CN219625085U

CN219625085U - Soil sampling backfill device

Info

Publication number: CN219625085U
Application number: CN202320619929.7U
Authority: CN
Inventors: 郑念; 王辉; 王恒亮; 陈长山; 杨新生
Original assignee: Suiping County Agricultural Science Experimental Station
Current assignee: Suiping County Agricultural Science Experimental Station
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-01
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of soil sampling and detection, in particular to a soil sampling and backfilling device, which comprises a base, wherein a backfilling mechanism, a vibrating screen mechanism and a sampling mechanism are sequentially arranged above the base from low to high; soil samples obtained through the sampling mechanism can be dug out through a sampling window and fall into the vibrating screen mechanism for vibrating screen treatment, soil falling down by the vibrating screen can be directly backfilled into a hole formed by sampling through the backfilling mechanism, and organisms such as insects and the like screened out are left for sampling; the utility model combines the functions of soil sampling and vibrating screening, can simultaneously perform vibrating screening on the sampling site, automatically backfill redundant soil, improves the working efficiency of soil sampling and saves manpower.

Description

Soil sampling backfill device

Technical Field

The utility model relates to the technical field of soil sampling and detection, in particular to a soil sampling and backfilling device.

Background

Soil sampling is an important ring of soil quality monitoring, and specific information of the soil quality of a detected field can be obtained by detecting and analyzing a soil sample acquired in the field, so that the soil pollution components and the concentration are known to formulate a proper soil purification scheme; in soil analysis, detection and analysis of organisms in soil are also important, and the composition of biological communities in soil can be known by screening organisms such as insects in soil, so that the method has important significance in soil analysis.

The prior patent with publication number CN114459800A discloses a soil detection device based on rapid soil collection, wherein a motor is used for driving a rotating member to rotate, and an internal thread is used for driving a sampling member to move up and down so as to sample soil; however, the patent can only realize automatic and rapid soil sampling, when organisms such as insects in soil are required to be analyzed, the soil cannot be screened on site to take out the insects in the soil, and the like, so that the soil after the screening cannot be backfilled on site, the soil sample is taken away, the screening is returned to the sampling site for backfilling, and unnecessary repeated labor is increased.

Disclosure of Invention

The utility model aims to provide a soil sampling backfill device which can timely shake and screen insects after sampling and backfill soil.

Based on the above purpose, the utility model adopts the following technical scheme:

the soil sampling backfilling device comprises a fixed base, wherein a lifting mechanism is arranged above the fixed base through a bracket, and the lifting mechanism is connected with a sampling tube through a lifting screw; the sampling tube is of a hollow cylindrical structure, a through hole is formed in the bottom of the sampling tube, and the center of the top of the sampling tube is fixedly connected with the lifting screw; a vibrating screen mechanism is arranged between the fixed base and the lifting mechanism, a sampling through hole matched with the sampling tube is arranged on the vibrating screen mechanism, and a base through hole matched with the sampling through hole is arranged on the base.

Preferably, the sieving mechanism comprises a screen, and the screen is connected with the fixed base through a buffer spring; the sampling through holes are arranged on the screen, and the common inner diameter of the sampling through holes is in transition fit with the outer diameter of the sampling cylinder; the bottom of the screen is provided with a vibrating motor.

Preferably, a backfill funnel is arranged between the screen and the base, and the backfill funnel is fixedly connected with the base through a support column; the backfill hopper is provided with a hopper through hole matched with the sampling through hole.

Preferably, a baffle is provided at the edge of the screen.

Preferably, the side wall of the sampling tube is provided with a sampling window, and the sampling window is connected with the sampling tube through a hinge; a locking mechanism is arranged on the sampling window.

Preferably, the lifting mechanism comprises a manual lifting table which is fixedly connected with the base through a bracket; the manual lifting platform is provided with a lifting handle, and threaded holes matched with the lifting screw rods are formed in the lifting handle and the manual lifting platform.

Preferably, a handle mounting table is arranged on the manual lifting table and is in rotary connection with the lifting handle; a limiting hole matched with the threaded hole is formed in the handle mounting table, and a limiting boss is arranged on the limiting hole; the lifting screw is provided with a limit groove matched with the limit boss along the length direction.

Preferably, the lifting mechanism comprises an automatic lifting motor, the automatic lifting motor comprising a motor; the output shaft of the motor is provided with a transmission gear which is meshed with the lifting screw rod; the motor is provided with a control button; the automatic lifting motor is provided with a limiter, and the limiter is provided with a limiting hole matched with the lifting screw; limiting bosses are arranged in the limiting holes, and limiting grooves matched with the limiting bosses are formed in the lifting screw along the length direction.

