Crushing device for mine land reclamation and restoration

By using the design of a screening net and a recycling bin in the crushing device, the problem of inconvenient cleaning of crushed materials in the prior art is solved, effective screening and reflow of crushed materials is realized, and the working efficiency of the equipment is improved.

CN222918747UActive Publication Date: 2025-05-30RESEARCH CENTER FOR NATURAL RESOURCES PROTECTION & UTILIZATION OF INNER MONGOLIA AUTONOMOUS REGION
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Patent Information

Application Number
CN202421866690.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-30
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The prior art crushing device is inconvenient for cleaning of crushed materials in the screening part, resulting in accumulation of crushed materials affecting the normal operation of the equipment.

Method used

A crushing device for mine land reclamation and restoration was designed. A screening network was used for one screening, and the screened crushed materials could be rolled into crushing again. A recovery box was used for secondary screening. The secondary screened crushed materials were reflowed into the recycling box to avoid frequent cleaning.

Benefits of technology

Through the design of the screening net and recycling bin, the effective screening and reflow of crushed materials is achieved, the accumulation of crushed materials is avoided, the normal operation of the equipment is ensured, and the working efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a crushing device for mine land reclamation and repair, which comprises a rack, a crushing device and a crushing device, a mounting frame is fixedly connected to the top end of the rack, the crushing box is fixedly connected to the top surface of the mounting frame, a discharging opening is formed in the bottom of the crushing box, and a screening net is detachably connected to the interior of the discharging opening; the crushing mechanism is mounted in the crushing box; the transmission mechanism is mounted on the mounting frame, and the transmission mechanism is in transmission fit with the crushing mechanism; the screening mechanism comprises a screening box, the screening box is installed on the top face of the rack, a conveying assembly is installed in the screening box, a plurality of columns of screening holes are formed in the bottom of the screening box in an array mode, and a discharging opening is formed in one end of the bottom of the screening box; the recycling mechanism comprises a first recycling box and a second recycling box which are fixedly connected to the rack. Crushed materials do not need to be cleaned frequently, it is guaranteed that the screening mechanism can work normally, and the working efficiency of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of land reclamation equipment, in particular to a crushing device for mine land reclamation and restoration. Background Art

[0002] Land reclamation is an activity in which mining right holders take remediation measures to restore the land damaged by excavation, subsidence, etc. during mine construction and production to a state suitable for utilization in accordance with laws and regulations such as mineral resources and land management laws; during this process, the stones on the ground are usually crushed to make the land more suitable for ecological construction.

[0003] Most of the existing crushing devices can realize the integrated function of crushing and screening. However, the screening part is not convenient for cleaning the crushed materials. After a certain amount of crushed materials accumulates on the screening device, it will affect the normal operation of the screening device. Therefore, the utility model provides a crushing device for mine land reclamation and restoration. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a crushing device for mine land reclamation and restoration to solve the problems existing in the prior art.

[0005] To achieve the above purpose, the utility model provides the following scheme: The utility model provides a crushing device for mine land reclamation and restoration, including:

[0006] A frame, with a support assembly installed at the bottom of the frame;

[0007] A crushing box, an installation frame is fixedly connected to the top of the frame, the crushing box is fixedly connected to the top surface of the installation frame, a discharge port is opened at the bottom of the crushing box, and a screening mesh is detachably connected in the discharge port;

[0008] A crushing mechanism, which is installed in the crushing box;

[0009] A transmission mechanism, which is installed on the installation frame and is in transmission cooperation with the crushing mechanism;

[0010] A screening mechanism, which includes a screening box installed on the top surface of the frame, and the feed port of the screening box is correspondingly arranged with the discharge port at the bottom of the crushing box. A conveying component is installed in the screening box, a plurality of rows of screening holes are arranged in an array at the bottom of the screening box, and a discharge port is opened at one end of the bottom of the screening box;

[0011] A recovery mechanism, including a first recovery box and a second recovery box fixedly connected to the frame. The first recovery box is correspondingly arranged with the discharge port at the bottom of the screening box, and the second recovery box is correspondingly arranged with the screening holes at the bottom of the screening box;

[0012] Among them, the mesh diameter of the screening mesh is larger than the aperture of the screening hole.

