CN111890269A - Integral filler assembly structure and assembly method of scattering mechanism - Google Patents

Integral filler assembly structure and assembly method of scattering mechanism Download PDF

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Publication number
CN111890269A
CN111890269A CN202010693059.9A CN202010693059A CN111890269A CN 111890269 A CN111890269 A CN 111890269A CN 202010693059 A CN202010693059 A CN 202010693059A CN 111890269 A CN111890269 A CN 111890269A
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China
Prior art keywords
initiating explosive
filler
section
integral
explosive device
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CN202010693059.9A
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CN111890269B (en
Inventor
郑勇
吕宏星
蔡超
常久龙
黄志斌
易会岩
张晓明
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Hubei Sanjiang Aerospace Jianghe Chemical Technology Co Ltd
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Hubei Sanjiang Aerospace Jianghe Chemical Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/02Assembly jigs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses an integral filler assembly structure and an assembly method of a scattering mechanism, wherein integral fillers are arranged in gaps on the periphery of an initiating explosive product of the scattering mechanism, the integral fillers are divided into a lower section, a middle section and an upper section which are arranged from bottom to top, fastening mechanisms are arranged outside the joint of the lower section and the middle section and the joint of the middle section and the upper section, and pressing plates are arranged on the integral fillers; the assembling structure is also provided with temporary accessories, and the temporary accessories comprise a protective cap and a temporary pressing plate which are arranged at the head of the initiating explosive device, an upper pre-tightening device and a lower pre-tightening device which are arranged outside the initiating explosive device, and a flexible protection device which is arranged outside the lower, middle and upper sections of the integral filler. During specific assembly, the protective cap and the temporary pressure plate are adopted to be pre-locked, then the lower section, the middle section and the upper section are sequentially installed, the pre-tightening device, the initiating explosive device safety screw and the flexible protection device are disassembled at different occasions, the pressure plate and the fastening mechanism are installed, assembly is smoothly completed, and product quality is guaranteed.

