RU2276771C2 - Control actuator unit of guided missile - Google Patents

Abstract

FIELD: rocketry, in particular, control actuators of guided missiles.

SUBSTANCE: a hole for installation of the cylindrical part of the armature is made in the control actuator unit in the yoke of the control electromagnet. A clearance is made between the cylindrical part of the armature and the yoke hole. The upper part of the armature is a component of the magnetic circuit, and the lower part is made in the form of a shutter closing the exit nozzles. Strips are fastened on both sides of the armature, in which the armature is installed on an axle in the bearings, adjusting screws of the spring fastened on the armature axle are installed on one of the strips.

EFFECT: enhanced dynamic characteristics of the control actuator unit of the guided missile.

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Description

The invention relates to the field of weapons, specifically to rocketry.

Known electropneumatic steering gear of a guided projectile, patent PU 2157503 F 42 V 15/01, adopted as a prototype.

The electro-pneumatic steering gear drive of a guided projectile comprises a housing with a cylindrical part, a relay booster located therein and a steering machine with a distributor with a jet tube and a receiver and an electromechanical converter with an armature, a tube for supplying compressed air to the base of the jet tube, in the wall of the jet tube perpendicular to the axis of rotation the inlet is made of the tube, the outlet section of the jet tube and the inlet windows of the receiver are slotted, parallel to the rotation axis tubes, the air supply pipe is installed with a gap of 0.06-0.12 mm opposite the inlet of the jet tube, and the transformer armature and the jet tube are placed on the axis between the thrust bearings.

When applying an electrical signal to the electromechanical converter, the armature is deflected to the stop. A significant drawback of this steering drive is the unstable change in the response time of the electromechanical converter as a result of an increase in the working gap between the armature and the magnetic circuit in the area where the armature connects to the axis.

This leads to an unstable change in the response time of the steering drive, which leads to a deterioration in the reliability of the steering unit and the flight of the guided projectile.

The objective of the invention is to increase the reliability of the steering gear by reducing the response time of the steering gear and improving the stability of the characteristics of the guided projectile.

A steering projectile steering gear unit is proposed that includes a steering machine consisting of a power cylinder, a switchgear, a control electromagnet, a frame with rudders, a control electromagnet contains a yoke with coils in which a hole is made with the cylindrical part of the armature located in it, between the cylindrical part the anchor and the yoke hole made a gap in the range of 0.015-0.07 mm, the upper part of the anchor is an element of the magnetic circuit, and the lower part is made in the form of a shutter that overlaps the output nozzles on both sides of the yoke with screws and pins are reinforced strap, in which the axle bearing is installed anchor on one of the slats of the spring adjusting screw mounted fixed on the armature shaft.

The proposed steering unit is illustrated in figures 1-5.

Figure 1 shows the block of the steering drive, figure 2, 3, 4, 5 - control electromagnet.

The steering drive unit consists of a frame 1, a steering machine 2. The steering machine includes a power cylinder 3 with a piston 4, a switchgear 5, a control magnet 6. A piston 4 is connected to the axis 7 of the steering wheels 8. Nozzles 10 are installed in the housing 9. The control magnet 6 consists of an armature 11 with a cylindrical part 12, a yoke 13, coils 14, slats 15 and 16, the axis of the armature 17, bearings 18, springs 19, screws 20, pins 21, adjusting screws 22. The spring 19 is mounted on the axis 17 with a strap 23 and supports 24 with screws 25. Nozzles 10 are blocked by a shutter 26 of the armature 11. The axis of the armature is installed bends in the bearings 18. Plates 27 are glued to the anchor, providing a clearance from the splicing to the yoke 13 when the armature is rotated.

Operating principle

When a control signal is supplied to the coils 14 of the control magnet 6, the armature 11 is rotated on the axis 17 in the bearings 18 to the yard 13. One of the nozzles 10 is blocked by the shutter 26 of the armature 11 and the other opens. The nozzles 10 are connected to the cavities of the power cylinder 3, and a pressure differential occurs on the piston 4, under the action of which the piston moves and the steering wheels 8 are rotated.

The proposed steering gear unit, in which the cylindrical part of the armature with a constant technological gap between the armature and the yoke hole in the range of 0.015-0.07 mm and the exact symmetry of the working part of the yoke relative to the placement of the armature in the magnetic circuit, can significantly increase the dynamic characteristics of the steering gear unit.

Laboratory and bench tests and flight tests confirmed the high dynamic characteristics of the steering unit in the range t ° ± 50 ° C and gas temperatures up to 1100 ° C.

Claims (1)

Steering gear steering gear unit comprising a steering machine consisting of a power cylinder, a switchgear, a control electromagnet, a frame with rudders, characterized in that the control electromagnet comprises a yoke with coils in which a hole is made with the cylindrical part of the armature in it, between the cylindrical a part of the anchor and the yoke hole is made a gap, the upper part of the anchor is an element of the magnetic circuit, and the lower part is made in the form of a shutter blocking the outlet nozzles, on both Torons from the yoke straps are reinforced, which journalled in bearings installed anchor on one of the slats of the spring adjusting screw mounted fixed on the armature shaft.

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