CN104949588A - Shell and dispenser separating and dispensing mechanism - Google Patents
Shell and dispenser separating and dispensing mechanism Download PDFInfo
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- CN104949588A CN104949588A CN201510405440.XA CN201510405440A CN104949588A CN 104949588 A CN104949588 A CN 104949588A CN 201510405440 A CN201510405440 A CN 201510405440A CN 104949588 A CN104949588 A CN 104949588A
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Abstract
The invention discloses a shell and dispenser separating and dispensing mechanism which comprise a shell locking mechanism, a dispensing spring, a simulation bomblet platform and an unlocking mechanism, wherein the shell locking mechanism comprises a shifting pin rod provided with inserting pins and boss elements which are arranged on inner surfaces of shells and provided with inserting pin holes, when the shell locking mechanism is in a locked state, the inserting pins are just inserted into the inserting pin holes, at the moment, one end of the dispensing spring is propped against the simulation bomblet platform, and the other end is propped against the inner surfaces of shells; when unlocking is performed by the unlocking mechanism, the shifting pin rod is driven to slide backwards, the inserting pins are separated from the inserting pin holes, and the dispensing spring pops the shells out through bouncing force. The whole mechanism adopts different shell mounting and fixing modes, can realize synchronous dispensing and separation of multiple shells and solves the problem that the conventional mechanism can only dispense two shells, the dispensing magnitude of angular velocity of each shell can be adjusted flexibly according to requirements, test errors are reduced effectively, and the test period is shortened.
Description
Technical field:
The present invention relates to model in wind tunnel to support and throw in, particularly relate to a kind of shell pieces, female bullet is separated scattering mechanism, belong to Aerospace Engineering field.
Technical background:
Because shrapnel has, hazard boundary is large, damage efficiency advantages of higher, thus be widely used in anti-complex target, but first the shell pieces covered on outside bullet will separate by shrapnel before separation, thus can shell pieces be separated smoothly, serves vital effect to the fragment action of shrapnel.Therefore carry out shell pieces, female bullet free flight separation test research be necessary.
The full free flight separation scheme of existing shell pieces, female bullet is: spring clip is in the middle of shell pieces and female bullet axis, two apertures are bored in shell pieces and spring action position, two shell pieces symmetries are arranged on female bullet both sides, with two holes of rope through each shell pieces, tighten up a rope Compress Spring, during on-test, with the rope that another root intensity is larger, rope is before broken trigger mechanism and two shell pieces are separated.Although this testing program is simple, there are two critical defects:
(1) number being separated shell pieces is difficult to the synchronism improved, multiple shell pieces is difficult to ensure shell pieces motion when being separated.It is comparatively effective that the mother of test method in the past to two shell pieces plays segregation ratio, when the number of shell pieces be 3 even more time, the installation of shell pieces will unusual trouble to such an extent as to be difficult to realize.Even if certain is once difficult, multiple (being more than or equal to 3) shell pieces is arranged on female bullet, has also been difficult to ensure all shell pieces separated in synchronization in the moment that cord is broken by hawser.
(2) angular speed of shedding of shell pieces is difficult to accurate analog, and can not regulate the size of magnitude of angular velocity continuously.Test before shows, there is many uncontrollable factors in process of the test, and the status requirement of angular speed to spring action point is very high, the position of action point of test method spring to shell pieces is in the past dead, the position of namely shell pieces punching, the angular speed which results in each shell pieces can not adjust flexibly, increases error, adds design difficulty.
The present invention, on the basis summarizing forefathers' experimental technique and experimental rig feature, improves existing mechanism, and have devised new shell pieces, female bullet separating mechanism.This cover mechanism is easy to process, reliability is high, adopt difference shell pieces installation in the past, fixed form, what can realize multiple shell pieces synchronously sheds separation, breaks mechanism in the past and can only shed a difficult problem for two panels shell pieces, thus can realize the simulation completely of shell pieces, the full free flight of female bullet;
And, the method that this cover mechanism adopts ejection-spring to be separated with fixed mechanism, by the degree of depth regulating simulation bullet head platform fine thread to screw in female bullet portion internal thread, reach the effect of regulating spring position of action point in shell pieces, solve because spring and shell pieces cluster are fixed and can not be regulated a difficult problem for shell pieces separating rate, angular speed size flexibly, continuously.Thus make this cover test mechanism effectively reduce test error, reduce the design difficulty of model, shorten the test period.
