CN220039882U - An adjustable soil sample collection device - Google Patents

Abstract

The utility model relates to the technical field of soil sample collection, and provides an adjustable soil sample collection device, which comprises: the roof is provided with rotary mechanism on the roof for collection section of thick bamboo on the sampling mechanism can make a round trip to switch directly over logical groove and soil sample collection mechanism, through moving down a plurality of collection section of thick bamboo on the sampling mechanism, can carry out the multiple spot sampling to same place simultaneously, and after the sampling is ended, along with the upward movement of collection section of thick bamboo, the soil of inside section of thick bamboo is gathered to the accessible pushing disc is released, makes the soil of gathering just in time fall into soil sample collection mechanism and collects and deposit. The scale is arranged on the outer wall of the lower side of the guide rod, the lifting disc drives the collection barrel to move downwards, the guide sleeve slides downwards along the outer wall of the guide rod, at the moment, the depth of the downwards movement of the collection barrel can be accurately mastered by observing the position on the scale corresponding to the upper end face of the guide sleeve, and therefore soil with different depths can be accurately sampled.

Description

An adjustable soil sample collection device

Technical field

The utility model relates to the technical field of soil sample collection, and specifically to an adjustable soil sample collection device.

Background technique

Soil remediation refers to the use of physical, chemical and biological methods to transfer, absorb, degrade and transform pollutants in the soil, reducing their concentration to acceptable levels, or converting toxic and harmful pollutants into harmless substances, soil samples The collection of soil is one of the most important and critical links in soil remediation work. It is a prerequisite for whether the analysis results are correct, especially for the analysis of soil after soil remediation. For the collection of soil samples, it needs to be collected through a special soil sample collection device.

After searching, the existing patent (Announcement No.: CN217542449U) discloses a sample collection device for soil remediation, which includes a base, a lifting mechanism and a collection mechanism. There is a through slot at the center of the top of the base, and the lifting mechanism is symmetrical. Installed on the left and right sides of the top of the base, the collection mechanism is installed on the lifting mechanism and corresponds to the position of the through slot. The lifting mechanism includes two servo motors, two threaded rods, and two threaded sleeves. As well as a mounting plate, the two threaded rods are respectively fixedly installed on the output ends of the two servo motors, and the two threaded sleeves are threadedly installed on the surfaces of the two threaded rods. This utility model realizes a sample collection device for soil repair through the cooperation between the base, the lifting mechanism and the collection mechanism, which facilitates the pushing out of the sample inside the sampling head, thereby preventing the soil from adhering to the inner wall of the sampling head, so it is convenient operation of the staff.

However, there are still some shortcomings in the above scheme. When sampling, only a single point can be sampled at a time. However, in the actual sampling process, in order to ensure the accuracy of soil sample detection, it is necessary to sample the same range. Carry out multi-point sampling of soil within the area for testing to ensure the accuracy of testing; in addition, in actual sampling work, soil samples at different depths often need to be tested, but in the above scheme, soil sampling cannot be simply and effectively controlled depth; and, after sampling, manual pressing is required to unload the material, which is time-consuming and labor-intensive.

In view of this, the utility model proposes an adjustable soil sample collection device.

Utility model content

The utility model proposes an adjustable soil sample collection device, which solves the problem that existing soil sample collection devices in related technologies cannot perform multi-point sampling and unloading well, and cannot simply and effectively control the soil sampling depth.

The technical solution of the present invention is as follows: an adjustable soil sample collection device, including: a bottom plate and a top plate arranged in parallel above the bottom plate. Two supporting mechanisms are provided between the bottom plate and the top plate for adjusting the top plate and the top plate. Relative spacing of base plates;

A rotatable rotating mechanism is provided on the top plate, a sampling mechanism is provided on the rotating mechanism, the sampling mechanism is used to collect soil, and a driving motor is fixed on the rotating mechanism;

The sampling mechanism includes a lifting plate. A threaded barrel is vertically fixed at the top of the center of the lifting plate. A threaded rod is threaded inside the threaded barrel. The threaded rod is fixedly connected to the output shaft of the drive motor. There are several guide sleeves in an annular array at the top of the lifting plate outside the threaded barrel. The bottom of the lifting plate is fixed with the same number of collection sleeves and one-to-one correspondence with the guide sleeves. There are several guide sleeves fixed at the bottom of the rotating mechanism. Rod, the guide rod corresponds to the guide sleeve one by one, the guide rod slides with the guide sleeve and extends into the collection tube, the bottom end of the guide rod is fixedly connected with a push plate, the push plate and the collection tube The inner wall slides and fits, and a scale is provided on the lower outer wall of the guide rod;

Several soil sample collection mechanisms are provided on the top of the bottom plate. The soil sample collection mechanisms correspond to the collection tubes one-to-one and are used to collect soil falling from the collection tubes.

