Sample crushing device for soil detection

Abstract

The utility model discloses a sample crushing device for soil detection, which belongs to the technical field of soil detection, and comprises a shell, a limiting plate, a support rod I and a motor are fixedly connected in the shell, one end of the support rod I is fixedly connected with a shell, the bottom in the shell is fixedly connected with a screen, and the output end of the motor is fixedly connected with a connecting rod I; a first bevel gear is fixedly connected to the outer wall of the first connecting rod, a second bevel gear is connected to the outer wall of the first bevel gear in a meshed mode, and a second supporting rod is slidably connected to the middle of the second bevel gear. The third rotating disc pushes the second supporting rod to move up and down, the rolling block and the stirring rod move up and down in the rotating process, the third supporting rod rotates to drive the stirring rod to rotate, the stirring rod stirs large soil samples when rotating, and the situation that the soil samples are blocked and affect the crushing effect is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of soil detection, in particular to a sample crushing device for soil detection. Background Art

[0002] The soil sample testing crushing device is specially designed for laboratory analysis, aiming to crush soil samples to a size suitable for analysis. This device combines modern technology and equipment to achieve efficient and accurate soil sample crushing. These components crush soil samples through mechanical force. The use of advanced crushing technology and structural design makes the device have a high crushing efficiency and can quickly complete the crushing of a large number of soil samples. And through the precise control system and screening mechanism, it can ensure that the particle size of the crushed soil samples is uniform, meet the requirements of laboratory analysis, and improve the accuracy of the analysis results;

[0003] After searching, the utility model with the announcement number CN219798924U discloses a sample crushing device for soil testing. Although this utility model patent solves the problem that the crushing roller may get stuck when encountering large particles of impurities with high hardness and difficult to crush, causing equipment shutdown accidents and causing the drive motor to be damaged due to overload;

[0004] However, the utility model lacks a screening function. During the soil sample crushing process, the staff cannot determine the crushing progress and cannot accurately judge whether the crushing is in place, thereby affecting the soil crushing effect and crushing efficiency. Moreover, when the soil sample is large, the utility model cannot stir the large soil sample, which easily causes the soil sample to get stuck during the crushing process, affecting the crushing of the sample. Therefore, a sample crushing device for soil testing is proposed. Summary of the invention

[0005] The purpose of the utility model is to provide a sample crushing device for soil detection to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sample crushing device for soil testing, comprising a shell, a limit plate, a support rod 1 and a motor are fixedly connected in the shell, one end of the support rod 1 is fixedly connected to the shell, a screen is fixedly connected to the bottom of the shell, a connecting rod 1 is fixedly connected to the output end of the motor, a bevel gear 1 is fixedly connected to the outer wall of the connecting rod 1, a bevel gear 2 is meshingly connected to the outer wall of the bevel gear 1, a support rod 2 is slidably connected in the middle of the bevel gear 2, a support rod 3 is fixedly connected to the upper surface of the support rod 2, the support rod 3 is rotatably and slidably connected to the screen, a rolling block and a stirring rod are fixedly connected to the outer wall of the support rod 3, and the rolling block is eccentrically connected to the support rod 3.

[0007] As a further preferred embodiment of the technical solution: the outer wall of connecting rod 1 is fixedly connected to turntable 1, the inner wall of the outer shell is rotatably connected to connecting rod 2, the outer wall of connecting rod 2 is fixedly connected to turntable 2, belts are installed on the outer walls of turntable 2 and turntable 1, the end of connecting rod 2 away from turntable 2 is fixedly connected to turntable 3, and turntable 3 is eccentrically connected to connecting rod 2.

[0008] As a further preferred embodiment of the technical solution: the three outer walls of the support rod are fixedly connected with an extrusion rod, the extrusion rod is located between the screen and the rolling block, and the extrusion rod is used to assist in extruding relatively fine soil samples out of the screen.

[0009] As a further preferred embodiment of the technical solution: a discharge port is provided on an outer wall of one side of the shell, and the limiting plate passes through the discharge port.

