CN218546204U

CN218546204U - Soil sampling device

Info

Publication number: CN218546204U
Application number: CN202222524325.2U
Authority: CN
Inventors: 李孟麒; 李林
Original assignee: Xinyang Zhongqi Agricultural Technology Co ltd
Current assignee: Xinyang Zhongqi Agricultural Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-02-28
Anticipated expiration: 2032-09-23

Abstract

The application provides a soil sampling device, which comprises a motor and a drill rod, wherein the drill rod is fixedly arranged on an output shaft of the motor; the lower end of the drill rod is rotatably provided with a drill bit, the drill rod extends into the sampling cylinder from the top of the sampling cylinder, and the drill rod can be fixedly connected with the sampling cylinder; the sampling cylinder comprises a first sampling cylinder and a second sampling cylinder, the first sampling cylinder and the second sampling cylinder are both long plates with semicircular sections, and the first sampling cylinder and the second sampling cylinder can be fixedly connected into a circular sampling cylinder; the inner walls of the first sampling cylinder and the second sampling cylinder are both vertically provided with limiting strips, the side wall of the drill bit is provided with a limiting groove, and the limiting strips extend into the limiting groove; this soil sampling device can take a sample to the soil of below ground position to be convenient for observe the soil sample level, the sampler barrel clearance is convenient.

Description

Soil sampling device

Technical Field

The utility model belongs to the technical field of the geology detects and specifically relates to a soil sampling device.

Background

Soil sampling is one of the important basic works in the scientific and technological work of soil and ecological research, and the soil sampler is a special tool for soil sampling in the projects of soil testing, formula fertilization, soil monitoring, farmland soil strength investigation and quality evaluation.

At present, the sampler commonly used in the market mainly comprises a T-shaped sampler used for hard soil sampling and a straight-shaped sampler used for dilute soil sampling. When the T-shaped sampler is used, the sampler needs to be vertically downwards, the handle is held by two hands to rotate back and forth, the sampler is pressed downwards at the same time, in order to keep the natural state of soil, the downward pressure needs to be uniform, the force needs to be determined according to the shear strength of the soil, the sampler is lifted out after the soil sampling, the outlet (the end with the handle) faces to the sample inlet, the index finger is used for pressing down at the soil inlet end, and the soil sample slides out; when the soil is too dry, fine soil particles may plug the sampler during rotation, and the sample is not smooth and needs to be hit by a rubber hammer to be taken out; if the soil is too sticky, the soil will stick in the sampler. When the straight-line sampler is used, the push rod is firstly drawn to a proper position (generally 150-200 cm), then the straight push rod is inserted into the mud, the straight push rod is rotated after the straight push rod is in place, the straight push rod is lifted upwards after the soil (mud) in the sampler is filled, then the straight push rod is aligned with the sample bag, and the push rod is used for pushing out the sample.

In any of the above samplers, when the sampler is used for sampling a position at a certain depth below the ground, the sampler can only sample downwards from the surface of the ground until the target depth, so that part of the sample in the sampling cylinder is invalid; secondly, the current sampler can only rely on the gravity roll-off of soil sample when out the appearance usually, can't go out the appearance smoothly when the inner wall resistance of sampler barrel is great or soil sample viscosity is great to the appearance is gone out to gravity still can destroy the appearance level of going out of soil sample, influences the observation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil sampling device for solve the problem that mentions in the above-mentioned background art.

In order to solve the problems, the utility model provides a soil sampling device, which comprises a motor and a drill rod, wherein the drill rod is fixedly arranged on an output shaft of the motor; the lower end of the drill rod is rotatably provided with a drill bit, the drill rod extends into the sampling cylinder from the top of the sampling cylinder, and the drill rod can be fixedly connected with the sampling cylinder; the sampling cylinder comprises a first sampling cylinder and a second sampling cylinder, the first sampling cylinder and the second sampling cylinder are both long plates with semicircular sections, and the first sampling cylinder and the second sampling cylinder can be fixedly connected into a circular sampling cylinder; the inner wall of the first sampling cylinder and the inner wall of the second sampling cylinder are vertically provided with limiting strips, the side wall of the drill bit is provided with a limiting groove, and the limiting strips stretch into the limiting groove.

Further, a circular top plate is arranged at the top of the first sampling cylinder, a through hole is formed in the center of the top plate, and the drill rod penetrates through the through hole.

Furthermore, a circular ring is arranged on a top plate on the first sampling cylinder, and the circular ring and the through hole are arranged concentrically; the drill rod is horizontally provided with a fixing hole, and the drill rod and the circular ring can be fixedly connected through a bolt.

Furthermore, a plurality of fixing holes are uniformly distributed on the drill rod along the vertical direction.

Further, first sampling section of thick bamboo with equal circumference equipartition is provided with a plurality of spacing in the second sampling section of thick bamboo.

