Conveying device capable of realizing uniform distribution of crushed ore

Abstract

The invention discloses a conveying device capable of realizing uniform distribution of crushed ore, and belongs to the technical field of ore screening and conveying, the heights of fixed feeding frames are sequentially increased from the inner side to the outer side, a plurality of groups of lifting feeding frames are movably arranged between the adjacent fixed feeding frames, and a screen is mounted at the top of the fixed feeding frame on the innermost side; a material returning groove is formed in the outer wall of the fixed feeding frame on the outermost side; a supporting frame is arranged on the outer wall of the fixed feeding frame, and a smashing bin located above the screen is installed on the supporting frame. Mounting frames located below the screen are further arranged at the bottom of the fixed feeding frame, and a conveying belt is arranged between the mounting frames. A plurality of sets of rake teeth facing downwards are installed on the transverse frame, and a tiling plate is movably installed on the side face of the transverse frame. Uniform discharging can be achieved through the discharging nozzle, after ores fall into the conveying belt, the multiple sets of rake teeth can rake the ores to be loose, the ores are prevented from being stacked together, then the ores are flattened through the adjustable tiling plate, the ores are evenly distributed on the conveying belt, and the practicability is improved through the design.

Description

Technical Field

[0001] The present invention relates to the technical field of ore screening and conveying, and specifically to a conveying device for realizing uniform distribution of crushed ore. Background Art

[0002] When mining a mine, the conveying of ore is essential. Ore refers to the valuable mineral stones mined in the mine. After the mined ore is processed through multiple processes, it can be applied to various engineering fields. An ore conveying device is a device used to convey ore from locations such as mines, ore pits, or ore yards to ore processing equipment or ore storage areas. They are usually used in places such as mines, mining sites, and ore processing plants to efficiently and safely convey a large amount of ore to the required places.

[0003] Chinese patent application with publication number CN118387568A discloses a belt conveyor for coal mines, including a conveying device and a silo, and further including: a separation bin, which is fixedly installed below the interior of the silo; a fixed column, which is rotatably installed above the interior of the separation bin, and two groups are symmetrically arranged at the lower opening of the feed inlet; a plurality of paddle pieces, which are arranged in multiple groups and are fixedly installed on the outer surface of the fixed column at equal angles. A slide plate is slidably connected to the upper side of the paddle piece, and two front and rear cavities are arranged inside the paddle piece, and a boosting mechanism is arranged inside the cavity; a buffer mechanism, and two groups of buffer mechanisms are arranged. In this application, the separation of gangue and coal blocks in coal mines can be realized, reducing the situation of belt tearing of the conveying device caused by gangue in coal mines. At the same time, it can also reduce the impact force when coal blocks fall on the belt surface, thereby increasing the service life of the belt of the conveying device.

[0004] However, the screening effect of the above-mentioned disclosed mine conveying device is general. It cannot automatically perform multiple sorts on ore according to actual needs, re-crush and screen the ore that does not meet the requirements, and the ore distribution on the conveyor belt is uneven, and there is a lack of a flattening structure. Summary of the Invention

[0005] The purpose of the present invention is to provide a conveying device for realizing uniform distribution of crushed ore in order to solve the problems that the screening effect of the existing mine conveying device is general, it cannot automatically perform multiple sorts on ore according to actual needs, re-crush and screen the ore that does not meet the requirements, the ore distribution on the conveyor belt is uneven, and there is a lack of a flattening structure.

[0006] To achieve the above object, the technical solution of the present invention is: a conveying device for realizing uniform distribution of crushed ore, including multiple groups of rectangular fixed feeding frames, the height of the fixed feeding frames increasing successively from the inside to the outside; multiple groups of lifting feeding frames are movably arranged between adjacent fixed feeding frames, a screen is installed on the top of the innermost fixed feeding frame, and a return chute is arranged on the outer wall of the outermost fixed feeding frame. When the lifting feeding frame intermittently lifts, larger ores that do not meet the screen fall into the return chute; a support frame is arranged on the outer wall of the fixed feeding frame, and a crushing bin located above the screen is installed on the support frame; a lifting cavity is opened on the outer wall of the fixed feeding frame, a collecting hopper is movably installed in the lifting cavity, the ores in the return chute are stored in the collecting hopper and finally thrown back into the crushing bin; a mounting frame located below the screen is further arranged at the bottom of the fixed feeding frame, and a conveyor belt is arranged between the mounting frames; a cross frame is fixedly arranged above the mounting frames, multiple groups of rake teeth facing downward are installed on the cross frame, and a paving plate is movably installed on the side of the cross frame.

