CN113503781A - Rotary drop hammer type fuse test method - Google Patents
Rotary drop hammer type fuse test method Download PDFInfo
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- CN113503781A CN113503781A CN202110991153.7A CN202110991153A CN113503781A CN 113503781 A CN113503781 A CN 113503781A CN 202110991153 A CN202110991153 A CN 202110991153A CN 113503781 A CN113503781 A CN 113503781A
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- 238000010998 test method Methods 0.000 title claims abstract description 14
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 79
- 238000005192 partition Methods 0.000 claims abstract description 44
- 238000007689 inspection Methods 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000004880 explosion Methods 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims description 30
- 238000010304 firing Methods 0.000 claims description 27
- 230000007797 corrosion Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 239000002360 explosive Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000005474 detonation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C21/00—Checking fuzes; Testing fuzes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fuses (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of fuze laboratory verification methods, in particular to a rotary drop hammer type fuze test method, which comprises appearance inspection, fuze decomposition and inspection and a fire transfer effect reliability test, wherein a decomposition clamping seat I, a U-shaped inserting plate I and a decomposition wrench are used in a matched mode when a detonating tube is decomposed, a decomposition clamping seat I and a partition decomposition assembly are used in a matched mode when a partition is decomposed, a decomposition clamping seat I and a lower body decomposition wrench are used in a matched mode when a fuze lower body is decomposed, a decomposition clamping seat II, a U-shaped inserting plate II and a conical cap decomposition assembly are used in a matched mode when a conical cap is decomposed, a false detonating tube is manufactured in the fire transfer effect reliability test, the explosion power is reduced, and facilities are prevented from being damaged; the explosion-removing risk is reduced, and the experimental result is convenient to judge; the invention provides a special tool, an experimental method and a quality detection method for the rotary drop hammer fuse, provides a basis for quality monitoring of the fuse after long-term storage, improves the efficiency and quality of fuse experiment work, and ensures the safety and reliability of the fuse experiment.
Description
Technical Field
The invention relates to the technical field of fuze laboratory verification methods, in particular to a rotary drop hammer type fuze test method.
Background
Fuzes, also known as fuse tubes, are detonating devices mounted on projectiles, bombs, mines, etc. A detonator is a control device that detonates or ignites a top charge of an ammunition under predetermined conditions using target information and environmental information.
The fuze test is required after the ammunition is stored for a long time, the fuze test generally comprises appearance detection, fuze sealing detection, fire transfer action reliability detection and decomposition and assembly correctness detection, supporting tools are required to be used in the fuze test, but a standard special fuze test is not matched in the fuze test in the prior art, and a standard test method is not provided, so that the fuze test process is low in efficiency and high in risk; in addition, the prior art cannot carry out index examination on the fuze stored for a long time and cannot implement effective quality monitoring because of no quality detection standard.
Disclosure of Invention
The invention discloses a rotary drop hammer fuse test method, which mainly provides a special tool, an experiment method and a quality detection method for a rotary drop hammer fuse, provides a basis for the quality monitoring of the fuse after long-term storage, improves the efficiency and the quality of the fuse experiment work, and ensures the safety and the reliability of the fuse experiment.
In order to solve the technical problem, the invention discloses a rotary drop hammer type fuse test method which comprises the following steps:
s1, appearance inspection;
s1.1, checking appearance quality of the fuse box by using a magnifying glass and a fluorescent lamp;
s1.2, unscrewing the fuse box, and checking the sealing performance of a fuse packaging bag;
s1.3, checking whether the fuse mark is complete, clear and correct; whether the installing rod is in a factory installing instantaneous position or not;
s1.4, checking whether the outer surface of the fuse is scratched, deformed, damaged or rusted;
s2, judging an appearance inspection result;
judging the fuse as being unqualified in the S1 appearance inspection under one of the following conditions;
s2.1, the fuze or the fuze box has no mark, and the mark is incorrect and unclear;
s2.2, the fuse packaging bag cannot be adsorbed on the fuse body;
s2.3, the fuse fixing rod is not fixed at the instantaneous position when leaving a factory;
s2.4, the outer surfaces of the fuse cone cap, the fuse upper body, the fuse lower body, the booster shell, the mounting rod or the mounting cap are seriously scratched, deformed and damaged or are rusted by three or more stages;
s3, fuse decomposition and inspection;
s3.1, decomposing and checking the booster;
s3.1.1, removing sealant at the thread of the booster by using a copper awl, and screwing down the booster;
s3.1.2, checking whether cracks or collapse exist on the explosive surface of the booster;
s3.2, decomposing and checking a safety system;
s3.2.1, removing the sealant on the internal thread of the fuse without the detonating tube by using a triangular scraper and a copper awl;
s3.2.2, removing the sealing gasket, screwing out the partition plate, and taking out the safety system without the partition plate;
s3.2.3, checking whether the safety system without the partition plate is in an explosion-proof position, and checking whether the exposed part of the shell of the explosion-conducting tube on the partition plate has cracks, deformation or three-level or more corrosion;
s3.3, decomposing and checking the lower body of the fuse;
s3.3.1, screwing down the lower body of the fuse, removing the O-shaped ring, taking out the automatic adjustment delay device, and taking down the middle sealing gasket, the buffer cushion, the fire transmission seat and the positioning pin which are connected together;
s3.3.2, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s3.4, decomposing and checking the upper body of the fuse;
s3.4.1, screwing off a conical cap from the upper body of the fuse;
s3.4.2, pulling out the trigger mechanism by using a flat-nose pliers, uncovering a front sealing gasket on the trigger mechanism, pouring out the detonator, separating the sleeve by using a copper awl and a sharp-nose pliers, and taking out the detonator seat, the support cylinder and the firing pin;
s3.4.3, sawing a notch from the top end of the conical cap, taking down the conical cap by using sharp-nose pliers, and pulling out the grid rod frame mechanism;
s3.4.4, checking whether the fixing rod can flexibly rotate and be fixed in place by using a screwdriver, penetrating the convex round part of the fixing cap by using a drill support and a drill, prying down the fixing cap and the plastic sleeve in sequence by using the screwdriver, picking up a check ring by using a firing pin, and pulling out the fixing rod with an O-shaped ring and a detonator by using flat tongs;
s3.4.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.5, decomposing and checking the safety system without the partition plate;
s3.5.1, placing the safety system without the partition plate upwards according to the first clamping plate;
