CN108820249B - Test device for checking friction safety of full-size solid engine - Google Patents
Test device for checking friction safety of full-size solid engine Download PDFInfo
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- CN108820249B CN108820249B CN201810583175.8A CN201810583175A CN108820249B CN 108820249 B CN108820249 B CN 108820249B CN 201810583175 A CN201810583175 A CN 201810583175A CN 108820249 B CN108820249 B CN 108820249B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
Abstract
The invention provides a test device for checking the safety of a solid engine under the friction condition, which comprises a rocket sled track, a rocket sled, a boosting rocket, a separation device, an anti-rolling orienting device and a sliding friction track. The engine is installed on the rocket sled through the tool, and the engine is connected with the tool through the separating device. The rocket sled can move along the rocket sled track under the driving of the boosting rocket and can drive the engine to reach the speed required by the test. The anti-rolling orienting device is arranged at the front end of the engine; the anti-rolling orienting device is provided with an arc plate structure with the front end tilted, and the lower part of the arc plate structure is respectively connected with the rolling ball through at least two connecting rods. The sliding friction track is provided with a plurality of embedded guide grooves which are parallel to each other along the track direction; the connecting rod and the rolling ball at the lower part of the arc plate structure of the anti-rolling orienting device can enter the corresponding embedded guide groove. The invention is novel and reasonable, can meet the requirement of checking the safety of the engine and lays a foundation for checking the friction safety of the solid engine.
Description
Technical Field
The invention relates to the technical field of safety test and evaluation of solid rocket engines, in particular to a test device for checking the friction safety of a full-size solid engine, which is used for checking the safety of friction sliding on an airplane runway at a certain initial speed because an undercarriage cannot be opened under an accident condition and a solid engine for an airborne missile is separated from an airplane after being extruded by the airplane when the airplane lands.
Background
The solid engine as a power device is a main energy-containing part of the missile, has strong power and energy, can be accidentally ignited, combusted, propelled, exploded or even detonated when being accidentally stimulated, threatens own equipment and personnel, causes economic loss and weakens own fighting capacity if light, and causes casualties, delays fighters and influences war victory and defeat if heavy. At present, the army has recognized that weaponry must meet the safety requirements of actual combat and requires assessment to determine factors that may cause engine hazards based on equipment life cycle profile analysis.
When an airplane lands during the service period of the airborne missile solid engine, the landing gear cannot be opened, and the airborne missile solid engine is extruded by the airplane, separated from the airplane and glided on the runway at a high speed. The test requires that a set initial speed is provided for an engine weighing several tons, but the conventional modes of starting the motor and the like are difficult to realize the very large initial momentum, meanwhile, a large amount of energetic materials are filled in the engine, the test process has very large danger, other equipment is required to be in a safe area as much as possible when the engine slides in a friction mode, and the dragging device can be separated and recycled when the friction starts. On the other hand, the engine is in a free state in the sliding friction process, and in order to avoid the test failure caused by rolling or deviation of the engine from the rail, the sliding posture of the engine needs to be controlled in the sliding process, and the friction test effect is not influenced.
At present, no public data is available at home and abroad to introduce related solid engine friction safety test technologies, and no related unit is available at home to carry out the technical research.
Disclosure of Invention
In order to realize the friction safety check of the full-size solid engine, the invention provides the test device for checking the friction safety of the full-size solid engine, which can check the safety of friction sliding on an airplane runway at a certain initial speed because the landing gear cannot be opened and the solid engine for an airborne missile is separated from the airplane after being extruded by the airplane when the airplane lands.
The invention solves the requirement of the test on large initial momentum by means of a rocket sled test device. The engine and the dragging device are separated by means of a separation tool and a rocket sled recovery system, and safe recovery of the dragging device is guaranteed. The anti-rolling orienting device is designed to be matched with an embedded guide sliding rail of the friction sliding rail to prevent the engine from rolling or deviating from the rail.