[0007] As a further scheme of the present invention: a fixed downward-sloping surface facing the outside is arranged on the top of the fixed feeding frame, and a lifting downward-sloping surface facing the outside is arranged on the top of the lifting feeding frame.

[0008] As a further scheme of the present invention: support legs are arranged at the bottom of the fixed feeding frame, a connecting frame is fixedly arranged between the bottoms of the lifting feeding frames, and a lifting cylinder is further arranged between the support legs, and the output end of the lifting cylinder is fixedly connected to the connecting frame.

[0009] As a further scheme of the present invention: symmetric crushing rollers are movably installed in the crushing bin, a feeding port is opened at the top of the crushing bin, a guiding cover is further arranged at the top of the feeding port, and a discharging port is opened at the bottom of the crushing bin.

[0010] As a further scheme of the present invention: a conical feeding bin located below the screen is further installed on the inner wall of the innermost fixed feeding frame, and a feeding nozzle located above the conveyor belt is opened at the bottom of the feeding bin.

[0011] As a further scheme of the present invention: a notch matching the collecting hopper is opened on the return chute, a frustum portion is arranged at the top of the lifting downward-sloping surface of the outermost lifting feeding frame, the frustum portion is located on the side close to the notch, and a control panel is further arranged on the outer wall of the fixed feeding frame.

[0012] As a further solution of the present invention: symmetric lifting motors are further installed at the bottom of the fixed loading rack, and threaded rods located in the lifting cavity are arranged at the output ends of the lifting motors; a lifting rack is movably arranged in the lifting cavity, a swing arm inclined outward is arranged at the top of the lifting rack, a swing seat is arranged inside the collecting hopper, and the collecting hopper is movably arranged on the swing arm through the swing seat; the lifting rack is threadedly installed on the threaded rod.

[0013] As a further solution of the present invention: an inclined mounting plate is arranged on the outer wall of the lifting rack, a blanking cylinder is installed on the mounting plate, and the output end of the blanking cylinder abuts against the collecting hopper; suspensions are fixedly arranged on both sides of the lifting rack, and a baffle for blocking the return material chute is arranged outside the suspensions.

[0014] As a further solution of the present invention: a cleaning roller is further installed between the mounting frames, the cleaning roller is located below the conveyor belt and abuts against it, and a material taking port is further opened on the outer wall of the mounting frame.

[0015] As a further solution of the present invention: an inclined sliding seat is fixedly arranged on the outer wall of the cross frame, symmetric sliding grooves are opened at the top of the sliding seat, sliding blocks matched with the sliding grooves are arranged at the bottom of the paving plate, and multiple groups of positioning bolts are threadedly installed on the outer wall of the paving plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can fully crush the original ore through the crushing bin, and the crushed ore falls onto the sieve net below. Since the middle of the sieve net is slightly higher than the edge part, the ore with a diameter smaller than the pores on the sieve net falls into the blanking bin at the bottom, and the larger ore falls onto the innermost lifting blanking inclined surface and the fixed blanking inclined surface. When the lifting loading rack intermittently lifts, the ore is lifted upward in sequence and falls into the return material chute. Since the return material chute is inclined, the ore falls into the collecting hopper along the notch. When it needs to be crushed again, the lifting motor drives the lifting rack upward. At this time, the baffle plates on both sides block the notch to prevent the ore from continuing to fall, and the blanking cylinder is started to re-inject the ore into the guiding cover. This design improves the stability and working efficiency of the conveying device for realizing uniform distribution of crushed ore.

[0017] 2. The present invention can achieve uniform blanking through the blanking nozzle. When the ore falls onto the conveyor belt, multiple groups of rake teeth will loosen the ore and prevent it from piling up. Then, the adjustable paving plate flattens the ore and makes it evenly distributed on the conveyor belt. This design improves the practicability of the conveying device for realizing uniform distribution of crushed ore. Description of the Drawings

[0018] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments: Figure 1 is a three-dimensional structure diagram of the present invention; Figure 2 is a three-dimensional structure diagram of the fixed loading rack and the lifting loading rack in the present invention; Figure 3 is a cross-sectional view of the present invention; Figure 4 is a three-dimensional structure diagram of the crushing bin in the present invention; Figure 5 is a three-dimensional structure diagram of the lifting loading rack in the present invention; Figure 6 is a three-dimensional structure diagram of the collecting hopper in the present invention; Figure 7 is a cross-sectional view of the mounting rack in the present invention; Figure 8 is a three-dimensional structure diagram of the paving plate in the present invention.

