Crushing device for coal sample preparation

Abstract

The utility model discloses a crushing device for coal sample preparation, and particularly relates to the field of coal crushing, which comprises a main body, a shaft lever is rotatably connected in the main body, two gears are fixedly mounted at one end of the shaft lever, the two gears are meshed with each other, a motor is fixedly mounted on one side of the main body, and the motor is connected with the shaft lever. The gear is fixedly installed at the output end of the motor, a smashing roller is fixedly installed at the end, away from the gear, of the shaft rod and rotationally connected to the inner wall of the body, a first hopper is fixedly installed in the body, and a sliding way is fixedly installed at the bottom of the body. According to the coal recycling and storing device, the sliding way and the storage boxes are arranged, the multiple storage boxes are placed at the top of the sliding way, crushed coal is stored through the storage boxes, after the crushed coal is stored to a certain weight, the crushed coal slides out from the inner side of the sliding way under the rolling action of the rolling wheels, and the subsequent storage boxes slide forwards to continue recycling and storing the coal.

Description

Technical Field

[0001] The utility model relates to the technical field of coal crushing, and more specifically, to a coal sample preparation crushing device. Background Art

[0002] At present, the coal sample preparation strictly implements the relevant regulations of the standard GB474-2008 "Methods for the Preparation of Coal Samples". The sample preparation mainly includes steps such as crushing, mixing, reduction, moisture determination, and preparation of quality analysis samples. Among them, crushing is a relatively important link. The purpose of crushing is to reduce the particle size of coal samples, increase the dispersion of various particles in the sample, and reduce the reduction error. After the existing coal crushing devices complete the crushing of coal, it is not convenient to recycle, store, and transfer the coal, thus increasing the labor intensity and reducing the work efficiency at the same time.

[0003] According to a rotary coal drying and crushing device disclosed in the Chinese utility model publication specification CN205641857U, the rotary coal drying and crushing device includes a coal drying and crushing barrel, a drying system, and a crushing system, and the drying system and the crushing system are both installed in the coal drying and crushing barrel. This device can be used as a coal sample preparation acceptance device and at the same time as a coal drying and quality improvement device, which can effectively solve the problem of coal blockage in the existing sample preparation system when the coal has a large moisture content, and can achieve the purpose of synchronous drying of coal samples. However, this setting is not convenient for recycling, storing, and transferring the coal after the coal is crushed, thus increasing the labor intensity and reducing the work efficiency at the same time. Therefore, in view of this problem, how to design a coal sample preparation crushing device has become a problem that we need to solve currently. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a coal sample preparation crushing device. By setting a slideway and a storage box, a plurality of storage boxes are placed on the top of the slideway. The storage boxes store the crushed coal. After storing a certain weight, under the rolling action of rollers, the storage boxes slide out from the inner side of the slideway, and the subsequent storage boxes slide forward to continue recycling and storing the coal to solve the problems raised in the above background art.

[0005] To achieve the above object, the present utility model provides the following technical solution: A coal sample preparation crushing device, including a main body, a shaft rod is rotatably connected inside the main body, a gear is fixedly installed at one end of the shaft rod, the number of the gears is set to two, and the two gears are arranged in a meshing state with each other. A motor is fixedly installed on one side of the main body, and the gear is fixedly installed at the output end of the motor. A crushing roller is fixedly installed at the end of the shaft rod away from the gear, and the crushing roller is rotatably connected to the inner wall of the main body. A first funnel is fixedly installed inside the main body, a slideway is fixedly installed at the bottom of the main body, a storage box is slidably connected inside the main body, and a sleeve is fixedly installed on the inner wall of the storage box.

[0006] In a preferred embodiment, a positioning column is slidably connected to the inner wall of the sleeve, and a first spring is provided at the bottom of the storage box.

[0007] In a preferred embodiment, a base is fixedly installed at the bottom of the positioning column, the first spring is fixedly installed at the top of the base, and a support frame is rotatably connected to the bottom of the base.

[0008] In a preferred embodiment, a roller is rotatably connected to the inner side of the support frame, the roller is slidably connected to the inner side of the slideway, and a fixing block is fixedly installed on one side of the storage box.

[0009] In a preferred embodiment, a small pulley is rotatably connected to the inside of the fixing block, a baffle is fixedly installed on the inner wall of the main body, and the small pulley is arranged in a fitting state with the baffle.

