CN102735118B - Electric pin pusher for fuse capable of pushing safety pin to move - Google Patents
Electric pin pusher for fuse capable of pushing safety pin to move Download PDFInfo
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- CN102735118B CN102735118B CN201210225979.3A CN201210225979A CN102735118B CN 102735118 B CN102735118 B CN 102735118B CN 201210225979 A CN201210225979 A CN 201210225979A CN 102735118 B CN102735118 B CN 102735118B
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- electric
- promotional implement
- fuse
- safety plug
- bellows
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Abstract
The invention discloses an electric pin pusher for a fuse capable of pushing a safety pin to move and relates to an execution mechanism for releasing an electromechanical safety system of the fuse, belonging to the field of electromechanical fuses. The electric pin pusher comprises a corrugated pipe, a sheath, a charge cap, main charge, ignition charge, a bridge wire, a plug, tin and lead solder and conducting wires. The corrugated pipe has a good sealing performance. The front half part of the corrugated pipe is wrinkled, the internal part of the front half part is a cavity, and when the internal pressure of the cavity is increased, the wrinkled part of the corrugated pipe is pulled flat to enable a shell of the corrugated pipe to be elongated along an arc direction; and the sheath is arranged in the inner layer of the rear half part of the corrugated pipe, the inner layer of the sheath is the charge cap, and the main charge and the ignition charge are filled into one end of the charge cap adjacent to the wrinkled corrugated pipe. The invention provides the electric pin pusher which is used for pushing the safety pin in the fuse safety system to move linearly to release a mechanical safety device. For weapon systems such as ammunition and loitering units which cannot generate ambient excitation, the applicability of the electric pin pusher provided by the invention is very high.
Description
Technical field
The present invention relates to a kind of electric promotional implement, thereby particularly a kind ofly for Fuze Safety System, promote safety plug rectilinear motion and remove the electric promotional implement of machine insurance, belong to Fuze Technology field.
Background technology
Security system (insurance institution, flame-proof mechanism) is the indispensable part of fuse.At ordinary times, insurance institution makes to get angry control system in insensitive or off position, and flame-proof mechanism cuts off propagation of explosion sequence.After ammunition transmitting, on certain point of trajectory, fuse can be changed and finally enter arm-to-arm to arm-to-arm by safety position, and in this process, fuse utilizes environmental forces information or the signal of telecommunication to make insurance institution's arming, flame-proof mechanism align propagation of explosion sequence.
The security system of fuse is generally divided into safety mechanical system, electromechanical security system, electronic safety system.What fuse arming relied on conventionally is the environmental excitation that fuse produces in motion process, and environmental excitation comprises the thrust of recoil, centrifugal force, fricative heat, air-flow etc.Take U.S. M52A1 nosefuze security system as example, it is to utilize the recoil producing after shell transmitting to carry out the locking of arming pin to rotating disk, and relies on spring promotion rotating disk to realize aligning of propagation of explosion sequence.
Thereby invent and a kind ofly for Fuze Safety System, promote safety plug motion and remove the electric promotional implement of machine insurance and be extremely necessary.This electricity promotional implement utilization and the suffered environmental excitation of the fuse completely independently signal of telecommunication move, and use this type of electric promotional implement can greatly improve the flexibility of Fuze Safety System design.Particularly for the weapon that can not produce the excitation of above-mentioned proper environment, for example some ammunition, patrol the security system that flies the fuses used such as device, the present invention has very large applicability.
Summary of the invention
Thereby the technical problem to be solved in the present invention is to provide a kind of electric promotional implement that promotes safety plug rectilinear motion releasing machine insurance for Fuze Safety System, utilize described electric promotional implement can produce the excitation for Fuze Safety System arming, the straight-line environmental excitation of the needed promotion safety plug of arming in the alternative Fuze Safety System of described excitation.
