Powerchina Sepco1 Electric Power Construction Co., Ltd.

Powerchina Sepco1 Electric Power Construcion Co., Ltd.

Jiyong Pang

Guodong Shao

Li Tian

Jianping Zhang

Di Tang

Chongyang Zhang

Tao Chen

Tao Li

Gaojun Qi

Chuanguo Du

A large-scale tool hoisting device for offshore electric power construction is provided. A steel cable retracted to winches is dried using the heat in the operating cabin, thereby preventing the steel cable from being in a wet state for a long time and being corroded by seawater. For different loads at the terminal of the steel cable, a transmission ratio between a drive wheel and a control wheel is changed through the sliding of the drive wheel. Without changing the rotational speed of the drive motor, the moving speed of the steel cable is effectively and correspondingly improved by reducing the pulling force of the steel cable, or a large pulling force can be provided for the steel cable by reducing the moving speed of the steel cable. The transmission ratio can be changed in the hoisting process.

Large-scale tool hoisting device for offshore electric power construction

A soil layer detection drilling device includes a drilling cylinder, and a soil-sampling assembly is provided inside the drilling cylinder. When the soil is drilled, equipment is in a vertical state, a controller is turned on to control a rotary motor to rotate, and the drilling cylinder is driven to drill the soil with the cooperation of drive wheels and a drive belt. Four slide blocks are evenly distributed around an outer circumference of a sliding disk and are matingly connected with slide grooves provided on an inner wall of the drilling cylinder, so when the drilling cylinder rotates, the soil-sampling assembly also rotates. A conical head first in contact with the ground starts to drill the ground, then the drilling cylinder gradually drills into a soil layer, and the drilling cylinder is idled as the drilling cylinder arrives at a certain depth, to clear soil on auger blades.

Soil layer detection drilling device

A modular energy-dissipating fabricated structure for a transmission tower includes a base, two T-shaped beams, a vibration damping mechanism, a connection plate, and four supporting beams. The vibration damping mechanism slides to generate the damping force and energy dissipation. The larger the displacement of the vibration damping mechanism, the greater the damping force provided by the system. This effectively reduces vibration of an upper structure of the transmission tower, and lowers a probability of damaging the upper structure in a natural disaster. The modular energy-dissipating fabricated structure realizes hierarchical control under different loads. Under an action of a dynamic load such as a strong wind, a small sliding range of the vibration damping mechanism can realize vibration damping and energy dissipation purposes of the structure. When a strong dynamic load such as an earthquake is applied to the structure, the vibration damping mechanism reduces an impact on the structure.

Modular energy-dissipating fabricated structure for transmission tower

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Jinan, China

Jiyong Pang