Hydraulic piling hammer is a kind of piling machine which uses the power of excavator, its own weight and pile weight to drive the pile into the ground. Compared with the traditional pile hammer, it has the advantages of low noise, no pollution and small vibration, which meets the requirements of environmental protection, and has excellent dynamic characteristics and controllability.
Hydraulic pile hammers are mainly conventional, high-frequency and non resonant types (usually non resonant type is also high-frequency type). Different types of pile driving hammers are suitable for different geological environment: conventional hydraulic pile hammer has large amplitude, suitable for construction in cohesive soil, high-frequency pile hammer is suitable for sandy soil, and non resonance type is suitable for areas with strict vibration limitation.
Because if the road surface housing construction is to be set on the road surface, the road surface should bear great working pressure, so it is necessary to ensure that the road surface has sufficient compressive strength to resist the working pressure. Therefore, there is no way to guarantee that the hydraulic pile hammer manufacturer must carry out structural reinforcement or improve the bearing method of the pavement bearing the housing construction. Therefore, we think of piling on the subgrade foundation The majority of the net weight of the building is transferred into the deep part below the road surface according to the pile, because the bearing capacity of the subgrade in this part is much greater than that of the pavement.
How deep the pile needs to be driven depends on the geological structure all over the ground (it is called geological structure layer in technical specialty). If the pile can fully bear the working pressure of housing construction, the pile will be driven here. If it is not possible, it will have to be increased again.
High frequency hydraulic hammer vibratory pile driver is a professional match with excavator. Reasonable use of excavator hydraulic pressure, fully use of excavator's strong controllability and convenient operation make the pile foundation engineering construction step into a new link, greatly save cost, improve efficiency, keep your excavator in one machine, and improve the economic benefit of project investment
The hydraulic pile driver is driven by the working pressure of compressor lubricating oil. It can be adjusted according to the different geological structure and soil layers. It can carry out foundation piling with more than moderate impact force. It is a new type of pile driver. The hydraulic pile driver is composed of pile hammer, pile frame and attached machine equipment. The pile hammer is attached to the middle of two parallel vertical guide rods (also known as gantry) in front of the pile frame, and is lifted by lifting hook. The pile frame is a steel structure tower pole, and its rear roommate crane is used to discard piles and pile hammers. There are two guide rods in front of the pile frame to form a guiding frame. With one hole's view, the pile can be driven into the geological structure according to the design direction.
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