CN216870058U

CN216870058U - Electric direct-pressure undisturbed soil sampling drill adaptive to tubular soil sensor

Info

Publication number: CN216870058U
Application number: CN202123340387.XU
Authority: CN
Inventors: 李慧昱; 高月; 郭振希; 王竹; 李晨; 王铁军; 范宏涛
Original assignee: Shenyang Yifan Agricultural Technology Co ltd
Current assignee: Shenyang Yifan Agricultural Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-01
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to an electric direct-pressure undisturbed soil sampling drill adapted to a tubular soil sensor, which comprises: the device comprises a stress unit, a soil sampling unit and a fixing unit; the lower end of the stress unit is connected with the upper end of the soil taking unit, and the soil taking unit is arranged on the fixed unit; the stress unit comprises a screw rod, an impact drill interface and a hand-held part handle, wherein the two sides of the screw rod in the radial direction are respectively provided with the fixedly connected hand-held part handle, the upper end of the screw rod is provided with the impact drill interface, and the lower end of the screw rod is provided with threads; the soil sampling unit comprises a soil sampling drill bit and a connecting piece, the upper end of the connecting piece is in threaded fit with the screw rod, and a T-shaped clamping groove is formed in the lower end of the connecting piece and is connected with the soil sampling drill bit in a clamped mode. The soil sampling drill is adaptive to the size of a common soil tubular sensor in the market, the sensor is installed without additionally drilling a hole after sampling soil, the tubular soil sensor is installed in situ while the original soil is integrally taken out, the problem that the texture of the soil is damaged is avoided, and the measurement precision is improved.

Description

Electric direct-pressure undisturbed soil sampling drill adaptive to tubular soil sensor

Technical Field

The utility model relates to an earth auger technology, in particular to an electric direct-pressure undisturbed earth auger adapted to a tubular soil sensor.

Background

Before various tubular soil sensors are installed and calibrated, soil with different depths is required to be taken for composition research. The common practice is to use an earth drill to drill a sample on the soil to be installed and measured, and then to open another hole according to the hole diameter of the tubular sensor to install the sensor.

At present, the earth drill is manually operated, the cutting edge is clumsy, so that the time and the labor are wasted when the existing earth drill is used for earth taking operation, only a soil layer with a soft surface can be taken, and when the soil layer is hard to take, the earth is difficult to take, so that when the soil composition is determined, the original state soil is damaged, and the measurement accuracy is not high or the measurement fails. The soil sampling aperture has errors with the tubular soil sensor, and the sensor needs to be additionally provided with a hole after soil sampling; if the pore is too small, the tubular sensor cannot be directly installed in the soil; if the pores are too large, larger holes exist, and saturated mud needs to be poured again to make up the gaps, so that the soil texture is damaged, and the concept of in-situ monitoring of the sensor is contrary to the concept of in-situ monitoring of the sensor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects that the existing soil sampling drill is difficult in soil sampling, low in measurement accuracy, and damaged in soil texture due to the fact that a sensor needs to be additionally arranged through a hole after soil sampling, the utility model aims to solve the technical problem of providing the electric direct-pressure type undisturbed soil sampling drill which is adaptive to a tubular soil sensor. Comprises a stress unit, a soil sampling unit and a fixing unit; the lower end of the stress unit is connected with the upper end of the soil taking unit, and the soil taking unit is arranged on the fixed unit; the stress unit comprises a screw rod 1, an impact drill interface 2 and a hand-held handle 3, wherein the two sides of the screw rod in the radial direction are respectively provided with the hand-held handle 3 which is fixedly connected, the upper end of the screw rod 1 is provided with the impact drill interface 2, and the lower end of the screw rod is provided with threads; the soil taking unit comprises a soil taking drill bit 6 and a connecting piece 5, the upper end of the connecting piece 5 is in threaded fit with the screw rod 1, the lower end of the connecting piece 5 is provided with a T-shaped clamping groove 501, and the T-shaped clamping groove is clamped with the soil taking drill bit 6; the soil sampling drill bit 6 is a hollow cylinder formed by two semi-ring cylindrical soil sampling drill bits 602, one end contacting with the ground is provided with an annular cutting edge 7, and the other end is provided with a clamping column 601 clamped with the T-shaped clamping groove 501 of the connecting piece 5.