The utility model has the beneficial effects that:

the utility model relates to a soil sampling backfill device capable of sampling and vibrating screen for taking insects, wherein lifting sampling of a sampling tube is controlled by a lifting mechanism, a vibrating screen mechanism is arranged between a fixed base and the lifting mechanism, the taken out soil sample can be poured on the vibrating screen mechanism for vibrating screen separation, the soil is separated from organisms such as insects in the soil, the insects in the soil sample are taken out, and the separated soil is backfilled to the original place; the utility model combines the two steps of sampling and vibrating screening for insect taking into one device, reduces the number of devices required by sampling, can simultaneously perform vibrating screening along with sampling, and can timely backfill separated soil, thereby reducing a great deal of unnecessary labor.

The utility model uses a screen as a vibrating screen mechanism, the screen is arranged on a base and is connected with the base through a buffer spring; the bottom of the screen is provided with a pair of vibrating motors, and the two vibrating motors are symmetrically arranged; the vibrating motor can induce vibration through an eccentric rotor arranged in the vibrating motor to drive the screen to vibrate at high frequency, so that the soil sample falling on the screen is subjected to vibrating screen treatment; fine soil can fall from meshes of the screen, and organisms such as insects in the soil can remain in the screen, so that vibrating screen separation of the insects and the soil is realized, and the insects are conveniently taken out.

According to the utility model, the backfill hopper is arranged below the screen, so that soil leaked from the screen can be accurately backfilled into a hole dug by the sampling tube through the backfill hopper; the central position of the backfill hopper is provided with a through hole matched with the sampling tube, so that the sampling tube can pass through the through hole, and a falling path of soil can be limited during backfill, so that the soil can be completely backfilled into the original position.

The sampling tube used in the utility model is provided with the sampling window on the side wall, the sampling window is connected with the sampling tube through the hinge, and after sampling is completed, the sampling window can be opened, so that the taken out soil sample can be excavated from the side surface of the sampling tube and can fall on the screen; when the descending sampling tube is used for sampling, the sampling window can be closed, and the locking mechanism is arranged on the sampling window, so that the cylindrical tube body of the sampling tube can be kept unchanged during descending sampling, and complete sampling is facilitated.

The utility model can use a manual lifting mechanism, comprising a rotary lifting handle; the lifting handle is arranged on the handle mounting table and can rotate around the central axis of the handle mounting table; the center of the handle mounting table and the center of the lifting handle are provided with through holes, so that a lifting screw at the top of the sampling tube can pass through the through holes; the through hole of the lifting handle is internally provided with threads matched with the lifting screw rod, and the lifting screw rod can be driven to rotate together when the handle rotates; the through hole in the handle mounting table is provided with the spacing boss, can cooperate with the spacing recess on the lifting screw rod for the lifting screw rod can not rotate along with the rotation of handle together, has improved the efficiency that the rotation action of handle was converted into the lifting action of sampling tube.

The utility model can also adopt an automatic lifting motor to control the lifting of the sampling tube, the motor drives the gear to rotate, the gear is meshed with the lifting screw rod, and the lifting screw rod is driven to lift when the gear rotates; the rotation of the lifting screw rod receives the action of the limiting mechanism, so that the lifting screw rod cannot conduct autorotation movement, and the rotation output by the motor is completely converted into lifting movement of the lifting screw rod to drive the sampling tube to conduct lifting movement.

Drawings

FIG. 1 is a schematic overall structure of embodiment 1 of the present utility model;

FIG. 2 is a partial enlarged view of embodiment 1 of the present utility model;

FIG. 3 is an enlarged partial schematic view showing the matching relationship between the lifting screw and the lifting base in embodiment 1 of the present utility model;

FIG. 4 is a schematic diagram showing the condition of the sampling tube of the embodiment 1 of the present utility model when the sampling window is opened;

fig. 5 is a schematic overall structure of embodiment 2 of the present utility model.

In the figure: a base 1; a ground nail 11; a lifting base 12; a bracket 13; a connecting column 14; backfilling the hopper 2; a screen 3; a buffer spring 31; a vibration motor 32; a sampling tube 4; a sampling window 41; a lifting screw 42; a lifting handle 5; a lifting motor 6; control button 61.

Detailed Description

Example 1

The present utility model is further explained and illustrated below in conjunction with the specific embodiment, as shown in fig. 1, the present embodiment is a soil sampling backfill device, which comprises a sampling mechanism, a vibrating screen mechanism and a backfill mechanism, wherein the sampling mechanism mainly comprises a sampling tube 4, the vibrating screen mechanism mainly comprises a screen 3, and the backfill mechanism mainly comprises a backfill hopper 2.

