An Electromechanical Servo Mechanism with High Power Density and Long Stroke
A high power density, electromechanical servo technology, applied in the field of servo electronic control, can solve the problems of oil leakage in the hydraulic system, high power-to-weight ratio of the rudder surface, and difficulty in failure analysis, so as to reduce the axial space and reduce the jamming. The probability of , the effect of good market application prospects
Active Publication Date: 2020-07-14
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1
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Problems solved by technology
There are problems such as large overall weight, small power-to-weight ratio, low efficiency, and oil leakage in the hydraulic system, and it is not easy to analyze the faults that occur
It cannot meet the needs of modern vehicle-mounted vertical push rod devices, all-electric aircraft and ship rudder surfaces with high power-to-weight ratio, strong carrying capacity, and small installation space
Method used
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[0029] In order to make the solution of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:
[0030] Such as Figure 1~2 As shown, a high-power-density long-stroke electromechanical servo mechanism includes a joint bearing 1, a motor 2, a casing 3, an intermediate casing 4, an output rod 5, a lock nut 6, a first bearing 7, a main screw 8, a second A nut 9, a second nut 10, a guide assembly 11, a high and low lip seal 12, a linear bearing 13, a flange 14, a second bearing 15, an adapter sleeve 16 and a hollow screw 17;
[0031] Both the shell 3 and the middle shell 4 are hollow cylinders, and the middle shell 4 is coaxially pierced in the shell 3, and the output rod 5 is coaxially pierced in the middle shell 4 and is provided with a high and low lip seal 12, and the shell 3 and the The motor 2 is fixedly connected, and the motor 2 is fixedly connected to the joint bearing 1...
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The present invention discloses an electromechanical servo with a high power density and a long stroke. The electromechanical servo comprises a joint bearing, a motor, a housing, an intermediate housing, an output rod, a locknut, a first bearing, a main lead screw, a first nut, a second nut, a guiding module, high-low lip seals, a linear bearing, a flange, a second bearing, an adapter sleeve and ahollow lead screw. The intermediate housing, the output rod and the main lead screw penetrate the housing in order, and the output rod is provided with the high-low lip seals, and the housing, the motor and the joint bearing are fixedly connected in order; the main lead screw and the motor are in keyed joint and the first bearing and the locknut are installed at the keyed joint portion; the mainlead screw is engaged with the first nut, and the first nut, the intermediate housing and the adapter sleeve are fixedly connected in order; and the hollow lead screw penetrates the adapter sleeve andis provided with the second bearing, the hollow lead screw is cooperated with the main lead screw and is provided with the linear bearing, the hollow lead screw is engaged with the second nut, and the second nut is fixedly connected with the output rod. The electromechanical servo with the high power density and the long stroke achieves long-distance output, a high power to weight ratio and largecarrying capacity of products and makes up defects of a traditional hydraulic mechanism.
Description
technical field [0001] The invention relates to an electromechanical servo mechanism with high power density and long stroke, which is especially suitable for a vehicle-mounted vertical push rod device and belongs to the technical field of servo electric control. Background technique [0002] In recent years, all-electricity is an important development trend of vehicle-mounted erection devices, aerospace vehicles and ship rudder drive devices. The power-by-wire actuation system has become one of the research hotspots in the machinery industry. Power transmission between the secondary energy system and the actuators. Compared with the traditional hydraulic actuation system, it belongs to green energy, with strong flexibility, good safety, high efficiency, high reliability and easy maintenance. [0003] With the development of science and technology and military affairs, my country's electromechanical equipment is developing towards high reliability, fast action and long life...
Claims
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IPC IPC(8): H02K7/06H02K7/08
CPCH02K7/06H02K7/08
Inventor 王德义李德强郑世成韩旭
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST