Sampling device for detecting compaction degree of soil sample

Abstract

The utility model relates to the technical field of civil engineering, in particular to a soil sample compactness detecting and sampling device which comprises a sampling barrel and a lifting rod, a transmission barrel is mounted at the top of the sampling barrel, an inner cavity part is arranged on the inner side of the transmission barrel, a lifting plate is arranged at the top of the transmission barrel, and the lifting rod is arranged on the lifting plate. A telescopic liquid rod is vertically arranged in the lifting plate and the inner cavity part, a built-in positioning plate is mounted at the bottom of the telescopic liquid rod, a metal cutting knife is arranged at the bottom of the sampling barrel, a lifting rod is arranged on one side of the top of the lifting plate, and an adjusting plate sleeves the outer wall of the sampling barrel. A connecting plate is arranged at the joint of the top of the adjusting plate and the top of the lifting rod; the utility model solves the problems that the sampling efficiency is low, the sample representativeness is poor, the operation is complicated, the secondary disturbance to the soil is easily caused and the like because the traditional sampling method for detecting the compaction degree of the soil sample mostly adopts manual excavation or simple mechanical sampling in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, in particular to a soil sample compaction degree detection sampling device. Background Art

[0002] In the fields of civil engineering, road construction, water conservancy projects, etc., soil compaction is one of the important indicators to measure construction quality.

[0003] Traditional soil compaction testing sampling methods mostly use manual excavation or simple mechanical sampling, which has problems such as low sampling efficiency, poor sample representativeness, complex operation and easy to cause secondary disturbance to the soil.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a soil sample compaction detection sampling device is proposed, in order to achieve a more practical purpose. Utility Model Content

[0005] The utility model aims to provide a soil sample compaction detection sampling device 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 soil sample compaction detection sampling device, comprising a sampling cylinder and a lifting rod, a transmission cylinder is installed on the top of the sampling cylinder, and an inner cavity is arranged on the inner side of the transmission cylinder, a lifting plate is arranged on the top of the transmission cylinder, and a telescopic liquid rod is vertically arranged inside the lifting plate and the inner cavity, a built-in positioning plate is installed on the bottom of the telescopic liquid rod, a metal cutting knife is arranged on the bottom of the sampling cylinder, a lifting rod is arranged on one side of the top of the lifting plate, an adjusting plate is sleeved on the outer wall of the sampling cylinder, and a connecting plate is arranged at the connection between the top of the adjusting plate and the top of the lifting rod;

[0007] An auxiliary gear is embedded on the outer side of the transmission cylinder, and a transmission gear is meshed on the horizontal outer side of the auxiliary gear, and a transmission rod is installed in the middle of the transmission gear. The transmission rod passes through the top shaft of the lifting plate and is equipped with an external motor.

[0008] Furthermore, a top plate is provided on one side of the top of the lifting plate.

[0009] Furthermore, the lifting rod forms a lifting structure through the connection plate and the adjustment plate, and the adjustment plate and the outer wall of the sampling cylinder are embedded with each other.

[0010] Furthermore, a rotational connection is formed between the sampling cylinder and the lifting plate.

[0011] Furthermore, the transmission gear drives the auxiliary gear to rotate through the external motor and the transmission rod.

[0012] Furthermore, the diameters of the sampling cylinder and the built-in positioning plate match each other.

[0013] The utility model provides a soil sample compaction detection sampling device, which has the following beneficial effects:

[0014] 1. The utility model has a sampling cylinder made of high-strength alloy material, with a smooth interior to reduce friction and disturbance to the soil sample during sampling. A sharp alloy cutter is provided at the bottom of the sampling cylinder to easily cut into the soil.

[0015] 2. The driving mechanism of the utility model includes a motor, a reducer and a transmission device. The external motor drives the transmission device to drive the sampling cylinder to rotate and press vertically downward, so as to realize rapid sampling of soil samples;

[0016] The meshing transmission between gears is utilized to make the auxiliary gear on the sampling cylinder body driven by the transmission gear to rotate.

[0017] 3. The utility model has a depth adjustment device: it is arranged inside and outside the sampling cylinder. The depth of the sampling cylinder entering the soil can be accurately controlled by the adjustment device to ensure the consistency of each sampling;

[0018] By raising and lowering the outer adjustment plate and the internal built-in positioning plate, the sampling space of the sampling cylinder can be adjusted and controlled to determine the sampling depth each time and ensure the accuracy of the detection sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The disclosure of the present invention will become easier to understand with reference to the accompanying drawings. It is easy for those skilled in the art to understand that these drawings are only used to illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention. In the drawings:

[0020] Figure 1 This is a schematic diagram of the internal structure of a soil sample compaction detection sampling device of the utility model;

[0021] Figure 2 It is a partially enlarged structural schematic diagram of a transmission gear of a soil sample compaction detection sampling device of the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of an adjustment plate of a soil sample compaction detection sampling device.