The technical scheme of the invention is as follows:
the test device for checking the friction safety of the full-size solid engine is characterized in that: the device comprises a rocket sled track 1, a rocket sled 2, a boosting rocket 3, a separation device 6, an anti-rolling orienting device 7 and a sliding friction track 9;
the tested full-size solid engine 5 is arranged on the rocket sled 2 through a tool 4, and the tested full-size solid engine 5 is connected with the tool 4 through a separating device 6;
the rocket sled 2 can move along the rocket sled track 1 under the driving of the boosting rocket 3 and can drive the tested full-size solid engine 5 to reach the speed required by the test;
the anti-rolling orienting device 7 is arranged at the front end of the measured full-size solid engine 5; the anti-rolling orienting device 7 is provided with an arc plate structure with the front end tilted, and the lower part of the arc plate structure is respectively connected with rolling balls through at least two connecting rods;
the sliding friction track 9 is provided with a plurality of embedded guide grooves which are parallel to each other along the track direction; the connecting rod and the rolling ball at the lower part of the arc plate structure of the anti-rolling orienting device 7 can enter the corresponding embedded guide groove.
Further preferred scheme, the test device of examination full-size solid engine friction safety is characterized in that: the separation device 6 adopts an explosive bolt.
Further preferred scheme, the test device of examination full-size solid engine friction safety is characterized in that: the embedded guide groove is coated with grease, and the rolling ball is in rolling friction in the embedded guide groove.
Advantageous effects
The invention provides a test device for checking the safety of a solid engine under the condition of friction, which is novel and reasonable, can meet the requirement of checking the safety of the engine, solves the requirements of the test on a large initial momentum, a sliding direction, stability, safety and other aspects, and ensures that the accident of the solid engine caused by the landing of an airplane can be reliably simulated under the conditions of low cost and high safety, the sliding on the runway at a certain initial speed becomes possible, and a foundation is laid for checking the friction safety of the solid engine. The test device designs the anti-rolling orienting device by means of test means such as a rocket sled, and the test scheme and the design method can be popularized and applied to tests which need to provide large initial momentum and need to control the direction or the state of a free sliding object.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1: a full-size solid engine friction safety assessment test schematic diagram;
FIG. 2: the anti-rolling orienting device has a simple structure.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
The invention aims to realize the friction safety check of a full-size solid engine, and provides a test device for checking the friction safety of the full-size solid engine, which can check the safety of friction sliding on an airplane runway at a certain initial speed because an airplane cannot be opened due to an accident condition when an airplane lands and a solid engine for an airborne missile is extruded by the airplane and then is separated from the airplane.
The invention solves the requirement of the test on large initial momentum by means of a rocket sled test device. The engine and the dragging device are separated by means of a separation tool and a rocket sled recovery system, and safe recovery of the dragging device is guaranteed. The anti-rolling orienting device is designed to be matched with an embedded guide sliding rail of the friction sliding rail to prevent the engine from rolling or deviating from the rail.
As shown in fig. 1, the test device for checking friction safety of a full-scale solid engine in this embodiment includes a rocket sled track 1, a rocket sled 2, a booster rocket 3, a separation device 6, an anti-rollover orientation device 7, and a sliding friction track 9.
The tested full-size solid engine 5 is installed on the rocket sled 2 through the tool 4, the tested full-size solid engine 5 is connected with the tool 4 through the separating device 6, and the separating device 6 can adopt an explosive bolt. The rocket sled 2 can move along the rocket sled track 1 under the driving of the boosting rocket 3 and can drive the tested full-size solid engine 5 to reach the speed required by the test. The anti-rolling orienting device 7 is arranged at the front end of the measured full-size solid engine 5; the anti-rolling orienting device 7 is provided with an arc plate structure with the front end tilted, and the lower part of the arc plate structure is respectively connected with the rolling balls through at least two connecting rods. The sliding friction track 9 is provided with a plurality of embedded guide grooves which are parallel to each other along the track direction; the connecting rod and the rolling ball at the lower part of the arc plate structure of the anti-rolling orienting device 7 can enter the corresponding embedded guide groove. The embedded guide groove is coated with grease, and the rolling ball is in rolling friction in the embedded guide groove.
As shown in figure 1, a rocket sled 2 carries a tested full-size solid engine 5 to accelerate on a rocket sled track 1 under the action of a boosting rocket 3, when the speed reaches the initial speed required by the test, a separation point is reached, a separation device 6 is started to separate the engine 5 from the rocket sled 2, at the moment, an anti-rolling orienting device 7 arranged at the front end of the engine 5 lands on a sliding friction track 9, a low-friction orienting rolling ball 8 arranged on the anti-rolling orienting device 7 enters an embedded guide groove on the sliding friction track 9, the engine 5 also enters a land sliding track 9 to perform sliding friction under the inertia effect, in the sliding process, the anti-rolling orienting device 7 is matched with the embedded guide groove on the sliding friction track 9 for use, on one hand, the engine is prevented from rolling in the test process, on the other hand, the engine is ensured to slide along the friction direction required by the test, until the engine 5 stops coasting or reacts; and the rocket sled 2 reaches the rocket sled recovery position along the rocket sled track 1 below the sliding friction track 9 after being separated.
