A type of mining stone loading and unloading equipment

Abstract

This utility model discloses a mining stone loading and unloading equipment, relating to the field of loading and unloading equipment. It includes an equipment support frame, a conveyor mounted on the upper surface of the support frame, and a discharge hopper fixedly installed on the outer surface of the support frame near the top of the conveyor. A support shaft is rotatably mounted on the bottom side of one side of the inner wall of the discharge hopper. Several buffer baffles are fixedly connected to the outer surface of the support shaft, and gears are installed at both ends of the buffer baffles extending to the outside of the discharge hopper. A double buffer structure is formed by the "movable support plate + spring" and the "buffer baffles," effectively dissipating the inertial impact force of falling stones. The stones first contact the movable support plate, where the compression of the spring generates an elastic reaction force, providing initial buffering. Then, the stones fall between the buffer baffles, where the baffles further reduce the stone speed through blocking and oscillation, preventing direct impact on the collection container, reducing container deformation, wear, and weld cracking, extending container service life, and reducing equipment maintenance costs.

Description

Technical Field

[0001] This utility model relates to loading and unloading equipment technology, specifically to a mining stone loading and unloading equipment. Background Technology

[0002] Mining stone loading and unloading equipment is the core equipment for transferring stone materials from the mining area to storage sites, processing workshops, or transportation vehicles. Among them, belt conveyors have become the mainstream equipment in the current stone loading and unloading process due to their advantages such as high conveying efficiency, adaptability to various block and granular stones, strong continuous operation capability, and low operating costs. Driven by a drive device, the circular conveyor belt is rotated in a cycle. Utilizing the friction between the conveyor belt surface and the stone or the side retaining structure, the crushed or uncrushed stone materials after mining are smoothly transported from the feeding end to the unloading end, ultimately completing the loading, unloading, and transfer of stone materials. It is a key link connecting mining, intermediate storage, and subsequent processing and utilization, directly affecting the overall production efficiency and material flow rhythm of the mine.

[0003] In mining operations, belt conveyors typically require a certain height at their ends to achieve efficient transport. This height is designed to accommodate the loading height of subsequent transport vehicles and to prevent stone accumulation and blockage during transport. However, the falling stone generates significant inertial impact force. Due to this force, some lumpy stones bounce and splash upon impact with containers, preventing them from accurately falling into the containers. Furthermore, for metal storage hoppers or truck cargo boxes, prolonged impact can cause deformation and increased wear of the inner steel plates, even leading to structural damage such as weld cracks and bottom perforations, ultimately affecting the overall loading and unloading efficiency of the ore. Utility Model Content

[0004] The purpose of this utility model is to provide a mining stone loading and unloading equipment to solve the problem of large impact force when ore falls during loading and unloading in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mining stone loading and unloading device, including a support frame, a conveyor is provided on the upper surface of the support frame, a discharge hopper is fixedly installed on the outer surface of the support frame near the top of the conveyor, a support shaft is rotatably installed at the bottom of one side of the inner wall of the discharge hopper, a plurality of buffer baffles are fixedly connected to the outer surface of the support shaft, and gears are installed at both ends of the buffer baffles extending to the outside of the discharge hopper;

[0006] A movable bracket is movably installed on the bottom of the outer surface of the unloading hopper. A rack plate is fixedly installed on the top of both the front and rear ends of the movable bracket. A T-shaped connector is fixedly installed on the middle of one side of the movable bracket. A limit groove is opened on one side of the upper surface of the T-shaped connector.

[0007] The bottom of the unloading hopper is also equipped with a rotating mechanism to control the overall reciprocating movement of the T-shaped connector.

[0008] Furthermore, the rotating mechanism includes a support plate, which is fixedly installed at the middle of the bottom surface of the unloading hopper. A driving part is provided on the upper surface of the support plate, and a support disc is installed at the output end of the upper surface of the driving part. A limit lever is fixedly installed on the top edge of the support disc.

