Coal mine underground drilling sampling device

Abstract

The utility model belongs to the technical field of sampling devices, and particularly relates to a coal mine underground drilling sampling device which comprises a drilling board. A mounting groove is formed in the bottom of the drilling plate, and a first motor is fixedly connected to the inner top wall of the mounting groove; through the arrangement of the positioning mechanism, the sampling mode can be replaced, the feeding groove can be sealed conveniently after sampling is finished, the integrity of a sampled sample is guaranteed, the sampling efficiency is improved, the device can be moved to a coal mine well, the first motor is started to drive the fixing plate and the drilling pipe to rotate to drill the sample, and the sampling efficiency is improved. After sampling is completed, a second motor can be started to drive a second gear to rotate, the second gear drives two first gears to rotate, the first gears drive a lead screw to rotate, the lead screw rotates to drive a shielding block to move downwards, and therefore the shielding block shields and protects the feeding groove; and a sampled sample is blocked in the drilling pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of sampling devices, in particular to a coal mine underground drilling sampling device. Background Art

[0002] When coal seams are formed, they are generally horizontal or nearly horizontal, and continuous and complete within a certain range. Before mining, drilling sampling equipment is required to sample and test the coal resources in the mine to detect the content of each component of the coal and whether it has mining value.

[0003] However, after the sampling device is used to complete the sampling, when the sampling tube is pulled upward, the sample inside the sample chamber space is prone to fall downward, which may easily cause the sample taken in a single time to fail to reach the specified sample amount, requiring multiple samplings, which is more troublesome; therefore, a coal mine underground drilling sampling device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and solve the problem that after the sampling device is used to complete the sampling, the sample inside the sample chamber space is prone to fall down when the sampling tube is pulled upward, which easily causes the sample taken in a single time to fail to reach the specified sample quantity and requires multiple sampling, which is more troublesome, a coal mine underground drilling sampling device is proposed.

[0005] The technical solution adopted by the present invention to solve the technical problem is as follows: the present invention provides an underground coal mine drilling sampling device, comprising a drilling plate; a mounting groove is provided at the bottom of the drilling plate, a first motor is fixedly connected to the top wall of the mounting groove, an output end of the first motor is fixedly connected to a fixing plate, a drilling pipe is fixedly connected to the bottom of the fixing plate via a transmission ring, a drilling probe is fixedly connected to the bottom of the drilling pipe, a feed groove is provided on one side of an outer wall of the drilling pipe, and a second motor is fixedly connected to the bottom plate of the fixing plate;

[0006] The drilling pipe is provided with a positioning mechanism, which includes an engaging groove provided on the top wall of the feed trough, a blocking block being slidably connected in the engaging groove, the bottom of the fixed plate is rotatably connected to a transmission rod, the bottom end of the transmission rod is fixedly connected to the first gear, a threaded hole is provided on the top of the blocking block, a screw rod is threadedly connected in the threaded hole, the top of the screw rod extends out of the threaded hole and passes through the drilling pipe, the screw rod is located at one end of the outside and is fixedly connected to the bottom of the first gear, the top of the drilling pipe is rotatably connected to the second gear through the positioning rod, the first gear is meshed with the second gear, and the output end of the second motor is fixedly connected to the top of the second gear. Through the setting of the positioning mechanism, the sampling mode can be changed, and the feed trough can be closed after the sampling is completed to ensure the integrity of the sampled sample and improve the sampling efficiency.

[0007] Preferably, the inner bottom wall of the drilling tube is rotatably connected to a scraper plate through a rotating shaft, and a brush is provided on one side of the scraper plate. Through the provision of the scraper plate, when taking out the sample, the scraper plate can be manually moved to scrape off the sample remaining on the inner wall of the drilling tube, thereby avoiding sample contamination during subsequent sampling.

[0008] Preferably, the inner top wall of the drilling pipe is rotatably connected to the third gear through a rotating shaft, the inner side wall of the drilling pipe is fixedly connected to a blocking plate, the bottom of the third gear is fixedly connected to the top of the scraper plate through a fixing rod, the top of the blocking plate is rotatably connected to a driving rod, the outer wall of the driving rod is fixedly connected to a fourth gear, the fourth gear is meshed with the third gear, the top end of the driving rod passes through the drilling pipe, the fixing plate and the drilling plate in sequence and is connected to the outside world. Through the arrangement of the third gear, the fourth gear, the driving rod and the blocking plate, the scraper plate can be driven to rotate conveniently to avoid fingers getting stuck in the drilling pipe.

