CN220188046U

CN220188046U - Soil sampling device

Info

Publication number: CN220188046U
Application number: CN202320548022.6U
Authority: CN
Inventors: 段德超; 徐辰; 费禹凡; 吴丁雨
Original assignee: Zhejiang Jiahe Ecological Environment Technology Co ltd
Current assignee: Zhejiang Jiahe Ecological Environment Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-12-15
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to a soil sampling device. The technical problems of complex structure, inconvenient operation and low sampling efficiency of the existing soil sampling device are mainly solved. Including barrel, sampling head, imbibition mechanism and collection mechanism, imbibition mechanism includes piston board, screw rod, swivel, transmission shaft and motor, the screw rod is connected with the piston board, swivel with screw rod screw cooperation, swivel drives the piston board through the screw rod and slides, in the barrel and lie in the lower extreme of piston board is equipped with holds the chamber, collection mechanism includes collecting pipe, pump and solution collector, the collecting pipe with hold the chamber and be linked together, the collecting pipe passes through the pump with solution collector is linked together, the sampling head connect in the barrel and with hold the chamber and communicate. The sampling device is characterized in that the sampling liquid suction mechanism is combined with the collecting mechanism, so that soil solution can be pumped into the cylinder body and then conveyed into the collector, and the sampling device is convenient to detect and has the advantages of being simple in structure, easy, convenient, high in sampling efficiency and the like.

Description

Soil sampling device

Technical Field

The utility model relates to soil sampling equipment, in particular to a soil sampling device.

Background

The collection of soil samples is a most important and most critical link in soil analysis work, is a precondition related to whether an analysis result is correct or not, and if sampling is incorrect, the generated error (sampling error) is far larger than that of soil sample weighing analysis, so that the requirement of soil sampling is very strict, a small amount of taken soil can represent the real condition of soil with a certain land area, representative soil can be collected according to a certain rule, and the sampling equipment is preferably selected when the soil sampling equipment is selected, so that the sampling equipment is convenient to use, and deeper soil can be taken, but the soil is required to be more moist.

The existing sampling device is like a direct-pushing type soil sampler, the advantages of the traditional sampling machine are drawn, the defects of other sampling devices are overcome, the functions of the sampling machine are various, the advantages are obvious, the direct-pushing type undisturbed sampling is realized, the original sampling place is not disturbed, and the sampling is accurate. However, when the sampling device is used for deep soil with more dilution and more water, the sampling is difficult, the efficiency is low and the use is inconvenient, so that the usability of the sampling device is affected.

Disclosure of Invention

In order to overcome the defects and shortcomings of the background technology, the utility model provides a soil sampling device which solves the technical problems of complex structure, inconvenient operation and low sampling efficiency of the existing soil sampling device.

The technical scheme of the utility model is as follows: the utility model provides a soil sampling device, includes barrel, sampling head, imbibition mechanism and collection mechanism, imbibition mechanism includes piston plate, screw rod, swivel sleeve, transmission shaft and motor, the piston plate is located in the barrel, the screw rod is connected with the piston plate, swivel sleeve with screw rod screw fit, the motor passes through the transmission shaft drives swivel sleeve rotates, swivel sleeve rotates and drives the screw rod axial displacement, the screw rod drives the piston plate slides from top to bottom along the barrel internal surface, in the barrel and be located the lower extreme of piston plate is equipped with the appearance chamber, collection mechanism includes collecting pipe, pump and solution collector, solution collector is fixed in outside the barrel, the lower extreme of collecting pipe with hold the chamber and be linked together, the upper end of collecting pipe pass the piston plate and through the pump with solution collector is linked together, the sampling head is fixed in on the barrel, the one end of sampling head communicates with each other with the appearance chamber of barrel, the other end of sampling head communicates with each other with the external world.