[0013] According to the crushing device for mine land reclamation and restoration provided by the present utility model, the crushing mechanism includes a plurality of fixing blocks, and the plurality of fixing blocks are respectively fixedly connected between the opposite side surfaces of the inner wall of the crushing box. The fixing blocks on the inner wall of the crushing box are arranged in one-to-one correspondence, and the distance between any two adjacent fixing blocks on the same surface is equal. Two mounting shafts are rotatably connected in parallel on the inner wall of the crushing box. The mounting shafts pass through the fixing blocks and the side wall of the crushing box and are in transmission cooperation with the transmission mechanism. A plurality of crushing wheels are fixedly connected to the mounting shafts, and the plurality of crushing wheels are respectively arranged between adjacent fixing blocks.

[0014] According to the crushing device for mine land reclamation and restoration provided by the present utility model, the transmission mechanism includes a first driving motor fixedly connected to the top end of the mounting frame. A transmission is mounted on the output shaft of the first driving motor. The ends of the two mounting shafts pass through the crushing box and are fixedly connected with transmission gears. The two transmission gears are meshed with each other, and the output shaft of the transmission is axially connected to one of the transmission gears.

[0015] According to the crushing device for mine land reclamation and restoration provided by the present utility model, the conveying assembly includes a second driving motor fixedly connected to one side of the screening box. A feeding auger is rotatably connected in the screening box. One end of the feeding auger passes through the side wall of the screening box and is axially connected to the second driving motor.

[0016] According to the crushing device for mine land reclamation and restoration provided by the present utility model, tracks are symmetrically and fixedly connected to the bottom of the crushing box. An installation frame is slidably connected between the two tracks. The screening mesh is fixedly connected to the installation frame. A handle is fixedly connected to one side of the installation frame.

[0017] According to the crushing device for mine land reclamation and restoration provided by the present utility model, a plurality of groups of support components are installed at the bottom of the frame. The support component includes a threaded rod. A support base is fixedly connected to the bottom of the threaded rod. A sliding hole is vertically opened at the bottom of the frame. The top end of the threaded rod is slidably connected in the sliding hole. An adjusting nut is threadedly connected to the threaded rod. The adjusting nut is rotatably connected to the bottom of the frame.

[0018] The present utility model discloses the following technical effects:

[0019] When the utility model is in use, soil clods and stones are put into the crushing box. The transmission mechanism outputs power to drive the crushing mechanism to move, roll the soil clods and stones into the crushing process. After crushing, the materials are preliminarily screened through the screening mesh. The broken blocks on the top surface of the screening mesh are rolled into the crushing mechanism again for crushing. The screened broken materials enter the screening box, and the conveying component in the screening box pushes the materials to move. The screening holes conduct fine screening, and the materials enter the second recycling box. The broken materials that cannot pass through are pushed out from the discharge port at the bottom of the screening box under the action of the conveying mechanism and enter the first recycling box.

[0020] The utility model adopts a screening mesh for primary screening. The broken materials from the primary screening can be rolled again for crushing. The recycling box is adopted for secondary screening. The broken materials from the secondary screening enter the first recycling box for reflux. There is no need to frequently clean the broken materials, which ensures that the screening mechanism can work normally and improves the working efficiency of the device. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of the crushing device for mine land reclamation and restoration of the present utility model Figure Ⅰ ;

[0023] Figure 2 It is Figure 1 The enlarged view of part A in

[0024] Figure 3 It is a schematic structural diagram of the crushing device for mine land reclamation and restoration of the present utility model Figure Ⅰ ;

[0025] Figure 4 It is Figure 2 The enlarged view of part B in

[0026] Among them, 1. Frame; 2. Crushing box; 3. Discharge port; 4. Screening mesh; 5. Mounting frame; 6. Screening box; 7. Screening holes; 8. Discharge opening; 9. First recycling box; 10. Second recycling box; 11. Fixed block; 12. Crushing wheel; 13. First driving motor; 14. Transmission; 15. Transmission gear; 16. Second driving motor; 17. Feeding auger; 18. Mounting frame; 19. Handle; 20. Threaded rod; 21. Support seat; 22. Adjusting nut. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Referring to Figures 1-4 , the present utility model provides a crushing device for mine land reclamation and restoration, including:

[0030] A frame 1, with a support assembly installed at the bottom of the frame 1;

[0031] A crushing box 2, with a mounting bracket 5 fixedly connected to the top end of the frame 1, the crushing box 2 is fixedly connected to the top surface of the mounting bracket 5, a discharge port 3 is opened at the bottom of the crushing box 2, and a screening mesh 4 is detachably connected in the discharge port 3;

[0032] A crushing mechanism, installed in the crushing box 2;

[0033] A transmission mechanism, installed on the mounting bracket 5, and in transmission cooperation with the crushing mechanism;

[0034] A screening mechanism, including a screening box 6, the screening box 6 is installed on the top surface of the frame 1, and the feed inlet of the screening box 6 is correspondingly arranged with the discharge port 3 at the bottom of the crushing box 2. A conveying component is installed in the screening box 6, and a number of rows of screening holes 7 are arranged in an array at the bottom of the screening box 6. An outlet 8 is opened at one end of the bottom of the screening box 6;

[0035] A recycling mechanism, including a first recycling box 9 and a second recycling box 10 fixedly connected to the frame 1, the first recycling box 9 is correspondingly arranged with the outlet 8 at the bottom of the screening box 6, and the second recycling box 10 is correspondingly arranged with the screening holes 7 at the bottom of the screening box 6;

[0036] Among them, the mesh diameter of the screening mesh 4 is larger than the aperture of the screening holes 7.

[0037] When the utility model is in use, soil clods and stones are put into the crushing box 2. The transmission mechanism outputs power to drive the crushing mechanism to move, roll the soil clods and stones into the crushing process, and after crushing, they are preliminarily screened by the screening mesh 4. The broken pieces on the top surface of the screening mesh 4 are rolled into the crushing mechanism again for crushing. The screened materials enter the screening box 6, and the conveying component in the screening box 6 pushes the materials to move. The screening holes 7 conduct fine screening, and the materials enter the second recovery box 10. The materials that cannot pass through are pushed out from the discharge port 8 at the bottom of the screening box 6 under the action of the conveying mechanism and enter the first recovery box 9.

[0038] The utility model uses the screening mesh 4 for primary screening. The materials screened for the first time can be rolled again for crushing. The recovery box is used for secondary screening. The materials screened for the second time enter the first recovery box 9 for reflux. There is no need to clean the materials frequently, which ensures that the screening mechanism can work normally and improves the working efficiency of the device.

[0039] In a further optimized scheme, the crushing mechanism includes a number of fixing blocks 11, and a number of fixing blocks 11 are respectively fixedly connected between the opposite side surfaces of the inner wall of the crushing box 2. The fixing blocks 11 on the inner wall of the crushing box 2 are arranged in one-to-one correspondence, and the distance between any two adjacent fixing blocks 11 on the same surface is equal. Two mounting shafts are rotatably connected in parallel on the inner wall of the crushing box 2. The mounting shafts pass through the fixing blocks 11 and the side wall of the crushing box 2 and are in transmission cooperation with the transmission mechanism. A number of crushing wheels 12 are fixedly connected to the mounting shafts, and a number of crushing wheels 12 are respectively arranged between adjacent fixing blocks 11.

[0040] In a further optimized scheme, the transmission mechanism includes a first driving motor 13 fixedly connected to the top end of the mounting frame 5. A transmission 14 is installed on the output shaft of the first driving motor 13. The ends of the two mounting shafts pass through the crushing box 2 and are fixedly connected with transmission gears 15. The two transmission gears 15 are meshed with each other, and the output shaft of the transmission 14 is axially connected to one of the transmission gears 15. By the output power of the first driving motor 13, the two transmission gears 15 rotate in opposite directions, so as to roll the soil clods and crushed stones into the crushing process.

[0041] In a further optimized scheme, the conveying component includes a second driving motor 16 fixedly connected to one side of the screening box 6. A feeding auger 17 is rotatably connected in the screening box 6. One end of the feeding auger 17 passes through the side wall of the screening box 6 and is axially connected to the second driving motor 16.

[0042] In a further optimized scheme, the bottom of the crushing box 2 is symmetrically and fixedly connected with tracks, and an installation frame 18 is slidably connected between the two tracks. The screening mesh 4 is fixedly connected to the installation frame 18, and a handle 19 is fixedly connected to one side of the installation frame 18. In this embodiment, the installation frame 18 is pulled out through the handle 19, so as to replace the screening mesh 4. The aperture of the screening mesh 4 is controlled to ensure that the crushed stones larger than the aperture of the screening mesh 4 can be rolled by the crushing wheels 12.

[0043] For a further optimized solution, several groups of supporting components are installed at the bottom of the frame 1. The supporting component includes a threaded rod 20, and a supporting seat 21 is fixedly connected to the bottom of the threaded rod 20. A sliding hole is vertically formed at the bottom of the frame 1, and the top end of the threaded rod 20 is slidably connected in the sliding hole. An adjusting nut 22 is threadedly connected to the threaded rod 20, and the adjusting nut 22 is rotatably connected to the bottom of the frame 1. By adjusting the extending length of the threaded rod 20 through the adjusting nut 22, the stability of the overall device can be adjusted to ensure the stability of the device.

