A soil vibrating device
A soil and driving device technology, applied in the field of geotechnical engineering, can solve problems such as inability to test soil mechanical properties
Inactive Publication Date: 2018-06-29
JILIN UNIV
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Problems solved by technology
Vibration and compaction methods can only achieve maximum density preparation, but cannot further test the mechanical properties of the soil
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[0023] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the present invention includes a basic frame, a driving device, a transmission part and an execution part, the driving device and the transmission part are installed on the basic frame, and the execution part is installed on the transmission part;
[0024] The basic frame includes a base 1, a soil sample box cover 9 and a housing 10, the soil sample box cover 9 is installed on the top of the housing 10, and the housing 10 is installed on the base 1;
[0025] The drive device includes a motor 4, a reducer 3, a reducer support base 2 and a shaft coupling 12, the output shaft of the motor 4 is connected with the input shaft of the reducer 3, and the motor 4 is installed on the base 1 through the support base 2 of the reducer;
[0026] like figure 2 As shown, the transmission components include a camshaft 11, a coupling 12, a bearing 22, a bearing cover 13, a...
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The invention discloses a soil compacting device. The soil compacting device comprises a basic framework, a driving device, a transmission component and an execution component, wherein the driving device and the transmission component are arranged on the basic framework; the execution component is arranged on the transmission component; power of a vibrating motor is delivered to a shaft coupling through a speed reducer to drive a cam shaft to rotate; a cam intermission mechanism is used for converting cam shaft rotational motion into upward-downward reciprocating motion along a vertical direction in order that a soil sample box vibrates up and down intermittently; the soil sample box is separated from the cam intermission mechanism after moving to a highest point, and comes into contact with the top of the cam intermission mechanism through free falling in order that soil in the soil sample box is compacted; the soil is compacted gradually by a plurality of cycles. The mass and bulk weight of the soil in the soil sample box are calculated according to the total mass and remaining mass of soil added into a feeding bucket, and the vibration time is adjusted to obtain soil of different bulk weights needed by tests. By adopting the soil compacting device, preparation of large-bulk-weight soil can be realized, and the soil particle diameter distribution range is widened.
Description
technical field [0001] The invention belongs to the field of geotechnical technology, and in particular relates to a soil vibrating device. Background technique [0002] Soil bulk density, also known as relative density, refers to the mass per unit volume of soil in the natural state. The soil bulk density index is of great significance in environmental protection, geology, water conservancy, agriculture and construction engineering. During the on-site sampling process, it is difficult to maintain the original soil pattern after the soil is disturbed. In addition, for deep soil with large bulk density, it is not easy to perform subsequent mechanical performance tests after sampling. Shear and pressure tests. The methods for measuring the maximum bulk density of soil mainly include vibration method and hammering method: [0003] Vibration method: Take the sample and mix it well and pour it into a metal cylinder for vibration. After pouring into the cylinder, use a vibrating ...
Claims
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IPC IPC(8): G01N1/28
CPCG01N1/286
Inventor 黄晗李建桥吴宝广薛龙王颖张广权
Owner JILIN UNIV