Sample collector for coal detection

Abstract

The utility model discloses a sample collector for coal detection, relates to the technical field of coal detection, and aims to solve the problems that the bottom end of a conveying auger is positioned outside a shell, so that the conveying auger cannot completely convey coal, the sampling efficiency is low, a sample cannot completely enter a discharge pipe, and the sampling efficiency is low in the prior art. In order to solve the problems that coal samples are extruded on the upper portion of a shell, the samples need to be dispersed during follow-up detection, and practicability is low, according to the scheme, the device comprises a base, a fixing mechanism is arranged at the top of the base, the fixing mechanism comprises a fixing rod and a fixing ring, a sampling assembly is arranged in the fixing ring, and a conveying assembly comprises a conveying shaft, a spiral blade and a rotating disc. According to the coal sampling device, coal can be completely conveyed and prevented from falling off, meanwhile, the conveying pipe can be prevented from being blocked by large-block coal, the sampling efficiency is improved, the sampling barrel can be quickly disassembled and assembled, meanwhile, the coal can be prevented from being extruded during sampling, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal detection, in particular to a sample collector for coal detection. Background Art

[0002] In the coal mining industry, the mined coal needs to be tested. The testing indicators of coal include calorific value, sulfur content (sulfur content), ash, volatile matter, fixed carbon, coke slag characteristics, total moisture, analytical water and other indicators. Coal sampling is required before testing.

[0003] After searching, a Chinese patent (application number "202221695150.5") discloses "a sampling device for coal mining quality inspection". The above device includes a support plate, a discharge pipe and a positioning mechanism. The support plate is provided with an annular opening, a shell is slidably installed in the annular opening, a feeding auger is rotatably installed inside the shell, the discharge pipe is arranged on the shell, sampling pipes are arranged on the front and rear sides of the discharge pipe, fixed blocks are fixedly installed on the front and rear sides of the discharge pipe, the positioning mechanism is arranged on the fixed block, a cavity is provided on the fixed block, and the positioning mechanism includes a sliding block slidably installed in the cavity. However, the above device has the following problems during use:

[0004] 1. When sampling coal, the bottom end of the feeding auger is located outside the shell, which makes it impossible for the feeding auger to fully transport the coal, resulting in low sampling efficiency;

[0005] 2. When sampling, the coal sample is transported to the upper part of the shell, and the coal sample cannot completely enter the discharge pipe, causing the coal sample to be squeezed at the upper part of the shell. The sample needs to be dispersed for subsequent testing, which has low practicality. Utility Model Content

[0006] The utility model provides a sample collector for coal detection, which solves the problem that the bottom end of the feed auger is located outside the shell in the comparative document, resulting in the feed auger being unable to completely transport the coal, low sampling efficiency, and the sample being unable to completely enter the discharge pipe, causing the coal sample to be squeezed on the upper part of the shell, and the sample needs to be dispersed for subsequent detection, resulting in low practicality.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A sample collector for coal detection comprises a base, a fixing mechanism is provided on the top of the base, the fixing mechanism comprises a fixing rod and a fixing ring, a sampling assembly is provided in the fixing ring, the sampling assembly comprises a conveying pipe, a sampling shovel, a connecting pipe and a fixing cover, a conveying assembly is provided in the conveying pipe, the conveying assembly comprises a conveying shaft, a spiral blade and a turntable, four reset mechanisms are provided on the top of the base, the reset mechanisms comprise a mounting rod and a reset spring, a support seat is provided above the base, and a sampling barrel is provided on the top of the support seat.

[0009] Preferably, the fixing rod is connected to the outer wall of the top of the base by bolts, and a rubber ring is fixed on the outer wall of the lower part of the fixing rod, and the fixing ring is fixed on the outer wall of the top end of the fixing rod.

[0010] Preferably, the conveying pipe is connected to the inner wall of the fixing ring by bolts, and the sampling shovel is fixed on the outer wall of one end of the conveying pipe, the connecting pipe is fixed on the inner wall of one end of the bottom of the conveying pipe, and the fixing cover is screwed on the outer wall of the conveying pipe near one end of the connecting pipe.