[0019] Explanation of reference numerals in the drawings: 1. Fixed loading rack; 2. Lifting loading rack; 3. Fixed discharging inclined plane; 4. Lifting discharging inclined plane; 5. Support leg; 6. Connecting frame; 7. Lifting cylinder; 8. Support frame; 9. Crushing bin; 10. Crushing roller; 11. Feeding port; 12. Discharging port; 13. Screen; 14. Discharging bin; 15. Discharging nozzle; 16. Control panel; 17. Guide hood; 18. Returning material trough; 19. Notch; 20. Frustum part; 21. Lifting cavity; 22. Lifting motor; 23. Threaded rod; 24. Lifting frame; 25. Swing arm; 26. Collecting hopper; 27. Swing seat; 28. Mounting plate; 29. Discharging cylinder; 30. Suspension; 31. Baffle; 32. Mounting rack; 33. Conveyor belt; 34. Material taking port; 35. Cleaning roller; 36. Cross frame; 37. Rake teeth; 38. Slide block; 39. Sliding groove; 40. Paving plate; 41. Slide block; 42. Positioning bolt. Specific embodiments

[0020] The technical solutions of the present invention will be clearly and completely described below in conjunction with the attached Figures 1 to 8 drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0021] The present invention provides an improved conveying device for realizing uniform distribution of crushed ore herein, such as Figures 1 - 8As shown in the figure, it includes multiple groups of rectangular fixed loading racks 1, and the height of the fixed loading racks 1 increases successively from the inside to the outside; multiple groups of lifting loading racks 2 are movably arranged between adjacent fixed loading racks 1. A screen 13 is installed on the top of the innermost fixed loading rack 1, and a return chute 18 is arranged on the outer wall of the outermost fixed loading rack 1. When the lifting loading rack 2 intermittently lifts, the larger ores that do not meet the screen 13 fall into the return chute 18; a support frame 8 is arranged on the outer wall of the fixed loading rack 1, and a crushing bin 9 located above the screen 13 is installed on the support frame 8; a lifting cavity 21 is opened on the outer wall of the fixed loading rack 1, and a collecting hopper 26 is movably installed in the lifting cavity 21. The ores in the return chute 18 are stored in the collecting hopper 26 and finally thrown back into the crushing bin 9; a mounting frame 32 located below the screen 13 is also arranged at the bottom of the fixed loading rack 1, and a conveyor belt 33 is arranged between the mounting frames 32; a cross frame 36 is fixedly arranged above the mounting frame 32, and multiple groups of rake teeth 37 facing downward are installed on the cross frame 36, and a flattening plate 40 is movably installed on the side of the cross frame 36.

[0022] In this embodiment: The conveying device for realizing uniform distribution of crushed ore is mainly divided into three parts: the crushing bin 9, the collecting hopper 26, and the conveyor belt 33 structure. When the device is in use, first, the original ore is added into the crushing bin 9. The crushed ore falls onto the lower screen 13. Since the middle part of the screen 13 is slightly higher than the edge part, the ores with a diameter smaller than the pores of the screen 13 fall into the lower bin 14 at the bottom and fall onto the conveyor belt 33 through the discharge nozzle 15. When the crushed ore falls onto the conveyor belt 33, multiple groups of rake teeth 37 will loosen the ore and prevent it from piling up together, and then the adjustable flattening plate 40 flattens the ore and makes it evenly distributed on the conveyor belt 33. The larger ores fall along the screen 13 and the innermost fixed discharge slope 3 onto the innermost lifting discharge slope 4. When the lifting loading rack 2 intermittently lifts, the ores fall along the middle fixed discharge slope 3 onto the outermost lifting discharge slope 4. When the outermost lifting discharge slope 4 lifts upward, the ores fall along the outermost fixed discharge slope 3 into the return chute 18. Since the return chute 18 is inclined, the ores fall into the collecting hopper 26 along the notch 19. When it is necessary to crush it again, the lifting motor 22 drives the lifting frame 24 upward. At this time, the two side baffle plates 31 block the notch 19 to prevent the ore from continuing to fall, and the discharge cylinder 29 is started to re-inject the ore into the crushing bin 9 for re-crushing.

