Compact rotary joint structure
A rotary joint, compact technology, applied in the direction of rotary current collectors, current collectors, electrical components, etc., can solve the problems of not adapting to the realization of modern radar multi-function and radar structure optimization, bulky joint subsystem, and backward performance indicators. , to achieve the effect of increasing the scope of application, reducing the volume, compact and reasonable structure
Active Publication Date: 2013-09-25
北方通用电子集团有限公司
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Problems solved by technology
[0008] (6) If the feeder is to be inflated, it must have a sealed structure
[0010] At present, the joint subsystems widely used in China are large in size, complex in structure, and backward in performance indicators, which are no longer suitable for the realization of modern radar multi-function and radar structure optimization.
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[0037] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0038] Such as Figure 1~Figure 14 As shown: the present invention includes a long probe 1, a short probe 2, a first block 3, a second block 4, a first inner conductor 5, an outer conductor 6, an inner casing 7, a first semi-flexible cable 8, a second Semi-flexible cable 9, first cover 10, large outer shell 11, small outer shell 12, inner shaft 13, first dielectric gasket 14, first joint 15, second inner conductor 16, first outer cone 17, second An inner cone 18, a first bushing 19, a second outer cone 20, a second inner cone 21, a third inner conductor 22, a second dielectric gasket 23, a first inner ring piece 24, and a third dielectric gasket 25 , the fourth dielectric gasket 26, the second inner ring piece 27, the fifth dielectric gasket 28, the fourth inner conductor 29, the sixth dielectric gasket 30, the fifth inner conductor 31, the second sleeve 32, t...
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The invention relates to a compact rotary joint structure, which comprises a big outer shell, wherein one end of the big outer shell is provided with a small outer shell; an inner shell is arranged in the big outer shell through a second bearing, an inner shaft is arranged in the small outer shell, and the inner shaft can rotate in the small outer shell; the end part of one end of the inner shaft is fixedly connected with the inner shell; a fixedly-connected first inner conductor is arranged in the inner shell in a way of corresponding to the end part of one end connected with the inner shaft; the other end of the inner shell is provided with a fixedly-connected outer conductor which is electrically connected with the first inner conductor; the outer conductor corresponding to the other end connected with the first inner conductor is provided with an electrically-connected second inner conductor; the first inner conductor is electrically connected with a third inner conductor inside the inner shaft; a long probe head is arranged on the small outer shell; and the long probe head is electrically connected with a second semi-soft cable extending into the small outer shell. The compact rotary joint structure is compact and reasonable, is convenient to mount and use, reduces the volume of a rotary joint, improves the application range of the rotary joint, and is safe and reliable.
Description
technical field [0001] The invention relates to a joint structure, especially a compact rotary joint structure, specifically a device for ensuring the continuity of radio frequency signals in a rotary antenna system, and also a key microwave device in various mechanical scanning radar systems, belonging to the rotary Technical field of joints. Background technique [0002] In order to search for targets, track targets, and measure the spatial position of targets, radar antennas must rotate at any time. The rotary joint is to complete the microwave signal transmission task when the antenna rotates. According to the space rotation function of the rotary joint, it can be divided into pitch rotary joint, azimuth rotary joint and roll rotary joint; according to the microwave transmission channel of the rotary joint, it can be divided into single rotary joint, double rotary joint and multi-channel rotary joint. From a structural point of view, the rotary joints classified accord...
Claims
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IPC IPC(8): H01Q3/02H01R39/00
Inventor 何达秦如清张雄金裕成孔令文
Owner 北方通用电子集团有限公司