[0011] Preferably, one end of the conveying shaft passes through and is connected to the outer wall of one side of the fixed cover through a bearing, and the spiral blade is fixedly arranged on the outer wall of the conveying shaft located in the conveying pipe, two fixing blocks are fixedly arranged on the outer wall of one end of the conveying pipe, and mounting columns are fixedly arranged on the outer walls of one side of the two fixing blocks, mounting rings are fixedly arranged on the outer walls on the opposite sides of the two mounting columns, and one end of the conveying shaft is connected to the mounting ring through a bearing, the turntable is fixedly arranged on the outer wall of one end of the conveying shaft, and a handle is arranged on the outer wall of one side of the turntable.

[0012] Through the above scheme, hold the rubber ring so that the sampling shovel is inserted into the coal pile to be sampled at an angle upward, then hold the handle with the other hand and rotate the handle along the axis of the conveying shaft. The conveying shaft drives the spiral blade to rotate, and then the sampling shovel guides the coal into the conveying pipe. Then the spiral blade transports the coal to the connecting pipe. When sampling, shake the sampling shovel to shake off large pieces of coal to prevent large pieces of coal from clogging the conveying pipe.

[0013] Preferably, the mounting rod is connected to the top outer wall of the base by bolts, and the return spring is sleeved on the lower outer wall of the mounting rod, and a limit block is screwed on the upper outer wall of the mounting rod.

[0014] Preferably, four through holes are opened on the outer wall of the top of the support seat, and the support seat is slidably mounted on the outer walls of the four mounting rods respectively.

[0015] Preferably, the sampling tube abuts against the outer wall of the top of the support seat, and the sampling tube is threadedly connected to the outer wall of the lower part of the connecting tube.

[0016] Through the above scheme, the support seat is pressed, and the support seat descends along the mounting rod, thereby squeezing the four return springs, and then the sampling tube is placed on the support seat, and then the sampling tube is rotated and screwed onto the connecting pipe. The spiral blade transports the coal sample into the connecting pipe, and then the coal sample falls into the sampling tube.

[0017] The beneficial effects of the utility model are:

[0018] 1. A fixing mechanism, a sampling assembly and a conveying assembly are provided. Hold the rubber ring so that the sampling shovel is inserted into the coal pile to be sampled at an angle upward. Then hold the handle with the other hand and rotate the handle along the axis of the conveying shaft. The conveying shaft drives the spiral blade to rotate. Then the sampling shovel guides the coal into the conveying pipe. Then the spiral blade conveys the coal to the connecting pipe. When sampling, shake the sampling shovel to shake off large pieces of coal to prevent large pieces of coal from clogging the conveying pipe. The coal can be completely conveyed to prevent coal from falling. At the same time, it can prevent large pieces of coal from clogging the conveying pipe, thereby improving the sampling efficiency.

[0019] 2. A reset mechanism, a support seat and a sampling barrel are provided. The support seat is pressed, and the support seat descends along the mounting rod, thereby squeezing the four reset springs. The sampling barrel is then placed on the support seat. The sampling barrel is then rotated and screwed onto the connecting pipe. The spiral blades transport the coal sample into the connecting pipe, and then the coal sample falls into the sampling barrel. The sampling barrel can be quickly disassembled and assembled, and the coal can be prevented from being squeezed during sampling, thereby improving practicality.

[0020] In summary, the utility model can completely transport coal and prevent it from falling, and can also prevent large pieces of coal from clogging the transport pipe, thereby improving the sampling efficiency, and can quickly disassemble and assemble the sampling tube, and can also prevent the coal from being squeezed during sampling, thereby improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main three-dimensional structure of a sample collector for coal detection proposed by the utility model.

[0022] Figure 2 The present invention is a schematic diagram of the fixing mechanism structure of a sample collector for coal detection proposed by the present invention.

