A soil bulk density sampler

Abstract

A soil bulk density sampler comprises a support plate, a support rod, a sampling mechanism and a cleaning mechanism; the sampling mechanism comprises a sampling tube and a telescopic assembly, the telescopic assembly is detachably connected to the support plate, a through slot is provided on the support plate, the bottom end of the telescopic assembly passes through the through slot, and the top end of the sampling tube is rotatably connected to the bottom end of the telescopic assembly; the cleaning mechanism comprises a sliding frame, a bidirectional screw rod, a guide rod, a sliding rod and a scraper, the sliding frame is fixedly arranged at the bottom end of the support rod, the bidirectional screw rod is inserted into one end of the sliding frame and is rotatably connected to the sliding frame, the guide rod is fixedly arranged at the other end of the sliding frame, the two ends of the sliding rod are respectively sleeved on the bidirectional screw rod or the guide rod and slide horizontally along the sliding frame through the bidirectional screw rod and the guide rod, and the scraper is fixedly arranged on the top surface of the sliding rod and contacts the sampling tube. The utility model provides a scraper, and the scraper is used in coordination with the sliding frame, the bidirectional screw rod, the guide rod and the sliding rod to clean the outer wall and the inner wall of the sampling tube, so as to prevent the soil from sticking to the sampling tube and affecting the accuracy of subsequent sampling work.

Description

Technical Field

[0001] The utility model relates to the technical field of soil sample collection, and more specifically, particularly relates to a soil bulk density sampler. Background Art

[0002] Soil bulk density should be called dry bulk density, also known as soil pseudo-specific gravity. It refers to the ratio of the weight of a certain volume of soil (including soil particles and pores between particles) after drying to the weight of the same volume of water. Soil bulk density is related to soil texture, compaction condition, soil particle density, soil organic matter content and various soil management measures.

[0003] The patent with authorization announcement number CN219511847U discloses a sampling device for measuring soil bulk density, including a frame, a soil sampling ring is slidably arranged on the frame, an electric push rod is provided on the frame for driving the soil sampling ring to slide, the movable end of the electric push rod is connected to one end of the soil sampling ring, and a cleaning component is provided on the frame for scraping off excess soil at the end of the soil sampling ring. This patent facilitates rapid sampling, but this patent cannot clean the sampling tube in time, affecting the accuracy of subsequent sampling work. Utility Model Content

[0004] The utility model aims to provide a soil bulk density sampler to overcome the problem that the sampling tube cannot be cleaned in time, which affects the accuracy of subsequent sampling work.

[0005] A soil bulk density sampler comprises a support plate, a support rod, a sampling mechanism and a cleaning mechanism, wherein the sampling mechanism is arranged on the support plate, the support plate is fixedly arranged on the top end of the support rod, and the cleaning mechanism is arranged on the bottom end of the support rod;

[0006] The sampling mechanism includes a sampling tube and a telescopic assembly. The telescopic assembly is detachably connected to the support plate. A through slot is provided on the support plate. The bottom end of the telescopic assembly passes through the through slot. The top end of the sampling tube is rotatably connected to the bottom end of the telescopic assembly.

[0007] The cleaning mechanism includes a sliding frame, a bidirectional screw rod, a guide rod, a sliding rod and a scraper. The sliding frame is fixedly arranged at the bottom end of the support rod, the bidirectional screw rod is inserted at one end of the sliding frame and is rotatably connected to the sliding frame, the guide rod is fixedly arranged at the other end of the sliding frame, both ends of the sliding rod are respectively sleeved on the bidirectional screw rod or the guide rod and slide horizontally along the sliding frame through the bidirectional screw rod and the guide rod, and the scraper is fixedly arranged on the top surface of the sliding rod and contacts with the sampling tube.

[0008] Furthermore, an insert cylinder is fixedly provided at one end of the outer wall of the sliding frame, the insert cylinder is connected to the interior of the sliding frame, one end of the bidirectional screw rod passes through the insert cylinder and is fixedly provided with a rotating handle for rotating the bidirectional screw rod.

[0009] Furthermore, a locking screw for locking the rotary handle is inserted into the side wall of the insert cylinder.

