CN204461248U - A kind of interrupter mechanism - Google Patents

A kind of interrupter mechanism Download PDF

Info

Publication number
CN204461248U
CN204461248U CN201520109451.9U CN201520109451U CN204461248U CN 204461248 U CN204461248 U CN 204461248U CN 201520109451 U CN201520109451 U CN 201520109451U CN 204461248 U CN204461248 U CN 204461248U
Authority
CN
China
Prior art keywords
spring
dividing plate
shaped dividing
shaped
isolation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520109451.9U
Other languages
Chinese (zh)
Inventor
李响
梅江涛
陈亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Original Assignee
Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd filed Critical Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Priority to CN201520109451.9U priority Critical patent/CN204461248U/en
Application granted granted Critical
Publication of CN204461248U publication Critical patent/CN204461248U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Air Bags (AREA)

Abstract

The utility model discloses a kind of interrupter mechanism, comprise framework and be installed on the first U-shaped dividing plate, the second U-shaped dividing plate, the first spring and the second spring in framework, two springs are two-way shape memory alloy material; First spring longitudinally places the U-shaped dividing plate of connection first; Second spring laterally places the U-shaped dividing plate of connection second; Under two spring compression force effects, the notch of two dividing plates relatively and the setting-in that misplaces be integrated, realize fuse isolation; The second, when the first spring is successively energized, the retraction force first produced by the second spring pulls the second U-shaped dividing plate transverse shifting, and the retraction force secondly produced by the first spring pulls the first U-shaped division board to vertically move, and demilitarize is isolated; When first, second spring is successively disconnected, first, second U-shaped division board first, after be reset to fuse isolation.The utility model realizes removing the reliable conversion between isolation and isolation, solves the problem that existing interrupter mechanism restorability is poor, safety coefficient is low.