[0009] Furthermore, the outer diameter of the limiting lever is smaller than the distance between the two sides of the inner wall of the limiting groove, one side of the outer surface of the limiting lever is located inside the limiting groove, and the limiting groove and the limiting lever are interlocked.

[0010] Furthermore, a movable support plate is rotatably mounted on one side of the top of the inner wall of the unloading hopper via a bearing, and several springs are installed between the bottom surface of the movable support plate and the bottom end of the inner wall of the unloading hopper.

[0011] Furthermore, fixed guide rails are fixedly installed at both ends of the unloading hopper near the gear position, and a fixed slide groove is opened on one side of the rack plate. The fixed guide rail is located inside the fixed slide groove, and the fixed guide rail and the fixed slide groove are mutually compatible.

[0012] Furthermore, the bottom surface of the rack plate is provided with a plurality of teeth, and the top end of the rack plate is movable close to the top of the outer surface of the gear, and the gear and the rack plate mesh with each other.

[0013] Compared with the prior art, the mining stone loading and unloading equipment provided by this utility model has the following advantages:

[0014] Beneficial effects:

[0015] 1. This utility model uses a double buffer structure consisting of a "movable support plate + spring" and a "buffer baffle" to effectively dissipate the inertial impact force of falling stones. The stones first contact the movable support plate, which compresses the spring to generate an elastic reaction force, providing initial buffering for the stones. Then, the stones fall between the buffer baffles, which further reduce the speed of the stones by blocking and swinging, preventing the stones from directly impacting the collection container, reducing damage such as container deformation, wear, and weld cracking, extending the service life of the container, and reducing equipment maintenance costs.

[0016] 2. This utility model uses a rotating mechanism to drive the buffer baffle to swing back and forth, achieving stone material unblocking without manual intervention: the drive unit drives the support disc and the limiting lever to rotate, and the limiting lever drives the T-shaped connector and the movable bracket to move back and forth through the limiting long groove. The rack plate moves with the movable bracket and meshes with the gear, driving the buffer baffle to swing forward and backward. This process can prevent stones from accumulating and blocking on the buffer baffle, and at the same time guide the stones to fall evenly into the container below, preventing uneven stacking caused by stone bouncing and splashing. No secondary manual sorting is required, improving the overall loading and unloading efficiency of mine stones.

[0017] 3. This utility model ensures the stability and reliability of the transmission structure through the cooperation of the fixed guide rail and the fixed slide groove: when the rack plate moves, the fixed guide rail is embedded in the fixed slide groove to play a guiding and limiting role, avoiding the rack plate from shifting and causing the gear to disengage from the rack plate, ensuring the smooth swinging action of the buffer baffle, improving the overall operating stability of the equipment, and reducing the interruption of loading and unloading caused by structural jamming. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0020] Figure 2 This is a schematic diagram of the unloading hopper structure provided in an embodiment of the present utility model;

[0021] Figure 3 A schematic diagram of the buffer baffle structure provided in an embodiment of this utility model;

[0022] Figure 4 This is a schematic diagram of the movable support plate structure provided in an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the T-shaped connector structure provided in an embodiment of the present utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Equipment support frame; 2. Conveyor; 3. Unloading hopper; 4. Support shaft; 5. Buffer baffle; 6. Gear; 7. Movable support frame; 8. Rack plate; 9. Fixed guide rail; 10. Fixed slide rail; 11. T-shaped connector; 12. Limiting groove; 13. Support plate; 14. Drive unit; 15. Support disc; 16. Limit lever; 17. Movable support plate; 18. Spring. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] As attached Figure 1 To be continued Figure 5 As shown:

[0028] Example 1:

[0029] This utility model provides a mining stone loading and unloading equipment, including an equipment support 1, a conveyor 2 is provided on the upper surface of the equipment support 1, a discharge hopper 3 is fixedly installed on the outer surface of the equipment support 1 near the top of the conveyor 2, a support shaft 4 is rotatably installed on the bottom side of one side of the inner wall of the discharge hopper 3, a number of buffer baffles 5 are fixedly connected to the outer surface of the support shaft 4, and gears 6 are installed at both ends of the buffer baffles 5 extending to the outside of the discharge hopper 3.

