CN220039882U

CN220039882U - Soil sample collection system with adjustable

Info

Publication number: CN220039882U
Application number: CN202321421751.1U
Authority: CN
Inventors: 韩雪梅; 杨家顶; 张苗苗; 雷雪; 翁青青
Original assignee: Hainan Normal University
Current assignee: Hainan Normal University
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-17
Anticipated expiration: 2033-06-06

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

Soil sample collection system with adjustable

Technical Field

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

Background

Soil remediation refers to the use of physical, chemical and biological methods to transfer, absorb, degrade and transform contaminants in soil to reduce their concentration to acceptable levels or to transform toxic and harmful contaminants into harmless substances, and soil sample collection is one of the most important and critical links in soil remediation work, which is a prerequisite for whether the analysis results are correct or not, and particularly has an important role in soil analysis after soil remediation. For the collection of soil samples, the soil samples need to be collected by a special soil sample collection device.

Through retrieval, the prior patent (publication number: CN 217542449U) discloses a sample collection device for soil remediation, which comprises a base, a lifting mechanism and a collection mechanism, wherein a through groove is formed in the center of the top of the base, the lifting mechanism is symmetrically arranged on the left side and the right side of the top of the base, the collection mechanism is arranged on the lifting mechanism and corresponds to the position of the through groove, the lifting mechanism comprises two servo motors, two threaded rods, two threaded sleeves and a mounting plate, the two threaded rods are respectively and fixedly arranged at the output ends of the two servo motors, and the two threaded sleeves are respectively and spirally arranged on the surfaces of the two threaded rods. According to the sample collection device for soil remediation, the base, the lifting mechanism and the collection mechanism are matched, so that the sample inside the sampling head is conveniently pushed out, the soil is prevented from being adhered to the inner wall of the sampling head, and the operation of staff is facilitated.

However, in the above scheme, there is still a certain disadvantage that when sampling is performed, only single-point sampling can be performed each time, but in the actual sampling process, in order to ensure the accuracy of soil sample detection, multiple-point sampling needs to be performed on the soil in the same range to ensure the accuracy of detection; in addition, in actual sampling work, soil samples with different depths often need to be detected, but in the scheme, the soil sampling depth cannot be simply and effectively controlled; and after the sampling is finished, the blanking is needed to be carried out by manual pressing, which is time-consuming and labor-consuming.

In view of the above, the present utility model provides an adjustable soil sample collection device.

Disclosure of Invention

The utility model provides an adjustable soil sample collection device, which solves the problems that the existing soil sample collection device in the related technology cannot well perform multipoint sampling and blanking and cannot simply and effectively control the soil sampling depth.

The technical scheme of the utility model is as follows: an adjustable soil sample collection device comprising: the bottom plate and the top plate are arranged above the bottom plate in parallel, and two jacking mechanisms are arranged between the bottom plate and the top plate and are used for adjusting the relative distance between the top plate and the bottom plate;

the rotary mechanism is arranged on the top plate, a sampling mechanism is arranged on the rotary mechanism and is used for collecting soil, and a driving motor is fixed on the rotary mechanism;

the sampling mechanism comprises a lifting disc, a threaded cylinder is vertically fixed at the top of the center of the lifting disc, a threaded rod is sleeved in the threaded cylinder, the threaded rod is fixedly connected with an output shaft of a driving motor, a plurality of guide sleeves are annularly arranged at the top of the lifting disc at the outer side of the threaded cylinder, collecting cylinders which are consistent in number and correspond to the guide sleeves one by one are fixed at the bottom of the lifting disc, a plurality of guide rods are fixed at the bottom of the rotating mechanism, the guide rods correspond to the guide sleeves one by one, the guide rods are slidably matched with the guide sleeves and extend into the collecting cylinders, a pushing disc is fixedly connected at the bottom end of the guide rods, the pushing disc is slidably attached to the inner wall of the collecting cylinder, and scales are arranged on the outer wall of the lower side of the guide rods;

the bottom plate top is provided with a plurality of soil sample collection mechanism, soil sample collection mechanism and collection section of thick bamboo one-to-one for collect the soil that falls down from collection section of thick bamboo.

