Crushing device for coal test

Abstract

The utility model discloses a crushing device for coal test, and relates to the technical field of coal crushing, the crushing device comprises a crushing box body, the bottom end of the crushing box body is provided with a bottom plate, the middle position of the top end of the bottom plate is provided with a plurality of electric telescopic rods, and the top ends of the electric telescopic rods are connected with a placing plate; and four grooves are formed in the top end of the containing plate, sampling cylinders are arranged above the grooves, and a collecting cylinder is installed on the lower portion of the interior of the smashing box body. According to the coal crushing device disclosed by the utility model, through the arrangement of the collecting cylinder, after coal is crushed by utilizing a driven crushing roller and a driving crushing roller, a rotating rod and a scraping plate can be driven to rotate by utilizing the driving of a driving motor, so that crushed coal powder can penetrate through a plurality of through grooves and fall into a sampling cylinder to be collected; therefore, multiple sampling effects of the device can be realized, the subsequent test process is facilitated, and the working efficiency of the device and the accuracy of test data are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal crushing, in particular to a crushing device for coal testing. Background Art

[0002] In the process of testing and inspecting coal, it is necessary to pre-process the coal in advance, among which crushing is an indispensable part. After the coal is crushed by using the corresponding crushing device, it is convenient to directly test the coal powder in the subsequent process. However, in order to improve the testing effect of coal and ensure the accuracy of the test results, multiple sampling tests are required. The existing coal crushing device lacks the function of automatically performing multiple sampling, which affects the subsequent test efficiency and quality. Utility Model Content

[0003] The utility model aims to provide a pulverizing device for coal testing to solve the problem of automatic multiple sampling proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal testing pulverizing device, comprising a pulverizing box, a bottom plate is installed at the bottom end of the pulverizing box, and a plurality of electric telescopic rods are installed at the middle position of the top end of the bottom plate, the top end of the electric telescopic rod is connected to a placement plate, and the top end of the placement plate is provided with four grooves, a sampling cylinder is provided above the groove, a collecting cylinder is installed at the bottom of the pulverizing box, and the bottom end of the collecting cylinder is provided with four through grooves, a driving motor is installed at the bottom end of the collecting cylinder, and the output end of the driving motor passes through the bottom end of the collecting cylinder and is connected to a rotating rod, the rotating rod Scrapers are installed on both sides of the moving rod, and the bottom ends of the scrapers are in contact with the bottom end of the collecting cylinder. Two baffles are installed above the inside of the crushing box, and a feed port is opened at the top of the crushing box. A crushing motor is installed above one end of the crushing box, and the output end of the crushing motor is connected to an active rod, a driving circular gear is installed on the outside of the active rod, and one end of the active rod passes through one end of the crushing box and is connected to an active crushing roller, a driven rod is installed above one end of the crushing box, and a driven circular gear is installed on the outside of the driven rod, and one end of the driven rod passes through one end of the crushing box and is connected to a driven crushing roller.

[0005] Preferably, the driven crushing roller and the active crushing roller are located at the same height, and are symmetrical about the vertical center axis of the collecting cylinder. The driven crushing roller and the active crushing roller are arranged directly above the collecting cylinder, and the internal diameter of the collecting cylinder is larger than the length of the active crushing roller and the driven crushing roller.

[0006] Preferably, the baffle is arranged at both ends of the driven crushing roller and the active crushing roller, and the bottom end of the baffle is in contact with the top end of the collecting cylinder.

[0007] Preferably, the driving circular gear and the driven circular gear are located at the same height, and the outer sides of the driving circular gear and the driven circular gear are meshed.

[0008] Preferably, the placement plate is arranged at the lower part of the pulverizing box body, the through groove is arranged just above the groove, and the inner diameter of the through groove is smaller than the inner diameter of the sampling tube.

