Single-rod-outlet servo oil cylinder adopting embedded displacement sensor
A linear displacement sensor and single-rod technology, applied in the field of servo oil cylinders, can solve the problems of limited installation space, high processing difficulty, low reliability, etc., and achieve the effects of high processing cost, low processing cost and long service life.
Active Publication Date: 2020-02-11
BEIJING MECHANICAL EQUIP INST
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Problems solved by technology
[0005] In view of the above analysis, the embodiment of the present invention aims to provide a single-rod servo cylinder using an embedded displacement sensor, which is used to solve the problem of complicated structure and poor The installation space is limited and the sensitive parts inside the linear displacement sensor are exposed to work in the oil, which leads to technical problems such as difficult processing and low reliability.
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Embodiment 1
[0044] This embodiment discloses a single-rod servo cylinder using a built-in linear displacement sensor, as shown in the attached figure 1 And attached figure 2 As shown, the single-rod servo cylinder includes sequentially connected monolithic parts 1, piston rod 2, cylinder block 3, front end cover part 4 and rear end cover part 13; the piston rod 2 telescopically moves in the cylinder body 3; The piston rod 2 is embedded with a linear displacement sensor, and the linear displacement sensor is coaxially installed with the piston rod 2; the linear displacement sensor includes a sensor shaft 17 and a sensor housing 5, and the sensor housing 5 is sleeved on the sensor shaft 17, and one end of the sensor shaft 17 It is the shaft end of the sensor housing 5, and the end of the sensor shaft 17 is fixedly connected with the piston rod 2; the other end of the sensor shaft 17 is embedded in the first end of the sensor housing 5, and the second end of the sensor housing 5 is connecte...
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The invention relates to a single-rod-outlet servo oil cylinder adopting an embedded displacement sensor, and belongs to the technical field of single-rod-outlet servo oil cylinders. The technical problems that a linear displacement sensor and a piston rod of an existing servo oil cylinder are mounted in a non-coaxial mode, so that the structure is complex, and the mounting space is limited are solved. The single-rod-outlet servo oil cylinder comprises a single-piece part, a piston rod, an oil cylinder body and a rear end cover part which are sequentially connected, wherein the linear displacement sensor which is coaxially mounted with the piston rod is embedded in the piston rod; the linear displacement sensor comprises a sensor shaft and a sensor housing, the sensor housing is arranged on the sensor shaft in a sleeving mode, and the end of the sensor shaft is fixedly connected with the piston rod; the other end of the linear displacement sensor is embedded in the sensor housing, andthe second end of the sensor housing is fixedly connected with the rear end cover part; and the sensor shaft is in relative sliding connection with the sensor housing. The servo oil cylinder is simpleand compact in structure and low in machining cost, the mounting space of the servo oil cylinder is greatly saved, and the service life of the linear displacement sensor is effectively prolonged.
Description
technical field [0001] The invention relates to the technical field of servo cylinders, in particular to a single-rod servo cylinder adopting an embedded linear displacement sensor. Background technique [0002] The servo cylinder is an important part of the servo mechanism on the projectile. It is installed in the limited space between the tail compartment of the projectile body and the engine nozzle. purpose of posture. [0003] With the continuous development of modern projectile weapon systems, higher requirements are put forward for the miniaturization, high power-to-mass ratio, low cost, and high reliability of the projectile servo mechanism. At present, the centerline displacement sensor and the piston rod of common servo cylinders are installed in a non-coaxial way. This solution has a complex structure, high processing costs, and requires a large installation space, which limits its use. [0004] Another common servo cylinder linear displacement sensor internal se...
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IPC IPC(8): F15B15/14F15B15/28F42B10/66
CPCF15B15/1423F15B15/2815F15B15/2892F42B10/66
Inventor 郭辉谢潼刘剑卢菊仙杨中巍马俊
Owner BEIJING MECHANICAL EQUIP INST