Open pit coal mine screening equipment
By using multiple vibrating motors and bidirectional moving components in the open-pit coal mine screening equipment, the problem of coal mine blockage during vibration screening was solved, achieving a highly efficient screening effect.
Patent Information
- Application Number
- CN202423137312.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing open-pit coal mine screening machines are prone to clogging of the screening holes due to the low vibration frequency of the vibrating motor during the vibration screening process, resulting in a decrease in screening efficiency.
An open-pit coal mine screening device was designed, which uses multiple vibrating motors and bidirectional moving components. Through the coordinated movement of vibration and screening plates, the screening effect is improved and coal mine blockage is prevented.
It effectively prevents coal mines from clogging the screening holes and improves screening efficiency.
Smart Images
Figure CN223629000U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of screening, specifically is a kind of open coal mine screening equipment. BACKGROUND
[0002] Coal mine is the area that human extracts coal resources in coal-rich mining area, and open coal mine is when coal seam is close to ground surface, directly stripping ground surface soil layer and excavating coal;Existing open coal mine uses screening machine to screen coal mine after mining.
[0003] And the screening machine in the prior art is usually vibrated by vibration motor to screen the coal on the top of the screening machine during use, but the vibration frequency of the vibration motor is small, so that some large coal may block the screening hole during vibration, thereby reducing the screening efficiency of the coal, so a kind of open coal mine screening equipment is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides an open coal mine screening equipment, which can improve the screening effect of coal mine, effectively prevent coal from blocking the screening hole during screening, and has other advantages, solves the problem that the screening machine in the prior art is usually vibrated by vibration motor to screen the coal on the top of the screening machine during use, but the vibration frequency of the vibration motor is small, so that some large coal may block the screening hole during vibration, thereby reducing the screening efficiency of the coal.
[0006] (II) technical scheme
[0007] The technical scheme for solving the above technical problems is as follows: an open coal mine screening equipment, comprising a supporting bottom plate, a connecting member is fixedly connected to the top of the supporting bottom plate, a screening box is fixedly connected to the top of the connecting member, a screening plate is rotatably connected to the inner side of the screening box, a bidirectional moving assembly is fixedly connected to the front end of the screening box, a first hinged support is fixedly connected to the top of the bidirectional moving assembly, a sliding assembly is fixedly connected to the bottom end of the screening plate, a second hinged support is fixedly connected to the bottom end of the sliding assembly, the inner sides of the first hinged support and the second hinged support are rotatably connected with a connecting rod, and a vibration motor is fixedly connected to the bottom end of the screening box.
[0008] The utility model has the advantages of:
[0009] The open coal mine screening equipment can improve the screening effect of coal mine and effectively prevent coal from blocking the screening hole during screening.
[0010] On the basis of the above technical scheme, the utility model further can make improvement as follows.
[0011] Further, the number of the connecting members is four, the four connecting members are distributed in a rectangular array at the bottom end of the screening box, and the number of the vibration motors is multiple.
[0012] The beneficial effect of the above further scheme is that the multiple vibration motors can improve the screening effect of the device as a whole.
[0013] Further, the bottom end of the screening box is fixedly connected with a discharge box, the bottom end of the discharge box is fixedly connected with a discharge pipe, the screening plate extends to the outside of the screening box, and the number of the sliding assemblies is two.
[0014] The beneficial effect of the above further scheme is that the discharge box can facilitate discharge operation.
[0015] Further, the connecting member comprises a connecting column fixedly connected to the top end of the supporting bottom plate, the top end of the connecting column is fixedly connected with a connecting spring, and the other end of the connecting spring is fixedly connected with the outside of the screening plate.
[0016] Further, the bidirectional moving assembly comprises a moving motor fixedly connected to the front end of the screening box, the output shaft of the moving motor is fixedly connected with a bidirectional threaded rod outside, the outside of the bidirectional threaded rod is connected with a threaded sleeve through threaded transmission, the inside of the screening box is fixedly connected with a connecting shell, the bidirectional threaded rod is located inside the connecting shell, and the inside of the connecting shell is slidingly connected with the outside of the threaded sleeve.
[0017] The beneficial effect of the above further scheme is that the bidirectional moving assembly can move the connecting rod left and right.
[0018] Further, the sliding assembly comprises a sliding shell fixedly connected to the bottom end of the screening plate, the inside of the sliding shell is fixedly connected with a sliding rod, and the outside of the sliding rod is slidingly connected with a sliding block.
[0019] The beneficial effect of the above further scheme is that the sliding assembly can move the second hinged support left and right. DETAILED DESCRIPTION
[0020] Figure 1 It is a structural schematic view of the utility model;
[0021] Figure 2 It is a partial sectional view of the utility model;
[0022] Figure 3 It is a connection view of the screening box and the discharge box of the utility model;
[0023] Figure 4 This is a connection diagram of the sliding rod and sliding block of this utility model.
[0024] In the diagram: 1. Support base plate; 2. Connecting component; 21. Connecting column; 22. Connecting spring; 3. Screening box; 4. Screening plate; 5. Bidirectional moving assembly; 51. Moving motor; 52. Bidirectional threaded rod; 53. Threaded sleeve; 54. Connecting shell; 6. First hinge support; 7. Sliding assembly; 71. Sliding shell; 72. Sliding rod; 73. Sliding block; 8. Second hinge support; 9. Connecting rod; 10. Vibrating motor; 11. Discharge box; 12. Discharge pipe. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not 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 effort are within the protection scope of the present utility model.
