Novel coal falling barrel sampling device

Abstract

The utility model belongs to the technical field of coal sampling detection, and particularly relates to a novel coal falling barrel sampling device which comprises a coal falling barrel assembly, an inverted Y-shaped lofting barrel and a sample collector, the coal falling barrel assembly comprises a hopper and a coal falling barrel, the hopper and the coal falling barrel are overlapped and combined up and down, and the bottom of the coal falling barrel is connected with a guide chute; a coal crusher is arranged at the upper part in the inverted-Y-shaped lofting cylinder, and the bottom of the inverted-Y-shaped lofting cylinder is divided into a left branch and a right branch; the sample collector comprises a sample collector tray and a sample collector support, the sample collector tray is erected above the sample collector support, and a plurality of sampling barrels are circumferentially arrayed on the sample collector tray according to the position of the center of the sample collector tray; a sampling groove is formed in the side wall in the hopper and extends out of the hopper, and the extending position is connected with the upper end of the inverted-Y-shaped lofting cylinder. According to the utility model, on one hand, the problems of inconvenience in operation and low efficiency caused by the adoption of a crossing mode in the existing sampling device are solved, and on the other hand, the problems of cost waste, low efficiency and high engineering strength caused by manual mining are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal sampling and detection, and specifically relates to a novel coal drop tube sampling device. Background Art

[0002] There are currently two methods for coal sampling. One is mechanized sampling, in which a mechanical sampling machine is set up outdoors to take samples by crossing the railway line. The other is manual sampling, in which manual coal unloading is used to take samples when machinery cannot be used.

[0003] However, the former has the problems of incomplete sampling, inconvenient operation and low efficiency due to geographical restrictions, and the latter has the problems of high labor costs, low efficiency, high labor intensity, poor accuracy and high safety risks due to the need for one person to operate, monitor and record the sub-samples. In summary, an efficient sampling machine is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of coal drop bucket sampling device, which on the one hand solves the problem that the existing sampling device in the background technology adopts a cross-over manner, resulting in inconvenient operation and low efficiency, and on the other hand solves the problems of cost waste, low efficiency and high engineering intensity caused by manual mining.

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

[0006] A novel coal drop barrel sampling device comprises: a hopper and a coal drop barrel, the hopper and the coal drop barrel are arranged in an upper and lower superposition state, the bottom of the coal drop barrel is connected to a material guide trough, and also comprises: an inverted Y-shaped sampler and a sample collector respectively arranged on the right side of the hopper, the sample collector is located at the bottom of the inverted Y-shaped sampler; a coal crusher is arranged at the upper position inside the inverted Y-shaped sampler, the bottom of the inverted Y-shaped sampler is formed into two left and right branches, the left branch is connected to the coal drop barrel, and the bottom end of the right branch is connected to the sampler; the sample collector comprises: a sample collector tray and a sample collector A bracket, a sample collector tray is set above the sample collector bracket, and a plurality of sampling barrels are arranged in a circular array on the sample collector tray according to the position of the center of the disc; a sampling groove is set on the side wall inside the hopper, and the sampling groove extends out of the hopper, and the extension is connected to the upper end of the inverted Y-shaped lofting tube; the positions of the lofter and any sampling barrel correspond to each other up and down, and the coal enters the inverted Y-shaped lofting tube through the sampling groove, and is crushed by the coal crusher. A part of the coal returns to the coal drop tube through the left branch, and the other part reaches the lofter through the right branch, and finally enters the sampling barrel.

[0007] Furthermore, the sampler is provided with a coal sample position sensor, and the bottom of the sample collector tray is provided with a sampling bucket position sensor, the coal sample position sensor detects the fullness state of the sampling bucket, and sends a signal when the bucket is full. The sampling bucket position sensor receives the signal, and the sample collector tray switches to the next sampling bucket.

[0008] Furthermore, a rotating gear and a driving gear are provided at the bottom of the sample collector tray.

[0009] Furthermore, a distributor is provided at the diversion point of the inverted Y-shaped lofting tube.

[0010] Furthermore, the coal is transported into the coal drop chute via a conveyor belt.

[0011] Furthermore, a speed feedback device is arranged above the belt of the conveyor belt. The speed feedback device is used to detect the speed of the conveyor belt through a rotating plate, and feeds back the speed to the distributor for angle adjustment of the distributor.

[0012] Furthermore, a spiral tube is arranged inside the sampling trough to deliver the coal to the inverted Y-shaped sampling cylinder.

[0013] Furthermore, a sampling head reducer is arranged at the end of the spiral tube close to the inverted Y-shaped lofting tube.