[0023] In the figure: 1. sampling cylinder; 101. transmission cylinder; 102. inner cavity; 2. lifting plate; 3. lifting rod; 301. connecting plate; 302. adjustment plate; 4. built-in positioning plate; 5. metal cutting knife; 6. transmission gear; 601. transmission rod; 602. external motor; 603. auxiliary gear; 7. top plate; 8. telescopic liquid rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution: a soil sample compaction detection sampling device, comprising a sampling cylinder 1 and a lifting rod 3, a transmission cylinder 101 is installed on the top of the sampling cylinder 1, and an inner cavity 102 is arranged on the inner side of the transmission cylinder 101, a lifting plate 2 is arranged on the top of the transmission cylinder 101, and a telescopic liquid rod 8 is vertically arranged inside the lifting plate 2 and the inner cavity 102, a built-in positioning plate 4 is installed at the bottom of the telescopic liquid rod 8, a metal cutting knife 5 is arranged at the bottom of the sampling cylinder 1, a lifting rod 3 is arranged on one side of the top of the lifting plate 2, an adjusting plate 302 is sleeved on the outer wall of the sampling cylinder 1, and a connecting plate 301 is arranged at the connection between the top of the adjusting plate 302 and the top of the lifting rod 3;

[0026] An auxiliary gear 603 is embedded on the outer side of the transmission cylinder 101, and a transmission gear 6 is meshed with the horizontal outer side of the auxiliary gear 603, and a transmission rod 601 is installed in the middle of the transmission gear 6, and the transmission rod 601 passes through the top shaft of the lifting plate 2 and is installed with an external motor 602; a top plate 7 is arranged on one side of the top of the lifting plate 2; the lifting rod 3 forms a lifting structure through the connecting plate 301 and the adjusting plate 302, and the adjusting plate 302 and the outer wall of the sampling cylinder 1 are interlocked; a rotation connection is formed between the sampling cylinder 1 and the lifting plate 2; the transmission gear 6 drives the auxiliary gear 603 to rotate through the external motor 602 and the transmission rod 601; the caliber sizes of the sampling cylinder 1 and the built-in positioning plate 4 match each other;

[0027] Sampling cylinder 1: Made of high-strength alloy material, the inside of the cylinder is smooth to reduce friction and disturbance to the soil sample during sampling. A sharp alloy cutter 5 is provided at the bottom of the sampling cylinder 1 to easily cut into the soil;

[0028] Driving mechanism: including a motor, a reducer and a transmission device, the external motor 602 drives the transmission device to drive the sampling cylinder 1 to rotate and press vertically downward, so as to realize rapid sampling of soil samples;

[0029] The auxiliary gear 603 on the sampling cylinder 1 is driven by the transmission gear 6 to rotate by the meshing transmission between the gears;

[0030] Depth adjustment device: It is arranged inside and outside the sampling cylinder 1. The depth of the sampling cylinder 1 entering the soil can be accurately controlled through the adjustment device to ensure the consistency of each sampling;

[0031] By utilizing the lifting and lowering of the outer adjustment plate 302 and the internal built-in positioning plate 4, the sampling space of the sampling cylinder 1 is adjusted and controlled, thereby determining the sampling depth each time and ensuring the accuracy of the detection sampling.

[0032] Working principle: For this type of soil compaction detection sampling device, first place the device on the surface of the soil to be tested, set the sampling depth through the depth adjustment device, and control the outer lifting rod 3 to drive the adjustment plate 302 to rise and fall through the connecting plate 301, adjust the position of the adjustment plate 302 outside the sampling cylinder 1, and then accurately control the extension and retraction of the internal telescopic liquid rod 8, so that the built-in positioning plate 4 can also be adjusted. After determining the sampling depth, the external motor 602 on the top is controlled to start, so that it is driven by the transmission rod 601 and the transmission gear 6, so that the auxiliary gear 603 drives the sampling cylinder 1 to rotate. The sampling cylinder rotates under the drive of the motor and is pressed vertically down to the set depth, so that the soil is sampled for easy detection.

[0033] The above description is only a specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any changes or substitutions that can be thought of by any technician familiar with the field within the technical scope disclosed by the utility model without creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A soil sample compaction detection sampling device, comprising a sampling cylinder (1) and a lifting rod (3), characterized in that: A transmission cylinder (101) is installed on the top of the sampling cylinder (1), and an inner cavity (102) is arranged on the inner side of the transmission cylinder (101); a lifting plate (2) is arranged on the top of the transmission cylinder (101), and a telescopic liquid rod (8) is vertically arranged inside the lifting plate (2) and the inner cavity (102); a built-in positioning plate (4) is installed on the bottom of the telescopic liquid rod (8); a metal cutting knife (5) is arranged on the bottom of the sampling cylinder (1); a lifting rod (3) is arranged on one side of the top of the lifting plate (2); an adjusting plate (302) is sleeved on the outer wall of the sampling cylinder (1), and a connecting plate (301) is arranged at the connection between the top of the adjusting plate (302) and the top of the lifting rod (3); An auxiliary gear (603) is embedded on the outer side of the transmission cylinder (101), and a transmission gear (6) is meshed with the horizontal outer side of the auxiliary gear (603), and a transmission rod (601) is installed in the middle of the transmission gear (6), and the transmission rod (601) passes through the top shaft of the lifting plate (2) and is equipped with an external motor (602).

2. A soil sample compaction detection sampling device according to claim 1, characterized in that: A top plate (7) is provided on one side of the top of the lifting plate (2).

3. A soil sample compaction detection sampling device according to claim 1, characterized in that: The lifting rod (3) forms a lifting structure through the connection plate (301) and the adjustment plate (302), and the adjustment plate (302) and the outer wall of the sampling cylinder (1) are interlocked.

4. A soil sample compaction detection sampling device according to claim 1, characterized in that: The sampling cylinder (1) and the lifting plate (2) are rotatably connected.

5. A soil sample compaction detection sampling device according to claim 1, characterized in that: The transmission gear (6) drives the auxiliary gear (603) to rotate via the external motor (602) and the transmission rod (601).

6. A soil sample compaction detection sampling device according to claim 1, characterized in that: The diameters of the sampling cylinder (1) and the built-in positioning plate (4) match each other.

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