected to the support rod, the end of the support rod away from the first sliding seat is rotatably connected to the first support seat, the inner cavity of the first support seat is rotatably connected to the first floating ball, and the outer surface of the first floating ball is fixedly mounted with the first support plate.

[0010] Furthermore, the uniform support mechanism includes a second support plate, the second support plate and the top end of the piston rod are fixedly connected, the second support plate and the upper surface of the first limit strip are fixedly connected, the bottom inner cavity of the second support plate and the expansion plate are slidably connected, the inner cavity of the second support plate is rotatably connected with the second threaded rod, the inner cavity of the second support plate is provided with a movable seat, the inner cavities at both ends of the movable seat are fixedly installed with a lifting mechanism, the inner cavity of the movable seat is rotatably connected with a third threaded rod, the top of the lifting mechanism is fixedly installed with a uniform force mechanism, the movable seat and the second threaded rod are rotatably connected, and the movable seat and the second threaded rod at both ends are connected by threads, wherein the threads at both ends of the second threaded rod are in opposite directions, the movable seat located in the middle part of the second threaded rod is fixedly connected to the second support plate, and the movable seat and the support plate located at both ends of the second threaded rod are slidably connected.

[0011] Furthermore, the lifting mechanism includes a connecting block, which is fixedly connected to the bottom wall of the movable seat, the third threaded rod and the connecting block are rotatably connected, the upper surface of the connecting block is slidably connected with a slider, the slider and the third threaded rod are threadedly connected, driving rods are fixedly installed at both ends of the slider, storage rods are fixedly installed at the four corners of the connecting block, the inner cavity of the storage rod is slidably connected with a lifting rod, the upper surface of the lifting rod is fixedly installed with a lifting block, the lower surface of the lifting block is fixedly installed with a driving block, the outer surface of the driving block is provided with a driving groove, the driving groove is inclined, and the driving rod and the driving groove are slidably connected.

[0012] Furthermore, the uniform force mechanism includes a pressure plate, the lifting block and the pressure plate are fixedly connected, the two ends of the pressure plate are rotatably connected with a first connecting strip, the upper surface of the pressure plate is fixedly installed with a sliding sleeve, the inner cavity of the sliding sleeve is slidably connected with a second sliding seat, the inner cavity of the second sliding seat is rotatably connected with a second connecting strip, the end of the second connecting strip away from the second sliding seat is rotatably connected with a second support seat, and the first connecting strip is rotatably connected to the second support seat, the inner cavity of the second support seat is rotatably connected with a second floating ball, and the outer surface of the second floating ball is fixedly installed with a support ring.

[0013] Furthermore, the collecting assembly includes a bracket, a second limiting strip is fixedly mounted on the upper surface of the bracket, a first collecting box is slidably connected to the upper surface of the bracket, the first collecting box and the second limiting strip are slidably connected, the inner cavity of the first collecting box is slidably connected to the second collecting box, a second spring is fixedly connected to the inner wall of the second collecting box, one end of the second spring away from the second collecting box is fixedly connected to the inner wall of the first collecting box, a baffle plate is slidably connected to the outer surface of the first collecting box, the inner walls of the bottom ends of the first and second collecting boxes are inclined, the inner wall of the bottom end of the second collection box close to the first collection box is the low end, and the inner wall of the bottom end of the first collection box close to the baffle plate is the low end.

[0014] Furthermore, the stirring assembly includes a stirring barrel, a feeding port is provided at the top end of the stirring barrel, a discharge port is provided at the bottom end of the stirring barrel, a supporting leg is fixedly installed on the lower surface of the stirring barrel, a second motor is fixedly installed on the outer surface of the stirring barrel, a two-way stirring mechanism is provided on the outer surface of the stirring barrel, a first stirring frame is provided in the inner cavity of the stirring barrel, and a second stirring frame is provided in the inner cavity of the stirring barrel.

[0015] Furthermore, the bidirectional stirring mechanism includes a second fixed frame, the second fixed frame and the stirring barrel are fixedly connected, the outer surface of the second fixed frame is rotatably connected to the first bevel gear, the inner cavity of the second fixed frame is rotatably connected to the first rotating rod, one end of the first rotating rod is fixedly installed with the second bevel gear, one side of the second bevel gear is fixedly installed with a connecting rod, the inner cavity of the second fixed frame is rotatably connected to the second rotating rod, one end of the second rotating rod is fixedly installed with a third bevel gear, the first bevel gear and the second bevel gear are meshed, the first bevel gear and the third bevel gear are meshed, the output end of the second motor is socketed with the first bevel gear, and the connecting rod is rotatably connected to the second rotating rod through the third bevel gear.

[0016] Furthermore, the first stirring frame includes a stirring bar, which is fixedly connected to the second rotating rod, and the second stirring frame is fixedly connected to the connecting rod. Fixed bars are fixedly installed at both ends of the stirring bar, and stirring blades are fixedly installed on the outer surface of the fixed bar. An elastic bar is slidably connected to the outer surface of the fixed bar, and a scraping rod is fixedly installed on the outer surface of the elastic bar. The scraping rod is fitted against the inner wall of the stirring barrel, and a third spring is arranged between the elastic bar and the fixed bar, and the elastic bar and the third spring are elastically connected.