s3.5.2, screwing down the screw at the upper part of the safety system by using a straight screwdriver, prying down the first clamping plate by using a 1.8mm straight clock screwdriver, taking down the spring piece, and prying down the second clamping plate. Taking out the limiting sleeve, the pendulum, the escape wheel, the second transition wheel and the first transition wheel by using tweezers, separating the revolving body and the backing plate by using a 2mm linear clock screwdriver, screwing down the screw plug from the revolving body with the detonator by using a 5mm linear screwdriver, and pouring out the recoil pin spring and the recoil pin;
s3.5.3, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.6, automatically adjusting a delay device by decomposition and inspection;
s3.6.1, prying and loosening the delay device shell and the delay device cover by using a striker;
s3.6.2, prying the lower extension device shell from the automatic adjustment extension device by using a firing pin and a 5mm straight screwdriver, taking out a live machine body spring, and checking whether the firing pin seat part and the live machine body part are relieved of safety;
s3.6.3, horizontally placing the opening of the delay device shell upwards, and inversely installing the rest part of the device on the delay device shell through a delay device cover;
s3.6.4, using a firing pin to pick up the spring seat, pouring out the centrifugal spring and the centrifugal element, pressing the blocking piece of the sliding sleeve spring by hand, lifting the living machine body upwards, releasing the large steel ball, automatically popping out the delay firing pin, pouring out the two small steel balls and the firing pin spring, using an inclined nozzle forceps to remove the blocking piece of the sliding sleeve spring, taking the lower sliding sleeve spring and the sliding sleeve, using a flat tongs to separate the delay device cover and the firing pin seat,
s3.6.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s4, evaluating a fuse check result;
in step S3, the fuse is determined to be defective in one of the following cases;
s4.1, the fuse parts and components have the phenomena of wrong assembly, neglected assembly and the like;
s4.2, a fuse is provided with a fixed rod, and the action of the delay mechanism is automatically adjusted to be abnormal;
s4.3, the firing pin seat component and the living machine body component are not in the determined safety position;
s4.4, the part has cracks, deformation, falling of an anticorrosive coating or three-level or more than three-level corrosion;
s4.5, the detonator is arched or obviously shifts due to the reinforcing cap, and the detonator shell are cracked, deformed or rusted by three or more stages;
s4.6, cracks or collapse with the area 5% larger than the original area and the depth 1mm larger than the original area exist on the explosive charging surface of the booster.
Further, step S3.1.2 in, use and decompose cassette I, U type picture peg I and decompose the spanner and carry out the decomposition of detonating tube, the detonator head is connected downwards in decomposing cassette I, in U type picture peg I is pegged graft and is decomposed cassette I again, the detonator is connected in U type picture peg I, decomposes the spanner and connects on detonating tube, decomposes the spanner and rotates the detonating tube of unscrewing.
Furthermore, the top surface of the decomposition clamping seat I is provided with a taper hole, the shape of the taper hole and the shape of the taper section of the taper hole are the same as that of the fuse taper section, the head part of the fuse is downwards connected in the taper hole, the top part of the taper hole is provided with a rectangular through groove I, a U-shaped inserting plate I is inserted in the rectangular through groove I, the fuse is clamped in the U-shaped inserting plate I, the decomposition wrench comprises a guide pipe, a chuck, a connecting block and a pin I, the guide pipe is provided with a lower hole and an upper hole which are communicated, the lower hole is arranged at the bottom end of the upper hole, the chuck comprises an upper block and a clamping part, the upper block is arranged at the center of the top end of the clamping part, the bottom end of the clamping part is provided with a clamping groove, the outer wall of the clamping groove is provided with a plurality of threaded holes I, the plurality of threaded holes I are uniformly distributed by taking the center of the clamping groove as an axial circumference, the connecting block is connected in the clamping groove, the outer wall of the connecting block is provided with a plurality of positioning holes I, the positioning holes are in one-to one correspondence with the plurality of the threaded holes I, and are connected with positioning screws in each threaded hole I, the positioning screw passes and pegs graft in the locating hole behind screw hole I, and the connecting block bottom surface is equipped with pinhole I, and pinhole I is equipped with a plurality ofly, a plurality of pinholes I and the connecting hole one-to-one on detonator booster top, and pin I is equipped with a plurality ofly, and a plurality of pins I are connected respectively in a plurality of pinholes I, peg graft in the connecting hole on detonator booster top in I bottom.
Use when carrying out the booster and decompose cassette I, U type picture peg I and decompose the spanner cooperation and use, decompose cassette I, U type picture peg I and fix the detonator, decompose the spanner and peg graft through I bottom of pin and drive the booster in the connecting hole on detonator booster top and rotate to the realization is with the booster and revolves down.
Further, step S3.2.2 in use the baffle to decompose the subassembly and screw down the baffle, the baffle decomposes the subassembly including the main seat, pin II and handle, the main seat lower part is equipped with the lower wall, be equipped with a plurality of pinhole II on the lower wall, a plurality of pinhole II and the connecting hole one-to-one of baffle top surface, pin II is equipped with a plurality ofly, a plurality of pins II are pegged graft respectively in a plurality of pinhole II, peg graft in the connecting hole of baffle top surface one by one in a plurality of II bottoms of pins, main seat upper portion is equipped with the handle hole, handle middle part fixed connection is downthehole at the handle, the main seat is stretched out at the handle both ends.
When carrying out the baffle and decomposing, use and decompose cassette I and baffle and decompose the subassembly cooperation and use, decompose cassette I and U type picture peg I and be used for fixed fuze, peg graft respectively in a plurality of pinhole II of a plurality of pins II of baffle decomposition subassembly, rotate the baffle during use and decompose the subassembly through the handle, the baffle decomposes the subassembly and drives the baffle and rotate and realize screwing down of baffle.
Furthermore, S3.3.1 the lower part of the body of the fuse is screwed down by using a lower part disassembly wrench, which comprises a handle part and a U-shaped inserting plate part, wherein the handle part is connected at the rear end of the U-shaped inserting plate part, and the U-shaped inserting plate part is inserted at the outer side of the lower part of the fuse.
When carrying out the decomposition of the fuse lower part of the body, use decomposition cassette I and the cooperation of lower part of the body decomposition spanner to use, decomposition cassette I and U type picture peg I are used for fixed fuse upper part of the body, rotate the decomposition of the fuse lower part of the body through decomposing the spanner and realize.
Furthermore, S3.4.1 in use and decompose cassette II, U type picture peg II and awl cap and decompose the subassembly and screw off the awl cap, the fuse upper part of the body head is upwards, the fuse upper part of the body afterbody is connected in decomposing cassette II, U type picture peg II is connected in decomposing cassette II, fuse upper part of the body afterbody is connected in U type picture peg II, awl cap decomposition assembly suit is on the awl cap.