[0010] Furthermore, the telescopic assembly includes a fixed tube, a connecting plate, a fixed screw, a vertical rod and a connecting frame. The connecting plate is fixedly arranged at the bottom end of the fixed tube, the bottom surface of the connecting plate is in contact with the top surface of the supporting plate, the fixed screw passes through the four corners of the connecting plate and is screwed to the top surface of the supporting plate, the top end of the vertical rod is inserted into the fixed tube and slides vertically along the inside of the fixed tube, the bottom end of the vertical rod passes through the connecting plate, the connecting frame passes through the through groove and is fixedly arranged at the bottom end of the vertical rod, and the sampling tube is rotatably connected to the connecting frame.

[0011] Furthermore, the telescopic assembly also includes a threaded rod, which is inserted into the fixed tube and rotatably connected to the fixed tube. Slide blocks are fixedly provided on the top ends of the two vertical rods. The slide blocks are sleeved on the threaded rod and slide vertically along the fixed tube through the threaded rod.

[0012] Furthermore, a groove is formed at the top of the fixing tube, and the top of the threaded rod passes through the groove and is fixedly provided with a first motor for rotating the threaded rod.

[0013] Furthermore, a second motor is fixedly arranged in the connection frame, and the top end of the sampling tube passes through the connection frame and is fixedly connected to the output shaft of the second motor.

[0014] Furthermore, connecting pieces are fixedly provided at the four corners of the outer wall of the sliding frame, and positioning pins for the positioning device are inserted into the connecting pieces.

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

[0016] ① The soil bulk density sampler provided by the utility model is provided with a scraper, and the scraper is used in cooperation with the sliding frame, the bidirectional screw rod, the guide rod and the sliding rod to clean the outer wall and the inner wall of the sampling tube, so as to prevent the soil from sticking to the sampling tube and affecting the accuracy of subsequent sampling work.

[0017] ② The soil bulk density sampler provided by the utility model is provided with an insert tube and a locking screw, and the insert tube and the locking screw are used in combination to lock and fix the rotary handle, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the soil bulk density sampler in the utility model.

[0020] Figure 2 It is a specific structural schematic diagram of the cleaning mechanism in the utility model.

[0021] Figure 3 It is a specific structural schematic diagram of the telescopic component in the utility model.

[0022] In the figure: 1. support plate; 2. support rod; 3. sampling tube; 4. through groove; 5. slide frame; 6. bidirectional screw rod; 7. guide rod; 8. slide rod; 9. scraper; 10. insert tube; 11. rotary handle; 12. locking screw; 13. fixed tube; 14. connecting plate; 15. fixing screw; 16. vertical rod; 17. connecting frame; 18. threaded rod; 19. slider; 20. groove; 21. first motor; 22. second motor; 23. connecting piece; 24. positioning nail. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1 As shown, a soil bulk density sampler comprises a support plate 1, a support rod 2, a sampling mechanism and a cleaning mechanism, wherein the sampling mechanism is arranged on the support plate 1, the support plate 1 is fixedly arranged at the top end of the support rod 2, and the cleaning mechanism is arranged at the bottom end of the support rod 2, specifically, the sampling mechanism is arranged on the support plate 1, four support rods 2 are welded at the four corners of the bottom surface of the support plate 1, and the cleaning mechanism is arranged at the bottom end of the support rod 2; the sampling mechanism comprises a sampling tube 3 and a telescopic assembly, the telescopic assembly is detachably connected to the support plate 1, a through groove 4 is provided on the support plate 1, the bottom end of the telescopic assembly passes through the through groove 4, and the top end of the sampling tube 3 is rotatably connected to the bottom end of the telescopic assembly, specifically, the telescopic assembly is detachably connected to the support plate 1, a through groove 4 is provided on the support plate 1, the bottom end of the telescopic assembly passes through the through groove 4, and the top end of the sampling tube 3 is rotatably connected to the bottom end of the telescopic assembly.

