CN203811054U - Folding missile lifting lug device - Google Patents

Abstract

The utility model discloses a folding missile lifting lug device which comprises a missile, a lifting lug, a torsional spring, a rotary shaft, two bearings, a plate spring, a check block, a nut, a bolt, a screw and a small base plate. The folding missile lifting lug device is characterized in that the lifting lug is horizontally mounted in a missile groove, the two symmetrical bearings are mounted in the missile groove, the rotary shaft is mounted in inner holes of the two bearings and two holes in lower lug sheets of the lifting lug, the torsional spring sleeves the middle of the rotary shaft, and the lifting lug upwardly rotates by an angle of 90 degrees so that the torsional spring is in a torsion energy storage state, the lifting lug is locked on the missile via the bolt and is in a spread state, and the bolt is connected onto a rack. When the missile is launched, the bolt is pulled out, the lifting lug rotates around the rotary shaft under the effect of torsional moment of the torsional spring and is folded and withdrawn into the missile groove, the top of the lifting lug is clamped on the plate spring, and the lifting lug is locked in the missile groove. The folding missile lifting lug device has the advantages that the surface of the missile is free of protrusions, accordingly, air resistance can be reduced, and the folding missile lifting lug device is favorable for high-speed flight; the radar effective reflection sectional area is reduced, so that the anti-radar performance can be improved, and the folding missile lifting lug device is simple in structure and can be used conveniently and reliably.

Description

A kind of collapsible guided missile lifting lug device

Technical field

The utility model relates to the collapsible guided missile lifting lug device of a kind of airborne missile.

Background technology

Guided missile hanger is a kind of more common firing mount switching member, has two hangers of longitudinally arranging above airborne missile, and hanger is locked on hanger, and guided missile first can be ejected hanger, then guided missile autonomous flight in the time of transmitting.What guided missile hanger adopted at present is all the fixing hanger of national military standard specified standard, guided missile is after transmitting, hanger is fixed on guided missile, has thrust on guided missile, has increased air drag, missile flight performance is exerted an influence, reduced missile flight speed, shortened guided missile voyage, and radar specular cross section is long-pending large, be easy to be caught in signal, anti-radar performance is poor.For reducing missile flight resistance, reduce radar specular cross section long-pending, the hanger above airborne missile need to be folded to withdrawal after transmitting.

Summary of the invention

In order to address the above problem, the utility model provides a kind of energy the folding collapsible guided missile lifting lug device of regaining in body groove, this collapsible guided missile lifting lug device comprises body, hanger, torsion spring, rotating shaft, bearing, leaf spring, block, nut, latch, screw and small raft, it is characterized in that: on described body, be shaped with a groove, in groove, the left and right sides is provided with two symmetrical through holes, be provided with the bearing mounting hole of two large steps in two through hole inner side, its center line is coaxial and vertical with body center line, also be provided with a pair of pin hole in the left and right sides, and be provided with an aperture at bottom land, described hanger top is shaped with suspension ring, bottom and suspension ring vertical direction are shaped with two auricles, on two auricles, be equipped with a hole, and be provided with an aperture in an auricle inside upper part, the non-plain bolt of described rotating shaft, its axle and bearing neck bush cooperation place are the cylinders with quality of fit, and require it to have certain shear strength, in described body groove, in two bearing mounting holes, bearing is all installed, in groove, block is equipped with on back side edge top, in groove, front side edge is equipped with leaf spring, between described leaf spring and body, small raft is housed, and be screwed on body, described hanger horizontal positioned is installed in body groove, its top card is on front side edge leaf spring, bottom two auricles are placed in the middle of two symmetrical bearings, on it, the endoporus of two bearings is aimed in two holes, described rotating shaft is arranged in the endoporus and auricle two holes, hanger bottom of two bearings, and cover has torsion spring therebetween, described torsion spring inserts and is fixed on inside hanger in aperture at next arm of nature, another arm inserts and is fixed in body bottom land aperture, described rotating shaft is by two nuts and fasten on bearing neck bush, described hanger is rotated up to 90 degree, be positioned on one side on the block of the interior back side edge of groove top, at this moment described torsion spring is in being turned round energy storage state, in pin hole on limit, the left and right sides in latch insertion body groove, described hanger is locked on body, in deployed condition, described latch is connected on hanger.When transmitting, hanger separates with body, and latch is transferred to, and hanger is rotation around the shaft under the torsional moment effect of torsion spring, folding withdrawal in body groove, and top card is in groove on front side edge leaf spring, and hanger is locked in body groove.

This collapsible guided missile lifting lug device, because body surface is without ridge, has reduced air drag, is conducive to high-speed flight, and radar specular cross section is long-pending reduces, and is not easy to be caught in signal, has improved anti-radar performance.After hanger launches in addition, be convenient to ground lifting and transport, after folding, be not easy to the hanger of damaging.Simple in structure, use flexible, convenient, reliable.