Description

A kind of interrupter mechanism
Technical field
The utility model belongs to Fuze Technology field, is specifically related to a kind of interrupter mechanism.
Background technology
The effect of interrupter be make responsive firer's element in Explosive sequence at ordinary times with next stage firer element separation, ensure that fuse is misfired when the accidental preact of its priming system, thus avoid ammunition premature burst so that jeopardize the safety of personnel and equipment.When moving to certain safe distance after arm discharge, interrupter should be able to remove isolation, to make Explosive sequence conducting.
The interrupter basic exercise form of current fuse has slides and rotates, and the element of driving isolation mechanism kinematic has stepper motor, propellant actuated device etc.Due to the complexity of environment on bullet, cause interrupter surprisingly to remove isolation sometimes, security is poor.And the interrupter on current fuse generally only has the function being converted to the unidirectional conversion removing isolation by isolation, do not possess the function being returned to isolation by releasing isolation.
The security of fuse relates to the demonstration of fuse, design, manufacture, inspection and acceptance, test, duties process, the life cycle management such as use and explosive disposal.In order to improve security, effectively reducing the injures and deaths of innocent people and embodying humanistic design, expect safety period fuse life-cycle only to interacting goals effective short-term/space in be in arm-to-arm, be safe condition in all the other situations.Therefore, from missile armament life-cycle security standpoint, need fuse can return to safe condition by arm-to-arm rapidly when attacking and occurring abnormal.Such as, in fuse detection at ordinary times or process of the test, once after occurring that the safety position of fuse is removed, need fuse to return to safety position, in the fuse process of reverse dismounting arming, its handling safety risk is very high.
Therefore, research makes the interrupter of fuse have by isolation and the function removing conversion mutually between isolation, improves the security of fuse, has become the future developing trend of interrupter mechanism.
Although interrupter can be made to return to isolation by removing isolation based on stepper motor reverse movement, this driving mechanism complicated in mechanical structure, expensive, limit its application in fuse.Zhu Shan, hero Lee describe in a literary composition when " safe condition continuing motion based on slide block can recover flame-proof mechanism " and utilize slide block to continue motion to realize ammunition and make fuse return to safe condition by arm-to-arm when attacking and occurring abnormal, its implementation is divided into low thickness schemes and minor diameter scheme, although can solve the safe condition restorability problem of interrupter, this mechanism truly can realize state can recover completely.
Utility model content
The utility model provides a kind of interrupter mechanism, its object is to, the driving force produced by the two vertical springs placed successively power on/off and compression stress are unlocked and lock two dividing plates, realize thus removing the reliable conversion between isolation and isolation, solve the problem that existing interrupter mechanism restorability is poor, safety coefficient is low.
A kind of interrupter mechanism, comprise framework, also comprise the first U-shaped dividing plate be installed in framework, the second U-shaped dividing plate, the first spring and the second spring, the first spring and the second spring are two-way shape memory alloy material;
First spring is longitudinally placed, and its one end connects the upper surface of the first U-shaped dividing plate, other end external wire; Second spring is laterally placed, and its one end connects the side of the second U-shaped dividing plate, other end external wire; Under the compression force of first and second spring, the first U-shaped dividing plate and misplace setting-in relative with the notch of the second U-shaped dividing plate is integrated, and is barred between fuze detonator and lead explosive, realizes fuse isolation;
The second, when the first spring is successively energized, first the retraction force produced by the second spring pulls the second locking of U-shaped dividing plate transverse shifting releasing to the first U-shaped dividing plate, secondly the retraction force produced by the first spring pulls the first U-shaped division board to vertically move, the isolation between demilitarize detonator and lead explosive; During the successively power-off of first, second spring, first, second U-shaped division board first, after be reset to fuse isolation.
Further, described framework has longitudinally guiding groove and laterally steering groove, be respectively used to the motion guide to the first U-shaped dividing plate and the second U-shaped dividing plate.
Advantageous Effects of the present utility model is embodied in:
The utility model interrupter mechanism, responsive firer's element (as detonator or igniter cap) in Explosive sequence is isolated with next stage firer element (as primer) at ordinary times, ensure that fuse is misfired when detonator or the accidental preact of igniter cap, thus avoid ammunition premature burst so that jeopardize the safety of personnel and equipment.When moving to certain safe distance after arm discharge, interrupter removes isolation, makes Explosive sequence conducting.When occur abnormal conditions or other need to make interrupter by remove isolation return to isolation time, application the utility model can realize reliably recovering.
The installation direction of two springs is mutually vertical, setting like this, two dividing plates can be locked by two springs respectively reliably, in duties processing procedure, the spring that slight vibration or impact energy all can be in compressive state (decrement recommends 5% ~ 10%) absorbs, and two dividing plates can not be caused surprisingly to depart from mutual locking.When interrupter needs to remove isolation, be first that after the spring energising of laterally placing, retraction pulls the dividing plate be attached thereto to move, and removes the locking to another dividing plate; Spring energising retraction again by longitudinally placing pulls the dividing plate be attached thereto to move, and demilitarize is isolated.Due to the state that two dividing plates are mutually locked, a dividing plate hinders the motion of another dividing plate.Therefore, when interrupter needs to remove isolation, must could remove isolation by above-mentioned sequential movements of specifying, so just substantially increase the security of interrupter.
The utility model have state can recover, can repeatedly detect, move there is succession, security is high, structure is simple, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the utility model isolation structure chart;
Fig. 2 is that the utility model removes isolation structure chart;
The structural representation that Fig. 3 (a) applies in fuse for the utility model, Fig. 3 (b) is the sectional view of Fig. 3 (a) half-twist.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
Specific embodiment 1:
As shown in Figure 1, this example comprises the first U-shaped dividing plate 1, second U-shaped dividing plate 2, first spring 3, second spring 4 and framework 5.The first spring 3, first U-shaped dividing plate 1, second U-shaped dividing plate 2 and the second spring 4 is equiped with in described framework 5.
The round trip CuZnAl shape memory alloy material that described first spring 3 and the second spring 4 all adopt high temperature to shorten.First spring 3 is longitudinally placed, and its upper/lower terminal respectively screw thread is fixed in the respective screw hole of framework 5 and the first U-shaped dividing plate 1 upper surface; Second spring 4 is laterally placed, and its left and right two ends respectively screw thread are fixed in the respective screw hole of framework 5 and the second U-shaped dividing plate 2 side.When first spring 3 and the second spring 4 are arranged on the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 respectively, decrement all 5%, one end that the first spring 3 is fixing with framework 5 and the second spring 4 one end respectively external wire fixing with framework 5.
On described framework 5, U-shaped dividing plate 1 and the second U-shaped dividing plate 2 joint have vertical and horizontal gathering sill with first, 1mm in the gathering sill that first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 all stretch into framework 5, setting like this, makes the motion guide of the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 better.
When interrupter needs to remove isolation, only have and could remove isolation in the following order: the second spring 4 is by after the wire energising of end, due to the round trip CuZnAl shape memory alloy material that the second spring 4 shortens for high temperature, after electrified regulation, the second spring 4 is retracted, pull the second U-shaped dividing plate 2 that screw thread is fixing with it to move, the locking to the first U-shaped dividing plate 1 removed by the second U-shaped dividing plate 2; After being energized to the first spring 3 by the wire of the first spring 3 end again, because the first spring 3 is also the round trip CuZnAl shape memory alloy material of high temperature shortening, after electrified regulation, the first spring 3 is retracted, the first U-shaped dividing plate 1 that screw thread is fixing is with it pulled to move, after such first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 all move and put in place, interrupter just removes isolation.
If interrupter is the first electrified regulation of the first spring 3, the first spring 3 now after electrified regulation is retracted, the first U-shaped dividing plate 1 that screw thread is fixing with it should be pulled to move, but because the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 are mutually locked state, the second U-shaped dividing plate 2 hinders the motion of the first U-shaped dividing plate 1.Therefore, when interrupter needs to remove isolation, isolation must be removed by athleticism in sequence.So just substantially increase the security at ordinary times of interrupter.
Accordingly, when interrupter needs to return to isolation by releasing isolation, only have and could return to isolation completely in the following order: first to the first spring 3 power-off, after first spring 3 power-off cooling, return to former length by shortening state during high temperature, promote the first U-shaped dividing plate 1 that screw thread is fixing with it and move; Again by the second spring 4 power-off, after second spring 4 power-off cooling, former length is returned to by shortening state during high temperature, promote the second U-shaped dividing plate 2 that screw thread is fixing with it to move, after such first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 all move and put in place, first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 lock again mutually, and interrupter just returns to isolation by releasing isolation.
If when interrupter needs to return to isolation by releasing isolation, be the first power-off of the second spring 4, now the second spring 4 power-off cooling return to former long time, the second U-shaped dividing plate 2 promoting screw thread with it fixing moves; Again by the first spring 3 power-off, now the first spring 3 power-off cooling return to former long time, first U-shaped dividing plate 1 motion that should promote screw thread with it fixing puts in place; But because the second U-shaped dividing plate 2 should put in place through first motion, the motion hindering the first U-shaped dividing plate 1 puts in place.Therefore, when interrupter needs to return to isolation by releasing isolation, isolation must be returned to by athleticism in sequence.So just substantially increase the Reliability of Microprocessor of interrupter, under preventing fortuitous event, interrupter returns to isolation by removing isolation, causes the responsive firer's element in Explosive sequence can not reliable initiation next stage firer element.
As shown in Figure 3, the utility model and detonator 6, housing 7, pressing plate 8, lead explosive 9 and booster gains 10 are assembled into a typical fuze interrupter mechanism.In housing 7, interrupter by time flat for the responsive firer's element detonator 6 in fuse and next stage firer element lead explosive 9 isolate, ensure that fuse also can not cause lead explosive 9 and booster gains 10 to be got angry when the accidental preact of detonator 6, thus avoid fuse premature burst consequently to jeopardize the safety of personnel and equipment.When moving to certain safe distance after arm discharge, be energized to interrupter order, remove the mutual locking of the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2, the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 are separated from each other, the Explosive sequence conducting between detonator 6 and lead explosive 9.
Specific embodiment 2:
In the present embodiment, except described first spring 3 and the second spring 4 be arranged on respectively on the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 time, decrement is all 10%, and the first spring 3 is mutually vertical with the installation direction of the second spring 4.And dividing plate 1 U-shaped with first and the corresponding position of the second U-shaped dividing plate 2 have vertical and horizontal gathering sill on described framework 5, in the gathering sill that the first U-shaped dividing plate 1 and the second U-shaped dividing plate 2 all stretch into framework 5 outside 3mm.Other composition is identical with specific embodiment 1 with annexation.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (2)