[0010] As a further preferred embodiment of the present technical solution: an upper cover is hingedly connected to the top of the shell by a hinge, and a handle is fixedly connected to the upper surface of the upper cover, and the handle is convenient for the experimenter to open the upper cover. The upper cover can cover the shell to prevent relatively fine samples from flying out of the shell and causing environmental pollution. At the same time, the experimenter inhales more soil and affects their health.

[0011] As a further preferred embodiment of the technical solution, there are multiple stirring rods, and the multiple stirring rods are staggered up and down. The multiple staggered stirring rods can stir larger soil samples to prevent the larger soil samples from getting stuck.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, a large piece of soil sample is placed in the shell, and the motor is started. The motor drives the connecting rod 1, the bevel gear 1, and the bevel gear 2 to rotate, and then the supporting rod 2, the supporting rod 3, and the rolling block rotate, so that the soil sample is crushed, and the crushed sample that meets the standard passes through the screen and slides out of the shell along the limit plate;

[0014] In the utility model, the rotation of the connecting rod one causes the turntable two and the connecting rod two to rotate, the rotation of the connecting rod two drives the turntable three to rotate, the turntable three pushes the supporting rod two to move up and down, the rolling block and the stirring rod move up and down during the rotation, the rotation of the supporting rod three drives the stirring rod to rotate, and the large soil sample is stirred when the stirring rod rotates, so as to prevent the soil sample from getting stuck and affecting the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a sample crushing device for soil testing according to the utility model;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of a sample crushing device for soil testing according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a sample crushing device for soil testing according to the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the internal structure of a sample crushing device for soil testing.

[0019] In the figure: 1. outer shell; 2. limit plate; 3. support rod 1; 4. motor; 5. shell; 6. connecting rod 1; 7. bevel gear 1; 8. bevel gear 2; 9. support rod 2; 10. support rod 3; 11. rolling block; 12. stirring rod; 13. turntable 1; 14. connecting rod 2; 15. turntable 2; 16. belt; 17. turntable 3; 18. extrusion rod; 19. discharge port; 20. upper cover; 21. handle; 22. screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Example

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a sample crushing device for soil detection: comprising a shell 1, a limit plate 2, a support rod 3 and a motor 4 are fixedly connected in the shell 1, one end of the support rod 3 is fixedly connected to a shell 5, a screen 22 is fixedly connected to the bottom of the shell 5, a connecting rod 6 is fixedly connected to the output end of the motor 4, a bevel gear 7 is fixedly connected to the outer wall of the connecting rod 6, a bevel gear 8 is meshedly connected to the outer wall of the bevel gear 7, a support rod 2 9 is slidably connected to the middle of the bevel gear 28, a support rod 3 10 is fixedly connected to the upper surface of the support rod 29, the support rod 3 10 is rotatably and slidably connected to the screen 22, a rolling block 11 and a stirring rod 12 are fixedly connected to the outer wall of the support rod 3 10, and the rolling block 11 is eccentrically connected to the support rod 3 10.

[0022] In this embodiment, specifically: the outer wall of the connecting rod 1 6 is fixedly connected to the turntable 1 13, the inner wall of the outer shell 1 is rotatably connected to the connecting rod 2 14, the outer wall of the connecting rod 2 14 is fixedly connected to the turntable 2 15, the turntable 2 15 and the outer walls of the turntable 1 13 are installed with a belt 16, the end of the connecting rod 2 14 away from the turntable 2 15 is fixedly connected to the turntable 3 17, the turntable 3 17 is eccentrically connected to the connecting rod 2 14, the outer wall of the support rod 3 10 is fixedly connected to the extrusion rod 18, the extrusion rod 18 is located between the screen 22 and the rolling block 11, and the extrusion rod 18 is used to assist in squeezing the relatively fine soil sample out of the screen 22.

[0023] In this embodiment, specifically: a discharge port 19 is provided on the outer wall of one side of the shell 1, a limit plate 2 passes through the discharge port 19, an upper cover 20 is hinged on the top of the shell 1 through a hinge, a handle 21 is fixedly connected to the upper surface of the upper cover 20, the handle 21 is convenient for the experimenter to open the upper cover 20, the upper cover 20 can cover the shell 1, and prevent relatively fine samples from flying out of the shell 1, causing environmental pollution, and the experimenter inhaling more soil affecting their health, the number of stirring rods 12 is multiple, and the multiple stirring rods 12 are staggered up and down, and the multiple staggered stirring rods 12 can stir larger soil samples to prevent larger soil samples from getting stuck.

