CN104930916A - Mortar launching device - Google Patents

Mortar launching device Download PDF

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Publication number
CN104930916A
CN104930916A CN201510325660.1A CN201510325660A CN104930916A CN 104930916 A CN104930916 A CN 104930916A CN 201510325660 A CN201510325660 A CN 201510325660A CN 104930916 A CN104930916 A CN 104930916A
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CN
China
Prior art keywords
mortar
breech
elastic component
axle sleeve
firing pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510325660.1A
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Chinese (zh)
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CN104930916B (en
Inventor
刘丽华
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Guangzhou Railway Polytechnic
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Guangzhou Railway Polytechnic
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Publication date
Application filed by Guangzhou Railway Polytechnic filed Critical Guangzhou Railway Polytechnic
Priority to CN201510325660.1A priority Critical patent/CN104930916B/en
Publication of CN104930916A publication Critical patent/CN104930916A/en
Application granted granted Critical
Publication of CN104930916B publication Critical patent/CN104930916B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a mortar launching device. The device comprises a mortar breech, an elastic part, a blocking part, and a barrel shaped tube with a bore, wherein the breech is mounted at one end of the tube; a firing pin positioned in the bore is arranged on the breech; the blocking part comprises a shaft sleeve, and a heading which is arranged at the outer side of the shaft sleeve; the shaft sleeve sleeves the firing pin; the first end of the elastic part is arranged against the blocking part, and while the second end of the elastic part is arranged against the breech; at least one first exhaust hole is formed in the breech; when the elastic part is in the original state, the first exhaust hole is communicated with the bore; when the elastic part is compressed, the first exhaust hole is blocked through the beading. With the adoption of the device, a mortar can reliably downwards slide; the inside diameter of the tube under small gaps is adopted on the premise that the air can be exhausted through the first exhaust hole in the breech; therefore, the initial speed of the mortar can be increased, the firing range can be expanded, and meanwhile, the launching precision can be efficiently improved.

Description

Mortar emitter
Technical field
The present invention relates to drop fire mortar design and manufacturing technology field, particularly a kind of mortar emitter.
Background technology
As shown in Figure 1, traditional mortar, shell loads from gun muzzle, and then shell relies on self gravitation to glide in barrel and clashes into bottom firing pin and realizes getting angry, and shell is launched the gas produced and discharged from gun muzzle.The gas be extruded in bore when gliding for making shell flows out smoothly and don't affects the gliding speed of shell, just must leave gap between shell and thorax wall, and that is shell diameter is less than barrel internal diameter, and this is the condition of gun muzzle filling shell necessity.
Air below shell upwards need be discharged from the gap between shell and thorax wall, so gun muzzle filling flying pig from be loaded into slide to breech percussion need the regular hour, reduce the firing rate of mortar, this time is directly proportional to the gap length between shell and thorax wall.
Due to the existence in gap, when shell is launched, powder gases also will leak in a large number, and its amount of releasing can reach the 10-15% of powder gases total amount, and its result makes gun pressure reduce, and causes shell muzzle velocity to reduce.Gap is larger, and the powder gases amount of releasing is larger, and the capacity usage ratio of propellant is lower.
The existence in gap also have impact on the centering of shell in thorax, the shell after pulling the trigger can be swung when moving along barrel, and the powder gases amount of leakage often sending out bullet is inconsistent, causes initial velocity to scatter, thus causes shell fire accuracy to reduce.
In sum, the gap between shell and thorax wall is large, and the firing rate of shell improves, but shell initial velocity reduces, fire accuracy reduces; Gap between shell and thorax wall is little, and shell initial velocity improves, fire accuracy improves, but the firing rate of mortar reduces, and even because shell gliding speed is inadequate, firing power may be caused not enough and cause misfire.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, a kind of mortar emitter is provided, the initial velocity of flying pig, firing rate and fire accuracy can be improved.
Its technical scheme is as follows:
A kind of mortar emitter, comprise breech, elastic component, closeouts and there is the tubular barrel of bore, described breech is arranged on one end of barrel, and described breech is provided with the firing pin being positioned at bore, described closeouts comprises axle sleeve and is arranged on the convex shoulder outside axle sleeve, described axle sleeve is set in outside firing pin, the first end of described elastic component is connected in closeouts, second end is connected on breech, described breech is provided with at least one first row pore, when described elastic component in a state of nature time, described first row pore is communicated with bore; When described elastic component is compressed, described convex shoulder is by the shutoff of first row pore.