Preferably, the rotating mechanism includes a turntable arranged on the top plate, a handle is fixed vertically on the top of the turntable, the bottom of the turntable is fixedly connected to the top of the guide rod, and the output shaft of the drive motor extends to the inside of the turntable and rotates with it. connect.

Preferably, a rotation groove is provided through the interior of the top plate, the rotation groove is in sliding fit with the turntable, a limiting ring is fixed on the outer periphery of the turntable, and a ring groove is provided inside the top plate on one side of the rotation groove. , the annular groove and the limiting ring are in sliding fit.

Preferably, a limiting component is fixed on the top of the turntable. The limiting component includes a fixed frame fixedly connected to the turntable. A lifting block is provided on the upper side of the fixed frame, and a lifting block is fixed on the bottom of the lifting block. The insertion rod extends to the inside of the fixed frame and is slidingly connected with it. A return spring is fixedly connected between the lifting block and the fixed frame, and the return spring is sleeved on the outside of the inserting rod.

Preferably, two insertion holes are provided on the outer wall of the top plate for insertion of insertion rods.

Preferably, the support mechanism includes a control motor fixedly installed on the top of the bottom plate. The output end of the control motor is fixed with a vertical screw rod, and a threaded sleeve is fixed inside the top plate. The screw rod extends to the inside of the threaded sleeve and is threadedly connected with it.

Preferably, the soil sample collection mechanism includes a limiting sleeve fixedly connected to the bottom plate, and a holding tube is placed inside the limiting sleeve.

Preferably, a plurality of through grooves are provided through the bottom plate, and the plurality of through grooves are distributed in an annular array on the bottom plate, and the through grooves correspond to the collection tubes one by one.

Preferably, the angle formed by the horizontal line between the central axis of the threaded barrel and the central axis of the adjacent holding barrel and collection barrel is equal to the angle formed by the line connecting the two sockets and the center of the rotation groove. angle.

Preferably, moving wheels are provided at the four corners of the bottom of the base plate.

The working principle and beneficial effects of this utility model are:

1. In this utility model, two support mechanisms are symmetrically arranged on the bottom plate, so that the height of the top plate can be raised and lowered. A rotating mechanism is provided on the top plate, which can rotate the sampling mechanism in the horizontal direction, so that the sampling mechanism can The collection tube on the top can be switched back and forth between the channel and the soil sample collection mechanism. In actual sampling work, by moving down the multiple collection tubes on the sampling mechanism, multiple points of sampling can be carried out at the same location at the same time. , and after the sampling is completed, as the collection tube moves upward, the soil inside the collection tube can be quickly pushed out through the push plate, so that the collected soil can just fall into the soil sample collection mechanism for collection and storage, which greatly improves the work Efficient and has good practical performance;

2. In this utility model, a scale is provided on the lower outer wall of the guide rod. When the lifting plate drives the collection tube to move downward, the guide sleeve slides down along the outer wall of the guide rod. At this time, by observing the upper surface of the guide sleeve, The position on the scale corresponding to the end face can accurately grasp the depth of the downward movement of the collection tube, so that soil at different depths can be accurately sampled, which has high use value.

Description of the drawings

The utility model will be described in further detail below in conjunction with the accompanying drawings and specific implementation modes.

Figure 1 is a schematic diagram of the planar structure of an adjustable soil sample collection device proposed by the utility model;

Figure 2 is a schematic diagram of the three-dimensional structure of an adjustable soil sample collection device proposed by the utility model;

Figure 3 is a partial cross-sectional structural schematic diagram of the sampling mechanism proposed by the present utility model;

Figure 4 is a schematic diagram of the three-dimensional structure of the rotating mechanism proposed by the utility model;

Figure 5 is a schematic diagram of the roof assembly structure proposed by the utility model;

Figure 6 is an enlarged structural diagram of A in Figure 4;