According to the structural size and weight of the solid engine, an engine test tool 4 and a separating device 6 are designed, so that the engine can directly land on a sliding friction track after being separated, and a rocket sled can enter the lower part of the sliding friction track without being blocked. And selecting proper rocket sleds 2 and booster rockets 3 according to the weight and the size of the engine and the tool and the speed required by the test, and determining the running starting point of the rocket sleds by combining the separation point of the test piece. The front end of the engine is provided with an anti-rolling orienting device 7, the device adopts an arc plate structure with a raised front end, and the engine 5 can successfully ascend a friction sliding track before being separated, so that the engine 5 can be ensured to enter the sliding friction track 9 after being separated and stably slide in the whole test, and the rolling of the engine 5 due to uneven bridge floor in the sudden platform or sliding process when entering the sliding friction track 9 is prevented. The length of the sliding friction track 9 is calculated according to the initial speed of the engine of 80m/s, the friction force borne by the engine is taken as the braking force, and the sliding friction calculation formula is adopted
The calculation is carried out, and if mu is 0.7, the sliding distance s is 456 m. Considering the safety factor, the concrete bridge deck is paved at 600m, and the width is 2 times of the diameter of the engine.
The anti-rollover orientation device is shown in fig. 2: the device is of an arc plate structure, a low-friction directional rolling ball 8 is arranged on the anti-rolling directional device, and a low-friction directional guide wheel 8 enters an embedded guide groove at the moment when an engine is mounted on a bridge, so that the engine slides along a friction sliding track in a certain posture in the whole test process.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (3)
1. The utility model provides a test device of examination full-size solid engine friction security which characterized in that: comprises a rocket sled track (1), a rocket sled (2), a boosting rocket (3), a separation device (6), an anti-rolling orienting device (7) and a sliding friction track (9);
the tested full-size solid engine (5) is arranged on the rocket sled (2) through a tool (4), and the tested full-size solid engine (5) is connected with the tool (4) through a separating device (6);
the rocket sled (2) can move along a rocket sled track (1) under the driving of a boosting rocket (3) and can drive a tested full-size solid engine (5) to reach the speed required by the test;
the anti-rolling orienting device (7) is arranged at the front end of the measured full-size solid engine (5); the anti-rolling orienting device (7) is provided with an arc plate structure with the front end tilted, and the lower part of the arc plate structure is respectively connected with the rolling balls through at least two connecting rods;
the sliding friction track (9) is provided with a plurality of embedded guide grooves which are parallel to each other along the track direction; the connecting rod and the rolling ball at the lower part of the arc plate structure of the anti-rolling orienting device (7) can enter the corresponding embedded guide groove;
the separating device (6) can be used for separating the tested full-size solid engine (5) from the tool (4) in a controlled manner when the tested full-size solid engine (5) reaches the speed required by the test;
after the rocket sled (2) is separated from the tested full-size solid engine (5), the rocket sled (2) can continuously slide on the rocket sled track (1), and the rocket sled track (1) is positioned below the sliding friction track (9);
when the tested full-size solid engine (5) is separated from the tool (4), the connecting rod and the rolling ball of the anti-rolling orienting device (7) enter the corresponding embedded guide groove.
2. The test device for assessing the friction safety of the full-size solid engine according to claim 1, wherein: the separation device (6) adopts an explosive bolt.
