Ore elevator for mine and operation method

Abstract

The invention discloses a mine ore elevator and an operation method, and belongs to the technical field of elevators, the mine ore elevator comprises a bottom plate and two connecting frames, a connecting frame is arranged between the bottom plate and the connecting frames, the bottom of each connecting frame is fixedly connected with a discharging hopper, a feeding box is arranged above the bottom plate, and the feeding box is fixedly connected with the bottom of the bottom plate. A crushing assembly used for crushing ores is arranged in the feeding box, an angle adjusting assembly used for adjusting the inclination angle of the connecting frame is arranged on the outer surface of the bottom plate, a lifting assembly used for lifting the ores is arranged in the connecting frame, and a scraping assembly is arranged in the connecting frame. The angle adjusting assembly comprises a pushing air cylinder, a guide rail, a connecting plate, a supporting frame and a connecting buckle, the H-shaped connecting frame is driven by the pushing air cylinder to slide along the guide rail to be matched with deformation of the four-connecting-rod mechanism, angle adjustment of the connecting frame is achieved, different mining step heights can be matched, and the secondary transfer cost caused by angle fixing of traditional equipment is avoided; the overall production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hoists, and more particularly to an ore hoist for mines and an operating method thereof. Background Art

[0002] Mine hoists are the core transportation equipment connecting underground and surface mining operations, known as the "throat" of a mine. Using steel wire ropes, they propel hoisting containers along shafts or ramps, transporting ore, coal, gangue, personnel, materials, and equipment vertically or at an angle. They are the indispensable "lifeline" of mine production.

[0003] The prior art publication number is CN117361030A, which discloses an ore hoist, including a main carrier plate, a secondary carrier plate, a first brush plate, a second brush plate, a connecting rod, a carrier belt, an active roller and at least one driven roller. The carrier belt is wound around the outer circumference of the active roller and the driven roller. The main carrier plate is fixedly connected to the carrier belt, the secondary carrier plate is sleeved in the main carrier plate, the first brush plate is frictionally matched with the outer surface of the main carrier plate, and the first brush plate is also fixedly connected to the secondary carrier plate, the second brush plate is frictionally matched with the surface of the carrier belt, one end of the connecting rod is hinged to the first brush plate, and the other end of the connecting rod is hinged to the second brush plate. By adopting the technical solution of this invention, when the ore elevator is running, the auxiliary carrier plate frequently extends out of the main carrier plate or retracts into the main carrier plate, and at the same time drives the first brush plate to slide along the outer surface of the main carrier plate, and the second brush plate to slide along the outer surface of the carrier belt, cleaning or sweeping the slag attached to the outer surface of the main carrier plate and the outer surface of the carrier belt, shortening the downtime of the ore elevator and improving the transportation efficiency of the ore elevator.

