CN112747633B - Method for determining motion interference of plugging mechanism - Google Patents
Method for determining motion interference of plugging mechanism Download PDFInfo
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- CN112747633B CN112747633B CN202011552049.XA CN202011552049A CN112747633B CN 112747633 B CN112747633 B CN 112747633B CN 202011552049 A CN202011552049 A CN 202011552049A CN 112747633 B CN112747633 B CN 112747633B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
- F41F3/0406—Rail launchers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
- F41F3/06—Rocket or torpedo launchers for rockets from aircraft
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
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Abstract
The invention relates to a method for determining the motion interference of a plugging mechanism, which comprises the following steps: simplifying an actual model of a plugging mechanism into a physical model; (2) Analyzing the stress and the motion of the simplified physical model; (3) The plugging mechanism is used as a motion system, the whole system is in compound motion, absolute motion is that the rotating arm of the plugging mechanism rotates around the fixed shaft of the rotating shaft of the plugging mechanism, relative motion is that the plug moves in the long round hole, and the linking motion is that the plug rotates around the fixed shaft of the plug pin; (4) According to the motion analysis result, a position diagram of any angle in the motion process of the plugging mechanism can be obtained, and whether the plugging mechanism interferes in the motion process can be judged according to the position diagram. The invention does not need to establish a kinematic simulation model and does not need to develop an actual verification test; the position corresponding to any angle in the rotation process can be obtained theoretically, whether the plugging mechanism interferes in the movement process is judged through drawing presentation, and the obtained result is real, accurate and visual.
Description
Technical Field
The invention relates to a motion interference determination method which is suitable for motion analysis of an onboard guide rail type missile launching rear plugging mechanism. Aiming at a launching device adopting a plug-pull mechanism, a motion interference analysis method of a missile in the process of retracting the plug-pull mechanism after an engine is ignited is disclosed.
Background
Missile firing is a single irreversible process and cannot be terminated in the firing process, so that the missile frame separation safety is a key of a missile weapon system, and the core of the missile frame separation safety is to ensure the separation safety of a missile and a carrier.
The safety of the missile frame separation process refers to various safety factors such as normal and reliable ignition of the missile from the launching device, reliable unlocking during launching, no missile frame interference during launching, small impact force on the launching device during launching and the like during normal launching of the missile.
For a launching device adopting the plug-pull mechanism, in the process of launching the missile, the plug-pull mechanism is required not to generate launching interference in the motion, otherwise, the launching safety of the missile rack is influenced. In the prior art, the motion analysis of the plugging mechanism mainly adopts dynamic simulation analysis, or a high-speed camera is adopted to shoot the motion test process of the plugging mechanism, the result of the former method is greatly influenced by modeling accuracy, and the latter method needs great effort to organize the test.
Disclosure of Invention
The technical solution of the present invention is: the method can obtain a position map corresponding to any angle of the missile in the movement process of the plugging mechanism after the engine is ignited theoretically, judge whether the plugging mechanism interferes in the movement process, and provide important basis for the separation safety of the missile frame.
The technical solution of the invention is as follows:
a method for determining the motion interference of a plugging mechanism is realized by the following steps:
(1) Simplifying the actual model of the plugging mechanism into a physical model;
(2) Carrying out stress and motion analysis on the simplified physical model to obtain a motion analysis result;
(3) And according to the motion analysis result, obtaining position maps of different angles in the motion process of the plugging mechanism, and accordingly judging whether the plugging mechanism interferes with the rear end face of the guide rail in the motion process.
Further, the actual model of the plugging mechanism is specifically as follows: the plugging mechanism comprises a sliding part, a rotating arm, a torsional spring, a rotating shaft, a connecting frame, a limiting frame and a separating plug and is used for realizing the electrical connection and separation of the missile launcher and the missile;
the rotating arm can rotate a certain angle around the rotating shaft, the torsional spring provides torsional force of the rotating arm, the sliding part can slide back and forth on the rotating arm, after the plugging mechanism is installed, the pin on the separation plug is positioned in the long round hole on the rotating arm, the guided missile moves forward under the action of the thrust of the engine after being ignited, the pin moves in the long round hole, when the pin is contacted with one end of the long round hole, a shearing screw is cut off, the rotating arm of the plugging mechanism is folded upwards and the separation plug is pulled out, the separation is normal, and the guided missile continues to move forward; the rotating arm is connected with the missile launcher through the connecting frame, and the limiting frame is used for limiting the rotating arm.