In the picture: 1. Driving motor; 2. Rotating mechanism; 21. Limiting ring; 22. Turntable; 23. Handle; 24. Limiting component; 241. Insert rod; 242. Lifting block; 243. Return spring; 244 , Fixed frame; 25. Ring groove; 26. Rotation groove; 27. Jack; 3. Top plate; 4. Support mechanism; 41. Control motor; 42. Threaded sleeve; 43. Screw; 5. Bottom plate; 6 , Moving wheel; 7. Soil sample collection mechanism; 71. Limit sleeve; 72. Containing cylinder; 8. Sampling mechanism; 81. Guide sleeve; 82. Lifting plate; 83. Collection cylinder; 84. Guide rod; 85. Threaded barrel; 86, threaded rod; 87, push plate; 88, scale; 9, through slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 and 2. An adjustable soil sample collection device includes: a bottom plate 5 and a top plate 3 arranged parallel to the bottom plate 5. Moving wheels 6 are provided at the four corners of the bottom of the bottom plate 5 and are symmetrically arranged on the bottom plate 5. There are two support mechanisms 4 for raising and lowering the height of the top plate 3. Among them, the support mechanism 4 includes a control motor 41 fixedly installed on the top of the bottom plate 5. The output end of the control motor 41 is fixed with a vertical screw rod 43. A threaded sleeve 42 is fixed inside the top plate 3. The screw rod 43 extends to the inside of the threaded sleeve 42 and is threadedly connected with it. By starting the control motor 41, the control motor 41 drives the screw rod 43 to rotate. During the rotation of the screw rod 43, the threaded sleeve 42 moves up and down along the outer wall of the screw rod 43, so that the working height of the top plate 3 can be adjusted.

Please refer to Figure 2, Figure 4, Figure 5 and Figure 6. A sampling mechanism 8 is provided between the top plate 3 and the bottom plate 5 for collecting soil. A driving motor 1 is provided on the upper side of the sampling mechanism 8 for collecting soil. The sampling mechanism 8 is driven. A rotating mechanism 2 is provided on the top plate 3 for rotating the sampling mechanism 8 in the horizontal direction. Among them, the rotating mechanism 2 includes a turntable 22 arranged on the top plate 3. A handle 23 is vertically fixed on the top of the turntable 22. The handle 23 facilitates the rotation of the turntable 22. The drive motor 1 is fixedly installed on the top of the turntable 22, and the output shaft of the drive motor 1 Extends to the inside of the turntable 22 and is rotationally connected with it. A rotation groove 26 is provided through the interior of the top plate 3. The rotation groove 26 is in sliding contact with the turntable 22. A limiting ring 21 is fixed on the outer periphery of the turntable 22. An annular groove 25 is provided inside the top plate 3 on one side of the rotation groove 26. The groove 25 is in sliding fit with the limiting ring 21. Under the joint action of the annular groove 25 and the limiting ring 21, the turntable 22 can rotate smoothly inside the rotating groove 26.

A limiting component 24 is fixed on the top of the turntable 22. The limiting component 24 includes a fixing bracket 244 fixedly connected to the turntable 22. A lifting block 242 is provided on the upper side of the fixing bracket 244, and an insertion rod 241 is fixed on the bottom of the lifting block 242. , the inserting rod 241 extends to the inside of the fixed frame 244 and is slidingly connected with it. A return spring 243 is fixedly connected between the lifting block 242 and the fixed frame 244, and the return spring 243 is sleeved on the outside of the inserting rod 241. Two insertion holes 27 are provided on the outer wall of the top plate 3 for insertion of the insertion rods 241 . The insertion rod 241 is lifted up by the lifting block 242, so that the insertion rod 241 is extracted from the insertion hole 27. At this time, the turntable 22 can be rotated inside the rotation groove 26. When the pulling block 242 is removed, Under the action of the return spring 243, the lifting block 242 drives the insertion rod 241 to move down and reset, and is re-inserted into the insertion hole 27 to limit the position of the turntable 22.

Please refer to Figures 2 and 3. The sampling mechanism 8 includes a lifting plate 82. A threaded barrel 85 is vertically fixed at the top of the center of the lifting plate 82. A threaded rod 86 is threaded inside the threaded barrel 85. The threaded rod 86 is connected to the driving motor 1 The output shaft is fixedly connected. There are several guide sleeves 81 in an annular array on the top of the lifting plate 82 outside the threaded barrel 85. The bottom of the lifting plate 82 on the lower side of each guide sleeve 81 is fixed with a collection tube 83. In the rotating mechanism 2 There are several guide rods 84 fixed at the bottom. The guide rods 84 correspond to the guide sleeve 81 one by one. The guide rods 84 extend to the inside of the guide sleeve 81, the lifting plate 82 and the collection tube 83 in turn, and are connected with the guide sleeve 81 and the lifting plate. 82 is slidingly connected, and the bottom of the turntable 22 is fixedly connected to the top of the guide rod 84. The rotation of the turntable 22 can drive the entire sampling mechanism 8 to rotate through the guide rod 84. A number of through slots 9 are provided through the base plate 5 . The plurality of through slots 9 are distributed in an annular array on the base plate 5 . The through slots 9 correspond to the collection tubes 83 one-to-one. When soil sampling is performed, the drive motor 1 is started, and the drive motor 1 drives the threaded rod 86 to rotate through its output shaft. When the threaded rod 86 rotates, it can drive the threaded barrel 85 to move up and down, and the downward movement of the threaded barrel 85 can drive the lifting plate. 82 moves downward, and the downwardly moving lifting plate 82 drives the collection tube 83 to move downward, so that it passes through the through slot 9 and is inserted into the soil to sample the soil.