[0004] Although the device has many beneficial effects, the following problems still exist: although the ore hoist can clean or sweep the slag attached to the outer surface of the main carrier plate and the outer surface of the carrier belt, shortening the downtime of the ore hoist and improving the transportation efficiency of the ore hoist, it cannot be adjusted according to the required lifting height during use. When switching between shallow well and deep well operation scenes, the fixed height hoist cannot adapt quickly and may require a longer cycle time or more intermediate pauses, resulting in a significant extension of the single cycle time and a decrease in overall production efficiency. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides an ore hoist for mining and an operating method thereof, which solve the above-mentioned problems.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a ore hoist for mines and an operation method, including a bottom plate and two connecting frames. There is a connecting frame between the bottom plate and the connecting frames. A discharge hopper is fixedly connected to the bottom of the connecting frames. Above the bottom plate, there is a feed box. Inside the feed box, there is a crushing component for crushing ores. On the outer surface of the bottom plate, there is an angle adjustment component for adjusting the inclination angle of the connecting frames. Inside the connecting frames, there is a lifting component for lifting ores. Inside the connecting frames, there is a scraping component. The angle adjustment component includes a pushing cylinder, guide rails, a connecting plate, a support frame, and connecting buckles. Two support frames are fixedly connected to the bottom of the connecting frames. The two support frames are arranged in a "U" shape. On the outer surfaces of both sides of the two support frames, connecting buckles are rotatably connected. The outer surfaces of the four connecting buckles are fixedly connected to the outer surface of the connecting frame. Two guide rails are fixedly connected to the top of the bottom plate. The connecting frame is slidably connected to the two guide rails. The connecting frame is arranged in an "H" shape. A connecting plate is fixedly connected to the outer surface of the connecting frame. A pushing cylinder is fixedly installed on the top of the bottom plate. The output end of the pushing cylinder is fixedly connected to the connecting plate. Preferably, two clamping plates are fixedly connected to the outer surfaces of the two support frames. Inside the two clamping plates, connecting shafts are fixedly connected. On the outer surfaces of the two connecting shafts, support rollers are fixedly connected. Preferably, the lifting component includes a first motor, a conveyor belt, partitions, and conveyor rollers. A plurality of conveyor rollers are rotatably connected between the inner walls on both sides of the connecting frames. The outer surfaces of the plurality of conveyor rollers are sleeved with a conveyor belt. A plurality of equally spaced partitions are fixedly connected to the outer surface of the conveyor belt. A first motor is fixedly installed on the outer surface of the connecting frames. The output end of the first motor is fixedly connected to the end of the adjacent conveyor roller. Preferably, two baffles are fixedly connected to the top of the connecting frames. On the outer surfaces of the two baffles facing away from each other, a plurality of rollers are rotatably connected. The plurality of rollers are located above the conveyor belt and are movably connected to the outer surface of the conveyor belt. Preferably, the crushing component includes support blocks, crushing blocks, and crushing shafts. Two support blocks are fixedly connected to the top of the bottom plate. The outer surfaces of the two support blocks close to each other are fixedly connected to the feed box. Two crushing shafts are rotatably connected between the inner walls on both sides of the feed box. On the outer surfaces of the two crushing shafts, a plurality of equally spaced crushing blocks are fixedly connected. The top and bottom of the feed box are both open. Preferably, two gears are rotatably connected to the outer surface of the feed box, the two gears are meshed and connected, the two gears are fixedly connected to the corresponding crushing shafts, a protective box is fixedly connected to the outer surface of the feed box, the two gears are located inside the protective box, and a second motor is fixedly installed on the outer surface of the protective box. The output end of the second motor is fixedly connected to the adjacent gear.

[0007] Preferably, the scraping component includes a mounting frame, a telescopic spring, a rotating shaft, and a mounting plate. The mounting frame is fixedly connected to the outer surfaces of the two baffles close to each other. A plurality of equally spaced telescopic springs are fixedly connected to the outer surface of the mounting frame. The rotating shaft is rotatably connected to the inside of the mounting frame. The mounting plate is fixedly sleeved on the outer surface of the rotating shaft, and the mounting plate is fixedly connected to the plurality of telescopic springs.

[0008] Preferably, a plugging groove is formed on the outer surface of the mounting plate, a scraping plate is plugged into the plugging groove, and the scraping plate is in movable contact with the conveyor belt.

[0009] Preferably, the connecting frame is composed of a first connecting plate and a second connecting plate. The first connecting plate is fixedly connected to the bottom plate, and the first connecting plate is rotatably connected to the second connecting plate.

