Self-cleaning stock bin and sampling machine

Abstract

The utility model discloses a self-cleaning stock bin which comprises a stock bin body and a cleaning assembly. The upper end and the lower end of the stock bin body are open. The cleaning assembly is located on the inner side of the bin body and used for rotationally cleaning the inner side wall of the bin body. According to the utility model, the cleaning assembly is designed to rotatably clean materials with higher viscosity on the inner side wall of the stock bin body, so that time and labor are saved, and the problem of sample mixing caused by residual samples in the stock bin body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical sampling, and more specifically to a self-cleaning silo and a sampling machine. Background Art

[0002] A sampling machine is a device used to obtain a sample from a batch of materials, whose test results can represent the entire batch of sampled materials. There are many types of sampling machines, and different industries and different places use different structural forms of sampling machines. Generally, according to the structural form and the occasion of use, they can be roughly divided into: carriage (car, train) samplers, pipeline samplers, belt samplers (head, middle), etc.; generally used for sampling during the transportation and transfer of bulk materials (such as coal, ore, grain, etc.).

[0003] When the sampler is working, its sampling mechanism needs to be inserted into the bulk material loaded in a car or train compartment to collect material samples, and to collect and extract material samples through a collection bin. However, in the process of collecting and extracting material samples, when encountering materials with high viscosity, the materials stick to the inner wall of the collection bin and are difficult to clean, and the residual samples are prone to mixing problems. Utility Model Content

[0004] In view of this, the utility model provides a self-cleaning silo and a sampling machine that overcome the above technical problems or at least partially solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A self-cleaning silo, comprising a silo body and a cleaning component;

[0007] The upper and lower ends of the silo body are both open;

[0008] The cleaning assembly is located inside the silo body and is used for rotating and cleaning the inner wall of the silo body.

[0009] Preferably, an inlet short pipe is fixed to the upper end of the silo body, and an outlet short pipe is fixed to the lower end of the silo body;

[0010] The cleaning assembly comprises a vertical tube, a cleaning scraper and a lower short tube connected in sequence from top to bottom; the vertical tube is arranged in contact with the inner wall of the inlet short tube, and the upper end portion protrudes from the inlet short tube; a gear ring is sleeved on the outer side of the portion protruding from the inlet short tube; the gear ring is connected to the driving device;

[0011] The cleaning scraper is arranged in contact with the inner wall of the silo body, and the lower short tube is arranged in contact with the inner wall of the outlet short tube.

[0012] Preferably, the silo body is a truncated cone structure, a flange is provided on the inlet short pipe, a stabilizing support wheel is provided on the flange, and the upper end of the stabilizing support wheel abuts against the lower surface of the gear ring.

[0013] The utility model also provides a sampling machine, comprising a sampling tube, the self-cleaning silo as described above, and a power device;

[0014] The sampling cylinder has a feed port at the lower end and a discharge port at the upper end, and is used to collect and transport samples;

[0015] The self-cleaning silo is connected to the discharge port at the upper end of the sampling cylinder;

[0016] The power device is used to drive the sampling tube to collect and transport samples.

[0017] Preferably, it also includes a rotating shaft, one end of which is connected to the output shaft of the power device, and the other end of which extends and passes through the self-cleaning silo and the sampling cylinder.

[0018] Preferably, the sampling cylinder comprises a sampling portion, a connecting portion and a feeding portion which are sequentially connected from bottom to top;

[0019] The lower end of the sampling part is provided with a feed port, and the sampling part comprises a first spiral blade and a first outer tube sleeved on the periphery of the first spiral blade; the first spiral blade is sleeved on the outer surface of the rotating shaft;

[0020] The upper and lower ends of the connecting part are respectively connected to the feeding part and the sampling part;

[0021] The feeding part includes a second spiral blade, an inner tube and a second outer tube; the second spiral blade is sleeved on the outer surface of the rotating shaft, the upper end extends to the inside of the self-cleaning silo, and the lower end extends to the lower end of the connecting part; the inner tube is sleeved on the outer periphery of the second spiral blade, the upper end has a discharge port and is connected to the collecting silo, the lower end extends to the lower end of the connecting part and is connected to the sampling part; the second outer tube is sleeved on the outer periphery of the inner tube, the upper end is connected to the self-cleaning silo, and the lower end is connected to the connecting part.