A push plate 87 is fixedly connected to the bottom end of the guide rod 84. The push plate 87 is slidably fitted to the inner wall of the collection tube 83. A scale 88 is provided on the lower outer wall of the guide rod 84. During the downward movement of the lifting plate 82, the guide sleeve 81 slides down along the outer wall of the guide rod 84. At this time, by observing the position on the scale 88 corresponding to the upper end surface of the guide sleeve 81, the downward movement of the collection tube 83 can be accurately grasped. depth, so that soil at different depths can be accurately sampled. After the sampling is completed, the lifting plate 82 is driven by the threaded barrel 85 to move upward, while the position of the push plate 87 remains unchanged. As the collection tube 83 continues to move upward, the push plate 87 can push out the soil inside the collection tube 83 .

Please refer to Figure 1, Figure 2, Figure 4 and Figure 5. Several soil sample collection mechanisms 7 are provided on the top of the bottom plate 5. The soil sample collection mechanisms 7 correspond to the collection tube 83 one-to-one and are used to collect samples falling from the collection tube 83. soil is collected. The soil sample collection mechanism 7 includes a limiting sleeve 71 fixedly connected to the bottom plate 5 , and a holding tube 72 is placed inside the limiting sleeve 71 . The angle formed by the horizontal line between the central axis of the threaded cylinder 85 and the central axis of the adjacent holding cylinder 72 and the collecting cylinder 83 is equal to the angle formed by the connecting line between the two sockets 27 and the center of the rotation groove 26 angle. This allows the collection tube 83 to move from directly above the through slot 9 to directly above the containing tube 72 during the movement of the limiting member 24 from one socket 27 to the other socket 27 .

Working principle and usage process: When working, first, move the entire device to the sampling location through the moving wheel 6, and then start the driving motor 1. The driving motor 1 drives the threaded rod 86 to rotate through its output shaft, and the threaded rod 86 rotates. When, the threaded barrel 85 can be driven to move up and down, the downward movement of the threaded barrel 85 can drive the lifting plate 82 to move downward, and the downwardly moving lifting plate 82 drives the collection barrel 83 to move downward, so that it passes through the through slot 9 and is inserted into the In the soil, the soil is sampled. During this process, the push plate 87 remains stationary, so that the push plate 87 and the bottom of the collection tube 83 gradually move away. During the downward movement of the lifting plate 82, the guide sleeve 81 slides down along the outer wall of the guide rod 84. At this time, by observing the position on the scale 88 corresponding to the upper end surface of the guide sleeve 81, the downward movement of the collection tube 83 can be accurately grasped. depth, so that soil at different depths can be accurately sampled. After the sampling is completed, the control motor 41 is started, and the control motor 41 drives the screw rod 43 to rotate. During the rotation of the screw rod 43, the threaded sleeve 42 can move up and down along the outer wall of the screw rod 43 to adjust the working height of the top plate 3. Move upward, thereby driving the entire sampling mechanism 8 to move upward until the bottom of the collection tube 83 is higher than the bottom of the holding tube 72 .

After that, the insertion rod 241 is lifted up by the lifting block 242, so that the insertion rod 241 is extracted from the insertion hole 27. At this time, the turntable 22 can be rotated inside the rotation groove 26, and the insertion rod 241 is inserted into another insertion hole. In the hole 27, the collecting cylinder 83 can move from directly above the through slot 9 to directly above the holding cylinder 72. Then, the driving motor 1 is started to turn over, so that the threaded cylinder 85 drives the lifting plate 82 to move upward, while the position of the push plate 87 remains unchanged. , the push plate 87 can push the soil inside the collection tube 83, and just drop it into the holding tube 72 for storage and storage. The holding tube 72 is placed in the limiting sleeve 71 and can be transported and taken out at any time.

The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the present utility model. Within the scope of new protection.

