Soil plough layer sampling device

Abstract

The utility model provides a soil plowing layer sampling device, which relates to the technical field of soil sampling and comprises a base, a rotating shaft rotatably mounted at the bottom of the base, a threaded line arranged at the lower end of the rotating shaft, a sleeve arranged at the lower end of the rotating shaft, a cavity arranged in the sleeve, inserted into the sleeve and in threaded connection with the sleeve. A plurality of evenly-distributed drilling teeth are fixedly installed at the bottom of the sleeve, one side of the sleeve is open, the sleeve is communicated with the outside through the open side, a sealing plate is arranged on the open side of the sleeve and can block the open side of the sleeve, a motor is fixedly installed at the top of the machine base, and an output shaft of the motor penetrates through the machine base and is fixedly connected with the rotating shaft. In the drilling process, soil enters the casing pipe from the lower end opening of the casing pipe, the casing pipe is pulled out after sampling is completed, the sealing plate is taken out, a sample in the casing pipe is exposed, the sample can be taken out rapidly, the overall working efficiency of soil testing is improved, and the operation complexity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of soil sampling, in particular to a soil tillage layer sampling device. Background Art

[0002] The soil tillage layer sampling device, as a tool for obtaining soil tillage layer samples, is of great significance in the fields of soil research, agricultural production and environmental monitoring. The working principle of the soil tillage layer sampling device is mainly to take soil samples from the tillage layer through the rotation and advancement of the drill bit.

[0003] For example, the existing publication number is CN213121199U, which is a farmland soil tillage layer sampling device, which specifically discloses that screws are installed on both sides of the interior of the protective shell, and the lower end of the screw is rotatably connected to the protective shell through a bearing, a fixed disk is arranged between the screws, a rotating seat is installed inside the fixed disk, and the rotating seat is rotatably connected to the fixed disk, a sampling cylinder is installed at the lower end of the rotating seat, the upper end of the sampling cylinder extends to the interior of the rotating seat, and the sampling cylinder is connected to the rotating seat by a thread, a mounting cylinder is installed at the lower end of the sampling cylinder, a sampling head is installed at the lower end of the mounting cylinder, the mounting cylinder is provided with a sliding cavity, and the upper end of the sampling head extends to the interior of the sliding cavity, and a through hole is provided at the middle position of the lower end of the protective shell.

[0004] The samples in the soil tillage layer sampling device cannot be discharged quickly. Since it is difficult to quickly remove samples from the soil tillage layer sampling device, the operation difficulty and complexity of the operator will increase. If the sampling device is not operated smoothly, the sampling time will be increased and the overall work efficiency of soil testing will be reduced. For this reason, we propose a soil tillage layer sampling device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a soil tillage layer sampling device, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a soil tillage layer sampling device, including a machine base, a rotating shaft is rotatably installed at the bottom of the machine base, a thread line is arranged at the lower end of the rotating shaft, a sleeve is arranged at the lower end of the rotating shaft, a cavity is arranged inside the sleeve, the lower end of the rotating shaft is inserted into the sleeve, the lower end of the rotating shaft is threadedly connected to the sleeve, a plurality of evenly distributed drilling teeth are fixedly installed at the bottom of the sleeve, an opening is arranged on one side of the sleeve, the sleeve is connected with the outside through the opening side, a sealing plate is arranged at the opening side of the sleeve, the sealing plate can block the opening side of the sleeve, the The sealing plate and the sleeve are interference fit, and two groups of symmetrically distributed limiting mechanisms are arranged on the sealing plate, and the limiting mechanism includes a connecting block, and the connecting block is fixedly connected to the sealing plate; a top block is arranged above the connecting block, and the top block is fixedly connected to the sleeve; a limiting rod passes through the top block, and the limiting rod is inserted into the connecting block; a disc is fixedly installed on the upper end of the limiting rod, and a spring is sleeved on the limiting rod, and two ends of the spring are respectively fixedly connected to the disc and the top block; a motor is fixedly installed on the top of the base, and the output shaft of the motor passes through the base and is fixedly connected to the rotating shaft.

[0007] As a further technical solution of the utility model, the outer surface of the casing and the surface of the drilling teeth are provided with a hardened coating.

[0008] As a further technical solution of the utility model, handles are fixedly installed on both sides of the base.

[0009] As a further technical solution of the utility model, an inner rod is arranged in the sleeve, the upper end of the inner rod is fixedly connected to the bottom of the rotating shaft, and a plurality of storage mechanisms distributed in a circular array are arranged on the inner rod.

[0010] As a further technical solution of the utility model, the storage mechanism includes an inner cavity, the inner cavity is opened on the inner rod, both ends of the inner cavity are open, and movable blocks are arranged at both open ends of the inner cavity, and the movable blocks can slide along the inner cavity.

