Self-cleaning collecting hopper for raw coal sample storage

Abstract

This invention discloses a self-cleaning hopper for storing raw coal samples. The hopper's front, side, and back plates are welded together, significantly improving the overall structural strength and stability and preventing deformation caused by the long-term weight of the raw coal samples. The front and back plates are not parallel, with the lower end of the front plate lower than the lower end of the back plate, optimizing the internal tilt angle of the hopper and effectively avoiding dead zones for raw coal sample accumulation, thus promoting smooth unloading. The other side of the side plate is set at an obtuse angle, increasing the internal storage space of the hopper and reducing the adhesion and accumulation of raw coal samples at the side plate. The lower end of the side plate is designed as an arc, matching the arc edge of the hopper door, improving the sealing between the hopper door and the hopper body, preventing leakage of raw coal samples during unloading. The bent plate at the upper end of the back plate, in conjunction with the arc-shaped flange and sealing plate, not only enhances the structural strength of the top of the hopper but also guides the raw coal sample smoothly into the hopper, preventing splashing and improving the overall sealing of the hopper.

Description

Technical Field

[0001] This invention relates to the technical field of raw coal sample storage devices, and more specifically to a self-cleaning collection hopper for storing raw coal samples. Background Technology

[0002] In spiral sampler sampling operations, the collection hopper is used to temporarily hold the sampled coal material. It is a key auxiliary component in the sampling and transfer process, and its performance directly affects sampling efficiency and the smoothness of material transfer. Existing temporary collection hoppers adapted to spiral samplers have many shortcomings in actual use and are difficult to meet the requirements of sampling operations.

[0003] The existing temporary collection hoppers adapted to spiral samplers have significant drawbacks: First, they lack an effective self-cleaning structure, making it easy for sampled coal to adhere to the inner wall and cause blockages, requiring manual cleaning, which increases labor costs and affects the continuity of sampling; second, the hopper structure is unreasonable, resulting in poor unloading and the creation of dead corners for material accumulation, affecting the accuracy of subsequent temporary material placement; third, the transmission and drive components are unstable, have low cleaning accuracy, are easily damaged, shorten equipment life, and their compatibility cannot meet the operational requirements of spiral samplers.

[0004] Therefore, it is necessary to develop a temporary collection hopper that is compatible with spiral samplers, has a self-cleaning function, a reasonable structure, and stable operation to address the shortcomings of existing technologies. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides a self-cleaning hopper for storing raw coal samples, characterized in that: it includes a hopper body, an electric push rod, a connecting seat, a hopper gate, and a cleaning mechanism. The electric push rod is fixedly installed at the middle of the front side of the hopper body at an angle downwards. The output end of the electric push rod is hinged to one end of the connecting seat, and the other end of the connecting seat is fixedly connected to the bottom of the hopper gate. The two sides of the hopper gate are respectively movably connected to the two sides of the hopper body. A cleaning mechanism is provided on both sides of the hopper gate, and one side of the cleaning mechanism extends into the hopper body.

[0006] Preferably, the cleaning mechanism includes a first connecting rod, a second connecting rod, and a scraper. The lower end of the front side of the hopper gate is pinned to the first connecting rod, the upper end of the first connecting rod is pinned to the lower end of the second connecting rod, the upper end of the second connecting rod is bent toward the inside of the hopper and passes through the upper end of the scraper, and the scraper is fishbone shaped.

[0007] Preferably, the bucket body includes a front plate, side plates, a back plate, a sealing plate, a bending plate, and an arc-shaped flange. The two sides of the front plate are connected to one side of the side plate, and the other side of the side plate is connected to the back plate. The upper two sides of the back plate are fixedly connected to the bending plate. The bending plates are connected to each other through the arc-shaped flange. The upper end of the bending plate is fixedly connected to the side plate through the sealing plate.

[0008] Preferably, multiple anti-deviation posts are provided at staggered intervals on the side plate, and the first connecting rod and the second connecting rod pass through the middle of the multiple anti-deviation posts.