[0010] An operation method of an ore hoist for a mine includes the following steps: S1. Ore is put into the top opening of the feed box. The second motor is started to drive the meshed gears to rotate in the reverse direction. The two crushing shafts drive the crushing blocks to rotate towards each other. The ore is squeezed and crushed by the misaligned crushing blocks. The crushed ore falls to the starting end of the conveyor belt through the bottom opening of the feed box. S2. The first motor drives the conveyor roller to rotate, driving the conveyor belt with partitions to operate. The baffle and the roller form a guiding structure to prevent the ore from slipping sideways during the lifting process. The partitions are spaced to form a material carrying cavity, and the crushed ore is conveyed upward in segments. S3. The pushing cylinder pushes the H-shaped connecting frame to slide along the guide rail through the connecting plate. The connecting buckle cooperates with the "U" - shaped structure of the support frame to realize the angle adjustment of the connecting frame around the rotation axis of the first connecting plate. The support roller forms multi-point support through the clamping plate and the connecting shaft to ensure the structural stability in the inclined state. S4. When the conveyor belt returns, the scraping plate contacts the surface of the conveyor belt. The telescopic spring provides elastic pressure through the mounting plate to adapt to the unevenness of the conveyor belt surface. The rotating shaft allows the scraping plate to adaptively adjust the angle along the movement direction of the conveyor belt. The residual ore is scraped off and collected twice through the discharge hopper. S5. The protective box encloses the gear transmission components to prevent foreign objects from entering. The roller is in flexible contact with the conveyor belt to avoid hard friction damage. The "U" - shaped structure of the support frame provides torsional stiffness to ensure the stability under the condition of a large inclination angle.

[0011] Compared with the prior art, the present invention provides a mine ore hoist and an operating method, which have the following beneficial effects: 1. This mining ore hoist and operating method drives the H-shaped connecting frame to slide along the guide rail by pushing the cylinder, and cooperates with the deformation of the four-bar linkage to adjust the angle of the connecting frame. It can match different mining step heights, avoid the secondary transportation costs caused by the fixed angle of traditional equipment, and improve overall production efficiency.

[0012] 2. This mining ore elevator and operating method, through the counter-rotating design of the dual crushing shafts and the staggered distribution of crushing blocks, can crush large pieces of ore, significantly reduce the load fluctuation of the elevator, and improve the operating stability of the conveyor belt. The integrated design of the crushing components and the feed box reduces the material transfer links and reduces the overall energy consumption.

[0013] 3. This kind of ore hoist and operating method for mining adopts an elastic pressing mechanism through the scraping component, and the telescopic spring provides constant pressure to ensure that the scraper is in continuous contact with the conveyor belt surface, thereby improving the material cleaning efficiency and reducing the frequency of shutdown and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a side view of the structure of the present invention; Figure 3 For the present invention Figure 2 A magnified view of the structure at center A; Figure 4 This is a schematic structural diagram of the scraping assembly of the present invention; Figure 5 It is a side view of the structure of the present invention; Figure 6 For the present invention Figure 5 A magnified view of the structure at point B in the middle; Figure 7 This is a schematic diagram of the structure of the crushing component of the present invention; Figure 8 Schematic diagram of the gear structure of the present invention.

[0015] In the figure: 1. Bottom plate; 2. Connection frame; 201. First connection plate; 202. Second connection plate; 3. Discharge hopper; 4. Feed box; 5. Lifting component; 501. First motor; 502. Conveyor belt; 503. Partition board; 504. Baffle; 505. Roller; 506. Conveyor roller; 6. Angle adjustment component; 601. Push cylinder; 602. Guide rail; 603. Connection plate; 604. Support roller; 605. Clamping plate; 606. Connection shaft; 607. Support frame; 608. Connection buckle; 7. Crushing component; 701. Support block; 702. Protection box; 703. Second motor; 704. Gear; 705. Crushing block; 706. Crushing shaft; 8. Scraping component; 801. Mounting frame; 802. Telescopic spring; 803. Rotating shaft; 804. Mounting plate; 805. Scraper; 9. Connection frame. Detailed implementation manners