[0017] The technical solution provided by this application has at least the following technical effects or advantages: 1. The use of support components effectively solves the problem that the existing thin coal seams require support mechanisms during the mining process. The lack of support mechanisms during the mining process of thin coal seams can easily cause surface subsidence and even cause personal safety of workers. The inner wall of the thin coal seam is uneven, which can easily cause uneven force during the support process. The bearing capacity of the support structure will be affected. Some areas may bear excessive loads while other areas are relatively light, increasing the risk of structural failure and the occurrence of collapse accidents. In addition, the existing support mechanism is more troublesome when moving over short distances, which reduces the mining efficiency of thin coal seams. The present invention can evenly support the inner wall of the top of the thin coal seam through the support component, and can provide auxiliary support on both sides of the thin coal seam, ensuring that the support carrier is evenly stressed, reducing the risk of structural failure, and avoiding the occurrence of collapse accidents. At the same time, the position of the support mechanism can be adjusted over a short distance to increase the mining efficiency of the thin coal seam.

[0018] 2. The use of the collecting component effectively solves the problem that the existing mining equipment is difficult to collect the mined coal in a timely manner, causing the coal to fall on the ground, thereby increasing the cost of manual screening, and even the coal falling on the ground causing pollution to the coal, thereby affecting the purity of the coal. The present invention can prevent the mined coal from falling on the ground through the collecting component, avoid coal falling on the ground and polluting the coal, and improve the purity of the coal.

[0019] 3. The use of a stirring component effectively solves the problem that during the coal filling and mining process, these filling materials usually undergo crushing, mixing, conveying and other process treatments to meet the filling needs of the goaf. The existing stirring mechanisms mostly use one-way stirring, which has low stirring efficiency, and the residual attachments on the inner wall are difficult to fully stir, thereby affecting the viscosity of the filling material during coal filling, making it difficult to meet the filling needs of the goaf. The present invention uses a two-way stirring method through a stirring component to improve the stirring efficiency, and at the same time can clean up the impurities attached to the inner wall of the stirring barrel, thereby improving the purity of the filling material and facilitating better subsequent filling of the filling area. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 This is a schematic diagram of the support assembly structure in Example 1 of the present application; Figure 3 For Example 1 of this application Figure 2 A schematic diagram of the structure enlargement at the center A; Figure 4 This is a schematic diagram of the auxiliary support mechanism structure in Example 1 of the present application; Figure 5 This is a schematic diagram of the partial structure of the first support plate in Example 1 of the present application; Figure 6 This is a schematic diagram of the expansion board structure in Embodiment 1 of the present application; Figure 7 This is a schematic diagram of the uniform support mechanism structure in Example 1 of the present application; Figure 8 This is a schematic diagram of the structure of the third threaded rod in Embodiment 1 of the present application; Fig. 9 This is a schematic diagram of the lifting mechanism structure in Example 1 of the present application; Fig.10 Schematic diagram of the cross-section of the sleeve structure in the first embodiment of the present application; Fig.11 This is a schematic diagram of the structure of the collection component in Example 1 of the present application; Fig.12 This is a schematic cross-sectional view of the mixing barrel structure in the second embodiment of the present application; Fig.13 This is a schematic diagram of the structure of the second stirring frame in the second embodiment of the present application; Fig.14 This is a schematic diagram of the structure of the bidirectional stirring mechanism in Example 2 of the present application; Fig.15 This is a schematic diagram of the structure of the first stirring frame in the second embodiment of the present application.

[0021] In the figure: 1, base; 2, support assembly; 21, slide plate; 22, moving mechanism; 221, track bar; 222, jack; 223, connecting plate; 224, plug rod; 225, fixing ring; 226, first spring; 23, auxiliary support mechanism; 231, connecting frame; 232, first threaded rod; 233, first motor; 234, first slide seat; 235, support rod; 236, first support seat; 237, first floating ball; 238, first support plate; 24, liquid Cylinder; 25, piston rod; 26, first fixed frame; 27, first limit strip; 28, uniform support mechanism; 281, second support plate; 282, second threaded rod; 283, moving seat; 284, lifting mechanism; 2841, connecting block; 2842, slider; 2843, driving rod; 2844, storage rod; 2845, lifting rod; 2846, lifting block; 2847, driving block; 2848, driving slot; 285, third threaded rod; 286, uniform force mechanism ; 2861, pressure plate; 2862, first connecting strip; 2863, sliding sleeve; 2864, second sliding seat; 2865, second connecting strip; 2866, second supporting seat; 2867, second floating ball; 2868, supporting ring; 29, expansion plate; 3, collecting assembly; 31, bracket; 32, second limiting strip; 33, first collecting box; 34, second collecting box; 35, second spring; 36, shielding plate; 4, handheld drill; 5, mixing assembly; 51, mixing barrel; 52. Feed inlet; 53. Discharge inlet; 54. Support legs; 55. Second motor; 56. Bidirectional stirring mechanism; 561. Second fixed frame; 562. First bevel gear; 563. First rotating rod; 564. Second bevel gear; 565. Connecting rod; 566. Second rotating rod; 567. Third bevel gear; 57. First stirring frame; 571. Stirring bar; 572. Fixed bar; 573. Stirring blade; 574. Elastic bar; 575. Scraping rod; 58. Second stirring frame. DETAILED DESCRIPTION