[0026] In the embodiments, by Figures 1-4 Provided is an open-pit coal mine screening device. The present invention includes a supporting base plate 1, a connecting member 2 fixedly connected to the top of the supporting base plate 1, a screening box 3 fixedly connected to the top of the connecting member 2, a screening plate 4 rotatably connected to the inner side of the screening box 3, a bidirectional moving component 5 fixedly connected to the front end of the screening box 3, a first hinge support 6 fixedly connected to the top of the bidirectional moving component 5, a sliding component 7 fixedly connected to the bottom end of the screening plate 4, a second hinge support 8 fixedly connected to the bottom end of the sliding component 7, the inner sides of the first hinge support 6 and the second hinge support 8 are both rotatably connected to a connecting rod 9, and a vibration motor 10 fixedly connected to the bottom end of the screening box 3.
[0027] The number of connecting components 2 is four, and the four connecting components 2 are distributed in a rectangular array at the bottom of the screening box 3. The number of vibration motors 10 is multiple.
[0028] Having multiple vibrating motors 10 can improve the overall screening effect of the device, thereby improving the screening effect in coal mines.
[0029] The bottom of the screening box 3 is fixedly connected to the discharge box 11, the bottom of the discharge box 11 is fixedly connected to the discharge pipe 12, the screening plate 4 extends to the outside of the screening box 3, and there are two sliding components 7.
[0030] The discharge box 11 allows for convenient material discharge operations.
[0031] The connecting member 2 comprises a connecting column 21 fixedly connected to the top end of the support bottom plate 1, and a connecting spring 22 fixedly connected to the top end of the connecting column 21.
[0032] The bidirectional moving assembly 5 comprises a moving motor 51 fixedly connected to the front end of the screening box 3, a bidirectional threaded rod 52 fixedly connected to the output shaft of the moving motor 51, a threaded sleeve 53 threadedly connected to the outer side of the bidirectional threaded rod 52, a connecting shell 54 fixedly connected to the inner side of the screening box 3, and the bidirectional threaded rod 52 located in the connecting shell 54.
[0033] The bidirectional threaded rod 52 is rotated by starting the moving motor 51, so as to move the threaded sleeve 53 leftward and rightward.
[0034] The sliding assembly 7 comprises a sliding shell 71 fixedly connected to the bottom end of the screening plate 4, a sliding rod 72 fixedly connected to the inner side of the sliding shell 71, and a sliding block 73 slidably connected to the outer side of the sliding rod 72.
[0035] The sliding assembly 7 moves the second hinged support 8 leftward and rightward.
[0036] Working principle:
[0037] After the coal mine is placed on the top end of the screening plate 4, the screening box 3 is vibrated by starting the vibrating motor 10, so as to vibrate the coal mine on the top end of the screening plate 4, thereby performing the screening operation, and the bidirectional threaded rod 52 is rotated by starting the moving motor 51, so as to move the threaded sleeve 53 leftward and rightward, thereby swinging the screening plate 4 up and down, thereby improving the screening operation of the device on the coal mine and improving the screening effect of the coal mine.
[0038] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or sequence between the entities or operations. Moreover, the terms “include”, “contain” or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement “including a…” does not exclude the presence of another identical element in the process, method, article or device including the element.
[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A surface coal mine screening plant comprising a support floor (1) characterised in that: The top end of the supporting bottom plate (1) is fixedly connected with a connecting member (2), the top end of the connecting member (2) is fixedly connected with a screening box (3), the inner side of the screening box (3) is rotatably connected with a screening plate (4), the front end of the screening box (3) is fixedly connected with a bidirectional moving assembly (5), the top end of the bidirectional moving assembly (5) is fixedly connected with a first hinged support (6), the bottom end of the screening plate (4) is fixedly connected with a sliding assembly (7), the bottom end of the sliding assembly (7) is fixedly connected with a second hinged support (8), the inner sides of the first hinged support (6) and the second hinged support (8) are rotatably connected with a connecting rod (9), and the bottom end of the screening box (3) is fixedly connected with a vibration motor (10).
2. A coal mine screening apparatus as claimed in claim 1, wherein: The number of the connecting members (2) is four, and the four connecting members (2) are arranged in a rectangular array at the bottom end of the screening box (3).
3. A coal mine screening apparatus as claimed in claim 1, wherein: The bottom end of the screening box (3) is fixedly connected with a discharge box (11), the bottom end of the discharge box (11) is fixedly connected with a discharge pipe (12), the screening plate (4) extends to the outside of the screening box (3), and the number of the sliding assemblies (7) is two.
4. A coal mine screening apparatus as claimed in claim 1, wherein: The connecting member (2) comprises a connecting column (21) fixedly connected to the top end of the supporting bottom plate (1), the top end of the connecting column (21) is fixedly connected with a connecting spring (22), and the other end of the connecting spring (22) is fixedly connected with the outer side of the screening plate (4).
5. A coal mine screening apparatus as claimed in claim 1, characterised in that: The bidirectional moving assembly (5) comprises a moving motor (51) fixedly connected to the front end of the screening box (3), the output shaft of the moving motor (51) is fixedly connected with a bidirectional threaded rod (52) outside, the outer side of the bidirectional threaded rod (52) is connected with a threaded sleeve (53) through threaded transmission, the inner side of the screening box (3) is fixedly connected with a connecting shell (54), the bidirectional threaded rod (52) is located on the inner side of the connecting shell (54), and the inner side of the connecting shell (54) is slidably connected with the outer side of the threaded sleeve (53).
6. A coal mine screening apparatus as claimed in claim 1, characterised in that: The sliding assembly (7) comprises a sliding shell (71) fixedly connected to the bottom end of the screening plate (4), the inner side of the sliding shell (71) is fixedly connected with a sliding rod (72), and the outer side of the sliding rod (72) is slidably connected with a sliding block (73).