CN219245034U

CN219245034U - Loess soil sample sampling device for road engineering

Info

Publication number: CN219245034U
Application number: CN202222730017.5U
Authority: CN
Inventors: 于雪峰; 王辉; 王建平; 王亮; 曲永超; 沈宏浩
Original assignee: China Construction Communications Engineering Group Co Ltd
Current assignee: China Construction Communications Engineering Group Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-23
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a loess soil sample sampling device for road engineering, comprising: the device comprises an anti-skid base, a sampling structure and a push rod; the center of the anti-skid base is provided with a through hole, the sampling structure is arranged on the anti-skid base and is covered on the through hole; the push rod is fixedly connected with the anti-skid base; the sampling structure comprises: the device comprises a shell, a motor, a worm wheel, a force application worm and a sampling tool bit; the shell is of a cylindrical structure with an opening at the bottom, the shell consists of a small inner diameter section positioned at the upper part and a large inner diameter section positioned at the lower part, and the inner wall of the small inner diameter section is provided with an internal thread; one end of the force application worm is in threaded fit connection with the threads of the small inner diameter section, the other end of the force application worm is connected with the sampling tool bit, the motor is fixed on the large inner diameter section, the output shaft of the motor is connected with the worm wheel, and the worm wheel is in threaded connection with the force application worm; the sampling tool bit comprises a sampling chamber and cutter teeth, the sampling chamber is of an inverted circular truncated cone structure with a hollow inside, the top of the sampling chamber is connected with a force application worm, the bottom of the sampling chamber is provided with a plurality of cutter teeth, the center of the bottom of the sampling chamber is provided with an opening, and thread textures are arranged inside the sampling chamber.

Description

Loess soil sample sampling device for road engineering

Technical Field

The utility model belongs to the technical field of soil sampling, and relates to a loess soil sample sampling device for road engineering.

Background

Along with the rapid development of social economy and the progress of scientific technology, the total road mileage of China has become the first global, in road construction, soil at a site is firstly sampled, then analyzed and calculated, and concrete construction work is carried out according to the original layered structure of the soil sample, so that a sampling device with good performance and convenient operation is required in the road construction process.

In engineering investigation, loess is often sampled, and a penetration type soil sampler and a rotary soil sampler are generally used. These sampling devices are typically associated with a drilling rig and other equipment. The equipment such as the drilling machine is relatively heavy, is not suitable for operation in mountain areas, canyons and other inconvenient traffic areas, even in areas without traffic conditions, and has low construction utilization rate.

The soil sampling devices commonly used in current engineering have a number of problems and drawbacks: 1) The soil after sampling is inconvenient to take out and transport; 2) The sampling device is heavy and inconvenient to operate and move, so that the working progress is slow; 3) When the sampling device works, the sampler cannot be guaranteed to be perpendicular to the ground, and the soil sample detection is affected to a certain extent.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide the loess soil sample sampling device for road engineering, which has a simple and light structure, can be used for working in areas such as mountain areas and the like where traffic is convenient, and is convenient to collect and collect soil samples.

The utility model relates to a loess soil sample sampling device for road engineering, comprising: the device comprises an anti-skid base, a sampling structure and a push rod; a through hole is formed in the center of the anti-skid base, and the sampling structure is arranged on the anti-skid base and is covered above the through hole; the push rod is fixedly connected with the anti-skid base; the sampling structure comprises: the shell, and the motor, the worm wheel, the force application worm and the sampling tool bit which are arranged in the shell; the shell is of a cylindrical structure with an opening at the bottom, and consists of a small inner diameter section positioned at the upper part and a large inner diameter section positioned at the lower part, and the inner wall of the small inner diameter section is provided with an internal thread; one end of the force application worm is in threaded fit connection with the screw thread of the small inner diameter section, the other end of the force application worm is connected with the sampling tool bit, the motor is fixed on the large inner diameter section, the motor output shaft is connected with a worm wheel, and the worm wheel is in threaded connection with the force application worm; the sampling tool bit comprises a sampling chamber and cutter teeth, the sampling chamber is of an inverted circular truncated cone structure with a hollow inside, the top of the sampling chamber is connected with a force application worm, a plurality of cutter teeth are arranged on the equidistant circumference of the bottom of the sampling chamber, an opening is formed in the center of the bottom of the sampling chamber, and thread textures are arranged inside the sampling chamber.