[0030] A movable support 7 is movably installed on the bottom of the outer surface of the unloading hopper 3. A rack plate 8 is fixedly installed on the top of both the front and rear ends of the movable support 7. Several teeth are provided on the bottom surface of the rack plate 8. The top of the rack plate 8 is movably close to the top of the outer surface of the gear 6. The gear 6 and the rack plate 8 mesh with each other.

[0031] Fixed guide rails 9 are fixedly installed at the front and rear ends of the unloading hopper 3 near the gear 6. A fixed slide groove 10 is opened on one side of the rack plate 8. The fixed guide rails 9 are located inside the fixed slide groove 10. The fixed guide rails 9 and the fixed slide groove 10 are compatible with each other. A T-shaped connector 11 is fixedly installed in the middle of one side of the movable bracket 7. A limit groove 12 is opened on one side of the upper surface of the T-shaped connector 11.

[0032] A movable support plate 17 is rotatably mounted on one side of the top of the inner wall of the unloading hopper 3 via a bearing. Several springs 18 are installed between the bottom surface of the movable support plate 17 and the bottom end of the inner wall of the unloading hopper 3.

[0033] The bottom of the unloading hopper 3 is also equipped with a rotating mechanism to control the overall reciprocating movement of the T-shaped connector 11.

[0034] Working principle: Before starting work, the staff should check the following: ensure that the equipment support 1 is stable, the conveyor 2 is firmly connected to the support, and the unloading hopper 3 is securely fixed; rotate the support shaft 4 to check the smoothness, push the movable support 7 to check whether the rack plate 8 and gear 6 mesh normally, and press the movable support plate 17 to check the elasticity of the spring 18.

[0035] After inspection, manually adjust the spacing of the buffer baffle 5 according to the stone particle size: hold the movable bracket 7 and push it horizontally, the rack plate 8 moves accordingly (the fixed guide rail 9 is guided in the fixed slide groove 10 to prevent deviation), the rack meshing gear 6 drives the support shaft 4 and the buffer baffle 5 to rotate. After adjusting the spacing to match the stone, fix the movable bracket 7 with the positioning piece.

[0036] When the conveyor 2 is started, the stone is sent to the top of the conveyor belt and falls into the unloading hopper 3. It first contacts the movable support plate 17, and the support plate rotates around the bearing under pressure and compresses the spring 18. The elastic reaction force of the spring 18 initially buffers the impact force of the stone. The stone then slides down to the buffer baffle 5, where the baffle blocks and slightly swings to release the force a second time, and finally falls smoothly into the collection container below.

[0037] If stones accumulate on the baffle, the positioning piece is pulled back and forth to push the movable bracket 7, causing the buffer baffle 5 to swing slightly to guide the stones. The spring 18 will automatically adjust the compression amount according to the impact force of the stones to maintain buffer stability.

[0038] Example 2:

[0039] This embodiment is basically the same as the previous embodiment, except that the rotating mechanism includes a support plate 13, which is fixedly installed in the middle of the bottom surface of the unloading hopper 3. A driving part 14 is provided on the upper surface of the support plate 13. The driving part 14 is a driving motor. A support disc 15 is installed at the output end of the upper surface of the driving part 14. A limit lever 16 is fixedly installed on the top edge of the support disc 15.

[0040] The outer diameter of the limiting lever 16 is smaller than the distance between the two sides of the inner wall of the limiting groove 12. One side of the outer surface of the limiting lever 16 is located inside the limiting groove 12, and the limiting groove 12 and the limiting lever 16 are interlocked.