Preferably, the rotating mechanism comprises a rotary table arranged on the top plate, a handle is vertically fixed at the top of the rotary table, the bottom of the rotary table is fixedly connected with the top of the guide rod, and an output shaft of the driving motor extends to the inside of the rotary table and is in rotary connection with the rotary table.

Preferably, the inside of roof has run through and has been seted up rotatory groove, rotatory groove and carousel slip laminating the periphery of carousel is fixed with the spacing ring the annular has been seted up to the roof inside of rotatory groove one side, annular and spacing ring slip laminating.

Preferably, the rotary table top is fixed with spacing part, spacing part includes the mount of fixed connection on the rotary table, the upside of mount is provided with carries and draws the piece, it is fixed with the inserted bar to carry the bottom of drawing the piece, the inserted bar extends to the mount inside to rather than sliding connection, carry and draw fixedly connected with reset spring between piece and the mount, just reset spring cover locates the inserted bar outside.

Preferably, two insertion holes are formed in the outer wall of the top plate and used for inserting the inserting rod.

Preferably, the jacking mechanism comprises a control motor fixedly mounted at the top of the bottom plate, a vertically placed screw rod is fixed at the output end of the control motor, a threaded sleeve is fixedly sleeved in the top plate, and the screw rod extends into the threaded sleeve and is in threaded connection with the threaded sleeve.

Preferably, the soil sample collection mechanism comprises a limit sleeve fixedly connected to the bottom plate, and a containing cylinder is arranged in the limit sleeve.

Preferably, a plurality of through grooves are formed in the bottom plate in a penetrating mode, the through grooves are distributed on the bottom plate in an annular array mode, and the through grooves correspond to the collecting cylinders one by one.

Preferably, an included angle formed by a horizontal connecting line between the central axis of the threaded cylinder and the central axis of the containing cylinder and the collecting cylinder which are in adjacent relation is equal to an included angle formed by connecting lines between the two jacks and the circle centers of the rotary groove.

Preferably, the four corners of the bottom plate are provided with movable wheels.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, the two jacking mechanisms are symmetrically arranged on the bottom plate, so that the height of the top plate can be lifted, the rotating mechanism is arranged on the top plate, and the sampling mechanism can be rotated in the horizontal direction, so that the collecting cylinders on the sampling mechanism can be switched back and forth right above the through groove and the soil sample collecting mechanism, in actual sampling work, the plurality of collecting cylinders on the sampling mechanism can be downwards moved to sample multiple points at the same place at the same time, and after the sampling is finished, the soil in the collecting cylinders can be quickly pushed out through the pushing disc along with the upwards movement of the collecting cylinders, so that the collected soil can just fall into the soil sample collecting mechanism to be collected and stored, the working efficiency is greatly improved, and the device has good practical performance;

2. in the utility model, the scale is arranged on the outer wall of the lower side of the guide rod, the guide sleeve slides downwards along the outer wall of the guide rod in the process of driving the collection cylinder to move downwards by the lifting disk, and at the moment, the downwards moving depth of the collection cylinder can be accurately mastered by observing the position on the scale corresponding to the upper end surface of the guide sleeve, so that the soil with different depths can be accurately sampled, and the utility model has high use value.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic plan view of an adjustable soil sample collection device according to the present utility model;

fig. 2 is a schematic perspective view of an adjustable soil sample collection device according to the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a sampling mechanism according to the present utility model;

fig. 4 is a schematic perspective view of a rotating mechanism according to the present utility model;

FIG. 5 is a schematic view of a top plate assembly structure according to the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 4A;