As shown in fig. 1, the embodiment comprises a base 1, wherein a fixing plate is arranged around the base 1, and through holes are arranged on the fixing plate and can be penetrated by ground nails 11 for fixedly mounting the base 1 on the ground; a backfill mechanism, a vibrating screen mechanism and a sampling mechanism are arranged above the base 1 from low to high at a time, wherein the backfill mechanism comprises a backfill hopper 2; the backfill hopper 2 is of a funnel-shaped structure, and a large opening of the backfill hopper faces upwards and a small opening of the backfill hopper faces downwards; the inner diameter of the small opening is in transition fit with the outer diameter of the sampling tube 1, so that the sampling tube 1 can pass through the small opening; the periphery of the backfill hopper 2 is fixedly connected with the base 1 through a connecting column 14, as shown in fig. 2.

As shown in fig. 2, the top surface of the peripheral edge of the backfill hopper 2 is provided with a connecting column 14, the top of the connecting column 14 is provided with a buffer spring 31, and the top of the buffer spring 31 is provided with a screen; the screen is of a planar reticular structure, a through hole is arranged at the center of the screen, and the inner diameter of the through hole is matched with the inner diameter of the small opening of the backfilling hopper 2, so that the sampling tube 4 can pass through; a pair of vibration motors 32 are provided at the bottom of the screen 3, and the two vibration motors 32 are provided at the edges of the screen 3, respectively, and are symmetrically arranged with respect to the center point of the cross section of the screen 3; when the vibration motor 32 starts to work, high-frequency vibration can be generated under the rotation of the eccentric rotor inside the vibration motor, and the screen 3 fixedly connected with the vibration motor is driven to vibrate together; when the screen 3 starts vibrating, the soil piled on the screen is subjected to vibrating screening operation, so that fine soil particles can fall into the backfill hopper 2 below through meshes of the screen 3, and organisms such as insects needing screening and separation are left.

As shown in fig. 1, the sampling mechanism comprises a sampling tube 4, a lifting screw 42 is fixedly arranged at the center of the top of the sampling tube 4, and threads are arranged on the side surface of the lifting screw 42; a lifting base 12 is arranged above the sampling tube 4, and the lifting base 12 is fixedly connected with the base 1 through a bracket 13; the lifting base 12 is provided with a lifting handle 5, and the lifting handle 5 is rotationally connected with the lifting base 12, so that the lifting handle 5 can rotate around a central shaft; through holes are formed in the center positions of the lifting base 12 and the lifting handle 5, and the lifting screw 42 can pass through the through holes; wherein, the through hole in the center of the lifting handle 5 is internally provided with threads matched with the lifting screw rod 42, and when the lifting handle 5 rotates, the lifting screw rod 42 can be pushed to lift up and down by the mutually meshed threads; as shown in fig. 3, a planar structure for limiting is provided on the thread of the lifting screw 42 along the length direction, and a matched boss structure for limiting is also provided in the through hole of the lifting base 12, so that the lifting screw 42 cannot rotate in the through hole of the lifting base 12; when the lifting handle 5 rotates, the lifting screw rod 42 is not driven to rotate together, and all the rotation is converted into lifting movement of the lifting screw rod 42, so that the efficiency of lifting the sampling tube 4 is improved.

As shown in fig. 4, a pair of sampling windows 41 are provided on the side surface of the sampling tube 4, and the two sampling windows 41 are symmetrically provided; the sampling window 41 is connected with the sampling tube 4 through a hinge structure so that the sampling tube can be opened in a rotating way; when the sampling window 41 is opened, the soil sample obtained in the sampling tube 4 can be dug out and put on the screen 3 to perform the vibration screening operation; the sampling window 41 is also provided with a locking mechanism, and when the sampling tube 4 is to be lowered for sampling, the sampling window 41 can be closed and locked through the locking mechanism, so that sampling is convenient.

In order to prevent a large amount of soil from flying out of the screen 3 in the process of vibrating the screen, the edge of the screen 3 can be provided with a baffle (not shown in the figure), after the baffle is arranged, when the screen 3 vibrates to screen the soil sample, the possibility that the soil sample flies out of the screen 3 due to high-frequency vibration can be effectively avoided, and the waste of the soil sample is reduced.

In practical use, the embodiment firstly performs sampling; after reaching the sampling point, firstly, the sampling tube 4 is installed in place from the bottom, and the lifting screw 42 passes through the through holes of the lifting base 12 and the lifting handle 5; then the base 1 is installed and fixed on the ground through the ground nails 11; at the time of sampling, the sampling window 41 is closed and locked, then the lifting handle 5 is rotated to enable the sampling tube 4 to descend until reaching a preset sampling depth, and then the lifting handle 5 is reversely rotated to enable the sampling tube 4 to ascend; the sampling tube 4 is lifted to a certain height, so that the sampling window 41 is completely positioned above the screen 3, and after the small opening below the backfilling hopper 2 is not blocked, the sampling window 41 is unlocked, and the sampling window 41 is opened, so that a soil sample obtained in the sampling tube 4 can be dug out and falls onto the screen 3.

