Adjustable transmission device for measuring transverse parameters of beams

An adjustable transmission device for measuring transverse parameters of beams, comprising:

• a CCD transmission support assembly;
• an external transmission rod;
• a vacuum observation window;
• a head assembly;
• a screwing mechanism;
• and
• a base;
• wherein one end of the CCD transmission support assembly is arranged in the external transmission rod, and the other end thereof is connected with a support block;
• the support block is provided with a first pin hole, and a slotted set screw with flat point is arranged in the first pin hole;
• and the support block and a limit block are fixedly connected via a first fastener;
• the limit block is configured to support the external transmission rod;
• a first groove is arranged at an outer side of a rear of the external transmission rod, and a snap ring is arranged in the first groove;
• the snap ring is matched with one end of the base, and the other end of the base is connected to a CCD fixing plate via a second fastener;
• and
• a second groove is provided in the external transmission rod and is provided with a first retaining ring for limiting subsequent components, and a side of the first retaining ring is sequentially provided with the vacuum observation window, a second retaining ring, the head assembly, a retaining sleeve and the screwing mechanism.