Intelligent filling mining hopper stirring device and system thereof

By using an intelligent hopper mixing device that links the regulating components and the water supply components, the problem of material concentration difference along the height direction is solved, achieving uniform mixing of materials, reducing caking and blockage, and improving the efficiency and safety of backfilling mining.

CN122209288APending Publication Date: 2026-06-16UNIV OF SCI & TECH BEIJING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF SCI & TECH BEIJING
Filing Date
2026-05-06
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing mining mixers have a concentration difference in materials along the height direction during the mixing process, resulting in the upper material being thinner and the lower material being drier, which easily leads to the problem of agglomeration and material blockage.

Method used

Design an intelligent hopper mixing device. By setting a mixing element and a water injection hole on the rotating shaft, the water injection volume is automatically adjusted according to the resistance of the mixing element by the adjustment component. Combined with the linkage of the water supply component and the drive component, the intelligent adaptive adjustment of the water injection volume is realized, which promotes the hydration reaction and reduces the viscosity.

Benefits of technology

It achieves uniformity of material concentration, reduces material blockage, improves the operational efficiency and safety stability of backfill mining, and reduces human error and equipment wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of mining machinery, in particular to an intelligent filling mining hopper stirring device and a system thereof. The device comprises a stirring tank, a discharge hopper is fixedly connected to the bottom of the stirring tank, a support is fixedly connected to the top of the stirring tank, a rotating shaft is rotatably connected to the support, and stirring vanes are coaxially fixedly connected to the bottom end of the rotating shaft. A channel is formed in the rotating shaft. A driving assembly for driving the rotating shaft to rotate is arranged on the top of the support. An L-shaped connecting rod is fixedly connected to the side wall of the rotating shaft in a circumferential direction, a plurality of stirring pieces for stirring materials in the stirring tank are arranged on the connecting rod in layers, water injection holes are arranged on the stirring pieces, and adjusting assemblies for automatically adjusting the water injection amount of the corresponding water injection holes according to the resistance of the stirring pieces are arranged on the stirring pieces. The application can automatically increase the water amount in the area with high material viscosity, thereby reducing the viscosity of the area, and further reducing the blockage caused by the inconsistent material viscosity during stirring.
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Description

Technical Field

[0001] This invention relates to the field of mining machinery technology, specifically to an intelligent mixing device and system for filling mining hoppers. Background Technology

[0002] Backfilling mining is a core mining method that involves filling the goaf with backfill material as the longwall face advances, and then mining on top of the backfill body to control ground pressure, ensure safety, and recover resources. The core logic is "mining one layer and backfilling one layer". The backfill body achieves surrounding rock support, ground pressure control, and environmental management. It is the preferred technical route for deep mining, complex geology, and scenarios with high environmental protection requirements.

[0003] In existing technologies, such as the Hengchang XBT2000 mining mixer, a horizontal annular mixing frame is set in the middle of a hollow cylinder. By driving the mixing frame to rotate, and in conjunction with the horizontally arranged mixing rods on the vertical mixing frame inside the hollow cylinder, the mixing frame increases local cross-flow during mixing, promotes stratified mixing efficiency, and thus makes the mixing more uniform and reduces the occurrence of material blockage.

[0004] However, in actual use of the aforementioned mining mixers for material mixing, because water is added to the mixing tank from the top, the water diffuses downwards, leading to a situation where the upper material is thinner and the lower material is drier in the initial mixing stage. This makes it difficult to eliminate the concentration difference along the height of the material in a short time, resulting in uneven flowability between material layers and potential for localized clumping and blockage. Therefore, it is necessary to propose an intelligent mixing device and system for filling mining hoppers to solve these problems. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides an intelligent mixing device and system for filling mining hoppers, which can automatically add water to areas with high material viscosity, thereby promoting the hydration reaction in these areas and reducing the viscosity of those areas. This reduces the likelihood of material blockage caused by inconsistent material viscosity during mixing.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows: an intelligent filling mining hopper mixing device includes a mixing tank, a discharge hopper fixedly connected to the bottom of the mixing tank, a support fixedly connected to the top of the mixing tank, a rotating shaft rotatably fitted on the support, and a mixing fan blade coaxially fixedly connected to the bottom end of the rotating shaft; a channel is opened inside the rotating shaft.

