Taiyuan University of Technology

Jianglin Liu

Jianguo Liang

Lianyun Jiang

Qingxue Huang

Chunjiang Zhao

Xiaodong Zhao

Yujie Duan

Yinhui Li

Zhaotun Jia

Haifeng Gao

Hui Li

Xinyu Wen

Zhanchun Chen

Zemin Ning

Yanchun Zhu

Yuqin Xue

Jun Feng

Junjie Guo

Runtian Zhao

Chunxiang Miao

Kun Yang

Jianhua Hu

Zhihui Wang

Renhui Zheng

Linchao Zhao

Zhi Li

A device for forming a V-shaped full-composite pressure vessel includes a semi-cylinder body mold, where the length of a cylinder body part of the semi-cylinder body mold is half of the length of a cylinder body of a processed pressure vessel; a groove for placing a valve seat is reserved at one end of a dome part of the semi-cylinder body mold, and a fiber yarn-dividing ring is mounted at the other end; the semi-cylinder body mold is connected to the valve seat through a spline; and the valve seat and the fiber yarn-dividing ring are in threaded connection with a rotating shaft of fiber winding equipment. According to this disclosure, a liner-free pressure vessel can be manufactured completely by processing a composite material, so the mass of the pressure vessel can be reduced. Furthermore, the mold is not required to be dissolved and taken out.

Device and method for forming V-shaped full-composite pressure vessel

The present disclosure provides a corrugated skew rolling preparation method of a magnesium alloy bar with a gradient structure, adopts a three-roller skew rolling mill, adding a corrugated curve to a flat roll rolling section of the three-roller skew rolling mill to form a corrugated roll, the billet used is as-cast magnesium alloy bar, and steps include: simulated rolling physical experiment; rolling parameters setting; bar homogenization annealing treatment; heating treatment of bars before rolling; three-roller skew mill rolling; cooling of the rolled parts after rolling. Thus improving the preparation efficiency and preparation quality of the magnesium alloy bar with gradient structure. And further improves the formiability of magnesium alloy bar with gradient structure.

Corrugated skew rolling preparation method of magnesium alloy bar with gradient structure

This application describes a method for manufacturing storage containers by spirally winding with multiple bundles of fibers. Two sets of yarn guide nozzles distributed in a circumferential array form a first spiral winding structure and a second spiral winding structure respectively, and a spiral winding device with the two layers of spiral winding structures cooperates with feeding devices carrying wound containers, to realize the spiral winding of the multiple bundles of fibers on the wound containers; the feeding devices drive the wound containers to do axial reciprocating motion and axial rotation, and the spiral winding device drives the yarn guide nozzles to do radial telescopic motion and self-rotation motion; and according to the lengths of axial dimensions of the wound containers, single-station double-layer spiral winding or double-station single-layer spiral winding is selected.

Method for manufacturing storage containers by spirally winding with multiple bundles of fibers

An inflation control apparatus includes seal heads at ends of a container liner on a rack; a rotary inflation connector includes a static component and a rotating component. The rotating component is connected with the seal head; an inflation core tube is in the container liner, air holes are in the inflation core tube, and the two ends of the inflation core tube are connected with the static component of the rotary inflation connector respectively. A temperature and pressure sensor is in the container liner; an air compressor provides air for an air heater, the air heater introduces the heated air into an air inlet of the inflation core tube, an air outlet of the inflation core tube is connected with an air inlet of a flow regulating valve, and an air outlet of flow regulating valve is connected with an air inlet of the air compressor.

Inflation control apparatus and internal curing method for IV-type hydrogen storage container

The present application relates to the technical field of fiber winding control, and provides a tension control method of a multi-bundle winding equipment combined driving system, which solves the problem that the tension fluctuates greatly and cannot be output constantly in the fiber winding process. The method includes: establishing a tension control system fractional order mathematical model; establishing a time-varying fractional order PID controller; inputting a target tension value and an unknown external interference to the tension control system fractional order mathematical model, and outputting a real-time tension value; and calculating a difference between the target tension value and the real-time tension value and then inputting the difference into the time-varying fractional order PID controller, inputting an output value of the time-varying fractional order PID controller and the unknown external interference into the tension control system fractional order mathematical model, and outputting a real-time tension value until the real-time tension value output by the tension control system fractional order mathematical model approaches the target tension value. The tension value output by the control system according to the present application can be well stabilized near the target tension value; and the system has high robustness when the tension changes suddenly.

Tension control method of multi-bundle winding equipment combined driving system

Carbon fiber winding equipment includes integrated spiral and hooping winding equipment for multi-bundle fibers. The equipment includes a spiral winding unit, a hoop winding unit, and a guide base and a supporting base for supporting the spiral winding unit and the hoop winding unit. An end face of a gear driving plate includes a continuous bulbous iris curve sliding rail, a sliding rod extends into the sliding rail and is capable of driving a yarn guide shaft tube to slide radially along with the rotation of the gear driving plate. A bevel gear is capable of driving the yarn guide shaft tube to do auto-rotation motion along with the rotation of a second transmission gear ring. A ratchet driving plate rotates to drive an electric telescopic rod to push a hoop rotation plate to rotate so as to drive a hoop winding bundling device to complete a hoop winding action.

Integrated spiral and hooping winding equipment for multi-bundle fibers

The present disclosure provides a filament winding device, which includes a helical winding device, a circumferential winding device, and a fixing device, a workpiece is clamped through the fixing device that drives the workpiece to rotate radially and move axially, the workpiece is performed helical winding through the helical winding device, and the workpiece is performed circumferential winding through the circumferential winding device.

Filament winding devices

Growing community of inventors

Taiyuan, China

Jianglin Liu