[0009] Preferably, mounting blocks are provided on both sides above the interior of the crushing box, and a cleaning brush is installed inside the mounting blocks, spring blocks are installed around one side of the mounting block, and one end of the spring block is connected to the inner wall of the crushing box by welding, a positioning rod is installed at the central position of one side of the mounting block, and an insertion rod is installed at the middle position above both sides of the interior of the crushing box.

[0010] Preferably, one end of the insertion rod passes through one end of the positioning rod and extends into the interior of the positioning rod, and the outer side of the insertion rod contacts the inner wall of the positioning rod. One side of the mounting block is arc-shaped, and the two mounting blocks are respectively arranged on one side of the driven crushing roller and the active crushing roller.

[0011] Preferably, the cleaning brush is in an arc shape, and the outer side of the cleaning brush and the surfaces of the driven crushing roller and the active crushing roller are in contact.

[0012] Compared with the related art, the coal testing crushing device provided by the utility model has the following beneficial effects:

[0013] The utility model provides a collecting cylinder and a sampling cylinder. By providing the collecting cylinder, after the coal is crushed by the driven crushing roller and the active crushing roller, the driving motor can be used to drive the rotating rod and the scraper to rotate, so that the crushed coal powder can pass through multiple through grooves and fall into the sampling cylinder for collection. In this way, multiple sampling effects of the device can be achieved, which is convenient for the subsequent testing process and improves the working efficiency of the device and the accuracy of the test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0017] Figure 4 It is a schematic diagram of the top view structure of the collecting tube of the utility model.

[0018] In the figure: 1. crushing box; 2. groove; 3. driving motor; 4. placement plate; 5. electric telescopic rod; 6. bottom plate; 7. sampling tube; 8. collecting tube; 9. mounting block; 10. positioning rod; 11. spring block; 12. driven crushing roller; 13. active crushing roller; 14. cleaning brush; 15. insertion rod; 16. baffle; 17. feeding port; 18. crushing motor; 19. active rod; 20. active circular gear; 21. driven rod; 22. driven circular gear; 23. rotating rod; 24. scraper; 25. through groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Example 1: Please refer to Figure 1-4 A coal testing pulverizing device comprises a pulverizing box 1, a bottom plate 6 is installed at the bottom end of the pulverizing box 1, and a plurality of electric telescopic rods 5 are installed at the middle position of the top of the bottom plate 6, the top of the electric telescopic rod 5 is connected to a placement plate 4, and the top of the placement plate 4 is provided with four grooves 2, and a sampling tube 7 is arranged above the groove 2, a collecting tube 8 is installed at the bottom of the pulverizing box 1, and four through grooves 25 are arranged at the bottom end of the collecting tube 8, a driving motor 3 is installed at the bottom end of the collecting tube 8, and the output end of the driving motor 3 passes through the bottom end of the collecting tube 8 and is connected to a rotating rod 23, scrapers 24 are installed on both sides of the rotating rod 23, and the scrapers 24 The bottom end of the crushing box 1 contacts the bottom end of the collecting tube 8, two baffles 16 are installed above the inside of the crushing box 1, and a feeding port 17 is opened at the top of the crushing box 1, a crushing motor 18 is installed above one end of the crushing box 1, and an active rod 19 is connected to the output end of the crushing motor 18, a driving circular gear 20 is installed on the outside of the active rod 19, and one end of the active rod 19 passes through one end of the crushing box 1 and is connected to an active crushing roller 13, a driven rod 21 is installed above one end of the crushing box 1, and a driven circular gear 22 is installed on the outside of the driven rod 21, and one end of the driven rod 21 passes through one end of the crushing box 1 and is connected to a driven crushing roller 12;

[0021] The driven crushing roller 12 and the active crushing roller 13 are located at the same height, and the driven crushing roller 12 and the active crushing roller 13 are symmetrical about the vertical center axis of the collecting cylinder 8. The driven crushing roller 12 and the active crushing roller 13 are arranged directly above the collecting cylinder 8, and the inner diameter of the collecting cylinder 8 is larger than the length of the active crushing roller 13 and the driven crushing roller 12;

