Large-tonnage antenna servo erecting electric mechanism
An electric mechanism and large-tonnage technology, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of low reliability of motor brake self-locking and low self-locking transmission efficiency of trapezoidal screw pairs, etc., to achieve reliable mechanical Self-locking performance, good self-locking performance and high work efficiency
Pending Publication Date: 2020-12-22
BEIJING INST OF SPECIALIZED MACHINERY
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Problems solved by technology
[0004] The existing erecting mechanism cannot meet the above-mentioned requirements of the sky servo for its action actuators. For example, in terms of position maintenance, for the existing small-tonnage sky servo action actuators, it usually adopts the self-locking motor brake. Or the self-locking mode of the trapezoidal screw pair, but the self-locking of the motor brake has the disadvantage of low locking reliability, and the self-locking of the trapezoidal screw pair has the disadvantage of low transmission efficiency
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Embodiment Construction
[0022] Such as figure 1 shown, combined with Figure 2-4 As shown, the large-tonnage aerial feeder erecting electric mechanism of the present invention includes a worm gear box 13, and the worm gear box 13 is provided with a worm wheel 14 and a worm 3 that mesh with each other, and the worm wheel 14 and the worm 3 that mesh with each other are called Worm gear pair. The worm 3 is driven by the motor 1 . The worm wheel 14 is provided with a lead screw 4 extending out of the worm gear box 13 . The lead screw 4 is arranged coaxially with the worm wheel 14 and can rotate together with the worm wheel 14 . The lead screw 4 is covered with a cylinder 6, the cylinder 6 is fixed on the worm gear box 13, the lead screw 4 is covered with a lead screw nut 15, and the lead screw 4 and the lead screw nut 15 are called balls. Lead screw pair. An anti-rotation structure is provided between the screw nut 15 and the inner wall of the cylinder 6 to prevent the screw nut 15 from rotating. The ...
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The invention discloses a large-tonnage antenna servo erecting electric mechanism, and the mechanism comprises a worm and gear transmission case, wherein a worm gear and a worm which are meshed with each other are arranged in the worm and gear transmission case, the worm is driven by a motor, a lead screw extending out of the worm and gear transmission case is arranged on the worm gear, the lead screw and the worm wheel are coaxially arranged and can rotate along with the worm wheel, the lead screw is sleeved with a cylinder barrel, the cylinder barrel is fixed to the worm and gear transmission box, the lead screw is sleeved with a lead screw nut, an anti-rotation structure for preventing the lead screw nut from rotating is arranged between the lead screw nut and the inner side wall of thecylinder barrel, and a push rod is fixedly connected to the lead screw nut. The large-tonnage antenna servo erecting electric mechanism is large in bearing capacity, high in working efficiency, goodin self-locking performance and high in working reliability.
Description
technical field [0001] The invention relates to the field of electric actuators, in particular to an action actuator fed by an antenna. Background technique [0002] The antenna servo is an important part of the telemetry system, and the antenna servo has higher requirements on the performance and reliability of its action actuator than the general actuator. Generally speaking, the mechanical actuator of the antenna feeder requires high load capacity, fast response, accurate positioning, reliable self-locking at any position, high working reliability, and simple maintenance. It is aimed at the limited installation space and long-term storage and use of the antenna feeder system. , It also requires high carrying capacity, high work efficiency, good self-locking performance and high work reliability of the actuator. [0003] The erecting mechanism is the part that requires the highest output power in the antenna servo action. It is required to perform the erecting and levelin...
Claims
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IPC IPC(8): H01Q1/12H02K7/116
CPCH01Q1/12H02K7/1166
Inventor 侯秉睿王飞陈亮
Owner BEIJING INST OF SPECIALIZED MACHINERY