[0009] Preferably, a knob is fixedly connected to the top end of the driving rod, and a sealing gasket is provided on the outer wall of the knob. The setting of the knob facilitates the driving rod to rotate by turning the knob.

[0010] Preferably, the inner bottom wall of the engaging groove is fixedly connected with a guide rod, the top end of the guide rod passes through the shielding block and is elastically connected to the inner top wall of the engaging groove. The setting of the guide rod can facilitate the movement of the shielding block.

[0011] Preferably, a gripping block is fixedly connected to one side of the outer wall of the drilling plate, and an anti-slip sleeve is provided on the outer wall of the gripping block. The provision of the gripping block facilitates operation of the device by holding the gripping block.

[0012] Preferably, a heat dissipation hole is provided on one side of the outer wall of the drilling plate, and a dustproof net is provided in the heat dissipation hole. The heat generated by the operation of the second motor can be easily dissipated through the provision of the heat dissipation hole.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a drilling sampling device for coal mines. Through the setting of a positioning mechanism, the sampling mode can be changed, and the feed trough can be closed after the sampling is completed to ensure the integrity of the sampled samples and improve the sampling efficiency. The device can be moved to the coal mine, and the first motor can be started to drive the fixed plate and the drilling pipe to rotate to drill samples, and the drilling pipe can be operated to move so that the samples in the coal mine are introduced into the drilling pipe through the feed trough. When the sampling is completed, the second motor can be started to drive the second gear to rotate, and the second gear drives the two first gears to rotate. The first gear drives the screw to rotate, and the screw rotation drives the blocking block to move downward, so that the blocking block blocks the feed trough for protection, so as to block the sampled samples in the drilling pipe.

[0015] 2. The utility model provides an underground drilling sampling device for coal mines. Through the arrangement of the third gear, the fourth gear, the driving rod and the blocking plate, the scraper plate can be driven to rotate to avoid fingers getting stuck in the drilling pipe. That is, after the sample is poured out of the drilling pipe, the driving rod is rotated to drive the fourth gear to rotate, and the fourth gear drives the scraper plate to rotate through the third gear and the fixed rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is one of the cross-sectional structural diagrams of the drilling pipe in the present utility model;

[0019] Figure 3 This is the second cross-sectional structural diagram of the drilling pipe in the present utility model;

[0020] Figure 4 It is a three-dimensional diagram of the drilling plate in the present utility model;

[0021] Figure 5 This is the third cross-sectional structural diagram of the drilling pipe in the present utility model;

[0022] Legend:

[0023] 1. Drilling plate; 2. First motor; 3. Fixing plate; 4. Drilling pipe; 5. Drilling head; 6. Feed chute; 7. Second motor; 8. Positioning mechanism; 81. Blocking block; 82. Engaging groove; 83. Transmission rod; 84. First gear; 85. Screw; 86. Second gear; 9. Scraping plate; 10. Third gear; 11. Fourth gear; 12. Blocking plate; 13. Knob; 14. Guide rod; 15. Grip block; 16. Heat dissipation hole. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5 The utility model provides an underground coal mine drilling sampling device, comprising a drilling plate 1; a mounting groove is provided at the bottom of the drilling plate 1, a first motor 2 is fixedly connected to the top wall of the mounting groove, an output end of the first motor 2 is fixedly connected to a fixing plate 3, a drilling pipe 4 is fixedly connected to the bottom of the fixing plate 3 via a transmission ring, a drilling probe 5 is fixedly connected to the bottom of the drilling pipe 4, a feed groove 6 is provided on one side of the outer wall of the drilling pipe 4, and a second motor 7 is fixedly connected to the bottom plate of the fixing plate 3;