Description

Integral filler assembly structure and assembly method of scattering mechanism
Technical Field
The invention relates to the technical field of scattering mechanisms, in particular to an integral filler assembly structure and an assembly method of a scattering mechanism.
Background
The gap between the initiating explosive device and the supporting structure is filled with fillers when a certain warhead scattering mechanism is assembled, the product design in the early stage adopts a block type filler structure for assembly, and the later stage is improved into an integral filler structure. As the whole filler material is hard polyurethane foam plastic, and the connection thickness of the weakest part is only 2mm, the whole filler material is easy to break or damage in the assembly process of the scattering mechanism, and cannot be assembled according to a block filler mode. The assembly quality of the whole filler directly influences the throwing effect of the initiating explosive device, and the final product quality can be ensured only by developing a structure and a method which are convenient to assemble.
Disclosure of Invention
The invention provides an integral filler assembling structure and an assembling method of a scattering mechanism, which can realize smooth assembly of the integral filler of the scattering mechanism and meet design requirements.
The technical scheme includes that the integral filler assembly structure of the scattering mechanism is characterized in that integral fillers are arranged in gaps on the periphery of an initiating explosive product of the scattering mechanism and are divided into a lower section, a middle section and an upper section which are arranged from bottom to top, the lower section, the middle section and the upper section are attached, fastening mechanisms are arranged at the joint of the lower section and the middle section and the joint of the middle section and the upper section, and pressing plates are arranged on the integral fillers; the integral filler assembly structure is also provided with temporary accessories, the temporary accessories comprise a protective cap and a temporary pressing plate which are arranged at the head of an initiating explosive device, an upper pre-tightening device and a lower pre-tightening device which are arranged outside the initiating explosive device, and a flexible protection device which is arranged at the outer side of the lower middle upper section of the integral filler, wherein the protective cap is positioned at the head of the initiating explosive device, and the temporary pressing plate is matched to pre-press and position the initiating explosive device.
Furthermore, the whole filler is made of polyurethane, the outer side of the whole filler is cylindrical, and the inner side of the whole filler is matched with the peripheral gap of the initiating explosive device.
Furthermore, the bottom of the protective cap is open, the top of the protective cap is closed, the top of the protective cap is fan-shaped from the top view, and the shape of the inner wall of the protective cap is matched with the shape of the head of the initiating explosive device. The central angle of the fan-shaped circle is less than or equal to 160 degrees, the partial area of the top of the initiating explosive device is covered by the protective cap, the initiating explosive device is associated with the temporary pressing plate, and temporary positioning is achieved.
Furthermore, the edge of the temporary pressing plate is provided with pressing tips which are distributed in a petal shape, the number of the pressing tips corresponds to the peripheral number of the initiating explosive devices, through holes are formed in the temporary pressing plate, and the arrangement positions, the sizes and the number of the through holes correspond to the structural parts of the scattering mechanism respectively.
Further, the size of the pressing plate can cover the initiating explosive device and the whole filler, the size of the temporary pressing plate is smaller than that of the pressing plate, and only the pressing tip can cover or the initiating explosive device.
Furthermore, the flexible protection device adopts a synthetic fiber fastening belt and a double-strand latex tube for combined protection. Double strands of latex tubes are mounted near the upper and/or lower portions of the synthetic fiber fastening tape for combined protection to avoid cracking of the integral filler when one of the protections fails unexpectedly.
Furthermore, the fastening mechanism is made of stainless steel materials with the thickness of 1mm, one group of the fastening mechanism is 2, and two ends of the fastening mechanism are locked by tooth-shaped occlusion bolts.
The invention also relates to an integral filler assembly method of the scattering mechanism, which comprises the following steps:
1) firstly, mounting a structural member on a support structure, then mounting an initiating explosive device, adjusting the position of a safety screw of the initiating explosive device to be outward, mounting an upper pre-tightening device and a lower pre-tightening device on the outer side of the initiating explosive device, mounting a protective cap on the head of the initiating explosive device after the size of the initiating explosive device is adjusted to meet the requirement, and finally mounting a temporary pressing plate on the protective cap for locking;
2) installing the lower section of the integral filler from the upper part of the initiating explosive device, installing a flexible protection device on the outer side of the lower section of the integral filler, pressing the lower section of the integral filler to be close to the upper pre-tightening device, tightening the flexible protection device, then disassembling the upper pre-tightening device, continuously pressing the lower section of the integral filler to the lower pre-tightening device, then installing the middle section of the integral filler, installing the flexible protection device on the outer side of the middle section of the integral filler, pressing the middle section of the integral filler to be in contact with the lower section, and disassembling an insurance screw of the initiating explosive device;
3) after all the safety screws of the initiating explosive device are disassembled, the pre-tightening device is disassembled, the lower section and the middle section of the integral filler are pressed down to the upper plane of the supporting structure to be attached, then the upper section of the integral filler is installed, the flexible protection device is installed on the outer side of the upper section of the integral filler, the upper section is pressed down to be attached to the middle section, then fastening mechanisms are installed at the attaching positions of the lower section and the middle section and the attaching positions of the middle section and the upper section to be locked, a formal pressing plate is installed after the temporary pressing plate and the protective cap are disassembled, the fastening nuts on the pressing plate are adjusted to be pre-pressed, the lower end face of the lower section of the integral filler is observed to be attached to the upper plane of the supporting structure, the three sections of integral fillers are attached, the fastening nuts on the pressing plate are loosened, the fastening mechanisms are locked in place according to.
Furthermore, when the safety screw of the initiating explosive device is disassembled, the I-shaped screwdriver is adopted for disassembling, and the safety screw of the initiating explosive device is disassembled according to the sequence of firstly disassembling the inner ring and then disassembling the outer ring, so that the forced disassembly is avoided.
Furthermore, before the safety screws of the initiating explosive device are disassembled, the lower part of the initiating explosive device is attached to the upper plane of the supporting structure, and the flexible protection device is fastened.
The invention has the following beneficial effects:
1. the integral filler is transversely split into the upper section, the middle section and the lower section to be integrally processed and molded, the height of each section of the integral filler is greatly reduced, and the integral filler can be prevented from being broken or damaged in the process of being installed and pressed down, so that smooth installation is ensured.
2. The original block type assembling process is adjusted to be a block type assembling process, a reliable protection system is arranged, a flexible protection device is arranged on the outer side when the upper section, the middle section and the lower section are installed, the whole filler can be better protected, the rigid fastening structure is prevented from possibly damaging the rigid fastening structure, the upper pre-tightening device, the lower pre-tightening device and the safety screws of the initiating explosive device are gradually dismantled, and the fastening mechanisms for locking the whole filler are installed until all the parts are in place. The time for assembling and disassembling is accurate, and the method for assembling and disassembling is proper, thereby realizing the successful assembly of the whole filler.