The object of the invention is to be achieved through the following technical solutions:
A kind of fuse comprises bellows, sheath, powder charge cap, main charge, ignition medicine, bridge silk, connector, tin lead welding tin, wire with the electric promotional implement that promotes safety plug motion.Described bellows has good sealing property, and first half is accordion, and inside is cavity, and described bellows is selected has sufficient intensity and ductility, and good seal performance and cavity inside can bear the bellows that maintains high pressure conditions; Cavity inside pressure increases evens up the fold part that makes bellows, and the housing of bellows is extended along circular arc direction; The internal layer of bellows latter half is provided with sheath, the internal layer of sheath is powder charge cap, powder charge cap is filled with main charge and gets angry medicine near one end of corrugated bellows, the other end is provided with connector, wire is through connector, and one end of two wires is communicated with by bridge silk, and bridge silk is provided with ignition medicine around, the medicine of getting angry is provided with main charge around, and described main charge is for generation of the gas that the cavity inside pressure of bellows is increased.Tin lead welding tin is placed in electric promotional implement end and connects sealing.
A kind of fuse is to be fixed on electric promotional implement fixed head by base with the electric promotional implement that promotes safety plug motion, and safety plug is enclosed within electric promotional implement top, and safety plug limits dial rotation by injecting in rotating disk.
A kind of fuse by the course of work of the electric promotional implement that promotes safety plug motion is: a kind of fuse is that the signal of telecommunication providing by fuse carries out work with the electric promotional implement that promotes safety plug motion, when the external environment of fuse perception reaches solution guarantor condition, just give electric promotional implement output time break, control arming circuit electric promotional implement is discharged, thereby make electric promotional implement work.Electricity promotional implement is accepted after initial power, the electric bridge heating ignition medicine being comprised of wire and bridge silk makes its burning, the heat producing will be lighted main charge, the gas that main charge produces is by the sheath of washing open in corrugated bellows one side, the first half that promotes corrugated bellows extends, corrugated bellows promotes safety plug and moves, thereby makes fuse arming; After fuse arming, due to the good sealing property of electric promotional implement, electricity promotional implement cavity inside is always in high pressure conditions, and electric promotional implement itself has certain intensity in addition, thereby the elastic force that can overcome relief spring is locked in safety plug to separate always, protects position.
The preferred black powder of described main charge, will produce a large amount of gas after burning, and air release not out, sharply increases the pressure in cavity, and after pressure acquires a certain degree, the bellows of buckle folding shape, makes bellows extend along circular curve.The explosive payload of black powder need be determined according to factors such as the stroke of electric promotional implement, electric promotional implement internal cavities volume, the external force that need overcome.Its computational process is as follows:
Step 1: calculate electric promotional implement internal cavities volume:
Wherein: V
infor the cavity volume of electric promotional implement;
D is the internal diameter of electric promotional implement;
H is the length of electric promotional implement;
Step 2: the pressure after the burning of unit of account quality black powder:
Wherein: P
bfor the pressure after black powder burning;
F is the explosion equivalent of the black powder of unit mass;
W is the quality of black powder;
Step 3: calculate electric promotional implement (unit mass gunpowder) thrust:
F
0=P
B×S (3)
Wherein: F
0for the thrust of electric promotional implement generation;
S is bellows sectional area;
Step 4: calculate explosive payload:
Wherein: k is factor of safety, value is 1.5;
Connector preferably can guarantee the glass seal structure of good intensity and sealing.
For guaranteeing higher intensity and hardness, the stainless steel wire manufacture that the preferred diameter of wire is 0.6mm.
Bridge silk adopts method for brazing to be welded on the end of two wires, and firm for guaranteeing welding, bridge wire material can be selected nichrome wire.
The celluloid plate of powder charge cap preferably clear is made, and plays fixing main charge 4 and sealing, and itself is flammable, can increase the pressure of gas.
The medicine of getting angry adopts lead dinitroresorcinate, potassium nitrate and a small amount of adhesive composition, is coated on the end face of bridge silk and connector after mixing, and forms medicine head.
During assembling, the first wire end face at connector by the soldering of bridge silk, then ignition medicine is coated in to connector end face bridge silk is coated, on powder, coat again damp-proof paint.
Beneficial effect:
1, the electric promotional implement of promotion safety plug motion for a kind of fuse disclosed by the invention, thereby can produce the excitation that promotes safety plug rectilinear motion releasing machine insurance for Fuze Safety System, the environmental excitation that in the alternative Fuze Safety System of described excitation, arming is used.For the weapon that can not produce above-mentioned environmental excitation, such as ammunition, patrol armament systems such as flying device, there is very large applicability.
2, the electric promotional implement that promotes safety plug motion for disclosed by the invention a kind of fuse, the gas pressure that utilizes main charge to produce impels corrugated bellows expansion to do rectilinear motion, is swift in motion, safety, reliable, simple in structure.