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0017] Please refer to Figures 1-8 , the present invention provides a technical solution: A mine ore hoist and operation method, including a bottom plate 1 and two connection frames 2. There is a connection frame 9 between the bottom plate 1 and the connection frame 2. A discharge hopper 3 is fixedly connected to the bottom of the connection frame 2. A feed box 4 is arranged above the bottom plate 1. Inside the feed box 4, there is a crushing component 7 for crushing ore. On the outer surface of the bottom plate 1, there is an angle adjustment component 6 for adjusting the inclination angle of the connection frame 2. Inside the connection frame 2, there is a lifting component 5 for lifting ore. Inside the connection frame 2, there is a scraping component 8. The angle adjustment component 6 includes a push cylinder 601, a guide rail 602, a connection plate 603, a support frame 607 and a connection buckle 608. Two support frames 607 are fixedly connected to the bottom of the connection frame 2. The two support frames 607 are arranged in a "U" shape. On the outer surfaces of both sides of the two support frames 607, connection buckles 608 are rotatably connected. The four connection buckles 608 and the outer surface of the connection frame 9 are fixedly connected. Two guide rails 602 are fixedly connected to the top of the bottom plate 1. The connection frame 9 is slidably connected to the two guide rails 602. The connection frame 9 is arranged in an H shape. A connection plate 603 is fixedly connected to the outer surface of the connection frame 9. A push cylinder 601 is fixedly installed on the top of the bottom plate 1. The output end of the push cylinder 601 is fixedly connected to the connection plate 603. Furthermore, the outer surfaces of the two support frames 607 are fixedly connected to two clamping plates 605 , the interiors of the two clamping plates 605 are fixedly connected to connecting shafts 606 , and the outer surfaces of the two connecting shafts 606 are fixedly connected to supporting rollers 604 . Example 1: When the piston rod of the cylinder 601 is pushed to extend or retract, the H-shaped connecting frame 9 is driven to slide along the guide rail 602 through the connecting plate 603, and the connecting buckle 608 and the support frame 607 form a four-bar mechanism. When the connecting frame 9 is displaced, the support frame 607 rotates around the connecting axis, driving the connecting frame to deflect the angle with the hinge between the first connecting plate 201 and the second connecting plate 202 as the fulcrum. The clamping plate 605 and the support roller 604 form a multi-point support structure. Under the maximum inclination angle working condition, the support roller 604 ensures the structural stability.

[0018] Furthermore, the lifting assembly 5 includes a first motor 501, a conveyor belt 502, a partition 503 and a conveyor roller 506. A plurality of conveyor rollers 506 are rotatably connected between the inner walls on both sides of the connecting frame 2. The outer surfaces of the plurality of conveyor rollers 506 are sleeved with the conveyor belt 502. The outer surface of the conveyor belt 502 is fixedly connected with a plurality of equally spaced partitions 503. The outer surface of the connecting frame 2 is fixedly installed with the first motor 501, and the output end of the first motor 501 is fixedly connected to the adjacent end of the conveyor roller 506. Furthermore, two baffles 504 are fixedly connected to the top of the connecting frame 2, and the outer surfaces of the two baffles 504 that are separated from each other are rotatably connected to multiple rollers 505. The multiple rollers 505 are located above the conveyor belt 502 and are movably connected to the outer surface of the conveyor belt 502. Example 2: The first motor 501 drives the head end conveyor roller 506 through the planetary gear reducer, driving the circular conveyor belt 502 to circulate. The partition 503 is made of high-density polyethylene to form an independent silo structure. The roller 505 on the baffle 504 contacts the edge of the conveyor belt 502, and the lateral displacement of the conveyor belt is limited by rolling friction, and the offset is controlled within a certain range.