[0022] In order to solve the problem of uneven force during the support process, the present invention can evenly support the inner wall of the top of the thin coal seam through the support assembly; in order to solve the problem of coal falling on the ground and causing pollution to the coal, the present invention can prevent the mined coal from falling on the ground through the collection assembly; in order to solve the problem of low stirring efficiency, the present invention adopts two-way stirring through the stirring assembly to improve the stirring efficiency.

[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. Example

[0024] See also Figure 1As shown, a thin coal seam filling and mining device includes a base 1, a support component 2 is arranged on the upper surface of the base 1, a collecting component 3 is fixedly installed at one end of the base 1, a handheld drill 4 is placed on the upper surface of the base 1, and a stirring component 5 is fixedly installed at the end of the base 1 away from the collecting component 3. When the thin coal seam is mined, the support component 2 is used for support, the collecting component 3 is used for collecting coal, the handheld drill 4 is used for hand-held mining of coal, and the stirring component 5 is used for stirring and mixing solid waste such as coal gangue as filling material, so as to fill the thin coal seam after mining to prevent surface subsidence in the thin coal seam.

[0025] See also Figure 2 As shown, the support assembly 2 includes a slide plate 21, the slide plate 21 is slidably connected to the base 1, a moving mechanism 22 is arranged on the outer surface of the slide plate 21, an auxiliary support mechanism 23 is fixedly installed on the middle part of the slide plate 21, a hydraulic cylinder 24 is fixedly installed on the upper surface of the slide plate 21, a piston rod 25 is slidably connected to the inner cavity of the hydraulic cylinder 24, a first fixed frame 26 is fixedly installed on the upper surface of the slide plate 21, a first limit strip 27 is slidably connected to the inner cavity of the first fixed frame 26, a uniform support mechanism 28 is fixedly connected to the top of the piston rod 25, and an expansion plate 29 is slidably connected to the inner cavity of the uniform support mechanism 28, and the support is changed by the slide plate 21 on the upper surface of the base 1. The overall position of component 2 is convenient for fine-tuning the support position. The auxiliary support mechanism 23 is used to support both sides of the thin coal seam. The operation of the hydraulic cylinder 24 drives the piston rod 25 to move, and the movement of the piston rod 25 drives the uniform support mechanism 28 to rise. The uniform support mechanism 28 is used to support the top of the thin coal seam. At the same time, the rise of the uniform support mechanism 28 drives the first limit bar 27 to slide in the inner cavity of the first fixed frame 26, which is convenient for maintaining the stability of the uniform support mechanism 28. At the same time, the expansion plate 29 can be pulled out of the inner cavity of the uniform support mechanism 28, which is convenient for increasing the protection area, so that people working under the expansion plate 29 area can prevent sand and gravel from affecting their work.

[0026] See also Figure 2 and Figure 3As shown, the moving mechanism 22 includes a track bar 221, the track bar 221 is fixedly connected to the base 1, a socket 222 is provided on the outer surface of the track bar 221, a connecting plate 223 is fixedly installed at one end of the slide plate 21, a plug rod 224 is slidably connected to the inner cavity of the connecting plate 223, a fixing ring 225 is fixedly installed on the outer surface of the plug rod 224, a first spring 226 is sleeved on the outer surface of the plug rod 224, the first spring 226 is located between the fixing ring 225 and the connecting plate 223, the plug rod 224 is plugged into the socket 222, the slide plate 21 and the track bar 221 are slidably connected, and when it is needed When moving the support position, pull the plug rod 224 to disengage the plug rod 224 and the socket 222. At this time, the position of the moving slide 21 on the base 1 is changed. When the slide 21 is moved, the auxiliary support mechanism 23 and the uniform support mechanism 28 are both in a non-support state to avoid collision with the coal mine. When it reaches the appropriate position, release the plug rod 224, and the plug rod 224 slides in the inner cavity of the connecting plate 223. The elastic force of the first spring 226 drives the fixing ring 225 to move toward the track bar 221, so that the plug rod 224 is engaged with the socket 222 again, and the slide 21 is stabilized at the required position of the base 1.