[0023] Figure 3 The utility model provides a schematic diagram of the structure of a sampling assembly of a sample collector for coal detection.

[0024] Figure 4 The utility model is a schematic diagram of the structure of a conveying component of a sample collector for coal detection.

[0025] Figure 5The utility model proposed Figure 4 Enlarged structural diagram at A in the middle.

[0026] Figure 6 The utility model is a schematic diagram of the reset mechanism structure of a sample collector for coal detection.

[0027] Figure 7 The present invention is a schematic diagram of the control mechanism structure of a sample collector for coal detection proposed by the present invention.

[0028] In the figure: 1. base; 2. fixing mechanism; 201. fixing rod; 202. rubber ring; 203. fixing ring; 3. sampling assembly; 301. delivery pipe; 302. sampling shovel; 303. connecting pipe; 304. fixing cover; 4. delivery assembly; 401. delivery shaft; 402. spiral blade; 403. fixing block; 404. mounting column; 405. mounting ring; 406. turntable; 5. reset mechanism; 501. mounting rod; 502. reset spring; 503. limit block; 6. support seat; 7. sampling cylinder. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Example 1, reference Figure 1-5A sample collector for coal detection comprises a base 1, a fixing mechanism 2 is arranged on the top of the base 1, the fixing mechanism 2 comprises a fixing rod 201 and a fixing ring 203, the fixing rod 201 is connected to the outer wall of the top of the base 1 by bolts, a rubber ring 202 is fixed on the outer wall of the lower part of the fixing rod 201, the fixing ring 203 is fixed on the outer wall of the top of the fixing rod 201, a sampling assembly 3 is arranged in the fixing ring 203, the sampling assembly 3 comprises a conveying pipe 301, a sampling shovel 302, a connecting pipe 303 and a fixing cover 304, the conveying pipe 301 is connected to the inner wall of the fixing ring 203 by bolts, the sampling shovel 302 is fixed on the outer wall of one end of the conveying pipe 301, the connecting pipe 303 is fixed on the inner wall of the bottom end of the conveying pipe 301, and the fixing cover 304 is screwed to the conveying pipe 30 On the outer wall near one end of the connecting pipe 303, a conveying assembly 4 is arranged in the conveying pipe 301, and the conveying assembly 4 includes a conveying shaft 401, a spiral blade 402 and a turntable 406. One end of the conveying shaft 401 penetrates and is connected to the outer wall of one side of the fixing cover 304 through a bearing. The spiral blade 402 is fixedly arranged on the outer wall of the conveying shaft 401 located in the conveying pipe 301. Two fixing blocks 403 are fixedly arranged on the outer wall of one end of the conveying pipe 301. Both of the two fixing blocks 403 are fixedly arranged on the outer wall of one side. A mounting ring 405 is fixedly arranged on the outer wall of the opposite side of the two mounting columns 404. One end of the conveying shaft 401 is connected to the mounting ring 405 through a bearing. The turntable 406 is fixedly arranged on the outer wall of one end of the conveying shaft 401. A handle is arranged on the outer wall of one side of the turntable 406.

[0031] Example 2, reference Figure 1 and Figure 6-7 A sample collector for coal detection also includes four reset mechanisms 5, which include a mounting rod 501 and a reset spring 502. The mounting rod 501 is connected to the top outer wall of the base 1 by bolts, and the reset spring 502 is sleeved on the lower outer wall of the mounting rod 501. A limit block 503 is screwed on the upper outer wall of the mounting rod 501. A support seat 6 is provided above the base 1. Four through holes are opened on the top outer wall of the support seat 6. The support seat 6 is slidably sleeved on the outer walls of the four mounting rods 501 respectively. A sampling tube 7 is provided on the top of the support seat 6. The sampling tube 7 abuts against the top outer wall of the support seat 6, and the sampling tube 7 is screwed on the lower outer wall of the connecting pipe 303.