The liquid sampling device comprises a barrel, a first collecting pipe, a second collecting pipe, a pump, a liquid collector, a first liquid collector, a second liquid collector, a first collecting pipe, a second collecting pipe, a pump and a liquid collector, wherein the first collecting pipe, the pump and the liquid collector are respectively located on two sides of the barrel, the first collecting pipe and the second collecting pipe are respectively located on the first collecting pipe and the second collecting pipe, the pump is arranged in the containing cavity, the lower end of the first collecting pipe is communicated with the first liquid collector, the upper end of the first collecting pipe is communicated with the first liquid collector through the pump, the lower end of the second collecting pipe is communicated with the second liquid collector through the pump, the sampling heads are located on two sides of the barrel and are respectively a first sampling head and a second sampling head, the first sampling head is communicated with the first liquid collector, and the second sampling head is communicated with the second liquid collector.

The upper end of the barrel is provided with a cover body, the motor is fixed on the cover body, the upper end of the screw is positioned in the cover body, the lower end of the screw stretches into the barrel body and is connected with the piston plate, the transmission shaft is connected with the motor and penetrates into the cover body to be fixedly connected with the rotary sleeve, the pump is arranged at the upper end of the barrel body and is positioned in the cover body, one end of the collecting pipe is connected with the pump, and the other end of the collecting pipe penetrates through the side surface of the cover body to be communicated with the solution collector.

The piston plate is provided with a through hole, and the collecting pipe passes through the through hole and is communicated with the solution collecting pipe through the pump.

The outside of barrel lower extreme is equipped with the protective sheath of horizontal distribution, the sampling head is coaxial to be located the protective sheath is inboard.

The protective sleeve is connected with the cylinder body in a clamping or threaded mode.

The outer end of the sampling head is positioned in the protective sleeve, and the inner end of the sampling head is spliced on the protective sleeve.

The outer side of the inner end of the sampling head is provided with a connecting sleeve, the protecting sleeve is provided with an inserting port, and the connecting sleeve is in threaded connection with the sampling head and is in inserting fit with the inserting port.

The sampling head comprises a sampling tube part and a sampling head part, wherein the sampling head part is connected with the sampling tube part, the sampling tube part is communicated with the containing cavity, the sampling head part is in an open horn shape, the bottom of the sampling head part is provided with a suction hole communicated with the sampling tube part, and the outer end of the sampling head part is attached to the inner surface of the protective sleeve and is in sealing fit with the inner surface of the protective sleeve.

The piston plate is provided with a boss, the boss is provided with a connecting port, and the screw rod is fixedly connected with the connecting port and is arranged on the boss.

The utility model has the following beneficial effects: the sampling device is characterized in that the sampling liquid suction mechanism is combined with the collecting mechanism, so that soil solution can be pumped into the cylinder body and then conveyed into the collector, and the sampling device is convenient to detect and has the advantages of being simple in structure, easy, convenient, high in sampling efficiency and the like.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of a connection structure between a sampling head and a protective sleeve in the present utility model.

Fig. 3 is a schematic structural diagram of a sampling head according to the present utility model.

Fig. 4 is an enlarged view of the structure of fig. 2 a according to the present utility model.

In the drawing, a cylinder 1, a sampling head 2, a piston plate 3, a screw 4, a rotary sleeve 5, a transmission shaft 6, a motor 7, a chamber 8, a first chamber 81, a second chamber 82, a collection pipe 9, a first collection pipe 91, a second collection pipe 92, a pump 10, a first pump 101, a second pump 102, a solution collector 11, a first solution collector 111, a second solution collector 112, a partition plate 12, a cover 13, a through hole 14, a protective sleeve 15, a connection sleeve 16, an insertion port 17, a sampling pipe portion 18, a sampling head 19, an intake port 20, a first sampling head 21, a second sampling head 22, a boss 23, and a connection port 24.

