CN213516430U

CN213516430U - Sampling device for collecting soil volatile organic compound detection

Info

Publication number: CN213516430U
Application number: CN202022866126.0U
Authority: CN
Inventors: 国立峰; 刘倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-22
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a sampling device for collecting soil volatile organic compounds for detection, which comprises a bearing plate, wherein a worm is arranged on the bearing plate in a penetrating way, a motor is arranged on the top surface of the bearing plate, a worm wheel is fixedly connected on a power output shaft of the motor, a connecting cylinder is fixedly sleeved at the lower end of the worm, a sampling cylinder is fixedly connected on the bottom surface of the connecting cylinder, and sawteeth are fixedly arranged on the bottom surface of the sampling cylinder; a miniature electric push rod is arranged in the connecting cylinder, and the end part of the extending end of the miniature electric push rod is fixedly connected with a push plate; a limiting mechanism is arranged on the top surface of the bearing plate; and a supporting mechanism is arranged on the bottom surface of the bearing plate. The utility model drives the sampling cylinder and the saw teeth to rotate and move downwards by starting the motor, so that the saw teeth are contacted with the soil and the soil enters the sampling cylinder; when the sampling cylinder is filled with soil samples, the sampling cylinder is moved upwards by controlling the motor to rotate reversely, so that the sampling process is completed.

Description

Sampling device for collecting soil volatile organic compound detection

Technical Field

The utility model relates to a soil sampling equipment field especially relates to a sampling device for gathering soil volatile organic compounds and detect.

Background

The soil sampling device is widely applied to soil detection work such as soil testing formula fertilization, volatile organic compound detection, soil monitoring and the like so as to accurately collect soil samples. What soil sampling device mainly adopted is that the sampler barrel takes a sample, and after the sampler barrel bored into the underground, soil can form the earth pillar in the sampler barrel, draws out whole earth pillar and carries out the analysis again.

However, the existing soil sampling device has the following disadvantages: firstly, the soil sampling efficiency is low, and the sampling device is easy to incline, so that the verticality deviation is large, and the natural condition of the soil level cannot be maintained; secondly, because the soil is in a filled state in the sampling cavity, the soil sample is not easy to take out from the sampling cylinder after the sampling is finished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for gathering soil volatile organic compounds detects to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a sampling device for detecting collected soil volatile organic compounds comprises a bearing plate, wherein a worm penetrates through the bearing plate, a motor is mounted on the top surface of the bearing plate, a worm wheel is fixedly connected to a power output shaft of the motor, the worm wheel is meshed with the worm, a connecting cylinder is fixedly sleeved at the lower end of the worm, a sampling cylinder is fixedly connected to the bottom surface of the connecting cylinder, and sawteeth are fixedly arranged on the bottom surface of the sampling cylinder; a micro electric push rod is arranged in the connecting cylinder and is installed at the bottom end of the worm, the extending end of the micro electric push rod penetrates through the top surface of the sampling cylinder and is in sliding connection with the sampling cylinder, the end part of the extending end of the micro electric push rod is fixedly connected with a push plate, and the push plate is in sliding connection with the inner wall of the sampling cylinder; a limiting mechanism is arranged on the top surface of the bearing plate; and a supporting mechanism is arranged on the bottom surface of the bearing plate.

Preferably, the supporting mechanism comprises four supporting columns and a linkage assembly, the four supporting columns are respectively rotatably connected with four corners of the bottom surface of the bearing plate, and the bottom ends of the four supporting columns are fixedly connected with threaded nails.

Preferably, the linkage assembly comprises four belt pulleys and a transmission belt, the four belt pulleys are respectively fixedly sleeved on the four support columns, and the transmission belt is sleeved on the four belt pulleys.

Preferably, any one of the supporting columns is fixedly connected with a rotating rod, and anti-skid grains are arranged on the rotating rod.

Preferably, the limiting mechanism comprises a limiting plate and a limiting rod, the limiting plate is rotatably connected with the top end of the worm, a limiting hole penetrates through the limiting plate, the upper end of the limiting rod penetrates through the limiting hole and is in sliding connection with the limiting plate, and the lower end of the limiting rod is fixedly connected with the top surface of the bearing plate.

Preferably, two cleaning plates are fixedly arranged on the bottom surface of the bearing plate, two cleaning brushes are fixedly connected to one opposite sides of the cleaning plates and are in contact with the worm.

