CN113184189A

CN113184189A - Emergency releasing device

Info

Publication number: CN113184189A
Application number: CN202110488923.6A
Authority: CN
Inventors: 赵国雍; 祝国伟; 孙增茂; 李雨时; 邓颖
Original assignee: Beijing Wutian Technology Co ltd
Current assignee: Beijing Wutian Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-07-30

Abstract

The invention provides an emergency release device, which comprises an ejection cavity with an ejection port, an elastic member arranged in the ejection cavity and used for releasing elastic force, and an ejection limiting member used for limiting the elastic member to release the elastic force, and also comprises a stay wire limiting member and a stay wire cutting member used for cutting off the stay wire limiting member, wherein one end of the stay wire limiting member is connected with the ejection limiting member, and the other end of the stay wire limiting member is connected with the ejection cavity; the emergency release device provided by the invention is triggered by non-fire attack, has low impact, no pollution and low cost, can be triggered quickly, obviously reduces the possibility of false triggering and leading triggering, and can be repeatedly used.

Description

Emergency releasing device

Technical Field

The invention belongs to the technical field of throwing devices, and particularly relates to an emergency throwing device.

Background

The projectile is a release structure emergency unlocking driving element commonly used in the field of aviation at present, in an emergency situation or when the conventional operation cannot be released, by detonating explosives inside the projectile, a pushing piston provides driving force for releasing a hook mechanism, the impact when the projectile is detonated is large, other structures are destructive, and the projectile is disposable, meanwhile, the explosives are dangerous and high in maintenance cost, in order to solve the technical problems, a mechanical ejection structure for ejecting a rotating mechanism of the hook through a mechanical device is designed, for example, Chinese patent CN207274986U discloses an ejection and throwing device which comprises an ejection cavity, an arrow body, a trigger, a spring and a pull rod, the ejection and throwing device easily generates the problems of jamming and the like, and has the risk of incapability of ejection.

Disclosure of Invention

In order to solve the technical problems, the invention provides an emergency release device which comprises a release cavity with a release port, an elastic member arranged in the release cavity and releasing elasticity to a release object, a release limiting member used for limiting the elastic member to release the elasticity, a pull line limiting member and a pull line cutting member used for cutting off the pull line limiting member, wherein one end of the pull line limiting member is connected with the release limiting member, and the other end of the pull line limiting member is connected with the release cavity.

Preferably, the stay wire cutting-off part comprises a fuse part for fusing the stay wire limiting part and elastic metal wires positioned on two sides of the stay wire limiting part, one end of each elastic metal wire is fixed in the ejection cavity, the other end of each elastic metal wire is provided with a fusing limiting part, and the fuse part penetrates through the fusing limiting part and abuts against the stay wire limiting part.

Preferably, the wire-pulling limit piece comprises a maraca wire having a diameter of 12 braids.

Preferably, the length of the ejection cavity is 60-65mm, the width is less than 20mm, and the action stroke of the elastic element is 17.3-18.5 mm.

Preferably, the stay wire limiting part further comprises a suspension rod, one end of the suspension rod is connected with the limiting part in a threaded mode, and the other end of the suspension rod is connected with the big force horse wire.

Preferably, the fuse is a nichrome wire having a diameter of 0.1mm, a length of 5mm, a resistance of 2 ohms, and the elastic member is a rectangular coil spring having a model number of UH12-60 or UH 13-60.

Preferably, the stay wire cutting-off member further comprises an insulating resin pad arranged in the ejection cavity, a screw hole is formed in the insulating resin pad, a fastening screw is screwed in the screw hole, and the fuse element is fixed on the insulating resin pad through the fastening screw.

Preferably, one end of the ejection limiting part extending into the ejection cavity is provided with a first groove for the elastic part to extend into, and the inner bottom of the first groove is provided with an end gasket.

Preferably, a sleeve sleeved outside the suspension rod is fixedly arranged in the ejection cavity, a sliding block is arranged on the inner side wall of the sleeve, and a sliding groove in sliding connection with the sliding block is arranged on the outer side wall of the suspension rod.

Preferably, the ejection cavity is movably connected with a large force horse wire support shaft, and the large force horse wire is connected with the large force horse wire support shaft.