3. According to the protective cap and the temporary pressing plate, the protective cap is arranged at the head of the initiating explosive device and is matched with the process pressing plate to pre-compress and position the initiating explosive device, so that the initiating explosive device is prevented from moving, the installation of the whole filler is not influenced, and the protective cap and the temporary pressing plate play a role in compressing and protecting the initiating explosive device when the safety screw of the initiating explosive device is disassembled. The shape and the size of interim clamp plate are different from formal clamp plate, and its size is less, and when it pressed peripheral initiating explosive devices product again, it was the pointed end of pressing that petal form distributes through it and realizes pressing the location, can provide sufficient space for the installation of whole filler in later stage, avoids blockking the pushing down of whole filler.
Drawings
FIG. 1 is a top view of the monolith.
Fig. 2 is a view in the direction BB of fig. 1.
Fig. 3 is a top view of the dispensing mechanism, with the pressure plate not shown.
Fig. 4 is a schematic structural diagram after installation in step 1).
FIG. 5 is a schematic view of a lower installation structure of the integral packing.
FIG. 6 is a schematic view of the lower and middle installation structures of the integral packing.
Fig. 7 is a schematic structural diagram of a product after the installation of the integral filler is completed.
Fig. 8 is a schematic structural view of the temporary pressing plate.
Fig. 9 is a top view of the protective cap.
Fig. 10 is an AA-side view of fig. 9.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings, but the present invention should not be construed as being limited thereto.
The invention provides an integral filler assembly structure of a throwing mechanism, as shown in figures 1-3, an integral filler 2 is arranged in a gap at the periphery of an initiating explosive product 1 of the throwing mechanism, the integral filler is divided into a lower section 2-1, a middle section 2-2 and an upper section 2-3 which are arranged from bottom to top, the lower section, the middle section and the upper section are jointed, fastening mechanisms 3 are arranged at the joint of the lower section and the middle section and the joint of the middle section and the upper section, and a pressing plate 4 is arranged on the integral filler; this whole filler assembly structure still is equipped with interim accessory, including locating protective cap 5 and the interim clamp plate 6 of initiating explosive device product head, locating the outside last preloading device 7 and the preloading device 8 down of initiating explosive device, locate the flexible protector 9 in the upper segment outside under the whole filler, the protective cap is located initiating explosive device product head, cooperates interim clamp plate to realize the pre-compaction location to initiating explosive device.
In the preferred scheme, whole filler is the polyurethane material, and its outside is cylindricly, and the peripheral clearance shape of inboard cooperation initiating explosive device sets up.
In a preferable scheme, the bottom of the protective cap is open, the top of the protective cap is closed, the top of the protective cap is in a fan shape from the top view, and the shape of the inner wall of the protective cap is matched with the shape of the head of the initiating explosive device. The central angle of the fan-shaped circle is less than or equal to 160 degrees, the partial area of the top of the initiating explosive device is covered by the protective cap, the initiating explosive device is associated with the temporary pressing plate, and temporary positioning is achieved. As shown in fig. 9-10.
In the preferred scheme, the edge of the temporary pressing plate 6 is provided with pressing tips 6-1 which are distributed in a petal shape, the number of the pressing tips corresponds to the peripheral number of the initiating explosive devices, through holes 6-2 are arranged in the temporary pressing plate, and the arrangement positions, the sizes and the number of the through holes respectively correspond to the structural members of the scattering mechanism. As shown in fig. 8.
In the preferred scheme, the size of pressing plate can cover initiating explosive device and whole filler, and the size of interim pressing plate is less than the pressing plate size, only presses the pointed end and can cover or initiating explosive device.
In the preferred scheme, the flexible protection device adopts a synthetic fiber fastening belt and a double-strand latex tube for combined protection.
In the preferred scheme, the fastening mechanisms are made of stainless steel materials with the thickness of 1mm, one group of the fastening mechanisms are 2, and two ends of the fastening mechanisms are locked by adopting toothed occlusion bolts.
The assembling method of the integral filler structure of the scattering mechanism comprises the following steps:
1) firstly, mounting a structural member 11 on a support structure 10, then mounting an initiating explosive device 1, adjusting the position of a safety screw 12 of the initiating explosive device to face outwards, mounting an upper pre-tightening device and a lower pre-tightening device on the outer side of the initiating explosive device, mounting a protective cap on the head of the initiating explosive device after the size of the initiating explosive device is adjusted to meet the requirement, and finally mounting a temporary pressing plate on the protective cap for locking; as shown in particular in fig. 4;
2) installing the lower section of the integral filler from the upper part of the initiating explosive device, installing a flexible protection device on the outer side of the lower section of the integral filler, pressing the lower section of the integral filler to be close to the upper pre-tightening device, tightening the flexible protection device, then disassembling the upper pre-tightening device, continuously pressing the lower section of the integral filler to the lower pre-tightening device, then installing the middle section of the integral filler, installing the flexible protection device on the outer side of the middle section of the integral filler, pressing the middle section of the integral filler to be in contact with the lower section, and disassembling an insurance screw of the initiating explosive device; as shown in fig. 5 and 6;
3) after all the safety screws of the initiating explosive device are disassembled, the pre-tightening device is disassembled, the lower section and the middle section of the integral filler are pressed down to the upper plane of the supporting structure to be attached, then the upper section of the integral filler is installed, the flexible protection device is installed on the outer side of the upper section of the integral filler, the upper section is pressed down to be attached to the middle section, then fastening mechanisms are installed at the attaching positions of the lower section and the middle section and the attaching positions of the middle section and the upper section to be locked, a formal pressing plate is installed after the temporary pressing plate and the protective cap are disassembled, the fastening nuts on the pressing plate are adjusted to be pre-pressed, the lower end face of the lower section of the integral filler is observed to be attached to the upper plane of the supporting structure, the three sections of integral fillers are attached, the fastening nuts on the pressing plate are loosened, the fastening mechanisms are locked in place according to. As shown in fig. 7.
In the preferred scheme, adopt a word screwdriver to dismantle when dismantling the initiating explosive device safety screw to dismantle the initiating explosive device safety screw according to the order of tearing the inner circle earlier and tearing open the outer lane again, avoid dismantling by force.
Further preferably, the lower part of the initiating explosive device is ensured to be attached to the upper plane of the supporting structure before the safety screw of the initiating explosive device is disassembled, and the flexible protection device is ensured to be fastened.
The assembly structure and the method are successfully applied to assembly of a plurality of batches of products at present, and the assembled products meet the design requirements.