[0019] Furthermore, the crushing assembly 7 includes a support block 701, a crushing block 705 and a crushing shaft 706. Two support blocks 701 are fixedly connected to the top of the base plate 1. The adjacent outer surfaces of the two support blocks 701 are fixedly connected to the feed box 4. Two crushing shafts 706 are rotatably connected between the inner walls on both sides of the feed box 4. The outer surfaces of the two crushing shafts 706 are fixedly connected with multiple equidistantly distributed crushing blocks 705. The top and bottom of the feed box 4 are both open. Furthermore, the outer surface of the feed box 4 is rotatably connected to two gears 704, the two gears 704 are meshed and connected, the two gears 704 are fixedly connected to the corresponding crushing shaft 706, the outer surface of the feed box 4 is fixedly connected to the protective box 702, the two gears 704 are located inside the protective box 702, and the outer surface of the protective box 702 is fixedly installed with a second motor 703, and the output end of the second motor 703 is fixedly connected to the adjacent gear 704.

[0020] Example 3: The second motor 703 drives the meshing gear 704 group through the reducer, causing the two crushing shafts 706 to rotate in opposite directions. The crushing blocks 705 distributed on the crushing shafts 706 form a shear-extrusion composite crushing force field. After the large pieces of ore are put into the feed box 4 through the top opening, they are cut and crushed to a uniform particle size by the crushing blocks. The protective box 7023 completely wraps the gear 704 transmission system to prevent the intrusion of ore debris and reduce operating noise.

[0021] Furthermore, the scraping assembly 8 includes a mounting frame 801, a telescopic spring 802, a rotating shaft 803, and a mounting plate 804. The outer surfaces of the two baffles 504 that are close to each other are fixedly connected to the mounting frame 801, the outer surface of the mounting frame 801 is fixedly connected to a plurality of equally distributed telescopic springs 802, the internal rotation of the mounting frame 801 is connected to the rotating shaft 803, the outer surface of the rotating shaft 803 is fixedly sleeved with a mounting plate 804, and the mounting plate 804 is fixedly connected to the plurality of telescopic springs 802.

[0022] Furthermore, an inserting groove is provided on the outer surface of the mounting plate 804 , and a scraper 805 is inserted into the inserting groove, and the scraper 805 is in active contact with the conveyor belt 502 .

[0023] Example 4: The telescopic spring 802 on the mounting frame 801 provides elastic pressure to push the mounting plate 804 to rotate around the rotating shaft 803, so that the scraper 805 always fits the surface of the conveyor belt 502 with a certain pressure. The scraper 805 is made of polyurethane material, which can peel off the attached ore and avoid the accumulation of residual materials.

[0024] Furthermore, the connecting frame 2 is composed of a first connecting plate 201 and a second connecting plate 202 . The first connecting plate 201 is fixedly connected to the bottom plate 1 , and the first connecting plate 201 is rotatably connected to the second connecting plate 202 .

