CN107101541B - A kind of Moving ball rotor fuse delay arming device - Google Patents

A kind of Moving ball rotor fuse delay arming device Download PDF

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Publication number
CN107101541B
CN107101541B CN201710380152.2A CN201710380152A CN107101541B CN 107101541 B CN107101541 B CN 107101541B CN 201710380152 A CN201710380152 A CN 201710380152A CN 107101541 B CN107101541 B CN 107101541B
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CN
China
Prior art keywords
mounting hole
end cap
ball rotor
pedestal
rotor
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CN201710380152.2A
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Chinese (zh)
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CN107101541A (en
Inventor
刘国旗
陆静
王炅
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42CAMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/24Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
    • F42C15/26Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means using centrifugal force
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42CAMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/28Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids

Abstract

The invention discloses a kind of Moving ball rotor fuse delay arming devices, including fuze body, ball rotor, rotten concentric mechanism, split ring, recoil drag;The fuze body includes end cap and pedestal;The ball rotor is mounted in the spherical pore between end cap and pedestal;The rotten concentric mechanism includes the magnetorheological fluid in permanent magnet, shear pin and ball rotor;Third mounting hole there are two setting in fuze body, two third mounting holes are located at the two sides of spherical pore, and the centroid line of two third mounting holes is perpendicular to the axial direction of end cap;Third mounting hole upper and lower side is located in end cap and pedestal;Two permanent magnets are separately positioned on the upper end of two third mounting holes;End cap lower end is radially symmetrically arranged with two the 4th mounting holes, and the 4th mounting hole axis is communicated perpendicular to end cap axis, the 4th mounting hole with third mounting hole;Shear pin is located in the 4th mounting hole, end in contact under shear pin and permanent magnet;Magnetorheological fluid flows to target chamber by runner from storage room;Apparatus of the present invention are to extend arm time in Moving ball rotor, increase safety.