[0032] Working principle: press the support seat 6, the support seat 6 descends along the mounting rod 501, and then squeezes the four return springs 502, then put the sampling tube 7 on the support seat 6, then rotate the sampling tube 7, screw the sampling tube 7 on the connecting pipe 303, hold the rubber ring 202, so that the sampling shovel 302 is inserted into the coal pile to be sampled at an angle, then hold the handle with the other hand and rotate the handle along the axis of the conveying shaft 401, the conveying shaft 401 drives the spiral blade 402 to rotate, then the sampling shovel 302 guides the coal into the conveying pipe 301, and then the spiral blade 402 transports the coal to the connecting pipe 303. When sampling, shake the sampling shovel 302 to shake off large pieces of coal to prevent large pieces of coal from clogging the conveying pipe 301. The spiral blade 402 transports the coal sample to the connecting pipe 303, and then the coal sample falls into the sampling tube 7.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sample collector for coal detection, comprising a base (1), characterized in that: A fixing mechanism (2) is provided on the top of the base (1), and the fixing mechanism (2) comprises a fixing rod (201) and a fixing ring (203); A sampling assembly (3) is provided in the fixing ring (203), and the sampling assembly (3) comprises a conveying tube (301), a sampling shovel (302), a connecting tube (303) and a fixing cover (304); A conveying assembly (4) is provided in the conveying pipe (301), and the conveying assembly (4) comprises a conveying shaft (401), a spiral blade (402) and a rotating disk (406); Four reset mechanisms (5) are provided on the top of the base (1), and the reset mechanisms (5) include a mounting rod (501) and a reset spring (502); A support seat (6) is provided above the base (1), and a sampling tube (7) is provided on the top of the support seat (6).

2. A sample collector for coal detection according to claim 1, characterized in that: The fixing rod (201) is connected to the top outer wall of the base (1) by means of bolts, and a rubber ring (202) is fixedly arranged on the lower outer wall of the fixing rod (201), and the fixing ring (203) is fixedly arranged on the top outer wall of the fixing rod (201).

3. A sample collector for coal detection according to claim 1, characterized in that: The delivery pipe (301) is connected to the inner wall of the fixing ring (203) by means of bolts, and the sampling shovel (302) is fixedly arranged on the outer wall of one end of the delivery pipe (301), the connecting pipe (303) is fixedly arranged on the inner wall of one end of the bottom of the delivery pipe (301), and the fixing cover (304) is screwed on the outer wall of the delivery pipe (301) near one end of the connecting pipe (303).

4. A sample collector for coal detection according to claim 1, characterized in that: One end of the conveying shaft (401) passes through and is connected to the outer wall of one side of the fixed cover (304) via a bearing, and the spiral blade (402) is fixedly arranged on the outer wall of the conveying shaft (401) located inside the conveying tube (301), two fixing blocks (403) are fixedly arranged on the outer wall of one end of the conveying tube (301), and mounting columns (404) are fixedly arranged on the outer walls of one side of the two fixing blocks (403), and mounting rings (405) are fixedly arranged on the outer walls of the opposite sides of the two mounting columns (404), and one end of the conveying shaft (401) is connected to the mounting ring (405) via a bearing, and the turntable (406) is fixedly arranged on the outer wall of one end of the conveying shaft (401), and a handle is arranged on the outer wall of one side of the turntable (406).

5. A sample collector for coal detection according to claim 1, characterized in that: The mounting rod (501) is connected to the top outer wall of the base (1) by means of bolts, and the return spring (502) is sleeved on the lower outer wall of the mounting rod (501), and a limit block (503) is screwed on the upper outer wall of the mounting rod (501).

6. A sample collector for coal detection according to claim 1, characterized in that: Four through holes are formed on the top outer wall of the support seat (6), and the support seat (6) is slidably sleeved on the outer walls of the four mounting rods (501) respectively.

7. A sample collector for coal detection according to claim 1, characterized in that: The sampling tube (7) abuts against the top outer wall of the support seat (6), and the sampling tube (7) is screwed onto the lower outer wall of the connecting tube (303).

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