Further, the top surface of the decomposition clamping seat II is provided with a center hole, the top of the center hole is provided with a rectangular through groove II, the tail part of the fuse upper body is connected in the center hole, the U-shaped inserting plate II is connected in the rectangular through groove II, the tail part of the fuse upper body is clamped in the U-shaped inserting plate II, the cone cap decomposition assembly comprises a main rod, side blocks, a bolt, a pull seat and a spring, the center of the main rod is provided with an inner cone hole, the two sides of the inner cone hole are provided with handle parts, the side wall on one side of the inner cone hole is provided with a threaded hole II and a pin hole III, the pin hole III is arranged in the middle of the side wall on one side of the inner cone hole, the threaded hole II is provided with two, the two threaded holes II are symmetrically arranged on the left side and the right side of the pin hole III, the side blocks are connected on the side wall on one side of the inner cone hole, the side blocks are provided with two through holes, the two through holes are symmetrical by the centers of the side blocks, the side blocks are provided with a pin hole IV and a pin hole V, the pin hole IV communicated with the pin hole V, the pin hole IV is arranged at the top end of the pin hole V, the inner diameter of the pin hole V is larger than that of the pin hole IV, screws are connected in the two through holes, the screws are connected in the screw holes II after penetrating through the through holes, the pin holes III are coaxial with the pin holes IV and the pin holes V, the bolt comprises a lower pin part, a step and an upper pin part, the lower pin part is arranged at the lower end of the step, the upper pin part is arranged at the upper end of the step, the upper pin part is provided with external threads, the lower pin part is slidably connected in the pin holes III, the step is slidably connected in the pin holes V, a spring is connected between the top surface of the step and the top surface of the pin hole V, the upper pin part is slidably connected in the pin holes IV, the external threads extend out of the pin holes IV, threaded holes are formed in the bottom surface of the pull seat, the external threads are connected in the threaded holes, the shape of the inner taper holes is the same as that of the taper caps, the inner taper holes are sleeved on the taper caps, and the lower pin parts are inserted in the connecting holes of the taper caps.
When carrying out the awl cap and decomposing, use and decompose cassette II, U type picture peg II and awl cap and decompose the subassembly cooperation and use, decompose cassette II and U type picture peg II and be used for fixed fuze upper part of the body, the awl cap decomposes the screw-down of subassembly connection realization awl cap on the awl cap, and the structure of awl cap decomposition unit is ingenious, conveniently connects and uses.
Further, the invention also includes a step S7 reliability test of the fire transfer function, which includes the following steps:
s5, testing reliability of a fire transfer effect;
s5.1, taking the fuze subjected to the appearance inspection in the step S1, and screwing down the booster according to the step S3.1;
s5.2, weighing the mass of the booster by using a balance; the mass ratio of epoxy resin to epoxy resin curing agent is 1:1, and the mass of the pseudo booster is the same as that of the booster; the false booster reduces the explosion power and prevents the damage to facilities; if the explosion is not generated in the experiment, the explosion risk is reduced, and after the fire is transmitted, explosion marks can be left, so that the judgment is convenient;
s5.3, taking out the partition plate according to the step S3.2.2, without taking out the safety system without the partition plate, screwing down the screw plug from the safety system without the partition plate by using a 5mm straight screwdriver, pouring out the recoil pin spring and the recoil pin, installing the partition plate back, and screwing the partition plate in place;
s5.4, connecting the false booster manufactured in the step S7.2 to the fuse completing the step S7.3;
s5.5, installing the fuse completing the step S7.4 to a short delay position by using an 8mm straight screwdriver;
s5.6, clamping the fuse head part which is subjected to the step S7.5 upwards on a rotary instrument, connecting a hammer dropping device above the fuse head part, wherein the rotating speed of the rotary instrument is 3400r/min, the acceleration time of the rotary instrument is 8S, the constant speed time of the rotary instrument is 15S, the hammer dropping device drops after the constant speed time of the rotary instrument is reached, and judging whether the explosion sound exists at the moment when the hammer drops;
and S5.7, structural evaluation, wherein after the detonator is fired, the detonating tube is not exploded or incompletely exploded and is unqualified.
The invention has the beneficial effects that:
1. the decomposition clamping seat I, the U-shaped inserting plate I and the decomposition wrench are arranged, so that the detonation tube can be conveniently decomposed;
2. the partition board decomposition assembly is matched with the decomposition clamping seat I and the U-shaped inserting plate I for use when the partition board is decomposed; the use is flexible and convenient;
3. the lower body disassembly wrench is arranged and is matched with the disassembly clamping seat I and the U-shaped inserting plate I for use when the fuse lower body is disassembled; the use is flexible and convenient;
4. the decomposition clamping seat II, the U-shaped inserting plate II and the conical cap decomposition assembly are arranged, so that the conical cap decomposition is convenient;
5. a false detonation tube is used in a fire transfer action reliability test, so that the explosion power is reduced, and the damage to facilities is prevented; if the explosion is not generated in the experiment, the explosion risk is reduced, and after the fire is transmitted, explosion marks can be left, so that the judgment is convenient;
6. a special tool is provided for each step, so that the working efficiency of each step is improved, and the operation difficulty is reduced;
7. the working method is provided for the processes of appearance inspection, fuze sealing test, fuze decomposition and inspection, fire transfer effect reliability test and the like in the fuze test process, and the accuracy, the normalization and the safety of each step are ensured;
8. and a verification standard is provided for reliability experiments of appearance inspection, decomposition inspection and fire transfer effect, and smooth operation and analysis and judgment of each step are facilitated.
Drawings
FIG. 1 is a schematic diagram of a fuse according to the present invention;
FIG. 2 is a schematic structural view of the fuse, the disassembling clamping seat I and the disassembling wrench of the invention when connected;
FIG. 3 is a schematic structural diagram of an exploded card socket I according to the present invention;
FIG. 4 is a schematic structural diagram of a U-shaped plugboard I of the invention;
FIG. 5 is a schematic structural view of a guide tube according to the present invention;
FIG. 6 is a schematic view of the chuck of the present invention;
FIG. 7 is a schematic view of the construction of the connector block of the present invention;
FIG. 8 is a schematic structural diagram of the fuse, the decomposition card holder I and the partition decomposition assembly when the fuse, the decomposition card holder I and the partition decomposition assembly are connected;
FIG. 9 is a schematic structural view of the main base of the present invention;
FIG. 10 is a schematic structural view of the fuse, the disassembly cassette I and the lower body disassembly wrench of the present invention when they are connected;
FIG. 11 is a schematic view of the lower body disassembly wrench of the present invention;
FIG. 12 is a schematic structural view of the upper fuse body, the disassembly clamping seat II and the cone cap disassembly assembly when the upper fuse body, the disassembly clamping seat II and the cone cap disassembly assembly are connected;
FIG. 13 is a schematic structural view of the disassembled cassette II of the present invention;
FIG. 14 is a schematic structural view of a U-shaped board II according to the present invention;
FIG. 15 is a schematic structural view of a cone cap disassembly assembly of the present invention;
FIG. 16 is a schematic view of the construction of the side block of the present invention;
FIG. 17 is a schematic view of the latch of the present invention.