[0007] The top of the support is equipped with a drive assembly for driving the rotating shaft to rotate; the side wall of the rotating shaft is circumferentially fixed with an "L"-shaped connecting rod, and each connecting rod is equipped with several stirring components for stirring the material in the mixing tank in layers. Each stirring component is equipped with a water injection hole, which is connected to the channel; each stirring component is also equipped with an adjustment assembly for automatically adjusting the water injection volume of the corresponding water injection hole according to the resistance encountered by the stirring component.

[0008] The technical principles of the above solution are as follows:

[0009] The drive component rotates the shaft and agitator to stir the material filling the mixing tank; simultaneously, the water supply component supplies water to the mixing zone through the internal channel of the shaft. During the mixing process, the regulating component automatically adjusts the water injection volume according to the material resistance encountered by the agitator: when the material viscosity is high and the resistance is high, the water injection volume increases to promote the hydration reaction and reduce the viscosity; when the material viscosity decreases and the resistance decreases, the water injection volume automatically decreases.

[0010] The above approach has the following beneficial effects:

[0011] 1. This solution achieves intelligent adaptive adjustment of water injection volume by linking the adjustment component with the water supply component and the drive component. It can match the viscosity requirements of different areas of the material, reduce the material concentration unevenness and local agglomeration caused by the existing device, ensure continuous and stable mixing operation, and improve the operation efficiency of backfilling mining.

[0012] 2. This solution replaces the existing top-down single water supply method. Water is supplied to the mixing area through the rotating shaft channel. Combined with the layered mixing of the agitator, it can reduce the concentration difference of materials along the height direction, improve the uniformity of the filling slurry, ensure the strength of the subsequent filling body, and thus improve the safety and stability of filling mining.

[0013] 3. This solution can automatically adjust the water injection volume without manual intervention, reducing the labor intensity of operators, reducing human operation errors, and reducing equipment wear and maintenance costs caused by material blockage.

[0014] Furthermore, the drive assembly includes a controller and a drive component that is fixedly connected to the top of the bracket by bolts. The controller is used to control the rotation of the output shaft of the drive component. A driven gear is coaxially fixedly connected to the shaft. The output shaft of the drive component passes through the bracket and is coaxially fixedly connected to the drive gear, and the drive gear and the driven gear mesh.

[0015] Beneficial effects: The controller controls the output shaft of the drive component to rotate, the drive gear drives the driven gear to rotate, which in turn drives the rotating shaft to rotate on the support, and then drives the agitator to stir the material in the mixing tank.

[0016] Furthermore, the mixing component includes several connecting pipes fixedly connected to the side wall of the connecting rod. One end of each connecting pipe is connected to the channel, and the other end of each connecting pipe is fixedly connected to a plug. The water injection hole is opened on the side wall of the connecting pipe.

[0017] Beneficial effects: The connecting pipe can guide the water in the shaft channel to the water injection hole, so as to achieve the effect of simultaneous water injection when the connecting rod is stirring the material, thereby improving the water-material mixing efficiency and avoiding uneven water distribution.

[0018] Furthermore, the adjustment assembly includes a sleeve that is fitted and rotatably engaged with the end of the connecting pipe away from the rotating shaft, and a sail is fixedly connected to the end of the sleeve away from the connecting pipe; a torsion spring is provided inside the sleeve, one end of the torsion spring is fixedly connected to the side wall of the sail, and the other end of the torsion spring is fixedly connected to the plug; an adjustment hole adapted to the water injection hole is opened on the side wall of the sleeve.

[0019] Beneficial effects: When the connecting pipe drives the sail to rotate, the sail can contact the material. When the material viscosity is high, the sail is resisted and drives the sleeve to rotate, increasing the overlap between the adjusting hole and the water injection hole, thus increasing the water injection volume. When the viscosity is low, the torsion spring resets and drives the sleeve to rotate, reducing the overlap and decreasing the water injection volume. This structure can achieve adaptive adjustment of the water injection volume, is simple in structure, and requires no additional power.

