CN112593540A

CN112593540A - Soil sampling device with soil loosening drill rod and sampling method thereof

Info

Publication number: CN112593540A
Application number: CN202011214026.8A
Authority: CN
Inventors: 张军武; 党怡
Original assignee: Xi'an Chongguangguangchen Testing Technology Co ltd
Current assignee: Jiangsu Yushun Engineering Inspection Technology Service Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-04-02
Anticipated expiration: 2040-11-04
Also published as: CN112593540B

Abstract

The invention discloses a soil sampling device with a soil loosening drill rod, which comprises a base, wherein a mounting frame perpendicular to the base is fixedly arranged on the base, a soil sucker is also fixedly arranged on the base, an electric slide rail which vertically slides is arranged on the mounting frame, a horizontal mounting rod is fixed on a slide block of the electric slide rail, a motor with a downward extending main shaft is fixed at one end, away from the mounting frame, of the mounting rod, and a drilling drill bit or a soil loosening drill rod or a soil taking drill bit is detachably connected to the main shaft of the motor. The soil sampling device with the soil loosening drill rod solves the problems that in the prior art, the work efficiency of soil sampling is seriously affected due to the fact that the sampling is pressed and rotated by hands and the soil is difficult to discharge. The invention also discloses a soil sampling method.

Description

Soil sampling device with soil loosening drill rod and sampling method thereof

Technical Field

The invention belongs to the technical field of hydraulic engineering test equipment, relates to a soil sampling device with a soil loosening drill rod, and further relates to a method for sampling by using the soil sampling device.

Background

When the manual earth-taking drill is used for drilling, the problem of earth discharging of the drill bit is found to be troublesome, earth entering the drill bit during drilling can only be removed by manual digging, manpower and time are consumed, and the test progress is seriously influenced. And traditional geotome links pipe drill bit and drilling rod and the fixed handle in drilling rod upper end as an organic whole, when gathering soil sample, holds the handle and rotates hard, blocks soil in the intraductal of drill bit, then scrapes required soil with thin rod, and this kind of method of gathering soil not only wastes time and energy, has destroyed the original state soil, seriously influences the work efficiency that soil gathered. Simultaneously, along with the increase of sampling depth, the degree of difficulty of taking out the sample thief also can increase, is difficult to take out even with the sampler card in soil, and the soil sample thief still can have the risk of damage. When the existing soil sampling device collects soil at a deeper position, shallow soil can be carried along, so that sampling pollution is caused.

Disclosure of Invention

The invention aims to provide a soil sampling device with a soil loosening drill rod, and solves the problems that in the prior art, the work efficiency of soil collection is seriously affected due to the fact that the sampling is pressed and rotated by hands and the soil is difficult to discharge.

The invention also aims to disclose a soil sampling method.

The technical scheme includes that the soil sampling device with the soil loosening drill rod comprises a base, wherein a mounting frame perpendicular to the base is fixedly arranged on the base, a soil sucker is further fixedly arranged on the base, an electric slide rail which vertically slides is arranged on the mounting frame, a horizontal mounting rod is fixedly arranged on a slide block of the electric slide rail, a motor with a downward-extending main shaft is fixedly arranged at one end, far away from the mounting frame, of the mounting rod, and a drilling bit, the soil loosening drill rod or a soil taking bit is detachably connected to the main shaft of the motor.

The first aspect of the present invention is also characterized in that,

the upper end of the drilling bit is connected with a drilling bit joint in a threaded connection mode, the drilling bit joint is connected to the lower end of a main shaft of the motor in a threaded connection mode, and the drilling bit is a thin-wall hollow cylinder.

The drilling rod that loosens the soil includes the drilling rod connector of connecting at the main shaft lower extreme of motor through threaded connection's mode, and drilling rod connector lower extreme and drilling rod connector an organic whole are provided with the drilling rod fixed disk, and drilling rod fixed disk diameter is not more than the internal diameter of drilling bit, and drilling rod fixed disk lower extreme is evenly fixed and is provided with a plurality of drill bits that loosen the soil.

The drill bit that loosens the soil is including fixing the drill rod joint at drill rod fixed disk lower extreme, and the drill rod joint lower extreme other end is fixed and is provided with the ring flange, and the ring flange lower extreme evenly is provided with a plurality of blades that loosen the soil.