1. an interrupter mechanism, comprises framework, it is characterized in that, also comprise the first U-shaped dividing plate be installed in framework, the second U-shaped dividing plate, the first spring and the second spring, the first spring and the second spring are two-way shape memory alloy material;
First spring is longitudinally placed, and its one end connects the upper surface of the first U-shaped dividing plate, other end external wire; Second spring is laterally placed, and its one end connects the side of the second U-shaped dividing plate, other end external wire; Under the compression force of first and second spring, the first U-shaped dividing plate and misplace setting-in relative with the notch of the second U-shaped dividing plate is integrated, and is barred between fuze detonator and lead explosive, realizes fuse isolation;
The second, when the first spring elder generation, rear energising, first the retraction force produced by the second spring pulls the second locking of U-shaped dividing plate transverse shifting releasing to the first U-shaped dividing plate, secondly the retraction force produced by the first spring pulls the first U-shaped division board to vertically move, the isolation between demilitarize detonator and lead explosive; First, second spring first, rear disconnected time, first, second U-shaped division board first, after be reset to fuse isolation.
2. interrupter mechanism according to claim 1, is characterized in that, described framework has longitudinally guiding groove and laterally steering groove, is respectively used to the motion guide to the first U-shaped dividing plate and the second U-shaped dividing plate.
CN201520109451.9U 2015-02-13 2015-02-13 A kind of interrupter mechanism Withdrawn - After Issue CN204461248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520109451.9U CN204461248U (en) 2015-02-13 2015-02-13 A kind of interrupter mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520109451.9U CN204461248U (en) 2015-02-13 2015-02-13 A kind of interrupter mechanism