Accompanying drawing explanation
Fig. 1 is the electric promotional implement profile schematic diagram of a kind of fuse of the present invention promotion safety plug motion;
Fig. 2 is the partial sectional view of the electric promotional implement of a kind of fuse of the present invention promotion safety plug motion;
Fig. 3 is the electric promotional implement and the safety plug assembling schematic diagram that promote safety plug motion for fuse of the present invention;
Wherein: 1-bellows, 2-sheath, 3-powder charge cap, 4-main charge, 5-ignition medicine, 6-bridge silk, 7-connector, 8-tin lead welding tin, 9-wire, 10-gag lever post, 11-safety plug, 12-electricity promotional implement, 13-base, 14-electricity promotional implement fixed head, 15-rotating disk.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment 1:
As depicted in figs. 1 and 2, the disclosed a kind of fuse of the present embodiment comprises bellows 1, sheath 2, powder charge cap 3, main charge 4, ignition medicine 5, bridge silk 6, connector 7, tin lead welding tin 8, wire 9 with the electric promotional implement that promotes safety plug motion.Described bellows 1 has good sealing property, and first half is accordion, and inside is cavity, and described bellows 1 is selected has sufficient intensity and ductility, and good seal performance and cavity inside can bear the bellows that maintains high pressure conditions; Cavity inside pressure increases evens up the fold part that makes bellows 1, and the housing of bellows 1 is extended along circular arc direction; The internal layer of bellows 1 latter half is provided with sheath 2, the internal layer of sheath 2 is powder charge cap 3, powder charge cap 3 is filled with main charge 4 and gets angry medicine 5 near one end of corrugated bellows 1, the other end is provided with connector 7, wire 9 is communicated with by bridge silk 6 through one end of 7, two wires 9 of connector, and bridge silk 6 is provided with ignition medicine 5 around, the medicine 5 of getting angry is provided with main charge 4 around, and described main charge 4 is for generation of the gas that the cavity inside pressure of bellows 1 is increased.Tin lead welding tin 8 is placed in electric promotional implement end and connects sealing.
A kind of fuse is to be fixed on electric promotional implement fixed head 14 by base 13 with the electric promotional implement 12 that promotes safety plug motion, safety plug 11 is enclosed within electric promotional implement 12 tops, safety plug 11 limits dial rotation by injecting in rotating disk 15, and its assembling relationship figure as shown in Figure 3.
A kind of fuse by the course of work of the electric promotional implement that promotes safety plug motion is: a kind of fuse is that the signal of telecommunication providing by fuse carries out work with the electric promotional implement 12 that promotes safety plug motion, when the external environment of fuse perception reaches solution guarantor condition, export time break just to electric promotional implement 12, control arming circuit electric promotional implement 12 is discharged, thereby electric promotional implement 12 is worked.Electricity promotional implement 12 is accepted after initial power, the electric bridge heating ignition medicine 5 being comprised of wire 9 and bridge silk 6 makes its burning, the heat producing will be lighted main charge 4, the gas that main charge 4 produces is by the sheath 2 of washing open in corrugated bellows one side, the first half that promotes corrugated bellows 1 extends, corrugated bellows 1 promotes safety plug and moves, thereby makes fuse arming; After fuse arming, due to the good sealing property of electric promotional implement 12, electricity promotional implement 12 cavity insides are always in high pressure conditions, and electric promotional implement 12 itself has certain intensity in addition, thereby the elastic force that can overcome relief spring is locked in safety plug to separate always, protect position.
The described preferred black powder of main charge 4, will produce a large amount of gas after burning, and air release not out, sharply increases the pressure in cavity, and after pressure acquires a certain degree, the bellows of buckle folding shape, makes bellows extend along circular curve.The explosive payload of black powder need be determined according to factors such as the stroke of electric promotional implement, electric promotional implement internal cavities volume, the external force that need overcome.Its computational process is as follows:
The power that supposing to promote safety plug motion needs is 130N
Step 1: calculate electric promotional implement internal cavities volume:
Wherein: V
infor the cavity volume of electric promotional implement;
D is the internal diameter of electric promotional implement, 7.5mm;
H is the length of electric promotional implement, 40mm;
Bring numerical value into:
Step 2: the pressure after unit of account quality (mg) powder burning:
Wherein: P
bfor the pressure after powder burning;
F is the explosion equivalent of the black powder of unit mass, 2.8 × 10
5n/kg;
W is the quality of black powder, 1mg;
Bring numerical value into:
Step 3: calculate electric promotional implement (unit mass gunpowder) thrust:
F
0=P
B×S (3)
Wherein: F
0for the thrust of electric promotional implement generation;
S is bellows sectional area;
Bring numerical value into:
Step 4: calculate explosive payload:
Wherein: k is factor of safety, value is 1.5;
Bring numerical value into:
Therefore, safety plug electricity consumption promotional implement explosive payload is 27.8mg.