A plurality of blades that loosen the soil set up in the bottom of ring flange along the circumferencial direction equipartition, and the blades that loosen the soil extend along the ring flange axial and incline to its ring flange circumference tangential direction that corresponds, all are equipped with vice blade on blade outer wall and the inner wall loosens the soil, and vice blade outwards or the inside slope stretches out to the outside or the inside of the blade that loosens the soil, and the lower extreme of the blade that loosens the soil is equipped with the crooked extension tool bit that is the horn mouth form to the outside extension.

Each soil loosening blade is evenly provided with a plurality of auxiliary blades along the height direction.

The soil sampling drill bit comprises a soil sampling cylinder which is a thin-wall hollow cylinder, a soil discharging piston is connected in the soil sampling cylinder in a sliding mode, and a soil discharging rod is connected on the soil discharging piston in a threaded connection mode.

The upper end of the soil sampling cylinder is connected with a soil sampling cylinder joint through threads, the soil sampling cylinder joint is connected to a main shaft of the motor through threads, the lower end of the soil sampling cylinder and the soil sampling cylinder are integrally provided with a soil sampling cutter head, the outline of the soil sampling cutter head is in a round table shape, the diameter of the outer wall of the soil sampling cutter head is gradually reduced from top to bottom until the diameter of the outer wall of the soil sampling cutter head is the same as the inner diameter of the soil sampling cylinder, and the maximum outer diameter of the soil sampling cutter head is smaller than the inner diameter of the drilling bit.

The two corresponding sides of the inner side wall of the soil sampling cylinder are provided with chutes or the two corresponding sides of the inner side wall of the soil sampling cylinder are provided with slide rails, and a soil discharging piston is connected in the chutes or on the slide rails in a sliding manner.

The invention adopts another technical scheme that a soil sampling method adopts the soil sampling device with the soil loosening drill rod, and is implemented according to the following steps:

step 1, placing a soil sampling device with a soil loosening drill rod at a position to be sampled, moving a sliding block to the uppermost end of an electric sliding rail, sequentially installing a drilling bit joint and a drilling bit, starting a motor, moving the sliding block of the electric sliding rail downwards while the motor rotates, enabling the drilling bit to rotate downwards to the soil to drill, stopping moving the sliding block of the electric sliding rail downwards and stopping rotating the motor when the distance between the lowermost end of the drilling bit and the depth to be sampled is not more than the height of a soil taking barrel, detaching the drilling bit joint from the drilling bit and the motor, and moving the sliding block of the electric sliding rail upwards to the uppermost end;

step 2, a drill rod connector and a soil loosening drill rod are sequentially installed with a motor, then the electric slide rail and the motor are started, a sliding block of the electric slide rail moves downwards, the soil loosening drill rod rotates and moves downwards to the lowest end of a drilling drill bit, the motor rotates, the soil loosening drill bit loosens soil, after soil in the drilling drill bit is loosened uniformly to a state that a soil sucker can suck, the motor rotates reversely, the sliding block of the electric slide rail moves upwards, then the sliding block stops, the motor stops, a suction pipe of the soil sucker extends into the drilling drill bit, and soil in the drilling drill bit is sucked out;

step 3, sequentially installing the drilling bit joint and the drilling bit, starting the sliding block and the motor, continuously drilling the drilling bit to the depth of the soil to be taken, stopping moving the sliding block of the electric sliding rail downwards, stopping rotating the motor, detaching the drilling bit joint from the drilling bit and the motor, and moving the sliding block of the electric sliding rail upwards to the uppermost end;

and 4, mounting the soil taking barrel on a main shaft of the motor through the soil taking barrel joint, opening the electric sliding rail and the motor, turning the soil taking barrel downwards to the depth of soil to be taken, closing the motor, upwards moving a sliding block of the electric sliding rail, then dismounting the soil taking barrel from the motor, completing sampling, moving a soil discharging piston upwards along a sliding groove or a sliding rail along with soil entering the soil taking barrel in the sampling process, dismounting the soil taking barrel from the soil taking barrel joint after sampling is completed, mounting a soil discharging rod on the soil discharging piston, pressing the soil discharging rod, and downwards moving the soil discharging piston along the sliding groove or the sliding rail to discharge the soil out of the soil taking barrel.

