Pulverized coal sampling device for detecting fineness of pulverized coal

Abstract

The utility model relates to a pulverized coal sampling device for detecting the fineness of pulverized coal, which comprises a box body, a driving part, a sampling part and a collecting part, the sampling part is positioned in the box body and is in sliding connection with the box body through the driving part, the lower end of the box body is provided with a sampling port matched with the lower end of the sampling part, and the lower surface of the box body is fixedly connected with a rubber sleeve; the collecting part comprises a collecting box with an upward opening, and the rubber sleeve is located in the collecting box. By arranging the collecting part, the coal powder can be collected, and meanwhile, the collecting part is further provided with a vibration motor, so that the coal powder on the rubber sleeve can be collected; meanwhile, the device is further provided with a limiting ring, so that relative sliding between the box body and the collecting box is avoided, and the collecting effect of the device on the pulverized coal is improved; pulverized coal is prevented from scattering and polluting the environment; and a rubber sleeve is further arranged, so that pulverized coal is prevented from being attached to the box body, and the practicability and creativity of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal powder detection, in particular to a coal powder sampling device used for coal powder fineness detection. Background Art

[0002] The size of coal powder is one of the important indicators that affect the combustion economy of boilers, so coal powder sampling is a necessary means to monitor boiler combustion devices.

[0003] In the related art, although coal powder sampling can be achieved, some coal powder will always fall off during the sampling process, polluting the environment. At the same time, the coal powder is easily sprinkled on the workers when the sampled coal powder is moved. In order to solve the above problems, the utility model provides a coal powder sampling device for detecting the fineness of coal powder. Utility Model Content

[0004] In order to solve the above-mentioned problems in the background technology, the utility model provides a coal powder sampling device for detecting the fineness of coal powder.

[0005] The utility model provides a coal powder sampling device for coal powder fineness detection, which adopts the following technical scheme:

[0006] A coal powder sampling device for detecting the fineness of coal powder comprises a box body, a driving part, a sampling part and a collecting part, wherein the sampling part is located in the box body, and the sampling part is slidably connected to the box body through the driving part, and a sampling port adapted to the lower end of the sampling part is provided at the lower end of the box body, and a rubber sleeve is fixedly connected to the lower surface of the box body; the collecting part comprises a collecting box with an opening upward, and the rubber sleeve is located in the collecting box.

[0007] By adopting the above-mentioned technical scheme, that is, the sampling of coal powder is realized through the present device, the driving of the sampling part is realized through the driving part, and then the sampling part realizes the sampling of coal powder. After the coal powder is sampled, the box is placed on the collecting part, which is conducive to collecting the coal powder at the lower end of the box.

[0008] Preferably, the collecting part further comprises a vibration motor, a body of the vibration motor is fixedly connected to the side of the collecting box, and a vibration rod of the vibration motor abuts against the lower surface of the box body.

[0009] The adoption of the above technical solution is beneficial to improving the collection effect of the device on coal powder.

[0010] Preferably, two vibration motors are provided, and the two vibration motors are respectively located on both sides of the collection box.

[0011] The adoption of the above technical solution is conducive to further ensuring the collection effect of the coal powder at the lower end of the box.

[0012] Preferably, the driving part includes a driving motor, a threaded rod, a sliding rod, a first sliding block, a second sliding block, a connecting rod and a fixed block, the body of the driving motor is fixedly connected to the upper surface of the box body, the driving end of the driving motor is coaxially fixedly connected to the upper end surface of the threaded rod, the lower end of the threaded rod is inserted into the box body and rotatably connected to the lower end surface of the box body; the axis of the sliding rod and the axis of the threaded rod are parallel to each other, the upper end of the sliding rod is fixedly connected to the upper end surface of the box body, and the lower end of the sliding rod is fixedly connected to the lower end surface of the box body; the first sliding block is sleeved on the threaded rod and threadedly connected to the threaded rod, and the second sliding block is sleeved on the sliding rod and slidably connected to the sliding rod; the fixed block is located between the threaded rod and the sliding rod, one side of the upper end of the fixed block is fixedly connected to the side surface of the first sliding block through one of the connecting rods, and the other side of the upper end of the fixed block is fixedly connected to the side surface of the second sliding block through another connecting rod; the side surface of the fixed block is fixedly connected to the sampling part.