The emergency releasing device provided by the invention has the following technical effects:

1. this emergent device of puting in adopts non-fire to attack and triggers, strikes low, pollution-free, with low costs.

2. The trigger can be triggered quickly, the possibility of false triggering and leading triggering is obviously reduced, and the trigger can be repeatedly used.

3. Any alloy wire can be released when the high-force horse-wire spring is cut off, and the reliability is improved.

4. The design of the outline ensures that the applicability of the application space is very high; the device has high and low temperature resistance and bearing capacity, and can be replaced on various bearing devices according to different ejection requirements.

Drawings

Fig. 1 is a schematic diagram of the internal structure of an emergency release device;

fig. 2 is a schematic diagram of the internal structure of the emergency release device;

fig. 3 is a schematic diagram of the internal structure of the emergency release device;

fig. 4 is a schematic diagram of the internal structure of the emergency release device.

Detailed Description

In some embodiments, as shown in fig. 1, a schematic diagram of an internal structure of an emergency release device is shown, the emergency release device includes an ejection cavity with an ejection opening, an elastic member 4 disposed in the ejection cavity for releasing an elastic force, an ejection limiting member 2 for limiting the elastic member 4 from releasing the elastic force, the emergency release device further includes a pull line limiting member and a pull line cutting member for cutting the pull line limiting member, one end of the pull line limiting member is connected to the ejection limiting member 2, and the other end is connected to the ejection cavity, wherein the ejection cavity may be a housing with openings at both ends, or another structure for accommodating the elastic member, the ejection cavity is preferably cylindrical, or may be another shape, such as a rectangular parallelepiped, the ejection limiting member 2 may be a circular sheet type, a cylindrical type, or another shape, preferably an end cap illustrated in fig. 1, in this embodiment, the ejection cavity includes an ejection cavity body 1 and a tail end cap 3, one section of the ejection cavity is provided with an ejection outlet, the other end of the ejection cavity is provided with an opening, the tail end cover is arranged at the opening, of course, the ejection cavity can also be integrated, the pull wire limiting part is fixed in the tail end cover, the elastic part 4 is a rectangular spiral spring, and the model of the rectangular spiral spring is UH12-60 or UH 13-60.

The pull-wire cutter in this embodiment may be any device capable of cutting a pull wire; the working principle is as follows: during the use, be fixed in the emergent dispensing device of whole dual fail-safe on the suspension dispensing system (couple) of helicopter, the emergent dispensing device of dual fail-safe and the fixed connection mode of suspension dispensing system can be for the welding, through bolted connection or other implementable modes, hang the article that needs the input such as ammunition or goods and materials on the couple, will launch the rotary mechanism that the locating part aimed at suspension dispensing system, rectangular coil spring holds through strong horse line 6, when needs start emergent dispensing device, the operation is acted as go-between cutting member, the locating part that acts as go-between is cut off by the cutting member that acts as go-between, rectangular coil spring pops out after losing the pulling force of strong horse line, drive and launch the locating part and pop out, trigger the rotary mechanism of suspension dispensing system, the couple is opened, release the article that need put in.

In some embodiments, the stay wire limiting part comprises a high-force spring wire 6, the diameter of the stay wire limiting part is 12 weaved, the length of the ejection cavity is 60-65mm, the width is less than 20mm, and the action stroke of the elastic part 4 is 17.3-18.5 mm.

In some embodiments, as shown in fig. 1, the stay wire limiting member further includes a suspension rod 5, one end of the suspension rod 5 is connected with the ejection limiting member 2 by a screw thread, and the other end is connected with the large force motor wire 6; through setting up the polished rod and launching locating part threaded connection, can adjust the size of pre-pressure and launch the position of locating part through rotatory launch locating part.