The invention has the beneficial effects that:

(1) the soil discharging device is simple in structure and convenient to use, manpower is saved by adopting an electric mode for drilling and soil taking, the soil discharging rod is arranged for discharging soil, then the sliding rail or the sliding groove is adopted, the soil discharging piston can easily move downwards, the labor is saved for inserting and taking the soil sampler, deep soil is convenient to collect, and the practicability is high.

(2) According to the invention, the drilling bit is used for drilling for the first time, then dumping is carried out, and then secondary drilling is carried out, soil with the depth to be collected is directly adopted through the soil sampler, so that effective pollution isolation during soil layered sampling can be realized, and secondary pollution of peripheral soil and soil in the sampling depth caused by pollutant diffusion is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a soil sampling device with a soil loosening drill rod and a drilling bit installed on the soil sampling device;

FIG. 2 is a schematic structural diagram of a soil sampling device with a soil loosening drill rod, wherein the soil loosening drill rod is mounted in the soil sampling device;

FIG. 3 is a schematic structural diagram of a soil loosening drill bit in the soil sampling device with the soil loosening drill rod according to the present invention;

FIG. 4 is a schematic structural diagram of a soil sampling device with a soil loosening drill rod and provided with a soil taking drill bit;

FIG. 5 is a schematic structural diagram of the soil sampling device with the soil loosening drill rod for soil discharging of the invention;

fig. 6 is a schematic structural diagram of a chute in the soil sampling device with the loosening drill rod.

In the drawing, 1, a base, 2, a mounting frame, 3, an electric sliding rail, 4, a sliding block, 5, a mounting rod, 6, a motor, 7, a drilling bit, 8, a soil sucker, 9, a loosening drill rod, 10, a soil sampling bit, 11, a drilling bit joint, 12, a drill rod joint, 13, a drill rod fixing plate, 14, a loosening drill bit, 15, a drill rod joint, 16, a flange plate, 17, a loosening blade, 18, an auxiliary blade, 19, an extending tool bit, 20, a soil sampling cylinder, 21, a soil discharging piston, 22, a soil discharging rod, 23, a soil sampling tool bit, 24, a sliding groove, 25, a sliding rail and 26, and a soil sampling cylinder joint are arranged.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention relates to a soil sampling device with a soil loosening drill rod, which is structurally shown in figure 1 and comprises a base 1, wherein an installation frame 2 perpendicular to the base 1 is fixedly arranged on the base 1, a soil suction device 8 is also fixedly arranged on the base 1, an electric slide rail 3 which vertically slides is arranged on the installation frame 2, an installation rod 5 which is arranged horizontally is fixedly arranged on a slide block 4 of the electric slide rail 3, a motor 6 with a main shaft extending downwards is fixedly arranged at one end, away from the installation frame 2, of the installation rod 5, and as shown in figures 2-4, a drilling bit 7, a soil loosening drill rod 9 or a soil taking bit 10 is detachably connected to the main shaft of the motor 6.

The upper end of the drilling bit 7 is connected with a drilling bit joint 11 in a threaded connection mode, the drilling bit joint 11 is connected to the lower end of a main shaft of the motor 6 in a threaded connection mode, and the drilling bit 7 is a thin-wall hollow cylinder.

As shown in fig. 2, the soil loosening drill rod 9 comprises a drill rod connector 12 connected to the lower end of the main shaft of the motor 6 in a threaded connection mode, a drill rod fixing disc 13 is integrally arranged at the lower end of the drill rod connector 12 and the drill rod connector 12, the diameter of the drill rod fixing disc 13 is not larger than the inner diameter of the drilling bit 7, and a plurality of soil loosening drill bits 14 are uniformly and fixedly arranged at the lower end of the drill rod fixing disc 13.

As shown in fig. 3, the ripping bit 14 includes a drill rod joint 15 fixed at the lower end of the drill rod fixing plate 13, a flange 16 is fixedly arranged at the other end of the lower end of the drill rod joint 15, and a plurality of ripping blades 17 are uniformly arranged at the lower end of the flange 16.