The number of the T-shaped clamping grooves 501 is four, and the T-shaped clamping grooves correspond to the positions of the clamping columns 601; the stress unit further comprises a detachable extension rod 4 arranged between the screw rod 1 and the connecting piece 5, and scales are arranged on the outer surface of the extension rod 4. The screw rod 1 is also provided with scales. The fixing unit comprises a fixing circular ring 9, a triangular fixing support 8 and a fixing ground rod 10; the triangular fixed support 8 is of a two-layer tripod structure, the top ends of the two layers of supports are respectively provided with a fixed ring 9 with replaceable size, and the bottom end of the triangular fixed support 8 is provided with a fixed ground rod 10 vertical to the plane; the upper end of the fixed circular ring 9 is connected with the soil sampling drill 6 in a matching way.

The utility model has the following beneficial effects and advantages:

1. the soil sampling drill is adaptive to the size of a common soil tubular sensor in the market, the sensor is installed without additionally opening a hole after soil sampling, and the tubular soil sensor is installed in situ while original soil is integrally taken out, so that the problem that the soil texture is damaged is avoided, and the measurement precision is improved.

2. The soil sampling drill bit of the soil sampling drill is a hollow cylinder consisting of two annular cylindrical soil sampling drill bits, soil sampling is convenient, one end of the hollow cylinder, which is in contact with the ground, is provided with an annular cutting edge, and meanwhile, a percussion drill can be externally connected to a percussion drill interface, so that the soil sampling drill can penetrate into the soil layer, and an original-state soil column can be quickly obtained for hard and soft soil; and possess the fixed bolster, guarantee that the geotome cuts soil perpendicularly.

Drawings

FIG. 1 is a schematic view of an electric direct-pressure undisturbed soil sampling drill adapted to a tubular soil sensor according to the present invention;

FIG. 2 is a disassembled view of the earth-boring bit according to the present invention.

Wherein, 1 is the hob, 2 is the percussion drill mouth, 3 is the handheld portion handle, 4 is the extension rod, 5 is the connecting piece, 501 is T type draw-in groove, 6 is the drill bit that fetches earth, 601 is the card post, 602 is the drill bit that fetches earth of semi-cylindrical form, 7 is the annular blade, 8 is triangle fixed bolster, 9 is fixed ring, 10 is fixed ground pole.

Detailed Description

The utility model is further elucidated with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model provides an electric direct-pressure undisturbed soil drill suitable for a tubular soil sensor, which comprises a replaceable soil-sampling drill 6 suitable for the size of a common soil tubular sensor in the market for drilling into soil, a handheld handle 3 convenient for a user to apply force, a percussion drill interface 2 convenient for being connected with a percussion drill and enabling the soil-sampling drill to go deep into the ground, a connecting piece 5 for connecting the soil-sampling drill 6 with a screw rod 1, and an extension rod 4 selectable according to different installation depths, wherein the soil-sampling drill 6 is columnar, the soil-sampling drill 6 is composed of two semi-cylindrical soil-sampling drills 602, the open end of the soil-sampling drill is hollow and faces the ground, an annular cutting edge 7 is arranged at one end of the soil-sampling drill 6, which is in contact with the ground, and the soil-sampling drill 6 can be fixed in a triangular fixing bracket 8 of a fixing ring 9 with a replaceable size.

The soil sampling drill bit 6 can be three in size, the diameters of the soil sampling drill bit are 42mm, 55mm and 65mm respectively, the annular cutting edge 7 is arranged at one end, which is in contact with the ground, so that the soil sampling drill bit can penetrate into the soil layer, and the soil layer with the required soil depth can be more conveniently sampled for a hard soil layer; for soft soil, soil taking is simpler, more convenient and faster; after the undisturbed soil is taken out, two semi-ring cylindrical soil-taking drill bits 602 are separated, and the undisturbed soil column is completely taken down.

The soil sampling drill bit 6 is connected with the screw rod 1 through a connecting piece 5, the top of the connecting piece 5 is a spiral hole and is connected with the bottom end of the screw rod through threads, the bottom of the connecting piece 5 is hollow, and four T-shaped clamping grooves 501 are formed and connected with welding clamping columns 601 of the soil sampling drill bit 6. The size of the connecting piece 5 is matched with that of the soil sampling drill 6 for use, and three sizes can be replaced to adapt to the outer diameter of most soil tubular sensors on the market.

Be equipped with not unidimensional extension rod 4 between hob 1 and the connecting piece 5, adopt spiral connection, the person of facilitating the use uses when the depth of getting soil is great, obtains the original state soil sample of more depths.