Powder charge cap 3, main charge 4, ignition medicine 5, bridge silk 6, connector 7, tin lead welding tin 8, wire 9 composition ignition parts, can adopt method for brazing sealing, has good sealing property.
Connector 7 preferably can guarantee the glass seal structure of good intensity and sealing.
For guaranteeing higher intensity and hardness, the stainless steel wire manufacture that the preferred diameter of wire 9 is 0.6mm.
Bridge silk 6 adopts method for brazing to be welded on two ends with wire, and firm for guaranteeing welding, bridge silk 6 materials can be selected nichrome wire.
The celluloid plate of powder charge cap 3 preferably clears is made, and plays fixing main charge 4 and sealing, and itself is flammable, can increase the pressure of gas.
The medicine 5 of getting angry adopts lead dinitroresorcinate, potassium nitrate and a small amount of adhesive composition, is coated on the end face of bridge silk and connector after mixing, and forms medicine head.
During assembling, first wire 9 end faces at connector by 6 solderings of bridge silk, then ignition medicine 5 is coated in to connector end face bridge silk is coated, on powder, coat again damp-proof paint.
Main charge 4 is packed in powder charge cap 3, then the connector of coating is pushed in powder charge cap 3, then pushed sheath and the crimping that closes up.
Ignition part is pushed in electric promotional implement bellows, and trailer card prints and tightens up, and then, getting angry the junction employing sealed with brazing of part and electric promotional implement bellows, forms electric promotional implement finished product.
The present invention is not limited in above-described embodiment, and variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (9)
1. an electric promotional implement that promotes safety plug motion for fuse, is characterized in that: comprise bellows (1), sheath (2), powder charge cap (3), main charge (4), ignition medicine (5), bridge silk (6), connector (7), tin lead welding tin (8), wire (9), described bellows (1) has good sealing property, and first half is accordion, and inside is cavity, and described bellows (1) is selected has intensity and ductility, and cavity inside can bear the bellows that maintains high pressure conditions, cavity inside pressure increases evens up the fold part that makes bellows (1), and the housing of bellows (1) is extended along rectilinear direction, the internal layer of bellows (1) latter half is provided with sheath (2), the internal layer of sheath (2) is powder charge cap (3), powder charge cap (3) is filled with main charge (4) and gets angry medicine (5) near one end of corrugated bellows (1), the other end is provided with connector (7), wire (9) is through connector (7), one end of two wires (9) is communicated with by bridge silk (6), bridge silk (6) is provided with ignition medicine (5) around, the medicine (5) of getting angry is provided with main charge (4) around, described main charge (4) is for generation of the gas that the cavity inside pressure of bellows (1) is increased, tin lead welding tin (8) is placed in electric promotional implement end and connects sealing.
2. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1, it is characterized in that: a kind of fuse electric promotional implement (12) that promotes safety plug motion is to be fixed on electric promotional implement fixed head (14) by base (13), safety plug (11) is enclosed within electric promotional implement (12) top, and safety plug (11) rotates by injecting restriction rotating disk (15) in rotating disk (15).
3. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, it is characterized in that: described main charge (4) is black powder preferably, the explosive payload of black powder need be determined according to the stroke of electric promotional implement (12), electric promotional implement (12) internal cavities volume, the external force factor that need overcome.
4. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, is characterized in that: connector (7) preferably can guarantee the glass seal structure of good intensity and sealing;
5. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, is characterized in that: wire (9) the stainless steel wire manufacture that preferably diameter is 0.6mm.
6. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, is characterized in that: bridge silk (6) employing method for brazing is welded on the end of two wires, bridge silk (6) material selection nichrome wire.
7. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, is characterized in that: the celluloid plate of powder charge cap (3) preferably clear is made.
8. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 1 and 2, it is characterized in that: the medicine (5) of getting angry adopts lead dinitroresorcinate, potassium nitrate and a small amount of adhesive composition, after mixing, be coated on the end face of bridge silk and connector (7), form medicine head.
9. the electric promotional implement of promotion safety plug motion for a kind of fuse according to claim 2, it is characterized in that: a kind of fuse course of work of the electric promotional implement that promotes safety plug motion is, a kind of fuse is that the signal of telecommunication providing by fuse carries out work with the electric promotional implement (12) that promotes safety plug motion, when the external environment of fuse perception reaches solution guarantor condition, just give electric promotional implement (12) output time break, control arming circuit to electric promotional implement (12) electric discharge, thereby make electric promotional implement (12) work; Electricity promotional implement (12) is accepted after initial power, the electric bridge heating ignition medicine (5) being comprised of wire (9) and bridge silk (6) makes its burning, the heat producing will be lighted main charge (4), the gas that main charge (4) produces is by the sheath (2) of washing open in corrugated bellows one side, the first half that promotes corrugated bellows (1) extends, corrugated bellows (1) promotes safety plug and moves, thereby makes fuse arming; After fuse arming, due to the good sealing property of electric promotional implement (12), electricity promotional implement (12) cavity inside is always in pressure state, and electric promotional implement (12) itself has intensity in addition, thereby the elastic force that can overcome relief spring is locked in safety plug to separate always, protects position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225979.3A CN102735118B (en) | 2012-06-29 | 2012-06-29 | Electric pin pusher for fuse capable of pushing safety pin to move |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225979.3A CN102735118B (en) | 2012-06-29 | 2012-06-29 | Electric pin pusher for fuse capable of pushing safety pin to move |
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| Publication Number | Publication Date |
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| CN102735118A CN102735118A (en) | 2012-10-17 |
| CN102735118B true CN102735118B (en) | 2014-04-30 |
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|---|---|---|---|
| CN201210225979.3A Expired - Fee Related CN102735118B (en) | 2012-06-29 | 2012-06-29 | Electric pin pusher for fuse capable of pushing safety pin to move |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812280A (en) * | 2022-05-24 | 2022-07-29 | 刘加凯 | Fixed-point air-blast anti-rotor unmanned aerial vehicle fiber bomb system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322870B (en) * | 2013-06-28 | 2014-10-29 | 湖北三江航天红林探控有限公司 | Fuse swinging execution mechanism |
| CN106907962A (en) * | 2017-01-18 | 2017-06-30 | 沈阳理工大学 | Low overload MEMS detonations actuator |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2889777A (en) * | 1951-05-31 | 1959-06-09 | Rabinow Jacob | Electrical arming mechanism for fuses |
| GB829257A (en) * | 1957-01-19 | 1960-03-02 | Andres Rodriguez Villa | Fuze for projectiles |
| US3906861A (en) * | 1974-01-21 | 1975-09-23 | Us Navy | Fuze sterilization system |
| CN2275228Y (en) * | 1995-12-01 | 1998-02-25 | 国营九三四四厂 | Delay relieving safety device for detonator |
| CN201607179U (en) * | 2009-12-23 | 2010-10-13 | 中国北方工业公司 | Digital encoding circuit for controlling fuse for arming |
-
2012
- 2012-06-29 CN CN201210225979.3A patent/CN102735118B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2889777A (en) * | 1951-05-31 | 1959-06-09 | Rabinow Jacob | Electrical arming mechanism for fuses |
| GB829257A (en) * | 1957-01-19 | 1960-03-02 | Andres Rodriguez Villa | Fuze for projectiles |
| US3906861A (en) * | 1974-01-21 | 1975-09-23 | Us Navy | Fuze sterilization system |
| CN2275228Y (en) * | 1995-12-01 | 1998-02-25 | 国营九三四四厂 | Delay relieving safety device for detonator |
| CN201607179U (en) * | 2009-12-23 | 2010-10-13 | 中国北方工业公司 | Digital encoding circuit for controlling fuse for arming |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812280A (en) * | 2022-05-24 | 2022-07-29 | 刘加凯 | Fixed-point air-blast anti-rotor unmanned aerial vehicle fiber bomb system |
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| CN102735118A (en) | 2012-10-17 |
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