Simple pile foundation for soft soil layer

Abstract

The invention relates to the technical field of power grid outdoor operation, and particularly relates to a simple pile foundation for a soft soil layer. The simple pile foundation comprises a pile rod, a ball screw, a ball nut, an extension rod, a sliding block, a bearing plate, a pile foundation body, a worm wheel, a worm and a rotating rod, wherein a mounting groove is formed in the pile rod, one end of the ball screw is rotationally connected with the middle of the bottom of the inner wall of the mounting groove through a bearing, the ball nut is in transmission connection with the outer surface of the ball screw, and the periphery of the surface of the ball nut is fixedly connected with one sides of four hinges. The purpose of improving the stability of the pile foundation in the softsoil layer is achieved, and the simple pile foundation has the advantages of being reasonable in structural design, high in bearing capacity, high in structural stability, high in bending and shearing strength, capable of effectively reducing the settling amount, more uniform in settling, high in horizontal load bearing capacity, capable of reducing lateral displacement, high in connecting strength, high in pulling resistance strength and high in practicability; and meanwhile, the overall structure is simple, and the use requirements can be met.

Description

technical field [0001] The invention relates to the technical field of outdoor operation of power grids, in particular to a simple pile foundation in soft soil. Background technique [0002] The whole composed of substations of various voltages and transmission and distribution lines in the power system is called the power network. It includes three units of power transformation, power transmission and power distribution. The task of the power grid is to transmit and distribute electric energy, and to change the voltage. The erection of the transmission grid is mainly carried out through the high-altitude erection of the transmission tower, and daily inspection and maintenance operations need to climb the tower. [0003] When erecting temporary cables for outdoor power grid maintenance, it is necessary to bury simple pile foundations on the ground to form support and fixation. Since the power transmission system composed of temporary cables has a large span, the stability o...

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Problems solved by technology

[0003] When erecting temporary cables for outdoor power grid maintenance, it is necessary to bury simple pile foundations on the ground to form support and fixation. Since the power transmission system composed of temporary cables has a large span, the stability of pile foundations directly affects the stability of cables after erection. The pile foundation construction in the soil layer has always been a major problem affecting the stability of the pile foundation. Due to the soft soil layer, the pile foundation is prone to settlement, and when the pile foundation bears a large horizontal load, it is prone to tilt, which affects the superstructure. the stability of

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