Crushing device for large gangues on fully-mechanized coal mining face of coal mine
By designing a large gangue crushing device for fully mechanized coal mining faces with a two-stage crushing function, combined with a lifting mechanism and a dust removal mechanism, the problems of poor crushing effect and dust pollution were solved, achieving efficient and environmentally friendly gangue crushing treatment.
Patent Information
- Application Number
- CN202520114970.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In existing technologies, the crushing effect of large pieces of gangue in fully mechanized coal mining faces is not good, the degree of crushing cannot be adjusted, a large amount of dust is generated, polluting the environment and harming human health.
A large-block gangue crushing device for fully mechanized coal mining faces was designed, comprising a first crushing mechanism, a lifting mechanism, and a dust removal mechanism. It has a two-stage crushing function, crushing through a combination of the first and second crushing rollers, adjusting the crushing degree with the lifting mechanism, and is equipped with a dust removal mechanism to reduce dust emissions.
It enables the adjustment of the crushing degree according to demand, improves crushing efficiency, reduces dust pollution, and enhances environmental protection. It is suitable for secondary crushing and environmentally friendly treatment of coal gangue.
Smart Images

Figure CN223847012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal gangue crushing technical field, concretely is a kind of coal mine fully mechanized face large gangue crushing device. BACKGROUND
[0002] Coal gangue is a kind of black gray rock with lower carbon content and harder than coal, which is associated with coal seam during coal formation. The coal gangue produced during coal mining is discarded and occupies a large area of land. To solve the problem of excessive coal gangue occupying a large area of land, crushing equipment is often used for crushing.
[0003] In the prior art, conventional coal mine fully mechanized face large gangue crushing is usually carried out by a single crushing roller, which has poor crushing effect and cannot adjust the crushing degree of large gangue according to the use requirement, which is not conducive to the use of subsequent gangue fragments for backfilling. During the crushing process, a large amount of dust is generated, which pollutes the environment and causes harm to the body if inhaled for a long time. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of coal mine fully mechanized face large gangue crushing device to solve the problem in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of coal mine fully mechanized face large gangue crushing device, including box, the upper surface of the box is equipped with feeding hopper, the first crushing mechanism is arranged between the front and rear inner walls of the box corresponding to the feeding hopper, the conical hopper is fixedly installed on the inner wall of the box near the middle position, the lifting mechanism is installed between the left and right side walls of the box, the moving plate is installed on the upper surface of the lifting mechanism, the second crushing mechanism is fixedly installed on the moving plate, and the second crushing mechanism is inserted into the conical hopper, the guide plate is fixedly installed in the box on the lower side of the conical hopper, and the discharge port is formed in the right side wall of the box corresponding to the guide plate, and the dust removal mechanism is installed on the right side of the box.
[0006] Further, the first crushing mechanism includes a first crushing roller and a first motor, the first crushing roller is arranged on the left and right sides, and the first crushing roller is installed between the front and rear inner walls of the box, the output shaft of the first crushing roller is fixedly connected with the input shaft of the first motor, and the first motor is fixedly installed on the front side of the box.
[0007] Further, the lifting mechanism includes a manual linear module, a transmission rod, a hinge and a connecting rod, the manual linear module is mirror-imaged on the left and right sides, the transmission rod is connected between the lead screws of the manual linear modules, the hinge is arranged on the front and rear sides of the sliding table of the manual linear module and the lower surface of the moving plate, and the upper and lower hinges are connected by the connecting rod.
[0008] Further, the second crushing mechanism comprises a second motor, a rotating shaft and a second crushing roller, the second motor is installed on the lower surface of the moving plate, the rotating shaft is fixedly installed on the upper surface of the output shaft of the second motor, the second crushing roller is fixedly installed on the rotating shaft and is installed in the conical hopper.
[0009] Further, the horizontal rod is fixedly installed between the left and right inner walls of the conical hopper corresponding to the upper surface of the rotating shaft, and the first penetrating hole for the rotating shaft to pass through is formed in the horizontal rod.
[0010] Further, the guide plate is arranged at an inclination of ten degrees, and the second penetrating hole corresponding to the rotating shaft is formed in the guide plate.