[0025] like Figure 2As shown, the cleaning mechanism includes a sliding frame 5, a bidirectional screw rod 6, a guide rod 7, a sliding rod 8 and a scraper 9. The sliding frame 5 is fixedly arranged at the bottom end of the support rod 2, the bidirectional screw rod 6 is inserted into one end of the sliding frame 5 and is rotatably connected to the sliding frame 5, the guide rod 7 is fixedly arranged at the other end of the sliding frame 5, the two ends of the sliding rod 8 are respectively sleeved on the bidirectional screw rod 6 or the guide rod 7 and pass through the bidirectional screw rod 6 and the guide rod 7 and slide horizontally along the sliding frame 5, the scraper 9 is fixedly arranged on the top surface of the sliding rod 8 and contacts with the sampling tube 3, and the specific performance is The sliding frame 5 is welded to the bottom end of the support rod 2, the bidirectional screw rod 6 is inserted into one end of the sliding frame 5 and is rotatably connected to the sliding frame 5, the guide rod 7 is welded to the other end of the sliding frame 5, and through holes are opened at both ends of the sliding rod 8. One end of the sliding rod 8 is sleeved on the bidirectional screw rod 6 through the through hole, and the other end of the sliding rod 8 is sleeved on the guide rod 7 through the through hole. The sliding rod 8 slides horizontally along the sliding frame 5 through the bidirectional screw rod 6 and the guide rod 7. The scraper 9 is welded to the center position of the top surface of the sliding rod 8 and is in contact with the sampling tube 3.

[0026] In the utility model, a scraper 9 is provided, and the scraper 9 is used in cooperation with the slide frame 5, the bidirectional screw 6, the guide rod 7 and the slide rod 8 to clean the outer wall and the inner wall of the sampling tube 3, so as to prevent the soil from sticking to the sampling tube 3 and affecting the accuracy of subsequent sampling work.

[0027] An insert sleeve 10 is fixedly provided at one end of the outer wall of the sliding frame 5, and the insert sleeve 10 is connected to the interior of the sliding frame 5. One end of the bidirectional screw rod 6 passes through the insert sleeve 10 and is fixedly provided with a handle 11 for rotating the bidirectional screw rod 6. Specifically, an insert sleeve 10 is welded at one end of the outer wall of the sliding frame 5, and the insert sleeve 10 is connected to the interior of the sliding frame 5. One end of the bidirectional screw rod 6 passes through the insert sleeve 10 and is welded with a handle 11 for rotating the bidirectional screw rod 6.

[0028] A locking screw 12 for locking the handle 11 is inserted into the side wall of the insert tube 10. Specifically, screw holes are opened at both ends of the side wall of the insert tube 10. Two locking screws 12 respectively penetrate the screw holes at both ends of the insert tube 10 and one end of the screws 12 is inserted into the insert tube 10 and contacts the handle 11.

[0029] In the present invention, the insert cylinder 10 and the locking screw 12 are provided, and the insert cylinder 10 and the locking screw 12 are used together to lock and fix the rotary handle 11, thereby improving the stability of the device.

[0030] like Figure 3As shown, the telescopic assembly includes a fixed cylinder 13, a connecting plate 14, a fixed screw 15, a vertical rod 16 and a connecting frame 17. The connecting plate 14 is fixedly arranged at the bottom end of the fixed cylinder 13. The bottom surface of the connecting plate 14 contacts the top surface of the support plate 1. The fixed screw 15 passes through the four corners of the connecting plate 14 and is screwed to the top surface of the support plate 1. The top end of the vertical rod 16 is inserted into the fixed cylinder 13 and slides vertically along the inside of the fixed cylinder 13. The bottom end of the vertical rod 16 passes through the connecting plate 14. The connecting frame 17 passes through the through slot 4 and is fixedly arranged at the bottom end of the vertical rod 16. The sample tube 3 is rotatably connected to the connecting frame 17, which is specifically manifested in that the connecting plate 14 is welded to the bottom end of the fixed tube 13, the bottom surface of the connecting plate 14 is in contact with the top surface of the support plate 1, the fixing screw 15 passes through the four corners of the connecting plate 14 and is screwed to the top surface of the support plate 1, the top end of the vertical rod 16 is inserted into the interior of the fixed tube 13 and slides vertically along the interior of the fixed tube 13, the bottom end of the vertical rod 16 passes through the connecting plate 14, the connecting frame 17 passes through the through groove 4 and is welded to the bottom end of the vertical rod 16, and the sampling tube 3 is rotatably connected to the connecting frame 17.