A plurality of blades 17 that loosen the soil set up in the bottom of ring flange 16 along the circumferencial direction equipartition, and blades 17 that loosen the soil extend and incline to its 16 circumference tangential directions of ring flange that correspond along the ring flange 16 axial, all are equipped with vice blade 18 on the blade 17 outer wall and the inner wall that loosen the soil, and vice blade 18 outwards or inside slope stretch out to the outside or the inside of blade 17 that loosens the soil, and the lower extreme of blade 17 that loosens the soil is equipped with the crooked tool bit 19 that extends that is the horn mouth form to the outside extension.

Each ripping blade 17 is evenly provided with a plurality of sub blades 18 in the height direction thereof.

As shown in fig. 4, the earth-taking drill 10 includes an earth-taking barrel 20 configured as a thin-walled hollow cylinder, an earth-removing piston 21 is slidably connected in the earth-taking barrel 20, and as shown in fig. 5, an earth-removing rod 22 is connected to the earth-removing piston 21 by a threaded connection.

The upper end of the soil sampling barrel 20 is connected with a soil sampling barrel joint 26 through threads, the soil sampling barrel joint 26 is connected to a main shaft of the motor 6 through threads, a soil sampling cutter head 23 is integrally arranged at the lower end of the soil sampling barrel 20 and the soil sampling barrel 20, the outer contour of the soil sampling cutter head 23 is in a circular truncated cone shape, the diameter of the outer wall of the soil sampling cutter head 23 is gradually reduced from top to bottom until the diameter is the same as the inner diameter, the inner diameter of the soil sampling cutter head 23 is the same as the inner diameter of the soil sampling barrel 20, and the maximum outer diameter of the soil sampling cutter head 23 is smaller than.

As shown in fig. 6, two corresponding sides of the inner sidewall of the soil sampling cylinder 20 are provided with sliding grooves 24 or two corresponding sides of the inner sidewall of the soil sampling cylinder 20 are provided with sliding rails 25, and a soil discharging piston 21 is slidably connected in the sliding grooves 24 or the sliding rails 25.

The invention discloses a soil sampling method, which adopts the soil sampling device with the soil loosening drill rod and is implemented according to the following steps:

step 1, as shown in fig. 1, a soil sampling device with a soil loosening drill rod is placed at a position to be sampled, then a slide block 4 is moved to the uppermost end of an electric slide rail 3, a drilling bit joint 11 and a drilling bit 7 are sequentially installed, then a motor 6 is started, the slide block 4 of the electric slide rail 3 moves downwards while the motor 6 rotates, so that the drilling bit 7 rotates downwards to drill in the soil, when the distance between the lowermost end of the drilling bit 7 and the depth to be sampled is not more than the height of a soil taking barrel 15, the slide block 4 of the electric slide rail 3 stops moving downwards, the motor 6 stops rotating, the drilling bit joint 11 is detached from the drilling bit 7 and the motor 6, and then the slide block 4 of the electric slide rail 3 moves upwards to the uppermost end;

step 2, as shown in fig. 2, a drill rod connector 12 and a loosening drill rod 9 are sequentially installed with a motor 6, then the electric slide rail 3 and the motor 6 are started, a slide block 4 of the electric slide rail 3 moves downwards, the loosening drill rod 9 rotates and moves downwards to the lowest end of a drilling bit 7, the motor 6 rotates, a loosening drill bit 14 loosens soil, after soil in the drilling bit 7 is loosened and uniform to a state that a soil sucker 8 can suck, the motor 6 rotates reversely, the slide block 4 of the electric slide rail 3 moves upwards, then the slide block 4 stops and the motor 6 stops, a suction pipe of the soil sucker 8 extends into the drilling bit 7, and soil in the drilling bit 7 is sucked out;

step 3, sequentially installing the drilling bit joint 11 and the drilling bit 7, starting the sliding block 4 and the motor 6, continuously drilling the drilling bit 7 to the depth to be excavated, stopping the downward movement of the sliding block 4 of the electric sliding rail 3 and the rotation of the motor 6, detaching the drilling bit joint 11 from the drilling bit 7 and the motor 6, and then moving the sliding block 4 of the electric sliding rail 3 to the uppermost end;