[0020] Furthermore, a water supply component for supplying water to the channel is provided at the end of the rotating shaft away from the stirring fan blades; the water supply component is connected to the rotating shaft through a rotating connector; the rotating connector includes a fixed end and a rotating end that is rotatably sealed and connected to the fixed end, and the fixed end is fixedly connected to the top of the bracket.

[0021] The rotating end is coaxially and fixedly connected to the end of the rotating shaft away from the stirring blades and communicates with the channel; the fixed end is fixedly connected to the output port of the water supply component; the controller is used to control the water supply component to supply water to the fixed end.

[0022] Beneficial effects: The rotating connector enables a sealed connection between the water supply component and the rotating shaft, preventing water leakage when the shaft rotates and ensuring continuous water supply.

[0023] Furthermore, the shape of the edge of the sail is adapted to fit the shape of the inner wall of the mixing tank.

[0024] Beneficial effects: The edge of the sail fits the inner wall of the mixing tank. When the sail rotates, it can scrape off the material attached to the tank wall, preventing the material from accumulating on the inner wall of the mixing tank.

[0025] Furthermore, the bottom of the mixing tank is fixedly connected to several support legs, and the bottom of the discharge hopper is fixedly connected to a discharge valve.

[0026] Beneficial effects: The support legs provide stable support to the mixing tank, preventing the device from shaking during mixing and ensuring operational safety. The discharge valve controls the timing and amount of discharge, facilitating coordination with subsequent filling operations.

[0027] Furthermore, the mixing fan blades are equipped with a flow guide component to prevent material from accumulating in the mixing tank into the hopper;

[0028] The flow guiding assembly includes a flow guiding shroud, and a support rod is fixedly connected circumferentially to the inner side wall of the mixing tank. The end of the support rod away from the inner side wall of the mixing tank is fixedly connected to the side wall of the flow guiding shroud, and the stirring fan blades are located inside the flow guiding shroud.

[0029] Beneficial effects: When the mixing blades rotate, the mixing blades, together with the guide shroud, can direct the slurry during mixing towards the discharge hopper, so that the slurry circulates in the hopper and mixing tank, thereby preventing the material from accumulating at the bottom of the mixing tank and the inlet of the discharge hopper, and preventing clogging.

[0030] Furthermore, an intelligent filling mining hopper mixing system includes a data acquisition module, a calculation module, and a control module.

[0031] The acquisition module includes a viscosity sensor installed on the side wall of the mixing tank. The acquisition module is used to collect viscosity data of the material in the mixing tank using the viscosity sensor and send the viscosity data to the calculation module.

[0032] The calculation module is used to analyze and process viscosity data, generate control commands, and send the control commands to the control module.

[0033] The control module is used to control the operation of the drive components and water supply components using control commands based on an intelligent adjustment algorithm.

[0034] Beneficial effects: By working together with the acquisition, calculation and control modules, real-time monitoring and regulation of material viscosity data can be achieved without manual intervention, further improving the level of intelligent mixing, ensuring the uniformity of slurry, and reducing the risk of material blockage.

[0035] Furthermore, the intelligent adjustment algorithm in the control module is as follows:

[0036] The threshold range for the viscosity data is preset for the control module.

[0037] When the viscosity data collected by the viscosity sensor is higher than the threshold range, the control module controls the drive to increase the operating speed and the water supply to increase the pumping volume.

[0038] When the viscosity data collected by the viscosity sensor is lower than the threshold range, the control module controls the drive to reduce the operating speed and the water supply to reduce the pumping volume.

[0039] When the collected data is within the threshold range, the control module controls the drive components and water supply components to maintain the current operating state.

[0040] Beneficial effects: The intelligent adjustment algorithm adjusts the speed of the drive components and the water supply in real time to ensure that the slurry is always in the optimal mixing state, while saving energy and extending the service life of the equipment. Attached Figure Description

[0041] Figure 1 This is an isometric view of the intelligent filling mining hopper mixing device of the present invention.

[0042] Figure 2 for Figure 1 Enlarged view of section A.

[0043] Figure 3 This is a side cross-sectional axonometric view of the intelligent filling mining hopper mixing device of the present invention.

[0044] Figure 4 for Figure 3 Enlarged view of section B.