[0022] The baffle 16 is arranged at both ends of the driven crushing roller 12 and the active crushing roller 13, and the bottom end of the baffle 16 is in contact with the top end of the collecting cylinder 8;

[0023] The driving circular gear 20 and the driven circular gear 22 are located at the same height, and the outer sides of the driving circular gear 20 and the driven circular gear 22 are meshed;

[0024] The placement plate 4 is arranged at the lower part of the crushing box 1, and the through groove 25 is arranged just above the groove 2, and the inner diameter of the through groove 25 is smaller than the inner diameter of the sampling tube 7;

[0025] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, during the use of the device, first, the device is provided with a crushing motor 18, and the crushing motor 18 can drive the active rod 19 to rotate. By utilizing the meshing relationship between the active circular gear 20 and the driven circular gear 22, the driven rod 21 can be rotated under the rotation of the active rod 19, and the rotation directions are opposite, so that the driven crushing roller 12 and the active crushing roller 13 can be rotated, and the rotation directions are opposite. In this way, the staff can put the coal blocks to be tested into the crushing box 1 through the feed port 17, and then use the driven crushing roller 12 and the active crushing roller 13 to crush them, and then the crushed coal powder can be sent to the driven crushing roller 12 and the active crushing roller 13 under the action of gravity. The coal powder is collected by the collecting tube 8 and the collecting tube 8 is automatically collected by the collecting tube 8. The collecting tube 8 is automatically collected by the collecting tube 8 and the collecting tube 8 is automatically collected by the collecting tube 8. The collecting tube 8 is automatically collected by the collecting tube 8 and the collecting tube 8 is automatically collected by the collecting tube 8. The collecting tube 8 is automatically collected by the collecting tube 8 and the collecting tube 8 is automatically collected by the collecting tube 8. The collecting tube 8 is automatically collected by the collecting tube 8 and the collecting tube 8 is automatically collected by the collecting tube 8.

[0026] Embodiment 2: Mounting blocks 9 are provided on both sides of the upper part of the crushing box 1, and a cleaning brush 14 is installed inside the mounting block 9, spring blocks 11 are installed around one side of the mounting block 9, and one end of the spring block 11 is connected to the inner wall of the crushing box 1 by welding, a positioning rod 10 is installed at the central position of one side of the mounting block 9, and an insertion rod 15 is installed at the middle position of the upper part of both sides of the crushing box 1;

[0027] One end of the insertion rod 15 passes through one end of the positioning rod 10 and extends to the inside of the positioning rod 10, and the outer side of the insertion rod 15 contacts the inner wall of the positioning rod 10. The shape of one side of the mounting block 9 is arc-shaped, and the two mounting blocks 9 are respectively arranged on one side of the driven crushing roller 12 and the active crushing roller 13;

[0028] The cleaning brush 14 is in an arc shape, and the outer side of the cleaning brush 14 is in contact with the surfaces of the driven crushing roller 12 and the active crushing roller 13;