[0027] See also Figure 2 , Figure 4 and Figure 5 As shown, the auxiliary support mechanism 23 includes a connecting frame 231, the connecting frame 231 and the middle part of the slide plate 21 are fixedly connected, the inner cavity of the connecting frame 231 is rotatably connected to the first threaded rod 232, a first motor 233 is provided on one side of the connecting frame 231, the output end of the first motor 233 is sleeved with the first threaded rod 232, the inner cavities at both ends of the connecting frame 231 are slidably connected to the first slide seat 234, the first slide seat 234 and the first threaded rod 232 are connected by threads, and the threads at both ends of the first threaded rod 232 are in opposite directions, the inner cavity of the first slide seat 234 is rotatably connected to the support rod 235, and the end of the support rod 235 away from the first slide seat 234 is rotatably connected to the first The support seat 236, the inner cavity of the first support seat 236 is rotatably connected with the first floating ball 237, and the outer surface of the first floating ball 237 is fixedly installed with the first support plate 238. The first threaded rod 232 is driven to rotate by the operation of the first motor 233, so that the first slide seat 234 slides on the connecting frame 231, which is convenient for adjusting the position of the first slide seat 234. The first slide seat 234 can be adjusted according to the inner width of the thin coal seam, so that the first support plate 238 and the inner walls on both sides of the thin coal seam are in contact, and the first floating ball 237 can rotate in the inner cavity of the first support seat 236, so that the first support plate 238 can support the inclined inner walls on both sides, thereby increasing the stability of the thin coal seam.

[0028] See also Figure 6 , Figure 7 and Figure 8As shown, the uniform support mechanism 28 includes a second support plate 281, the second support plate 281 is fixedly connected to the top of the piston rod 25, the second support plate 281 is fixedly connected to the upper surface of the first limit strip 27, the bottom inner cavity of the second support plate 281 is slidably connected to the expansion plate 29, the inner cavity of the second support plate 281 is rotatably connected to the second threaded rod 282, the inner cavity of the second support plate 281 is provided with a moving seat 283, the inner cavities at both ends of the moving seat 283 are fixedly installed with a lifting mechanism 284, the inner cavity of the moving seat 283 is rotatably connected to the third threaded rod 285, the top of the lifting mechanism 284 is fixedly installed with a uniform force mechanism 286, the moving seat 283 and the second threaded rod 282 are rotatably connected, and the moving seats 283 and the second threaded rod 282 at both ends are threadedly connected, wherein the threads at the two ends of the second threaded rod 282 are in opposite directions, and the moving seat 283 and the second support The support plate 281 is fixedly connected, and the movable seats 283 located at both ends of the second threaded rod 282 are slidably connected to the second support plate 281. The uniform support mechanism 28 is used for top support. Since the inner wall of the top of the thin coal seam is relatively uneven, it is easy to be unevenly stressed through the flat plate support. The second threaded rod 282 is rotated to make the movable seats 283 at both ends slide on the second support plate 281, which is convenient for adjusting the spacing of the movable seats 283. The distance of the movable seats 283 is adjusted according to the flatness of the top of the thin coal seam, so that the uniform force mechanism 286 can fit the flat top of the thin coal seam as much as possible. At this time, the height of the lifting mechanism 284 is changed by rotating the third threaded rod 285, so that the upper surface of the uniform force mechanism 286 can fit closely to the top of the thin coal seam, so that the second support plate 281 is relatively evenly stressed as a whole. Due to the uniform stress, the bearing capacity of the support structure is enhanced, the risk of structural failure is reduced, and safety accidents are avoided.

[0029] See also Figure 8 and Fig. 9As shown, the lifting mechanism 284 includes a connecting block 2841, the connecting block 2841 is fixedly connected to the bottom wall of the moving seat 283, the third threaded rod 285 is rotatably connected to the connecting block 2841, the upper surface of the connecting block 2841 is slidably connected with a slider 2842, the slider 2842 and the third threaded rod 285 are threadedly connected, the two ends of the slider 2842 are fixedly installed with driving rods 2843, the four corners of the connecting block 2841 are fixedly installed with storage rods 2844, the inner cavity of the storage rod 2844 is slidably connected with a lifting rod 2845, the upper surface of the lifting rod 2845 is fixedly installed with a lifting block 2846, the lower surface of the lifting block 2846 is fixedly installed with a driving block 2847, and the outer surface of the driving block 2847 is provided with a driving The driving groove 2848 is movable, the driving groove 2848 is inclined, the driving rod 2843 and the driving groove 2848 are slidably connected. When the height of the uniform force mechanism 286 is adjusted, the slider 2842 is driven to slide in the inner cavity of the connecting block 2841 by rotating the third threaded rod 285. The sliding of the slider 2842 drives the driving rod 2843 to move. The movement of the driving rod 2843 drives the driving rod 2843 to slide in the inner cavity of the driving groove 2848 on the driving block 2847. At the same time, the movement of the driving rod 2843 drives the lifting rod 2845 to slide on the storage rod 2844, thereby changing the height of the lifting block 2846 and changing the height of the uniform force mechanism 286, so that the uniform force mechanism 286 can better contact with the top and increase the uniform force of the support.