[0045] Figure 5 This is a front sectional view of the connecting pipe and casing in the intelligent filling mining hopper mixing device of the present invention.

[0046] Figure 6 This is a lateral sectional axonometric view of the connecting pipe and casing in the intelligent filling mining hopper mixing device of the present invention.

[0047] Figure 7 This is a system structure diagram of the intelligent filling mining hopper mixing system of the present invention.

[0048] The reference numerals in the accompanying drawings of the instruction manual include: 1. Mixing tank; 2. Discharge hopper; 3. Support; 4. Rotating shaft; 5. Mixing fan blade; 6. Flow guide; 7. Connecting rod; 8. Water injection hole; 9. AC geared motor; 10. Driven gear; 11. Drive gear; 12. Connecting pipe; 13. Plug; 14. Sleeve; 15. Sail; 16. Torsion spring; 17. Adjustment hole; 18. Fixed end; 19. Rotating end; 20. Support rod; 21. Support leg; 22. Discharge valve. Detailed Implementation

[0049] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0050] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0051] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0052] The following detailed description illustrates the specific implementation method:

[0053] Implementation, for example, attached Figure 1 As shown: An intelligent filling mining hopper mixing device includes a mixing tank 1, a discharge hopper 2 fixedly connected to the bottom of the mixing tank 1, and a discharge valve 22 fixedly connected to the bottom of the discharge hopper 2.

[0054] The bottom of the mixing tank 1 is fixedly connected with several support legs 21 by bolts.

[0055] like Figure 4 As shown, a bracket 3 is fixedly connected to the top of the mixing tank 1 by bolts. A rotating shaft 4 is rotatably fitted on the bracket 3. A stirring fan blade 5 is coaxially fixedly welded to the bottom end of the rotating shaft 4. A channel is opened inside the rotating shaft 4.

[0056] The stirring blade 5 is equipped with a flow guide component to prevent the material in the mixing tank 1 from accumulating into the hopper.

[0057] The top of the bracket 3 is equipped with a drive assembly for driving the rotating shaft 4 to rotate.

[0058] The side wall of the rotating shaft 4 is circumferentially fixed with an "L"-shaped connecting rod 7. Each connecting rod 7 is provided with several stirring components in layers for stirring the material in the mixing tank 1. Each stirring component is provided with a water injection hole 8, which is connected to the channel. Each stirring component is also provided with an adjustment component for automatically adjusting the water injection volume of the corresponding water injection hole 8 according to the resistance of the stirring component.

[0059] like Figure 2As shown, specifically, the drive assembly includes a controller and a drive component that is fixedly connected to the top of the bracket 3 by bolts. The controller is used to control the rotation of the output shaft of the drive component. In this embodiment, the drive component is an AC geared motor 9. A driven gear 10 is coaxially fixedly welded on the rotating shaft 4. The output shaft of the AC geared motor 9 passes through the bracket 3 and is coaxially fixedly connected to a drive gear 11 by bolts. The drive gear 11 and the driven gear 10 mesh.

[0060] like Figure 3 , Figure 4 and Figure 5 As shown, specifically, the stirring component includes several connecting pipes 12 fixedly welded to the side wall of the connecting rod 7. One end of each connecting pipe 12 is connected to the channel, and the other end of each connecting pipe 12 is integrally formed with a plug 13. The water injection hole 8 is opened on the side wall of the connecting pipe 12.

[0061] Combination Figure 3 As shown, when using the device, the materials required for filling the mining (filling aggregate and cementing material) are poured into the mixing tank 1 through the top of the mixing tank 1. The amount of material poured in is determined according to the volume of the mixing tank 1, and water is added into the mixing tank 1.

[0062] Then, the AC geared motor 9 is started by controlling the controller. The output shaft of the AC geared motor 9 drives the drive gear 11 to rotate. Since the drive gear 11 meshes with the driven gear 10 on the rotating shaft 4, it drives the rotating shaft 4 to rotate synchronously.