[0011] Further, the dust removal mechanism comprises an air filter, a dust collecting pipe and an air suction assembly, the air filter is installed on the right side of the box body, the air inlet of the air filter is connected with the box body through the dust collecting pipe, and the air outlet of the air filter is provided with the air suction assembly on the upper side.
[0012] Further, the four peripheral sides of the moving plate are movably attached to the four inner walls of the box body.
[0013] Compared with the prior art, the coal mine fully mechanized mining face large gangue crushing device has the following beneficial effects:
[0014] 1. The coal mine fully mechanized mining face large gangue crushing device, by setting the first crushing mechanism, the gangue is crushed once, by the conical hopper and the second crushing mechanism, the gangue is crushed twice, has a two-stage crushing function, and the lifting mechanism drives the second crushing mechanism to move up and down in the conical hopper, so that the crushing degree can be adjusted according to the use requirement of the subsequent gangue fragments, and the crushed gangue is convenient to use.
[0015] 2. The coal mine fully mechanized mining face large gangue crushing device, by setting the dust removal mechanism, the dust removal function in the crushing process is increased, dust in the box body is prevented from floating during crushing, and the use is more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2 It is a sectional view of the box body of the utility model;
[0018] Fig. 3 It is a sectional view of the conical hopper of the utility model.
[0019] As shown in the figure: 1, box; 2, feeding hopper; 3, first crushing mechanism; 301, first crushing roller; 302, first motor; 4, conical hopper; 5, lifting mechanism; 501, manual linear module; 502, transmission rod; 503, hinged piece; 504, connecting rod; 6, moving plate; 7, second crushing mechanism; 701, second motor; 702, rotating shaft; 703, second crushing roller; 8, guide plate; 9, discharge port; 10, dust removal mechanism; 101, air filter; 102, dust collection pipe; 103, air suction assembly; 11, cross rod; 12, first through hole; 14, second through hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Please refer to Figs. 1-3 The utility model discloses a kind of coal mine fully mechanized face large gangue crushing device, including box 1, the upper surface of box 1 is equipped with feeding hopper 2, first crushing mechanism 3 is provided between the front and rear inner walls of corresponding box 1 of feeding hopper 2, conical hopper 4 is fixedly installed in the inner wall of box 1 close to middle position, lifting mechanism 5 is installed between the left and right side walls of box 1, moving plate 6 is installed on the upper surface of lifting mechanism 5, second crushing mechanism 7 is fixedly installed on moving plate 6, and second crushing mechanism 7 is inserted in conical hopper 4, the upper and lower side of conical hopper 4 is open structure, guide plate 8 is fixedly installed in the box 1 of lower side of conical hopper 4, and discharge port 9 is formed on the right side wall of corresponding box 1 of guide plate 8, dust removal mechanism 10 is installed on the right side upper position of box 1.
[0022] Specifically, the first crushing mechanism 3 includes a first crushing roller 301 and a first motor 302, the first crushing roller 301 is arranged on the left and right sides, and the first crushing roller 301 is installed between the front and rear inner walls of the box 1, the output shaft of the first crushing roller 301 is fixedly connected with the input shaft of the first motor 302, and the first motor 302 is fixedly installed on the front side of the box 1.
[0023] In this embodiment, the left and right first motor 302 output shaft drives the left and right first crushing roller 301 to rotate towards each other, so that the left and right first crushing roller 301 crushes the gangue.
[0024] Specifically, the lifting mechanism 5 comprises two manually linear modules 501, a transmission rod 502, a hinge 503 and a connecting rod 504, the two manually linear modules 501 are mirror images, the transmission rod 502 connects the lead screws of the manually linear modules 501, the front and rear sides of the sliding tables of the manually linear modules 501 are provided with the hinges 503, and the upper and lower hinges 503 are connected by the connecting rod 504.