[0009] Preferably, the lower end of the side plate is arc-shaped, the arc edge of the lower end of the hopper gate is greater than the arc length of the lower end of the side plate, and the lower end of the hopper gate is coaxially arranged with the lower end of the side plate.

[0010] Preferably, the front panel and the back panel are not arranged in parallel, and the lower end of the front panel is lower than the lower end of the back panel.

[0011] Preferably, mounting seats are fixed on both sides of the central axis of the front plate, and the mounting seats are fixedly connected to the electric push rod.

[0012] Preferably, the other side of the side plate is set at an obtuse angle.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention adopts an integrally formed welded structure for the front plate, side plate and back plate of the bucket body, which greatly improves the overall structural strength and stability of the bucket body and avoids deformation caused by long-term bearing of the weight of raw coal samples; the front plate and back plate are not parallel, and the lower end of the front plate is lower than the lower end of the back plate, which optimizes the internal tilt angle of the bucket body, adapts to the working intensity of continuous sampling and temporary placement of the spiral sampler, effectively avoids dead corners of raw coal sample accumulation, and promotes smooth unloading of raw coal samples; the other side of the side plate is set at an obtuse angle, which increases the internal storage space of the bucket body and reduces the adhesion and accumulation of raw coal samples at the side plate; the lower end of the side plate is designed as an arc, which matches the lower arc edge of the hopper door, improves the fit and sealing of the hopper door and the bucket body, prevents leakage when temporarily placed materials are unloaded, and ensures accurate measurement of sampled materials; the bent plate at the upper end of the back plate cooperates with the arc flange and sealing plate, which not only enhances the structural strength of the top of the bucket body, but also guides the raw coal sample to enter the bucket body smoothly, avoids raw coal sample splashing, and improves the overall sealing of the bucket body.

[0014] (2) The electric push rod of the present invention is tilted downward and fixed in the middle of the front side of the bucket body. It is connected to the hinge and fixed connection structure of the connecting seat and the hopper door to realize the smooth opening and closing of the hopper door and the uniform transmission of driving force, so as to avoid jamming and impact during the opening and closing of the hopper door. The lower arc edge of the hopper door is greater than the arc length of the lower end of the side plate and is set coaxially, which further improves the smoothness of the unloading process, ensures that the raw coal sample is completely unloaded and reduces material accumulation. The hopper door is movably connected to both sides of the bucket body. With the drive of the electric push rod, the hopper door can be flexibly rotated to adapt to different unloading speed requirements, and at the same time facilitates later maintenance and repair.

[0015] (3) The cleaning mechanism of the present invention is linked with the hopper door, which does not require additional power to drive it. The opening and closing action of the hopper door drives the first connecting rod and the second connecting rod to move synchronously, thereby driving the scraper to move on the inner wall of the hopper, realizing the self-cleaning function, reducing the cost of manual cleaning, and avoiding material accumulation and blockage. The scraper is designed in a fishbone shape to increase the contact area with the side plate and improve the cleaning effect. It can efficiently scrape off the raw coal samples adhering to the inner wall of the hopper, while avoiding wear on the side plate caused by the scraper. The upper end of the second connecting rod is bent towards the inner side of the hopper to ensure that the scraper can accurately fit the side plate, improve the cleaning accuracy, and adapt to the internal structure of the hopper. Attached Figure Description

[0016] Figure 1 This is one of the overall structural schematic diagrams of the present invention; Figure 2 This is the second schematic diagram of the overall structure of the present invention; Figure 3 This is a side view of the present invention; Figure 4 For the present invention Figure 3 A sectional view. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] like Figures 1 to 4 As shown, a self-cleaning hopper for storing raw coal samples includes a hopper body 1, an electric push rod 2, a connecting seat 3, a hopper door 4, a first connecting rod 5, a second connecting rod 6, a scraper 7, a front plate 8, a side plate 9, a back plate 10, a sealing plate 11, a bending plate 12, an arc flange 13, an anti-deviation column 14, and a mounting base 15.