[0031] The telescopic assembly also includes a threaded rod 18, which is inserted into the fixed tube 13 and rotatably connected to the fixed tube 13. A slider 19 is fixedly arranged on the top of the two vertical rods 16. The slider 19 is sleeved on the threaded rod 18 and slides vertically along the fixed tube 13 through the threaded rod 18. Specifically, the threaded rod 18 is inserted into the fixed tube 13 and rotatably connected to the fixed tube 13. The slider 19 is welded on the top of the two vertical rods 16. A through hole is opened on the slider 19. The slider 19 is sleeved on the threaded rod 18 through the through hole and slides vertically along the fixed tube 13 through the threaded rod 18.

[0032] A groove 20 is provided at the top of the fixing cylinder 13, and the top of the threaded rod 18 passes through the groove 20 and is fixedly provided with a first motor 21 for rotating the threaded rod 18. Preferably, the first motor 21 has a self-locking function, which is specifically manifested in that a groove 20 is provided at the top of the fixing cylinder 13, and the first motor 21 is fixed in the groove 20 through a motor seat, and the top of the threaded rod 18 passes through the groove 20 and is connected and fixed to the output shaft of the first motor 21.

[0033] A second motor 22 is fixedly arranged in the connecting frame 17. Preferably, the second motor 22 has a self-locking function. The top end of the sampling tube 3 passes through the connecting frame 17 and is fixedly connected to the output shaft of the second motor 22. Specifically, the second motor 22 is fixed in the connecting frame 17 through a motor seat, and the top end of the sampling tube 3 passes through the connecting frame 17 and is fixedly connected to the output shaft of the second motor 22.

[0034] Connecting pieces 23 are fixedly provided at the four corners of the outer wall of the sliding frame 5, and positioning pins 24 for the positioning device are inserted into the connecting pieces 23. Specifically, connecting pieces 23 are welded at the four corners of the outer wall of the sliding frame 5, and positioning pins 24 for the positioning device are inserted into the connecting pieces 23.

[0035] The working principle of the soil bulk density sampler in this embodiment is:

[0036] After the staff moves the device to the designated location, the device is fixed by the positioning pin 24, the second motor 22 rotates the output shaft, the sampling tube 3 rotates with the output shaft, the first motor 21 rotates the output shaft, the threaded rod 18 rotates with the output shaft, the slider 19 slides vertically along the fixed tube 13 with the threaded rod 18, the vertical rod 16 moves vertically with the slider 19, the connecting frame 17 moves vertically with the vertical rod 16, and the sampling tube 3 moves vertically with the vertical rod 16 to take samples; after the sampling is completed, the sample is taken out, the rotary handle 11 is rotated, the bidirectional screw rod 6 rotates with the rotary handle 11, the two slide rods 8 rotate with the bidirectional screw rod 6 and slide horizontally close to each other along the slide frame 5, the scraper 9 moves horizontally with the slide rod 8 until it contacts the outer wall of the sampling tube 3, and the locking screw 1 is inserted. 2 The rotary handle 11 is locked, the second motor 22 rotates the output shaft, and the sampling tube 3 rotates with the output shaft to clean the outer wall of the sampling tube 3; the fixing screw 15 is unscrewed, the sampling mechanism is removed, the rotary handle 11 is turned, the bidirectional screw 6 rotates with the rotary handle 11, and the two slide bars 8 rotate along the slide frame 5 to slide horizontally close to each other until the two slide bars 8 touch each other on the side close to each other, the sampling mechanism is inserted, the fixing screw 15 is tightened, the scraper 9 is placed inside the sampling tube 3, the rotary handle 11 is turned, the bidirectional screw 6 rotates with the rotary handle 11, and the two slide bars 8 rotate along the slide frame 5 to slide horizontally away from each other, and the scraper 9 moves horizontally with the slide bar 8 until it touches the inner wall of the sampling tube 3 to clean the inner wall of the sampling tube 3.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A soil bulk density sampler, characterized in that: It comprises a support plate (1), a support rod (2), a sampling mechanism and a cleaning mechanism, wherein the sampling mechanism is arranged on the support plate (1), the support plate (1) is fixedly arranged on the top end of the support rod (2), and the cleaning mechanism is arranged on the bottom end of the support rod (2); The sampling mechanism comprises a sampling tube (3) and a telescopic assembly, wherein the telescopic assembly is detachably connected to the support plate (1), a through slot (4) is provided on the support plate (1), the bottom end of the telescopic assembly passes through the through slot (4), and the top end of the sampling tube (3) is rotatably connected to the bottom end of the telescopic assembly; The cleaning mechanism comprises a sliding frame (5), a bidirectional screw rod (6), a guide rod (7), a sliding rod (8) and a scraper (9); the sliding frame (5) is fixedly arranged at the bottom end of the support rod (2); the bidirectional screw rod (6) is inserted into one end of the sliding frame (5) and is rotatably connected to the sliding frame (5); the guide rod (7) is fixedly arranged at the other end of the sliding frame (5); the two ends of the sliding rod (8) are respectively sleeved on the bidirectional screw rod (6) or the guide rod (7) and pass through the bidirectional screw rod (6) and the guide rod (7) and slide horizontally along the sliding frame (5); the scraper (9) is fixedly arranged on the top surface of the sliding rod (8) and contacts the sampling tube (3).