[0011] As a further technical solution of the utility model, an inner shaft is rotatably installed in the inner cavity, a push rod is fixedly installed on the inner shaft, both ends of the push rod are in contact with the movable blocks on both sides, a driven wheel is fixedly installed on the inner shaft, a servo motor is fixedly installed in the inner cavity, a driving wheel is fixedly installed on the output shaft end of the servo motor, and the driving wheel is meshed with the driven wheel.

[0012] The utility model provides a soil tillage layer sampling device, which has the following beneficial effects compared with the prior art:

[0013] 1. This design is a soil tillage layer sampling device, which rotates the drilling teeth through the motor, and at the same time presses the machine base and provides drilling force for the drilling teeth. During the drilling process, the soil enters the casing from the lower port of the casing. After the sampling is completed, the casing is pulled out, and then the disc is pulled to drive the limit rod to move upward, so that the limit rod is separated from the connecting block, so that the sealing plate can be taken out, and the sample in the casing is exposed, and the sample can be quickly taken out, which improves the overall work efficiency of soil testing and reduces the complexity of operation.

[0014] 2. This design of a soil tillage layer sampling device stores soil samples of different depths through the inner cavity. The device allows the collection of soil samples from shallow to deep layers, providing researchers with comprehensive soil information to understand the soil conditions at different layers. Compared with the traditional single-depth sampling method, the device can collect soil samples of multiple depths in one operation, greatly improving work efficiency. It reduces the labor intensity of sampling personnel and saves time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a soil tillage layer sampling device;

[0016] Figure 2 It is a schematic diagram of a partial structure enlargement of a casing of a soil tillage layer sampling device;

[0017] Figure 3 It is an enlarged cross-sectional view of a part of the structure of a casing of a soil tillage layer sampling device;

[0018] Figure 4 The present invention is an enlarged cross-sectional schematic diagram of an inner rod of a soil tillage layer sampling device.

[0019] In the figure: base 1, rotating shaft 2, casing 3, drilling teeth 4, sealing plate 5, connecting block 6, top block 7, limit rod 8, disc 9, spring 10, motor 11, handle 12, inner rod 13, inner cavity 14, movable block 15, inner shaft 16, top rod 17, driven wheel 18, servo motor 19, driving wheel 20. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution for a soil tillage layer sampling device:

[0022] The machine base 1 comprises a rotating shaft 2 which can be rotatably mounted at the bottom of the machine base 1, a thread line is arranged at the lower end of the rotating shaft 2, a sleeve 3 is arranged at the lower end of the rotating shaft 2, a cavity is arranged inside the sleeve 3, the lower end of the rotating shaft 2 is inserted into the sleeve 3, the lower end of the rotating shaft 2 is threadedly connected with the sleeve 3, a plurality of evenly distributed drilling teeth 4 are fixedly mounted at the bottom of the sleeve 3, an opening is arranged on one side of the sleeve 3, the sleeve 3 is connected with the outside through the opening side, a sealing plate 5 is arranged at the opening side of the sleeve 3, the sealing plate 5 can block the opening side of the sleeve 3, the sealing plate 5 and the sleeve 3 are interference fit, and the sealing plate 5 is Two sets of symmetrically distributed limiting mechanisms are provided, and the limiting mechanisms include a connecting block 6, which is fixedly connected to the sealing plate 5, a top block 7 is provided above the connecting block 6, and the top block 7 is fixedly connected to the sleeve 3. A limiting rod 8 runs through the top block 7, and the limiting rod 8 is inserted into the connecting block 6. A disc 9 is fixedly installed on the upper end of the limiting rod 8, and a spring 10 is sleeved on the limiting rod 8. The two ends of the spring 10 are respectively fixedly connected to the disc 9 and the top block 7. A motor 11 is fixedly installed on the top of the machine base 1, and the output shaft of the motor 11 runs through the machine base 1 and is fixedly connected to the rotating shaft 2. The outer surface of the sleeve 3 and the surface of the drilling tooth 4 are provided with a hardened coating. Handles 12 are fixedly installed on both sides of the machine base 1.