[0019] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] like Figures 1 to 4 As shown, the self-cleaning hopper for transporting raw coal samples includes a hopper body 1, an electric push rod 2, a connecting seat 3, a hopper gate 4, and a cleaning mechanism. The electric push rod 2 is fixedly installed at the middle of the front side of the hopper body 1, tilted downwards. The output end of the electric push rod 2 is hinged to one end of the connecting seat 3, and the other end of the connecting seat 3 is fixedly connected to the bottom of the hopper gate 4. The two sides of the hopper gate 4 are movably connected to the two sides of the hopper body 1, respectively. With the drive of the electric push rod 2, the hopper gate 4 can rotate flexibly to adapt to different unloading speed requirements, and at the same time facilitates later maintenance and repair.

[0022] Cleaning mechanisms are provided on both sides of the hopper gate 4, with one side of the cleaning mechanism extending into the hopper body 1.

[0023] The cleaning mechanism includes a first connecting rod 5, a second connecting rod 6, and a scraper 7. The lower front end of the hopper gate 4 is pinned to the first connecting rod 5, and the upper end of the first connecting rod 5 is pinned to the lower end of the second connecting rod 6. The upper end of the second connecting rod 6 is bent inward towards the inside of the hopper body 1 and passes through the upper end of the scraper 7. The scraper 7 is fishbone shaped to increase the contact area with the inner wall of the hopper body 1, improve the cleaning effect, and efficiently scrape off the raw coal samples adhering to the inner wall of the hopper body 1, while avoiding wear on the inner wall of the hopper body 1 caused by the scraper 7. The cleaning mechanism does not require additional power. The opening and closing action of the hopper gate 4 drives the first connecting rod 5 and the second connecting rod 6 to move synchronously, thereby driving the scraper 7 to move on the inner wall of the hopper body 1, realizing a self-cleaning function, reducing manual cleaning costs, and avoiding material accumulation and blockage.

[0024] The bucket body 1 includes a front plate 8, side plates 9, back plate 10, sealing plate 11, bending plate 12, and arc-shaped flange 13. The front plate 8 is connected to one side of the side plate 9 on both sides, and the other side of the side plate 9 is connected to the back plate 10. The front plate 8, side plates 9, and back plate 10 are integrally formed to avoid deformation caused by long-term pressure from the weight of the raw coal sample. The upper ends of the back plate 10 are fixedly connected to the bending plates 12 on both sides. The bending plates 12 are connected to each other via the arc-shaped flange 13, and the upper ends of the bending plates 12 are fixedly connected to the side plates 9 via the sealing plate 11. This not only enhances the structural strength of the top of the bucket body 1 but also guides the raw coal sample smoothly into the bucket body 1, preventing splashing and improving the overall sealing performance of the bucket body 1.

[0025] Multiple anti-deviation posts 14 are staggered and spaced on the side plate 9. The first connecting rod 5 and the second connecting rod 6 pass through the middle of the multiple anti-deviation posts 14. The anti-deviation posts 14 can limit and guide the first connecting rod 5 and the second connecting rod 6, effectively preventing the first connecting rod 5 and the second connecting rod 6 from deviating or swinging during the movement, ensuring the cleaning mechanism operates accurately and improving the self-cleaning effect.

[0026] The lower end of the side plate 9 is arc-shaped, and the arc edge of the lower end of the hopper gate 4 is greater than the arc length of the lower end of the side plate 9. The lower end of the hopper gate 4 is coaxially set with the lower end of the side plate 9, which improves the fit and sealing of the hopper gate 4 and the hopper body 1, prevents leakage when temporarily placed materials are unloaded, and ensures accurate measurement of sampled materials; improves the smoothness of the unloading process, ensures that the raw coal sample is completely unloaded, and reduces material accumulation.

[0027] The front plate 8 and the back plate 10 are not parallel. The lower end of the front plate 8 is lower than the lower end of the back plate 10. This optimizes the internal tilt angle of the bucket body 1, effectively avoids dead corners for raw coal sample accumulation, and promotes smooth unloading of raw coal samples and other materials.