In some embodiments, as shown in fig. 2, which shows an internal structural schematic diagram of the emergency release device, the wire cutting member includes a fuse 12 for fusing a wire limiting member, the fuse 12 is a nichrome wire, the diameter of the nichrome wire is 0.1mm, the length of the nichrome wire is 5mm, the resistance of the nichrome wire is 2 ohms, and two ends of the nichrome wire are respectively connected to the positive power lead 10 and the negative power lead 11. The power supply positive lead, the power supply negative lead and the nichrome wire are respectively provided with two sets, namely two nichrome wires are pasted on the heavy horse wire, meanwhile, two power supply negative leads and two power supply positive leads extend out of the ejection cavity, the connection mode of the nichrome wires and the power supply positive leads and the power supply negative leads is that special connector lug equipment such as electric iron welding and the like is used for connection, when the heavy horse wire ejection device is used, the two sets of power supply positive leads and the power supply negative leads are electrified, any nichrome wire can release the heavy horse wire fusing rectangular spiral spring, and then materials or ammunition and other articles needing to be thrown are thrown, so that the double-insurance effect is achieved; according to the working principle, the positive lead and the negative lead are connected with the nichrome wire, the nichrome wire is in contact with the powerful bridle, when the hook cannot be opened due to an accident, the two sets of power positive leads and the two sets of power negative leads can be electrified simultaneously in the engine room, the two sets of power positive leads and the two sets of power negative leads are connected into the engine room, the nichrome wire is rapidly heated after being electrified, the powerful bridle wire in contact with the power positive leads and the power negative leads is fused, and then the rectangular spiral spring is popped up.

In some embodiments, as shown in fig. 2, the wire cutting member further includes an insulating resin pad 8 disposed in the ejection cavity, the insulating resin pad 8 is provided with a screw hole, a fastening screw 9 is screwed in the screw hole, the fuse member is fixed on the insulating resin pad 8 through the fastening screw 9, two ends of the fuse member are respectively connected with a power positive lead 10 and a power negative lead 11 after being fixed by the two fastening screws 9, and the other ends of the power positive lead 10 and the power negative lead 11 extend out of the tail end cover 3. Preferably, the number of the insulating resin pads is 2, and each of the insulating resin pads is provided with two screw holes and two fastening screws.

In some embodiments, the ejection cavity is movably connected with a high-force horse wire supporting shaft 7, and the high-force horse wire 6 is connected with the high-force horse wire supporting shaft 7.

In some embodiments, as shown in fig. 3, which shows an internal structural schematic diagram of the emergency release device, the pull-wire cutting member includes a fuse 12 for fusing the large force horse wire 6 and elastic metal wires 13 located at two sides of the large force horse wire 6, one end of each elastic metal wire 13 is fixed in the ejection cavity, the other end of each elastic metal wire 13 is provided with a fuse limiting member, the fuse 12 passes through the fuse limiting member and abuts against the pull-wire limiting member, wherein one end of each elastic metal wire 13 is fixed in the ejection cavity through two fastening screws 9, each fuse limiting member is a threading ring 14 arranged at the other end of each elastic metal wire, a connecting wire passing through the axis of the coil 14 passes through the pull-wire limiting member, and a nichrome wire passes through two threading rings 14 and abuts against the pull-wire limiting member; this embodiment with elastic metal wire set up in with the afterbody end cover in, this embodiment is through setting up two wire, play limiting displacement, the nichrome silk is closely leaned on powerful maleic line by two elastic wire guides, in order to ensure to sever powerful maleic line when heating, avoid under long-term the saving, powerful maleic line and the separation of nichrome silk, can't play the effect of the powerful maleic line of fusing after the circular telegram, this one end both sides respectively have a same nichrome silk in order to improve the reliability. Any wire cut high force horse wire spring will be released.

