Beam-limiting device blade driving device, beam-limiting device and X-ray machine
A technology of drive device and beam limiter, which is applied in the field of beam limiter and X-ray machine, can solve the problems affecting the precision of blade movement, complex structure, complex gear processing, etc., and achieve easy disassembly and replacement, simple operation and easy maintenance Effect
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Embodiment 1
[0051] Embodiment 1 of the present invention provides a beam limiter blade driving device, which is used to drive the blades of the beam limiter, such as figure 1 As shown, the device includes: an upper plate 71, a lower plate 72, a rotating wheel 5, four pin shafts, and four blade fixing transmission mechanisms, wherein the rotating wheel 5 is horizontally arranged below the upper plate 71 and fixed by a flange 51 On the lower surface of the upper plate 71, four pin holes are arranged symmetrically in the center of the rotating wheel 5; the four pin shafts are respectively installed in the above pin holes and vertically arranged, and the four pin shafts are respectively the first pin shaft 61, The second pin shaft 62, the third pin shaft 63 and the fourth pin shaft 64; the four blade fixed transmission mechanisms are respectively the first blade fixed transmission mechanism 1, the second blade fixed transmission mechanism 2, the third blade fixed transmission mechanism 3 and ...
Embodiment 2
[0058] Embodiment 2 of the present invention provides a beam limiter, such as Figure 4 As shown, the limiter includes: a housing 10 for shielding rays, a bulb 20, a flange connection mechanism 30, four blades and the beam limiter blade driving device 40 of Embodiment 1, wherein the bulb 20 passes through the method The blue connection mechanism 30 is arranged on the upper part of the casing 10, and the beam limiter blade driving device 40 is arranged under the bulb 20. For the beam limiter blade driving device 40, please refer to Embodiment 1, and details will not be repeated here.
[0059] The four blades are respectively arranged on the four connecting plates of the beam limiter blade driving device 40 .
[0060] The blades in this embodiment are arranged in a cross shape.
Embodiment 3
[0062] Embodiment 3 of the present invention provides an X-ray machine, including a beam limiter, wherein the beam limiter includes the beam limiter blade driving device in Embodiment 1. For the beam limiter blade driving device 40, please refer to Embodiment 1 , which will not be detailed here.
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