The upper end of the screw rod 1 is provided with a hand-held handle 3, so that the soil-sampling drill can be manually operated; 1 top of hob is equipped with strikes drill connection 2, strikes drill connection 2 person of facilitating the use and when meetting the harder soil of soil property, uses external impact to bore and carries out electronic atress operation, reaches labour saving and time saving's purpose.

The longitudinal section of the soil sampling drill bit 6 is an annular cutting edge 7, and the soil sampling drill bit can conveniently extend into the soil layer. The soil sampling drill bit 6 is cut into a plane, in order to avoid deviation of a user in the process of downward cutting, the triangular fixing support 8 of the replaceable fixing ring 9 is fixed by the fixing ground rod 10, the soil sampling drill bit 6 is placed in the fixing ring 9, and the verticality of the drill bit in the cutting process is guaranteed.

From below the handle 3 of the hand-held part, each 10cm is provided with a scale, and a user can accurately fetch soil according to the scales.

When taking out the soil sample, can be through separately borrowing soil drill bit 6, take out original state soil is whole, avoid original state earth pillar to suffer destruction, influence the result of use.

The working process and principle of the utility model are as follows:

when the semi-ring cylindrical earth taking drill bit is used, the two semi-ring cylindrical earth taking drill bits are clamped with the connecting piece to form an earth taking drill bit, and whether an extension rod is used or the size of the extension rod is selected according to the required earth taking depth; after the screw rod, the extension rod and the connecting piece are sequentially connected to form the soil sampling drill, the soil sampling drill is arranged in a fixed circular ring on a fixed support fixed on soil. The soil sampler can be manually operated through a handle of the hand-held part, and can also use an external percussion drill to electrically take soil at the interface of the percussion drill; after the soil is taken out, the two semi-ring cylindrical soil-taking drill bits of the soil-taking drill bit can be separated, and the original soil is taken out completely.

Claims

1. The utility model provides an adaptation is in electronic direct-pressure formula original state soil geotome of tubular soil sensor which characterized in that: comprises a stress unit, a soil sampling unit and a fixing unit; the lower end of the stress unit is connected with the upper end of the soil taking unit, and the soil taking unit is arranged on the fixing unit; the stress unit comprises a screw rod, a percussion drill interface and a hand-held handle, wherein the two sides of the screw rod in the radial direction are respectively provided with the fixedly connected hand-held handle, the upper end of the screw rod is provided with the percussion drill interface, and the lower end of the screw rod is provided with threads; the soil sampling unit comprises a soil sampling drill bit and a connecting piece, the upper end of the connecting piece is in threaded fit with the screw rod, and a T-shaped clamping groove is formed in the lower end of the connecting piece and is connected with the soil sampling drill bit in a clamped mode.

2. The electric direct-pressure undisturbed soil sampling drill adapted to the tubular soil sensor as claimed in claim 1, wherein: the soil sampling drill bit is a hollow cylinder formed by two semi-ring cylindrical soil sampling drill bits, one end of the soil sampling drill bit, which is in contact with the ground, is provided with an annular cutting edge, and the other end of the soil sampling drill bit is provided with a clamping column clamped with a T-shaped clamping groove of the connecting piece.

3. The electric direct-pressure undisturbed soil sampling drill adapted to the tubular soil sensor as claimed in claim 2, wherein: the number of the T-shaped clamping grooves is four, and the T-shaped clamping grooves correspond to the positions of the clamping columns.

4. The electric direct-pressure undisturbed soil sampling drill adapted to the tubular soil sensor as claimed in claim 1, wherein: the stress unit further comprises a detachable extension rod which is arranged between the screw rod and the connecting piece, and scales are arranged on the outer surface of the extension rod.

5. The electric direct-pressure undisturbed soil sampling drill adapted to the tubular soil sensor as claimed in claim 1, wherein: the screw rod is provided with scales.

6. The electric direct-pressure undisturbed soil sampling drill adapted to the tubular soil sensor as claimed in claim 1, wherein: the fixing unit comprises a fixing circular ring, a triangular fixing support and a fixing ground rod; the triangular fixed support is of a two-layer tripod structure, the top ends of the two layers of supports are provided with fixed rings with replaceable sizes, and the bottom end of the triangular fixed support is provided with a fixed ground rod perpendicular to a plane; the upper end of the fixed ring is connected with the soil-taking drill bit in a matching way.