Coal testing and crushing device

Abstract

The utility model discloses a coal testing and crushing device which comprises a box body, and a feeding hole is formed in the top of the box body; the motor is mounted at the top of the box body, and an output shaft of the motor penetrates through the box body and is connected with a threaded crushing shaft; the electric push rod is installed on the upper portion of the inner side face of the box body, and the output end of the electric push rod is connected with a push plate; the anti-impact mechanism comprises an extension part, the extension part is movably arranged on the push plate, and a protective plate is arranged on the side surface of the extension part; a fixing groove is formed in the side surface of the push plate, and one end of the extending part is embedded into the fixing groove; the coal crusher has the beneficial effects that through the designed anti-impact mechanism, when coal is in contact with the threaded crushing shaft to be crushed, part of the coal collides with the protection plate, and when the protection plate is collided, the extension part is driven to move in the fixing groove and compresses the spring, and the buffering performance is improved through the spring, so that the impact on the push plate is reduced; and the service life of the push plate is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal testing, and particularly relates to a coal testing crushing device. Background Art

[0002] By inspecting and detecting the chemical composition, physical properties, energy characteristics, etc. of coal, the quality and applicable scope of coal can be evaluated, whether it meets the relevant standard requirements can be judged, thereby reducing the potential risks to equipment and the environment and ensuring production safety; A large amount of funds and interests are involved in coal procurement and sales, and coal quality is one of the important factors determining transaction prices and trade terms; Through the data and information obtained from coal testing, enterprises and traders can make more informed decisions, determine the application fields and market positions of coal, and provide a basis for reasonable pricing and sustainable operation.

[0003] A coal testing crushing device with the publication number of CN206229491U, which discloses a box body; an A motor is installed at the front part of the upper end of the box body; the output end of the A motor rotates and seals vertically downward through the outer wall of the box body; the output end of the A motor is fixedly connected with a threaded crushing shaft; an electric push rod is installed at the upper part of the rear end inside the box body; the output end of the electric push rod is fixedly connected with a push plate horizontally forward; the push plate is slidably connected with the inner wall of the box body; a horizontal support plate is arranged below the push plate; the lower end of the push plate is slidably connected with the upper end of the support plate.

[0004] When coal contacts the threaded crushing shaft and is crushed, there is a situation where some coal directly collides with the push plate, causing a strong impact on the push plate, which is likely to damage the push plate and reduce the service life of the push plate. Content of the Utility Model

[0005] The purpose of the utility model is to provide a coal testing crushing device, which can reduce the impact on the push plate and extend the service life of the push plate.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A coal testing crushing device, comprising

[0007] A box body, and a feed inlet is opened at the top of the box body;

[0008] A motor, which is installed at the top of the box body, and the output shaft of the motor penetrates through the box body and is connected with a threaded crushing shaft;

[0009] An electric push rod, which is installed at the upper part of the inner side surface of the box body, and the output end of the electric push rod is connected with a push plate;

[0010] An anti-impact mechanism, which includes an extension part, the extension part is movably arranged on the push plate, and a protective plate is arranged on the side surface of the extension part.

[0011] Preferably, a fixing groove is formed on the side surface of the push plate. One end of the extension part is embedded in the fixing groove, and the other end extends out of the fixing groove. A spring connected to the embedded end of the extension part is arranged at the bottom of the fixing groove.

[0012] Preferably, guide rods are arranged on the side surface of the guard plate, and sliding grooves for the guide rods to slide are formed on the side surface of the push plate.

[0013] Preferably, it further includes a support plate which is installed on the inner side surface of the box body and is located below the electric push rod. An arc-shaped opening corresponding to the threaded crushing shaft is formed at one end of the support plate.

[0014] Preferably, fastening ears are arranged on the outer side surface of the support plate, and the fastening ears are installed on the inner side surface of the box body.

[0015] Preferably, a feed door is hinged on the outside of the feed port at the top of the box body. A baffle is installed on the front surface of the box body, and a protective door is hinged on the lower part of the front surface of the baffle.