step 4, as shown in fig. 4, the soil taking cylinder 20 is installed on the main shaft of the motor 6 through the soil taking cylinder joint 26, the electric slide rail 3 and the motor 6 are opened, the soil taking cylinder 20 rotates and moves downwards to the depth of soil to be taken, the motor 6 is closed, the slide block 4 of the electric slide rail 3 moves upwards, then the soil taking cylinder 20 is detached from the motor 6, sampling is completed, the soil discharging piston 21 moves upwards along the slide groove 24 or the slide rail 25 along with the soil entering into the soil taking cylinder 20 in the sampling process, the soil taking cylinder 20 is detached from the soil taking cylinder joint 26 after sampling is completed, then the soil discharging rod 22 is installed on the soil discharging piston 21, the soil discharging rod 22 is pressed, and the soil discharging piston 21 moves downwards along the slide groove 24 or the slide rail 25 to discharge the soil out of the soil taking cylinder 20.

Claims

1. The utility model provides a soil sampling device of drilling rod loosens soil, a serial communication port, including base (1), fixed be provided with on base (1) with base (1) vertically mounting bracket (2), still fixed soil sucking device (8) of being provided with on base (1), be provided with on mounting bracket (2) along vertical gliding electronic slide rail (3), be fixed with on slider (4) of electronic slide rail (3) and set up to horizontally installation pole (5), the one end that mounting bracket (2) were kept away from in installation pole (5) is fixed with motor (6) that the main shaft extends down, can dismantle on the main shaft of motor (6) and be connected with drilling bit (7) or loosen soil drilling rod (9) or drill bit (10) of fetching earth.

2. The soil sampling device with the soil loosening drill rod as claimed in claim 1, wherein a drill bit joint (11) is connected to the upper end of the drill bit (7) in a threaded connection mode, the drill bit joint (11) is connected to the lower end of a main shaft of the motor (6) in a threaded connection mode, and the drill bit (7) is set to be a thin-walled hollow cylinder.

3. The soil sampling device with the soil loosening drill rod as claimed in claim 2, wherein the soil loosening drill rod (9) comprises a drill rod connector (12) connected to the lower end of the main shaft of the motor (6) in a threaded connection mode, a drill rod fixing disc (13) is integrally arranged at the lower end of the drill rod connector (12) and the drill rod connector (12), the diameter of the drill rod fixing disc (13) is not larger than the inner diameter of the drilling bit (7), and a plurality of soil loosening drill bits (14) are uniformly and fixedly arranged at the lower end of the drill rod fixing disc (13).

4. The soil sampling device with the soil loosening drill rod as claimed in claim 3, wherein the soil loosening drill bit (14) comprises a drill rod joint (15) fixed at the lower end of the drill rod fixing disc (13), a flange (16) is fixedly arranged at the other end of the lower end of the drill rod joint (15), and a plurality of soil loosening blades (17) are uniformly arranged at the lower end of the flange (16).

5. The soil sampling device of area loosening drilling rod of claim 4, characterized in that, a plurality of loosening blade (17) set up in the bottom of ring flange (16) along the circumferencial direction equipartition, loosening blade (17) are followed ring flange (16) axial extension just inclines in its corresponding ring flange (16) circumference tangential direction, all be equipped with on loosening blade (17) outer wall and the inner wall vice blade (18), just vice blade (18) outwards or inside slope stretch out to the outside or the inside of loosening blade (17), the lower extreme of loosening blade (17) is equipped with to extend to the outside and is the crooked extension tool bit (19) of horn mouth form.

6. The soil sampling device with the soil loosening drill rod as claimed in claim 5, wherein each soil loosening blade (17) is uniformly provided with a plurality of secondary blades (18) along the height direction thereof.

7. The soil sampling device with the soil loosening drill rod as claimed in claim 6, wherein the soil taking drill bit (10) comprises a soil taking cylinder (20) which is a thin-wall hollow cylinder, a soil discharging piston (21) is connected in the soil taking cylinder (20) in a sliding mode, and a soil discharging rod (22) is connected to the soil discharging piston (21) in a threaded connection mode.