Description of the embodiments

The following is a further explanation of embodiments of the utility model:

as shown in the figure, the soil sampling device comprises a barrel 1, a sampling head 2, a liquid absorbing mechanism and a collecting mechanism, wherein the liquid absorbing mechanism comprises a piston plate 3, a screw 4, a rotary sleeve 5, a transmission shaft 6 and a motor 7, the piston plate 3 is arranged in the barrel 1, the screw 4 is connected with the piston plate 3, the rotary sleeve 5 is in spiral fit with the screw 4, the motor 7 drives the rotary sleeve 5 to rotate through the transmission shaft 6, the rotary sleeve 5 rotates to drive the screw 4 to axially move, the screw 4 drives the piston plate 3 to slide up and down along the inner surface of the barrel 1, a containing cavity 8 is arranged in the barrel 1 and positioned at the lower end of the piston plate 3, the collecting mechanism comprises a collecting pipe 9, a pump 10 and a solution collector 11, the solution collector 11 is fixed outside the barrel 1, the lower end of the collecting pipe 9 is communicated with the containing cavity 8, the upper end of the collecting pipe 9 passes through the piston plate 3 and is communicated with the solution collector 11 through the pump 10, the sampling head 2 is fixed at one end of the sampling head 2, and the other end of the sampling head 2 is communicated with the outside of the barrel 2. When the sampling device is used, the motor drives the transmission shaft to rotate, the transmission shaft drives the rotary sleeve to rotate, and the rotary sleeve drives the screw rod to move upwards, so that soil solution is sucked into the accommodating cavity from the sampling head, then the pump is started, and the soil solution is conveyed into the collector from the accommodating cavity through the collecting pipe, so that the purpose of sampling is realized. According to the scheme, the sampling device is combined with the collecting mechanism, so that soil solution can be pumped into the cylinder body and then conveyed into the collector, so that the sampling device is convenient to detect and has the advantages of being simple in structure, easy and convenient, high in sampling efficiency and the like.

In the present utility model, as shown in the drawing, a partition 12 is disposed in the cavity 8, the partition 12 and the cavity 8 form a first cavity 81 and a second cavity 82, the collecting pipe 9, the pump 10 and the solution collector 11 are respectively located at two sides of the cylinder 1, the collecting pipe 9 is respectively a first collecting pipe 91 and a second collecting pipe 92, the pump 10 is respectively a first pump 101 and a second pump 102, the solution collector 11 is respectively a first solution collector 111 and a second solution collector 112, the lower end of the first collecting pipe 91 is communicated with the first cavity 81, the upper end of the first collecting pipe 91 is communicated with the first solution collector 111 through the first pump 101, the lower end of the second collecting pipe 92 is communicated with the second cavity 82, the upper end of the second collecting pipe 92 is communicated with the second solution collector 112 through the second pump 102, the sampling head 2 is located at two sides of the cylinder 1 and is respectively a first sampling head 21 and a second sampling head 22, and the first cavity 21 and the second cavity 82 are communicated with the second cavity 82. Through setting up the baffle for the barrel forms two and holds the chamber, all is connected with the sampling head on first appearance chamber 81 and second appearance chamber 82, first collecting pipe 91 intercommunication holds the intracavity 81 and is linked together with first solution collector 111 through first pump, second collecting pipe 92 intercommunication holds intracavity 82 and is linked together with second solution collector 112 through the second pump, adopts first sampling head 21 and second sampling head 22 can sample the soil of barrel both sides respectively to carry first solution collector 111 and in and solution collector 112, so that detect the contrast, can effectively improve the detection precision of soil, reduce the error, guarantee the reliability of soil sampling, and can effectively improve detection efficiency.

In the utility model, as shown in the figure, the upper end of the cylinder 1 is provided with a cover 13, the motor 7 is fixed on the cover 13, the upper end of the screw 4 is positioned in the cover 13, the lower end of the screw 4 extends into the cylinder 1 and is connected with the piston plate 3, the transmission shaft 6 is connected with the motor 7 and penetrates into the cover 13 to be fixedly connected with the rotary sleeve 5, the pump 10 is arranged at the upper end of the cylinder 1 and positioned in the cover 13, one end of the collecting pipe 9 is connected with the pump 10, and the other end of the collecting pipe is communicated with the solution collector 11 through the side surface of the cover 13. Through above-mentioned scheme, set up the lid, hold screw rod 4, swivel cap 5, transmission shaft 6 and motor 7 together in the lid, whole compact distribution, rational in infrastructure, reliable.