[0063] When the rotating shaft 4 rotates, it drives the bottom stirring blades 5 to rotate. The stirring blades 5, together with the external guide components, perform preliminary stirring of the material at the bottom of the mixing tank 1 and guide the material to gather towards the center. At the same time, the rotating shaft 4 drives the connecting rod 7 to rotate synchronously. The stirring components arranged in layers on the connecting rod 7 rotate with the connecting rod 7 to stir the material at different heights in the mixing tank 1, ensuring that the material in each layer is initially mixed evenly.

[0064] like Figure 5 and Figure 6 As shown, specifically, the adjusting assembly includes a sleeve 14 that is fitted and rotatably engaged with the end of the connecting pipe 12 away from the rotating shaft 4. A sail 15 is fixedly welded to the end of the sleeve 14 away from the connecting pipe 12. The shape of the edge of the sail 15 is adapted to the shape of the inner side wall of the mixing tank 1. A torsion spring 16 is provided inside the sleeve 14. One end of the torsion spring 16 is fixedly connected to the side wall of the sail 15 by screws, and the other end of the torsion spring 16 is fixedly connected to the plug 13 by screws. An adjusting hole 17 adapted to the water injection hole 8 is opened on the side wall of the sleeve 14.

[0065] like Figure 2As shown, the end of the rotating shaft 4 away from the stirring blade 5 is provided with a water supply component (not shown in the figure) for supplying water to the channel; the water supply component is connected to the rotating shaft 4 through a rotating connector; the rotating connector includes a fixed end 18 and a rotating end 19 that is rotatably sealed and connected to the fixed end 18, and the fixed end 18 is fixedly welded to the top of the bracket 3.

[0066] The rotating end 19 is coaxially and fixedly welded to the end of the rotating shaft 4 away from the stirring blade 5 and is connected to the channel. The fixed end 18 is fixedly connected to the output port of the water supply component. The controller is used to control the water supply component to supply water to the fixed end 18. In this embodiment, the water supply component is a water pump, and the water pump input port is connected to a water source.

[0067] Combination Figure 3 As shown, after the materials in the mixing tank 1 are mixed to form a slurry, during the process of the agitator continuing to agitate the slurry, the sail 15 on the agitator is subjected to the resistance of the slurry, which drives the sleeve 14 to rotate around the connecting pipe 12, thereby driving the torsion spring 16 to rotate and compress. In this embodiment, the rotation direction of the rotating shaft 4 is counterclockwise.

[0068] by Figure 6 For example, when the regulating hole 17 does not coincide with the water injection hole 8, the sleeve 14 can block the water injection hole 8, so that the water injection hole 8 cannot output water.

[0069] When the sleeve 14 rotates clockwise, the adjusting hole 17 on its side wall gradually moves to coincide with the water injection hole 8 on the connecting pipe 12. The degree of coincidence can change, thereby realizing the automatic adjustment of the water injection volume.

[0070] When the material is relatively dry and has a lot of clumps, the resistance on the sail plate 15 increases, causing the sleeve 14 to rotate clockwise, which increases the overlap between the adjustment hole 17 and the water injection hole 8. At this time, the flow rate of water through the water injection hole 8 and the adjustment hole 17 increases, resulting in an increase in the amount of water injected. The water source in the channel is injected into the material around the connecting pipe 12 through the water injection hole 8, wetting the material and breaking up the clumps.

[0071] When the material moisture content is suitable and the mixing effect is good, the resistance experienced by the sail plate 15 decreases. Under the elastic reset action of the torsion spring 16, the sleeve 14 rotates in the opposite direction, reducing the overlap between the adjusting hole 17 and the water injection hole 8, thus reducing the water injection volume. This prevents excessive water injection, which could lead to an overly diluted material and affect the subsequent use effect of the backfilling mining. In this embodiment, after the water injection hole 8 and the adjusting hole 17 overlap, their water jet direction points to the opposite side of the rotation direction of the rotating shaft 4. This prevents the slurry from entering the water injection hole 8 during mixing, thus preventing blockage and ensuring smooth water injection adjustment. The entire water injection process requires no manual intervention, achieving intelligent adjustment, which not only ensures the mixing quality but also saves water resources.