[0029] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, in order to improve the working efficiency and stability of the device, the device is provided with a mounting block 9. During the pulverizing process by utilizing the rotation of the driven pulverizing roller 12 and the active pulverizing roller 13, the device is provided with a mounting block 9. Under the elastic action of the spring block 11 on the mounting block 9, the cleaning brush 14 can be stably attached to the surfaces of the driven pulverizing roller 12 and the active pulverizing roller 13. During the rotation of the driven pulverizing roller 12 and the active pulverizing roller 13, the cleaning brush 14 can automatically clean them, thereby cleaning the powder remaining on their surfaces, thereby improving the stability and service life of the device.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. 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 order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal testing pulverizing device, comprising a pulverizing box (1), characterized in that: A bottom plate (6) is installed at the bottom end of the crushing box (1), and a plurality of electric telescopic rods (5) are installed at the middle position of the top end of the bottom plate (6). The top end of the electric telescopic rod (5) is connected to a placement plate (4), and the top end of the placement plate (4) is provided with four grooves (2). A sampling tube (7) is arranged above the groove (2). A collecting tube (8) is installed at the bottom of the crushing box (1), and four through grooves (25) are arranged at the bottom end of the collecting tube (8). A driving motor (3) is installed at the bottom end of the collecting tube (8), and the output end of the driving motor (3) passes through the bottom end of the collecting tube (8) and is connected to a rotating rod (23). Scrapers (24) are installed on both sides of the rotating rod (23), and the bottom end of the scraper (24) and the collecting tube (8) are connected. ) are in contact with the bottom ends of the interior of the pulverizing box (1), two baffles (16) are installed above the interior of the pulverizing box (1), and a feed port (17) is opened at the top of the pulverizing box (1), a pulverizing motor (18) is installed above one end of the pulverizing box (1), and the output end of the pulverizing motor (18) is connected to an active rod (19), an active circular gear (20) is installed on the outside of the active rod (19), and one end of the active rod (19) passes through one end of the pulverizing box (1) and is connected to an active pulverizing roller (13), a driven rod (21) is installed above one end of the pulverizing box (1), and a driven circular gear (22) is installed on the outside of the driven rod (21), and one end of the driven rod (21) passes through one end of the pulverizing box (1) and is connected to a driven pulverizing roller (12).

2. A coal testing pulverizing device according to claim 1, characterized in that: The driven crushing roller (12) and the active crushing roller (13) are located at the same height, and the driven crushing roller (12) and the active crushing roller (13) are symmetrical about the vertical center axis of the collecting cylinder (8). The driven crushing roller (12) and the active crushing roller (13) are arranged directly above the collecting cylinder (8), and the inner diameter of the collecting cylinder (8) is larger than the length of the active crushing roller (13) and the driven crushing roller (12).

3. A coal testing pulverizing device according to claim 1, characterized in that: The baffle (16) is arranged at both ends of the driven crushing roller (12) and the active crushing roller (13), and the bottom end of the baffle (16) is in contact with the top end of the collecting cylinder (8).

4. A coal testing pulverizing device according to claim 1, characterized in that: The driving circular gear (20) and the driven circular gear (22) are located at the same height, and the outer sides of the driving circular gear (20) and the driven circular gear (22) are meshed.

5. A coal testing pulverizing device according to claim 1, characterized in that: The placement plate (4) is arranged at the lower part of the pulverizing box (1), the through groove (25) is arranged just above the groove (2), and the inner diameter of the through groove (25) is smaller than the inner diameter of the sampling tube (7).

6. A coal testing pulverizing device according to claim 1, characterized in that: Mounting blocks (9) are provided on both sides of the upper part of the crushing box (1), and a cleaning brush (14) is installed inside the mounting block (9). Spring blocks (11) are installed around one side of the mounting block (9), and one end of the spring block (11) is connected to the inner wall of the crushing box (1) by welding. A positioning rod (10) is installed at the central position of one side of the mounting block (9), and an insertion rod (15) is installed at the middle position of the upper part of both sides of the crushing box (1).

7. A coal testing pulverizing device according to claim 6, characterized in that: One end of the insertion rod (15) passes through one end of the positioning rod (10) and extends into the interior of the positioning rod (10), and the outer side of the insertion rod (15) contacts the inner wall of the positioning rod (10). One side of the mounting block (9) is in an arc shape, and the two mounting blocks (9) are respectively arranged on one side of the driven crushing roller (12) and the active crushing roller (13).

8. A coal testing pulverizing device according to claim 6, characterized in that: The cleaning brush (14) is in an arc shape, and the outer side of the cleaning brush (14) and the surfaces of the driven crushing roller (12) and the active crushing roller (13) are in contact.

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