Description

A kind of Moving ball rotor fuse delay arming device
Technical field
The invention belongs to hail-proof rain-increasing bullet Fuze Technology field, especially a kind of Moving ball rotor fuse, which delays to release, to be protected Dangerous device.
Background technique
Rainless arid is one of main natural calamity in China, and rain making is to alleviate the important means of arid.It is some big Type activity such as National Day military parade needs carry out under good weather, such as encounter thunderstorm weather, and rain making can carry out rainfall in advance, Support activity is smoothly held.Hail-proof rain-increasing bullet is the main equipment that China is used to influence rain making, and annual quantity consumed is huge Greatly.
The launch environment and use environment and military use product that hail-proof rain-increasing bullet and its fuse are subjected to are essentially identical, even more For harshness.At present, the hail-proof rain-increasing bullet that China uses is largely on the basis of 37 millimeters of antiaircraft gun high explosive incendiary cartridges of PG55 formula Made of gradually improving, and the fuse category nonboresafe fuze of this bullet, bullet arming distance are too short, or even are implementing to drop Repeatedly occur bore premature accident when rain operation, causes casualties and economic loss.Therefore extend hail-proof rain-increasing bullet fuse solution Except insurance distance, the generation of safety accident is reduced, is just even more important.
Summary of the invention
The purpose of the present invention is to provide a kind of Moving ball rotor fuse delay arming devices, solve hail suppression increasing Rain bullet fuze mechanism arming distance is too short and there are problems that security risk.
The technical solution for realizing the aim of the invention is as follows:
A kind of Moving ball rotor fuse delay arming device, including fuze body, ball rotor, rotten concentric mechanism, open Choma, recoil drag;The fuze body includes end cap and pedestal;The end cap is located at the upper end of pedestal;The end cap and Spherical pore is equipped between pedestal, the half of spherical pore is located in end cap, the other half is located in pedestal;The ball rotor is spherical shape, It is mounted in spherical pore;
The rotten concentric mechanism includes the magnetorheological fluid in permanent magnet, shear pin and ball rotor;There are two being set in fuze body Third mounting hole, two third mounting holes are located at the two sides of spherical pore, and the centroid line of two third mounting holes is perpendicular to end The axial direction of lid;Third mounting hole upper and lower side is located in end cap and pedestal;Two permanent magnets are separately positioned on two third peaces Fill the upper end in hole;End cap lower end is radially symmetrically arranged with two the 4th mounting holes, the 4th mounting hole axis perpendicular to end cap axis, 4th mounting hole is communicated with third mounting hole;The shear pin is located in the 4th mounting hole, end in contact under shear pin and permanent magnet;
Cavity: storage room, target chamber is equipped with inside the ball rotor;The two sides in channel are arranged in storage room and target chamber, Storage room is located at the upper end of target chamber, and runner is equipped between storage room and target chamber.
Compared with prior art, the present invention its remarkable advantage:
(1) Moving ball rotor fuse delay arming apparatus structure of the invention is simple and compact, is suitable for small-bore Hail-proof rain-increasing bullet;
(2) Moving ball rotor fuse delay arming device of the invention is straight compared to the ball rotor in conventional apparatus Switch through just, Moving ball rotor needs just to start to become a full member after centroid position changes to a certain critical value, extends extension and releases Safe time improves the safety of ground handling operator.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is that Moving ball rotor fuse delay arming device duties of the invention handle partial sectional view.
Fig. 2 is Moving ball rotor fuse delay arming device partial top view of the invention.
Fig. 3 is Moving ball rotor fuse delay arming device partial elevation view of the invention.
Fig. 4 is Moving ball rotor fuse delay arming device partial side view of the invention.
Fig. 5 is ball rotor cross-sectional view in the present invention.
Fig. 6 is storage room, runner, target chamber and regulation room structure chart in apparatus of the present invention.
Specific embodiment
In order to illustrate technical solution of the present invention and technical purpose, with reference to the accompanying drawing and specific embodiment is the present invention It is further to introduce.
In conjunction with Fig. 1-3, a kind of Moving ball rotor fuse delay arming device of the invention, which is characterized in that packet Include fuze body, ball rotor 8, rotten concentric mechanism, split ring 4, recoil drag.
Using fuze body close to bullet side as upper end, far from bullet side be lower end;The fuze body includes end cap 2 and pedestal 3; The end cap 2 is located at the upper end of pedestal 3;The end cap 2 and pedestal 3 are cylindrical structure;The diameter of the end cap 2 is less than bottom The diameter of seat 3 is detachable structure between end cap 2 and pedestal 3;
Spherical pore is equipped between the end cap 2 and pedestal 3, the half of spherical pore is located in end cap 2, the other half is located at pedestal In 3;The ball rotor 8 is spherical shape, is mounted in spherical pore;The split ring 4 is arranged on ball rotor 8;Outside the ball rotor 8 Circle two sides are symmetrically arranged with raised 8-5, the channel 8-1 for being radially equipped with firing pin and hitting of ball rotor 8;Spherical pore is equipped with two sections of arcs Shape slot 2-3, two sections of arc groove 2-3 limit the rotation of two protrusion 8-5 about ball rotor centre of sphere central symmetry, arc groove 2-3 Position;