[0022] Preferably, the connecting portion is a trumpet-shaped structure whose cross section gradually decreases from top to bottom.

[0023] Preferably, the inner diameter of the top end of the first outer tube is larger than the outer diameter of the bottom end of the connecting portion, and a discard port is provided at the top end of the first outer tube.

[0024] Preferably, the first helical blade is a double helical blade, and the second helical blade is a single helical blade.

[0025] Preferably, the spiral diameter of the first spiral blade is greater than the spiral diameter of the second spiral blade.

[0026] Preferably, it further comprises a lifting device, wherein the lifting device comprises a lifting mechanism frame, a chain mechanism, a lifting trolley and a lifting drive device;

[0027] The lifting mechanism frame is a rectangular parallelepiped structure, in which a slideway is provided;

[0028] The chain mechanism is sleeved on the outer surface of the lifting mechanism frame;

[0029] The lifting trolley is slidably connected in the slideway of the lifting mechanism frame, the two ends of the lifting trolley are connected to the chain mechanism, and one side of the lifting trolley is fixedly connected to the silo body;

[0030] The lifting drive device is connected to the chain mechanism and is used to drive the chain mechanism to rotate along the outer surface of the lifting mechanism frame.

[0031] Preferably, an upper limit block is provided at the upper end of the lifting mechanism frame, and a lower limit block is provided at the lower end.

[0032] It can be seen from the above technical solution that, compared with the prior art, the utility model discloses a self-cleaning silo, which has the following beneficial effects:

[0033] The cleaning component designed by the utility model rotates to clean the material with high viscosity on the inner side wall of the silo body, which saves time and labor and avoids the problem of sample mixing caused by residual samples in the silo body; the gear ring designed by the utility model is connected to the driving device, and the driving device drives the gear ring to rotate, thereby driving the vertical tube, the cleaning scraper and the lower short tube to rotate, and the cleaning scraper is in contact with the inner side wall of the silo body. During the rotation, the material stuck to the inner side wall of the silo body is cleaned.

[0034] The sampling tube designed by the utility model is inserted into the bulk material loaded in the car or train compartment to collect material samples, and the material is transported to the silo to sample and retain the material. The cleaning component is designed to automatically clean the material adhered to the inner wall of the silo, which saves time and effort, has a simple and reasonable structural design, and avoids the problem of sample mixing caused by residual samples in the silo.

[0035] The sampling part provided by the utility model is used for drilling materials, and the first outer tube of the sampling part is provided with a feed port and a discard port, so that the material can be shrunk in the sampling part, and the excess material can fall into the vehicle and will not be spilled on the ground; secondly, since the material can be shrunk in the sampling part, when the sampling is completed at the first sampling point, the first spiral blade and the second spiral blade of the above-mentioned sampling mechanism stop rotating, the material stops rising, and then the above-mentioned sampling mechanism is moved to the second sampling point for sampling. During the movement, the material will not be spilled due to the obstruction of the first spiral blade and the second spiral blade, that is, before the above-mentioned sampling mechanism is moved from the first sampling point to the second sampling point, it is not necessary to lift the material to the discharge port, so continuous sampling can be achieved.

[0036] The utility model provides a discard port at the top of the first outer tube, the inner diameter of the top of the first outer tube is larger than the outer diameter of the bottom of the connecting part, and the discard port is located on the outside of the bottom of the connecting part, so that the material can be discharged from the above-mentioned discard port to achieve the reduction of the material; the connecting part is designed to have a trumpet-shaped structure with a cross-section gradually decreasing from top to bottom, so as to better achieve a closed connection between the sampling part and the feeding part, and avoid internal leakage of the sampling drill bit and the situation where excess material falls from above during sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0038] Figure 1 The accompanying drawing is a schematic diagram of the overall structure of the self-cleaning silo of the utility model;

[0039] Figure 2 The accompanying drawing is a schematic diagram of the overall structure of the sampling machine of the utility model;

[0040] Figure 3 The accompanying drawing is a schematic diagram of the sampling unit structure of the utility model;

