CN209927496U - Highway subgrade soil layer sampling device - Google Patents

Abstract

The utility model discloses a highway roadbed soil layer sampling device, comprising a shell, an opening is formed on the lower wall of the shell, and threads are installed on the walls on both sides of the opening, a pair of handles with the same structure are installed on the walls on both sides of the shell, a power switch and a push switch are installed on the lower walls of the pair of handles respectively, a power structure is installed in the shell, and a push structure is installed below the power structure. The utility model relates to the field of rock and soil sampling, and can sample and analyze soil at different depths. By pressing the power switch, the power structure drives the drill bit to drill downward, which is convenient for sampling soil at different depths. When the sampling is completed, the push switch is pressed, and the electric push rod pushes the push plate to push out the soil collected inside the drill bit, so that soil layers at different depths can be analyzed.

Description

A highway subgrade soil layer sampling device

technical field

The utility model relates to the technical field of rock and soil sampling, in particular to a soil layer sampling device for road subgrades.

Background technique

Whether the subgrade soil nutrient determination and analysis results are true and reliable, and whether the relevant issues can be scientifically explained, the focus lies in the collection and processing of subgrade soil samples. The collection of subgrade soil samples is the premise and basis of the entire analysis work. It is very important to carry out scientific soil sample collection. In the process of soil sample collection, stratified sampling should be carried out as accurately as possible.

Traditional devices have difficulties in sampling, and cannot accurately sample different soil layers, especially deep soil, and the surrounding soil layers are easily disturbed during the sampling process, and it is difficult to take the collected soil samples, which will affect the analysis results. In view of this, in view of the above problems In-depth research led to this case.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a soil layer sampling device for highway subgrades.

In order to achieve the above purpose, the present utility model is achieved through the following technical solutions: a highway roadbed soil layer sampling device, comprising a casing, an opening is provided on the lower wall surface of the casing, and threads are installed on both side walls at the opening, and the A pair of handles with the same structure are installed on both side walls of the casing, a power switch and a push switch are respectively installed on the lower walls of the pair of handles, a power structure is installed in the casing, and a push structure is installed under the power structure;

The power structure includes: a bearing plate, a fixed seat, a servo motor, a telescopic rod and a threaded rod;

The two ends of the carrying plate are respectively arranged on the two side walls of the housing, the fixing seat is arranged on the lower wall surface of the bearing plate, the servo motor is arranged on the lower wall surface of the fixing seat, the telescopic rod is arranged on the driving end of the servo motor, the The threaded rod is arranged on the telescopic rod and is threadedly connected with the two side walls of the opening of the casing.

Preferably, the pushing structure includes: a connecting seat, a drill bit, an electric push rod and a push plate;

A section of the connecting seat is placed on the lower wall of the threaded rod, the drill bit is placed on the other end of the connecting seat, and the lower wall is provided with a through hole, the electric push rod is placed on the inner upper wall of the drill bit, and the push plate is placed on the electric pusher. Rod drive end.

Preferably, the drill bit has a conical structure, and the inner wall of the drill bit has a rectangular structure.

Preferably, a gasket is installed in the servo motor.

Preferably, a pair of said handles is covered with a non-slip rubber sleeve.

Preferably, the servo motor and the telescopic rod are connected by a pin shaft.

beneficial effect

Compared with the prior art, the beneficial effects of the utility model are as follows: the device has a reasonable structure, low cost, convenient use, can sample and analyze soils of different depths, and by pressing the power switch, the power structure drives the drill bit to drill down. , it is convenient to sample soils of different depths. When the sampling is completed, press the push switch, and the electric push rod pushes the push plate to push out the soil collected inside the drill bit, so that the soil layers of different depths can be analyzed.

Description of drawings

FIG. 1 is a schematic view of the front sectional structure of the utility model.

FIG. 2 is a schematic view of a side cross-sectional structure of the pushing structure of the present invention.

FIG. 3 is a schematic side view of the structure of the utility model.

In the figure: 1. Shell; 2. Handle; 3. Power switch; 4. Push switch; 5. Loading plate; 6. Fixed seat; 7. Servo motor; 8. Telescopic rod; 9. Threaded rod; 10. Connection seat; 11, drill; 12, electric push rod; 13, push plate; 14, non-slip rubber sleeve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a road subgrade soil layer sampling device, comprising a casing 1, the lower wall of the casing 1 is provided with an opening, and the two side walls of the opening are installed with threads , a pair of handles 2 with the same structure are installed on both side walls of the casing 1, a power switch 3 and a push switch 4 are respectively installed on the lower walls of the pair of handles 2, and a power structure is installed in the casing 1. A push structure is installed below the power structure; the power structure includes: a bearing plate 5, a fixed seat 6, a servo motor 7, a telescopic rod 8 and a threaded rod 9; On the side wall surface, the fixing seat 6 is placed on the lower wall surface of the bearing plate 5, the servo motor 7 is placed on the lower wall surface of the fixing seat 6, the telescopic rod 8 is placed on the drive end of the servo motor 7, and the threaded rod 9 is placed on the telescopic On the rod 8, and is threadedly connected with the two side walls of the opening of the casing 1, the pushing structure includes: a connecting seat 10, a drill bit 11, an electric push rod 12 and a push plate 13; a section of the connecting seat 10 is arranged on the threaded rod 9. On the lower wall surface, the drill bit 11 is placed on the other end of the connecting seat 10, and the lower wall surface is provided with a through hole, the electric push rod 12 is placed on the inner upper wall surface of the drill bit 11, and the push plate 13 is placed on the electric push rod 12 to drive At the end, the drill bit 11 is a conical structure, the inner wall of the drill bit 11 is a rectangular structure, a gasket is installed in the servo motor 7, a pair of the handles 2 is covered with a non-slip rubber sleeve 14, and the servo motor 7 And the telescopic rods 8 are connected by pins.