[0023] Among them, Figure 3 and Figure 4 As shown, an inner rod 13 is arranged in the sleeve 3, and the upper end of the inner rod 13 is fixedly connected to the bottom of the rotating shaft 2. The inner rod 13 is provided with a plurality of storage mechanisms distributed in a circumferential array. The storage mechanism includes an inner cavity 14, which is opened on the inner rod 13, and the inner cavity 14 is opened at both ends. The open ends of the inner cavity 14 are provided with movable blocks 15, and the movable blocks 15 can slide along the inner cavity 14. An inner shaft 16 is rotatably installed in the inner cavity 14, and a push rod 17 is fixedly installed on the inner shaft 16. The two ends of the push rod 17 are in contact with the movable blocks 15 on both sides. A driven wheel 18 is fixedly installed on the inner shaft 16. A servo motor 19 is fixedly installed in the inner cavity 14, and a driving wheel 20 is fixedly installed on the output shaft end of the servo motor 19. The driving wheel 20 is meshed with the driven wheel 18. Soil samples of different depths are stored in the inner cavity 14. The device allows the collection of soil samples of different levels from shallow to deep, providing researchers with comprehensive soil information to understand the soil conditions at different levels. Compared with the traditional single-depth sampling method, this device can collect soil samples at multiple depths in one operation, greatly improving work efficiency, reducing the labor intensity of sampling personnel, and saving time costs.

[0024] The working principle of the utility model is as follows: the worker holds the handle 12, points the drilling tooth 4 toward the sampling location, drives the rotating shaft 2 to rotate through the motor 11, and the rotating shaft 2 drives the casing 3 and the drilling tooth 4 to rotate, and at the same time presses the machine base 1 and provides drilling force for the drilling tooth 4. During the drilling process, the soil enters the casing 3 from the lower end of the casing 3. After the sampling is completed, the casing 3 is pulled out, and then the disc 9 is pulled to drive the limit rod 8 to move upward, so that the limit rod 8 is separated from the connecting block 6, so that the sealing plate 5 can be taken out, and the sample in the casing 3 is exposed, and the sample can be quickly taken out, thereby improving the overall work efficiency of soil testing and reducing the complexity of operation.

[0025] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A soil tillage layer sampling device, characterized in that: The invention comprises a machine base (1), a rotating shaft (2) is rotatably mounted on the bottom of the machine base (1), a thread line is arranged at the lower end of the rotating shaft (2), a sleeve (3) is arranged at the lower end of the rotating shaft (2), a cavity is arranged inside the sleeve (3), the lower end of the rotating shaft (2) is inserted into the sleeve (3), the lower end of the rotating shaft (2) is threadedly connected to the sleeve (3), a plurality of evenly distributed drilling teeth (4) are fixedly mounted on the bottom of the sleeve (3), one side of the sleeve (3) is opened, the sleeve (3) is connected to the outside through the open side, a sealing plate (5) is arranged at the open side of the sleeve (3), the sealing plate (5) can block the open side of the sleeve (3), the sealing plate (5) and the sleeve (3) are interference fit, and two holes are arranged on the sealing plate (5). A symmetrically distributed limiting mechanism is provided, wherein the limiting mechanism comprises a connecting block (6), the connecting block (6) is fixedly connected to the sealing plate (5), a top block (7) is arranged above the connecting block (6), the top block (7) is fixedly connected to the sleeve (3), a limiting rod (8) passes through the top block (7), the limiting rod (8) is inserted into the connecting block (6), a disc (9) is fixedly installed on the upper end of the limiting rod (8), a spring (10) is sleeved on the limiting rod (8), and two ends of the spring (10) are respectively fixedly connected to the disc (9) and the top block (7), and a motor (11) is fixedly installed on the top of the machine base (1), and the output shaft of the motor (11) passes through the machine base (1) and is fixedly connected to the rotating shaft (2).

2. A soil tillage layer sampling device according to claim 1, characterized in that: The outer surface of the casing (3) and the surface of the drilling teeth (4) are provided with a hardened coating.

3. A soil tillage layer sampling device according to claim 2, characterized in that: Handles (12) are fixedly mounted on both sides of the machine base (1).

4. A soil tillage layer sampling device according to claim 3, characterized in that: An inner rod (13) is arranged inside the sleeve (3), the upper end of the inner rod (13) is fixedly connected to the bottom of the rotating shaft (2), and a plurality of storage mechanisms distributed in a circular array are arranged on the inner rod (13).

5. A soil tillage layer sampling device according to claim 4, characterized in that: The storage mechanism comprises an inner cavity (14), wherein the inner cavity (14) is opened on the inner rod (13), and both ends of the inner cavity (14) are open. Both open ends of the inner cavity (14) are provided with movable blocks (15), and the movable blocks (15) can slide along the inner cavity (14).

6. A soil tillage layer sampling device according to claim 5, characterized in that: An inner shaft (16) is rotatably mounted in the inner cavity (14), a push rod (17) is fixedly mounted on the inner shaft (16), two ends of the push rod (17) are in contact with the movable blocks (15) on both sides, a driven wheel (18) is fixedly mounted on the inner shaft (16), a servo motor (19) is fixedly mounted in the inner cavity (14), a driving wheel (20) is fixedly mounted on the output shaft end of the servo motor (19), and the driving wheel (20) is meshed with the driven wheel (18).

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