Furthermore, when the practical plug mechanism model is simplified, pins on the sliding piece and the separating plug are ignored, the torsional spring of the plug mechanism is equivalent to a torsional moment, the connecting frame is equivalent to the fixed end of the rotating shaft of the plug mechanism, the limiting frame is equivalent to the limitation of the rotating angle, and the physical model is composed of the rotating shaft of the plug mechanism, the rotating arm of the plug mechanism, the separating plug and the rear end face of the guide rail.
Furthermore, in the stress and motion analysis process, the friction force and the shearing force are ignored, and the engine thrust and the torsional moment of the plugging mechanism which is only ignited by the missile are considered.
Further, stress and motion analysis is performed, and the analysis result specifically comprises the following steps: the plugging mechanism is used as a motion system, the whole plugging mechanism moves compositely, wherein absolute motion is that a rotating arm of the plugging mechanism rotates around a fixed shaft of a rotating shaft of the plugging mechanism, relative motion is that a separation plug pin moves in a long circular hole of the rotating arm, and connection motion is that the whole separation plug rotates around the fixed shaft of the plug pin;
furthermore, the plugging mechanism cannot interfere with the rear end face of the guide rail in the movement process.
Further, according to the motion analysis result, obtain the position map of different angles in the plug mechanism motion process, judge whether the plug mechanism motion process interferes with the guide rail rear end face in view of the above, specifically do:
drawing position diagrams of the rotating arm of the plug mechanism at three angles of an initial position, a middle position and a target position, and judging whether the rotating arm interferes with the rear end face of the guide rail on the graphs.
Further, if the edges of the split plugs in the three-position pattern contact or intersect the rear face of the guide rails, interference is indicated, and if no contact occurs, interference is not indicated.
Compared with the prior art, the invention has the advantages that:
(1) Compared with the prior art, the method does not need to establish a kinematic simulation model and does not need to carry out an actual verification test;
(2) Compared with the prior art, the method can theoretically obtain the position corresponding to any angle in the rotating process, and further judge whether the plugging mechanism interferes in the moving process through drawing presentation, so that the obtained result is real, accurate and visual;
(3) Compared with the prior art, the method can be used at the initial stage of design, can quickly obtain results, judges whether the design is reasonable or not, improves the design efficiency and the design capability, and is convenient for iterative optimization design.
Drawings
FIG. 1 is a diagram of an actual model of a plugging mechanism;
FIG. 2 is a diagram of a physical model of a plugging mechanism;
FIG. 3 is a force analysis diagram of the plugging mechanism;
FIG. 4 is a view showing the position of the rotating arm of the inserting and pulling mechanism at the initial, middle and in-place states
Detailed Description
The invention relates to a plug-pull mechanism movement interference calculation method, which simplifies and equates an actual plug-pull mechanism model into a physical model, performs stress and movement analysis on the physical model after the equivalence is simplified, takes the plug-pull mechanism as a movement system, and draws an initial, middle and in-place position diagram in the movement process of the plug-pull mechanism according to the movement analysis result, thereby accurately judging whether the plug-pull mechanism interferes in the movement process.
As shown in fig. 1, the plugging mechanism is composed of a sliding part, a rotating arm, a torsion spring, a plugging mechanism rotating shaft, a connecting frame, a limiting frame and a separating plug, and is used for realizing the electrical connection and separation of the hair-guiding frame and the guided missile. The rotating arm can rotate for a certain angle around the shaft, the torsion spring provides the torsional force of the rotating arm, and the sliding piece can slide back and forth on the rotating arm. After the plugging mechanism is installed, a pin on the separation plug is located in a long circular hole of the rotating arm, the guided missile moves forwards under the thrust action of an engine after being ignited, the pin moves in the long circular hole, after a front sliding block on the guided missile pushes a front blocking piece of the locking device, the pin of the separation plug is in contact with one end of the long circular hole of the rotating arm, 2 shear screws are sheared, the rotating arm of the plugging mechanism is folded upwards and the separation plug is pulled out, the separation is normal, and the guided missile continues to move forwards.