Summary of the invention
The technical problem to be solved in the present invention is: female model that plays is in the process of free flight, several pieces of shell pieces on female bullet were shed away according to certain speed, angular speed moment simultaneously, research bullet and the aerodynamic characteristics of female bullet in separation process and kinetic characteristic, and require that mechanism can regulate separating rate and the angular speed of shell pieces flexibly.
Shell pieces of the present invention, female bullet is separated scattering mechanism and comprises shell pieces retaining mechanism, shed with spring, simulation bullet platform and release mechanism, described simulation bullet stage+module plays on the axis in stage casing in described mother, its front end is threaded with female bullet portion, for installing multiple simulation bullet, the housing parts that described mother plays stage casing comprises multiple shell pieces, described simulation bullet platform and described simulation bullet offer multiple groove extended along described axis with corresponding to each other, its quantity is identical with described shell pieces quantity, described simulation bullet offers multiple through hole along the direction perpendicular to described axis, shed with spring described in settling, described shell pieces retaining mechanism comprises pull pin bar and the Boss features with pin hole being arranged at each shell pieces inner surface with latch, the axis of described pin hole and described axis parallel, described bar of pulling pin comprises straight bar part and the multiple leg portion perpendicular to this straight-bar, the free end of each leg portion is provided with a described latch, the quantity of described leg portion is identical with the quantity of described Boss features, described straight bar part is inserted in the central axis hole being installed on described simulation bullet platform, described leg portion is all inserted through in the groove that described plan bullet platform and described simulation bullet are offered, thus, described bar of pulling pin can along described groove slide anteroposterior, the rear end of described bar of pulling pin is connected with described release mechanism, when described shell pieces retaining mechanism is in locking state, described latch just inserts in described pin hole, shed now and be connected to described simulation bullet platform with spring one end, the other end is connected to the inner surface of described shell pieces, when described release mechanism unlocks, bar of pulling pin described in drive slides backward, described latch departs from from described pin hole, described shedding ejects described shell pieces with spring with elastic force.
Preferred described release mechanism comprises spring loose piece, to pull pin spring, pull pin and fixed block, the rear end of described straight bar part is by being threaded with described spring loose piece after through hole in the locating piece for fixing described simulation bullet rear end, pull pin described between described spring loose piece and described locating piece bar overlaps have described in pull pin spring, the rear end of described spring loose piece is fixed with spring leaf, the end of described spring leaf has trapezoid boss, describedly pull pin as circular cone shape, the conical section of its front end can be inserted in the conical bore inside described spring leaf, when sleeve mechanism is in state to be triggered, the trapezoidal annulus sloped roof of described trapezoid boss near afterbody side is in the annulus chamfering of described fixed block, described fixed block plays stage casing by outside screw with described mother and is connected.
Preferred multiple described simulation bullet is installed on described simulation bullet platform respectively by screw, described simulation bullet platform have and circumferential screwed hole and detent identical with described simulation bullet number, after positioning boss on described simulation bullet and described detent are worked good, utilize bolt to pass each described screwed hole and each described simulation bullet is installed on described simulation bullet platform.
Preferred each described shell pieces have two Boss features, the both sides, front and back with spring are shed described in laying respectively at, each Boss features is all provided with a described pin hole along direction, described axis, described bar of pulling pin is provided with pole described in front two rows accordingly, the free end of each described pole, is provided with the described latch extended toward the front.
Preferred described simulation bullet platform is connected with the internal thread in described female bullet portion by the external screw thread of leading section, and the external screw thread of the leading section of the internal thread in described female bullet portion and described simulation bullet platform is fine thread.During on-test, to pull pin when female bullet moves to flow field respective regions and extract, boss inclined-plane now on trapezoid boss and the annulus chamfering inclined-plane on fixed block interact, make spring leaf play axis direction to mother to bend, thus the spring that makes to pull pin promotes spring loose piece backward moves backward, drive bar of pulling pin to move backward simultaneously, all latches of now pulling pin on bar are separated with shell pieces pin hole, shed and be triggered with spring, all shell pieces are dished out simultaneously, complete shell pieces and shed test.