[0023] Refer to the appendix Figure 1 and the appendix Figure 3 As shown in the figure, a fixed discharge slope 3 facing the outside is arranged on the top of the fixed loading rack 1, and a lifting discharge slope 4 facing the outside is arranged on the top of the lifting loading rack 2.

[0024] In this embodiment: The ore sorted by the screen 13 falls along the screen 13 and the innermost fixed blanking slope 3 onto the innermost lifting blanking slope 4. When the innermost lifting blanking slope 4 lifts upward, the ore falls along the middle fixed blanking slope 3 onto the outermost lifting blanking slope 4. When the outermost lifting blanking slope 4 lifts upward, the ore falls along the outermost fixed blanking slope 3 into the return chute 18.

[0025] Refer to the attached Figure 2 - attached Figure 3 , a support leg 5 is provided at the bottom of the fixed loading rack 1, a connecting frame 6 is fixedly provided between the bottoms of the lifting loading racks 2, and a lifting cylinder 7 is further provided between the support legs 5. The output end of the lifting cylinder 7 is fixedly connected to the connecting frame 6.

[0026] In this embodiment: In order to drive the lifting loading rack 2 to lift automatically and intermittently, so as to realize the automatic feeding of the ore, the output end of the lifting cylinder 7 is fixedly connected to the lifting loading rack 2.

[0027] Refer to the attached Figure 1 and attached Figure 4 , symmetric crushing rollers 10 are movably installed in the crushing bin 9, a feed inlet 11 is provided at the top of the crushing bin 9, a guide hood 17 is further provided at the top of the feed inlet 11, and a discharge outlet 12 is provided at the bottom of the crushing bin 9.

[0028] In this embodiment: When adding ore raw materials to the crushing bin 9 or when the collecting hopper 26 throws and crushes larger ore into the crushing bin 9, in order to make it automatically fall into the feed inlet 11, the guide hood 17 structure is designed.

[0029] Refer to the attached Figure 2 - attached Figure 3 , a conical blanking bin 14 is further installed on the inner wall of the innermost fixed loading rack 1 and is located below the screen 13, and a blanking nozzle 15 located above the conveyor belt 33 is provided at the bottom of the blanking bin 14.

[0030] In this embodiment: When the ore is screened, in order to temporarily store it and realize uniform blanking, the blanking bin 14 structure is designed, so as to prevent the ore from directly falling onto the conveyor belt 33 after passing through the screen 13, which is not conducive to the uniform distribution of the ore.

[0031] Refer to the attached Figure 1 - attached Figure 2 , a notch 19 matching the collecting hopper 26 is provided on the return chute 18, a frustum part 20 is provided at the top of the lifting blanking slope 4 of the outermost lifting loading rack 2, the frustum part 20 is located on the side close to the notch 19, and a control panel 16 is further provided on the outer wall of the fixed loading rack 1.

[0032] In this embodiment: The ore is successively lifted upward along the fixed loading rack 1 and the lifting loading rack 2. In order to prevent the ore from continuing to fall outward through the gaps 19 during the throwing operation of the collecting hopper 26, a frustum-shaped portion 20 structure is designed. When the ore reaches the frustum-shaped portion 20, it automatically rolls to both sides under the action of gravity, so it will not interfere with the throwing operation. In order to control the operation of the equipment, a control panel 16 structure is designed.

[0033] Refer to the appendix Figure 2 and the appendix Figure 6 As shown in the figure, symmetric lifting motors 22 are also installed at the bottom of the fixed loading rack 1. The output end of the lifting motor 22 is provided with a threaded rod 23 located in the lifting cavity 21; a lifting frame 24 is movably arranged in the lifting cavity 21. The top of the lifting frame 24 is provided with a swing arm 25 that inclines outward. A swing seat 27 is arranged inside the collecting hopper 26. The collecting hopper 26 is movably arranged on the swing arm 25 through the swing seat 27; the lifting frame 24 is threadedly installed on the threaded rod 23.

[0034] In this embodiment: The inner side of the collecting hopper 26 abuts against the outer wall of the fixed loading rack 1. In order to drive the lifting frame 24 and the collecting hopper 26 to lift and fall synchronously, a lifting motor 22 structure is designed.