[0013] By adopting the above technical solution, the driving motor is started, so that the driving motor drives the threaded rod to rotate, and then the first slider moves along the threaded rod, and the first slider drives the fixed block to move up and down through the connecting rod, and at the same time, the fixed block drives the second slider to move through the connecting rod, and the cooperation between the first slider and the second slider is conducive to preventing the fixed block from rotating, and thus is conducive to ensuring the up and down movement of the fixed block, and then the collecting part is driven by the fixed block.

[0014] Preferably, the driving part further comprises a limiting block, and the upper surface of the fixing block is fixedly connected to the limiting block.

[0015] By adopting the above technical solution, it is helpful to prevent the first slider from moving upward all the time and prevent the first slider from getting stuck, which is helpful to ensure the stability of the device during use.

[0016] Preferably, the sampling part includes an electric cylinder, a piston block and a sampling tube, the cylinder body of the electric cylinder is fixedly connected to the upper end of the side of the fixed block, the push rod of the electric cylinder is fixedly connected to the piston block, the piston block is adapted to the sampling tube, and the upper end of the sampling tube is fixedly connected to the lower end of the side of the fixed block.

[0017] By adopting the above technical solution, after the sampling tube is inserted into the coal powder, the electric cylinder is started, and the push rod of the electric cylinder drives the piston rod to move, that is, the coal powder is drawn into the sampling tube, thereby realizing the sampling of the coal powder.

[0018] Preferably, the lower end of the sampling tube is truncated cone-shaped.

[0019] By adopting the above technical solution, it is convenient to insert the sampling tube into the coal powder.

[0020] Preferably, a limiting ring is fixedly connected to the lower surface of the box body, and the limiting ring is adapted to the collection box.

[0021] The adoption of the technical solution is conducive to avoiding relative sliding between the box and the collecting part, and further, since the coal powder at the lower end of the box is collected, it is conducive to avoiding the coal powder at the lower end of the box from polluting the environment.

[0022] In summary, the utility model has the following beneficial technical effects:

[0023] The innovation of the utility model lies in that, by setting the collecting part, it is beneficial to collect the coal powder in the rubber sleeve and the coal powder in the box body flowing out through the sampling port, and at the same time, the collecting part is also provided with a vibration motor, which is beneficial to further collect the coal powder on the rubber sleeve; at the same time, the device is also provided with a limit ring, which is beneficial to avoid relative sliding between the box body and the collecting box, thereby facilitating the improvement of the collection effect of the device on the coal powder; preventing the coal powder from scattering and thus preventing the coal powder from polluting the environment; at the same time, the device is also provided with a rubber sleeve, so that the device can contact the coal powder as little as possible during sampling, thereby facilitating the prevention of coal powder from adhering to the device, thereby facilitating the improvement of the practicality and creativity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0025] Figure 2 It is a schematic diagram of the overall structure of another perspective of an embodiment of the utility model;

[0026] Figure 3 It is a structural schematic diagram of a box body of an embodiment of the utility model;

[0027] Figure 4 It is a schematic diagram of the structure of the driving part and the sampling part of an embodiment of the utility model;

[0028] Figure 5 It is a structural schematic diagram of the driving part and the sampling part of the embodiment of the utility model from another perspective;

[0029] Figure 6 It is a structural schematic diagram of the collecting part of an embodiment of the utility model.

[0030] Explanation of the reference numerals: 1. housing; 2. driving unit; 21. driving motor; 22. threaded rod; 23. sliding rod; 24. first sliding block; 25. second sliding block; 26. connecting rod; 27. fixing block; 28. limiting block; 3. sampling unit; 31. electric cylinder; 32. sampling tube; 4. collecting unit; 41. collecting box; 42. vibration motor; 5. rubber sleeve; 6. limiting ring. DETAILED DESCRIPTION

[0031] 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.

[0032] The following is combined with Figure 1-6 The utility model is described in further detail.

[0033] A coal powder sampling device for detecting the fineness of coal powder, referring to Figure 1 , comprising a box body 1, a driving part 2, a sampling part 3 and a collecting part 4, wherein the sampling part 3 is located in the box body 1, and the sampling part 3 is slidably connected to the box body 1 through the driving part 2, and a sampling port adapted to the lower end of the sampling part 3 is provided at the lower end of the box body 1, and a rubber sleeve 5 is fixedly connected to the lower surface of the box body 1; the collecting part 4 comprises a collecting box 41 with an opening upward, and the rubber sleeve 5 is located in the collecting box 41, that is, the sampling of coal powder is realized by the device, the driving of the sampling part 3 is realized by the driving part 2, and then the sampling of coal powder is realized by the sampling part 3, and after the coal powder is sampled, the box body 1 is placed on the collecting part 4, which is conducive to collecting the coal powder at the lower end of the box body 1.