Further, the axial angle of the line of two protrusion 8-5 and end cap 2 is 45 degree;The axial direction of channel 8-1 and end cap 2 Angle is 75 degree;The central angle of two sections of arc groove 2-3 is 75 degree, and the 40% of one section of arc groove 2-3 of close block 5 is (on i.e. 30 degree of portion) it is located in end cap 2,60% (i.e. 45 degree of lower part) is located in pedestal 3,60% (the i.e. top 45 of another section of arc groove 2-3 Degree) it is located in end cap 2,40% (i.e. 30 degree of lower part) is located in pedestal 3;
The recoil drag includes supporting block 1, block 5, rear sit-and-sell 6 and spring 7;3 lower end of pedestal is equipped with the first peace Hole 3-2, the axial direction for being axially parallel to pedestal 3 of the first mounting hole 3-2 are filled, the first mounting hole 3-2 is located at the outside of spherical pore, the One mounting hole 3-2 is blind hole;The spring 7 is mounted in the first mounting hole 3-2;7 lower end of spring is equipped with supporting block 1, supporting block 1 It is linked with pedestal 3 by screw thread, spring 7 is supported;7 upper end of spring is equipped with rear sit-and-sell 6;In 3 intermediate radial of pedestal Equipped with the second mounting hole 3-1, the second mounting hole 3-1 is connected with arc groove 2-3 and the first mounting hole 3-2, and block 5 is mounted on In two mounting hole 3-1;Sit-and-sell 6 protrudes into the first mounting hole 3-2 under the effect of spring 7 afterwards, plays position-limiting action to block 5;Block 5 The other end gos deep into arc groove 2-3, blocks the raised 8-5 of 8 lower end of ball rotor, limits the rotation of ball rotor 8.
In conjunction with Fig. 2-4, the rotten concentric mechanism includes the magnetorheological fluid in permanent magnet 9, shear pin 10 and ball rotor 8;Draw Letter is set in vivo as rectangular third mounting hole 2-2, two third mounting hole 2-2 is located at the two sides of spherical pore there are two section, And the centroid line of two third mounting hole 2-2 is perpendicular to the axial direction of end cap 2;Third mounting hole 2-2 upper and lower side is located at end In lid 2 and pedestal 3;Two cuboid permanent magnets 9 are separately positioned on the upper end of two third mounting hole 2-2;2 lower end of end cap is radial On be symmetrically arranged with two the 4th mounting hole 2-1, the 4th mounting hole 2-1 axis perpendicular to 2 axis of end cap, the 4th mounting hole 2-1 with Third mounting hole 2-2 is communicated;The shear pin 10 is located in the 4th mounting hole 2-1, end in contact under shear pin 10 and permanent magnet 9, It plays a supportive role to permanent magnet 9.
In conjunction with Fig. 5 and Fig. 6, set inside the ball rotor 8 there are three cavity: storage room 11, target chamber 12 and regulation room 13; The two sides of channel 8-1 are arranged in storage room 11 and target chamber 12, and storage room 11 is located at the upper end of target chamber 12, storage room 11 and mesh It marks and is equipped with runner 8-2 between room 12, runner bypasses channel 8-1;Storage room 11 is equipped with injection hole 8-3, for injecting magnetorheological fluid, Venthole 8-4 is equipped between target chamber 12 and channel 8-1, for preventing having bubble generation during magnetorheological fluid flowing;It is described Regulation room 13 and storage room 11 are located at the same side of channel 8-1, and close to the raised 8-5 of 8 upper end of ball rotor, for changing ball The mass center of rotor 8, ball rotor 8 just starts to become a full member after keeping the magnetorheological fluid almost all stream in ball rotor 8 complete.
The course of work of Moving ball rotor fuse delay arming device of the invention are as follows:
Duties stage, split ring 4 block ball rotor 8, limit the rotation of ball rotor 8;Supporting block 1 is fixed on the base 3, branch 1 support spring 7 of bracer, sit-and-sell 6 after spring 7 supports, rear sit-and-sell 6 resist block 5, and block 5 stops ball rotor 8 to be become a full member;Shear pin Class solid-state is presented under the effect of permanent magnet 9 in 10 fixed permanent magnets 9, the magnetorheological fluid in ball rotor 8.
When transmitting, split ring 4 is acted on by centrifugal force and being permanently deformed, and no longer constrains the rotation of ball rotor 8;Sit-and-sell 6 is by rear afterwards Recoil acts on compressed spring 7, and rear sit-and-sell 6 is moved downward to be detached from block 5, and block 5 is acted on lower and lower end protrusion 8-5 by centrifugal force It is detached from, the rotation limitation of ball rotor 8 is eliminated;Permanent magnet 9 cuts shear pin 10 under recoil effect, in third mounting hole 2- It is moved downward in 2;Magnetorheological fluid becomes liquid no longer by the effect of permanent magnet 9 in ball rotor 8, and under the influence of centrifugal force Target chamber 12 is flowed to from storage room 11 by runner 8-2, when magnetorheological fluid almost all flows to target chamber 12, ball rotor 8 is opened Beginning becomes a full member, and after ball rotor 8 is finally become a full member, fuse is in cock.
Moving ball rotor fuse delay arming device of the invention is a part of fuse overall mechanism, in reality In such as need firing pin, nut cap part, can modify on the basis of apparatus of the present invention.Through analytical calculation, using the present invention The delay arming time of device, fuse reaches 15-40ms, improves the safety of ground handling operator.

