CN202008325U - 130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead - Google Patents
130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead Download PDFInfo
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- CN202008325U CN202008325U CN2011201397015U CN201120139701U CN202008325U CN 202008325 U CN202008325 U CN 202008325U CN 2011201397015 U CN2011201397015 U CN 2011201397015U CN 201120139701 U CN201120139701 U CN 201120139701U CN 202008325 U CN202008325 U CN 202008325U
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- base bleed
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- howitzer
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Abstract
The utility model discloses a 130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead. A fuse, a warhead, a rocket device and a base bleed device are arranged in a bullet of the blast fragmentation warhead; the rocket device and the base bleed device are positioned at the bottom of the bullet; and relative to the bullet, the rocket device is arranged at the front part and the base bleed device is arranged at the rear part, and the rocket device and the base bleed device are arranged in a serial connection manner. By adopting an extended range mode that the base bleed is first and the rocket is second, the advantages of two extended range technologies are fully played and the defects of the two extended range technologies can be avoided. When the compounded extended range is combined with the high initial speed and low elasticity resistant technology, the extended range rate can be ensured to reach over 50 percent.
Description
Technical field
The utility model relates to a kind of howitzer and kills quick-fried bullet, relates in particular to that row kills quick-fried bullet with the rocket composite distance increasing at the bottom of a kind of 130mm howitzer.
Background technology
In modern war, the depth in battlefield is all obviously deepened, and common howitzer and base bleed range expansion howitzer are because of the short needs that can not satisfy some combat duty of range.Rocket extended range is that the rocket engine by projectile tail directly increases range for shell provides onward impulse.Common projectile when flight be not only anterior is keeping off at air drag, and the bottom can produce eddy current and dragging, and end row's bullet is to discharge gas lentamente by the gas generator at the bottom of the bullet, can break up the eddy current of afterbody, resistance is little, and natural range can increase, and ratio of profit increase is 30% usually.End row's bullet, it is exactly base bleed projectile, when bullet when the air high speed is flown, the air ratio of its head is denser, the air of side slips over from the bullet surface, can not converge, thereby the air of afterbody is just thin at afterbody at once, thus air to the pressure of projectile head greater than pressure to afterbody, form a kind of pressure drag that hinders projectile flight, and the jet bullet in bottom is exactly by the additional air jet system of projectile tail, in the most of the time of projectile flight, slowly spray gas, fill up low-pressure area at the bottom of the bullet, bullet bottom pressure using is raise, reduce pressure drag.The Cheng Yuanli that increases of the engine of air jet system and the rocket assisted cartridge of the jet bullet in bottom has basic differently, and one is that the reaction force that a large amount of gas and air produced that utilizes rocket engine to spray fast reaches and increases the journey purpose; One then is to improve by the powder gases that air jet system slowly sprays to play base area pressure, reduces the pressure drag of air to bullet, reaches to increase the journey purpose.Characteristics such as that base bleed projectile has is simple in structure, fire accuracy is high, dynamite charge is many, the bullet power is big.
The composite distance increasing bullet because of far firing range much larger than the base bleed range expansion bullet, can be under the situation that not change the shooting position, enemy's depth important goal (headquarter, area of assembly, transport hub) waited shoot and ground combat troop is carried out long-range fire support and enemy ground forces carried out remote ground firepower suppress.
Domestic 130 millimeters bore howitzers ammunition commonly used is common howitzer and base bleed range expansion bullet at present, and domestic blank has been filled up in the development of 130 millimeters composite distance increasing bullets, and the range of 130 millimeters bore howitzers is increased greatly, has improved fighting efficiency.
Summary of the invention
In view of this, row killed quick-fried bullet with the rocket composite distance increasing at the bottom of the utility model provided a kind of 130mm howitzer, this bullet is on the basis of base bleed range expansion bullet, at the Changing Pattern of projectile flight resistance, and the novel journey approach that increases of row's drag reduction and two range-extending techniques of rocket assist at the bottom of the integrated application.Adopt the journey mode that increases of elder generation's end row back rocket can give full play to the advantage of these two kinds of range-extending techniques and avoid its shortcoming.
Row kills quick-fried bullet with the rocket composite distance increasing at the bottom of a kind of 130 millimeters howitzers, and caliber 130mm is equipped with fuse 1, warhead 2, rocket means 3, bottom row device 4 in the described bullet that kills quick-fried bullet, it is characterized in that:
Rocket means 3 is in the bullet bottom with bottom row device 4, and bullet relatively, rocket means 3 be preceding, bottom row device 4 after, be series system and arrange.
Described fuse 1 is mechanical contact fuze.
Filling TNT in the described warhead 2.
Described rocket means 3 comprises rocket powder column, preceding igniter cartridge, jet pipe.
Described bottom row device 4 comprises the bottom drainage drug post.
Adopt the journey mode that increases of elder generation's end row back rocket can give full play to the advantage of these two kinds of range-extending techniques and avoid its shortcoming.When this composite distance increasing with high initial speed, when low-resistance bullet shape technology combines, can make to increase the journey rate and reach more than 50%.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that row's rocket composite distance increasing kills quick-fried bullet structural representation at the bottom of 130 millimeters howitzers;
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
To kill quick-fried bullet be on the basis of base bleed range expansion bullet to row's rocket composite distance increasing at the bottom of 130 millimeters howitzers, at the Changing Pattern of projectile flight resistance, and the novel journey approach that increases of row's drag reduction and two range-extending techniques of rocket assist at the bottom of the integrated application.Adopt the journey mode that increases of elder generation's end row back rocket can give full play to the advantage of these two kinds of range-extending techniques and avoid its shortcoming.