[0035] Refer to the appendix Figure 1 and the appendix Figure 6 As shown in the figure, an inclined mounting plate 28 is arranged on the outer wall of the lifting frame 24. A blanking cylinder 29 is installed on the mounting plate 28. The output end of the blanking cylinder 29 abuts against the collecting hopper 26; Suspension frames 30 are also fixedly arranged on both sides of the lifting frame 24. A baffle plate 31 for blocking the return chute 18 is arranged outside the suspension frames 30.

[0036] In this embodiment: The mounting plate 28 inclines downward. When the blanking cylinder 29 is started, the blanking cylinder 29 will jack up the collecting hopper 26 upward, and the larger ore stored in the collecting hopper 26 will be thrown back into the guide hood 17 again. Since the return chute 18 is inclined, in order to prevent the ore from continuing to fall into the collecting hopper 26 along the return chute 18 when the collecting hopper 26 is lifted and thrown upward, a baffle plate 31 structure is designed. After the throwing is completed, the blanking cylinder 29 is closed and the collecting hopper 26 and the lifting frame 24 are driven to move downward. When the baffle plate 31 disengages from the gap 19, the ore temporarily stored in the return chute 18 falls into the collecting hopper 26 again.

[0037] Refer to the appendix Figure 7 As shown in the figure, a cleaning roller 35 is also installed between the mounting frames 32. The cleaning roller 35 is located below the conveyor belt 33 and abuts against it. A material taking port 34 is also opened on the outer wall of the mounting frame 32.

[0038] In this embodiment: After the conveyor belt 33 conveys the ore, there will be residual slag on its surface. In order to clean it and ensure the smooth progress of subsequent operations, a cleaning roller 35 structure is designed.

[0039] Refer to the appendix Figure 1 and the appendix Figure 7 - appendix Figure 8 On the outer wall of the cross frame 36, an inclined sliding seat 38 is fixedly arranged. Symmetrical sliding grooves 39 are opened at the top of the sliding seat 38. Sliders 41 that cooperate with the sliding grooves 39 are arranged at the bottom of the flat laying plate 40. Multiple groups of positioning bolts 42 are also installed on the outer wall of the flat laying plate 40 in a threaded manner.

[0040] In this embodiment: In order to flatten the ore on the conveyor belt 33 and adjust the thickness of the ore according to actual needs, an adjustable flat laying plate 40 is designed. When the flat laying plate 40 slides along the sliding seat 38, in order to fix it, a structure of multiple groups of positioning bolts 42 is designed.

[0041] The working principle of the present invention: When the device is in use, first, the original ore is added to the crushing bin 9. The crushed ore falls onto the sieve 13 below. Since the middle part of the sieve 13 is slightly higher than the edge part, the ore with a diameter smaller than the pores of the sieve 13 falls into the lower material bin 14 at the bottom and falls onto the conveyor belt 33 through the material outlet nozzle 15. When the crushed ore falls onto the conveyor belt 33, multiple groups of rake teeth 37 will rake the ore loose and prevent it from piling up. Then, the adjustable flat laying plate 40 flattens the ore and makes it evenly distributed on the conveyor belt 33. Larger ore pieces slide along the sieve 13 and the innermost fixed material dropping inclined plane 3 onto the innermost lifting material dropping inclined plane 4. When the lifting feeding frame 2 intermittently lifts, the ore slides along the middle fixed material dropping inclined plane 3 onto the outermost lifting material dropping inclined plane 4. When the outermost lifting material dropping inclined plane 4 lifts upward, the ore slides along the outermost fixed material dropping inclined plane 3 into the return material trough 18. Since the return material trough 18 is inclined, the ore falls into the collecting hopper 26 along the notch 19. When it is necessary to crush it again, the lifting motor 22 drives the lifting frame 24 upward. At this time, the two side baffle plates 31 block the notch 19 to prevent the ore from continuing to fall, and the feeding cylinder 29 is started to re-inject the ore into the crushing bin 9 for re-crushing.

[0042] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and creative features disclosed herein.