Considering that the shearing pin and the sliding part do not influence the movement in the system, neglecting, the torsional spring of the plugging mechanism is equivalent to a torsional moment, the connecting frame is equivalent to a fixed end of a rotating shaft of the plugging mechanism, the limiting frame is equivalent to a rotation angle limitation, the physical model consists of the rotating shaft of the plugging mechanism, a rotating arm of the plugging mechanism, a separating plug and a rear end face of a guide rail, the physical model is shown in figure 2, and the stress analysis is shown in figure 3.
In the stress and motion analysis process, the friction force and the shearing force are ignored, and the engine thrust and the torsional moment of the plugging mechanism which is only ignited by the guided missile are considered.
And analyzing the motion state at the moment, wherein the plugging mechanism is used as a motion system, the whole system is in composite motion, the absolute motion is that the rotating arm of the plugging mechanism rotates around the fixed shaft of the rotating shaft of the plugging mechanism, the relative motion is that the plug pin moves in the long round hole, and the linkage motion is that the whole plug rotates around the fixed shaft of the plug pin.
The position diagram of any angle in the movement process of the plugging mechanism can be obtained, the position diagrams of the three angles of the rotating arm of the plugging mechanism at the initial position, the middle position and the in-place position are generally drawn, whether the interference is caused with the rear end face of the guide rail or not is judged on the diagrams, as shown in fig. 4, if the edges of the separation plug in the diagrams at the three positions are in contact with or crossed with the rear end face of the guide rail, the interference is indicated, and if no contact is caused, the interference is not indicated.
Compared with the prior art, the method does not need to establish a kinematic simulation model and does not need to carry out an actual verification test; the position corresponding to any angle in the rotation process can be obtained theoretically, whether the plugging mechanism interferes in the movement process is judged through drawing presentation, and the obtained result is real, accurate and visual; meanwhile, compared with the prior art, the method can be used at the initial stage of design, can quickly obtain a result, judges whether the design is reasonable or not, improves the design efficiency and the design capability, and is convenient for iterative optimization design.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (3)
1. A method for determining the motion interference of a plugging mechanism is characterized by being realized by the following modes:
(1) Simplifying the actual model of the plugging mechanism into a physical model;
(2) Carrying out stress and motion analysis on the simplified physical model to obtain a motion analysis result;
(3) According to the motion analysis result, position maps of different angles in the motion process of the plugging mechanism are obtained, and whether the plugging mechanism interferes with the rear end face of the guide rail in the motion process is judged according to the position maps;
the actual model of the plugging mechanism is as follows: the plug-pull mechanism comprises a sliding part, a rotating arm, a torsional spring, a rotating shaft, a connecting frame, a limiting frame and a separating plug and is used for realizing the electrical connection and separation of the missile launcher and the missile;
the rotating arm can rotate a certain angle around the rotating shaft, the torsional spring provides torsional force of the rotating arm, the sliding part can slide back and forth on the rotating arm, after the plugging mechanism is installed, the pin on the separation plug is positioned in the long round hole on the rotating arm, the guided missile moves forward under the action of the thrust of the engine after being ignited, the pin moves in the long round hole, when the pin is contacted with one end of the long round hole, a shearing screw is cut off, the rotating arm of the plugging mechanism is folded upwards and the separation plug is pulled out, the separation is normal, and the guided missile continues to move forward; the rotating arm is connected with the missile launcher through a connecting frame, and the limiting frame is used for limiting the rotating arm;
in the stress and motion analysis process, the friction force and the shearing force are ignored, and the engine thrust and the torsional moment of the plugging mechanism which is only ignited by the guided missile are considered;
and (3) analyzing the stress and the movement, wherein the analysis result is specifically as follows: the plugging mechanism is used as a motion system, the whole plugging mechanism moves compositely, wherein absolute motion is that a rotating arm of the plugging mechanism rotates around a fixed shaft of a rotating shaft of the plugging mechanism, relative motion is that a separation plug pin moves in a long circular hole of the rotating arm, and connection motion is that the whole separation plug rotates around the fixed shaft of the plug pin;
according to the motion analysis result, obtain the position map of different angles in the plug mechanism motion process, judge whether the plug mechanism motion process interferes with guide rail rear end face in view of the above, specifically do:
drawing position diagrams of the rotating arm of the plug mechanism at three angles of an initial position, a middle position and a position in place, and judging whether the rotating arm interferes with the rear end face of the guide rail on the graphs;
when the practical plug mechanism model is simplified, pins on the sliding piece and the separating plug are ignored, the torsional spring of the plug mechanism is equivalent to a torsional moment, the connecting frame is equivalent to the fixed end of the rotating shaft of the plug mechanism, the limiting frame is equivalent to the limitation of the rotating angle, and the physical model is composed of the rotating shaft of the plug mechanism, the rotating arm of the plug mechanism, the separating plug and the rear end face of the guide rail.