The utility model has the advantages that:

1. the utility model drives the worm wheel to rotate by starting the motor, further drives the worm to rotate and move downwards, further drives the connecting cylinder, the sampling cylinder and the saw teeth to rotate and move downwards, and further causes the saw teeth to contact with soil and the soil to enter the sampling cylinder; when the sampling cylinder is filled with soil samples, the worm gear is driven to rotate reversely by the control motor, so that the worm rotates and moves upwards, and the connecting cylinder and the sampling cylinder are driven to move upwards, thereby completing the sampling process.

2. The utility model discloses a to rotate the dwang, it is rotatory to make the dwang drive one of them support column, and then it is rotatory to drive other three support columns through belt pulley, driving belt, and then makes four screw nails rotatory and bore into ground, thereby will the utility model discloses fix subaerial, prevent when the sample, the utility model discloses take place the displacement and lead to the sampler barrel slope to keep the natural situation of sample soil level.

3. The utility model discloses a set up stop gear, restrict the removal of worm to make worm vertically reciprocate, thereby prevent worm, sampler barrel slope, thereby further keep the natural situation of sample soil level

4. The utility model discloses a start miniature electric putter, make electric putter's extension end downstream and extrusion push pedal, and then make the push pedal downstream, and then release the sampler barrel with the soil sample, solved the difficult problem of taking out the soil sample of current sampler barrel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 3 is a front view of the present invention;

reference numerals: 1. a carrier plate; 2. a worm; 3. a motor; 4. a worm gear; 5. a connecting cylinder; 6. a sampling tube; 7. a miniature electric push rod; 8. pushing the plate; 9. saw teeth; 10. a support pillar; 11. a threaded nail; 12. rotating the rod; 13. a belt pulley; 14. a drive belt; 15. cleaning the plate; 16. a cleaning brush; 17. a limiting plate; 18. a limiting hole; 19. a limiting rod.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a sampling device for collecting soil volatile organic compounds (voc) detection comprises a bearing plate 1, a worm 2 is arranged on the bearing plate 1 in a penetrating manner, a motor 3 is mounted on the top surface of the bearing plate 1, a worm wheel 4 is fixedly connected to a power output shaft of the motor 3, the worm wheel 4 is meshed with the worm 2, a connecting cylinder 5 is fixedly sleeved at the lower end of the worm 2, a sampling cylinder 6 is fixedly connected to the bottom surface of the connecting cylinder 5, and sawteeth 9 are fixedly arranged on the bottom surface of the sampling cylinder 6; a miniature electric push rod 7 is arranged in the connecting cylinder 5, the miniature electric push rod 7 is installed at the bottom end of the worm 2, the extending end of the miniature electric push rod 7 penetrates through the top surface of the sampling cylinder 6 and is in sliding connection with the sampling cylinder 6, the end part of the extending end of the miniature electric push rod 7 is fixedly connected with a push plate 8, and the push plate 8 is in sliding connection with the inner wall of the sampling cylinder 6; the top surface of the bearing plate 1 is provided with a limiting mechanism; the bottom surface of the bearing plate 1 is provided with a supporting mechanism, the supporting mechanism comprises four supporting columns 10 and a linkage component, the four supporting columns 10 are respectively rotatably connected with four corners of the bottom surface of the bearing plate 1, the bottom ends of the four supporting columns 10 are fixedly connected with threaded nails 11, the linkage component comprises four belt pulleys 13 and a transmission belt 14, the four belt pulleys 13 are respectively fixedly sleeved on the four supporting columns 10, the transmission belt 14 is sleeved on the four belt pulleys 13, any one of the supporting columns 10 is fixedly connected with a rotating rod 12, the rotating rod 12 is provided with anti-skid patterns, the limiting mechanism comprises a limiting plate 17 and a limiting rod 19, the limiting plate 17 is rotatably connected with the top end of the worm 2, the limiting plate 17 is provided with a limiting hole 18 in a penetrating manner, the upper end of the limiting rod 19 penetrates through the limiting hole 18 and is slidably connected with the limiting, two cleaning plates 15 are fixedly arranged on the bottom surface of the bearing plate 1, cleaning brushes 16 are fixedly connected on the opposite sides of the two cleaning plates 15, and the two cleaning brushes 16 are in contact with the worm 2.