[0041] in,

[0042] 1. Sampling cylinder; 2. Silo body; 3. Power device; 4. Cleaning component; 5. Rotating shaft; 6. Sampling part; 7. Connecting part; 8. Feeding part; 9. First spiral blade; 10. First outer tube; 11. Second spiral blade; 12. Inner tube; 13. Second outer tube; 14. Lifting mechanism frame; 15. Chain mechanism; 16. Lifting trolley; 17. Lifting drive device; 18. Upper limit block; 19. Lower limit block; 20. Inlet short tube; 21. Outlet short tube; 22. Vertical tube; 23. Cleaning scraper; 24. Lower short tube; 25. Gear ring; 26. Stabilizing roller. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] See also Figure 1-3 The embodiment of the utility model discloses a self-cleaning silo, including a silo body 2 and a cleaning component 4;

[0045] The upper and lower ends of the silo body 2 are both designed to be open;

[0046] The cleaning assembly 4 is located inside the silo body 2 and is used to rotate and clean the inner wall of the silo body 2 .

[0047] In order to further optimize the above technical solution, an inlet short pipe 20 is fixed to the upper end of the silo body 2, and an outlet short pipe 21 is fixed to the lower end of the silo body 2;

[0048] The cleaning assembly 4 includes a vertical tube 22, a cleaning scraper 23 and a lower short tube 24 connected in sequence from top to bottom; the vertical tube 22 is arranged to fit the inner wall of the inlet short tube 20, and the upper end part protrudes from the inlet short tube 20; the outer side of the part protruding from the inlet short tube 20 is sleeved with a gear ring 25; the gear ring 25 is connected to the driving device; the cleaning scraper 23 is arranged to fit the inner wall of the silo body, and the lower short tube 24 is arranged to fit the inner wall of the outlet short tube 21. In this embodiment, the driving device is used to drive the gear ring 25 to rotate, and can be a motor, and a gear that cooperates with the gear ring 25 is sleeved on the output shaft of the motor; this is an existing conventional technology and will not be repeated here.

[0049] In order to further optimize the above technical solution, the silo body 2 is a truncated cone structure, a flange is provided on the inlet short pipe 20, and a plurality of stabilizing rollers 26 are provided on the flange, and the upper ends of the plurality of stabilizing rollers 26 are all in contact with the lower surface of the gear ring 25. In this embodiment, the stabilizing rollers 26 are in contact with the gear ring 25 to improve the stability of the rotation of the gear ring 25; the silo body 2 is an inverted truncated cone structure with a cross section that gradually decreases from top to bottom.

[0050] The utility model also provides a sampling machine, comprising a sampling tube 1, the above-mentioned self-cleaning silo and a power device 3;

[0051] The lower end of the sampling tube 1 is provided with a feed port, and the upper end is provided with a discharge port, and the sampling tube is used to collect and transport the sample;

[0052] The self-cleaning silo is connected to the discharge port at the upper end of the sampling tube 1;

[0053] The power device 3 is used to drive the sampling tube 1 to collect and transport samples.

[0054] In order to further optimize the above technical solution, a rotating shaft 5 is also included, one end of which is connected to the output shaft of the power device 3, and the other end of the rotating shaft 5 extends and passes through the self-cleaning silo and the sampling tube 1.

[0055] In this embodiment, the power device 3 adopts an electric motor, which drives the rotating shaft 5 to rotate, thereby driving the first spiral blade 9 and the second spiral blade 11 to rotate, and the electric motor can well control the rotation speed of the first spiral blade 9 and the second spiral blade 11 by adjusting the power; this is an existing conventional structure and will not be repeated here.

[0056] In order to further optimize the above technical solution, the sampling tube 1 includes a sampling portion 6, a connecting portion 7 and a feeding portion 8 which are sequentially connected from bottom to top;

[0057] A feed port is provided at the lower end of the sampling part 6, and the sampling part 6 comprises a first spiral blade 9 and a first outer tube 10 sleeved on the outer periphery of the first spiral blade 9; the first spiral blade 9 is sleeved on the outer surface of the rotating shaft 5;

[0058] The upper and lower ends of the connecting portion 7 are respectively connected to the feeding portion 8 and the sampling portion 6;