Further, the diameter of the drill bit is the same as the inner diameter of the first sampling cylinder and the second sampling cylinder.

Furthermore, the connecting groove has been seted up on the lateral wall of first sampler barrel, the connecting plate has been seted up on the second sampler barrel, the connecting plate can stretch into in the connecting groove, the thickness of connecting plate with the degree of depth of connecting groove is the same, the connecting plate with all seted up the bolt hole on the connecting groove.

Further, handles are arranged on two sides of the motor.

Further, the length of the drill rod is greater than the lengths of the first sampling cylinder and the second sampling cylinder.

This soil sampling device has following beneficial effect:

1) This soil sampling device can creep into downwards earlier through the cooperation of sampler barrel and drill bit, creeps into to the target depth after, and the drill bit is withdrawed, and the sampler barrel begins the sample operation, and the space utilization in guaranteeing the sampler barrel is abundant, and the depth of can taking a sample is big, and it is effectual to take a sample.

2) The soil sampling device can push out the soil sample through the drill bit when the soil sample is out, so that the soil sample is distinct in layer, the observation and the detection are convenient, and the sampling cylinder can be separately observed before the soil sampling device is pushed out, so that the layer of the soil sample is further not damaged.

3) This soil sampling device can separately clear up the sampler barrel after soil sample releases, avoids remaining soil sample adhesion on the sampler barrel inner wall, influences the next sample operation.

Drawings

Fig. 1 is a partial cross-sectional view of a front view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of a first sampling tube according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a second sampling tube according to an embodiment of the present invention.

In the figure: 1. a motor; 11. a handle; 2. a drill bit; 21. a drill stem; 22. a fixing hole; 31. a first sampling cylinder; 32. a limiting strip; 33. connecting grooves; 41. a second sampling tube; 42. a connecting plate.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the embodiment of the soil sampling device of the present invention shown in fig. 1 to 3, the soil sampling device comprises a motor 1 and a drill rod 21, wherein the drill rod 21 is fixedly installed on an output shaft of the motor 1; the lower end of the drill rod 21 is rotatably provided with a drill bit 2, the drill rod 21 extends into the sampling cylinder from the top of the sampling cylinder, and the drill rod 21 can be fixedly connected with the sampling cylinder; the sampling cylinder comprises a first sampling cylinder 31 and a second sampling cylinder 41, the first sampling cylinder 31 and the second sampling cylinder 41 are both long plates with semicircular sections, and the first sampling cylinder 31 and the second sampling cylinder 41 can be fixedly connected into a circular sampling cylinder; the inner walls of the first sampling cylinder 31 and the second sampling cylinder 41 are vertically provided with limiting strips 32, the side wall of the drill bit 2 is provided with limiting grooves, and the limiting strips 32 extend into the limiting grooves.

Specifically, when the soil sampling device is used, if soil which starts from the ground and descends to a certain depth needs to be sampled, the positions of the drill rod 21 and the sampling cylinder are adjusted, the drill bit 2 extends into the sampling cylinder, the sampling cylinder props against the ground, then the drill rod 21 and the sampling cylinder are fixed, the motor 1 is started, and the drill rod 21 drives the sampling cylinder to rotate to sample the soil; if need take a sample to the soil of the certain degree of depth of below ground, adjust the position of drilling rod 21 and sampler barrel, make drill bit 2 stretch out outside the sampler barrel, fixed drilling rod 21 and sampler barrel, starter motor 1, make motor 1 drive drilling rod 21 rotate, drilling rod 21 drives the sampler barrel and rotates, the sampler barrel drives drill bit 2 and rotates, drill bit 2 creeps into downwards, wait to creep into to the target depth after, readjust the position of drilling rod 21 and sampler barrel, make drill bit 2 retract in the sampler barrel, after finishing adjusting, can begin to carry out the sample operation through the sampler barrel, guarantee that all soil samples in the sampler barrel are the soil sample in the target depth scope.

After sampling, the sampling cylinder is pulled out of the soil, the first sampling cylinder 31 is separated from the second sampling cylinder 41, the hierarchical structure of the soil sample can be visually and clearly observed, the address condition can be conveniently analyzed, and after the observation is finished, the drill rod 21 can be pushed under the condition that the sampling cylinder is not moved, so that the drill rod 21 drives the drill bit 2 to push the soil sample out of the container, and the next analysis and detection can be conveniently carried out on the soil sample; after the soil sample is pushed out, the soil sample in the sampling cylinder is ensured to be remained, and the first sampling cylinder 31 and the second sampling cylinder 41 can be fixed again to wait for the next operation.

In one embodiment of the present application, preferably, a circular top plate is disposed at the top of the first sampling cylinder 31, a through hole is formed at the center of the top plate, and the drill rod 21 passes through the through hole; the drill rod 21 and the sampling cylinder are matched reasonably and stably.