[0025] In the embodiment, the handle of the left manually linear module 501 drives the rotation of the lead screw, the transmission rod 502 synchronizes the rotation of the lead screws of the left and right manually linear modules 501, the sliding tables of the left and right manually linear modules 501 drive the left and right movement of the lower hinges 503, and the lower hinges 503 drive the up and down movement of the moving plate 6 through the upper hinges 503 and the connecting rod 504.
[0026] Specifically, the second crushing mechanism 7 comprises a second motor 701, a rotating shaft 702 and a second crushing roller 703, the second motor 701 is installed on the lower surface of the moving plate 6, the rotating shaft 702 is fixedly installed on the upper surface of the output shaft of the second motor 701, and the second crushing roller 703 is fixedly installed on the rotating shaft 702 and installed in the conical hopper 4.
[0027] In the embodiment, the output shaft of the second motor 701 drives the rotation of the rotating shaft 702, the rotating shaft 702 drives the rotation of the second crushing roller 703, the second crushing roller 703 crushes the gangue in the conical hopper 4 again, the inclination angle of the second crushing roller 703 is the same as the inclination angle of the inner wall of the conical hopper 4, and the inner wall of the conical hopper 4 is also provided with a protruding portion, so as to facilitate the crushing of the gangue.
[0028] Specifically, the horizontal rod 11 is fixedly installed between the left and right inner walls of the conical hopper 4 corresponding to the upper surface of the rotating shaft 702, and the first through hole 12 for the rotating shaft 702 to pass through is formed in the horizontal rod 11.
[0029] In the embodiment, the first through hole 12 in the horizontal rod 11 is used for limiting and guiding the rotating shaft 702, so that the rotation of the second crushing roller 703 on the rotating shaft 702 is more stable, and the front and rear widths of the horizontal rod 11 are greater than the diameter of the rotating shaft 702 by 1 cm.
[0030] Specifically, the guide plate 8 is inclined by ten degrees, and the second through hole 14 corresponding to the rotating shaft 702 is formed in the guide plate 8.
[0031] In the embodiment, the second through hole 14 meets the needs of the rotating and up and down passing of the rotating shaft 702 on the guide plate 8.
[0032] Specifically, the dust removal mechanism 10 comprises an air filter 101, a dust collection pipe 102 and an air suction assembly 103. The air filter 101 is installed on the right side of the box body 1. The air inlet of the air filter 101 is connected with the box body 1 through the dust collection pipe 102. The air outlet of the air filter 101 is provided with the air suction assembly 103 on the upper side.
[0033] In the embodiment, the air suction assembly 103 sucks the air of the air filter 101, so that the air filter 101 sucks the air in the box body 1 through the dust collection pipe 102, thereby sucking the gas containing dust in the box body 1 into the air filter 101, and the air filter 101 filters the dust in the gas.
[0034] Specifically, the four side surfaces of the moving plate 6 are movably attached to the four inner walls of the box body 1.
[0035] In the embodiment, the four side surfaces of the moving plate 6 move up and down along the four inner walls of the box body 1, so that the moving plate 6 moves up and down more stably.
[0036] In use, the gangue is put into the hopper 2, and the gangue flows to the first crushing mechanism 3, and the first motor 302 output shaft drives the first crushing roller 301 to rotate, so that the first crushing roller 301 crushes the gangue, and the crushed gangue falls into the conical hopper 4, and the second motor 701 output shaft drives the rotating shaft 702 to rotate, so that the rotating shaft 702 drives the second crushing roller 703 to rotate, and the second crushing roller 703 further crushes the gangue in the conical hopper 4, and the crushed gangue falls on the guide plate 8 and is discharged through the discharge port 9, and in the crushing process, the air filter 101 is sucked by the dust removal mechanism 10, so that the air filter 101 sucks the air in the box 1 through the dust collection pipe 102, so that the dust in the box 1 is sucked into the air filter 101, and the dust in the gas is filtered by the air filter 101, so that the dust removal function in the crushing process is increased, and the dust in the box 1 is prevented from being scattered during crushing, and the use is more environmentally friendly, and in the further crushing process, the left manual linear module 501 handle drives the screw rod to rotate, the transmission rod 502 synchronously drives the left and right manual linear modules 501 screw rods to rotate, the left and right manual linear modules 501 sliding tables drive the left and right lower hinge pieces 503 to move, the lower hinge piece 503 drives the moving plate 6 to move up and down through the connecting rod 504, the moving plate 6 drives the second motor 701 to move up and down, and the second motor 701 drives the second crushing roller 703 to move up and down in the conical hopper 4 through the rotating shaft 702, so that the distance between the second crushing roller 703 and the inner wall of the conical hopper 4 is adjusted, that is, the crushing degree of the second crushing roller 703 and the conical hopper 4 is adjusted, and the crushing degree of the gangue can be adjusted according to the use requirement of the gangue, so that the crushed gangue is conveniently used.