[0030] See also Figure 7 , Figure 8 and Fig.10As shown, the uniform force mechanism 286 includes a pressure plate 2861, the lifting block 2846 and the pressure plate 2861 are fixedly connected, the two ends of the pressure plate 2861 are rotatably connected to the first connecting strip 2862, the upper surface of the pressure plate 2861 is fixedly installed with a sliding sleeve 2863, the inner cavity of the sliding sleeve 2863 is slidably connected to the second sliding seat 2864, the inner cavity of the second sliding seat 2864 is rotatably connected to the second connecting strip 2865, and the second connecting strip 2865 is rotatably connected to the end away from the second sliding seat 2864. The second support seat 2866 is connected, and the first connecting strip 2862 is rotatably connected to the second support seat 2866. The inner cavity of the second support seat 2866 is rotatably connected to the second floating ball 2867. The outer surface of the second floating ball 2867 is fixedly installed with a support ring 2868. When the uniform support mechanism 28 is supporting, the support ring 2868 is in contact with the top of the thin coal seam. Since the thin coal seam is uneven during mining, it needs to be evenly stressed during support, which causes part of the support ring 2868 to be There is a gap when contacting with the thin coal seam, so the position of the uniform force mechanism 286 on the second support plate 281 is moved by rotating the second threaded rod 282, so that the position of the uniform force mechanism 286 is moved to a relatively flat place of the thin coal seam. At this time, the height of the uniform force mechanism 286 driven by the lifting mechanism 284 is changed by rotating the third threaded rod 285, that is, the distance between the pressure plate 2861 and the moving seat 283 is changed, so that the support ring 2868 can be in close contact with the top of the thin coal seam. At the same time, during the contact process of the support ring 2868, the thrust generated by the hydraulic cylinder 24 causes the second slide seat 2864 to slide in the inner cavity of the sliding sleeve 2863. At this time, the second connecting strip 2865 and the first connecting strip 2862 rotate, so that different support rings 2868 appear at different heights. At this time, the support ring 2868 can support the uneven top of the thin coal seam at multiple points, so that the overall force of the second support plate 281 is more even, and the uniform force of the supporting components reduces the occurrence of collapse accidents.

[0031] See also Fig.10 and Fig.11As shown, the collecting assembly 3 includes a bracket 31, a second limiting strip 32 is fixedly mounted on the upper surface of the bracket 31, a first collecting box 33 is slidably connected to the upper surface of the bracket 31, the first collecting box 33 and the second limiting strip 32 are slidably connected, the inner cavity of the first collecting box 33 is slidably connected to the second collecting box 34, the inner wall of the second collecting box 34 is fixedly connected to a second spring 35, one end of the second spring 35 away from the second collecting box 34 is fixedly connected to the inner wall of the first collecting box 33, a shielding plate 36 is slidably connected to the outer surface of the first collecting box 33, the inner walls of the bottom ends of the first collecting box 33 and the second collecting box 34 are inclined, the inner wall of the bottom end of the second collecting box 34 is close to the first collecting box 33 as the low end, and the inner wall of the bottom end of the first collecting box 33 is close to the shielding plate 36 as the low end. At the end, the thin coal seam is mined by the handheld drill 4, so that the second collecting box 34 is fitted with the mined coal seam wall, and the drilled coal falls into the inner cavity of the second collecting box 34. The bottom end of the second collecting box 34 is tilted to allow the coal to enter the inner cavity of the first collecting box 33. The baffle plate 36 can be opened to allow the coal to be collected at a fixed point on one side of the baffle plate 36. The second spring 35 elastically connects the first collecting box 33 and the second collecting box 34, so as to better fit the second collecting box 34 and the thin coal seam. The first collecting box 33 can slide on the second limit bar 32, so as to adjust the position of the first collecting box 33. At the same time, the first collecting box 33 can also be taken out on the second limit bar 32, so as to dump and collect the coal in the inner cavities of the first collecting box 33 and the second collecting box 34 as a whole. Example

[0032] See also Fig.12 As shown, the stirring assembly 5 includes a stirring barrel 51, a feeding port 52 is provided at the top of the stirring barrel 51, a feeding port 53 is provided at the bottom of the stirring barrel 51, a supporting leg 54 is fixedly installed on the lower surface of the stirring barrel 51, a second motor 55 is fixedly installed on the outer surface of the stirring barrel 51, a two-way stirring mechanism 56 is provided on the outer surface of the stirring barrel 51, a first stirring frame 57 is provided in the inner cavity of the stirring barrel 51, a second stirring frame 58 is provided in the inner cavity of the stirring barrel 51, the feeding port 52 is used for putting the raw materials of the filling material, the feeding port 53 is used for discharging, the supporting leg 54 is used for supporting the stirring barrel 51, and the two-way stirring mechanism 56 is driven to work by the operation of the second motor 55, so that the first stirring frame 57 and the second stirring frame 58 are rotated forward and reversely in the inner cavity of the stirring barrel 51, so as to facilitate the crushing and mixing of the filling material and facilitate subsequent filling.