Claims (10)

1. An adjustable soil sample collection device comprising: the device is characterized in that two jacking mechanisms (4) are arranged between the bottom plate (5) and the top plate (3) and used for adjusting the relative distance between the top plate (3) and the bottom plate (5);

a rotatable rotating mechanism (2) is arranged on the top plate (3), a sampling mechanism (8) is arranged on the rotating mechanism (2), the sampling mechanism (8) is used for collecting soil, and a driving motor (1) is fixed on the rotating mechanism (2);

the sampling mechanism (8) comprises a lifting disc (82), a threaded cylinder (85) is vertically fixed at the top of the center of the lifting disc (82), a threaded rod (86) is sleeved in the threaded cylinder (85) in a threaded manner, the threaded rod (86) is fixedly connected with an output shaft of a driving motor (1), a plurality of guide sleeves (81) are annularly arranged at the top of the lifting disc (82) at the outer side of the threaded cylinder (85), collecting cylinders (83) which are consistent in number and correspond to the guide sleeves (81) one by one are fixed at the bottom of the lifting disc (82), a plurality of guide rods (84) are fixed at the bottom of the rotating mechanism (2), the guide rods (84) correspond to the guide sleeves (81) one by one, the guide rods (84) are in sliding fit with the guide sleeves (81) and extend into the collecting cylinders (83), a pushing disc (87) is fixedly connected to the bottom end of the guide rods (84), the pushing disc (87) is in sliding fit with the inner wall of the collecting cylinders (83), and scales (88) are arranged on the outer wall of the lower side of the guide rods (84);

the soil sample collection device is characterized in that a plurality of soil sample collection mechanisms (7) are arranged at the top of the bottom plate (5), and the soil sample collection mechanisms (7) are in one-to-one correspondence with the collection cylinders (83) and are used for collecting soil falling from the collection cylinders (83).

2. The adjustable soil sample collection device according to claim 1, wherein the rotating mechanism (2) comprises a rotary table (22) arranged on the top plate (3), a handle (23) is vertically fixed at the top of the rotary table (22), the bottom of the rotary table (22) is fixedly connected with the top of the guide rod (84), and an output shaft of the driving motor (1) extends into the rotary table (22) and is in rotary connection with the rotary table.

3. The adjustable soil sample collection device according to claim 2, wherein a rotary groove (26) is formed in the top plate (3) in a penetrating manner, the rotary groove (26) is in sliding fit with a rotary disc (22), a limiting ring (21) is fixed on the periphery of the rotary disc (22), a ring groove (25) is formed in the top plate (3) on one side of the rotary groove (26), and the ring groove (25) is in sliding fit with the limiting ring (21).

4. The adjustable soil sample collection device according to claim 3, wherein a limiting component (24) is fixed at the top of the turntable (22), the limiting component (24) comprises a fixing frame (244) fixedly connected to the turntable (22), a lifting block (242) is arranged at the upper side of the fixing frame (244), a plug rod (241) is fixed at the bottom of the lifting block (242), the plug rod (241) extends into the fixing frame (244) and is in sliding connection with the fixing frame (244), a return spring (243) is fixedly connected between the lifting block (242) and the fixing frame (244), and the return spring (243) is sleeved outside the plug rod (241).

5. The adjustable soil sample collection device according to claim 4, wherein two insertion holes (27) are formed in the outer wall of the top plate (3) for inserting the insertion rod (241).

6. An adjustable soil sample collection device according to claim 1, characterized in that the jacking mechanism (4) comprises a control motor (41) fixedly mounted on the top of the bottom plate (5), a vertically placed screw rod (43) is fixed at the output end of the control motor (41), a threaded sleeve (42) is fixedly sleeved in the top plate (3), and the screw rod (43) extends into the threaded sleeve (42) and is in threaded connection with the screw rod.

7. An adjustable soil sample collection device according to claim 5, characterized in that the soil sample collection means (7) comprises a stop collar (71) fixedly connected to the bottom plate (5), and a holding cylinder (72) is placed inside the stop collar (71).

8. The adjustable soil sample collection device according to claim 1, wherein a plurality of through grooves (9) are formed in the bottom plate (5) in a penetrating manner, the through grooves (9) are distributed on the bottom plate (5) in an annular array, and the through grooves (9) are in one-to-one correspondence with the collection cylinders (83).

9. An adjustable soil sample collection device according to claim 5, wherein the angle formed by the horizontal line between the central axis of the screw barrel (85) and the central axis of the holding barrel (72) and the collecting barrel (83) in adjacent relation is equal to the angle formed by the line between the two insertion holes (27) and the center of the rotary groove (26).

10. An adjustable soil sample collection device according to claim 1, wherein moving wheels (6) are arranged at four corners of the bottom plate (5).