[0044] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0045] The embodiments described above are only used to describe the preferred mode of the present invention, rather than to limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A crushing device for mine land reclamation and restoration, characterized in that: include: A frame (1), wherein a support assembly is installed at the bottom of the frame (1); A crushing box (2), the top of the frame (1) is fixedly connected to a mounting frame (5), the crushing box (2) is fixedly connected to the top surface of the mounting frame (5), the bottom of the crushing box (2) is provided with a discharge port (3), and a detachable screening net (4) is installed in the discharge port (3); A crushing mechanism, the crushing mechanism being installed in the crushing box (2); A transmission mechanism, the transmission mechanism being mounted on the mounting frame (5), the transmission mechanism being in transmission cooperation with the pulverizing mechanism; A screening mechanism, the screening mechanism comprising a screening box (6), the screening box (6) being mounted on the top surface of the frame (1), and the feeding port of the screening box (6) being arranged corresponding to the discharging port (3) at the bottom of the crushing box (2), a conveying assembly being installed in the screening box (6), a plurality of rows of screening holes (7) being arranged in an array at the bottom of the screening box (6), and a discharging port (8) being provided at one end of the bottom of the screening box (6); The recovery mechanism comprises a first recovery box (9) and a second recovery box (10) fixedly connected to the frame (1), wherein the first recovery box (9) is arranged corresponding to the discharge port (8) at the bottom of the screening box (6), and the second recovery box (10) is arranged corresponding to the screening hole (7) at the bottom of the screening box (6); Wherein, the mesh diameter of the screening net (4) is larger than the aperture of the screening hole (7).

2. The crushing device for mine land reclamation and restoration according to claim 1 is characterized in that: The pulverizing mechanism comprises a plurality of fixed blocks (11), the plurality of fixed blocks (11) being respectively fixedly connected between two opposite side surfaces of the inner wall of the pulverizing box (2), the fixed blocks (11) on the inner wall of the pulverizing box (2) being arranged one by one, and the spacing between any two adjacent fixed blocks (11) on the same surface being equal, the inner wall of the pulverizing box (2) being rotatably connected with two mounting shafts in parallel, the mounting shafts passing through the fixed blocks (11) and the side walls of the pulverizing box (2) and being in transmission cooperation with the transmission mechanism, the mounting shafts being fixedly connected with a plurality of pulverizing wheels (12), and the plurality of pulverizing wheels (12) being respectively arranged between adjacent fixed blocks (11).

3. The crushing device for mine land reclamation and restoration according to claim 2 is characterized in that: The transmission mechanism comprises a first drive motor (13) fixedly connected to the top of the mounting frame (5); a transmission (14) is mounted on the output shaft of the first drive motor (13); the ends of the two mounting shafts pass through the crushing box (2) and are fixedly connected to transmission gears (15); the two transmission gears (15) are meshed with each other; and the output shaft of the transmission (14) is axially connected to one of the transmission gears (15).

4. The crushing device for mine land reclamation and restoration according to claim 1 is characterized in that: The conveying assembly comprises a second drive motor (16) fixedly connected to one side of the screening box (6), a feeding auger (17) rotatably connected inside the screening box (6), one end of the feeding auger (17) passing through the side wall of the screening box (6) and axially connected to the second drive motor (16).

5. The crushing device for mine land reclamation and restoration according to claim 1 is characterized by: The bottom of the crushing box (2) is symmetrically fixedly connected to a track, a mounting frame (18) is slidably connected between the two tracks, the screening net (4) is fixedly connected to the mounting frame (18), and a handle (19) is fixedly connected to one side of the mounting frame (18).

6. The crushing device for mine land reclamation and restoration according to claim 1 is characterized by: The support assembly is installed in a plurality of groups at the bottom of the frame (1), and the support assembly comprises a threaded rod (20), the bottom of the threaded rod (20) is fixedly connected to a support seat (21), a sliding hole is vertically opened at the bottom of the frame (1), the top end of the threaded rod (20) is slidably connected to the sliding hole, an adjusting nut (22) is threadedly connected to the threaded rod (20), and the adjusting nut (22) is rotatably connected to the bottom of the frame (1).