In the loess soil sample sampling device for road engineering, the anti-skid foot pad is paved on the top surface of the anti-skid base, the anti-skid thorns are arranged on the bottom surface of the anti-skid base, and the four corners of the bottom surface of the anti-skid base are respectively provided with retractable casters.

In the loess soil sample sampling device for road engineering, a sampling door is arranged at the large inner diameter section of the shell.

In the loess soil sample sampling device for road engineering, the sampling tool bit is connected with the force application worm through a bolt.

In the loess soil sample sampling device for road engineering, the pushing handle is arranged at the top end of the pushing rod, and the anti-slip layer is arranged on the pushing handle.

The loess soil sample sampling device for road engineering has the following beneficial effects:

1. the device adopts the detachable sampling tool bit, is convenient for sampling work and is convenient for taking out and conveying soil samples; the device structure is portable conveniently and carries, and when the tool bit damages, only replace the tool bit can, avoid the wasting of resources.

2. The cutter tooth structure is arranged on the cutter head, and the working mode of sampling rotation and sampling plays a role in cutting soil, so that the device is applicable to various severe soil conditions; the inside spiral texture that sets up of sample room increases and the frictional force of loess and inner wall prevents to drop in the sample process.

3. The multifunctional movable casters are arranged around the device, so that a worker can operate the device conveniently, and the soil sample sampling progress can be accelerated.

4. The anti-skid base of the device is provided with the anti-skid thorns below and the anti-skid foot pads above, so that the anti-skid base is convenient for workers to operate, and meanwhile, the sampling structure is vertical and can be fixed at the same position for sampling, thereby being beneficial to the subsequent soil sample analysis work.

Drawings

FIG. 1 is a schematic view of a loess soil sample sampling device for road engineering according to the present utility model;

FIG. 2 is a cross-sectional view of a sampling structure;

the anti-skid device comprises a 1-anti-skid base, 11-through holes, 12-anti-skid foot pads, 13-casters, 14-anti-skid thorns, 2-sampling structures, 3-push rods, 21-shells, 22-motors, 23-force application screws, 24-internal threads, 25-sampling chambers, 26-cutter teeth, 27-sampling doors, 31-push hands and 32-anti-skid layers.

Detailed Description

As shown in fig. 1 and 2, a loess soil sample sampling apparatus for road engineering according to the present utility model includes: the anti-skid base 1, a sampling structure 2 and a push rod 3. The center department of anti-skid base 1 is equipped with through-hole 11, sampling structure 2 establishes on anti-skid base 1 and the closing cap is in through-hole 11 top. The push rod 3 is fixedly connected with the anti-skid base 1.

The sampling structure 2 comprises: the casing 21 and motor 22, worm wheel, application worm 23 and sampling tool bit that set up in the casing. The shell 21 is of a cylindrical structure with an opening at the bottom, the shell 21 is composed of a small inner diameter section positioned at the upper part and a large inner diameter section positioned at the lower part, and the inner wall of the small inner diameter section is provided with an internal thread 24. One end of the force application worm 23 is in threaded connection with the thread 24 of the small inner diameter section, and the other end of the force application worm is connected with the sampling tool bit. The motor 22 is fixed on the large inner diameter section, the motor output shaft is connected with a worm wheel, and the worm wheel is in threaded connection with the force application worm 23. The motor 22 can drive the force application worm 23 to rotate and move up and down at the same time, so that the sampling tool bit penetrates through the through hole 11 in the center of the anti-skid base 1 to drill into soil for sampling.