[0072] Once the material is fully mixed, the controller stops the output shaft of the AC geared motor 9 from rotating, and the rotating shaft 4 and the mixing blades 5 also stop rotating. Then, the operator opens the discharge valve 22 on the discharge hopper 2. The evenly mixed material, under its own gravity, enters the discharge hopper 2, is discharged through the discharge valve 22, and is then transported via pipeline and conveyor to the required filling location in the mining area. During the discharge process, the opening of the discharge valve 22 can be adjusted by the controller to control the discharge speed.

[0073] like Figure 3 As shown, specifically, the flow guiding assembly includes a flow guiding shroud 6, and a support rod 20 is fixedly welded circumferentially to the inner wall of the mixing tank 1. The end of the support rod 20 away from the inner wall of the mixing tank 1 is fixedly welded to the side wall of the flow guiding shroud 6, and the stirring fan blade 5 is located inside the flow guiding shroud 6.

[0074] Combination Figure 3 As shown, when the stirring blade 5 rotates, the stirring blade 5, together with the guide shroud 6, can make the slurry above the mixing tank 1 flow towards the discharge hopper 2, so that the slurry circulates in the hopper and the mixing tank 1, thereby preventing the material from accumulating at the bottom of the mixing tank 1 and the inlet of the discharge hopper 2, and preventing material blockage.

[0075] like Figure 7 As shown, specifically, an intelligent filling mining hopper mixing system includes a data acquisition module, a calculation module, and a control module.

[0076] The acquisition module includes a viscosity sensor installed on the side wall of the mixing tank 1. The acquisition module is used to acquire viscosity data of the material in the mixing tank 1 using the viscosity sensor and send the viscosity data to the calculation module.

[0077] The calculation module is used to analyze and process viscosity data, generate control commands, and send the control commands to the control module.

[0078] The control module is used to control the operation of the drive components and water supply components using control commands based on an intelligent adjustment algorithm.

[0079] In the control module, the intelligent adjustment algorithm is as follows:

[0080] The threshold range for the viscosity data is preset for the control module.

[0081] When the viscosity data collected by the viscosity sensor is higher than the threshold range, the control module controls the AC geared motor 9 to increase the operating speed and the water pump to increase the pumping volume.

[0082] When the viscosity data collected by the viscosity sensor is lower than the threshold range, the control module controls the AC geared motor 9 to reduce its operating speed and the water pump to reduce the pumping volume.

[0083] When the collected data is within the threshold range, the control module controls the AC geared motor 9 and the water pump to maintain the current operating state.

[0084] This solution achieves intelligent adaptive adjustment of the water injection volume by linking the regulating components with the water supply and drive components. This matches the viscosity requirements of different material zones, reducing material concentration inconsistencies and localized clumping that can cause blockages in existing equipment. It ensures continuous and stable mixing operations and improves the efficiency of backfill mining. Furthermore, this solution replaces the existing top-down single water supply method by supplying water to the mixing area through a rotating shaft channel. Combined with the layered mixing of the agitators, it reduces the concentration difference of materials along the height direction, improves the uniformity of the backfill slurry, ensures the strength of the subsequent backfill body, and thus enhances the safety and stability of backfill mining.

[0085] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. An intelligent filling mining hopper mixing device, comprising a mixing tank (1), wherein a discharge hopper (2) is fixedly connected to the bottom of the mixing tank (1), characterized in that, A bracket (3) is fixedly connected to the top of the mixing tank (1), and a rotating shaft (4) is rotatably fitted on the bracket (3). A stirring fan blade (5) is coaxially fixedly connected to the bottom of the rotating shaft (4); a channel is opened inside the rotating shaft (4). The top of the bracket (3) is provided with a drive assembly for driving the rotating shaft (4) to rotate; the side wall of the rotating shaft (4) is circumferentially fixed with an "L"-shaped connecting rod (7), and the connecting rod (7) is provided with several stirring parts for stirring the material in the mixing tank (1) in layers. The stirring parts are provided with water injection holes (8), and the water injection holes (8) are connected to the channel; the stirring parts are also provided with an adjustment assembly for automatically adjusting the water injection volume of the corresponding water injection hole (8) according to the resistance of the stirring parts.