In the figure: 1. decomposing the card seat I; 101. a taper hole; 102. a rectangular through groove I; 2, a U-shaped plugboard I; 3. disassembling the wrench; 301. a guide tube; 3011. a lower hole; 3012. an upper hole; 302. a chuck; 3021. loading blocks; 3022. a clamping portion; 3023. a clamping groove; 3024. a threaded hole I; 3025. an upper groove; 303. connecting blocks; 3031. positioning holes; 3032. a pin hole I; 304. a pin I; 4. a separator plate decomposition assembly; 401. a main base; 4011. a bottom wall; 4012. a pin hole II; 4013. a handle aperture; 402. a pin II; 403. a handle; 5. a lower body disassembly wrench; 501. a handle portion; 502. a U-shaped patch panel portion; 6. decomposing the card seat II; 601. a central bore; 602. a rectangular through groove II; 7, a U-shaped plugboard II; 8. a cone cap decomposition assembly; 801. a main rod; 8011. an inner taper hole; 8012. a handle portion; 8013. a threaded hole II; 8014. a pin hole III; 802. a side block; 8021. a through hole; 8022. a pin hole IV; 8023. a pin hole V; 803. a bolt; 8031. a lower pin portion; 8032. a step; 8033. an upper pin portion; 8034. an external thread; 804. pulling a base; 8041. a threaded hole III; 805. a spring.
Detailed Description
As shown in fig. 1 to 17, a method for testing a rotary drop hammer fuse according to the present invention comprises the steps of:
s1, appearance inspection;
s1.1, checking appearance quality of the fuse box by using a magnifying glass and a fluorescent lamp;
s1.2, unscrewing the fuse box, and checking the sealing performance of a fuse packaging bag;
s1.3, checking whether the fuse mark is complete, clear and correct; whether the installing rod is in a factory installing instantaneous position or not;
s1.4, checking whether the outer surface of the fuse is scratched, deformed, damaged or rusted;
s2, judging an appearance inspection result;
judging the fuse as being unqualified in the S1 appearance inspection under one of the following conditions;
s2.1, the fuze or the fuze box has no mark, and the mark is incorrect and unclear;
s2.2, the fuse packaging bag cannot be adsorbed on the fuse body;
s2.3, the fuse fixing rod is not fixed at the instantaneous position when leaving a factory;
s2.4, the outer surfaces of the fuse cone cap, the fuse upper body, the fuse lower body, the booster shell, the mounting rod or the mounting cap are seriously scratched, deformed and damaged or are rusted by three or more stages;
s3, fuse decomposition and inspection;
s3.1, decomposing and checking the booster;
s3.1.1, removing sealant at the thread of the booster by using a copper awl, and screwing down the booster;
s3.1.2, checking whether cracks or collapse exist on the explosive surface of the booster;
s3.2, decomposing and checking a safety system;
s3.2.1, removing the sealant on the internal thread of the fuse without the detonating tube by using a triangular scraper and a copper awl;
s3.2.2, removing the sealing gasket, screwing out the partition plate, and taking out the safety system without the partition plate;
s3.2.3, checking whether the safety system without the partition plate is in an explosion-proof position, and checking whether the exposed part of the shell of the explosion-conducting tube on the partition plate has cracks, deformation or three-level or more corrosion;
s3.3, decomposing and checking the lower body of the fuse;
s3.3.1, screwing down the lower body of the fuse, removing the O-shaped ring, taking out the automatic adjustment delay device, and taking down the middle sealing gasket, the buffer cushion, the fire transmission seat and the positioning pin which are connected together;
s3.3.2, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s3.4, decomposing and checking the upper body of the fuse;
s3.4.1, screwing off a conical cap from the upper body of the fuse;
s3.4.2, pulling out the trigger mechanism by using a flat-nose pliers, uncovering a front sealing gasket on the trigger mechanism, pouring out the detonator, separating the sleeve by using a copper awl and a sharp-nose pliers, and taking out the detonator seat, the support cylinder and the firing pin;
s3.4.3, sawing a notch from the top end of the conical cap, taking down the conical cap by using sharp-nose pliers, and pulling out the grid rod frame mechanism;
s3.4.4, checking whether the fixing rod can flexibly rotate and be fixed in place by using a screwdriver, penetrating the convex round part of the fixing cap by using a drill support and a drill, prying down the fixing cap and the plastic sleeve in sequence by using the screwdriver, picking up a check ring by using a firing pin, and pulling out the fixing rod with an O-shaped ring and a detonator by using flat tongs;
s3.4.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.5, decomposing and checking the safety system without the partition plate;
s3.5.1, placing the safety system without the partition plate upwards according to the first clamping plate;
s3.5.2, screwing down the screw at the upper part of the safety system by using a straight screwdriver, prying down the first clamping plate by using a 1.8mm straight clock screwdriver, taking down the spring piece, and prying down the second clamping plate. Taking out the limiting sleeve, the pendulum, the escape wheel, the second transition wheel and the first transition wheel by using tweezers, separating the revolving body and the backing plate by using a 2mm linear clock screwdriver, screwing down the screw plug from the revolving body with the detonator by using a 5mm linear screwdriver, and pouring out the recoil pin spring and the recoil pin;
s3.5.3, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.6, automatically adjusting a delay device by decomposition and inspection;
s3.6.1, prying and loosening the delay device shell and the delay device cover by using a striker;
s3.6.2, prying the lower extension device shell from the automatic adjustment extension device by using a firing pin and a 5mm straight screwdriver, taking out a live machine body spring, and checking whether the firing pin seat part and the live machine body part are relieved of safety;
s3.6.3, horizontally placing the opening of the delay device shell upwards, and inversely installing the rest part of the device on the delay device shell through a delay device cover;
s3.6.4, picking the spring seat by using a firing pin, pouring out a centrifugal spring and a centrifugal element, pressing a sliding sleeve spring separation blade by using a hand, lifting the living machine body upwards, releasing a large steel ball, automatically popping out a delay firing pin, pouring out two small steel balls and a firing pin spring, removing the sliding sleeve spring separation blade by using an inclined nozzle clamp, taking a lower sliding sleeve spring and a sliding sleeve, and separating a delay device cover and a firing pin seat by using flat tongs;