[0028] Mounting seats 15 are fixed on both sides of the central axis of the front plate 8. The mounting seats 15 are fixedly connected to the electric push rod 2 to realize the smooth opening and closing of the hopper door 4, the driving force is transmitted evenly, and the jamming and impact during the opening and closing of the hopper door 4 are avoided.

[0029] The other side of the side plate 9 is set at an obtuse angle, which increases the internal storage space of the bucket body 1 and reduces the adhesion and accumulation of raw coal samples at the side plate 9.

[0030] The components of this invention work together to specifically solve problems such as material accumulation and blockage in the temporary collection hopper of existing spiral samplers, poor unloading, unstable operation, and insufficient temporary placement accuracy. This significantly improves the service life, operational stability, and ease of operation of the equipment, perfectly meeting the actual operational needs of spiral samplers for sampling and temporary placement.

[0031] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. Therefore, any modifications, equivalent changes, improvements, etc., made in accordance with the claims of the present invention shall still fall within the scope of the present invention.

Claims

1. A self-cleaning hopper for storing raw coal samples, characterized in that: The device includes a bucket body (1), an electric push rod (2), a connecting seat (3), a hopper gate (4), and a cleaning mechanism. The electric push rod (2) is fixedly installed at the middle of the front side of the bucket body (1) with its angled downwards. The output end of the electric push rod (2) is hinged to one end of the connecting seat (3), and the other end of the connecting seat (3) is fixedly connected to the bottom of the hopper gate (4). The two sides of the hopper gate (4) are movably connected to the two sides of the bucket body (1), and a cleaning mechanism is provided on both sides of the hopper gate (4). One side of the cleaning mechanism extends into the bucket body (1).

2. The self-cleaning hopper for storing raw coal samples according to claim 1, characterized in that: The cleaning mechanism includes a first connecting rod (5), a second connecting rod (6), and a scraper (7). The lower front end of the hopper gate (4) is pinned to the first connecting rod (5), the upper end of the first connecting rod (5) is pinned to the lower end of the second connecting rod (6), and the upper end of the second connecting rod (6) is bent toward the inside of the hopper body (1) and passes through the upper end of the scraper (7). The scraper (7) is fishbone shaped.

3. The self-cleaning hopper for storing raw coal samples according to claim 2, characterized in that: The bucket body (1) includes a front plate (8), a side plate (9), a back plate (10), a sealing plate (11), a bending plate (12), and an arc flange (13). The two sides of the front plate (8) are connected to one side of the side plate (9), and the other side of the side plate (9) is connected to the back plate (10). The two sides of the upper end of the back plate (10) are fixedly connected to the bending plate (12). The bending plates (12) are connected to each other through the arc flange (13). The upper end of the bending plate (12) is fixedly connected to the side plate (9) through the sealing plate (11).

4. The self-cleaning hopper for storing raw coal samples according to claim 3, characterized in that: Multiple anti-deviation posts (14) are provided at intervals and staggered on the side plate (9), and the first connecting rod (5) and the second connecting rod (6) pass through the middle of the multiple anti-deviation posts (14).

5. A self-cleaning hopper for storing raw coal samples according to claim 4, characterized in that: The lower end of the side plate (9) is arc-shaped, and the arc edge of the lower end of the hopper gate (4) is greater than the arc length of the lower end of the side plate (9). The lower end of the hopper gate (4) is coaxially arranged with the lower end of the side plate (9).

6. A self-cleaning hopper for storing raw coal samples according to claim 5, characterized in that: The front plate (8) and the back plate (10) are not parallel, and the height of the lower end of the front plate (8) is lower than the height of the lower end of the back plate (10).

7. A self-cleaning hopper for storing raw coal samples according to claim 6, characterized in that: Mounting seats (15) are fixed on both sides of the central axis of the front plate (8), and the mounting seats (15) are fixedly connected to the electric push rod (2).

8. A self-cleaning hopper for storing raw coal samples according to claim 7, characterized in that: The other side of the side plate (9) is set at an obtuse angle.

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