CN111854545B - Boosting gliding small-sized test rocket system - Google Patents
Boosting gliding small-sized test rocket system Download PDFInfo
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- CN111854545B CN111854545B CN202010498011.2A CN202010498011A CN111854545B CN 111854545 B CN111854545 B CN 111854545B CN 202010498011 A CN202010498011 A CN 202010498011A CN 111854545 B CN111854545 B CN 111854545B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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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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Abstract
The invention provides a boosting gliding small-sized test rocket system which comprises an rocket body and a ground boosting launching device, wherein the rocket body comprises a nose cone cabin, an equipment cabin, a strake wing and a tail rudder, the ground boosting launching device comprises a launching rack base, a pitch angle adjusting supporting rod and a guide rail sliding table bracket are arranged at the front end and the rear end of the launching rack base, the guide rail sliding table is erected on the pitch angle adjusting supporting rod and the rocket sliding table bracket, a rocket sliding groove is formed in the guide rail sliding table along a middle axis, a launching booster is arranged at the tail end of the guide rail sliding table, a front sliding block is arranged at the bottom of the rocket body along the front end of a central line, a rear sliding block is arranged at the rear end of the bottom of the rocket body, and the front sliding block and the rear sliding block slide in the rocket sliding groove. According to the invention, the power system engine is not arranged in the rocket body, the launching booster is arranged on the launching frame, and the rocket is launched, so that the launching, storing and transporting processes are safer, the test requirements are met, the recovery system is adopted to recycle the rocket, and the maintenance is simple.
Description
Technical Field
The invention belongs to the field of rocket tests, and particularly relates to a boosting gliding small-sized test rocket system.
Background
The existing small-sized demonstration rocket can only enable students to observe the approximate internal structure of the rocket through the demonstration model, so that the students can not carry out practical links such as design, assembly, test analysis and the like, and can not carry out test flight or serve as an application carrier of innovation technology.
The existing rockets are all provided with engines as power, the rockets are arranged on a launcher and then are ignited to launch, and the rockets fly forwards under the working thrust of the engines arranged in the rockets. However, for the rocket launching process, the small rocket with the built-in engine has a great danger in the processes of storage, transportation, storage and launching, especially in the process of installation. The cost of the engine is high, and the engine usually occupies more than 30% of the whole teaching rocket; the mass is large and accounts for more than 30% of the mass of the whole rocket, so that the engine occupies a large amount of space at the tail of the teaching rocket. The existing power rocket system with the engine has great potential safety hazard for teaching tests, and the rocket engine cannot be recycled, so that the use cost is high.
Disclosure of Invention
The invention provides a boosting gliding small-sized test rocket system without an engine, which aims to solve the technical problems that the existing small-sized demonstration rocket can only observe and cannot test flight and the danger is increased due to the engine.
In order to solve the problem, the technical scheme adopted by the invention is as follows:
a small-sized boosting gliding test rocket system comprises a rocket body and a ground boosting launching device, wherein the rocket body comprises a nose cone cabin, an equipment cabin, strake wings and a tail rudder, a satellite antenna, a rudder control box for controlling the tail rudder, a telemetering module for surveying and mapping the flight of the rocket, a flight control plate for resolving and correcting the flight of the rocket, a battery pack for providing power supply support for each part in the rocket body, a GPS for providing navigation function for the rocket, and a recovery system for recovering the rocket are arranged in the equipment cabin, the ground boosting launching device comprises a launching frame base, a pitch angle adjusting support rod and a guide rail sliding table bracket are respectively arranged at the front end and the rear end of the launching frame base, the guide rail sliding table is erected on the pitch angle adjusting support rod and the guide rail sliding table bracket, a sliding groove for the rocket to slide forward is formed in the guide rail sliding table along an intermediate axis, the tail end of the guide rail sliding table is provided with a launching booster for pushing the rocket forwards, the front end of the bottom of the rocket body along the center line is provided with a front sliding block, the rear end of the bottom of the rocket body is provided with a rear sliding block, and the front sliding block and the rear sliding block slide in the rocket sliding groove.
Furthermore, the upper part of the launching booster is a hollow cylindrical body, a spring is arranged in the hollow cylindrical body, the front end of the spring is sleeved with a hollow spring column with a sealed top end, the hollow spring column can freely stretch out and draw back from the front end surface of the hollow cylindrical body, the sealing end of the hollow spring column is abutted against the bottom of the rocket, the rear end of the spring is packaged at the tail end of the hollow cylindrical body, a polished rod and a lead screw are respectively arranged on the guide rail sliding table along two sides of the guide rail groove, the polished rod and the lead screw are fixed on the guide rail sliding table through a bearing seat, the bottom of the launching booster is provided with a thread engaged with the thread on the lead screw, booster sliding grooves are formed in two sides of the guide rail sliding table respectively, the bottom of the launching booster stretches across the polished rod and the lead screw, two sides of the bottom of the launching booster are clamped in the booster sliding grooves, and the lead screw is connected with the motor.
Furthermore, the hollow cylindrical body is a conical hollow cylindrical body, the diameter of a section circle close to the front end of the guide rail sliding table is small, the diameter of a section circle at the rear end is large, and the spring column can freely stretch out and draw back from the end with the small diameter of the section circle.
Furthermore, a stop bolt for preventing the rocket from moving is arranged in the rocket sliding groove, and when the rocket is placed on the guide rail sliding table, the stop bolt is positioned in front of the rear sliding block of the rocket.