[0010] In a preferred embodiment, a second funnel is fixedly installed at the top of the main body, and a guide plate is fixedly installed on the inner wall of the main body.

[0011] In a preferred embodiment, a dust-proof door is hinged to the inner wall of the main body, a second spring is provided at the bottom of the dust-proof door, and the second spring is fixedly installed on the inner wall of the main body.

[0012] The technical effects and advantages of the present utility model:

[0013] 1. By setting the slideway and the storage box, multiple storage boxes are placed on the top of the slideway. The storage boxes store the crushed coal. After storing a certain weight, under the rolling action of the rollers, they slide out from the inner side of the slideway. The subsequent storage boxes slide forward to continue recycling and storing the coal, thereby realizing timely recycling and storage of the crushed coal and achieving quantitative storage to improve the convenience of coal transfer.

[0014] 2. By providing a dust-proof door and a second spring in the present utility model, when coal is placed on the top of the dust-proof door, the dust-proof door will flip downward under the weight of the coal, and at the same time, the second spring will contract. When all the coal enters the main body, the second spring will stretch to urge the dust-proof door to reset, thereby avoiding the phenomenon of coal slag popping out and dust scattering during coal crushing, thus avoiding personal injury and reducing air pollution at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front structural sectional view of the present utility model.

[0016] Figure 2 For the present utility model Figure 1 is an enlarged view of the structure of part A of the present utility model.

[0017] Figure 3 For the present utility model Figure 1 is an enlarged view of the structure of part B of the present utility model.

[0018] The reference numerals are: 1, main body; 2, shaft rod; 3, gear; 4, crushing roller; 5, motor; 6, first funnel; 7, slideway; 8, storage box; 9, sleeve; 10, positioning column; 11, first spring; 12, base; 13, support frame; 14, roller; 15, fixing block; 16, small pulley; 17, baffle; 18, second funnel; 19, guide plate; 20, dust-proof door; 21, second spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] 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 the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0020] Referring to the attached Figures 1-3 , as Figure 1 shown, a coal sample preparation and crushing device in an embodiment of the present utility model includes a main body 1. A shaft rod 2 is rotatably connected inside the main body 1. One end of the shaft rod 2 is fixedly installed with a gear 3. The number of gears 3 is set to two, and the two gears 3 are arranged in a meshing state with each other. One side of the main body 1 is fixedly installed with a motor 5. The gear 3 is fixedly installed at the output end of the motor 5. The end of the shaft rod 2 away from the gear 3 is fixedly installed with a crushing roller 4. The crushing roller 4 is rotatably connected to the inner wall of the main body 1. A first funnel 6 is fixedly installed inside the main body 1. A slideway 7 is fixedly installed at the bottom of the main body 1. A storage box 8 is slidably connected to the inner side of the main body 1. As Figure 2As shown, a sleeve 9 is fixedly installed on the inner wall of the storage box 8. A positioning column 10 is slidably connected to the inner wall of the sleeve 9. A first spring 11 is provided at the bottom of the storage box 8.

[0021] It should be noted that, among them, this application can crush coal with a feeding particle size of 25mm - 15mm. When crushing the coal, the motor 5 is started to make the gear 3 rotate and mesh with the gear 3 on the other side, so as to drive the corresponding crushing rollers 4 at both sides by the shaft rods 2 at both sides to rotate. The coal is poured into the inner side of the second funnel 18. At this time, the dust-proof doors 20 on both sides are opened, so that the coal falls into the interior of the main body 1. The coal entering the interior of the main body 1 contacts the guide plates 19 on both sides and converges at the middle part between the crushing rollers 4 on both sides under the guidance of the guide plates 19, so as to crush the coal by the crushing rollers 4. The crushed coal falls and falls into the interior of the storage box 8 under the guidance of the first funnel 6, so as to recycle the crushed coal. As the coal in the storage box 8 gradually increases, the overall weight of the storage box 8 increases, pressing the first spring 11 to contract, and the positioning column 10 slides into the interior of the sleeve 9 at the same time. When the storage box 8 descends, the small pulley 16 slides downward on one side of the baffle 17. When the fixed block 15 is lower than the baffle 17, the storage box 8 loses its limit, and the roller 14 rotates, so that the storage box 8 slides to one side inside the slideway 7. At this time, the coal in the storage box 8 is filled to an appropriate weight, and the storage box 8 can be transferred. By placing multiple storage boxes 8 inside the slideway 7, when the full storage box 8 slides out from the inside of the slideway 7, the subsequent storage box 8 slides into the inside of the main body 1, and the fixed block 15 is limited by the baffle 17, so as to limit the storage box 8, and then it can stop sliding and load coal, so as to realize the timely recovery and storage of the crushed coal and realize quantitative storage to improve the convenience of coal transfer.