[0034] Reference Figure 4 The collecting part 4 also includes a vibration motor 42, the body of the vibration motor 42 is fixedly connected to the side of the collecting box 41, and the vibration rod of the vibration motor 42 abuts against the lower surface of the box body 1, which is beneficial to improve the coal powder collection effect of the device.

[0035] Reference Figure 6 There are two vibration motors 42 , and the two vibration motors 42 are respectively located on both sides of the collecting box 41 , which is beneficial to further ensure the collection effect of the coal powder at the lower end of the box body 1 .

[0036] Reference Figure 4 The driving unit 2 includes a driving motor 21, a threaded rod 22, a sliding rod 23, a first slider 24, a second slider 25, a connecting rod 26 and a fixing block 27. The body of the driving motor 21 is fixedly connected to the upper surface of the box body 1. The driving end of the driving motor 21 is coaxially fixedly connected to the upper end surface of the threaded rod 22. The lower end of the threaded rod 22 is inserted into the inside of the box body 1 and is rotatably connected to the lower end surface inside the box body 1. The axis of the sliding rod 23 is parallel to the axis of the threaded rod 22. The upper end of the sliding rod 23 is fixedly connected to the upper end surface inside the box body 1, and the lower end of the sliding rod 23 is fixedly connected to the lower end surface inside the box body 1. The first sliding block 24 is sleeved on the threaded rod 22 and is threadedly connected to the threaded rod 22. The second sliding block 25 is sleeved on the sliding rod 23 and is slidably connected to the sliding rod 23. The fixing block 27 is located between the threaded rod 22 and the sliding rod 23. One side of the upper end of the fixed block 27 is fixedly connected to the side of the first slider 24 through a connecting rod 26, and the other side of the upper end of the fixed block 27 is fixedly connected to the side of the second slider 25 through another connecting rod 26; the side of the fixed block 27 is fixedly connected to the sampling part 3, and the driving motor 21 is started, so that the driving motor 21 drives the threaded rod 22 to rotate, and then the first slider 24 moves along the threaded rod 22, and the first slider 24 drives the fixed block 27 to move up and down through the connecting rod 26, and at the same time, the fixed block 27 drives the second slider 25 to move through the connecting rod 26, and at the same time, the cooperation between the first slider 24 and the second slider 25 is conducive to preventing the fixed block 27 from rotating, and thus is conducive to ensuring the up and down movement of the fixed block 27, and then the collecting part 4 is driven by the fixed block 27.

[0037] Reference Figure 4 The driving part 2 also includes a limit block 28, and the upper surface of the fixing block 27 is fixedly connected to the limit block 28, which is beneficial to prevent the first slider 24 from moving upward all the time and prevent the first slider 24 from getting stuck, thereby ensuring the stability of the device during use.

[0038] Reference Figure 5The sampling part 3 includes an electric cylinder 31, a piston block and a sampling barrel 32. The cylinder body of the electric cylinder 31 is fixedly connected to the upper end of the side of the fixed block 27, the push rod of the electric cylinder 31 is fixedly connected to the piston block, the piston block is adapted to the sampling barrel 32, and the upper end of the sampling barrel 32 is fixedly connected to the lower end of the side of the fixed block 27. After the sampling barrel 32 is inserted into the coal powder, the electric cylinder 31 is started, and the push rod of the electric cylinder 31 drives the piston rod to move, that is, the coal powder is drawn into the sampling barrel 32, and the sampling of the coal powder can be realized.

[0039] Reference Figure 5 The lower end of the sampling tube 32 is truncated cone-shaped, which is convenient for inserting the sampling tube 32 into the coal powder.

[0040] Reference Figure 3-6 The lower surface of the box body 1 is fixedly connected to a limiting ring 6, and the limiting ring 6 is adapted to the collecting box 41, which is beneficial to avoiding relative sliding between the box body 1 and the collecting part 4. Furthermore, since the coal powder at the lower end of the box body 1 is collected, it is beneficial to avoid the coal powder at the lower end of the box body 1 from polluting the environment.

