Impact loading test system

Impact loading test system

1、 1. System composition

Impact loading test systemIt mainly includes auxiliary components such as control system, impact loading platform, and pipelines. The impact loading platform mainly includes two parts: the impact simulation subsystem and the installation base,

2、 Working principle and impact process

The impact simulation subsystem includes a velocity generator and an impact head component. The speed generator is a high-speed hydraulic cylinder with a maximum speed of 15m/s; The impact head assembly includes auxiliary components such as impact head, impact programmer, guide rail type guide device, buffer device, return device, locking device, etc.

Technical Specifications:

Ø Structural form: Double outlet symmetrical cylinder;

Ø Effective travel: 1500mm;

Ø Buffer stroke (ejection direction): 150mm (reaction force less than 5% of impact force);

Ø Total travel: 1650mm;

Ø Speed: 15m/s;

Ø Size specification: 200/125;

Speed adjustment range: 1m/s~15m/s;

Speed adjustment method: programmable control adjustment;

Speed adjustment accuracy: Through the servo control system, the opening of the servo valve is dynamically adjusted in real time, with a speed adjustment accuracy of ≤ 0.3m/s and a controlled WUCHA of ≤ 0.3m/s.

3、 The reaction base is used to fix the impact loading module on the reaction foundation through anchor holes, and its parameters are as follows:

Structure: Welded structural components;

Material: Q355;

Weight: Approximately 3 tons;

Quantity: 2 pieces;

Installation interface: bolt hole spacing of 600mm, compatible with the installation requirements of 600 × 600mm array anchor holes.

Adjustment method: Add a cushion block above the reaction base to achieve height adjustment, with a maximum loading point of 6000mm.

4、 Pipeline

Hydraulic pipelines are an important component of hydraulic systems and the foundation for ensuring the safe and reliable operation of equipment.

The supporting pipeline parameters of this system are as follows:

1) Hydraulic system pipelines include hard pipes and soft pipes; The fixed part is connected by a hard tube, and the moving part is connected by a soft tube;

2) All pipelines meet the requirements of instantaneous flow rate in the system, and there will be no excessive pressure drop in the oil supply pipeline and no excessive back pressure in the return pipeline;

3) The hard pipe material is cold drawn seamless steel pipe, and the oil pipeline fittings such as pipe joints and corner joints should be connected to the hard pipe without welding. The steel pipe brand is domestically produced high-quality cold drawn seamless steel pipe, and the pipe joints, corner joints, and seals are imported brands.

4) There is no leakage or rupture in the oil supply pipeline under a pressure of 31.5MPa; There is no leakage or rupture in the return oil pipeline under a pressure of 4MPa; The pressure resistance strength of the oil discharge pipeline must meet the requirement of no leakage or rupture under a pressure of 6MPa.

5) The colors of the fuel supply pipe, return pipe, and drain pipe in the pipeline are distinguished. The fuel supply pipe is red, the return pipe is yellow, and the drain pipe is blue.

The welding free construction process of the pipeline system mainly includes EO2-FORM pipe end extrusion molding, 37 ° expansion molding, retaining rings, etc. The specific description is as follows.