[0024] Working principle: The experimenter opens the upper cover 20 through the handle 21, puts a large piece of soil sample into the shell 5, and starts the motor 4. The motor 4 drives the connecting rod 1 6 and the bevel gear 1 7 to rotate. The rotation of the bevel gear 1 7 drives the bevel gear 2 8 to rotate. The rotation of the bevel gear 2 8 drives the support rod 2 9 and the support rod 3 10 to rotate. The rotation of the support rod 3 10 drives the rolling block 11 to rotate. Since the rolling block 11 is eccentrically connected to the support rod 3 10, the soil sample is crushed. The crushed sample passes through the screen 22 and slides out of the shell 1 along the limit plate 2. The support rod 3 10 The rotation drives the stirring rod 12 to rotate. When the stirring rod 12 rotates, the large soil sample is stirred to prevent the soil sample from getting stuck and affecting the crushing effect. During the rotation of the connecting rod 1 6, the turntable 2 15 and the connecting rod 2 14 are rotated through the cooperation of the belt 16. The rotation of the connecting rod 2 14 drives the turntable 3 17 to rotate. During the rotation of the turntable 3 17, since the turntable 3 17 and the connecting rod 2 14 are eccentrically connected, the turntable 3 17 pushes the support rod 2 9 to move up and down, and the crushing block 11 and the stirring rod 12 move up and down during the rotation, and the crushing effect is better.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample crushing device for soil testing, characterized in that: The invention comprises a shell (1), wherein a limit plate (2), a support rod 1 (3) and a motor (4) are fixedly connected inside the shell (1), one end of the support rod 1 (3) is fixedly connected to a shell (5), a screen (22) is fixedly connected to the bottom of the shell (5), a connecting rod 1 (6) is fixedly connected to the output end of the motor (4), an outer wall of the connecting rod 1 (6) is fixedly connected to a bevel gear 1 (7), an outer wall of the bevel gear 1 (7) is meshingly connected to a bevel gear 2 (8), a support rod 2 (9) is slidably connected in the middle of the bevel gear 2 (8), a support rod 3 (10) is fixedly connected to the upper surface of the support rod 2 (9), the support rod 3 (10) is rotatably and slidably connected to the screen (22), a rolling block (11) and a stirring rod (12) are fixedly connected to the outer wall of the support rod 3 (10), and the rolling block (11) is eccentrically connected to the support rod 3 (10).

2. A sample crushing device for soil testing according to claim 1, characterized in that: The outer wall of the connecting rod 1 (6) is fixedly connected to a turntable 1 (13); the inner wall of the outer shell (1) is rotatably connected to a connecting rod 2 (14); the outer wall of the connecting rod 2 (14) is fixedly connected to a turntable 2 (15); a belt (16) is installed on the outer wall of the turntable 2 (15) and the turntable 1 (13); an end of the connecting rod 2 (14) away from the turntable 2 (15) is fixedly connected to a turntable 3 (17); and the turntable 3 (17) is eccentrically connected to the connecting rod 2 (14).

3. A sample crushing device for soil testing according to claim 1, characterized in that: The outer wall of the support rod three (10) is fixedly connected with an extrusion rod (18), and the extrusion rod (18) is located between the screen (22) and the rolling block (11).

4. A sample crushing device for soil testing according to claim 1, characterized in that: A discharge port (19) is provided on an outer wall of one side of the housing (1), and the limiting plate (2) passes through the discharge port (19).

5. A sample crushing device for soil testing according to claim 1, characterized in that: An upper cover (20) is hingedly connected to the top of the housing (1) via a hinge, and a handle (21) is fixedly connected to the upper surface of the upper cover (20).

6. A sample crushing device for soil testing according to claim 1, characterized in that: The number of the stirring rods (12) is plural, and the plurality of stirring rods (12) are arranged in an up-and-down staggered manner.

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