Brief description of the drawings

Fig. 1 is mounting structure schematic diagram of the present utility model;

Fig. 2 is the A-A cutaway view of mounting structure schematic diagram of the present utility model.

1 body in figure, 2 hangers, 3 torsion springs, 4 rotating shafts, 5 bearings, 6 leaf springs, 7 blocks, 8 nuts, 9 latches, 10 screws, 11 small rafts.

Detailed description of the invention

Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.

As shown in accompanying drawing 1,2, this collapsible guided missile lifting lug device is made up of body 1, hanger 2, torsion spring 3, rotating shaft 4, bearing 5, leaf spring 6, block 7, nut 8, latch 9, screw 10 and small raft 11.When concrete enforcement first above various members on request processing and fabricating prepare, when assembling, first in body 1 groove, in two bearings installing hole, install and fix two bearings 5, in body 1 groove, back side edge installs block 7, and install leaf spring 6 in front side edge, padded small raft 11, and with screw 10 by fixing leaf spring 6 body 1.By torsion spring 3 wherein an arm be inserted in hanger 2 inner side apertures, ensure two holes on its endoporus aligning hanger 2 bottom auricles, then hanger 2 is placed horizontally at together with torsion spring 3 in body 1 groove, under torsion spring 3 natures, another arm is inserted in body 1 bottom land aperture, and hanger 2 bottom two auricles are placed in the middle of two symmetrical bearings 5 together with torsion spring 3, ensure the endoporus of ear hanger 2 bottom auricle two holes aligning two bearings 5, its top card is on leaf spring 6, and torsion spring 3 endoporus are also aimed at the endoporus of two bearings 5 simultaneously.By rotating shaft 4 successively through after bearing 5 endoporus, hanger 2 auricle holes, bottom, torsion spring 3, another auricle hole, hanger 2 bottoms and another bearing 5 endoporus, with two nuts 8 rotating shaft 4 and fasten on bearing 5 neck bush.Hanger 2 is rotated up to 90 degree, be positioned on one side on the interior back side edge of groove top block 7, torsion spring 3 is in being turned round energy storage state, latch 9 is inserted in two pin holes of the left and right sides in body 1 groove, hanger 2 is locked on body 1, hanger 2, in deployed condition, is connected in latch 9 on hanger, and collapsible guided missile lifting lug device assembling is complete.When transmitting, hanger separates with body 1, and latch 9 is transferred to, and hanger 2 is 4 rotations around the shaft under the torsional moment effect of torsion spring 3, folding withdrawal in body 1 groove, and its top card is on leaf spring 6, and hanger 2 is locked in body 1 groove.For the folding rear reliable lock of hanger 2, can in the time that installing, hanger 2 regulate by small raft 11.

Claims (2)

1. a collapsible guided missile lifting lug device, comprise body (1), hanger (2), torsion spring (3), rotating shaft (4), bearing (5), leaf spring (6), block (7), nut (8), latch (9), screw (10) and small raft (11), it is characterized in that: described body is shaped with a groove on (1), in groove, the left and right sides is provided with two symmetrical through holes, be provided with the bearing mounting hole of two large steps in two through hole inner side, its center line is coaxial and vertical with body (1) center line, also be provided with a pair of pin hole in the left and right sides, and be provided with an aperture at bottom land, described hanger (2) top is shaped with suspension ring, bottom and suspension ring vertical direction are shaped with two auricles, on two auricles, be equipped with a hole, and be provided with an aperture in an auricle inside upper part, in described body (1) groove, in two bearing mounting holes, bearing (5) is all installed, in groove, block (7) is equipped with on back side edge top, in groove, front side edge is equipped with leaf spring (6), between described leaf spring (6) and body (1), small raft (11) is housed, and with on the fixing body (1) of screw (10), described hanger (2) horizontal positioned is installed in body (1) groove, its top card is on front side edge leaf spring (6), bottom two ears are placed in the middle of two symmetrical bearings (5), on it, the endoporus of two bearings (5) is aimed in two holes, described rotating shaft (4) is arranged in the endoporus and auricle two holes, hanger (2) bottom of two bearings (5), and cover has torsion spring (3) therebetween, described torsion spring (3) inserts and is fixed in the aperture of hanger (2) inner side at next arm of nature, another arm inserts and is fixed in body (1) bottom land aperture, described rotating shaft (4) is by two nuts (8) and fasten on bearing (5) neck bush, described hanger (2) is rotated up to 90 degree, be positioned on one side on the interior back side edge top block (7) of groove, at this moment described torsion spring (3) is in being turned round energy storage state, in pin hole on limit, the left and right sides in latch (9) insertion body (1) groove, described hanger (2) is locked on body (1), in deployed condition, described latch (9) is connected on hanger.

2. a kind of collapsible guided missile lifting lug device described in a Ju claim 1, is characterized in that: the non-plain bolt of described rotating shaft (4), its axle and bearing neck bush cooperation place are the cylinders with quality of fit, and require it to have certain shear strength.