Wherein in an embodiment, be provided with installation cavity in described breech, described axle sleeve is arranged in this installation cavity, and the first end of described elastic component is connected on axle sleeve, and the second end is connected on the diapire of installation cavity.
Wherein in an embodiment, the bottom of described axle sleeve is provided with elastic component locating hole, and the first end of described elastic component is inlaid in this elastic component locating hole.
Wherein in an embodiment, be provided with the shoulder hole mated with firing pin in described axle sleeve, this shoulder hole has step surface, and described firing pin is through the bottom being fixed on installation cavity after shoulder hole, and described firing pin is also arranged with the locating part mated with this step surface outward.
Wherein in an embodiment, described breech is also provided with the second row pore be communicated with installation cavity, described second row pore is at least one.
Wherein in an embodiment, described mortar emitter also comprises swollen tire, and described swollen tire is set between axle sleeve and firing pin.
Wherein in an embodiment, the contact surface of described convex shoulder and breech is taper seat.
Wherein in an embodiment, described elastic component is spring.
Wherein in an embodiment, described convex shoulder is provided with the location division for shell location.
Wherein in an embodiment, described breech and barrel are removably connected by screw thread.
Below the advantage of preceding solution or principle are described:
Above-mentioned mortar emitter, breech place offers at least one first row pore, when loading, shell slips in bore, now elastic component in a state of nature, first row pore and bore keep being communicated with, and the air be extruded in bore is discharged smoothly from first row pore, make the more traditional mortar of shell gliding speed fast; When shell slips down to bottom, shell clashes into closeouts, and convex shoulder is moved down, and elastic component is compressed, and now first row pore is by shutoff, and shell touches mutually with firing pin simultaneously, and the basic pencil fire in a stove before fuel is added of percussion shell, ignite gunpowder.When bore gone out by shell, powder gas promotes shell motion on the one hand, and another invention acts on closeouts, makes convex shoulder and breech fit tightly further and shutoff first row pore, prevents powder gas from leaking.After shell flies out barrel, the gas pressure in bore reduces rapidly, and elastic component returns to reset condition, and first row pore is communicated with bore again, completes and once launches circulation.This mortar emitter, can ensure that mortar projectile reliably glides, and air, under the prerequisite that the first row pore breech is discharged, can adopt more closely spaced barrel internal diameter, thus can improve shell initial velocity, increase range, effectively improve fire accuracy simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mortar emitter of traditional mortar;
Fig. 2 is the structural representation of the mortar emitter described in the embodiment of the present invention;
Fig. 3 is the view of the mortar emitter (before shell percussion) described in the embodiment of the present invention;
Fig. 4 is the view of the mortar emitter (during shell percussion) described in the embodiment of the present invention;
Fig. 5 is the view of the mortar emitter (after shell percussion) described in the embodiment of the present invention.