In one embodiment of the present application, preferably, a circular ring is disposed on the top plate of the first sampling cylinder 31, and the circular ring is disposed concentrically with the through hole; a straight groove is horizontally formed in the circular ring, a fixing hole 22 is horizontally formed in the drill rod 21, and the drill rod 21 and the circular ring can be fixedly connected through a bolt; the drill rod 21 and the first sampling cylinder 31 are fixed and disassembled conveniently, quickly and reliably.

In one embodiment of the present application, preferably, the drill rod 21 is uniformly provided with a plurality of fixing holes 22 along a vertical direction; the drill rod 21 can be fixed to the circular ring on the first sampling cylinder 31 at any position of the fixing hole 22, that is, the adjustment range of the drill bit 2 in the sampling cylinder is ensured.

In an embodiment of the present application, preferably, a plurality of limiting strips 32 are uniformly distributed in the first sampling cylinder 31 and the second sampling cylinder 41 in the circumferential direction; the stress of the drill bit 2 in the sliding process is uniform, and the influence on the service life of the drill bit 2 or the limiting strip 32 due to stress concentration is avoided.

In one embodiment of the present application, it is preferable that the diameter of the drill 2 is the same as the inner diameter of the first and

second sampling cylinders

31 and 41; on the one hand, guarantee when drilling down through drill bit 2, the soil in the non-sampling range can not get into the sampler barrel, and on the other hand is convenient for also push out the soil sample through drill bit 2, guarantees that no soil sample remains on the sampler barrel inner wall.

In an embodiment of the present application, preferably, the side wall of the first sampling barrel 31 is provided with a connecting groove 33, the second sampling barrel 41 is provided with a connecting plate 42, the connecting plate 42 can extend into the connecting groove 33, the thickness of the connecting plate 42 is the same as the depth of the connecting groove 33, and both the connecting plate 42 and the connecting groove 33 are provided with bolt holes; can carry out fixed connection with first sampling tube 31, second sampling tube 41 through the bolt, when guaranteeing to connect reliably, avoid having the bulge on the sampling tube outer wall, influence the sampling tube and creep into downwards when the operation of taking a sample, make the sampling tube atress balanced, stable.

In one embodiment of the present application, it is preferable that both sides of the motor 1 are provided with handles 11; the operating personnel of being convenient for grip, carry out the operation, improve operating personnel's operation experience.

In one embodiment of the present application, it is preferable that the length of the drill rod 21 is greater than the lengths of the first and

second sampling cylinders

31 and 41; ensuring that the drill bit 2 can be fixed at any position in the sampling tube.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A soil sampling device comprises a motor and a drill rod, wherein the drill rod is fixedly arranged on an output shaft of the motor; the method is characterized in that: the drill bit is rotatably arranged at the lower end of the drill rod, the drill rod extends into the sampling cylinder from the top of the sampling cylinder, and the drill rod can be fixedly connected with the sampling cylinder; the sampling cylinder comprises a first sampling cylinder and a second sampling cylinder, the first sampling cylinder and the second sampling cylinder are both long plates with semicircular sections, and the first sampling cylinder and the second sampling cylinder can be fixedly connected into a circular sampling cylinder; the first sampling tube with equal vertical spacing strip that is provided with on the inner wall of second sampling tube, the spacing groove has been seted up on the lateral wall of drill bit, spacing strip stretches into the spacing inslot.

2. The soil sampling device of claim 1, wherein: the top of the first sampling cylinder is provided with a circular top plate, a through hole is formed in the center of the top plate, and the drill rod penetrates through the through hole.

3. A soil sampling device as claimed in claim 2, wherein: a circular ring is arranged on a top plate on the first sampling cylinder, and the circular ring and the through hole are arranged concentrically; the drill rod is horizontally provided with a fixing hole, and the drill rod and the circular ring can be fixedly connected through a bolt.

4. A soil sampling device as claimed in claim 3, wherein: a plurality of fixing holes are uniformly distributed in the drill rod along the vertical direction.

5. The soil sampling device of claim 1, wherein: first sampling section of thick bamboo with equal circumference equipartition is provided with a plurality of spacing in the second sampling section of thick bamboo.

6. The soil sampling device of claim 1, wherein: the diameter of drill bit with the internal diameter of first sampling section of thick bamboo, the second sampling section of thick bamboo is the same.

7. A soil sampling device as claimed in claim 1, wherein: the connecting groove has been seted up on the lateral wall of first sampling section of thick bamboo, the connecting plate has been seted up on the second sampling section of thick bamboo, the connecting plate can stretch into in the connecting groove, the thickness of connecting plate with the degree of depth of connecting groove is the same, the connecting plate with all seted up the bolt hole on the connecting groove.

8. A soil sampling device as claimed in claim 1, wherein: handles are arranged on two sides of the motor.

9. A soil sampling device as claimed in claim 1, wherein: the length of drill rod is greater than the length of first sampling section of thick bamboo, the second sampling section of thick bamboo.