Claims (10)

1. The utility model provides a spill whole filler assembly structure of mechanism, spills the peripheral clearance of mechanism's firer product and be equipped with whole filler, its characterized in that: the integral filler is divided into a lower section, a middle section and an upper section which are arranged from bottom to top, the lower section, the middle section and the upper section are jointed, fastening mechanisms are arranged outside the joint of the lower section and the middle section and the joint of the middle section and the upper section, and a pressing plate is arranged on the integral filler; the integral filler assembly structure is also provided with temporary accessories, the temporary accessories comprise a protective cap and a temporary pressing plate which are arranged at the head of an initiating explosive device, an upper pre-tightening device and a lower pre-tightening device which are arranged outside the initiating explosive device, and a flexible protection device which is arranged at the outer side of the lower middle upper section of the integral filler, wherein the protective cap is positioned at the head of the initiating explosive device, and the temporary pressing plate is matched to pre-press and position the initiating explosive device.
2. The unitary packing assembly of a dispensing mechanism of claim 1, wherein: the whole filler is made of polyurethane, the outer side of the whole filler is cylindrical, and the inner side of the whole filler is matched with the peripheral gap shape of the initiating explosive device.
3. The unitary packing assembly of a dispensing mechanism of claim 1, wherein: the protective cap is open at the bottom and closed at the top, the top of the protective cap is fan-shaped when viewed from top, and the shape of the inner wall of the protective cap is matched with that of the head of an initiating explosive device.
4. The unitary packing assembly of a dispensing mechanism of claim 1, wherein: the temporary pressing plate is characterized in that pressing tips are arranged on the edge of the temporary pressing plate and distributed in a petal shape, the number of the pressing tips corresponds to the peripheral number of the initiating explosive devices, through holes are formed in the temporary pressing plate, and the arrangement positions, the sizes and the number of the through holes correspond to the structural members of the scattering mechanism respectively.
5. The unitary packing assembly of a dispensing mechanism of claim 4, wherein: the size of the pressing plate can cover the initiating explosive device and the whole filler, the size of the temporary pressing plate is smaller than that of the pressing plate, and only the pressing tip can cover the initiating explosive device or the initiating explosive device.
6. The unitary packing assembly of a dispensing mechanism of claim 1, wherein: the flexible protection device adopts a synthetic fiber fastening belt and a double-strand latex tube for combined protection.
7. The unitary packing assembly of a dispensing mechanism of claim 1, wherein: the fastening mechanism is made of stainless steel materials with the thickness of 1mm, one group of the fastening mechanism is 2, and two ends of the fastening mechanism are locked by tooth-shaped occlusion bolts.
8. A method for assembling integral fillers of a throwing mechanism is characterized by comprising the following steps:
1) firstly, mounting a structural member on a support structure, then mounting an initiating explosive device, adjusting the position of a safety screw of the initiating explosive device to be outward, mounting an upper pre-tightening device and a lower pre-tightening device on the outer side of the initiating explosive device, mounting a protective cap on the head of the initiating explosive device after the size of the initiating explosive device is adjusted to meet the requirement, and finally mounting a temporary pressing plate on the protective cap for locking;
2) installing the lower section of the integral filler from the upper part of the initiating explosive device, installing a flexible protection device on the outer side of the lower section of the integral filler, pressing the lower section of the integral filler to be close to the upper pre-tightening device, tightening the flexible protection device, then disassembling the upper pre-tightening device, continuously pressing the lower section of the integral filler to the lower pre-tightening device, then installing the middle section of the integral filler, installing the flexible protection device on the outer side of the middle section of the integral filler, pressing the middle section of the integral filler to be in contact with the lower section, and disassembling an insurance screw of the initiating explosive device;
3) after all the safety screws of the initiating explosive device are disassembled, the pre-tightening device is disassembled, the lower section and the middle section of the integral filler are pressed down to the upper plane of the supporting structure to be attached, then the upper section of the integral filler is installed, the flexible protection device is installed on the outer side of the upper section of the integral filler, the upper section is pressed down to be attached to the middle section, then fastening mechanisms are installed at the attaching positions of the lower section and the middle section and the attaching positions of the middle section and the upper section to be locked, a formal pressing plate is installed after the temporary pressing plate and the protective cap are disassembled, the fastening nuts on the pressing plate are adjusted to be pre-pressed, the lower end face of the lower section of the integral filler is observed to be attached to the upper plane of the supporting structure, the three sections of integral fillers are attached, the fastening nuts on the pressing plate are loosened, the fastening mechanisms are locked in place according to.
9. The assembly method of claim 8, wherein: adopt a word screwdriver to dismantle when dismantling the initiating explosive device insurance screw to dismantle according to the order of tearing open the inner circle earlier and tearing open the outer lane again, avoid dismantling by force the initiating explosive device insurance screw.
10. The assembly method according to claim 8 or 9, wherein: before the safety screw of the initiating explosive device is disassembled, the lower part of the initiating explosive device is attached to the upper plane of the supporting structure, and the flexible protection device is fastened.
CN202010693059.9A 2020-07-17 2020-07-17 Integral filler assembly structure and assembly method of scattering mechanism Active CN111890269B (en)