Description of reference numerals:
1, barrel, 2, breech, 3, elastic component, 4, closeouts, 5, firing pin, 6, swollen tire, 20, first row pore, 21, installation cavity, 22, second row pore, 40, axle sleeve, 41, convex shoulder, 51, locating part, 400, elastic component locating hole, 401, shoulder hole, 410, location division.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As Fig. 2, shown in 3 (direction of arrow is gas discharge direction), mortar emitter described in the present embodiment, comprise breech 2, elastic component 3, closeouts 4 and there is the tubular barrel 1 of bore, described breech 2 is arranged on one end of barrel 1, and described breech 2 is provided with the firing pin 5 being positioned at bore, described closeouts 4 comprises axle sleeve 40 and is arranged on the convex shoulder 41 outside axle sleeve 40, described axle sleeve 40 is set in outside firing pin 5, the first end of described elastic component 3 is connected in closeouts 4, second end is connected on breech 2, described breech 2 is provided with at least one first row pore 20, and (first row pore 20 is two in the present embodiment, two first row pores 20 are arranged on the position of close convex shoulder), when described elastic component 3 in a state of nature time, described first row pore 20 is communicated with bore, when described elastic component 3 is by compression, described convex shoulder 41 is by first row pore 20 shutoff.Above-mentioned mortar emitter, breech 2 place offers at least one first row pore 20, when loading, shell slips in bore, now elastic component 3 in a state of nature, first row pore 20 and bore keep being communicated with, and the air be extruded in bore is discharged smoothly from first row pore 20, make the more traditional mortar of shell gliding speed fast; When shell slips down to bottom, shell clashes into closeouts 4, and convex shoulder 41 is moved down, and elastic component 3 is compressed, and now first row pore 20 is by shutoff, and shell touches mutually with firing pin 5 simultaneously, and the basic pencil fire in a stove before fuel is added of percussion shell, ignite gunpowder.When bore gone out by shell, powder gas promotes shell motion on the one hand, and another invention acts on closeouts 4, makes convex shoulder 41 and breech 2 fit tightly and shutoff first row pore 20 further, prevents powder gas from leaking.After shell flies out barrel 1, the gas pressure in bore reduces rapidly, and elastic component 3 returns to reset condition, and first row pore 20 is communicated with bore again, completes and once launches circulation.This mortar emitter, can ensure that mortar projectile reliably glides, air, under the prerequisite that the first row pore 20 breech 2 is discharged, can adopt more closely spaced barrel 1 internal diameter, thus can improve shell initial velocity, increase range, effectively improve fire accuracy simultaneously.
As shown in Figure 3, installation cavity 21 is provided with in described breech 2, described axle sleeve 40 is arranged in this installation cavity 21, the first end of described elastic component 3 is connected on axle sleeve 40, second end is connected on the diapire of installation cavity 21, coordinated with installation cavity 21 by axle sleeve 40, closeouts 4 is located reliably, avoids closeouts 4 to occur the situation of waving.
As shown in Figure 4, the bottom of described axle sleeve 40 is provided with elastic component locating hole 400, and the first end of described elastic component 3 is inlaid in this elastic component locating hole 400, by coordinating of elastic component 3 and elastic component locating hole 400, elastic component 3 is located reliably, prevents elastic component 3 and closeouts 4 from departing from.Be provided with the shoulder hole 401 mated with firing pin 5 in described axle sleeve 40, this shoulder hole 401 has step surface, and described firing pin 5 is through the bottom being fixed on installation cavity 21 after shoulder hole 401, and described firing pin 5 is outer is also arranged with the locating part 51 mated with this step surface.When mounted, be first placed in installation cavity 21 by elastic component 3, then axle sleeve 40 is enclosed within elastic component 3 outer and fill in installation cavity 21, finally firing pin 5 inserted shoulder hole 401 and fixed by the screwed hole bottom installation cavity 21, whole assembling process is simple and convenient.Locating part 51 also plays the effect that restriction closeouts moves axially stroke simultaneously, and the locating part 51 adopted in the present embodiment is stop nut.
In the present embodiment, described breech 2 is also provided with the second row pore 22 be communicated with installation cavity 21, described second row pore 22 is at least one (second row pore 22 is two in the present embodiment, and two second row pores 22 are arranged on the position of close elastic component).When shell slips into bore, the air be extruded can be discharged from first row pore 20 and second row pore 22 simultaneously, increases the gliding speed of shell further.
Preferably, the mortar emitter described in the present embodiment also comprises swollen tire 6, and described swollen tire 6 is arranged on the position between axle sleeve 40 and firing pin 5.Swollen tire 6 is after shell percussion, and radial elastic deformation occurs the gaseous-pressure being subject to gunpowder, thus is blocked by shoulder hole 401, avoids powder gas to leak from second row pore 22, also avoids elastic component 3 by powder gas ablation simultaneously.
As shown in Figure 3, described convex shoulder 41 is taper seat with the contact surface of breech 2, and gas is discharged smooth and easy, and after shell percussion, convex shoulder 41 and breech 2 is fitted closely, and the sealing effectiveness of first row pore 20 is better.In the present embodiment, described elastic component 3 is spring, and spring is standard component, durable reliable and replacement convenient, in other embodiments, also can use as having flexible sleeve etc. as elastic component 3.