In the present utility model, as shown in the drawing, the piston plate 3 is provided with a through hole 14, and the collection pipe 9 passes through the through hole 14 and communicates with the solution collector 11 through the pump 10. By providing a through hole 14 in the piston plate 3, the collecting pipe 9 is connected to the pump 10 through the through hole 14. Reasonable and reliable structure.

In the utility model, as shown in the figure, a horizontally distributed protective sleeve 15 is arranged at the outer side of the lower end of the cylinder body 1, and the sampling head 2 is coaxially arranged at the inner side of the protective sleeve 15. Set up the protective sheath on the barrel, the protective sheath cover is located the outer net of sampling head, protective sheath 15 with barrel 1 joint or threaded connection can effectively realize the protection to the sampling head through setting up the protective sheath, prevent when soil sampling, soil causes the damage to the sampling head, effectively improves the life of sampling head.

In the present utility model, as shown in the figure, the outer end of the sampling head 2 is located in the protective sleeve 15, and the inner end of the sampling head 2 is inserted into the protective sleeve 15. The outer end of the sampling head 2 is positioned at the inner end of the protective sleeve 15, and the sampling plug-in mode is fixed on the protective sleeve, so that the installation is convenient, and the connection is reliable.

In the utility model, as shown in the figure, a connecting sleeve 16 is arranged at the outer side of the inner end of the sampling head 2, an inserting port 17 is arranged on the protecting sleeve 15, and the connecting sleeve 16 is connected to the sampling head 2 in a threaded manner and is in inserting fit with the inserting port 17. Through setting up the adapter sleeve, the adapter sleeve can threaded connection be on the sampling head, realizes on the interface is pegged graft through the adapter sleeve that the sampling head is fixed in on the protective sheath, and convenient connection, installation fastness is strong, and the reliability is high.

In the present utility model, as shown in the drawing, the sampling head 2 includes a sampling tube 18 and a sampling head 19, the sampling head 19 is connected with the sampling tube 18, the sampling tube 18 is communicated with the cavity 8, the sampling head 19 is in an open "horn shape", a suction hole 20 communicated with the sampling tube 18 is provided at the bottom of the sampling head 19, and the outer end of the sampling head 19 is attached to the inner surface of the protective sleeve 15 and is in sealing fit with the inner surface of the protective sleeve. The sampling head 2 is composed of a sampling tube part 18 and a sampling head part 19, and the sampling head part 19 adopts an open horn shape, so that the soil is not easy to block when the soil solution is sucked in, and the soil better enters the sampling head and flows into the cylinder body. Therefore, when the sampling head is used, the sampling head has the advantages of good sampling effect, high efficiency, good usability and the like.

In the present utility model, as shown in the drawing, the piston plate 3 is provided with a boss 23, the boss 23 is provided with a connection port 24, and the screw 4 and the connection port 24 are fixedly connected and mounted on the boss 23. The piston plate 3 is provided with a boss 23, and is fixedly connected with the screw rod through a connecting port 24 arranged on the boss 23. The sampling boss enables the connection stability of the piston plate and the screw to be improved.

Claims

1. A soil sampling device, its characterized in that: the liquid suction device comprises a barrel (1), a sampling head (2), a liquid suction mechanism and a collecting mechanism, wherein the liquid suction mechanism comprises a piston plate (3), a screw rod (4), a rotary sleeve (5), a transmission shaft (6) and a motor (7), the piston plate (3) is arranged in the barrel (1), the screw rod (4) is connected with the piston plate (3), the rotary sleeve (5) is in spiral fit with the screw rod (4), the motor (7) drives the rotary sleeve (5) to rotate through the transmission shaft (6), the rotary sleeve (5) rotates to drive the screw rod (4) to axially move, the screw rod (4) drives the piston plate (3) to slide up and down along the inner surface of the barrel (1), a containing cavity (8) is arranged at the lower end of the piston plate (3) in the barrel (1), the collecting mechanism comprises a collecting pipe (9), a pump (10) and a solution collector (11), the solution collector (11) is fixed outside the barrel (1), the lower end of the collecting pipe (9) is communicated with the collecting pipe (9) through the collecting cavity (10) and the upper end (10) of the collecting pipe (11), the sampling head (2) is fixed on the cylinder body (1), one end of the sampling head (2) is communicated with the containing cavity (8) of the cylinder body (1), and the other end of the sampling head (2) is communicated with the outside.