2. A soil bulk density sampler according to claim 1, characterized in that: An insert cylinder (10) is fixedly provided at one end of the outer wall of the sliding frame (5), and the insert cylinder (10) is communicated with the interior of the sliding frame (5). One end of the bidirectional screw rod (6) passes through the insert cylinder (10) and is fixedly provided with a rotating handle (11) for rotating the bidirectional screw rod (6).

3. A soil bulk density sampler according to claim 2, characterized in that: A locking screw (12) for locking the rotating handle (11) is inserted into the side wall of the insert cylinder (10).

4. A soil bulk density sampler according to claim 1, characterized in that: The telescopic assembly comprises a fixed cylinder (13), a connecting plate (14), a fixed screw (15), a vertical rod (16) and a connecting frame (17); the connecting plate (14) is fixedly arranged at the bottom end of the fixed cylinder (13); the bottom surface of the connecting plate (14) is in contact with the top surface of the support plate (1); the fixed screw (15) passes through the four corners of the connecting plate (14) and is screwed to the top surface of the support plate (1); the top end of the vertical rod (16) is inserted into the fixed cylinder (13) and slides vertically along the inside of the fixed cylinder (13); the bottom end of the vertical rod (16) passes through the connecting plate (14); the connecting frame (17) passes through the through slot (4) and is fixedly arranged at the bottom end of the vertical rod (16); the sampling cylinder (3) is rotatably connected to the connecting frame (17).

5. A soil bulk density sampler according to claim 4, characterized in that: The telescopic assembly further comprises a threaded rod (18), the threaded rod (18) being inserted into the interior of the fixed tube (13) and being rotatably connected to the fixed tube (13), and a slider (19) being fixedly arranged at the top ends of the two vertical rods (16), the slider (19) being sleeved on the threaded rod (18) and vertically sliding along the fixed tube (13) through the threaded rod (18).

6. A soil bulk density sampler according to claim 5, characterized in that: A groove (20) is formed at the top of the fixing cylinder (13), and a first motor (21) for rotating the threaded rod (18) is fixedly disposed at the top of the threaded rod (18) through the groove (20).

7. A soil bulk density sampler according to claim 4, characterized in that: A second motor (22) is fixedly arranged in the connection frame (17), and the top end of the sampling tube (3) passes through the connection frame (17) and is fixedly connected to the output shaft of the second motor (22).

8. A soil bulk density sampler according to claim 2, characterized in that: Connecting pieces (23) are fixedly arranged at the four corners of the outer wall of the sliding frame (5), and positioning pins (24) for positioning devices are inserted into the connecting pieces (23).

Images