Claims (3)

1. a kind of Moving ball rotor fuse delay arming device, which is characterized in that including fuze body, ball rotor (8), become Mass center mechanism, split ring (4), recoil drag;The fuze body includes end cap (2) and pedestal (3);End cap (2) position In the upper end of pedestal (3);Spherical pore is equipped between the end cap (2) and pedestal (3), the half of spherical pore is located in end cap (2), The other half is located in pedestal (3);The ball rotor (8) is spherical shape, is mounted in spherical pore;
The rotten concentric mechanism includes the magnetorheological fluid in permanent magnet (9), shear pin (10) and ball rotor (8);It is set in fuze body There are two third mounting hole (2-2), two third mounting holes (2-2) are located at the two sides of spherical pore, and two third mounting hole (2- 2) axial direction of the line of centroid perpendicular to end cap (2);Third mounting hole (2-2) upper and lower side is located at end cap (2) and pedestal (3) In;Two permanent magnets (9) are separately positioned on the upper end of two third mounting holes (2-2);End cap (2) lower end is radially symmetrically arranged with Two the 4th mounting holes (2-1), the 4th mounting hole (2-1) axis is perpendicular to end cap (2) axis, the 4th mounting hole (2-1) and the Three mounting holes (2-2) communicate;The shear pin (10) is located in the 4th mounting hole (2-1), under shear pin (10) and permanent magnet (9) End in contact;
Cavity: storage room (11), target chamber (12) is equipped with inside the ball rotor (8);Storage room (11) and target chamber (12) are set It sets in the two sides of channel (8-1), storage room (11) is located at the upper end of target chamber (12), between storage room (11) and target chamber (12) Equipped with runner (8-2);
The outer circle two sides of the ball rotor (8) are symmetrically arranged with raised (8-5), and ball rotor (8) is radially equipped with what firing pin was hit Channel (8-1), spherical pore are equipped with two sections of arc grooves (2-3), and two sections of arc grooves (2-3) are about ball rotor centre of sphere central symmetry;
The recoil drag includes supporting block (1), block (5), rear sit-and-sell (6) and spring (7);Pedestal (3) lower end is equipped with First mounting hole (3-2), the axial direction for being axially parallel to pedestal (3) of the first mounting hole (3-2), the first mounting hole (3-2) are located at The outside of spherical pore;The spring (7) is mounted in the first mounting hole (3-2);Spring (7) lower end is equipped with supporting block (1), to bullet Spring (7) is supported;Spring (7) upper end is equipped with rear sit-and-sell (6);Pedestal (3) intermediate radial is equipped with the second mounting hole (3- 1), the second mounting hole (3-1) is connected with arc groove (2-3) and the first mounting hole (3-2), and block (5) is mounted on the second installation In hole (3-1);Sit-and-sell (6) protrudes into the first mounting hole (3-2) under spring (7) effect afterwards, plays position-limiting action to block (5);Gear One end of block (5) is goed deep into arc groove (2-3), and the protrusion (8-5) of ball rotor (8) lower end is blocked;Ball is arranged in the split ring (4) On rotor (8).
2. Moving ball rotor fuse delay arming device as described in claim 1, which is characterized in that the ball rotor (8) it is additionally provided with regulation room (13) in, the regulation room (13) is located at the same side in channel (8-1) with storage room (11).
3. Moving ball rotor fuse delay arming device as described in claim 1, which is characterized in that the protrusion The line of (8-5) and the axial angle of end cap (2) are 45 degree;The axial angle of channel (8-1) and end cap (2) is 75 degree;Arc The central angle of slot (2-3) is 75 degree, and 30 degree of the top close to the arc groove (2-3) of block (5) side is located in end cap (2), under 45 degree of portion is located in pedestal (3), and 45 degree of the top of another section of arc groove (2-3) is located in end cap (2), and 30 degree of lower part is located at pedestal (3) in.
CN201710380152.2A 2017-05-25 2017-05-25 A kind of Moving ball rotor fuse delay arming device Active CN107101541B (en)