s3.6.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s4, evaluating a fuse check result;
in step S3, the fuse is determined to be defective in one of the following cases;
s4.1, the fuse parts and components have the phenomena of wrong assembly, neglected assembly and the like;
s4.2, a fuse is provided with a fixed rod, and the action of the delay mechanism is automatically adjusted to be abnormal;
s4.3, the firing pin seat component and the living machine body component are not in the determined safety position;
s4.4, the part has cracks, deformation, falling of an anticorrosive coating or three-level or more than three-level corrosion;
s4.5, the detonator is arched or obviously shifts due to the reinforcing cap, and the detonator shell are cracked, deformed or rusted by three or more stages;
s4.6, cracking or caving with the area 5% larger than the original area and the depth 1mm on the charging surface of the booster;
s5, testing reliability of a fire transfer effect;
s5.1, taking the fuze subjected to the appearance inspection in the step S1, and screwing down the booster according to the step S3.1;
s5.2, weighing the mass of the booster by using a balance; the mass ratio of epoxy resin to epoxy resin curing agent is 1:1, and the mass of the pseudo booster is the same as that of the booster;
s5.3, taking out the partition plate according to the step S3.2.2, without taking out the safety system without the partition plate, screwing down the screw plug from the safety system without the partition plate by using a 5mm straight screwdriver, pouring out the recoil pin spring and the recoil pin, installing the partition plate back, and screwing the partition plate in place;
s5.4, connecting the false booster manufactured in the step S7.2 to the fuse completing the step S7.3;
s5.5, installing the fuse completing the step S7.4 to a short delay position by using an 8mm straight screwdriver;
s5.6, clamping the fuse head part which is subjected to the step S7.5 upwards on a rotary instrument, connecting a hammer dropping device above the fuse head part, wherein the rotating speed of the rotary instrument is 3400r/min, the acceleration time of the rotary instrument is 8S, the constant speed time of the rotary instrument is 15S, the hammer dropping device drops after the constant speed time of the rotary instrument is reached, and judging whether the explosion sound exists at the moment when the hammer drops;
and S5.7, structural evaluation, wherein after the detonator is fired, the detonating tube is not exploded or incompletely exploded and is unqualified.
As shown in fig. 1-7, in step S3.1.2, decomposition of the detonation tube is performed by using a decomposition clamping seat i 1, a U-shaped insertion plate i 2 and a decomposition wrench 3, the head of the detonator is connected downwards in the decomposition clamping seat i 1, the U-shaped insertion plate i 2 is inserted into the decomposition clamping seat i 1, the detonator is connected in the U-shaped insertion plate i 2, the decomposition wrench 3 is connected to the detonation tube, and the decomposition wrench 3 rotates to unscrew the detonation tube. The top surface of the decomposition card seat I1 is provided with a taper hole 101, the shape of the taper section of the taper hole 101 is the same as that of the taper section of the fuse, the head part of the fuse is downwards connected in the taper hole 101, the top part of the taper hole 101 is provided with a rectangular through groove I102, a U-shaped inserting plate I2 is inserted in the rectangular through groove I102, the fuse is clamped in the U-shaped inserting plate I2, the decomposition wrench 3 comprises a guide pipe 301, a chuck 302, a connecting block 303 and a pin I304, the guide pipe 301 is provided with a lower hole 3011 and an upper hole 3012, the lower hole 3011 is communicated with the upper hole 3012, the lower hole 3011 is arranged at the bottom end of the upper hole 3012, the chuck 302 comprises an upper block 3021 and a holding part 3022, the upper block 3021 is arranged at the center of the top end of the holding part 3022, the bottom end of the holding part 3022 is provided with a clamping groove 3023, the outer wall of the clamping groove 3023 is provided with a plurality of I3024 threaded holes I3024, the plurality of the threaded holes I3024 are uniformly distributed around the center of the clamping groove 3023 as a circle, the connecting block 303 is connected in the clamping groove 3023, the connecting block 303, the outer wall is provided with a plurality of the positioning holes 3031, a plurality of locating holes 3031 correspond to a plurality of threaded holes I3024 one by one, each threaded hole I3024 is internally connected with a locating screw, the locating screws penetrate through the threaded holes I3024 and are inserted into the locating holes 3031, the bottom surface of the connecting block 303 is provided with a plurality of pin holes I3032, the pin holes I3032 are arranged in a plurality of numbers, the pin holes I3032 correspond to connecting holes in the top end of the detonator one by one, a plurality of pins I304 are arranged, the pins I304 are respectively connected into the pin holes I3032, and the bottom end of the pin I304 is inserted into the connecting holes in the top end of the detonator.
As shown in fig. 8 and 9, in the step S3.2.2, the partition plate is screwed down by using the partition plate decomposition assembly 4, the partition plate decomposition assembly 4 includes a main seat 401, pins ii 402 and a handle 403, a lower disc 4011 is disposed on the lower portion of the main seat 401, a plurality of pin holes ii 4012 are disposed on the lower disc 4011, the plurality of pin holes ii 4012 correspond to the connection holes on the top surface of the partition plate one to one, the plurality of pins ii 402 are respectively inserted into the plurality of pin holes ii 4012, the bottom ends of the plurality of pins ii 402 are inserted into the connection holes on the top surface of the partition plate one to one, a handle hole 4013 is disposed on the upper portion of the main seat 401, the middle portion of the handle 403 is fixedly connected into the handle hole 4013, and two ends of the handle extend out of the main seat 401.
As shown in fig. 10 and 11, S3.3.1 is provided for screwing down the lower body of the fuse using a lower body breakdown wrench 5, in which the lower body breakdown wrench 5 includes a handle portion 501 and a U-shaped plate portion 502, the handle portion 501 is connected to the rear end of the U-shaped plate portion 502, and the U-shaped plate portion 502 is inserted outside the lower body of the fuse.
