A soil drilling and sampling device for soil testing

Abstract

This utility model discloses a soil drilling and sampling device for soil testing, including a drilling support, with a soil sampling device installed at the front end of the drilling support. This utility model uses a detachable installation method to connect the mounting cylinder and sampling cylinder assembly, facilitating the replacement of worn sampling cylinders and subsequent collection of sampled soil. When it is necessary to separate the sampling cylinder and mounting cylinder, the user can rotate the locking plate to disengage it from the arc-shaped limiting plate, thus separating the sampling cylinder. The flipped-up locking plate is magnetically attracted by magnets one and two, preventing the drooping locking plate from affecting the installation of the sampling cylinder. The sampling cylinder consists of two detachable shells, facilitating the separation of the sampled soil, improving sampling convenience and subsequent cleaning. Furthermore, the design of the sampling cylinder allows for the collection of a larger amount of soil at once, reducing the number of soil sampling attempts and thus improving soil sampling efficiency.

Description

Technical Field

[0001] This utility model relates to the field of soil testing technology, specifically to a soil drilling and sampling device for soil testing. Background Technology

[0002] Soil drilling and sampling devices are specially designed to extract soil samples. They are mainly used in fields such as geological exploration, soil research, and basic engineering. They can extract soil samples, ensuring the integrity and representativeness of the samples. By drilling and sampling, it is possible to verify whether the foundation soil meets the design requirements and to test the soil's moisture retention capacity, etc.

[0003] The prior art, disclosed in patent document CN214538662U, presents the following technical solution: a soil sampling device for drilling, comprising a drill bit, a spiral groove on the drill bit, a soil collection groove on the drill bit, an extension rod on the top of the drill bit, a sliding ring on the outer side of the extension rod, a plurality of foot connectors on the sliding ring, each foot connector having a foot, the foot being rotatably connected to the sliding ring via the foot connector, and a handle connector on the top of the extension rod having a plurality of handles.

[0004] The drill bit in the above-mentioned technical solution is installed in a fixed manner, which makes it difficult to replace the damaged drill bit or to collect the sampled soil from the soil collection tank. In addition, the amount of soil collected by the soil collection tank at one time is small, so soil sampling needs to be repeated many times. Utility Model Content

[0005] The purpose of this invention is to provide a soil drilling and sampling device for soil testing, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a soil drilling and sampling device for soil testing, comprising a drilling support, wherein a soil sampling device is installed at the front end of the drilling support.

[0007] The soil sampling device includes a sampler, which consists of an installation cylinder, a sampling cylinder assembly, and serrations. The installation cylinder has a slot at its bottom and installation grooves on both sides of its outer surface. A snap-fit ​​plate is rotatably connected to each installation groove. A rubber pad is provided on the inner side below each snap-fit ​​plate. A magnet is provided on the outer surface of each installation groove, and a magnet is provided on the inner side of each installation groove. The magnets attract each other on the contact side. The serrations consist of two symmetrical shells. An arc-shaped limiting plate is fixedly connected to the outer surface of each shell. Installation protrusions are arranged on one side of each shell, with the installation protrusions on one end of the shell and the installation protrusions on the other end of the shell staggered. Grooves are arranged on the other side of each shell, with the grooves on one end of the shell and the grooves on the other end of the shell staggered. The installation protrusions on one side snap into the grooves on the other side and are connected by rivets.

[0008] In the above technical solution, the installation tube and sampling tube assembly are connected by a detachable installation method, which facilitates the replacement of worn sampling tubes and the subsequent collection of sampled soil. In addition, the sampling tube consists of two detachable shells, which facilitates separation to detach the sampled soil, improves sampling convenience and facilitates subsequent cleaning.

[0009] As a further preferred embodiment of this technical solution, the bottom of the drilling bracket is fixedly connected to a base, and the left and right sides of the front side of the base are fixedly connected to fixing plates, and threaded fixing rods are threadedly connected to the outer side of the fixing plates.

[0010] In the above technical solution, the fixed plate and threaded fixing rod can provide stable support for the device.

[0011] As a further preferred embodiment of this technical solution, the rear end of the drilling support is equipped with casters for moving the device.

[0012] As a further preferred embodiment of this technical solution, telescopic support rods are movably connected to both the left and right sides above the drilling bracket, and fixed cones are movably connected to the other end of each telescopic support rod.

[0013] In the above technical solution, the telescopic support rod and the fixed cone are provided to further support and fix the device, reducing the shaking of the device during drilling.

[0014] As a further preferred embodiment of this technical solution, a hydraulic cylinder is installed at the top of the drilling support, the output end of the hydraulic cylinder passes through the top side of the drilling support and is bolted to a guide block, the outer wall of the guide block is slidably connected to the inner wall of the drilling support, and the sampler is installed on the outside of the guide block.

[0015] In the above technical solution, the sampling tube assembly can be driven to penetrate into the soil, and at the same time, the sampling tube assembly that has penetrated into the soil can be pulled out.

[0016] As a further preferred embodiment of this technical solution, the upper end of the sampling cylinder assembly is inserted into the slot, and the locking plate is locked with the bottom of the arc-shaped limiting plate by rotation.