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CN111890269B CN111890269B (en) 2021-10-12

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH395798A (en) * 1963-03-21 1965-07-15 Transurvey Holding Company Inc Set of a projectile and its launching device
CN1296136A (en) * 1999-11-10 2001-05-23 永山电子工业株式会社 Metal fastening parts and shell part for artillery cannonball
CN105091675A (en) * 2015-09-24 2015-11-25 哈尔滨展达机器人自动化有限责任公司 Feeding, cleaning, gasket installing and closing-in integrated machine for fire work columnar shells
CN209118804U (en) * 2018-09-11 2019-07-16 东莞市领康特种导体有限公司 A kind of Combined aluminum alloy line of multistage winding
CN110434577A (en) * 2019-08-08 2019-11-12 西安近代化学研究所 A kind of lifting rotation clamping device for warhead assembly
CN210101578U (en) * 2019-05-09 2020-02-21 均胜汽车安全系统(湖州)有限公司 Pyrotechnic cup of pyrotechnic gas generator
CN210862402U (en) * 2019-10-25 2020-06-26 北京理工大学 Damage evaluation microsystem uniform distribution device in combat part

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH395798A (en) * 1963-03-21 1965-07-15 Transurvey Holding Company Inc Set of a projectile and its launching device
CN1296136A (en) * 1999-11-10 2001-05-23 永山电子工业株式会社 Metal fastening parts and shell part for artillery cannonball
CN105091675A (en) * 2015-09-24 2015-11-25 哈尔滨展达机器人自动化有限责任公司 Feeding, cleaning, gasket installing and closing-in integrated machine for fire work columnar shells
CN209118804U (en) * 2018-09-11 2019-07-16 东莞市领康特种导体有限公司 A kind of Combined aluminum alloy line of multistage winding
CN210101578U (en) * 2019-05-09 2020-02-21 均胜汽车安全系统(湖州)有限公司 Pyrotechnic cup of pyrotechnic gas generator
CN110434577A (en) * 2019-08-08 2019-11-12 西安近代化学研究所 A kind of lifting rotation clamping device for warhead assembly
CN210862402U (en) * 2019-10-25 2020-06-26 北京理工大学 Damage evaluation microsystem uniform distribution device in combat part

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