in the figure: 1. a driving motor; 2. a rotation mechanism; 21. a limiting ring; 22. a turntable; 23. a handle; 24. a limiting member; 241. a rod; 242. lifting the block; 243. a return spring; 244. a fixing frame; 25. a ring groove; 26. a rotary groove; 27. a jack; 3. a top plate; 4. a jacking mechanism; 41. controlling a motor; 42. a threaded sleeve; 43. a screw rod; 5. a bottom plate; 6. a moving wheel; 7. a soil sample collection mechanism; 71. a limit sleeve; 72. a holding cylinder; 8. a sampling mechanism; 81. a guide sleeve; 82. a lifting disc; 83. a collection cylinder; 84. a guide rod; 85. a thread cylinder; 86. a threaded rod; 87. pushing the disc; 88. a scale; 9. and (5) through grooves.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, an adjustable soil sample collection device includes: the bottom plate 5 and the roof 3 parallel arrangement in the bottom plate 5 top all are provided with the removal wheel 6 in bottom four corners department of bottom plate 5, and the symmetry is provided with two jack-up mechanisms 4 on bottom plate 5 for go up and down the height of roof 3. The jacking mechanism 4 comprises a control motor 41 fixedly mounted at the top of the bottom plate 5, a screw rod 43 vertically arranged 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 threaded sleeve 42. By starting the control motor 41, the control motor 41 drives the screw 43 to rotate, and in the process of rotating the screw 43, the threaded sleeve 42 moves up and down along the outer wall of the screw 43, so that the working height of the top plate 3 can be adjusted.

Referring to fig. 2, 4, 5 and 6, a sampling mechanism 8 is provided between the top plate 3 and the bottom plate 5 for collecting soil, and a driving motor 1 is provided on the upper side of the sampling mechanism 8 for driving the sampling mechanism 8. A rotation mechanism 2 for rotating the sampling mechanism 8 in the horizontal direction is provided on the top plate 3. 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 rotary table 22 is conveniently rotated by the handle 23, the driving motor 1 is fixedly arranged at the top of the rotary table 22, and an output shaft of the driving motor 1 extends to the inside of the rotary table 22 and is rotationally connected with the rotary table 22. A rotary groove 26 is formed in the top plate 3 in a penetrating manner, the rotary groove 26 is in sliding fit with the 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, the ring groove 25 is in sliding fit with the limiting ring 21, and the rotary disc 22 can rotate in the rotary groove 26 stably under the combined action of the ring groove 25 and the limiting ring 21.

The limiting component 24 is fixed at the top of the turntable 22, the limiting component 24 comprises a fixed frame 244 fixedly connected to the turntable 22, a lifting block 242 is arranged on the upper side of the fixed frame 244, an inserting rod 241 is fixed at the bottom of the lifting block 242, the inserting rod 241 extends to the inside of the fixed frame 244 and is in sliding connection with the inserting rod, a reset spring 243 is fixedly connected between the lifting block 242 and the fixed frame 244, and the reset spring 243 is sleeved outside the inserting rod 241. Two insertion holes 27 are formed in the outer wall of the top plate 3 for inserting the insertion rod 241. The insert rod 241 is lifted up through the lifting block 242, so that the insert rod 241 is pulled out from the jack 27, at this time, the turntable 22 can be rotated in the rotary groove 26, when the pulling of the lifting block 242 is removed, the lifting block 242 drives the insert rod 241 to move downwards to reset under the action of the reset spring 243, and the insert rod 241 is inserted into the jack 27 again, so that the position of the turntable 22 is limited.

Referring to fig. 2 and 3, the sampling mechanism 8 includes 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 inside the threaded cylinder 85, the threaded rod 86 is fixedly connected with an output shaft of the driving motor 1, a plurality of guide sleeves 81 are annularly arranged at the top of the lifting disc 82 outside the threaded cylinder 85, a collection cylinder 83 is fixed at the bottom of the lifting disc 82 at the lower side of each guide sleeve 81, a plurality of guide rods 84 are fixed at the bottom of the rotating mechanism 2, the guide rods 84 are in one-to-one correspondence with the guide sleeves 81, the guide rods 84 sequentially extend to the inside of the guide sleeves 81, the lifting disc 82 and the collection cylinder 83, and are in sliding connection with the guide sleeves 81 and the lifting disc 82, the bottom of the turntable 22 is fixedly connected with the top of the guide rods 84, and the whole sampling mechanism 8 can be driven to rotate by the guide rods 84. A plurality of through grooves 9 are formed in the bottom plate 5 in a penetrating mode, the through grooves 9 are distributed on the bottom plate 5 in an annular array mode, and the through grooves 9 correspond to the collecting cylinders 83 one by one. When soil sampling is carried out, the driving motor 1 is started, the driving motor 1 drives the threaded rod 86 to rotate through the output shaft of the driving motor, when the threaded rod 86 rotates, the threaded cylinder 85 can be driven to move up and down, the lifting disc 82 can be driven to move down by the downward movement of the threaded cylinder 85, the lifting disc 82 which moves down drives the collecting cylinder 83 to move down, and the collecting cylinder passes through the through groove 9 and is inserted into soil to sample the soil.