[0059] The feeding part 8 includes a second spiral blade 11, an inner tube 12 and a second outer tube 13; the second spiral blade 11 is sleeved on the outer surface of the rotating shaft 5, the upper end extends to the inside of the silo, and the lower end extends to the lower end of the inside of the connecting part 7; the inner tube 12 is sleeved on the outer periphery of the second spiral blade 11, the upper end has a discharge port and is connected to the silo, the lower end extends to the lower end of the inside of the connecting part 7 and is connected to the sampling part 6; the second outer tube 13 is sleeved on the outer periphery of the inner tube 12, the upper end is connected to the silo, and the lower end is connected to the connecting part 7. In this embodiment, a flange is provided at the lower end of the outlet short tube 21, and the second outer tube 13 is connected to the outlet short tube 21 through the flange. The flange connection is an existing common technology and will not be repeated here.

[0060] In order to further optimize the above technical solution, the connecting part 7 is a trumpet-shaped structure with a cross section that gradually decreases from top to bottom. In this embodiment, the lower end of the inner tube 12 extends to the lower end of the inner part of the connecting part 7, the outer wall of the inner tube 12 fits with the inner wall of the bottom end of the connecting part 7, and the inner tube 12 is directly connected to the first outer tube 10 to realize the transmission and contraction of materials; the first outer tube 10, the inner tube 12 and the second outer tube 13 are all cylindrical; the cylindrical first outer tube 10, the inner tube 12 and the second outer tube 13 are easy to manufacture, and the inner wall is smooth, which is conducive to the rise of materials, and there is no dead angle to avoid material residue.

[0061] In order to further optimize the above technical solution, the inner diameter of the top end of the first outer tube 10 is larger than the outer diameter of the bottom end of the connecting portion 7 , and a discard port is provided at the top end of the first outer tube 10 .

[0062] In order to further optimize the above technical solution, the first spiral blade 9 is a double spiral blade, and the second spiral blade 11 is a single spiral blade. In this embodiment, the double spiral blade has a better effect of drilling materials, a greater drilling force, a greater upward force to drive the material to move, and can generate a greater shear force at the upper edge of the first outer tube 10 and the lower edge of the connecting portion 7, and has a better effect of crushing large particles of material; the single spiral blade has a smaller resistance, so it has a better effect of lifting materials.

[0063] In order to further optimize the above technical solution, the spiral diameter of the first spiral blade 9 is greater than the spiral diameter of the second spiral blade 11. The spiral diameter of the first spiral blade 9 is greater than the spiral diameter of the second spiral blade 11, and the shear force is stronger, achieving a better crushing effect.

[0064] In order to further optimize the above technical solution, a lifting device is also included, which includes a lifting mechanism frame 14, a chain mechanism 15, a lifting trolley 16 and a lifting drive device 17;

[0065] The lifting mechanism frame 14 is a rectangular parallelepiped structure, in which a slideway is provided;

[0066] The chain mechanism 15 is sleeved on the outer surface of the lifting mechanism frame 14;

[0067] The lifting trolley 16 is slidably connected in the slideway of the lifting mechanism frame 14, the two ends of the lifting trolley 16 are connected to the chain mechanism 15, and one side of the lifting trolley 16 is fixedly connected to the aggregate bin 2;

[0068] The lifting drive device 17 is connected to the chain mechanism 15 and is used to drive the chain mechanism 15 to rotate along the outer surface of the lifting mechanism frame 14 .

[0069] In order to further optimize the above technical solution, an upper limit block 18 is provided at the upper end of the lifting mechanism frame 14, and a lower limit block 19 is provided at the lower end. In this embodiment, the lifting mechanism frame 14 is a rectangular parallelepiped structure, which is vertically set up on the side of the material collection mechanism. A slideway is provided at the center of the lifting mechanism frame 14, and the lifting trolley 16 slides up and down in the slideway; the chain mechanism 15 is an existing conventional transmission chain, which is wound around the lifting mechanism frame 14 for one circle, and the two ends of the chain mechanism 15 are respectively connected to the two ends of the lifting trolley 16. The movement of the chain mechanism 15 drives the lifting trolley 16 to move up and down; the side of the lifting trolley 16 is connected to the protruding inlet short tube part of the vertical tube through a ferrule, and a circular groove is provided on the vertical tube, and the ferrule is sleeved on the circular groove to facilitate the rotation of the vertical tube. Through the above design, the lifting trolley 16 and the vertical tube 2 can be realized. 2, and will not interfere with the rotation of the vertical tube 22. The connection structure is an existing conventional structure and will not be repeated here. The side of the lifting trolley 16 is connected to the silo body 2, and the lifting trolley 16 moves up and down, thereby driving the entire silo and the sampling tube 1 to move up and down, so that the sampling mechanism can be inserted into the bulk material to collect samples. The lifting drive device 17 is a forward and reverse motor, which is connected to the chain mechanism 15 to drive the chain mechanism 15 to move along the outer surface of the lifting mechanism frame 14. This is an existing conventional technology and will not be repeated here. The upper end of the lifting mechanism frame 14 is provided with an upper limit block 18, and the lower end is provided with a lower limit block 19; the distance of up and down movement is guaranteed, and the safety is improved.