2. The method for determining the movement interference of the plugging mechanism according to claim 1, wherein: the plug-in mechanism can not interfere with the rear end surface of the guide rail in the moving process.
3. The method for determining the movement interference of the plugging mechanism according to claim 1, wherein: interference is indicated if the edge of the split pin in the three position pattern contacts or crosses the rear face of the guide rail, and if no contact occurs, no interference occurs.
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| CN202011552049.XA CN112747633B (en) | 2020-12-24 | 2020-12-24 | Method for determining motion interference of plugging mechanism |
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| CN202011552049.XA CN112747633B (en) | 2020-12-24 | 2020-12-24 | Method for determining motion interference of plugging mechanism |
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| CN112747633B true CN112747633B (en) | 2023-02-03 |
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| CN113959257A (en) * | 2021-10-18 | 2022-01-21 | 湖南航天机电设备与特种材料研究所 | Missile individual soldier launching tube |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5625575A (en) * | 1993-08-03 | 1997-04-29 | Lucent Technologies Inc. | Apparatus for modelling interaction of rigid bodies |
| CN106407607A (en) * | 2016-10-27 | 2017-02-15 | 北京航空航天大学 | Airborne multi-axis vibration isolation system and optimization method thereof |
| CN107482375A (en) * | 2017-07-03 | 2017-12-15 | 上海机电工程研究所 | The anti-resetting means of emitter hot-line insertion and extraction mechanism |
| CN109178342A (en) * | 2018-09-10 | 2019-01-11 | 北京航空航天大学 | A kind of catapult-launching gear and mobile launcher |
| CN109764750A (en) * | 2019-03-21 | 2019-05-17 | 汉中军工精扶科技有限公司 | A kind of cylinder class product blocking method, blocking mechanism and application |
| CN110635309A (en) * | 2019-08-20 | 2019-12-31 | 西安航天动力技术研究所 | Guide rail type retractable separating mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120060672A1 (en) * | 2008-10-09 | 2012-03-15 | Tommy Grigg | Host vehicle rocket launcher connectivity system |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5625575A (en) * | 1993-08-03 | 1997-04-29 | Lucent Technologies Inc. | Apparatus for modelling interaction of rigid bodies |
| CN106407607A (en) * | 2016-10-27 | 2017-02-15 | 北京航空航天大学 | Airborne multi-axis vibration isolation system and optimization method thereof |
| CN107482375A (en) * | 2017-07-03 | 2017-12-15 | 上海机电工程研究所 | The anti-resetting means of emitter hot-line insertion and extraction mechanism |
| CN109178342A (en) * | 2018-09-10 | 2019-01-11 | 北京航空航天大学 | A kind of catapult-launching gear and mobile launcher |
| CN109764750A (en) * | 2019-03-21 | 2019-05-17 | 汉中军工精扶科技有限公司 | A kind of cylinder class product blocking method, blocking mechanism and application |
| CN110635309A (en) * | 2019-08-20 | 2019-12-31 | 西安航天动力技术研究所 | Guide rail type retractable separating mechanism |
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