The push plate 87 is fixedly connected to the bottom end of the guide rod 84, the push plate 87 is in sliding fit with the inner wall of the collection cylinder 83, and scales 88 are arranged on the outer wall of the lower side of the guide rod 84. In the process of downward movement of the lifting disc 82, the guide sleeve 81 slides down along the outer wall of the guide rod 84, and at this time, the downward movement depth of the collection cylinder 83 can be accurately mastered by observing the position on the scale 88 corresponding to the upper end surface of the guide sleeve 81, so that soil with different depths can be accurately sampled. After the sampling is finished, the lifting plate 82 is driven to move upwards through the threaded cylinder 85, the position of the pushing plate 87 is unchanged, and the pushing plate 87 can push out soil in the collecting cylinder 83 along with the continuous upward movement of the collecting cylinder 83.

Referring to fig. 1, 2, 4 and 5, a plurality of soil sample collecting mechanisms 7 are disposed on top of the bottom plate 5, and the soil sample collecting mechanisms 7 are in one-to-one correspondence with the collecting cylinders 83 for collecting the soil falling from the collecting cylinders 83. The soil sample collection mechanism 7 comprises a limit sleeve 71 fixedly connected to the bottom plate 5, and a containing barrel 72 is placed in the limit sleeve 71. The angle formed by the horizontal connecting line between the central axis of the threaded cylinder 85 and the central axis of the containing cylinder 72 and the collecting cylinder 83 in adjacent relation is equal to the angle formed by the connecting line between the two jacks 27 and the circle center of the rotary groove 26. So that the holding cylinder 83 can move from directly above the through groove 9 to directly above the holding cylinder 72 in the process of moving from one insertion hole 27 to the other insertion hole 27 by the limiting member 24.

Working principle and using flow: when working, firstly, the whole device is moved to a sampling place through the moving wheel 6, then, the driving motor 1 is started, the driving motor 1 drives the threaded rod 86 to rotate through the output shaft of the driving motor, when the threaded rod 86 rotates, the threaded cylinder 85 can be driven to move up and down, the downward movement of the threaded cylinder 85 can drive the lifting disc 82 to move down, the downward movement of the lifting disc 82 drives the collecting cylinder 83 to move down, the collecting cylinder 83 penetrates through the through groove 9 and is inserted into soil, the soil is sampled, and in the process, the pushing disc 87 is kept motionless, so that the pushing disc 87 is gradually far away from the bottom of the collecting cylinder 83. In the process of downward movement of the lifting disc 82, the guide sleeve 81 slides down along the outer wall of the guide rod 84, and at this time, the downward movement depth of the collection cylinder 83 can be accurately mastered by observing the position on the scale 88 corresponding to the upper end surface of the guide sleeve 81, so that soil with different depths can be accurately sampled. After the sampling is finished, the control motor 41 is started, the control motor 41 drives the screw rod 43 to rotate, the threaded sleeve 42 can move up and down along the outer wall of the screw rod 43 in the rotating process of the screw rod 43, the working height of the top plate 3 is moved up, and accordingly the whole sampling mechanism 8 is driven to move up until the bottom of the collection cylinder 83 is higher than the bottom of the containing cylinder 72.

Then, the inserting rod 241 is lifted up through the lifting block 242, so that the inserting rod 241 is pulled out from the jack 27, at the moment, the turntable 22 can be rotated in the rotary groove 26, the inserting rod 241 is inserted into the other jack 27, the collecting cylinder 83 can be moved from the position right above the through groove 9 to the position right above the containing cylinder 72, then, the driving motor 1 is started to turn over, the threaded cylinder 85 drives the lifting plate 82 to move upwards, the position of the pushing plate 87 is unchanged, the pushing plate 87 can push out soil inside the collecting cylinder 83, the soil just falls into the containing cylinder 72 to be stored, and the containing cylinder 72 is placed in the limiting sleeve 71 and can be carried and taken out at any time.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

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).