[0033] See also Fig.12 , Fig.13 , Fig.14 and Fig.15As shown, the bidirectional stirring mechanism 56 includes a second fixed frame 561, the second fixed frame 561 and the stirring barrel 51 are fixedly connected, the outer surface of the second fixed frame 561 is rotatably connected to the first bevel gear 562, the inner cavity of the second fixed frame 561 is rotatably connected to the first rotating rod 563, one end of the first rotating rod 563 is fixedly installed with the second bevel gear 564, one side of the second bevel gear 564 is fixedly installed with a connecting rod 565, the inner cavity of the second fixed frame 561 is rotatably connected to the second rotating rod 566, one end of the second rotating rod 566 is fixedly installed with a third bevel gear 567, the first bevel gear 562 and the second bevel gear 565 are fixedly installed. 4 meshes, the first bevel gear 562 and the third bevel gear 567 mesh, the output end of the second motor 55 is sleeved with the first bevel gear 562, the connecting rod 565 is rotatably connected through the third bevel gear 567 and the second rotating rod 566, the first stirring frame 57 includes a stirring bar 571, the stirring bar 571 is fixedly connected to the second rotating rod 566, the second stirring frame 58 is fixedly connected to the connecting rod 565, both ends of the stirring bar 571 are fixedly installed with fixed bars 572, the outer surface of the fixed bar 572 is fixedly installed with a stirring blade 573, the outer surface of the fixed bar 572 is slidably connected with an elastic bar 574, the outer surface of the elastic bar 574 A scraping rod 575 is fixedly installed, and the scraping rod 575 is fitted to the inner wall of the mixing barrel 51. A third spring is arranged between the elastic strip 574 and the fixed strip 572, and the elastic strip 574 and the third spring are elastically connected. The operation of the second motor 55 drives the first bevel gear 562 to rotate, and the rotation of the first bevel gear 562 drives the second bevel gear 564 and the third bevel gear 567 to rotate. The rotation of the second bevel gear 564 and the third bevel gear 567 drives the first rotating rod 563 and the second rotating rod 566 to rotate in the inner cavity of the second fixed frame 561. At the same time, the rotation of the second bevel gear 564 drives the connecting rod 565 to rotate, and the connecting rod 565 and the second rotating rod The rotation of the movable rod 566 drives the second stirring frame 58 and the stirring bar 571 to rotate, while the second bevel gear 564 and the third bevel gear 567 rotate in opposite directions, thereby driving the first stirring frame 57 and the second stirring frame 58 to stir in both directions, so as to better crush, stir and mix the filling material. At the same time, the scraping rod 575 is used to scrape against the inner wall of the stirring barrel 51 to prevent the filling material from adhering to the inner wall of the stirring barrel 51, and a third spring is arranged between the elastic bar 574 and the fixed bar 572 to facilitate the flexible connection between the elastic bar 574 and the fixed bar 572 to prevent the scraping rod 575 from being too rigid and causing damage to the inner wall of the stirring barrel 51 when scraping.

[0034] In summary, the support component 2 is used for support during the mining of thin coal seams, the collecting component 3 is used for collecting coal mines, the handheld drill 4 is used for handheld mining of coal mines, and the stirring component 5 is used for stirring and mixing solid wastes such as coal gangue as filling materials. The thin coal seams are filled after mining to prevent surface subsidence of the thin coal seams. The slide plate 21 is used to change the overall position of the support component 2 on the upper surface of the base 1, so as to facilitate fine-tuning of the support position. The auxiliary support mechanism 23 is used to support both sides of the thin coal seam. The operation of the hydraulic cylinder 24 drives the piston rod 25 to move, and the movement of the piston rod 25 drives the uniform support mechanism 28 to rise. The uniform support mechanism 28 is used to support the top of the thin coal seam. At the same time, the rise of the uniform support mechanism 28 drives the first limit bar 27 to slide in the inner cavity of the first fixed frame 26, so as to maintain the stability of the uniform support mechanism 28. At the same time, The expansion plate 29 is pulled out from the inner cavity of the uniform support mechanism 28, which is convenient for increasing the protection area, so that the personnel working under the expansion plate 29 area can prevent the sand and gravel from affecting their work. The thin coal seam is mined by the handheld drill 4, so that the second collecting box 34 is in contact with the mined coal seam wall, so that the drilled coal falls into the inner cavity of the second collecting box 34, and the bottom end of the second collecting box 34 is tilted to allow the coal to enter the inner cavity of the first collecting box 33. The baffle plate 36 can be opened to allow the coal to be collected at a fixed point on one side of the baffle plate 36. The feed port 52 is used to place the raw materials of the filling material, the discharge port 53 is used for discharging, and the support leg 54 is used to support the mixing barrel 51. The operation of the second motor 55 drives the bidirectional stirring mechanism 56 to work, so that the first stirring frame 57 and the second stirring frame 58 are reversed in the inner cavity of the mixing barrel 51, which is convenient for crushing and mixing the filling material and facilitating subsequent filling.