2. The intelligent filling mining hopper mixing device according to claim 1, characterized in that, The drive assembly includes a controller and a drive component that is fixedly connected to the top of the bracket (3) by bolts. The controller is used to control the rotation of the output shaft of the drive component. A driven gear (10) is coaxially fixedly connected to the rotating shaft (4). The output shaft of the drive unit passes through the bracket (3) and is coaxially fixedly connected to the drive gear (11), which meshes with the driven gear (10).

3. The intelligent filling mining hopper mixing device according to claim 2, characterized in that, The agitator includes several connecting pipes (12) fixedly connected to the side wall of the connecting rod (7). One end of each connecting pipe (12) is connected to the channel, and the other end of each connecting pipe (12) is fixedly connected to a plug (13). The water injection hole (8) is opened on the side wall of the connecting pipe (12).

4. The intelligent filling mining hopper mixing device according to claim 3, characterized in that, The adjustment assembly includes a sleeve (14) that is fitted and rotatably fitted to the end of the connecting tube (12) away from the rotating shaft (4), and a sail (15) is fixedly connected to the end of the sleeve (14) away from the connecting tube (12). A torsion spring (16) is provided inside the sleeve (14). One end of the torsion spring (16) is fixedly connected to the side wall of the sail (15), and the other end of the torsion spring (16) is fixedly connected to the plug (13). The sleeve (14) has an adjustment hole (17) on its side wall that matches the water injection hole (8).

5. The intelligent filling mining hopper mixing device according to claim 4, characterized in that, The rotating shaft (4) is located away from the stirring fan blades (5) and is equipped with a water supply device for supplying water to the channel. The water supply component is connected to the rotating shaft (4) via a rotating connector; the rotating connector includes a fixed end (18) and a rotating end (19) that is rotatably sealed and connected to the fixed end (18), and the fixed end (18) is fixedly connected to the top of the bracket (3); The rotating end (19) is coaxially and fixedly connected to the end of the rotating shaft (4) away from the stirring blade (5) and communicates with the channel. The fixed end (18) is fixedly connected to the output port of the water supply component. The controller is used to control the water supply component to supply water to the fixed end (18).

6. The intelligent filling mining hopper mixing device according to claim 5, characterized in that, The shape of the edge of the sail (15) is adapted to the shape of the inner wall of the mixing tank (1).

7. The intelligent filling mining hopper mixing device according to claim 6, characterized in that, The bottom of the mixing tank (1) is fixedly connected with several support legs (21), and the bottom of the discharge hopper (2) is fixedly connected with a discharge valve (22).

8. The intelligent filling mining hopper mixing device according to claim 7, characterized in that, The stirring fan blades (5) are provided with a flow guide component to prevent the material in the mixing tank (1) from accumulating into the hopper; The flow guiding assembly includes a flow guiding shroud (6), and a support rod (20) is fixedly connected to the inner wall of the mixing tank (1) in the circumferential direction. The end of the support rod (20) away from the inner wall of the mixing tank (1) is fixedly connected to the side wall of the flow guiding shroud (6), and the stirring fan blade (5) is located inside the flow guiding shroud (6).

9. An intelligent mixing system for a filling mining hopper, based on any one of the intelligent mixing devices for a filling mining hopper as described in claims 1-8, characterized in that, It includes a data acquisition module, a computing module, and a control module; The acquisition module includes a viscosity sensor installed on the side wall of the mixing tank (1). The acquisition module is used to acquire viscosity data of the material in the mixing tank (1) using the viscosity sensor and send the viscosity data to the calculation module. The calculation module is used to analyze and process viscosity data, generate control commands, and send the control commands to the control module. The control module is used to control the operation of the drive components and water supply components using control commands based on an intelligent adjustment algorithm.

10. The intelligent filling mining hopper mixing system according to claim 9, characterized in that, In the control module, the intelligent adjustment algorithm is as follows: The control module is preset with a threshold range for viscosity data. When the viscosity data collected by the viscosity sensor is higher than the threshold range, the control module controls the drive to increase the operating speed and the water supply to increase the pumping volume. When the viscosity data collected by the viscosity sensor is lower than the threshold range, the control module controls the drive to reduce the operating speed and the water supply to reduce the pumping volume. When the collected data is within the threshold range, the control module controls the drive components and water supply components to maintain the current operating state.