[0037] In summary, the coal mine fully mechanized face gangue crushing device has a two-stage crushing function, and the crushing degree of the gangue can be adjusted according to the use requirement of the gangue, so that the crushed gangue is conveniently used, the dust removal function in the crushing process is increased, the dust is effectively prevented from being scattered, and the use is more environmentally friendly.
[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A large lump gangue crushing device for fully mechanized coal mining face, comprising a box body (1), characterized in that: The upper surface of the box (1) is provided with a feeding hopper (2), the feeding hopper (2) is provided with a first crushing mechanism (3) between the front and rear inner walls of the box (1), the inner wall of the box (1) is fixedly provided with a conical hopper (4) near the middle position, the left and right side walls of the box (1) are provided with a lifting mechanism (5), the lifting mechanism (5) is provided with a moving plate (6) on the upper surface, the moving plate (6) is fixedly provided with a second crushing mechanism (7), and the second crushing mechanism (7) is inserted into the conical hopper (4), the inner wall of the box (1) is fixedly provided with a guide plate (8) below the conical hopper (4), and the guide plate (8) is provided with a discharge port (9) on the right side wall of the box (1), and the right side surface of the box (1) is provided with a dust removal mechanism (10) on the upper side.
2. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The first crushing mechanism (3) comprises a first crushing roller (301) and a first motor (302), the first crushing roller (301) is provided with two on the left and right, and the first crushing roller (301) is installed between the front and rear inner walls of the box (1), the output shaft of the first crushing roller (301) is fixedly connected with the input shaft of the first motor (302), and the first motor (302) is fixedly installed on the front side of the box (1).
3. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The lifting mechanism (5) comprises a manual linear module (501), a transmission rod (502), a hinge (503) and a connecting rod (504), the manual linear module (501) is provided with two mirror images on the left and right, and the lead screws of the manual linear module (501) are connected through the transmission rod (502), the front and rear side surfaces of the sliding table of the manual linear module (501) are provided with the hinge (503) on the lower surface of the moving plate (6), and the upper and lower hinges (503) are connected through the connecting rod (504).
4. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The second crushing mechanism (7) comprises a second motor (701), a rotating shaft (702) and a second crushing roller (703), the second motor (701) is installed on the lower surface of the moving plate (6), the output shaft of the second motor (701) is fixedly provided with the rotating shaft (702) on the upper surface, the rotating shaft (702) is fixedly provided with the second crushing roller (703), and the second crushing roller (703) is installed in the conical hopper (4).
5. The large gangue crushing device for fully mechanized coal mining face according to claim 4, characterized in that: The upper surface of the rotating shaft (702) is fixedly provided with a horizontal rod (11) between the left and right inner walls of the conical hopper (4), and the horizontal rod (11) is provided with a first penetrating hole (12) for the rotating shaft (702) to pass through.
6. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The guide plate (8) is provided with a second penetrating hole (14) at a position corresponding to the rotating shaft (702).
7. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The dust removal mechanism (10) comprises an air filter (101), a dust collecting pipe (102) and an air suction assembly (103), the air filter (101) is installed on the right side of the box (1), the air inlet of the air filter (101) is connected with the box (1) through the dust collecting pipe (102), and the air outlet of the air filter (101) is provided with the air suction assembly (103) on the upper side.
8. The large gangue crushing device for fully mechanized coal mining face according to claim 1, characterized in that: The moving plate (6) is movably attached to the four inner walls of the box (1).