Compared with shedding experimental rig with domestic and international existing shell pieces, female bullet, this test mechanism has following characteristics:
This cover mechanism is easy to process, reliability is high, adopt difference shell pieces installation in the past, fixed form, what can realize multiple shell pieces synchronously sheds separation, breaks mechanism in the past and can only shed a difficult problem for two panels shell pieces, thus can realize the simulation completely of shell pieces, the full free flight of female bullet; And, the method that this cover mechanism adopts ejection-spring to be separated with fixed mechanism, by the degree of depth regulating simulation bullet head platform fine thread to screw in female bullet portion internal thread, reach the effect of regulating spring position of action point in shell pieces, solve due to spring and shell pieces cluster fix and can not flexible modulation shell pieces separating rate, angular speed a difficult problem.Thus make this cover test mechanism effectively reduce test error, reduce the design difficulty of model, shorten the test period.
Accompanying drawing explanation
Fig. 1 is shell pieces, female bullet overall schematic;
Fig. 2 is shell pieces, female bullet complete section schematic diagram;
Fig. 3 is female bullet internal mechanism schematic diagram;
Fig. 4 is main activities block diagram in female bullet;
Fig. 5 is female bullet internal support member scheme of installation;
Detailed description of the invention
The present invention is set forth further below in conjunction with accompanying drawing.
Shown in Fig. 1 ~ Fig. 5,1 is female bullet portion, and 2 is female bullet stage casing, and 3 is female bullet back segment, and 4 is empennage.There is internal thread 1-1 in female bullet portion, simulation bullet platform 6 is connected with female bullet portion internal thread 1-1 by front external thread, the external screw thread of female bullet portion internal thread 1-1 and simulation bullet platform 6 front portion is fine thread, and when fine thread can ensure that simulation bullet platform 6 rotates a certain angle, its axial displacement is minimum.Simulation bullet platform 6 there are and circumferential screwed hole 6-1, groove 6-2 identical with the number of simulation bullet 7, the fluted 6-3 of tail end of simulation bullet platform 6.Each screwed hole 6-1 is connected with simulation bullet 7 by bolt 15, and to be coordinated with the boss 7-1 simulating bullet 7 by the groove 6-2 of simulation bullet platform 6 and locate.Each simulation bullet 7 has through hole 7-2, can put into and shed with spring 14 in each through hole 7-2, shed and contact with simulation bullet platform 6 with spring 14 one end, the other end contacts with the inner surface of each shell pieces 5.Fluted 7-3 on simulation bullet 7, groove 7-3 is corresponding with groove 6-3, bar 8 of pulling pin can slide in the space that these two grooves are formed, each shell pieces 5 inner surface is provided with two Boss features, and be distributed in the both sides, front and back of shedding with spring 14, each Boss features is provided with pin hole 5-1, the axis of this pin hole 5-1 and the axis parallel of body, bar 8 of pulling pin is the structure with two row's poles of front and back symmetry on straight-bar, the quantity of pole is identical with the quantity of the Boss features in shell pieces 5, the free end of each pole all has the latch 8-1 extended toward the front, after assembling body, each latch 8-1 all can accurately insert in the pin hole 5-1 of corresponding shell pieces 5.There is locating piece 9 rear end of simulation bullet 7, locating piece 9 has positioning boss 9-1, and positioning boss 9-1 withstands on the rear end of simulation bullet, plays support hold out against effect to sleeve mechanism.Locating piece 9 outer circumference has external screw thread, can play stage casing 2 be connected with mother, and female front end, stage casing 2 that plays is connected with female bullet portion 1 by screw thread.Bar 8 of pulling pin is connected with spring loose piece 10 by the hole in the middle of locating piece 9, and the bar 8 of pulling pin between spring loose piece 10 and locating piece 9 overlaps spring 11 of pulling pin, and the rear end of spring loose piece 10 is fixed with spring leaf 10-2, and the end of spring leaf 10-2 has trapezoid boss 10-1.Pull pin 13 for circular cone shape, the conical section of front end can be inserted in the conical bore inside spring leaf 10-2.When sleeve mechanism is in state to be triggered, the trapezoidal annulus sloped roof of trapezoid boss 10-1 near afterbody side is on the annulus chamfering 12-2 of fixed block 12.Fixed block 12 plays stage casing 2 by outside screw with mother and is connected, and female stage casing 2 that plays is connected with female projectile tail end 3.