As shown in Figure 4,5, described convex shoulder 41 is provided with the location division 410 for shell location, by location division 410, shell is effectively contacted with closeouts 4, contributes to shell and promotes closeouts 4.Described breech 2 and barrel 1 are removably connected by screw thread, safeguard and renewal part more convenient.Owing to only improving for mortar emitter, therefore the shell of mortar, gun carriage, end metal plate, sighting device and annex etc. all do not need to change, and can directly use.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a mortar emitter, it is characterized in that, comprise breech, elastic component, closeouts and there is the tubular barrel of bore, described breech is arranged on one end of barrel, and described breech is provided with the firing pin being positioned at bore, described closeouts comprises axle sleeve and is arranged on the convex shoulder outside axle sleeve, described axle sleeve is set in outside firing pin, the first end of described elastic component is connected in closeouts, second end is connected on breech, described breech is provided with at least one first row pore, when described elastic component in a state of nature time, described first row pore is communicated with bore, when described elastic component is compressed, described convex shoulder is by the shutoff of first row pore.
2. mortar emitter according to claim 1, is characterized in that, is provided with installation cavity in described breech, and described axle sleeve is arranged in this installation cavity, and the first end of described elastic component is connected on axle sleeve, and the second end is connected on the diapire of installation cavity.
3. mortar emitter according to claim 2, is characterized in that, the bottom of described axle sleeve is provided with elastic component locating hole, and the first end of described elastic component is inlaid in this elastic component locating hole.
4. mortar emitter according to claim 2, it is characterized in that, the shoulder hole mated with firing pin is provided with in described axle sleeve, this shoulder hole has step surface, described firing pin is through the bottom being fixed on installation cavity after shoulder hole, and described firing pin is also arranged with the locating part mated with this step surface outward.
5. the mortar emitter according to any one of claim 2-4, is characterized in that, described breech is also provided with the second row pore be communicated with installation cavity, and described second row pore is at least one.
6. mortar emitter according to claim 5, is characterized in that, also comprises swollen tire, and described swollen tire is set between axle sleeve and firing pin.
7. mortar emitter according to claim 5, is characterized in that, the contact surface of described convex shoulder and breech is taper seat.
8. mortar emitter according to claim 5, is characterized in that, described elastic component is spring.
9. mortar emitter according to claim 5, is characterized in that, described convex shoulder is provided with the location division for shell location.
10. mortar emitter according to claim 5, is characterized in that, described breech and barrel are removably connected by screw thread.
CN201510325660.1A 2015-06-12 2015-06-12 Mortar emitter Expired - Fee Related CN104930916B (en)

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CN104930916B CN104930916B (en) 2017-10-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300340A (en) * 2017-06-20 2017-10-27 朱继琼 400 kilometers of range artilleries
CN109238010A (en) * 2018-11-06 2019-01-18 四川科志人防设备股份有限公司 A kind of automatic control ignition emitter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2048572U (en) * 1988-08-13 1989-11-29 中国人民解放军湖南省岳阳军分区 Mortar and mortar simulated shell
US6851348B1 (en) * 1999-07-05 2005-02-08 Singapore Technologies Kinetics Ltd. Artillery firing mechanism
CN101939613A (en) * 2008-01-31 2011-01-05 帕特里亚地面与武器系统有限公司 Arrangement for supporting shell into breech-loading weapon barrel
CN204694158U (en) * 2015-06-12 2015-10-07 广州铁路职业技术学院 Mortar emitter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2048572U (en) * 1988-08-13 1989-11-29 中国人民解放军湖南省岳阳军分区 Mortar and mortar simulated shell
US6851348B1 (en) * 1999-07-05 2005-02-08 Singapore Technologies Kinetics Ltd. Artillery firing mechanism
CN101939613A (en) * 2008-01-31 2011-01-05 帕特里亚地面与武器系统有限公司 Arrangement for supporting shell into breech-loading weapon barrel
CN204694158U (en) * 2015-06-12 2015-10-07 广州铁路职业技术学院 Mortar emitter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300340A (en) * 2017-06-20 2017-10-27 朱继琼 400 kilometers of range artilleries
CN109238010A (en) * 2018-11-06 2019-01-18 四川科志人防设备股份有限公司 A kind of automatic control ignition emitter
CN109238010B (en) * 2018-11-06 2024-01-23 四川科志人防设备股份有限公司 Automatic control ignition emitter

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