[0027] A positioning mechanism 8 is provided on the drilling pipe 4. The positioning mechanism 8 includes an engaging groove 82 provided on the top wall of the feed trough 6. A blocking block 81 is slidably connected in the engaging groove 82. The bottom of the fixed plate 3 is rotatably connected to a transmission rod 83. The bottom end of the transmission rod 83 is fixedly connected to a first gear 84. A threaded hole is provided on the top of the blocking block 81. A screw rod 85 is threadedly connected in the threaded hole. The top of the screw rod 85 extends out of the threaded hole and passes through the drilling pipe 4. The screw rod 85 is located at one end of the outside and is fixedly connected to the bottom of the first gear 84. The top of the drilling pipe 4 is rotatably connected to the second gear 86 through the positioning rod. The first gear 84 is meshed with the second gear 86, and the output end of the second motor is fixedly connected to the top of the second gear 86. When working, By setting the positioning mechanism 8, the sampling mode can be changed, and the feed trough 6 can be closed after the sampling is completed to ensure the integrity of the sampled samples and improve the sampling efficiency. The device can be moved to the coal mine, and the first motor 2 is started to drive the fixed plate 3 and the drilling pipe 4 to rotate to drill samples, and the drilling pipe 4 is operated to move so that the samples in the coal mine are introduced into the drilling pipe 4 through the feed trough 6. When the sampling is completed, the second motor 7 can be started to drive the second gear 86 to rotate, and the second gear 86 drives the two first gears 84 to rotate. The first gear 84 drives the screw rod 85 to rotate, and the screw rod 85 rotates to drive the blocking block 81 to move downward, so that the blocking block 81 blocks and protects the feed trough 6 to block the sampled samples in the drilling pipe 4.

[0028] Further, such as Figure 2 and Figure 5 As shown, the inner bottom wall of the drill pipe 4 is rotatably connected to a scraper plate 9 via a rotating shaft. A brush is provided on one side of the scraper plate 9. During operation, the scraper plate 9 can be manually moved to scrape off any sample remaining on the inner wall of the drill pipe 4 when removing the sample, thereby preventing contamination of the sample during subsequent sampling.

[0029] Further, such as Figure 2As shown, the inner top wall of the drilling tube 4 is rotatably connected to a third gear 10 via a rotating shaft. The inner side wall of the drilling tube 4 is fixedly connected to a baffle plate 12. The bottom of the third gear 10 is fixedly connected to the top of the scraper plate 9 via a fixed rod. The top of the baffle plate 12 is rotatably connected to a driving rod. The outer wall of the driving rod is fixedly connected to a fourth gear 11. The fourth gear 11 is meshed with the third gear 10. The top of the driving rod passes through the drilling tube 4, the fixed plate 3, and the drilling plate 1 in sequence and is connected to the outside world. During operation, the arrangement of the third gear 10, the fourth gear 11, the driving rod, and the baffle plate 12 facilitates the rotation of the scraper plate 9, preventing fingers from being stuck in the drilling tube 4. That is, after pouring the sample out of the drilling tube 4, the driving rod is rotated to drive the fourth gear 11 to rotate. The fourth gear 11 drives the scraper plate 9 to rotate through the third gear 10 and the fixed rod.

[0030] Further, such as Figure 1 and Figure 2 As shown, the top end of the driving rod is fixedly connected with a knob 13, and a sealing gasket is provided on the outer wall of the knob 13. During operation, the knob 13 is provided so that the driving rod can be rotated by rotating the knob 13.

[0031] Further, such as Figure 5 As shown, the inner bottom wall of the fitting groove 82 is fixedly connected to the guide rod 14, the top end of the guide rod 14 passes through the shielding block 81 and is elastically connected to the inner top wall of the fitting groove 82. During operation, the setting of the guide rod 14 can facilitate the movement of the shielding block 81.

[0032] Further, such as Figure 1 and Figure 4 As shown, a gripping block 15 is fixedly connected to one side of the outer wall of the drilling plate 1, and an anti-slip sleeve is provided on the outer wall of the gripping block 15. When working, the gripping block 15 can be easily operated by holding the gripping block 15.

[0033] Further, such as Figure 1 and Figure 4 As shown, a heat dissipation hole 16 is provided on one side of the outer wall of the drilling plate 1, and a dustproof net is provided in the heat dissipation hole 16. During operation, the heat generated by the operation of the second motor 7 can be easily dissipated through the provision of the heat dissipation hole 16.