The working principle is as follows: when the device is implemented, the device is placed in a designated place, the rotating rod 12 is rotated to drive one of the supporting columns 10 to rotate, and then the other three supporting columns 10 are driven to rotate through the belt pulley 13 and the transmission belt 14, when the supporting columns 10 rotate, the threaded nails 11 are driven to rotate and penetrate into the ground, and therefore the device is fixed on the ground;

then starting the motor 3, enabling a power output shaft of the motor 3 to drive the worm wheel 4 to rotate, further engaging to drive the worm 2 to rotate and move downwards, further driving the connecting cylinder 5, the miniature electric push rod 7, the sampling cylinder 6 and the sawteeth 9 to rotate and move downwards, further enabling the sawteeth 9 to be in contact with soil and enabling the soil to enter the sampling cylinder 6; when the sampling cylinder 6 is filled with soil samples, the power output shaft of the control motor 3 drives the worm wheel 4 to rotate reversely, so that the worm 2 rotates and moves upwards, and then the connecting cylinder 5 and the sampling cylinder 6 are driven to move upwards, and the sampling process is completed.

When the sampling cylinder 6 filled with the soil sample is taken out, the extension end of the electric push rod moves downwards and extrudes the push plate 8 by starting the miniature electric push rod 7, so that the push plate 8 moves downwards and the soil sample is pushed out of the sampling cylinder 6.

By arranging the cleaning plate 15 and the cleaning brush 16, when the worm 2 rotates, the cleaning brush 16 can clean soil stained on the worm 2, so that the engagement between the worm 2 and the worm wheel 4 is prevented from being influenced by the soil; the movement of the worm 2 is restricted by providing the stopper plate 17 and the stopper rod 19, so that the worm 2 can only vertically move up and down, and the worm 2 and the sampling tube 6 are prevented from inclining.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sampling device for gathering soil volatile organic compounds and detect, includes carrier plate (1), its characterized in that:

a worm (2) penetrates through the bearing plate (1), a motor (3) is mounted on the top surface of the bearing plate (1), a worm wheel (4) is fixedly connected to a power output shaft of the motor (3), the worm wheel (4) is meshed with the worm (2), a connecting cylinder (5) is fixedly sleeved at the lower end of the worm (2), a sampling cylinder (6) is fixedly connected to the bottom surface of the connecting cylinder (5), and sawteeth (9) are fixedly arranged on the bottom surface of the sampling cylinder (6); a micro electric push rod (7) is arranged in the connecting cylinder (5), the micro electric push rod (7) is installed at the bottom end of the worm (2), the extending end of the micro electric push rod (7) penetrates through the top surface of the sampling cylinder (6) and is in sliding connection with the sampling cylinder (6), the end part of the extending end of the micro electric push rod (7) is fixedly connected with a push plate (8), and the push plate (8) is in sliding connection with the inner wall of the sampling cylinder (6); a limiting mechanism is arranged on the top surface of the bearing plate (1); the bottom surface of the bearing plate (1) is provided with a supporting mechanism.

2. The sampling device for soil VOC detection as claimed in claim 1, wherein: the supporting mechanism comprises four supporting columns (10) and a linkage assembly, wherein the four supporting columns (10) are respectively connected with four corners of the bottom surface of the bearing plate (1) in a rotating mode, and the bottom ends of the four supporting columns (10) are fixedly connected with threaded nails (11).

3. The sampling device for soil VOC detection as claimed in claim 2, wherein: the linkage assembly comprises four belt pulleys (13) and a transmission belt (14), the four belt pulleys (13) are respectively fixedly sleeved on the four support columns (10), and the transmission belt (14) is sleeved on the four belt pulleys (13).

4. The sampling device for soil VOC detection as claimed in claim 3, wherein: any one fixedly connected with dwang (12) on support column (10), be provided with anti-skidding line on dwang (12).

5. The sampling device for soil VOC detection as claimed in claim 1, wherein: stop gear includes limiting plate (17), gag lever post (19), limiting plate (17) are rotated with the top of worm (2) and are connected, run through on limiting plate (17) and be provided with spacing hole (18), the upper end of gag lever post (19) run through spacing hole (18) and with limiting plate (17) sliding connection, the lower extreme of gag lever post (19) and the top surface fixed connection of carrier plate (1).

6. The sampling device for soil VOC detection as claimed in claim 1, wherein: two cleaning plates (15) are fixedly arranged on the bottom surface of the bearing plate (1), two cleaning brushes (16) are fixedly connected to one opposite sides of the cleaning plates (15), and the two cleaning brushes (16) are in contact with the worm (2).