Temperature impact test chamber The basket moving device is mainly composed of driving device, sealing device, sample holder assembly and other components, and the reasonable combination of each component constitutes a good mobile device. The transition time from one studio to another is less than 10s.
The driving device is composed of a cylinder, a roller, a wire rope, a gas source triple piece, a three-position five-way solenoid valve and some pneumatic components. After adjusting the air pressure by the air source triple piece, the cylinder is controlled to move up and down through the three-position five-way solenoid valve, the top end of the cylinder is connected with the wire rope, and the other end of the wire rope is fixed on the top of the basket through the roller, and a reasonable combination of the components forms a set. Drive unit.
The top seal acts as a seal on the top of the basket. When the temperature impacts the basket to move downward, it is sealed with the box partition by the gravity of the basket itself. The silicone sealing strip is installed at the bottom, and is fixed by sealing the rivet. The top part is filled with glass fiber insulation cotton to protect the heat; the top diagonally is equipped with a limit block to ensure that the basket does not move up and down. There is a sloshing phenomenon. The top seal is installed in a high temperature room, and the high temperature will change the materials used in the equipment to meet the requirements of high temperature environment.
The bottom sealing device acts as a seal at the bottom of the basket and forms a seal with the box partition by the pulling force of the cylinder. The bottom seal has the same composition as the top seal. The bottom sealing device is installed in the low temperature chamber, and the low temperature has an adverse effect on almost all the base materials, so the material used in the bottom sealing device must meet the requirements of the low temperature environment.
The temperature impact test chamber sample holder assembly is composed of a sample holder, a column, and a guide rail. The column connects the top sealing device and the bottom sealing device into one body. The guide rail is hung on the column, the upper and lower positions can be adjusted, and the sample holder is placed on the guide rail. Place the test sample on the sample holder during the test and adjust the height of the guide as needed.
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