The sampling tool bit includes sampling room 25 and cutter tooth 26, sampling room 25 is inside hollow inversion round platform structure, and application of force worm 23 is connected at sampling room 25 top, and the equidistant circumference in sampling room 25 bottom sets up a plurality of cutter teeth 26 and plays the effect of cutting soil, and bottom center is equipped with the opening, along with the sampling tool bit drills into in the soil layer, soil can get into in the sampling room 25 from the bottom. The inside screw texture 27 that is equipped with of sample room can increase with the frictional force between the soil, avoids soil to drop in the sampling process.

The top surface of the anti-skid base 1 is paved with an anti-skid foot pad 12, the bottom surface is provided with anti-skid thorns 14, and four corners of the bottom surface of the anti-skid base 1 are respectively provided with retractable casters 13. The large inner diameter section of the housing 21 is provided with a sampling gate 28. The sampling tool bit is connected with the force application worm 23 through a bolt. The top end of the push rod 3 is provided with a push handle 31, and the push handle 31 is provided with an anti-slip layer 32.

The bottom of the anti-skid base 1 of the sampling device is provided with the truckles 13, so that workers can conveniently move the operating device, and the soil sample sampling progress can be accelerated. Before sampling, the caster wheel 13 is retracted to the side surface of the anti-slip base 1, and an operator can go above the anti-slip base 2 to enable the anti-slip thorn 14 to penetrate into soil, so that stability in the sampling process is ensured. The sampling tool bit adopts detachable connected mode, and anti-skidding callus on sole 12 can protect the staff to trade sampling tool bit or collect the unexpected when working of soil sample on anti-skidding base 2.

The sampling device has the advantages of simple integral structure, convenient use and no pollution. Greatly reduced operating personnel's work load, be favorable to the soil sample analysis work after the sample, improved loess soil sample reconnaissance sample work's work efficiency simultaneously.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the scope of the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made without departing from the spirit and principles of the utility model.

Claims

1. Loess soil sample sampling device for road engineering, its characterized in that includes: the device comprises an anti-skid base, a sampling structure and a push rod; a through hole is formed in the center of the anti-skid base, and the sampling structure is arranged on the anti-skid base and is covered above the through hole; the push rod is fixedly connected with the anti-skid base; the sampling structure comprises: the shell, and the motor, the worm wheel, the force application worm and the sampling tool bit which are arranged in the shell; the shell is of a cylindrical structure with an opening at the bottom, and consists of a small inner diameter section positioned at the upper part and a large inner diameter section positioned at the lower part, and the inner wall of the small inner diameter section is provided with an internal thread; one end of the force application worm is in threaded fit connection with the screw thread of the small inner diameter section, the other end of the force application worm is connected with the sampling tool bit, the motor is fixed on the large inner diameter section, the motor output shaft is connected with a worm wheel, and the worm wheel is in threaded connection with the force application worm; the sampling tool bit comprises a sampling chamber and cutter teeth, the sampling chamber is of an inverted circular truncated cone structure with a hollow inside, the top of the sampling chamber is connected with a force application worm, a plurality of cutter teeth are arranged on the equidistant circumference of the bottom of the sampling chamber, an opening is formed in the center of the bottom of the sampling chamber, and thread textures are arranged inside the sampling chamber.

2. The loess soil sample sampling device for road engineering as set forth in claim 1, wherein the anti-slip foot pad is laid on the top surface of the anti-slip base, the anti-slip thorns are provided on the bottom surface, and retractable casters are respectively provided at four corners of the bottom surface of the anti-slip base.

3. The loess soil sample sampling device as set forth in claim 1, wherein a large inner diameter section of said housing is provided with a sampling gate.

4. The loess soil sample sampling device for road engineering as set forth in claim 1, wherein said sampling cutter head is connected with a force applying worm by means of a bolt.

5. The loess soil sample sampling device for road engineering as set forth in claim 1, wherein a pushing handle is provided at the top end of the pushing rod, and an anti-slip layer is provided on the pushing handle.