As a preferred, further push structure, including: a connecting seat 10, a drill bit 11, an electric push rod 12 and a push plate 13;

A section of the connecting seat 10 is placed on the lower wall surface of the threaded rod 9, the drill bit 11 is placed on the other end of the connecting seat 10, and the lower wall surface is provided with a through hole, the electric push rod 12 is placed on the inner upper wall surface of the drill bit 11, and the push plate 13 is placed on the electric push rod. 12 drive end.

Preferably, further, the drill bit 11 is a conical structure, and the inner wall of the drill bit 11 is a rectangular structure: the conical structure and the rectangular structure are convenient for collecting soil.

Preferably, further, a gasket is installed in the servo motor 7: the gasket is used to prevent the servo motor 7 from being damaged due to excessive vibration.

Preferably, further, a pair of handles 2 is covered with a non-slip rubber cover 14 : the rubber cover for visiting China is used to increase the friction force of the handles 2 .

Preferably, further, the servo motor 7 and the telescopic rod 8 are connected by pins.

The following are the types and functions of the electrical components used in this case:

Servo motor: 110AEA12020-SH3 servo motor is used, which is controlled by an external operating system, which can accurately drive the telescopic rod to rotate.

Electric push rod: The electric push rod of the TE02 model is used, which is controlled by the external operating system and can control the pushing length of the push plate.

All the electrical components in this case are connected with the power supply to which they are adapted through wires by those skilled in the art, and an appropriate controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principles Among them, the electrical connection between the electrical components is completed in sequence, and the detailed connection means are known in the art. The following mainly introduces the working principle and process, and does not describe the electrical control.

Example: According to the accompanying drawings 1-3, the user manually turns on the switch, holds the handle 2 with both hands, and presses the power switch 3. After the motor driver receives the signal, it controls the servo motor placed inside the casing 1. 7 rotates, the drive end of the servo motor 7 drives the telescopic rod 8 to rotate, and the threaded rod 9 on the telescopic rod 8 also rotates. Since the opening of the lower wall of the casing 1 is provided with a thread, the threaded rod 9 is threadedly connected to the opening of the casing 1. , when the threaded rod 9 rotates and the casing 1 is fixed, the threaded rod 9 rotates and extends out of the casing 1, and the drill bit 11 is driven by the threaded rod 9 to rotate and extend into the subgrade soil layer, and the servo motor 7 is controlled to continue to rotate until When reaching the depth that the user needs to sample and analyze, the bottom wall of the drill bit 11 is provided with a through hole, and the soil will enter the inside of the drill bit 11 with the rotation of the drill bit 11. When the soil inside the drill bit 11 is fully collected, pull it out, press and push Switch 4, so that the electric push rod 12 controls the push plate 13 to push out the soil. Since the drill bit 11 is a conical structure, when drilling down, the soil will be pressed to both sides, thereby preventing the soil from flowing back into the drilled hole. , and then put it into the previously drilled hole, and continue to rotate to collect and sample soils at different depths.

Claims (6)

1. A highway roadbed soil layer sampling device, comprising a casing (1), characterized in that, an opening is provided on the lower wall surface of the casing (1), and threads are installed on both side walls of the opening, and the casing (1) 1) A pair of handles (2) with the same structure are installed on the two side walls, a power switch (3) and a push switch (4) are respectively installed on the lower walls of the pair of handles (2), and the casing (1) is installed inside There is a power structure, and a push structure is installed under the power structure; The power structure includes: a bearing plate (5), a fixing seat (6), a servo motor (7), a telescopic rod (8) and a threaded rod (9); The two ends of the carrier plate (5) are respectively arranged on the inner two side walls of the housing (1), the fixing seat (6) is arranged on the lower wall surface of the bearing plate (5), and the servo motor (7) is arranged on the fixing seat (6) On the lower wall surface, the telescopic rod (8) is placed on the drive end of the servo motor (7), the threaded rod (9) is placed on the telescopic rod (8), and is connected to both sides of the opening of the casing (1). Wall threaded connection. 2. A highway subgrade soil layer sampling device according to claim 1, wherein the pushing structure comprises: a connecting seat (10), a drill bit (11), an electric push rod (12) and a push plate (10). 13); A section of the connecting seat (10) is arranged on the lower wall surface of the threaded rod (9), the drill bit (11) is arranged on the other end of the connecting seat (10), and a through hole is opened on the lower wall surface, and the electric push rod (12) It is arranged on the inner upper wall surface of the drill bit (11), and the push plate (13) is arranged at the driving end of the electric push rod (12). 3 . The soil layer sampling device for highway subgrade according to claim 2 , wherein the drill bit ( 11 ) has a conical structure, and the inner wall of the drill bit ( 11 ) has a rectangular structure. 4 . 4 . The soil layer sampling device for highway subgrade according to claim 1 , wherein a gasket is installed in the servo motor ( 7 ). 5 . 5 . The soil layer sampling device for highway subgrade according to claim 1 , wherein a pair of said handles ( 2 ) is covered with a non-slip rubber sleeve ( 14 ). 6 . 6 . The soil layer sampling device for highway subgrade according to claim 1 , wherein the servo motor ( 7 ) and the telescopic rod ( 8 ) are connected by a pin shaft. 7 .

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