When model is installed, first female bullet portion 1 is connected with simulation bullet platform 6, again female bullet portion 12 to be connected with in the middle part of female bullet, bar 8 of pulling pin is inserted in the groove 6-3 of simulation bullet platform 6 rear end, then simulation bullet 7 is connected by bolt 15 with simulation bullet platform 6, adjust after simulation bullet platform 6 head fine thread screws in the degree of depth of female bullet portion internal thread 1-1, locating piece 9 is installed, locating piece 9 is tightened and makes positioning boss 9-1 fixing for sleeve mechanism tight.Spring 11 of pulling pin plays stage casing 2 rear sleeve from mother and is pulling pin bar 8, spring loose piece 10 is screwed in pulls pin on the screw thread of bar 8 back segment, again fixed block 12 is screwed in female bullet corresponding position, stage casing 2, to shed and be arranged on relevant position by spring 14 and shell pieces 5, now objective flat spring 14 is in compressive state, rod-like instrument is used to push spring 11 of pulling pin from fixed block hole 12-1 inwards through withstanding spring movable block 10, when the trapezoidal annulus sloped roof of trapezoid boss 10-1 near afterbody side is on the annulus chamfering 12-2 of fixed block 12, the all latch 8-1 pulled pin on bar 8 just in time insert in the shell pieces pin hole 5-1 of corresponding shell pieces 5, now by locking mechanism in the conical bore of the 13 insertion spring leaf 10-2 that pull pin.Finally install female bullet back segment 3, model installs.
During on-test, after female bullet moves to flow field respective regions, will pull pin and 13 to extract, the boss inclined-plane now on trapezoid boss 10-1 and the annulus chamfering inclined-plane on fixed block 12 interact, make spring leaf 10-2 play axis direction to mother to bend, thus can insert in the centre bore of fixed block 12.Promote spring loose piece 10 backward by the active force of spring 11 of pulling pin to move backward, drive bar 8 of pulling pin to move backward simultaneously, the all latch 8-1 now pulled pin on bar 8 are separated with shell pieces pin hole 5-1, be in shedding of compressive state to be triggered with spring 14, all shell pieces are dished out simultaneously, complete shell pieces and shed test, solve test method in the past and can not shed a difficult problem for multiple shell pieces.
When need regulate shell pieces shed angular speed size time, by the degree of depth regulating simulation bullet platform 6 head fine thread to screw in female bullet portion internal thread 1-1, reach the effect of regulating spring position of action point in shell pieces, thus reach the object regulating shell pieces to shed angular speed.Because female bullet portion internal thread 1-1 adopts fine thread, mechanism can realize the fine adjustment of shell pieces angular speed size, solves test method in the past and is difficult to regulate model to shed a difficult problem for angular speed size.
Above the preferred embodiment of the present invention is illustrated, but the present invention is not limited to above-described embodiment.To one skilled in the art, in the category described in claims, various modification or fixed case can be expected apparently, certainly also belong to technology category of the present invention.
Claims (5)
1. shell pieces, female bullet are separated a scattering mechanism, it is characterized in that: comprise shell pieces retaining mechanism, shed with spring, simulation bullet platform and release mechanism,
Described simulation bullet stage+module plays on the axis in stage casing in described mother, its front end is threaded with female bullet portion, for installing multiple simulation bullet, the housing parts that described mother plays stage casing comprises multiple shell pieces, described simulation bullet platform and described simulation bullet offer multiple groove extended along described axis with corresponding to each other, its quantity is identical with described shell pieces quantity, described simulation bullet offers multiple through hole along the direction perpendicular to described axis, spring is used for shedding described in settling
Described shell pieces retaining mechanism comprises pull pin bar and the Boss features with pin hole being arranged at each shell pieces inner surface with latch, the axis of described pin hole and described axis parallel, described bar of pulling pin comprises straight bar part and the multiple leg portion perpendicular to this straight-bar, the free end of each leg portion is provided with a described latch, the quantity of described leg portion is identical with the quantity of described Boss features, described straight bar part is inserted in the central axis hole being installed on described simulation bullet platform, described leg portion is all inserted through in the groove that described plan bullet platform and described simulation bullet are offered, thus, described bar of pulling pin can along described groove slide anteroposterior,
The rear end of described bar of pulling pin is connected with described release mechanism, when described shell pieces retaining mechanism is in locking state, described latch just inserts in described pin hole, shed now and be in compressive state with spring, and one end is connected to described simulation bullet platform, the other end is connected to the inner surface of described shell pieces, when described release mechanism unlocks, bar of pulling pin described in drive slides backward, and described latch departs from from described pin hole, described in shed and eject described shell pieces with spring with elastic force.