[0022] Further, as Figure 2 shown, a base 12 is fixedly installed at the bottom of the positioning column 10. The first spring 11 is fixedly installed on the top of the base 12. A support frame 13 is rotatably connected to the bottom of the base 12. A roller 14 is rotatably connected to the inside of the support frame 13. The roller 14 is slidably connected to the inside of the slideway 7. A fixed block 15 is fixedly installed on one side of the storage box 8. A small pulley 16 is rotatably connected to the inside of the fixed block 15. A baffle 17 is fixedly installed on the inner wall of the main body 1. The small pulley 16 is arranged in a fitting manner with the baffle 17. As Figure 1 shown, a second funnel 18 is fixedly installed on the top of the main body 1. Guide plates 19 are fixedly installed on the inner wall of the main body 1. A dust-proof door 20 is hinged on the inner wall of the main body 1. As Figure 3 shown, a second spring 21 is provided at the bottom of the dust-proof door 20. The second spring 21 is fixedly installed on the inner wall of the main body 1.

[0023] It should be noted that when the coal is placed on the top of the dust-proof door 20, the dust-proof door 20 will flip downward under the weight of the coal, and at the same time, the second spring 21 will contract. When all the coal enters the main body 1, the second spring 21 will stretch to urge the dust-proof door 20 to reset, so as to avoid the phenomenon of coal slag splashing out and dust scattering when the coal is crushed, thereby avoiding personal injury and reducing air pollution at the same time.

[0024] Finally, the following points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0025] Second, in the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally, the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A coal sample preparation and crushing device, comprising a main body (1), characterized in that: The main body (1) is internally rotatably connected to a shaft rod (2), one end of which is fixedly mounted with a gear (3), the number of which is set to two, and the two gears (3) are arranged in a mutually meshing state, a motor (5) is fixedly mounted on one side of the main body (1), the gear (3) is fixedly mounted on the output end of the motor (5), a crushing roller (4) is fixedly mounted on the end of the shaft rod (2) away from the gear (3), the crushing roller (4) is rotatably connected to the inner wall of the main body (1), a first funnel (6) is fixedly mounted inside the main body (1), a slideway (7) is fixedly mounted at the bottom of the main body (1), a storage box (8) is slidably connected to the inner side of the main body (1), and a sleeve (9) is fixedly mounted on the inner wall of the storage box (8).

2. A coal sample preparation and crushing device according to claim 1, characterized in that: The inner wall of the sleeve (9) is slidably connected with a positioning column (10), and the bottom of the storage box (8) is provided with a first spring (11).

3. A coal sample preparation and crushing device according to claim 2, characterized in that: A base (12) is fixedly mounted on the bottom of the positioning column (10), the first spring (11) is fixedly mounted on the top of the base (12), and a support frame (13) is rotatably connected to the bottom of the base (12).

4. A coal sample preparation and crushing device according to claim 3, characterized in that: The inner side of the support frame (13) is rotatably connected to a roller (14), and the roller (14) is slidably connected to the inner side of the slideway (7). A fixed block (15) is fixedly installed on one side of the storage box (8).

5. A coal sample preparation and crushing device according to claim 4, characterized in that: A small pulley (16) is rotatably connected inside the fixed block (15), a baffle (17) is fixedly installed on the inner wall of the main body (1), and the small pulley (16) and the baffle (17) are arranged in a close-fitting manner.

6. A coal sample preparation and crushing device according to claim 5, characterized in that: A second funnel (18) is fixedly mounted on the top of the main body (1), and a guide plate (19) is fixedly mounted on the inner wall of the main body (1).

7. A coal sample preparation and crushing device according to claim 6, characterized in that: A dustproof door (20) is hingedly connected to the inner wall of the main body (1), and a second spring (21) is provided at the bottom of the dustproof door (20), and the second spring (21) is fixedly mounted on the inner wall of the main body (1).

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