[0017] In the above technical solution, the user can rotate the snap-fit ​​plate to disengage it from the arc-shaped limiting plate, thereby separating the sampling cylinder.

[0018] As a further preferred embodiment of this technical solution, a rubber pad is provided on the top side of the housing, and the rubber pad abuts against the top side of the slot.

[0019] In the above technical solution, the rubber pads can reduce the wear on the two side housings 3321 when drilling downwards.

[0020] This utility model provides a soil drilling and sampling device for soil testing, which has the following beneficial effects:

[0021] (1) The present invention uses a detachable installation method to connect the installation tube and the sampling tube assembly, which facilitates the replacement of worn sampling tubes and the subsequent collection of sampled soil. When it is necessary to separate the sampling tube and the installation tube, the user can rotate the snap-fit ​​plate to make it disengage from the arc-shaped limiting plate, and the sampling tube can be separated. The snap-fit ​​plate flipped up is magnetically attracted by magnet one and magnet two to prevent the snap-fit ​​plate from drooping down from affecting the installation of the sampling tube.

[0022] (2) The present invention uses a sampling tube composed of two detachable shells, which facilitates the separation of the sampled soil, improves the convenience of sampling and facilitates subsequent cleaning. The design of the sampling tube allows for the collection of more soil at one time, reducing the number of soil samplings and thus improving the efficiency of soil sampling. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the soil sampling device of this utility model;

[0025] Figure 3 This is a schematic diagram of the connection between the sampling tube and the mounting tube of this utility model;

[0026] Figure 4 This is a schematic diagram of the disassembled sampling cylinder of this utility model;

[0027] Figure 5 This is an enlarged view of Figure A of this utility model;

[0028] Figure 6 This is a partial cross-sectional view of the mounting cylinder of this utility model.

[0029] In the diagram: 1. Drilling bracket; 11. Base; 12. Fixing plate; 13. Threaded fixing rod; 14. Moving wheel; 2. Telescopic support rod; 21. Fixing cone; 3. Soil sampling device; 31. Hydraulic cylinder; 32. Guide block; 33. Sampler; 331. Mounting cylinder; 332. Sampling cylinder assembly; 333. Serrated edge; 3311. Slot; 3312. Mounting groove; 3313. Snap-fit ​​plate; 3314. Rubber pad; 3315. Magnet one; 3316. Magnet two; 3321. Housing; 3322. Arc-shaped limiting plate; 3323. Rubber pad; 3324. Mounting protrusion; 3325. Groove. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0031] This utility model provides a technical solution: such as Figure 1 As shown in this embodiment, a soil drilling and sampling device for soil testing includes a drilling support 1. A base 11 is fixedly connected to the bottom of the drilling support 1. Fixing plates 12 are fixedly connected to the left and right sides of the front side of the base 11. Threaded fixing rods 13 are threadedly connected to the outer sides of the fixing plates 12. The fixing plates 12 and threaded fixing rods 13 can provide stable support for the device. A movable wheel 14 is installed at the rear end of the drilling support 1 for moving the device. Telescopic support rods 2 are movably connected to the left and right sides of the top of the drilling support 1. A fixed cone 21 is movably connected to the other end of each telescopic support rod 2. The telescopic support rods 2 and fixed cones 21 further support and fix the device, reducing the shaking generated by the device during drilling.

[0032] like Figure 2 , 3 and Figure 6As shown, a soil sampling device 3 is installed at the front end of the drilling support 1, and a hydraulic cylinder 31 is installed at the top of the drilling support 1. The output end of the hydraulic cylinder 31 passes through the top side of the drilling support 1 and is bolted to a guide block 32. The outer wall of the guide block 32 is slidably connected to the inner wall of the drilling support 1. A sampler 33 is installed on the outside of the guide block 32. The soil sampling device 3 includes a sampler 33, which consists of an installation cylinder 331, a sampling cylinder assembly 332, and serrations 333. A slot 3311 is provided at the bottom of the installation cylinder 331, and installation grooves 3312 are provided on both sides of the outer surface of the installation cylinder 331. A snap-fit ​​plate 3313 is rotatably connected in each of the installation grooves 3312. A rubber pad 3314 is provided on the inner side below the snap-fit ​​plate 3313. The rubber pad 3314 prevents slippage and disengagement during snap-fit. The snap-fit ​​plate 3313 is in close contact with the arc-shaped limiting plate 3322 through the rubber pad 3314. Magnet 3315 is provided on the outer surface of the mounting groove 3312, and magnet 3316 is provided on the inner side of the mounting groove 3312. Magnet 3315 and magnet 3316 are attracted to each other on the contact side. The upper end of the sampling tube assembly 332 is inserted into the slot 3311, and the locking plate 3313 is locked to the bottom of the arc-shaped limiting plate 3322 by rotation. The mounting tube 331 and the sampling tube assembly 332 are connected by a detachable installation method, which facilitates the replacement of worn sampling tubes and the subsequent collection of sampled soil. When it is necessary to separate the sampling tube and the mounting tube 331, the user can rotate the locking plate 3313 to disengage it from the arc-shaped limiting plate 3322, and the sampling tube can be separated. The flipped-up locking plate 3313 is magnetically attracted by magnet 3315 and magnet 3316 to prevent the drooping locking plate 3313 from affecting the installation of the sampling tube.