As shown in fig. 12-17, a decomposition cassette ii 6, a U-shaped plug board ii 7 and a cone cap decomposition component 8 are used for unscrewing a cone cap in S3.4.1, the head of the fuse upper body is upward, the tail of the fuse upper body is connected in the decomposition cassette ii 6, the U-shaped plug board ii 7 is connected in the decomposition cassette ii 6, the tail of the fuse upper body is connected in the U-shaped plug board ii 7, and the cone cap decomposition component 8 is sleeved on the cone cap. The top surface of the decomposition clamping seat II 6 is provided with a central hole 601, the top of the central hole 601 is provided with a rectangular through groove II 602, the tail part of the fuse upper body is connected in the central hole 601, a U-shaped inserting plate II 7 is connected in the rectangular through groove II 602, the tail part of the fuse upper body is clamped in the U-shaped inserting plate II 7, the cone cap decomposition assembly 8 comprises a main rod 801, side blocks 802, a plug 803, a pulling seat 804 and a spring 805, the center of the main rod 801 is provided with an inner conical hole 8011, both sides of the inner conical hole 8011 are provided with handle parts 8012, the side wall of one side of the inner conical hole 8011 is provided with a threaded hole II 8013 and a pin hole III 8014, the pin hole III 8014 is arranged in the middle of the side wall of one side of the inner conical hole 8011, the two threaded holes II 8013 are symmetrically arranged at the left side and the right side of the pin hole 8014, the side block 802 is connected with the side block 802, the two through holes 8021 are symmetrically arranged with the center of the side block 802, the center of the pin hole IV 8022 and the V-shaped pin hole 8023 are arranged at the center of the side block 802, the pin hole IV 8022 is communicated with the pin hole V8023, the pin hole IV 8022 is arranged at the top end of the pin hole V8023, the inner diameter of the pin hole V8023 is larger than that of the pin hole IV 8022, the two through holes 8021 are both connected with screws, the screws penetrate through the through holes 8021 and then are connected in the screw hole II 8013, the pin hole III 8014 is coaxial with the pin hole IV 8022 and the pin hole V8023, the bolt 803 comprises a lower pin part 8031, a step 8032 and an upper pin part 8033, the lower pin part 8031 is arranged at the lower end of the step 8032, the upper pin part 8033 is arranged at the upper end of the step 8032, the upper pin part 8033 is provided with an external thread 8034, the lower pin part 8031 is connected in the pin hole III 8014 in a sliding manner, the step 8032 is connected in the pin hole V8023 in a sliding manner, a spring 805 is connected between the top surface of the step 8032 and the pin hole V8023, the upper pin part 8033 is connected in the pin hole IV 8022 in a sliding manner, the external thread 8034 extends out of the pin hole IV 8022, the screw hole 8041 is arranged on the bottom surface of the pulling seat 804, the screw hole V8041 is connected in the same shape as the conical cap shape of the conical hole 8011, the inner taper hole 8011 is sleeved on the taper cap, and the lower pin portion 8031 is inserted in the connecting hole of the taper cap.
The test is carried out according to the lowest sample capacity n specified by general ammunition conventional detection standard in the test steps according to the sequence of appearance inspection and fire transfer effect reliability test.
Use when carrying out the booster and decompose that to decompose cassette I1, U type picture peg I2 and decompose 3 cooperations of spanner and use, decompose cassette I1, U type picture peg I2 and fix the detonator, decompose spanner 3 and drive the booster through pegging graft in the connecting hole on detonator booster top in I304 bottom of pin and rotate to the realization is with the booster and revolves down.
When carrying out the baffle and decomposing, use and decompose 4 cooperations of cassette I1 and baffle and use, decompose cassette I1 and U type picture peg I2 and be used for fixed fuze, II 402 pegs graft respectively in a plurality of pinhole II 4012 of a plurality of pins of baffle decomposition subassembly 4, rotate baffle decomposition subassembly 4 through handle 403 during the use, baffle decomposition subassembly 4 drives the baffle and rotates the spiral-down that realizes the baffle.
When the lower body of the fuse is disassembled, the disassembling clamping seat I1 and the lower body disassembling wrench 5 are used in a matched mode, the disassembling clamping seat I1 and the U-shaped inserting plate I2 are used for fixing the upper body of the fuse, and the lower body of the fuse is disassembled by rotating the lower body of the fuse through the disassembling wrench 5.
When carrying out the awl cap and decomposing, use and decompose II 6 of cassette, U type picture peg II 7 and the cooperation of awl cap decomposition unit spare 8 and use, decompose II 7 of cassette and U type picture peg and be used for fixed fuze upper part of the body, awl cap decomposition unit spare 8 is connected and is realized the unscrewing of awl cap on the awl cap, and the structure of awl cap decomposition unit spare 8 is ingenious, conveniently connects and uses.
In the step S5, a false booster is manufactured, so that the explosion power is reduced, and the damage to facilities is prevented; if the explosion is not generated in the experiment, the explosion risk is reduced, and after the fire is transmitted, explosion marks can be left, so that the judgment is convenient;
the invention provides a special tool, an experimental method and a quality detection method for the rotary drop hammer fuse, provides a basis for quality monitoring of the fuse after long-term storage, improves the efficiency and quality of fuse experiment work, and ensures the safety and reliability of the fuse experiment.