[0025] A method for operating a mine ore hoist comprises the following steps: S1. The ore is put into the top opening of the feeding box 4. The second motor 703 is started to drive the meshing gear 704 to rotate reversely. The two crushing shafts 706 drive the crushing blocks 705 to rotate towards each other, and the ore is squeezed and crushed by the crushing blocks arranged in a staggered manner. The crushed ore falls to the starting end of the conveyor belt 502 through the bottom opening of the feeding box. S2. The first motor 501 drives the conveyor roller 506 to rotate, driving the conveyor belt 502 with partitions 503 to operate. The baffle 504 and the roller 505 form a guiding structure to prevent the ore from slipping sideways during the lifting process. The partitions 503 form material bearing cavities at intervals, and the crushed ore is conveyed upward in segments. S3. The pushing cylinder 601 pushes the H-shaped connecting frame 9 to slide along the guide rail 602 through the connecting plate 603. The connecting buckle 608 cooperates with the "U" - shaped structure of the support frame 607 to realize the angle adjustment of the connecting frame 2 around the rotation axis of the first connecting plate 201. The support rollers 604 form multi - point support through the clamping plate 605 and the connecting shaft 606 to ensure the structural stability in the inclined state. S4. When the conveyor belt 502 returns, the scraper 805 contacts the surface of the conveyor belt. The telescopic spring 802 provides elastic pressure through the mounting plate 804 to adapt to the unevenness of the conveyor belt surface. The rotating shaft 803 allows the scraper to adaptively adjust the angle along the movement direction of the conveyor belt. The residual ore is scraped off and collected again through the discharge hopper 3. S5. The protective box 702 encloses the gear transmission components to prevent foreign objects from entering. The roller 505 is in flexible contact with the conveyor belt 502 to avoid hard friction damage. The "U" - shaped structure of the support frame 607 provides torsional stiffness to ensure the stability under the condition of large inclination angle.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above - mentioned embodiments. The above - mentioned embodiments and the descriptions in the specification are only preferred examples of the present invention and do not limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A mine ore hoist, comprising a base plate (1) and two connecting frames (2), characterized in that: A connecting frame (9) is provided between the bottom plate (1) and the connecting frame (2). A discharge hopper (3) is fixedly connected to the bottom of the connecting frame (2). Above the bottom plate (1), there is a feed box (4). Inside the feed box (4), there is a crushing component (7) for crushing ores. On the outer surface of the bottom plate (1), there is an angle adjustment component (6) for adjusting the inclination angle of the connecting frame (2). Inside the connecting frame (2), there is a lifting component (5) for lifting ores. Inside the connecting frame (2), there is a scraping component (8). The angle adjustment component (6) includes a pushing cylinder (601), guide rails (602), a connecting plate (603), a support frame (607), and a connecting buckle (608). Two support frames (607) are fixedly connected to the bottom of the connecting frame (2). The two support frames (607) are arranged in a "U" shape. On the outer surfaces of both sides of the two support frames (607), connecting buckles (608) are rotatably connected. The outer surfaces of the four connecting buckles (608) and the connecting frame (9) are fixedly connected. Two guide rails (602) are fixedly connected to the top of the bottom plate (1). The connecting frame (9) is slidably connected to the two guide rails (602). The connecting frame (9) is arranged in an "H" shape. A connecting plate (603) is fixedly connected to the outer surface of the connecting frame (9). A pushing cylinder (601) is fixedly installed on the top of the bottom plate (1). The output end of the pushing cylinder (601) is fixedly connected to the connecting plate (603).

2. The mine ore hoist according to claim 1, characterized in that: Two clamping plates (605) are fixedly connected to the outer surfaces of the two support frames (607). A connecting shaft (606) is fixedly connected to the inside of each of the two clamping plates (605). A support roller (604) is fixedly connected to the outer surface of each of the two connecting shafts (606).

3. The mine ore hoist according to claim 2, characterized in that: The lifting component (5) includes a first motor (501), a conveyor belt (502), partitions (503), and conveyor rollers (506). A plurality of conveyor rollers (506) are rotatably connected between the inner walls on both sides of the connecting frame (2). The outer surface of the plurality of conveyor rollers (506) is sleeved with a conveyor belt (502). A plurality of equally spaced partitions (503) are fixedly connected to the outer surface of the conveyor belt (502). A first motor (501) is fixedly installed on the outer surface of the connecting frame (2). The output end of the first motor (501) is fixedly connected to the end of the adjacent conveyor roller (506).

4. The mine ore hoist according to claim 3, characterized in that: Two baffles (504) are fixedly connected to the top of the connecting frame (2). A plurality of rollers (505) are rotatably connected to the outer surfaces of the two baffles (504) facing away from each other. The plurality of rollers (505) are located above the conveyor belt (502) and are movably connected to the outer surface of the conveyor belt (502).

5. The mine ore hoist according to claim 4, characterized in that: The crushing assembly (7) includes a support block (701), a crushing block (705) and a crushing shaft (706), the top of the bottom plate (1) is fixedly connected to two support blocks (701), the adjacent outer surfaces of the two support blocks (701) are fixedly connected to the feed box (4), and the two crushing shafts (706) are rotatably connected between the inner walls of both sides of the feed box (4), and the outer surfaces of the two crushing shafts (706) are fixedly connected to a plurality of equally spaced crushing blocks (705), and the top and bottom of the feed box (4) are both open.