In some embodiments, as shown in fig. 4, which shows an internal structural schematic diagram of the emergency release device, a through hole 15 is formed at one end of the suspension rod 5 away from the ejection limiting member 2, and the bracing wire limiting member passes through the through hole 15 to be fixedly connected with the big guy wire supporting shaft 7; the tail end cover 3 is provided with two through holes 16, and the big force guy supporting shaft 7 penetrates through the two through holes 16 and is movably connected with the tail end cover 3; a first groove 17 for a rectangular spiral spring to extend into is formed in one end in the ejection cavity body 1, an end gasket 23 is arranged at the inner bottom of the first groove 17, a second groove 18 for a suspension rod 5 to extend into is further formed in one end, extending into the ejection cavity body 1, of the ejection limiting part 2, internal threads are formed in the second groove 18, and external threads are formed in one end, extending into the second groove 18, of the suspension rod 5; a circular ring blocking piece 19 extends inwards from one end, close to the tail end cover 3, of the ejection cavity body 1, a sleeve 20 extends from the circular ring blocking piece 19 to one end of the ejection limiting piece 2, the rectangular spiral spring extends into a space formed by the ejection cavity body 1, the circular ring blocking piece 19 and the sleeve 20, and the suspension rod 5 is located in the sleeve 20; a sliding block 21 is arranged at one end, close to the ejection limiting part 2, of the inner side wall of the sleeve 20, and a sliding groove 22 in sliding connection with the sliding block 21 is arranged at one end, far away from the ejection limiting part 2, of the suspension rod 5; can pass 6 with the horse line of energetically getting through the line hole through setting up the line hole again with the horse line of energetically getting through and prop the hub connection, through setting up two through-holes, can prop axle and afterbody end cover swing joint with the horse line of energetically getting through, first recess is used for spacing rectangular coil spring, the second recess is used for injecing the position of hanging stick simultaneously and is used for being fixed with the hanging stick with launching the locating part, ring separation blade and sleeve also are used for injecing the position of hanging stick, slider and spout are used for solving, when will hanging stick twist and launch the locating part, the hanging stick rotates together with launching the locating part, and the problem that can't connect.

Therefore, the invention is not limited to the specific embodiments and examples, but rather, all equivalent variations and modifications are within the scope of the invention as defined in the claims and the specification.

Claims

1. The utility model provides an emergent device of puting in, emergent device of puting in including have the chamber of launching of bullet export, set up in launch the intracavity and be used for releasing elastic member (4), be used for the restriction elastic member (4) release elastic ejection locating part (2), its characterized in that, emergent device of puting in still including acting as go-between locating part and being used for cutting off act as go-between cutting off part of locating part, act as go-between locating part one end with launch locating part (2) and connect, the other end with launch the chamber and connect.

2. An emergency drop device according to claim 1, wherein the pull line stop comprises a mare line (6), the mare line (6) having a diameter of 12 braids.

3. The emergency release device according to claim 2, wherein the pull-wire cutting member comprises a fuse member (12) for fusing the high-force harness (6) and elastic wires (13) disposed at two sides of the high-force harness (6), one end of the elastic wires (13) is fixed in the ejection cavity, and the other end of the elastic wires is provided with a fuse limiting member, and the fuse member (12) passes through the fuse limiting member and abuts against the pull-wire limiting member.

4. An emergency release device according to claim 3, wherein the stay wire limit stop further comprises a suspension rod (5), one end of the suspension rod (5) being in threaded connection with the ejection limit stop (2) and the other end being in connection with the high force horse wire (6).

5. An emergency release device according to claim 1, wherein the ejection chamber has a length of 60-65mm, a width of less than 20mm, and an action stroke of the elastic element (4) of 17.3-18.5 mm.

6. The emergency release device according to claim 2, wherein the fuse element (12) is a nichrome wire having a diameter of 0.1mm, a length of 5mm and a resistance of 2 ohms, and the elastic element (4) is a rectangular coil spring of the type UH12-60 or UH 13-60.

7. The emergency release device according to claim 2, wherein the cable cutting member further comprises an insulating resin pad (8) disposed in the ejection chamber, the insulating resin pad (8) is provided with a screw hole, a fastening screw (9) is screwed into the screw hole, and the fuse member (12) is fixed to the insulating resin pad (8) by the fastening screw (9).

8. The emergency release device according to claim 1, wherein the end of the ejection limiting member (2) extending into the ejection cavity (1) is provided with a first groove (17) into which the elastic member (4) extends, and the inner bottom of the first groove (17) is provided with a tip gasket (23).

9. The emergency release device according to claim 4, wherein a sleeve (20) is fixedly arranged in the ejection cavity (1) and sleeved outside the suspension rod (5), a slide block (21) is arranged on the inner side wall of the sleeve (20), and a sliding groove (22) in sliding connection with the slide block (21) is arranged on the outer side wall of the suspension rod (5).

10. An emergency release device according to claim 3, wherein a high force harness support shaft (7) is movably connected to the ejection chamber, and the high force harness (6) is connected to the high force harness support shaft (7).