[0016] Preferably, a material retaining plate is installed on the lower part of the inner side surface of the box body. A support seat is installed on the inner bottom of the box body, and a material box is slidably arranged on the support seat.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] Through the designed impact-resistant mechanism, when coal contacts the threaded crushing shaft and is crushed, part of the coal collides with the guard plate. When the guard plate is impacted, it drives the extension part to move in the fixing groove and compresses the spring. The spring increases the buffering performance, reduces the impact on the push plate, and helps to extend the service life of the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic partial cross-sectional structural diagram of the present utility model;

[0021] Figure 3 is of the present utility model Figure 2 the enlarged structural diagram of area E in;

[0022] Figure 4 is a schematic three-dimensional structural diagram of the support plate of the present utility model;

[0023] In the figure: 1. Box body; 11. Feeding door; 12. Feeding port; 13. Electric push rod; 14. Baffle plate; 2. Motor; 21. Threaded crushing shaft; 3. Baffle; 31. Protection door; 4. Push plate; 41. Slide groove; 42. Fixed groove; 420. Spring; 5. Support plate; 51. Fastening ear; 6. Support seat; 7. Material box; 8. Extension part; 81. Protection plate; 810. Guide rod. Detailed implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0025] Embodiment 1

[0026] Please refer to Figures 1 - 4 , which is the first embodiment of the present invention. This embodiment provides a coal testing and crushing device, including

[0027] Box body 1, with a feeding port 12 opened at the top of the box body 1. When testing coal, large pieces of coal are put in from the feeding port 12;

[0028] Motor 2, which is fixedly installed on the top of the box body 1, and the output shaft of the motor 2 penetrates the box body 1 and is connected with a threaded crushing shaft 21. When the motor 2 works, it can drive the threaded crushing shaft 21 to rotate, and the coal contacts the rotating threaded crushing shaft 21 and is crushed;

[0029] Electric push rod 13, which is fixedly installed on the upper inner side of the box body 1, realizing the addition of the electric push rod 13, and the output end of the electric push rod 13 is connected with a push plate 4. When the electric push rod 13 works, it can drive the push plate 4 to move left and right. When the push plate 4 moves, it can push the coal closer to the threaded crushing shaft 21;

[0030] Impact resistance mechanism, the impact resistance mechanism includes an extension part 8, the extension part 8 is movably arranged on the push plate 4, and a protection plate 81 is arranged on the side surface of the extension part 8. A fixed groove 42 is opened on the side surface of the push plate 4, realizing the opening of the fixed groove 42. One end of the extension part 8 is embedded in the fixed groove 42, and the other end extends out of the fixed groove 42. A spring 420 connected to the embedded end of the extension part 8 is arranged at the bottom of the fixed groove 42. When the coal contacts the threaded crushing shaft 21 and is crushed, part of the coal collides with the protection plate 81. When the protection plate 81 is impacted, it drives the extension part 8 to move in the fixed groove 42 and compresses the spring 420. The performance of buffering is increased through the spring 420, reducing the impact on the push plate 4 and helping to extend the service life of the push plate 4.

[0031] In this embodiment, preferably, a guide rod 810 is provided on the side surface of the guard plate 81, realizing the addition of the guide rod 810. A sliding groove 41 for the guide rod 810 to slide is formed on the side surface of the push plate 4. When the guard plate 81 moves due to a collision, it drives the guide rod 810 to slide in the sliding groove 41, increasing the stability of the movement of the guard plate 81.

[0032] In this embodiment, preferably, it further includes a support plate 5. The support plate 5 is installed on the inner side surface of the box body 1 and is located below the electric push rod 13. When performing a test on coal, large pieces of coal are put in from the feed inlet 12. The coal put in falls on the support plate 5. An arc-shaped opening corresponding to the threaded crushing shaft 21 is formed at one end of the support plate 5. The coal contacts the threaded crushing shaft 21 and is crushed, and then falls through the space in front of the support plate 5.

[0033] In this embodiment, preferably, a fastening ear 51 is provided on the outer side surface of the support plate 5, realizing the addition of the fastening ear 51. And the fastening ear 51 is installed on the inner side surface of the box body 1 by screws. By fixing the fastening ear 51 and the box body 1, the stable installation of the support plate 5 is realized.