6. The mine ore hoist according to claim 5, characterized in that: The outer surface of the feed box (4) is rotatably connected to two gears (704), the two gears (704) are meshed and connected, and the two gears (704) are fixedly connected to the corresponding crushing shaft (706). The outer surface of the feed box (4) is fixedly connected to a protective box (702), and the two gears (704) are located inside the protective box (702). A second motor (703) is fixedly installed on the outer surface of the protective box (702), and the output end of the second motor (703) is fixedly connected to a nearby gear (704).

7. The mine ore hoist according to claim 6, characterized in that: The scraping assembly (8) comprises a mounting frame (801), a telescopic spring (802), a rotating shaft (803), and a mounting plate (804); the outer surfaces of the two baffles (504) adjacent to each other are fixedly connected to the mounting frame (801); the outer surface of the mounting frame (801) is fixedly connected to a plurality of equidistantly distributed telescopic springs (802); the interior of the mounting frame (801) is rotatably connected to the rotating shaft (803); the outer surface of the rotating shaft (803) is fixedly sleeved with the mounting plate (804); and the mounting plate (804) is fixedly connected to the plurality of telescopic springs (802).

8. The mine ore hoist according to claim 7, characterized in that: The outer surface of the mounting plate (804) is provided with a plug-in slot, a scraper (805) is plugged into the interior of the plug-in slot, and the scraper (805) is in active contact with the conveyor belt (502).

9. The mine ore hoist according to claim 8, characterized in that: The connecting frame (2) is composed of a first connecting plate (201) and a second connecting plate (202), wherein the first connecting plate (201) is fixedly connected to the bottom plate (1), and the first connecting plate (201) is rotatably connected to the second connecting plate (202).

10. The method for operating a mine ore hoist according to claim 5, applied to the mine ore hoist according to claim 9, characterized in that: The following steps are involved: S1. Ore is fed into the feed box (4) through the top opening, and the second motor (703) is started to drive the meshing gear (704) to rotate in the opposite direction. The two crushing shafts (706) drive the crushing blocks (705) to rotate in opposite directions. The ore is squeezed and crushed by the staggered crushing blocks. The crushed ore falls through the bottom opening of the feed box to the starting end of the conveyor belt (502); S2. The first motor (501) drives the conveyor roller (506) to rotate, driving the conveyor belt (502) with the partition (503) to operate. The baffle (504) and the roller (505) form a guide structure to prevent the ore from sliding sideways during the lifting process. The partition (503) forms a material bearing cavity to transport the crushed ore upward in sections. S3. The driving cylinder (601) pushes the H-shaped connecting frame (9) to slide along the guide rail (602) through the connecting plate (603). The connecting buckle (608) cooperates with the "U" - shaped structure of the support frame (607) to achieve the angle adjustment of the connecting frame (2) around the rotation axis of the first connecting plate (201). The support rollers (604) form multi-point support through the clamping plate (605) and the connecting shaft (606) to ensure the structural stability in the inclined state; S4. When the conveyor belt (502) returns, the scraper (805) contacts the surface of the conveyor belt. The telescopic spring (802) provides elastic pressure through the mounting plate (804) to adapt to the unevenness of the conveyor belt surface. The rotating shaft (803) allows the scraper to adaptively adjust the angle along the movement direction of the conveyor belt. The residual ore is scraped off and collected again through the discharge hopper (3); S5. The protective box (702) encloses the gear transmission components to prevent foreign objects from entering. The rollers (505) are in flexible contact with the conveyor belt (502) to avoid hard friction damage. The "U" - shaped structure of the support frame (607) provides torsional stiffness to ensure the stability under the condition of large inclination angle.

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