After the soil sample is excavated, the vibrating motor 32 on the screen 3 can be started; the vibrating motor 32 drives the screen 3 to vibrate together, so that soil samples on the screen 3 are subjected to vibration screening, wherein soil particles with smaller particles penetrate through meshes and fall into the lower backfill hopper 2, and the soil particles are backfilled into a hole dug by the sampling tube 4 through a small opening at the bottom of the backfill hopper 2, so that soil backfill is realized; and organisms such as insects with larger volumes cannot pass through the meshes, can be left on the screen 3, and can be collected and sampled after the vibration screening is finished.

Example 2

The technical solution used in this embodiment is substantially the same as that of embodiment 1, and the main difference is that, as shown in fig. 5, an electric lifting mechanism is used instead of the manual lifting mechanism in embodiment 1.

As shown in fig. 2, in the present embodiment, a lifting motor 6 is provided on a lifting base 12; a motor is arranged in the lifting motor 6, and the output shaft of the motor can drive a transmission gear to rotate; the transmission gear is connected with the output shaft of the motor and the lifting screw rod 42, so that the rotation output by the motor can be transmitted to the lifting screw rod 42 to drive the lifting screw rod to perform lifting movement.

An operation table structure is arranged on the lifting motor 6, a pair of control buttons 61 are arranged on the operation table, and the motor can be respectively controlled to rotate forward and backward so as to respectively control the sampling tube 4 to ascend or descend; in actual use, the sampling tube 4 can be driven to lift by pushing down a button instead of manually rotating the handle by manpower, so that the sampling tube 4 is driven to lift, and the manpower is saved; further, a control button of the vibration motor 32 may be also provided on a console on the lift motor 6, facilitating centralized control.

The foregoing description of the present utility model is merely for further explanation of the present utility model with reference to specific embodiments, and is not intended to limit the scope of the utility model, so that any changes or substitutions that can be easily contemplated by those skilled in the art within the scope of the present utility model should be covered by the present utility model, and the scope of the present utility model should be defined by the appended claims.

Claims

1. Soil sampling backfill device, including unable adjustment base, its characterized in that: a lifting mechanism is arranged above the fixed base through a bracket, and is connected with a sampling tube through a lifting screw; the sampling tube is of a hollow cylindrical structure, a through hole is formed in the bottom of the sampling tube, and the center of the top of the sampling tube is fixedly connected with the lifting screw; the vibrating screen mechanism is arranged between the fixed base and the lifting mechanism, a sampling through hole matched with the sampling tube is formed in the vibrating screen mechanism, and a base through hole matched with the sampling through hole is formed in the base.

2. The soil sampling backfill device of claim 1, wherein: the screen vibrating mechanism comprises a screen, and the screen is connected with the fixed base through a buffer spring; the sampling through holes are arranged on the screen, and the common inner diameter of the sampling through holes is in transition fit with the outer diameter of the sampling cylinder; the bottom of the screen is provided with a vibrating motor.

3. The soil sampling backfill device of claim 2, wherein: a backfill funnel is arranged between the screen and the base, and is fixedly connected with the base through a support column; and a funnel through hole matched with the sampling through hole is formed in the backfill funnel.

4. A soil sampling backfill device according to claim 3, wherein: the edge of the screen is provided with a baffle.

5. The soil sampling backfill device of claim 4, wherein: a sampling window is arranged on the side wall of the sampling tube, and the sampling window is connected with the sampling tube through a hinge; and a locking mechanism is arranged on the sampling window.

6. The soil sampling backfill device of claim 5, wherein: the lifting mechanism comprises a manual lifting table which is fixedly connected with the base through a bracket; the manual lifting platform is provided with a lifting handle, and threaded holes matched with the lifting screw rods are formed in the lifting handle and the manual lifting platform.

7. The soil sampling backfill device of claim 6, wherein: the manual lifting platform is provided with a handle mounting platform which is rotationally connected with the lifting handle; a limiting hole matched with the threaded hole is formed in the handle mounting table, and a limiting boss is arranged on the limiting hole; the lifting screw is provided with a limit groove matched with the limit boss along the length direction.

8. The soil sampling backfill device of claim 5, wherein: the lifting mechanism comprises an automatic lifting motor, and the automatic lifting motor comprises a motor; a transmission gear is arranged on the output shaft of the motor and is meshed with the lifting screw rod; the motor is provided with a control button; the automatic lifting motor is provided with a limiter, and the limiter is provided with a limiting hole matched with the lifting screw; limiting bosses are arranged in the limiting holes, and limiting grooves matched with the limiting bosses are formed in the lifting screw along the length direction.