[0014] Furthermore, a sampling cover is provided on the head of the sampler.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model adds a sampling device on the basis of the original coal drop barrel assembly. Specifically, a sampling slot is firstly arranged on the side wall inside the hopper, and the sampling slot is extended outward and connected to the inverted Y-shaped sampler barrel. Secondly, the bottom of the inverted Y-shaped sampler barrel is divided into two branches, one branch is connected to the coal drop barrel, and the bottom of the other branch is connected to the sampler. At this time, the position of the sampler corresponds to the position of the sampling barrel set on the sample collector tray. When sampling, the coal enters the inverted Y-shaped sampler barrel through the sampling slot, and the coal is crushed by the coal crusher. A part of it returns to the coal drop barrel through the branch, and the other part reaches the sampler through another branch, and finally enters the sampling barrel. In this way, on the one hand, the problem of inconvenience in operation and low efficiency caused by the geographical influence of the cross-sampling device is solved, and on the other hand, the problem of cost waste, low efficiency and high engineering intensity caused by manual mining is solved, and the sampling efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front sectional view of the utility model;

[0018] Figure 2 This is an enlarged view of the sample collector of the utility model;

[0019] Figure 3 It is a side view of the utility model.

[0020] In the figure: 1. hopper; 2. sampling trough; 3. sampling head reducer; 4. coal crusher; 5. distributor; 6. coal sample position sensor; 7. sample collector; 70. sampling barrel; 71. rotating gear; 72. driving gear; 73. driving motor; 74. sampling barrel position sensor; 8. layout; 9. material guide trough; 10. conveyor belt; 11. speed feedback; 12. material adjustment plate; 13. coal drop barrel; 14. inverted Y-shaped layout barrel. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are all conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0022] like Figure 1-Figure 3 In this embodiment, it includes: a coal drop tube assembly, an inverted Y-shaped sample tube 14 and a sample collector 7;

[0023] The coal drop shaft assembly includes a hopper 1 and a coal drop shaft 13, the hopper 1 and the coal drop shaft 13 are arranged in an up-and-down stacking state, and the bottom of the coal drop shaft 13 is connected to the guide chute 9;

[0024] A coal crusher 4 is arranged at the upper part of the inverted Y-shaped lofting tube 14, and two left and right branches are formed at the bottom of the inverted Y-shaped lofting tube 14, the left branch is connected to the coal dropping tube 13, and the bottom end of the right branch is connected to the lofting device 8;

[0025] The sample collector 7 comprises: a sample collector tray 700 and a sample collector support 701. The sample collector tray 700 is mounted above the sample collector support 701. Four sampling barrels 70 are arranged in a circular array on the sample collector tray 700 according to the center position of the disk.

[0026] A sampling slot 2 is provided on the side wall inside the hopper 1, and the sampling slot 2 extends outward from the hopper 1, and the extension is connected to the upper end of the inverted Y-shaped sample tube 14;

[0027] The positions of the sampler 8 and one of the sampling barrels 70 correspond to each other vertically;

[0028] Specifically, the coal enters the inverted Y-shaped sampler 14 through the sampling trough 2, is crushed by the coal crusher 4, part of it returns to the coal drop tube 13 through a branch, and the other part reaches the sampler 8 through another branch, and finally enters the sampling barrel 70.

[0029] In this embodiment, the sampler 8 is provided with a coal sample position sensor 6 , and the bottom of the sample collector tray 700 is provided with a sampling barrel position sensor 74 , a driving motor 73 , a rotating gear 71 and a driving gear 72 .

[0030] Specifically, the coal sample position sensor 6 detects the fullness status of the sampling barrel 70 and sends a signal when the barrel is full. The sampling barrel position sensor 74 receives the signal, and the driving motor 73 drives the driving gear 72. The rotation of the driving gear 72 drives the rotating gear 71 to rotate together, so that the sample collector tray 700 switches to the next sampling barrel 70.

[0031] In this embodiment, the coal is transported into the coal drop chute 13 via a conveyor belt 10 , and a speed feedback device 11 is provided on the conveyor belt 10 .

[0032] In this embodiment, a distributor 5 is provided at the diversion point of the inverted Y-shaped lofting tube 14.

[0033] Specifically, when the coal passes through the speed feedback device 11, it drives the rotating plate of the speed feedback device 11 to rotate, and the speed feedback device 11 feeds back the speed to the distributor 5. When the conveyor belt speed is too high, the distributor 5 will narrow the channel leading to the branch of the sampler 8, thereby reducing the amount of coal in the coal chute 13; conversely, when the speed becomes smaller, the channel becomes larger, thereby increasing the amount of coal in the coal chute 13.

[0034] In this embodiment, a spiral tube is arranged inside the sampling trough 2 for delivering the coal to the inverted Y-shaped lofting tube 14 , and a sampling head reducer 3 is arranged at the end of the spiral tube close to the inverted Y-shaped lofting tube 14 .