[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0036] What has been described above is only a preferred specific implementation manner of the embodiments of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A thin coal seam backfill mining device, comprising a base (1), characterized in that: A support assembly (2) is provided on the upper surface of the base (1); a collection assembly (3) is fixedly mounted on one end of the base (1); a handheld drill (4) is placed on the upper surface of the base (1); and a stirring assembly (5) is fixedly mounted on one end of the base (1) away from the collection assembly (3); The support assembly (2) comprises a slide plate (21), the slide plate (21) and the base (1) are slidably connected, a moving mechanism (22) is arranged on the outer surface of the slide plate (21), an auxiliary support mechanism (23) is fixedly installed in the middle part of the slide plate (21), a hydraulic cylinder (24) is fixedly installed on the upper surface of the slide plate (21), the inner cavity of the hydraulic cylinder (24) is slidably connected to a piston rod (25), a first fixed frame (26) is fixedly installed on the upper surface of the slide plate (21), the inner cavity of the first fixed frame (26) is slidably connected to a first limit strip (27), the top end of the piston rod (25) is fixedly connected to a uniform support mechanism (28), and the inner cavity of the uniform support mechanism (28) is slidably connected to an expansion plate (29).

2. A thin coal seam backfill mining device as claimed in claim 1, characterized in that: The moving mechanism (22) comprises a track bar (221), the track bar (221) and the base (1) are fixedly connected, the outer surface of the track bar (221) is provided with a plug hole (222), one end of the slide plate (21) is fixedly mounted with a connecting plate (223), the inner cavity of the connecting plate (223) is slidably connected with an insertion rod (224), the outer surface of the insertion rod (224) is fixedly mounted with a fixing ring (225), the outer surface of the insertion rod (224) is sleeved with a first spring (226), the first spring (226) is located between the fixing ring (225) and the connecting plate (223), the insertion rod (224) and the plug hole (222) are plugged together, and the slide plate (21) and the track bar (221) are slidably connected.

3. A thin coal seam backfill mining device as claimed in claim 1, characterized in that: The auxiliary support mechanism (23) comprises a connecting frame (231), wherein the connecting frame (231) and the middle part of the slide plate (21) are fixedly connected, the inner cavity of the connecting frame (231) is rotatably connected to a first threaded rod (232), a first motor (233) is provided on one side of the connecting frame (231), an output end of the first motor (233) is sleeved with the first threaded rod (232), the inner cavities at both ends of the connecting frame (231) are slidably connected to first slide seats (234), and the first slide seats (23 4) is connected to the first threaded rod (232) by threads, and the threads at both ends of the first threaded rod (232) are in opposite directions, the inner cavity of the first slide seat (234) is rotatably connected to a support rod (235), one end of the support rod (235) away from the first slide seat (234) is rotatably connected to a first support seat (236), the inner cavity of the first support seat (236) is rotatably connected to a first floating ball (237), and the outer surface of the first floating ball (237) is fixedly mounted with a first support plate (238).

4. A thin coal seam backfill mining device as claimed in claim 1, characterized in that: The uniform support mechanism (28) comprises a second support plate (281), the second support plate (281) is fixedly connected to the top of the piston rod (25), the second support plate (281) is fixedly connected to the upper surface of the first limit strip (27), the inner cavity at the bottom end of the second support plate (281) is slidably connected to the expansion plate (29), the inner cavity of the second support plate (281) is rotatably connected to the second threaded rod (282), the inner cavity of the second support plate (281) is provided with a movable seat (283), the inner cavities at both ends of the movable seat (283) are fixedly installed with lifting mechanisms (284), and the movable seat (28 3) is rotatably connected to the inner cavity of the lifting mechanism (284), a uniform force mechanism (286) is fixedly installed on the top of the lifting mechanism (284), the movable seat (283) and the second threaded rod (282) are rotatably connected, and the movable seats (283) and the second threaded rod (282) at both ends are connected by threads, wherein the threads at both ends of the second threaded rod (282) are in opposite directions, the movable seat (283) located in the middle of the second threaded rod (282) is fixedly connected to the second support plate (281), and the movable seats (283) and the second support plate (281) located at both ends of the second threaded rod (282) are slidably connected.

5. A thin coal seam backfill mining device as claimed in claim 4, characterized in that: The lifting mechanism (284) comprises a connecting block (2841), wherein the connecting block (2841) is fixedly connected to the bottom wall of the movable seat (283), the third threaded rod (285) is rotatably connected to the connecting block (2841), a slider (2842) is slidably connected to the upper surface of the connecting block (2841), the slider (2842) and the third threaded rod (285) are connected by threads, driving rods (2843) are fixedly installed at both ends of the slider (2842), and the four ends of the connecting block (2841) are connected to the movable seat (283). A storage rod (2844) is fixedly installed at each corner, the inner cavity of the storage rod (2844) is slidably connected to a lifting rod (2845), a lifting block (2846) is fixedly installed on the upper surface of the lifting rod (2845), and a driving block (2847) is fixedly installed on the lower surface of the lifting block (2846), and a driving groove (2848) is opened on the outer surface of the driving block (2847), and the driving groove (2848) is inclined, and the driving rod (2843) and the driving groove (2848) are slidably connected.