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Application Number Priority Date Filing Date Title
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CN109238677B (en) * 2018-09-20 2020-04-17 中北大学 Laboratory testing method for ball rotor track based on piezoelectric film
CN111272030B (en) * 2020-02-28 2020-12-08 北京理工大学 Weak environment power recoil safety mechanism
CN112461066B (en) * 2020-11-20 2021-08-24 北京理工大学 Recoverable ball type MEMS (micro-electromechanical systems) safety system applied to high-overload and high-rotation environment and method thereof
CN113405414B (en) * 2021-06-08 2022-05-20 南京理工大学 Wedge plug reverse recovery mechanism of fuse rigid recoil safety mechanism
CN115265297B (en) * 2022-08-18 2023-10-13 南京理工大学 Fuse single magnetic safety ball movement reversible safety mechanism

Citations (5)

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Publication number Priority date Publication date Assignee Title
US2966856A (en) * 1946-02-07 1961-01-03 Howard E Tatel Magnetic detonator
FR2610397A1 (en) * 1987-01-29 1988-08-05 Lacroix E Tous Artifices TEMPORARY BREAKER WITH ALL AZIMUT PERCUSSION FOR AMMUNITION FIRED BY A WEAPON, IN PARTICULAR A GRENADE
DE10341713B3 (en) * 2003-09-10 2005-06-09 Diehl Bgt Defence Gmbh & Co. Kg A rifling stabilized artillery projectile with a projectile nose, detonator, electrical generator and a decelleration device useful in military operations involving artillery
EP2071274A2 (en) * 2007-12-15 2009-06-17 JUNGHANS Microtec GmbH Safety device for a projectile fuse
CN106338224A (en) * 2016-10-27 2017-01-18 南京理工大学 Time detonating fuse of antiaircraft gun hail-suppression precipitation increasing bomb

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966856A (en) * 1946-02-07 1961-01-03 Howard E Tatel Magnetic detonator
FR2610397A1 (en) * 1987-01-29 1988-08-05 Lacroix E Tous Artifices TEMPORARY BREAKER WITH ALL AZIMUT PERCUSSION FOR AMMUNITION FIRED BY A WEAPON, IN PARTICULAR A GRENADE
DE10341713B3 (en) * 2003-09-10 2005-06-09 Diehl Bgt Defence Gmbh & Co. Kg A rifling stabilized artillery projectile with a projectile nose, detonator, electrical generator and a decelleration device useful in military operations involving artillery
EP2071274A2 (en) * 2007-12-15 2009-06-17 JUNGHANS Microtec GmbH Safety device for a projectile fuse
CN106338224A (en) * 2016-10-27 2017-01-18 南京理工大学 Time detonating fuse of antiaircraft gun hail-suppression precipitation increasing bomb

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