[0041] The implementation principle of the embodiment of the utility model is as follows: the lower end of the box is placed on the coal powder, the driving motor is started, the driving motor drives the threaded rod to rotate in the forward direction, the first slider moves along the threaded rod, the first slider drives the fixed block and the second slider to move, so that the lower end of the sampling tube is inserted into the coal powder; the electric cylinder is started, so that the push rod of the electric cylinder pulls the piston block to move, that is, the coal powder is drawn into the sampling tube, and the sampling of the coal powder can be realized; the driving motor is started again, so that the driving motor drives the threaded rod to rotate in the opposite direction, the first slider moves along the threaded rod, and the first slider drives the fixed block and the second slider to move upward; after the sampling of the coal powder is completed, the box is placed above the collecting part, and the vibration motor is started, so that the lower end of the box can be vibrated, so that the coal powder attached to the rubber sleeve falls into the collecting box, and the excess coal powder can be collected, which is beneficial to protecting the environment and reducing the impact of coal powder on the environment.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0044] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A coal powder sampling device for detecting the fineness of coal powder, characterized in that: The invention comprises a housing (1), a driving part (2), a sampling part (3) and a collecting part (4); the sampling part (3) is located inside the housing (1); the sampling part (3) is slidably connected to the housing (1) via the driving part (2); a sampling port adapted to the lower end of the sampling part (3) is provided at the lower end of the housing (1); a rubber sleeve (5) is fixedly connected to the lower surface of the housing (1); and the collecting part (4) comprises a collecting box (41) with an opening facing upwards; the rubber sleeve (5) is located inside the collecting box (41).

2. A pulverized coal sampling device for detecting the fineness of pulverized coal according to claim 1, characterized in that: The collecting part (4) further comprises a vibration motor (42), the body of the vibration motor (42) being fixedly connected to the side of the collecting box (41), and the vibration rod of the vibration motor (42) being in contact with the lower surface of the box body (1).

3. A coal powder sampling device for coal powder fineness detection according to claim 2, characterized in that: Two vibration motors (42) are provided, and the two vibration motors (42) are respectively located on both sides of the collection box (41).

4. A coal powder sampling device for coal powder fineness detection according to claim 2, characterized in that: The driving part (2) comprises a driving motor (21), a threaded rod (22), a sliding rod (23), a first sliding block (24), a second sliding block (25), a connecting rod (26) and a fixing block (27); the body of the driving motor (21) is fixedly connected to the upper surface of the box body (1); the driving end of the driving motor (21) is coaxially fixedly connected to the upper end surface of the threaded rod (22); the lower end of the threaded rod (22) is inserted into the inside of the box body (1) and is rotatably connected to the lower end surface inside the box body (1); the axis of the sliding rod (23) is parallel to the axis of the threaded rod (22); the upper end of the sliding rod (23) is fixedly connected to the upper end surface inside the box body (1); the lower end of the sliding rod (23) is fixedly connected to the lower end surface inside the box body (1); The lower end surface of the box body (1) is fixedly connected; the first sliding block (24) is sleeved on the threaded rod (22) and is threadedly connected to the threaded rod (22); the second sliding block (25) is sleeved on the sliding rod (23) and is slidably connected to the sliding rod (23); the fixed block (27) is located between the threaded rod (22) and the sliding rod (23); one side of the upper end of the fixed block (27) is fixedly connected to the side of the first sliding block (24) through one of the connecting rods (26); the other side of the upper end of the fixed block (27) is fixedly connected to the side of the second sliding block (25) through another of the connecting rods (26); the side of the fixed block (27) is fixedly connected to the sampling portion (3).

5. A coal powder sampling device for coal powder fineness detection according to claim 4, characterized in that: The driving part (2) further comprises a limit block (28), and the upper surface of the fixed block (27) is fixedly connected to the limit block (28).

6. A coal powder sampling device for coal powder fineness detection according to claim 4, characterized in that: The sampling part (3) comprises an electric cylinder (31), a piston block and a sampling barrel (32); the cylinder body of the electric cylinder (31) is fixedly connected to the upper end of the side surface of the fixed block (27); the push rod of the electric cylinder (31) is fixedly connected to the piston block; the piston block is adapted to the sampling barrel (32); the upper end of the sampling barrel (32) is fixedly connected to the lower end of the side surface of the fixed block (27).

7. A coal powder sampling device for coal powder fineness detection according to claim 6, characterized in that: The lower end of the sampling tube (32) is in the shape of a truncated cone.

8. A coal powder sampling device for coal powder fineness detection according to claim 6, characterized in that: The lower surface of the box body (1) is fixedly connected to a limiting ring (6), and the limiting ring (6) is compatible with the collection box (41).

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