Publications (1)

Publication Number Publication Date
CN204461248U true CN204461248U (en) 2015-07-08

Family

ID=53668121

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520109451.9U Withdrawn - After Issue CN204461248U (en) 2015-02-13 2015-02-13 A kind of interrupter mechanism

Country Status (1)

Country Link
CN (1) CN204461248U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104677204A (en) * 2015-02-13 2015-06-03 湖北三江航天红林探控有限公司 Fuze isolation mechanism
CN107121034A (en) * 2017-06-27 2017-09-01 湖北三江航天红林探控有限公司 One kind hot melt alloy inertia composite rotors formula interrupter
CN107121033A (en) * 2017-06-27 2017-09-01 湖北三江航天红林探控有限公司 A kind of electromagnet inertia composite rotors formula interrupter
CN107144188A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of electromagnetic confinement formula interrupter based on inertia
CN107144187A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of gunpowder inertia composite rotors formula interrupter
CN107144185A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of memorial alloy inertia composite rotors formula interrupter
CN107144186A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of memorial alloy constraint formula interrupter based on inertia
CN107152897A (en) * 2017-06-27 2017-09-12 湖北三江航天红林探控有限公司 A kind of inertial drive rotator type interrupter
CN115628652A (en) * 2022-12-23 2023-01-20 山西北方机械制造有限责任公司 Two-way switching type fuse security mechanism based on electric drive