[0035] It should be noted that the sampling head reducer 3 is adjusted according to the speed of the coal amount.

[0036] In this embodiment, a sampling cover is provided at the head of the sampler 8.

[0037] In this embodiment, the electronic control part is controlled by PRC.

[0038] Working process:

[0039] The electric control part is controlled by a PRC. First, the main coal dropping point of the hopper 1 is selected as the position for installing the sampling guide chute 9. The coal enters the inverted Y-shaped sampler 14 driven by the spiral tube in the sampler chute 9, and then the coal is crushed by the coal crusher 4 and continues to fall freely. After the angle is adjusted by the distributor 5, the coal is diverted, one part of the coal flows back to the coal dropping chute 13, and the other part of the coal is sent to the sampler 8. Finally, the switch of the sampler 8 controls the sampling barrel 70 to transport the sampling barrel 70 currently corresponding to the sampler 8. When the coal sample of the sampling barrel 70 reaches the upper limit, the coal sample position sensor 6 sends an instruction, which is controlled by the sampling barrel position sensor 74. The driving motor 73 drives the rotating gear 71 and the driving gear 72 to rotate the sampling barrel 70, so that the next one reaches the lower part of the sampler 8 until the sampling work is completed.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A new type of coal drop tube sampling device, comprising: The invention comprises a hopper (1) and a coal drop tube (13), wherein the hopper (1) and the coal drop tube (13) are arranged in an up-and-down stacking state, and the bottom of the coal drop tube (13) is connected to a material guide trough (9). The invention is characterized in that the invention further comprises: an inverted Y-shaped sample tube (14) and a sample collector (7) respectively arranged on the right side of the hopper (1), and the sample collector (7) is located at the bottom of the inverted Y-shaped sample tube (14); A coal crusher (4) is arranged inside the inverted Y-shaped lofting tube (14), and the bottom of the inverted Y-shaped lofting tube (14) is formed into two left and right branches, the left branch is connected to the coal dropping tube (13), and the bottom end of the right branch is connected to the lofting device (8); The sample collector (7) comprises: a sample collector tray (700) and a sample collector support (701); the sample collector tray (700) is mounted above the sample collector support (701); a plurality of sampling barrels (70) are arranged in a circular array on the sample collector tray (700) according to the center position of the disk; A sampling groove (2) is arranged on the side wall inside the hopper (1), and the sampling groove (2) extends outward from the hopper (1), and the extension part is connected to the upper end of the inverted Y-shaped sample placing tube (14); The positions of the sampler (8) and any sampling barrel (70) correspond to each other vertically. The coal enters the inverted Y-shaped sampler barrel (14) through the sampling slot (2), is crushed by the coal crusher (4), a part of the coal returns to the coal drop barrel (13) through the left branch, and the other part reaches the sampler (8) through the right branch, and finally enters the sampling barrel (70).

2. The novel coal hopper sampling device according to claim 1 is characterized in that: The sampler (8) is provided with a coal sample position sensor (6), and the bottom of the sample collector tray (700) is provided with a sampling bucket position sensor (74). The coal sample position sensor (6) detects whether the sampling bucket (70) is full or not, and sends a signal when the bucket is full. The sampling bucket position sensor (74) receives the signal, and the sample collector tray (700) switches to the next sampling bucket (70).

3. The novel coal hopper sampling device according to claim 1 is characterized in that: A rotating gear (71) and a driving gear (72) are arranged at the bottom of the sample collecting tray (700).

4. The novel coal hopper sampling device according to claim 1 is characterized in that: A distributor (5) is provided at the flow diversion position of the inverted Y-shaped lofting tube (14).

5. The novel coal hopper sampling device according to claim 1 is characterized in that: The coal is transported into the coal drop chute (13) via a conveyor belt (10).

6. The novel coal hopper sampling device according to claim 5 is characterized in that: A speed feedback device (11) is arranged above the belt of the conveyor belt (10). The speed feedback device (11) is used to detect the speed of the conveyor belt (10) through a rotating plate, and feed back the speed to the distributor (5) for angle adjustment of the distributor (5).

7. The novel coal hopper sampling device according to claim 1 is characterized in that: A spiral tube is arranged inside the sampling trough (2) for conveying the coal to the inverted Y-shaped sampling cylinder (14).

8. The novel coal hopper sampling device according to claim 7 is characterized in that: A sampling head reducer (3) is arranged at the end of the spiral tube close to the inverted Y-shaped lofting tube (14).

9. The novel coal hopper sampling device according to claim 1 is characterized in that: The head of the sampler (8) is provided with a sampling cover.

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