Claims

1. A conveying device for realizing uniform distribution of crushed ore, comprising a plurality of rectangular fixed feeding racks (1), characterized in that: The height of the fixed loading rack (1) increases successively from the inner side to the outer side; a plurality of lifting loading racks (2) are movably arranged between adjacent fixed loading racks (1). A screen (13) is installed on the top of the innermost fixed loading rack (1), and a return material chute (18) is arranged on the outer wall of the outermost fixed loading rack (1). When the lifting loading rack (2) intermittently lifts, the larger ores that do not meet the screen (13) fall into the return material chute (18). A support frame (8) is arranged on the outer wall of the fixed loading rack (1), and a crushing bin (9) located above the screen (13) is installed on the support frame (8); a lifting cavity (21) is formed on the outer wall of the fixed loading rack (1), and a collecting hopper (26) is movably installed in the lifting cavity (21). The ores in the return material chute (18) are stored in the collecting hopper (26) and finally thrown back into the crushing bin (9). An installation frame (32) located below the screen (13) is further arranged at the bottom of the fixed loading rack (1), and a conveyor belt (33) is arranged between the installation frames (32); a cross frame (36) is fixedly arranged above the installation frame (32), and a plurality of rake teeth (37) facing downward are installed on the cross frame (36), and a paving plate (40) is movably installed on the side of the cross frame (36).

2. The conveying device for realizing uniform distribution of crushed ore according to claim 1, characterized in that: A fixed discharging inclined plane (3) facing the outer side is arranged at the top of the fixed loading rack (1), and a lifting discharging inclined plane (4) facing the outer side is arranged at the top of the lifting loading rack (2).

3. The conveying device for achieving uniform distribution of crushed ore according to claim 1, wherein: Support legs (5) are arranged at the bottom of the fixed loading rack (1), a connecting frame (6) is fixedly arranged between the bottoms of the lifting loading racks (2), and a lifting cylinder (7) is further arranged between the support legs (5). The output end of the lifting cylinder (7) is fixedly connected to the connecting frame (6).

4. A conveying device for realizing uniform distribution of crushed ore according to claim 1, characterized in that: Symmetric crushing rollers (10) are movably installed in the crushing bin (9), a feeding port (11) is formed at the top of the crushing bin (9), a guiding cover (17) is further arranged at the top of the feeding port (11), and a discharging port (12) is formed at the bottom of the crushing bin (9).

5. A conveying device for achieving uniform distribution of crushed ore according to any one of claims 1-4, characterized in that: A conical discharging bin (14) located below the screen (13) is further installed on the inner wall of the innermost fixed loading rack (1), and a discharging nozzle (15) located above the conveyor belt (33) is formed at the bottom of the discharging bin (14).

6. The conveying device for achieving uniform distribution of crushed ore according to claim 1, wherein: A notch (19) matching with the collecting hopper (26) is formed on the return material chute (18). A frustum part (20) is arranged at the top of the lifting discharging inclined plane (4) of the outermost lifting loading rack (2), and the frustum part (20) is located on the side close to the notch (19). A control panel (16) is further arranged on the outer wall of the fixed loading rack (1).

7. A conveying device for achieving uniform distribution of crushed ore according to claim 1, characterized in that: A pair of lifting motors (22) are symmetrically installed at the bottom of the fixed loading rack (1). The output end of the lifting motor (22) is provided with a threaded rod (23) located in the lifting cavity (21). A lifting frame (24) is movably arranged in the lifting cavity (21). The top of the lifting frame (24) is provided with a swing arm (25) inclined outward. A swing seat (27) is arranged inside the collecting hopper (26). The collecting hopper (26) is movably arranged on the swing arm (25) through the swing seat (27). The lifting frame (24) is threadedly installed on the threaded rod (23).

8. A conveying device for achieving uniform distribution of crushed ore according to claim 7, characterized in that: An inclined mounting plate (28) is arranged on the outer wall of the lifting frame (24). A blanking cylinder (29) is installed on the mounting plate (28). The output end of the blanking cylinder (29) abuts against the collecting hopper (26). Suspension frames (30) are fixedly arranged on both sides of the lifting frame (24). A baffle plate (31) for shielding the return material chute (18) is arranged outside the suspension frames (30).

9. A conveying device for achieving uniform distribution of crushed ore according to any one of claims 1-4, characterized in that: A cleaning roller (35) is also installed between the mounting frames (32). The cleaning roller (35) is located below the conveyor belt (33) and abuts against it. A material taking port (34) is also formed on the outer wall of the mounting frame (32).

10. A conveying device for realizing uniform distribution of crushed ore according to any one of claims 1-4, characterized in that: An inclined sliding seat (38) is fixedly arranged on the outer wall of the cross frame (36). Symmetric sliding grooves (39) are formed at the top of the sliding seat (38). Sliders (41) cooperating with the sliding grooves (39) are arranged at the bottom of the paving plate (40). Multiple groups of positioning bolts (42) are threadedly installed on the outer wall of the paving plate (40).

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