[0034] Working principle: Move the device to the coal mine, and start the first motor 2 to drive the fixed plate 3 and the drilling pipe 4 to rotate to drill samples, and operate the drilling pipe 4 to move so that the samples in the coal mine are introduced into the drilling pipe 4 through the feed trough 6. When the sampling is completed, the second motor 7 can be started to drive the second gear 86 to rotate, and the second gear 86 drives the two first gears 84 to rotate. The first gear 84 drives the screw rod 85 to rotate, and the screw rod 85 rotates to drive the blocking block 81 to move downward, so that the blocking block 81 blocks and protects the feed trough 6 to block the sampled sample in the drilling pipe 4.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A coal mine underground drilling sampling device, characterized by: The drilling plate (1) comprises a mounting groove at the bottom of the drilling plate (1), a first motor (2) being fixedly connected to the top wall of the mounting groove, a fixing plate (3) being fixedly connected to the output end of the first motor (2), a drilling pipe (4) being fixedly connected to the bottom of the fixing plate (3) via a transmission ring, a drilling probe (5) being fixedly connected to the bottom of the drilling pipe (4), a feed groove (6) being provided on one side of the outer wall of the drilling pipe (4), and a second motor (7) being fixedly connected to the bottom plate of the fixing plate (3); The drilling pipe (4) is provided with a positioning mechanism (8), the positioning mechanism (8) includes an engaging groove (82) provided on the inner top wall of the feed trough (6), a blocking block (81) is slidably connected in the engaging groove (82), the bottom of the fixed plate (3) is rotatably connected to a transmission rod (83), the bottom end of the transmission rod (83) is fixedly connected to a first gear (84), a threaded hole is provided at the top of the blocking block (81), a screw rod (85) is threadedly connected in the threaded hole, the top end of the screw rod (85) extends out of the threaded hole and passes through the drilling pipe (4), the screw rod (85) is located at one end of the outside and is fixedly connected to the bottom of the first gear (84), the top of the drilling pipe (4) is rotatably connected to a second gear (86) through the positioning rod, the first gear (84) is meshed with the second gear (86), and the output end of the second motor is fixedly connected to the top of the second gear (86).

2. The underground coal mine drilling sampling device according to claim 1, characterized in that: The inner bottom wall of the drilling pipe (4) is rotatably connected to a scraper plate (9) via a rotating shaft, and a brush is provided on one side of the scraper plate (9).

3. The underground coal mine drilling sampling device according to claim 2, characterized in that: The inner top wall of the drilling pipe (4) is rotatably connected to a third gear (10) via a rotating shaft, the inner side wall of the drilling pipe (4) is fixedly connected to a blocking plate (12), the bottom of the third gear (10) is fixedly connected to the top of the scraping plate (9) via a fixing rod, the top of the blocking plate (12) is rotatably connected to a driving rod, the outer wall of the driving rod is fixedly connected to a fourth gear (11), the fourth gear (11) is meshed with the third gear (10), and the top end of the driving rod passes through the drilling pipe (4), the fixing plate (3) and the drilling plate (1) in sequence and is communicated with the outside.

4. The underground coal mine drilling sampling device according to claim 3, characterized in that: The top end of the driving rod is fixedly connected with a knob (13), and the outer wall of the knob (13) is provided with a sealing gasket.

5. The underground coal mine drilling sampling device according to claim 4, characterized in that: The inner bottom wall of the fitting groove (82) is fixedly connected to a guide rod (14), and the top end of the guide rod (14) passes through the shielding block (81) and is elastically connected to the inner top wall of the fitting groove (82).

6. The underground coal mine drilling sampling device according to claim 5, characterized in that: A gripping block (15) is fixedly connected to one side of the outer wall of the drilling plate (1), and an anti-slip sleeve is provided on the outer wall of the gripping block (15).

7. The underground coal mine drilling sampling device according to claim 6, characterized in that: A heat dissipation hole (16) is provided on one side of the outer wall of the drilling plate (1), and a dustproof net is provided in the heat dissipation hole (16).

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