The development of static probe vehicles

Cone penetration refers to the use of a pressure device to push the probe with a probe into the test soil. Through the measurement system to measure the penetration resistance of the soil, certain basic physical and mechanical properties of the soil can be determined, such as soil deformation. Modulus, allowable bearing capacity of soil, etc. According to this characteristic, professional appliances emerged, static touch probe cars.

The static probe car is a new technology that has emerged in recent years. There are three main methods of pressurizing a static touch car, mechanical, hydraulic, and manpower. Hydraulic static touch probe car refers to the touch probe host is hydraulic transmission type, such as trailer type, floor type, small hydraulic type, the touch probe host are hydraulic transmission type, but the reaction force device is not the same, dragging Type and small hydraulic static touch probe vehicle countermeasures are ground sighting, while conventional static touch probe cars are mainly weighted type. The static penetration test is conducted in the field and the static penetration ratio is incorporated into the resistance and load. The static foundation bearing capacity of the soil can be determined by static penetration testing. However, because of the limited technology available, it is impossible to accurately measure the deformation of the underground. Therefore, the results obtained by static cone penetration have a certain deviation from the actual results, so they are not often used.

The static touch probe vehicle has changed the clumsiness and inflexibility of traditional static touch probe tools. It is easy to move after assembly, reduces the transportation cost of the appliance itself, and improves adaptability. In particular, hydraulic hydrostatic probe vehicles can represent a new level of use of static penetrating technology. The probe of the static touch probe car can be applied to soft soil, cohesive soil, dust, sand, and soil layers containing a small amount of gravel. It has the advantages of continuous test, high efficiency and multiple functions. It has the dual function of exploration and testing and is not influenced by sampling disturbance. The test quantity has high accuracy and good reproducibility. The use of electrical measurement technology facilitates the automation of the test project, which makes the work simple and the work intensity reduced. However, the static probe vehicle has not yet changed its inherent shortcomings. If the mechanism of penetration is not clear, although effective automated analysis can be formed, soil samples cannot be directly observed and identified. For soils containing large amounts of gravel, gravel, and very dense sand, it cannot be used directly. The hydraulic static probe vehicle is expected to change this point. The hydrostatic touch probe car is driven steadily. In the hydraulic transmission device, because the compression of the oil is very small, the oil has the ability of absorbing vibration, the hydraulic buffering device can also be set in the oil circuit, so unlike the mechanical mechanism, processing and assembly The error will cause the vibration buckle to impact, so that the transmission is very smooth and there is no need to worry about the overload problem. Hydrostatic touch probe vehicles have taken a lot of safety protection measures to improve the safety of use.

One dollar after another, Vientiane updated. People cannot step into the same river at the same time. Technology is changing and everything is changing. Only constant innovation and development, otherwise life will be like a backwater.

Conveyor

SCREW Conveyor is mainly used with conveying powdery, granular and small pieces of material, can be matched with other equipment, used to feed, can also work alone, but it is not suitable for conveying metamorphic, viscous and easy to agglomerate materials. Screw conveyor commonly known as the twisted dragon, is a mineral, feed, grain and oil, construction in the use of a conveying equipment widely, from the Angle of the conveying material displacement direction, screw conveyor is divided into horizontal screw conveyor and two types of vertical screw conveyor, mainly used for the various powder, granulated and small lump of loose materials such as horizontal and vertical ascent. Screw conveyor is made of steel, screw conveyor used for conveying high temperature powder or solid particles and other chemical, food, medicine, building materials and other equipment. The inside of the screw conveyor is a conveying pipe, and the blades are welded in a spiral shape on the conveying pipe.

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