[0034] In this embodiment, preferably, a feed door 11 is hinged on the top of the box body 1 outside the feed inlet 12. The feed door 11 enhances the protection of the feed inlet 12. A baffle 3 is installed on the front surface of the box body 1. The baffle 3 enhances the protection of the interior of the box body 1. And a protection door 31 is hinged on the lower part of the front surface of the baffle 3. The protection door 31 can be opened, increasing the convenience of use.

[0035] Embodiment 2

[0036] Please refer to Figures 1 - 4 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment. The difference is:

[0037] A baffle plate 14 is installed on the lower part of the inner side surface of the box body 1. A support seat 6 is installed on the defined inner bottom of the box body 1, realizing the addition of the support seat 6. And a material box 7 is slidably arranged on the support seat 6. The crushed coal falls into the material box 7 for collection; the baffle plate 14 further enhances the guiding of the crushed coal.

[0038] It should be supplemented and explained that: the specific structures and working principles of the motor 2, the support plate 5, the electric push rod 13, and the threaded crushing shaft 21 in this application have been disclosed in the coal testing crushing device with the publication number CN206229491U.

[0039] Working principle and usage process of the utility model: During use, open the feeding door 11, and put large pieces of coal into the pallet 5 from the feeding port 12. When the electric push rod 13 works, it can drive the push plate 4 to move left and right. When the push plate 4 moves, it pushes the coal close to the threaded crushing shaft 21 through the guard plate 81. The motor 2 works to drive the threaded crushing shaft 21 to rotate, and the coal contacts the rotating threaded crushing shaft 21 and is crushed. The crushed coal falls into the material box 7 for collection. When it is necessary to take out the crushed coal for testing, open the protection door 31 and pull out the material box 7 from the support seat 6.

[0040] Although the embodiments of the present utility model have been shown and described, see the above detailed description. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A coal testing and pulverizing device, characterized in that: including a box body (1), the top of the box body (1) is provided with a feed inlet (12); a motor (2), the motor (2) is installed on the top of the box body (1), and the output shaft of the motor (2) penetrates through the box body (1) and is connected with a threaded crushing shaft (21); an electric push rod (13), the electric push rod (13) is installed on the upper part of the inner side surface of the box body (1), and the output end of the electric push rod (13) is connected with a push plate (4); an anti-impact mechanism, the anti-impact mechanism includes an extension part (8), the extension part (8) is movably arranged on the push plate (4), and a protection plate (81) is arranged on the side surface of the extension part (8).

2. The coal testing and crushing device according to claim 1, wherein: A fixing groove (42) is formed in the side surface of the push plate (4), one end of the extension part (8) is embedded in the fixing groove (42), the other end extends out of the fixing groove (42), and a spring (420) connected with the embedded end of the extension part (8) is arranged at the bottom of the fixing groove (42).

3. A coal analysis and crushing device according to claim 1, characterized in that: A guide rod (810) is arranged on the side surface of the protection plate (81), and a sliding groove (41) for the guide rod (810) to slide is formed in the side surface of the push plate (4).

4. A coal testing and crushing device according to claim 1, characterized in that: It further includes a support plate (5), the support plate (5) is installed on the inner side surface of the box body (1), and the support plate (5) is located below the electric push rod (13). An arc-shaped opening corresponding to the threaded crushing shaft (21) is formed at one end of the support plate (5).

5. The coal testing and crushing device according to claim 4, wherein: A fastening ear (51) is arranged on the outer side surface of the support plate (5), and the fastening ear (51) is installed on the inner side surface of the box body (1).

6. The coal testing and crushing device according to claim 1, characterized in that: A feed door (11) is hinged on the top of the box body (1) outside the feed inlet (12), a baffle (3) is installed on the front surface of the box body (1), and a protection door (31) is hinged on the lower part of the front surface of the baffle (3).

7. A coal testing and crushing device according to claim 1, characterized in that: A material blocking plate (14) is installed on the lower part of the inner side surface of the box body (1), a support seat (6) is installed on the inner bottom of the box body (1), and a material box (7) is slidably arranged on the support seat (6).

Images