2. A soil sampling apparatus as claimed in claim 1, wherein: the liquid sampling device is characterized in that a partition plate (12) is arranged in the containing cavity (8), the partition plate (12) and the containing cavity (8) form a first containing cavity (81) and a second containing cavity (82), the collecting pipe (9), the pump (10) and the liquid collector (11) are respectively arranged on two sides of the cylinder body (1), the collecting pipe (9) is respectively a first collecting pipe (91) and a second collecting pipe (92), the pump (10) is respectively a first pump (101) and a second pump (102), the liquid collector (11) is respectively a first liquid collector (111) and a second liquid collector (112), the lower end of the first collecting pipe (91) is communicated with the first containing cavity (81), the upper end of the first collecting pipe (91) is communicated with the first liquid collector (111) through the first pump (101), the lower end of the second collecting pipe (92) is respectively communicated with the second containing cavity (82), the upper end of the second collecting pipe (9) is respectively communicated with the second liquid collector (102), the first collecting pipe (21) is respectively communicated with the second sampling head (21) and the second sampling head (82), and the second sampling head (21) is respectively communicated with the second sampling head (21).

3. A soil sampling apparatus as claimed in claim 1, wherein: the upper end of barrel (1) is equipped with lid (13), motor (7) are fixed in on lid (13), the upper end of screw rod (4) is located lid (13) are internal, the lower extreme stretch into in barrel (1) and with piston plate (3) are connected, transmission shaft (6) are connected and penetrate with motor (7) lid (13) with rotatory cover (5) fixed connection, pump (10) place in barrel (1) upper end and be located in lid (13), the one end of collecting pipe (9) is connected with pump (10), and the other end is passed the side of lid (13) with solution collector (11) are linked together.

4. A soil sampling apparatus as claimed in claim 1, wherein: the piston plate (3) is provided with a through hole (14), and the collecting pipe (9) passes through the through hole (14) and is communicated with the solution collector (11) through the pump (10).

5. A soil sampling apparatus as claimed in claim 1, wherein: the outside of the lower end of the cylinder body (1) is provided with a protective sleeve (15) which is horizontally distributed, and the sampling head (2) is coaxially arranged at the inner side of the protective sleeve (15).

6. The soil sampling apparatus of claim 5, wherein: the protective sleeve (15) is clamped or in threaded connection with the cylinder body (1).

7. The soil sampling apparatus of claim 5, wherein: the outer end of the sampling head (2) is positioned in the protective sleeve (15), and the inner end of the sampling head (2) is inserted into the protective sleeve (15).

8. The soil sampling apparatus of claim 7, wherein: the sampling device is characterized in that a connecting sleeve (16) is arranged at the outer side of the inner end of the sampling head (2), an inserting port (17) is arranged on the protecting sleeve (15), and the connecting sleeve (16) is connected to the sampling head (2) in a threaded manner and is in plug-in fit with the inserting port (17).

9. A soil sampling apparatus as claimed in claim 5 or 6 or 7 or 8, wherein: the sampling head (2) comprises a sampling tube portion (18) and a sampling head portion (19), the sampling head portion (19) is connected with the sampling tube portion (18), the sampling tube portion (18) is communicated with the containing cavity (8), the sampling head portion (19) is in an open horn shape, a suction hole (20) communicated with the sampling tube portion (18) is formed in the bottom of the sampling head portion (19), and the outer end of the sampling head portion (19) is attached to the inner surface of the protective sleeve (15) and is in sealing fit with the inner surface of the protective sleeve.

10. A soil sampling apparatus as claimed in claim 1, wherein: the piston plate (3) is provided with a boss (23), the boss (23) is provided with a connecting port (24), and the screw (4) is fixedly connected with the connecting port (24) and is arranged on the boss (23).