2. shell pieces as claimed in claim 1, female bullet is separated scattering mechanism, it is characterized in that: described release mechanism comprises spring loose piece, to pull pin spring, pull pin and fixed block, the rear end of described straight bar part is by being threaded with described spring loose piece after through hole in the locating piece for fixing described simulation bullet rear end, pull pin described between described spring loose piece and described locating piece bar overlaps have described in pull pin spring, the rear end of described spring loose piece is fixed with spring leaf, the end of described spring leaf has trapezoid boss, describedly pull pin as circular cone shape, the conical section of its front end can be inserted in the conical bore inside described spring leaf, when sleeve mechanism is in state to be triggered, the trapezoidal annulus sloped roof of described trapezoid boss near afterbody side is in the annulus chamfering of described fixed block, described fixed block plays stage casing by outside screw with described mother and is connected.
3. shell pieces as claimed in claim 1, female bullet are separated scattering mechanism, it is characterized in that: multiple described simulation bullet is installed on described simulation bullet platform respectively by bolt, described simulation bullet platform have and circumferential screwed hole and detent identical with described simulation bullet number, after positioning boss on described simulation bullet and described detent are worked good, bolt is utilized to be installed on described simulation bullet platform by each described simulation bullet.
4. shell pieces as claimed in claim 1, female bullet are separated scattering mechanism, it is characterized in that: each described shell pieces has two Boss features, the both sides, front and back with spring are shed described in laying respectively at, each Boss features is all provided with a described pin hole along direction, described axis, described bar of pulling pin is provided with pole described in front two rows accordingly, the free end of each described pole, is provided with the described latch extended toward the front.
5. the shell pieces according to any one of Claims 1 to 4, female bullet are separated scattering mechanism, it is characterized in that: described simulation bullet platform is connected with the internal thread in described female bullet portion by the external screw thread of leading section, and the external screw thread of the leading section of the internal thread in described female bullet portion and described simulation bullet platform is fine thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405440.XA CN104949588B (en) | 2015-07-10 | 2015-07-10 | Shell and dispenser separating and dispensing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405440.XA CN104949588B (en) | 2015-07-10 | 2015-07-10 | Shell and dispenser separating and dispensing mechanism |
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| Publication Number | Publication Date |
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| CN104949588A true CN104949588A (en) | 2015-09-30 |
| CN104949588B CN104949588B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510405440.XA Active CN104949588B (en) | 2015-07-10 | 2015-07-10 | Shell and dispenser separating and dispensing mechanism |
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| CN (1) | CN104949588B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107782526A (en) * | 2017-11-07 | 2018-03-09 | 中国航天空气动力技术研究院 | Barycenter is located at separation free flight flow tunnel testing device between the parallel level at interface |
| CN110920899A (en) * | 2019-12-05 | 2020-03-27 | 江西洪都航空工业集团有限责任公司 | General cocoon type storage and transportation launching box for airborne equipment |
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| RU2285892C1 (en) * | 2005-04-12 | 2006-10-20 | Федеральное Государственное унитарное предприятие "Государственное научно-производственное предприятие "Сплав" | Device for experimental development of separating jet projectiles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107782526A (en) * | 2017-11-07 | 2018-03-09 | 中国航天空气动力技术研究院 | Barycenter is located at separation free flight flow tunnel testing device between the parallel level at interface |
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| CN110920899A (en) * | 2019-12-05 | 2020-03-27 | 江西洪都航空工业集团有限责任公司 | General cocoon type storage and transportation launching box for airborne equipment |
| CN110920899B (en) * | 2019-12-05 | 2023-06-09 | 江西洪都航空工业集团有限责任公司 | General cocoon type storage and transportation transmitting box for airborne equipment |
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| Publication number | Publication date |
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| CN104949588B (en) | 2017-02-01 |
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