6. A thin coal seam backfill mining device as claimed in claim 5, characterized in that: The uniform force mechanism (286) comprises a pressure plate (2861), the lifting block (2846) and the pressure plate (2861) are fixedly connected, the two ends of the pressure plate (2861) are rotatably connected with a first connecting bar (2862), the upper surface of the pressure plate (2861) is fixedly mounted with a sliding sleeve (2863), the inner cavity of the sliding sleeve (2863) is slidably connected with a second sliding seat (2864), the inner cavity of the second sliding seat (2864) is rotatably connected with a second connecting bar (2865), one end of the second connecting bar (2865) away from the second sliding seat (2864) is rotatably connected with a second supporting seat (2866), and the first connecting bar (2862) and the second supporting seat (2866) are rotatably connected, the inner cavity of the second supporting seat (2866) is rotatably connected with a second floating ball (2867), and the outer surface of the second floating ball (2867) is fixedly mounted with a supporting ring (2868).

7. A thin coal seam backfill mining device as claimed in claim 1, characterized in that: The collecting assembly (3) comprises a bracket (31), a second limiting strip (32) being fixedly mounted on the upper surface of the bracket (31), a first collecting box (33) being slidably connected to the upper surface of the bracket (31), the first collecting box (33) and the second limiting strip (32) being slidably connected, the inner cavity of the first collecting box (33) being slidably connected to the second collecting box (34), the inner wall of the second collecting box (34) being fixedly connected to a second spring (35), one end of the second spring (35) away from the second collecting box (34) being fixedly connected to the inner wall of the first collecting box (33), a shielding plate (36) being slidably connected to the outer surface of the first collecting box (33), the inner walls of the bottom ends of the first collecting box (33) and the second collecting box (34) being inclined, the side of the inner wall of the bottom end of the second collecting box (34) close to the first collecting box (33) being the lower end, and the side of the inner wall of the bottom end of the first collecting box (33) close to the shielding plate (36) being the lower end.

8. The thin coal seam backfill mining device according to claim 1, characterized in that: The stirring assembly (5) comprises a stirring barrel (51), a feeding port (52) is provided at the top end of the stirring barrel (51), a feeding port (53) is provided at the bottom end of the stirring barrel (51), a supporting leg (54) is fixedly mounted on the lower surface of the stirring barrel (51), a second motor (55) is fixedly mounted on the outer surface of the stirring barrel (51), a bidirectional stirring mechanism (56) is provided on the outer surface of the stirring barrel (51), a first stirring frame (57) is provided in the inner cavity of the stirring barrel (51), and a second stirring frame (58) is provided in the inner cavity of the stirring barrel (51).

9. A thin coal seam backfill mining device as claimed in claim 8, characterized in that: The bidirectional stirring mechanism (56) comprises a second fixed frame (561), the second fixed frame (561) is fixedly connected to the stirring barrel (51), the outer surface of the second fixed frame (561) is rotatably connected to a first bevel gear (562), the inner cavity of the second fixed frame (561) is rotatably connected to a first rotating rod (563), one end of the first rotating rod (563) is fixedly mounted to a second bevel gear (564), one side of the second bevel gear (564) is fixedly mounted to a connecting rod (565), and the first rotating rod (563) is rotatably connected to a first bevel gear (564). The inner cavity of the second fixed frame (561) is rotatably connected to a second rotating rod (566); one end of the second rotating rod (566) is fixedly mounted with a third bevel gear (567); the first bevel gear (562) is meshed with the second bevel gear (564); the first bevel gear (562) is meshed with the third bevel gear (567); the output end of the second motor (55) is sleeved with the first bevel gear (562); and the connecting rod (565) is rotatably connected to the second rotating rod (566) through the third bevel gear (567).

10. A thin coal seam backfill mining device as claimed in claim 9, characterized in that: The first stirring frame (57) comprises a stirring bar (571), the stirring bar (571) being fixedly connected to the second rotating rod (566), the second stirring frame (58) being fixedly connected to the connecting rod (565), fixing bars (572) being fixedly mounted at both ends of the stirring bar (571), a stirring blade (573) being fixedly mounted on the outer surface of the fixing bar (572), an elastic bar (574) being slidably connected to the outer surface of the fixing bar (572), a scraping rod (575) being fixedly mounted on the outer surface of the elastic bar (574), the scraping rod (575) being in contact with the inner wall of the stirring barrel (51), a third spring being arranged between the elastic bar (574) and the fixing bar (572), and the elastic bar (574) and the third spring being elastically connected.

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