[0033] like Figure 4 and Figure 5As shown, the sawtooth 333 consists of two symmetrical housings 3321. Each housing 3321 has a rubber pad 3323 on its top side, which abuts against the top side of the slot 3311. The rubber pad 3323 reduces wear on the housings 3321 during downward drilling. Arc-shaped limiting plates 3322 are fixedly connected to the outer surface of each housing 3321. Mounting protrusions 3324 are arranged on one side of each housing 3321, with the mounting protrusions 3324 on one end of the housing 3321 and the other end of the housing 3321 being staggered. The other side of the housing 3321 is provided with grooves 3325. The grooves 3325 on one end of the housing 3321 are staggered with the grooves 3325 on the other end of the housing 3321. A mounting plate 3324 on one side is snapped into the groove 3325 on the other side and connected by rivets. The sampling tube is composed of two detachable housings 3321, which facilitates separation to remove the sampled soil, improves sampling convenience and facilitates subsequent cleaning. The design of the sampling tube allows for the collection of more soil at one time, reducing the number of soil samplings and thus improving the efficiency of soil sampling.

[0034] This utility model provides a soil drilling and sampling device for soil testing. The specific working principle is as follows: When the device moves to the designated position, the threaded fixing rod 13 and the telescopic fixing cone 21 are rotated to support and fix the device. When drilling and sampling, the hydraulic cylinder 31 is activated by the external control module, so that the guide block 32 pushes the sampler 33 to move towards the soil layer until the sampling cylinder assembly 332 is embedded in the soil. Then, the sampling cylinder assembly 332 embedded in the soil is removed by the hydraulic cylinder 31. When sampling, the user can rotate the snap-fit ​​plate 3313 to disengage it from the arc-shaped limiting plate 3322, so that the sampling cylinder and the installation cylinder 331 can be separated. Then, the rivets connecting the mounting convex plate 3324 and the groove 3325 are removed, so that the shells 3321 on both sides are separated, and the soil sampling is completed.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A soil coring device for soil testing, comprising a coring support (1), characterised in that: A soil sampling device (3) is installed at the front end of the borehole support (1); The soil sampling device (3) includes a sampler (33), which consists of an installation cylinder (331), a sampling cylinder assembly (332), and a sawtooth (333). The installation cylinder (331) has a slot (3311) at its bottom, and installation grooves (3312) are provided on both sides of the outer surface of the installation cylinder (331). A snap-fit ​​plate (3313) is rotatably connected in each of the installation grooves (3312). A rubber pad (3314) is provided on the inner side below the snap-fit ​​plate (3313). A magnet (3315) is provided on the outer surface of each installation groove (3312), and a magnet (3316) is provided on the inner side of each installation groove (3312). The magnet (3315) and magnet (3316) are attracted to each other on the contact side. The tooth (333) is composed of two symmetrical shells (3321). An arc-shaped limiting plate (3322) is fixedly connected to the outer surface of the shell (3321). Mounting protrusions (3324) are arranged on one side of the shell (3321). The mounting protrusions (3324) on one end of the shell (3321) are staggered with the mounting protrusions (3324) on the other end of the shell (3321). Grooves (3325) are arranged on the other side of the shell (3321). The grooves (3325) on one end of the shell (3321) are staggered with the grooves (3325) on the other end of the shell (3321). The mounting protrusions (3324) on one side are engaged in the grooves (3325) on the other side and are connected by rivets.

2. The soil coring device for soil testing according to claim 1, wherein: The bottom of the drilling bracket (1) is fixedly connected to a base (11), and the left and right sides of the front side of the base (11) are fixedly connected to fixing plates (12), and the outer sides of the fixing plates (12) are threadedly connected to threaded fixing rods (13).

3. The soil coring device for soil testing according to claim 1, wherein: The drilling support (1) is equipped with a moving wheel (14) at its rear end for moving the device.

4. The soil coring device for soil testing of claim 1, wherein: Telescopic support rods (2) are movably connected to the left and right sides above the drilling bracket (1), and fixed cones (21) are movably connected to the other end of each telescopic support rod (2).

5. The soil coring device for soil testing of claim 1, wherein: A hydraulic cylinder (31) is installed at the top of the drilling support (1). The output end of the hydraulic cylinder (31) passes through the top side of the drilling support (1) and is bolted to a guide block (32). The outer wall of the guide block (32) is slidably connected to the inner wall of the drilling support (1). The sampler (33) is installed on the outside of the guide block (32).

6. The soil coring device for soil testing of claim 1, wherein: The upper end of the sampling tube assembly (332) is inserted into the slot (3311), and the snap-fit ​​plate (3313) is snapped into the bottom of the arc-shaped limiting plate (3322) by rotation.

7. The soil coring device for soil testing of claim 1, wherein: Each of the housings (3321) has a rubber pad (3323) on its top side, and the rubber pad (3323) abuts against the top side of the slot (3311).

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