[0070] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0071] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A self-cleaning silo, characterized in that: Including silo body and cleaning components; The upper and lower ends of the silo body are both open; The cleaning component is located inside the silo body and is used to rotate and clean the inner wall of the silo body; An inlet short pipe is fixed at the upper end of the silo body, and an outlet short pipe is fixed at the lower end of the silo body; The cleaning assembly comprises a vertical tube, a cleaning scraper and a lower short tube connected in sequence from top to bottom; the vertical tube is arranged in contact with the inner wall of the inlet short tube, and the upper end portion protrudes from the inlet short tube; a gear ring is sleeved on the outer side of the portion protruding from the inlet short tube; the gear ring is connected to the driving device; The cleaning scraper is arranged in contact with the inner wall of the silo body, and the lower short tube is arranged in contact with the inner wall of the outlet short tube.

2. A self-cleaning silo according to claim 1, characterized in that: The silo body is a truncated cone structure, the inlet short pipe is provided with a flange, the flange is provided with a stabilizing support wheel, and the upper end of the stabilizing support wheel abuts against the lower surface of the gear ring.

3. A sampling machine, characterized in that: It comprises a sampling cylinder, the self-cleaning silo according to any one of claims 1 to 2, and a power device; The sampling cylinder has a feed port at the lower end and a discharge port at the upper end, and is used to collect and transport samples; The self-cleaning silo is connected to the discharge port at the upper end of the sampling cylinder; The power device is used to drive the sampling tube to collect and transport samples.

4. A sampling machine according to claim 3, characterized in that: It also includes a rotating shaft, one end of which is connected to the output shaft of the power device, and the other end of which extends and passes through the self-cleaning silo and the sampling cylinder.

5. A sampling machine according to claim 4, characterized in that: The sampling cylinder comprises a sampling part, a connecting part and a feeding part which are connected in sequence from bottom to top; The lower end of the sampling part is provided with a feed port, and the sampling part comprises a first spiral blade and a first outer tube sleeved on the periphery of the first spiral blade; the first spiral blade is sleeved on the outer surface of the rotating shaft; The upper and lower ends of the connecting part are respectively connected to the feeding part and the sampling part; The feeding part includes a second spiral blade, an inner tube and a second outer tube; the second spiral blade is sleeved on the outer surface of the rotating shaft, the upper end extends to the inside of the self-cleaning silo, and the lower end extends to the lower end of the connecting part; the inner tube is sleeved on the outer periphery of the second spiral blade, the upper end has a discharge port and is connected to the self-cleaning silo, the lower end extends to the lower end of the connecting part and is connected to the sampling part; the second outer tube is sleeved on the outer periphery of the inner tube, the upper end is connected to the self-cleaning silo, and the lower end is connected to the connecting part.

6. A sampling machine according to claim 5, characterized in that: The connecting portion is a trumpet-shaped structure with a cross section gradually decreasing from top to bottom.

7. A sampling machine according to claim 5, characterized in that: The inner diameter of the top end of the first outer tube is greater than the outer diameter of the bottom end of the connecting portion, and a discard port is provided at the top end of the first outer tube.

8. A sampling machine according to claim 5, characterized in that: The first helical blade is a double helical blade, and the second helical blade is a single helical blade.

9. A sampling machine according to claim 5, characterized in that: A spiral diameter of the first spiral blade is greater than a spiral diameter of the second spiral blade.

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