3. The test device for assessing the friction safety of the full-size solid engine according to claim 2, wherein: the embedded guide groove is coated with grease, and the rolling ball is in rolling friction in the embedded guide groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583175.8A CN108820249B (en) | 2018-06-05 | 2018-06-05 | Test device for checking friction safety of full-size solid engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810583175.8A CN108820249B (en) | 2018-06-05 | 2018-06-05 | Test device for checking friction safety of full-size solid engine |
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| CN108820249A CN108820249A (en) | 2018-11-16 |
| CN108820249B true CN108820249B (en) | 2021-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2739537C1 (en) * | 2020-06-25 | 2020-12-25 | Федеральное казенное предприятие "Научно-исследовательский институт "Геодезия" (ФКП "НИИ "Геодезия") | Rocket carriage with controlled braking |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58189537A (en) * | 1982-04-28 | 1983-11-05 | Nissan Motor Co Ltd | Testing apparatus of combustion in rocket motor |
| JPH07167595A (en) * | 1993-12-10 | 1995-07-04 | Tech Res & Dev Inst Of Japan Def Agency | Airframe control testing method and device thereof |
| CN101191759A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | Ground surface high speed superconductor magnetic levitation sled test device |
| RU2369853C1 (en) * | 2008-01-15 | 2009-10-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" | Method of accelerating tested object by jet apparatus and test bench to this end |
| CN102393304A (en) * | 2011-10-20 | 2012-03-28 | 中国航天科技集团公司第四研究院四○一所 | Sliding barrel type central frame used in solid rocket motor static test |
| CN102735266A (en) * | 2012-06-20 | 2012-10-17 | 北京航天控制仪器研究所 | Inertia measurement apparatus rocket sled overload test method based on 9 km orbit |
| CN104165776A (en) * | 2014-08-08 | 2014-11-26 | 中国航天科技集团公司第四研究院四○一所 | Device for gravity direction rocket flight control test |
| CN204253613U (en) * | 2014-11-26 | 2015-04-08 | 航宇救生装备有限公司 | With the low-drag type slide block of flanging type friction plate |
| CN204386765U (en) * | 2014-12-15 | 2015-06-10 | 西安航天化学动力厂 | A kind of booster for rocket sled |
| CN105277453A (en) * | 2015-11-13 | 2016-01-27 | 哈尔滨工业大学 | Impact friction test device |
| CN106840935A (en) * | 2017-03-03 | 2017-06-13 | 南京理工大学 | A kind of rope ultrahigh speed friction test test machine |
| CN107677594A (en) * | 2017-09-06 | 2018-02-09 | 武汉钢铁有限公司 | A kind of metal sheet strip coefficient of sliding friction testing machine and method |
-
2018
- 2018-06-05 CN CN201810583175.8A patent/CN108820249B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58189537A (en) * | 1982-04-28 | 1983-11-05 | Nissan Motor Co Ltd | Testing apparatus of combustion in rocket motor |
| JPH07167595A (en) * | 1993-12-10 | 1995-07-04 | Tech Res & Dev Inst Of Japan Def Agency | Airframe control testing method and device thereof |
| CN101191759A (en) * | 2006-11-20 | 2008-06-04 | 北京航空航天大学 | Ground surface high speed superconductor magnetic levitation sled test device |
| RU2369853C1 (en) * | 2008-01-15 | 2009-10-10 | Российская Федерация, от имени которой выступает государственный заказчик - Государственная корпорация по атомной энергии "Росатом" | Method of accelerating tested object by jet apparatus and test bench to this end |
| CN102393304A (en) * | 2011-10-20 | 2012-03-28 | 中国航天科技集团公司第四研究院四○一所 | Sliding barrel type central frame used in solid rocket motor static test |
| CN102735266A (en) * | 2012-06-20 | 2012-10-17 | 北京航天控制仪器研究所 | Inertia measurement apparatus rocket sled overload test method based on 9 km orbit |
| CN104165776A (en) * | 2014-08-08 | 2014-11-26 | 中国航天科技集团公司第四研究院四○一所 | Device for gravity direction rocket flight control test |
| CN204253613U (en) * | 2014-11-26 | 2015-04-08 | 航宇救生装备有限公司 | With the low-drag type slide block of flanging type friction plate |
| CN204386765U (en) * | 2014-12-15 | 2015-06-10 | 西安航天化学动力厂 | A kind of booster for rocket sled |
| CN105277453A (en) * | 2015-11-13 | 2016-01-27 | 哈尔滨工业大学 | Impact friction test device |
| CN106840935A (en) * | 2017-03-03 | 2017-06-13 | 南京理工大学 | A kind of rope ultrahigh speed friction test test machine |
| CN107677594A (en) * | 2017-09-06 | 2018-02-09 | 武汉钢铁有限公司 | A kind of metal sheet strip coefficient of sliding friction testing machine and method |
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| CN108820249A (en) | 2018-11-16 |
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