The theoretical foundation why the composite distance increasing bullet can cross the bigger range of acquisition is: bullet goes out behind gun muzzle in the very big low-latitude flying of atmospheric density, and air drag is very big, and the ratio that end resistance accounts for whole air drag is also big, therefore adopts the base bleed drag reduction to increase journey.When bullet enters the little high-altitude of atmospheric density, quicken with rocket engine again, to obtain the higher journey rate that increases.
Fig. 1 is that row's rocket composite distance increasing kills quick-fried bullet structural representation at the bottom of 130 millimeters howitzers, interior arming 1, warhead 2, rocket means 3, end row's part device 4, and fuse is mechanical contact fuze; Filling TNT in the warhead; Rocket means is made up of parts such as rocket powder column, preceding igniter cartridge, jet pipes; The rocket powder column is a modification double-basis type rocket medicine.Bottom row device is made up of end row's object and bottom drainage drug post.The bottom drainage drug post adopts the firework medicament prescription of technology maturation, and burn rate is stable, and drag reduction efficiency is higher.The rocket firing system adopts the Dark Ignition tool.
The primary structure characteristics sees the following form:
Tandem at the bottom of the bullet extended-range device total arrangement employing bullet.Series-mode frame is exist together bullet bottom of rocket means and bottom row device at the bottom of the bullet, and bullet relatively, rocket means be preceding, bottom row device after, be series system and arrange.At the bottom of the bullet, the propagation of explosion sequence with bullet does not interfere, and makes whole bullet general structure layout simple relatively because rocket means and bottom row device are lived together.According to the design and the arrangement of rocket exhaust passage, this citation form can be realized asynchronous working, and the reliable operation degree is higher.
Row's rocket composite distance increasing kills quick-fried bullet beneficial effect and is at the bottom of 130 millimeters howitzers:
1, this composite distance increasing is with high initial speed, when low-resistance bullet shape technology combines, and can make to increase the journey rate and reach more than 50%.
2, domestic 130 millimeters bore howitzers ammunition commonly used is common howitzer and base bleed range expansion bullet at present, and the development of 130 millimeters composite distance increasing bullets is after bullet goes out gun muzzle, and the end arranges beginning work.
When bullet enters certain altitude, end row end-of-job, rocket engine is lighted, push bullet to apex of the trajectory after, bullet freedom of entry trajectory plays and increases Cheng Zuoyong, hits the mark and ignites warhead by fuse, reaches the purpose that hits the mark at last.This bullet has been filled up domestic blank, and the range of 130 millimeters bore howitzers is increased greatly, has improved fighting efficiency.
As can be seen from Figure 1, earlier TNT is filled in explosive assembly casing inside, rocket engine is filled in motor body inside.Bottom drainage drug post that will suppress and coat and ignition system are assemblied in end row's enclosure interior again.At last with warhead, rocket engine and bottom row device three part combinations.The interior percussion of the 130 millimeters big guns of packing into is acted on respectively by bottom row device, rocket engine, can play to increase the effect that journey hits the mark for twice.
The above only is the specific embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. row kills quick-fried bullet with the rocket composite distance increasing at the bottom of the 130mm howitzer, in the described bullet that kills quick-fried bullet fuse (1), warhead (2), rocket means (3), bottom row device (4) is housed, and it is characterized in that:
Rocket means (3) and bottom row device (4) are in the bullet bottom, and bullet relatively, rocket means (3) be preceding, bottom row device (4) after, be series system and arrange; The described caliber that kills quick-fried bullet is 130mm.
2. kill quick-fried bullet according to claim 1, it is characterized in that: described fuse (1) is mechanical contact fuze.
3. kill quick-fried bullet according to claim 1, it is characterized in that: filling TNT in the described warhead (2).
4. kill quick-fried bullet according to claim 1, it is characterized in that: described rocket means (3) comprises rocket powder column, preceding igniter cartridge, jet pipe.
5. kill quick-fried bullet according to claim 1, it is characterized in that: described bottom row device (4) comprises the bottom drainage drug post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201397015U CN202008325U (en) | 2011-05-05 | 2011-05-05 | 130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201397015U CN202008325U (en) | 2011-05-05 | 2011-05-05 | 130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008325U true CN202008325U (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201397015U Expired - Fee Related CN202008325U (en) | 2011-05-05 | 2011-05-05 | 130mm howitzer base bleed and rocket compounded extended-range blast fragmentation warhead |
Country Status (1)
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|---|---|
| CN (1) | CN202008325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073683A1 (en) * | 2018-10-12 | 2020-04-16 | 北京理工大学 | Separable combined range-extending system and method for aircraft |
| CN111735352A (en) * | 2020-07-13 | 2020-10-02 | 中北大学 | Coaxial parallel-charge bottom-row anti-drag projectile bottom separation and mass-reduction range-extending projectile |
-
2011
- 2011-05-05 CN CN2011201397015U patent/CN202008325U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073683A1 (en) * | 2018-10-12 | 2020-04-16 | 北京理工大学 | Separable combined range-extending system and method for aircraft |
| CN111735352A (en) * | 2020-07-13 | 2020-10-02 | 中北大学 | Coaxial parallel-charge bottom-row anti-drag projectile bottom separation and mass-reduction range-extending projectile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20140505 |