Propulsion device for spallation neutron source target vehicle

Abstract

The invention relates to a propulsion device for a spallation neutron source target vehicle. The propulsion device comprises a heavy guide rail, a target vehicle base, a whole vehicle propulsion device, a propulsion block, a locking rod and a secondary propulsion device, wherein the target vehicle base is slidably mounted on the heavy guide rail; the heavy guide rail is mounted on a base; the target vehicle base is connected with the whole vehicle propulsion device; the propulsion block and the target vehicle are mounted on the target vehicle base; the locking rod is fixedly mounted on the propulsion block; the locking rod is matched with a locking hole in the base; the secondary propulsion device comprises a light guide rail, a servo motor, a gearbox body and a transmission screw; the light guide rail is slidably mounted on the target vehicle base; the servo motor and the gearbox body are mounted on the light guide rail; an output shaft of the servo motor is connected with the gearbox body; an output shaft of the gearbox body is connected with the transmission screw; a nut base is arranged on the propulsion block; the transmission screw is connected with the nut base; and an axis of the transmission screw is parallel to a propulsion direction of the target vehicle. The propulsion device for the spallation neutron source target vehicle can effectively ensure sealing property and is excellent in reliability.

Description

technical field [0001] The invention relates to a spallation neutron source target vehicle propulsion device. Background technique [0002] Since the spallation neutron source target container and the target car are connected and sealed, a W-shaped elastic ring is used, which is similar to a spring structure. To achieve sealing, apply a thrust to the target vehicle to deform the W-shaped elastic ring. At this time, the position of the target vehicle is locked, and the seal is performed by the rebound of the W-shaped elastic ring. Because this sealing device is realized by mechanical rebound completely. Therefore, after the W-shaped elastic ring is compressed for a long time, fatigue will occur, that is, the fatigue strength will decrease, and its own resilience will gradually decrease accordingly. As a result, the pre-pressure on the sealing surface is reduced, and the seal may fail. Contents of the invention [0003] In order to overcome the shortcomings of the existin...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing spallation neutron source target car propulsion device that the seal may fail and the reliability is poor, the present invention provides a spallation neutron source target car propulsion device that effectively guarantees sealing performance and good reliability

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