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104677204A (en) * 2015-02-13 2015-06-03 湖北三江航天红林探控有限公司 Fuze isolation mechanism
CN107121034A (en) * 2017-06-27 2017-09-01 湖北三江航天红林探控有限公司 One kind hot melt alloy inertia composite rotors formula interrupter
CN107121033A (en) * 2017-06-27 2017-09-01 湖北三江航天红林探控有限公司 A kind of electromagnet inertia composite rotors formula interrupter
CN107144188A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of electromagnetic confinement formula interrupter based on inertia
CN107144187A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of gunpowder inertia composite rotors formula interrupter
CN107144185A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of memorial alloy inertia composite rotors formula interrupter
CN107144186A (en) * 2017-06-27 2017-09-08 湖北三江航天红林探控有限公司 A kind of memorial alloy constraint formula interrupter based on inertia
CN107152897A (en) * 2017-06-27 2017-09-12 湖北三江航天红林探控有限公司 A kind of inertial drive rotator type interrupter
CN107121034B (en) * 2017-06-27 2018-06-26 湖北三江航天红林探控有限公司 A kind of hot melt alloy inertia composite rotors formula interrupter
CN107121033B (en) * 2017-06-27 2018-06-26 湖北三江航天红林探控有限公司 A kind of electromagnet inertia composite rotors formula interrupter
CN107144187B (en) * 2017-06-27 2018-11-16 湖北三江航天红林探控有限公司 A kind of gunpowder inertia composite rotors formula interrupter
CN107144185B (en) * 2017-06-27 2018-12-25 湖北三江航天红林探控有限公司 A kind of memorial alloy inertia composite rotors formula interrupter
CN115628652A (en) * 2022-12-23 2023-01-20 山西北方机械制造有限责任公司 Two-way switching type fuse security mechanism based on electric drive

Similar Documents

Publication Publication Date Title
CN104677204B (en) A kind of interrupter mechanism
CN204461248U (en) A kind of interrupter mechanism
CN110132074B (en) Recoverable electromagnetic MEMS safety system applied to ammunition and implementation method thereof
CN105157490B (en) A kind of microcomputer electrical fuze safety protection device
CN105783615B (en) A kind of fuse security mechanism with the insurance of two-stage marmem and fuse
CN105466289B (en) Renewable type sliding block flame-proof mechanism
US8869700B2 (en) Impulse-based compact mechanical G-switch with modular design
DE19732650B4 (en) loop isolator
Lucy et al. Report on alternative devices to pyrotechnics on spacecraft
US2887056A (en) Contactor device for a projectile with electric ignition
CN109425269A (en) A kind of fuse electronic security(ELSEC) orientation multipoint priming control circuit
CN114184098A (en) Electromagnetically-driven nested resettable MEMS safety system and implementation method thereof
RU2413176C1 (en) Safety-and-arming fuse mechanism
CN216348112U (en) Gun shooting fuse mechanism
US2655867A (en) Fuze
CN213543365U (en) Novel fuse safety device
RU2457430C1 (en) Detonating fuse protection and commutation device
DK3129743T3 (en) ARRANGEMENT BLOCKING ARRANGEMENT
US3618527A (en) Safety and arming device
CN112880492B (en) Switch for overload starting of gun shooting recoil and working method thereof
CN103256871A (en) Centrifugal safety mechanism of fire extinguishing bomb fuze
CN105764572B (en) Chemical oxygen generator with compact ignition system that can be used in an aircraft
DE3421572C2 (en) Safety device for detonators of small missile warheads
US10234254B2 (en) Mechanical inertial igniters for reserve batteries and the like for munitions
CN107270788A (en) A kind of contact fuze of sensor redundancy formula design

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150708

Effective date of abandoning: 20160622

C25 Abandonment of patent right or utility model to avoid double patenting