8. The soil sampling device with the soil loosening drill rod according to claim 7, wherein the upper end of the soil taking barrel (20) is connected with a soil taking barrel joint (26) through threads, the soil taking barrel joint (26) is connected to a main shaft of the motor (6) through threads, the lower end of the soil taking barrel (20) and the soil taking barrel (20) are integrally provided with a soil taking cutter head (23), the outer contour of the soil taking cutter head (23) is in a circular truncated cone shape, the diameter of the outer wall of the soil taking cutter head (23) is gradually reduced from top to bottom until the diameter is the same as the inner diameter, the inner diameter of the soil taking cutter head (23) is the same as the inner diameter of the soil taking barrel (20), and the maximum outer diameter of the soil taking cutter head (23) is smaller than the inner diameter of the drilling bit (7).

9. The soil sampling device with the soil loosening drill rod as claimed in claim 7, wherein sliding grooves (24) are formed in two corresponding sides of the inner side wall of the soil sampling cylinder (20) or sliding rails (25) are arranged on two corresponding sides of the inner side wall of the soil sampling cylinder (20), and a soil discharging piston (21) is connected in each sliding groove (24) or each sliding rail (25) in a sliding mode.

10. A soil sampling method, characterized in that, the soil sampling device with the loosening drill rod as claimed in claim 9 is adopted, and the method is implemented according to the following steps:

step 1, placing a soil sampling device with a soil loosening drill rod at a position to be sampled, moving a sliding block (4) to the uppermost end of an electric sliding rail (3), sequentially installing a drilling bit joint (11) and a drilling bit (7), then starting a motor (6), moving the sliding block (4) of the electric sliding rail (3) downwards while the motor (6) rotates, enabling the drilling bit (7) to rotate downwards in soil for drilling, when the distance between the lowermost end of the drilling bit (7) and the depth to be sampled is not more than the height of a soil taking barrel (15), stopping moving the sliding block (4) of the electric sliding rail (3) downwards, stopping rotating the motor (6), detaching the drilling bit joint (11) from the drilling bit (7) and the motor (6), and then moving the sliding block (4) of the electric sliding rail (3) upwards to the uppermost end;

step 2, a drill rod connector (12) and a soil loosening drill rod (9) are sequentially installed with a motor (6), then the electric slide rail (3) and the motor (6) are started, a sliding block (4) of the electric slide rail (3) moves downwards, the soil loosening drill rod (9) rotates and moves downwards to the lowest end of a drilling drill bit (7), the motor (6) rotates, a soil loosening drill bit (14) loosens soil, after soil in the drilling drill bit (7) is loosened uniformly to a soil suction device (8) in a suction state, the motor (6) rotates reversely, the sliding block (4) of the electric slide rail (3) moves upwards, then the sliding block (4) stops, the motor (6) stops, a suction pipe of the soil suction device (8) extends into the drilling drill bit (7), and soil in the drilling drill bit (7) is sucked out;

step 3, sequentially installing the drilling bit joint (11) and the drilling bit (7), starting the sliding block (4) and the motor (6), continuously drilling the drilling bit (7) to the depth to be excavated, stopping moving the sliding block (4) of the electric sliding rail (3) downwards, stopping rotating the motor (6), detaching the drilling bit joint (11) from the drilling bit (7) and the motor (6), and moving the sliding block (4) of the electric sliding rail (3) upwards to the uppermost end;

step 4, installing the soil sampling cylinder (20) on a main shaft of a motor (6) through a soil sampling cylinder connector (26), opening an electric slide rail (3) and the motor (6), turning down the soil sampling cylinder (20) to a depth to be soil sampled, closing the motor (6), moving up a slide block (4) of the electric slide rail (3), then detaching the soil sampling cylinder (20) from the motor (6), completing sampling, moving up a soil discharging piston (21) along a slide groove (24) or a slide rail (25) along with soil entering in the soil sampling cylinder (20) in the sampling process, after sampling is completed, taking down the soil sampling cylinder (20) from the soil sampling cylinder connector (26), then installing a soil discharging rod (22) on the soil discharging piston (21), pressing the soil discharging rod (22), and moving down the soil discharging piston (21) along the slide groove (24) or the slide rail (25) to discharge the soil out of the soil sampling cylinder (20).