Claims (8)
1. A rotary drop hammer fuse test method is characterized in that: the method comprises the following steps:
s1, appearance inspection;
s1.1, checking appearance quality of the fuse box by using a magnifying glass and a fluorescent lamp;
s1.2, unscrewing the fuse box, and checking the sealing performance of a fuse packaging bag;
s1.3, checking whether the fuse mark is complete, clear and correct; whether the installing rod is in a factory installing instantaneous position or not;
s1.4, checking whether the outer surface of the fuse is scratched, deformed, damaged or rusted;
s2, judging an appearance inspection result;
judging the fuse as being unqualified in the S1 appearance inspection under one of the following conditions;
s2.1, the fuze or the fuze box has no mark, and the mark is incorrect and unclear;
s2.2, the fuse packaging bag cannot be adsorbed on the fuse body;
s2.3, the fuse fixing rod is not fixed at the instantaneous position when leaving a factory;
s2.4, the outer surfaces of the fuse cone cap, the fuse upper body, the fuse lower body, the booster shell, the mounting rod or the mounting cap are seriously scratched, deformed and damaged or are rusted by three or more stages;
s3, fuse decomposition and inspection;
s3.1, decomposing and checking the booster;
s3.1.1, removing sealant at the thread of the booster by using a copper awl, and screwing down the booster;
s3.1.2, checking whether cracks or collapse exist on the explosive surface of the booster;
s3.2, decomposing and checking a safety system;
s3.2.1, removing the sealant on the internal thread of the fuse without the detonating tube by using a triangular scraper and a copper awl;
s3.2.2, removing the sealing gasket, screwing out the partition plate, and taking out the safety system without the partition plate;
s3.2.3, checking whether the safety system without the partition plate is in an explosion-proof position, and checking whether the exposed part of the shell of the explosion-conducting tube on the partition plate has cracks, deformation or three-level or more corrosion;
s3.3, decomposing and checking the lower body of the fuse;
s3.3.1, screwing down the lower body of the fuse, removing the O-shaped ring, taking out the automatic adjustment delay device, and taking down the middle sealing gasket, the buffer cushion, the fire transmission seat and the positioning pin which are connected together;
s3.3.2, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s3.4, decomposing and checking the upper body of the fuse;
s3.4.1, screwing off a conical cap from the upper body of the fuse;
s3.4.2, pulling out the trigger mechanism by using flat tongs, uncovering a front sealing gasket on the trigger mechanism, and pouring out the detonator; separating the sleeve by using a copper awl and sharp-nose pliers, and taking out the detonator seat, the support cylinder and the firing pin;
s3.4.3, sawing a notch from the top end of the conical cap, taking down the conical cap by using sharp-nose pliers, and pulling out the grid rod frame mechanism;
s3.4.4, checking whether the fixing rod can flexibly rotate and be fixed in place by using a screwdriver, penetrating the convex round part of the fixing cap by using a drill support and a drill, prying down the fixing cap and the plastic sleeve in sequence by using the screwdriver, picking up a check ring by using a firing pin, and pulling out the fixing rod with an O-shaped ring and a detonator by using flat tongs;
s3.4.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.5, decomposing and checking the safety system without the partition plate;
s3.5.1, placing the safety system without the partition plate upwards according to the first clamping plate;
s3.5.2, screwing down screws on the upper part of the safety system by using a straight screwdriver, prying down a first clamping plate by using a 1.8mm straight clock screwdriver, taking down a spring plate, prying down a second clamping plate, taking out a limiting sleeve, a pendulum, an escape wheel, a second transition wheel and a first transition wheel by using tweezers, separating a revolving body and a backing plate by using the 2mm straight clock screwdriver, screwing down a screw plug from the revolving body with a detonator by using the 5mm straight screwdriver, and pouring out a recoil pin spring and a recoil pin;
s3.5.3, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more rust, checking whether the assembly of the part is correct, and checking whether the part is wrongly assembled or not and neglected assembling; checking whether the detonator reinforced cap has arch or obvious displacement and whether the shell has cracks or deformation or three-level or more than three-level corrosion;
s3.6, automatically adjusting a delay device by decomposition and inspection;
s3.6.1, prying and loosening the delay device shell and the delay device cover by using a striker;
s3.6.2, prying the lower extension device shell from the automatic adjustment extension device by using a firing pin and a 5mm straight screwdriver, taking out a live machine body spring, and checking whether the firing pin seat part and the live machine body part are relieved of safety;
s3.6.3, horizontally placing the opening of the delay device shell upwards, and inversely installing the rest part of the device on the delay device shell through a delay device cover;
s3.6.4, using a firing pin to pick up the spring seat, pouring out the centrifugal spring and the centrifugal element, pressing the blocking piece of the sliding sleeve spring by hand, lifting the living machine body upwards, releasing the large steel ball, automatically popping out the delay firing pin, pouring out the two small steel balls and the firing pin spring, using an inclined nozzle forceps to remove the blocking piece of the sliding sleeve spring, taking the lower sliding sleeve spring and the sliding sleeve, using a flat tongs to separate the delay device cover and the firing pin seat,
s3.6.5, checking whether the part has cracks, deformation, anti-corrosion layer falling or three-level or more than three-level corrosion; checking whether the assembly of the components is correct or not, and whether the components are wrongly assembled or not;
s4, evaluating a fuse check result;
in step S3, the fuse is determined to be defective in one of the following cases;
s4.1, the fuse parts and components have the phenomena of wrong assembly, neglected assembly and the like;
s4.2, a fuse is provided with a fixed rod, and the action of the delay mechanism is automatically adjusted to be abnormal;
s4.3, the firing pin seat component and the living machine body component are not in the determined safety position;
s4.4, the part has cracks, deformation, falling of an anticorrosive coating or three-level or more than three-level corrosion;
s4.5, the detonator is arched or obviously shifts due to the reinforcing cap, and the detonator shell are cracked, deformed or rusted by three or more stages;
s4.6, cracks or collapse with the area 5% larger than the original area and the depth 1mm larger than the original area exist on the explosive charging surface of the booster.
2. A rotary drop hammer fuse test method according to claim 1, wherein: step S3.1.2 in, use and decompose the decomposition that cassette I (1), U type picture peg I (2) and decomposition spanner (3) carried out the booster, the detonator head is connected downwards in decomposing cassette I (1), in U type picture peg I (2) are pegged graft and are decomposed cassette I (1) again, the detonator is connected in U type picture peg I (2), decomposition spanner (3) are connected on the booster, decomposition spanner (3) rotate and revolve the booster down.
3. A rotary drop hammer fuse test method according to claim 2, wherein: the top surface of the decomposition card seat I (1) is provided with a taper hole (101), the taper section shape of the taper hole (101) is the same as that of the fuse taper section, the head part of the fuse is downwards connected in the taper hole (101), the top part of the taper hole (101) is provided with a rectangular through groove I (102), a U-shaped plug board I (2) is inserted in the rectangular through groove I (102), the fuse is clamped in the U-shaped plug board I (2), the decomposition wrench (3) comprises a guide pipe (301), a chuck (302), a connecting block (303) and a pin I (304), the guide pipe (301) is provided with a lower hole (3011) and an upper hole (3012), the lower hole (3011) is communicated with the upper hole (3012), the lower hole (3011) is arranged at the bottom end of the upper hole (3012), the chuck (302) comprises an upper block (3021) and a clamping part (3022), the upper block (3021) is arranged at the center of the top end of the clamping part (3022), the bottom end of the clamping part (3022) is provided with a clamping groove (3023), and a plurality of threaded holes (3024) are arranged on the outer wall (i) of the clamping groove (3024), the center of a clamping groove (3023) is used as a circumferential uniform distribution of a shaft for a plurality of threaded holes I (3024), a connecting block (303) is connected in the clamping groove (3023), a plurality of positioning holes (3031) are formed in the outer wall of the connecting block (303), the plurality of positioning holes (3031) correspond to the plurality of threaded holes I (3024) one by one, a positioning screw is connected in each threaded hole I (3024), the positioning screw penetrates through the threaded hole I (3024) and then is inserted into the positioning hole (3031), a pin hole I (3032) is formed in the bottom surface of the connecting block (303), the plurality of pin holes I (3032) correspond to connecting holes in the top end of the detonator detonating tube one by one, a plurality of pins I (304) are connected in the plurality of pin holes I (3032) respectively, and the bottom end of the pin I (304) is inserted into the connecting holes in the top end of the detonator detonating tube.