[0041] Working principle: The staff first performs the same basic inspection as in Example 1, and then focuses on checking the rotating mechanism: confirming that the support plate 13 is firmly fixed to the unloading hopper 3, the drive unit 14 (drive motor) is installed stably, the support disc 15 is reliably connected to the motor output end, and verifying that the limit lever 16 moves smoothly in the limit groove 12.

[0042] The drive motor speed is set according to the characteristics of the stone (particle size, mass). When the motor is started, the motor drives the support disc 15 to rotate. The limit lever 16 moves in a circle with the disc. Through the limit slot 12, it drives the T-shaped connector 11 and the movable bracket 7 to move horizontally back and forth. The rack plate 8 moves synchronously with the movable bracket 7 (guided by the fixed guide rail 9). The meshing gear 6 drives the buffer baffle 5 to swing forward and backward.

[0043] When the conveyor 2 is started, the stone falls into the unloading hopper 3: it is first initially buffered by the movable support plate 17 and the spring 18, and then slides into the swinging buffer baffle 5. The swinging baffle provides secondary buffering and guides the stone to prevent accumulation. Finally, the stone falls evenly into the collection container. During operation, the motor speed can be adjusted in real time to adapt to the falling stone, and there is no need to manually push the support.

[0044] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A mining stone loading and unloading equipment, comprising an equipment support (1), wherein a conveyor (2) is disposed on the upper surface of the equipment support (1), characterized in that, A discharge hopper (3) is fixedly installed on the outer surface of the equipment support (1) near the top of the conveyor (2). A support shaft (4) is rotatably installed on the bottom side of one side of the inner wall of the discharge hopper (3). Several buffer baffles (5) are fixedly connected to the outer surface of the support shaft (4). Gears (6) are installed on both the front and rear ends of the buffer baffles (5) extending to the outside of the discharge hopper (3). The bottom of the outer surface of the unloading hopper (3) is movably mounted with a movable bracket (7). The top of both ends of the movable bracket (7) is fixedly mounted with a rack plate (8). A T-shaped connector (11) is fixedly mounted in the middle of one side of the movable bracket (7). A limiting groove (12) is opened on one side of the upper surface of the T-shaped connector (11). The bottom of the unloading hopper (3) is also provided with a rotating mechanism for controlling the overall reciprocating movement of the T-shaped connector (11).

2. The mining stone loading and unloading equipment according to claim 1, characterized in that, The rotating mechanism includes a support plate (13), which is fixedly installed in the middle of the bottom surface of the unloading hopper (3). A driving part (14) is provided on the upper surface of the support plate (13). A support disc (15) is installed at the output end of the upper surface of the driving part (14). A limit lever (16) is fixedly installed on the top edge of the support disc (15).

3. The mining stone loading and unloading equipment according to claim 2, characterized in that, The outer diameter of the limiting lever (16) is smaller than the distance between the two sides of the inner wall of the limiting groove (12). One side of the outer surface of the limiting lever (16) is located inside the limiting groove (12). The limiting groove (12) and the limiting lever (16) are interlocked.

4. The mining stone loading and unloading equipment according to claim 1, characterized in that, A movable support plate (17) is rotatably mounted on one side of the inner wall of the unloading hopper (3) via a bearing. Several springs (18) are installed between the bottom surface of the movable support plate (17) and the bottom end of the inner wall of the unloading hopper (3).

5. A mining stone loading and unloading equipment according to claim 1, characterized in that, Fixed guide rails (9) are fixedly installed at the front and rear ends of the unloading hopper (3) near the gear (6). A fixed slide groove (10) is provided on one side of the rack plate (8). The fixed guide rail (9) is located inside the fixed slide groove (10). The fixed guide rail (9) and the fixed slide groove (10) are compatible with each other.

6. The mining stone loading and unloading equipment according to claim 1, characterized in that, The bottom surface of the rack plate (8) is provided with a number of teeth, and the top of the rack plate (8) moves close to the top of the outer surface of the gear (6). The gear (6) and the rack plate (8) mesh with each other.

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