4. A rotary drop hammer fuse test method according to claim 3, wherein: step S3.2.2 in use baffle decomposition component (4) to screw down the baffle, baffle decomposition component (4) are including main seat (401), pin II (402) and handle (403), main seat (401) lower part is equipped with lower wall (4011), be equipped with a plurality of pinhole II (4012) on lower wall (4011), a plurality of pinhole II (4012) and the connecting hole one-to-one of baffle top surface, pin II (402) are equipped with a plurality ofly, a plurality of pin II (402) are pegged graft respectively in a plurality of pinhole II (4012), a plurality of pin II (402) bottom are pegged graft in the connecting hole of baffle top surface one-to-one, main seat (401) upper portion is equipped with handle hole (4013), handle (403) middle part fixed connection is in handle hole (4013), handle (403) both ends stretch out main seat (401).
5. A rotary drop hammer fuse test method according to claim 4, wherein: s3.3.1 the lower part of the fuse body is screwed down by using the lower part disassembly wrench (5), the lower part disassembly wrench (5) comprises a handle part (501) and a U-shaped inserting plate part (502), the handle part (501) is connected at the rear end of the U-shaped inserting plate part (502), and the U-shaped inserting plate part (502) is inserted outside the lower part of the fuse body.
6. A rotary drop hammer fuse test method according to claim 5, wherein: s3.4.1 in use and decompose II (6) in the cassette, U type picture peg II (7) and awl cap and decompose subassembly (8) and screw off the awl cap, the fuse upper part of the body head makes progress, the fuse upper part of the body afterbody is connected in decomposing II (6) in the cassette, II (7) in the U type picture peg are connected and are decomposed II (6) in the cassette, the fuse upper part of the body afterbody is connected in U type picture peg II (7), awl cap decomposition subassembly (8) suit is on the awl cap.
7. A rotary drop hammer fuse test method according to claim 6, wherein: the top surface of the decomposition clamping seat II (6) is provided with a center hole (601), the top of the center hole (601) is provided with a rectangular through groove II (602), the tail part of the fuse upper body is connected in the center hole (601), a U-shaped inserting plate II (7) is connected in the rectangular through groove II (602), the tail part of the fuse upper body is connected in the U-shaped inserting plate II (7), the cone cap decomposition component (8) comprises a main rod (801), a side block (802), a plug pin (803), a pull seat (804) and a spring (805), the center of the main rod (801) is provided with an inner cone hole (8011), two sides of the inner cone hole (8011) are respectively provided with a handle part (8012), the side wall of one side of the inner cone hole (8011) is provided with a screw hole II (8013) and a pin hole III (8014), the pin hole III (8014) is arranged in the middle of the side wall of one side of the inner cone hole (8011), two screw holes II (8013) are symmetrically arranged at the left side and the right side of the pin hole (8014), the side block (802) is connected to the side wall on one side of the inner taper hole (8011), the side block (802) is provided with two through holes (8021), the two through holes (8021) are symmetrical with the center of the side block (802), the center of the side block (802) is provided with a pin hole IV (8022) and a pin hole V (8023), the pin hole IV (8022) is communicated with the pin hole V (8023), the pin hole IV (8022) is arranged at the top end of the pin hole V (8023), the inner diameter of the pin hole V (8023) is larger than that of the pin hole IV (8022), the two through holes (8021) are both connected with an internal connection screw, the screw passes through the through hole (8021) and then is connected into a screw hole II (8013), the pin hole III (808014) is coaxial with the pin hole IV (8022) and the pin hole V (8023), the plug pin (803) comprises a lower pin part (8031), a step (8032) and an upper pin part (8033), the lower pin part (8031) is arranged at the lower end of the step (8032), an upper pin part (8033) is provided with an external thread (8034), lower pin portion (8031) sliding connection is in pinhole III (8014), step (8032) sliding connection is in pinhole V (8023), be connected with spring (805) between step (8032) top surface and pinhole V (8023) top surface, go up pin portion (8033) sliding connection is in pinhole IV (8022), external screw thread (8034) stretch out pinhole IV (8022), be equipped with screw hole (8041) on pull seat (804) bottom surface, external screw thread (8034) are connected in screw hole (8041), interior taper hole (8011) taper hole shape is the same with the awl cap shape, interior taper hole (8011) suit is on the awl cap, lower pin portion (8031) pegs graft in the connecting hole of awl cap.
8. A rotary drop hammer fuse test method according to any one of claims 1 to 7, wherein: the method also comprises a step S5 of reliability test of the fire transfer effect, which comprises the following steps:
s5, testing reliability of a fire transfer effect;
s5.1, taking the fuze subjected to the appearance inspection in the step S1, and screwing down the booster according to the step S3.1;
s5.2, weighing the mass of the booster by using a balance; the mass ratio of epoxy resin to epoxy resin curing agent is 1:1, and the mass of the pseudo booster is the same as that of the booster;
s5.3, taking out the partition plate according to the step S3.2.2, without taking out the safety system without the partition plate, screwing down the screw plug from the safety system without the partition plate by using a 5mm straight screwdriver, pouring out the recoil pin spring and the recoil pin, installing the partition plate back, and screwing the partition plate in place;
s5.4, connecting the false booster manufactured in the step S7.2 to the fuse completing the step S7.3;
s5.5, installing the fuse completing the step S7.4 to a short delay position by using an 8mm straight screwdriver;
s5.6, clamping the fuse head part which is subjected to the step S7.5 upwards on a rotary instrument, connecting a hammer dropping device above the fuse head part, wherein the rotating speed of the rotary instrument is 3400r/min, the acceleration time of the rotary instrument is 8S, the constant speed time of the rotary instrument is 15S, the hammer dropping device drops after the constant speed time of the rotary instrument is reached, and judging whether the explosion sound exists at the moment when the hammer drops;
and S5.7, structural evaluation, wherein after the detonator is fired, the detonating tube is not exploded or incompletely exploded and is unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110991153.7A CN113503781B (en) | 2021-08-26 | 2021-08-26 | Rotary drop hammer type fuse test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN113503781B (en) | 2022-06-10 |
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