Furthermore, the stop bolt comprises a screw, the screw is screwed at the bottom of the rocket sliding groove, a spring is sleeved at the top of the screw, a hollow cylinder with an inclined top end is sleeved outside the spring, and the inclined surface of the hollow cylinder faces the rear end of the rocket sliding groove.
Furthermore, the screw rod front end is not carved with the screw thread, the motor toggle switch has been installed to the side of guide rail slip table near the terminal department of screw rod screw thread, and when the transmission boost motor arrived lead screw thread end, the transmission boost motor triggers the motor toggle switch and closes the motor.
Furthermore, the top ends of the screw rod and the guide rod are provided with compression springs.
Further, the angle of pitch regulation bracing piece is two hydraulic pressure vaulting poles, the upper end and the guide rail slip table of two hydraulic pressure vaulting poles are articulated, the lower extreme with the launcher base is articulated, guide rail slip table bracket includes the support frame of rigid coupling on the launcher base the support frame facial make-up is equipped with and rotates the bracket along with guide rail slip table angular adjustment, the rocket launching base is aluminum plate, through the expansion bolts rigid coupling subaerial at the stereoplasm.
Furthermore, the recovery system comprises a recovery umbrella bag, an explosion bolt, an umbrella rope hanger, a recovery umbrella rope, a traction rope and a recovery umbrella cover plate, wherein the recovery umbrella bag is connected with the umbrella rope hanger through the recovery umbrella rope, the umbrella rope hanger is fixedly connected in an arrow body, the explosion bolt is connected with the recovery umbrella cover plate, and the traction rope is connected with the recovery umbrella cover plate.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a boosting gliding small-sized test rocket system, wherein various test devices are arranged in a rocket body according to test requirements, and the storage, transportation, storage and launching processes of a small-sized rocket with a built-in engine are considered, particularly the installation process has greater danger.
Drawings
FIG. 1 is a schematic view of a rocket system of the present invention;
FIG. 2 is a schematic view of a pitch angle adjustment support rod and a guide rail sliding table bracket;
FIG. 3 is a schematic view of the connection of the launch booster with the guide track slide;
FIG. 4 is an enlarged view of various parts on the rail slide;
FIG. 5 is a schematic view of the position of a stop bolt and a rear slide on a rocket;
FIG. 6 is a schematic view of a booster sliding groove and a rocket sliding groove;
FIG. 7 is a schematic view of a rocket in profile;
FIG. 8 is a schematic view of a rocket front and rear slides;
FIG. 9 is a schematic view of a rocket recovery system.
Illustration of the drawings:
1. the device comprises an arrow body, 11, a nose cone cabin, 12, an equipment cabin, 13, a strake wing, 14, a tail rudder, 15, a GPS, 16, a recovery system, 17, a front slide block, 18 and a rear slide block; 161. the recovery umbrella bag 162, the explosion bolt 163, the umbrella rope hanger 164, the recovery umbrella rope 165, the traction rope 166 and the recovery umbrella cover plate;
2. the device comprises a ground power-assisted launching device 21, a launching frame base 211, a pitch angle adjusting support rod 212, a guide rail sliding table bracket 2121, a support frame 2122 and a rotating bracket;
3. the device comprises a guide rail sliding table 31, a rocket sliding groove 32, a polished rod 33, a screw rod 34, a booster sliding groove 35, a stop bolt 36, a motor toggle switch 37, a compression spring 38 and a bearing seat;
4. the launching booster 41 is a hollow cylindrical body 42, a spring 43 and a hollow spring column;
5. motor 51, belt 52 and belt pulley.
Detailed Description
Fig. 1 to 9 show a specific embodiment of a thrust-assisted gliding small test rocket system of the present invention, as shown in fig. 1, 2 and 7, comprising an rocket body 1, wherein the rocket body comprises a nose cone 11, an equipment cabin 12, strake wings 13 and a tail rudder 14, the equipment cabin is internally provided with a satellite antenna, a rudder control box for controlling the tail rudder, a telemetry module for surveying and mapping the flight of the rocket, a flight control plate for providing calculation and correction during the flight of the rocket, a battery pack for providing power supply support for each component in the rocket body, a GPS15 for providing navigation function for the rocket, a recovery system 16 for recovering the rocket, and a ground-assisted launching device 2, the ground-assisted launching device comprises a launching frame base 21, the front end and the rear end of the launching frame base are respectively provided with a pitch angle adjusting support rod 211 and a guide rail sliding table bracket 212, a sliding table 3 is erected on the pitch angle adjusting support rod 211 and the guide rail sliding table bracket 212, the guide rail sliding table is provided with a rocket sliding groove 31 for the rocket to slide forwards along the middle axis, the tail end of the guide rail sliding table is provided with a launching booster 4 for pushing the rocket forwards, the front end of the bottom of the rocket body along the center line is provided with a front sliding block 17, the rear end of the rocket body is provided with a rear sliding block 18, and the front sliding block 17 and the rear sliding block 18 slide in the rocket sliding groove 31. According to the invention, various test devices are arranged in the rocket body 1 according to test requirements, and because the rocket is only used as a test, the storage, transportation, storage and launching processes of a small rocket with a built-in engine are considered, and particularly, the installation process has greater danger. The satellite antenna, the rudder control box, the telemetry module, the flight control panel, the battery pack, the GPS, the recovery system and the like arranged in the rocket body are all designed conventionally in the existing rocket, the required modules are increased and decreased according to test requirements, an engine is eliminated mainly from safety consideration, and the launching power-assisted system is arranged on the launching cradle. The launching angle of the guide rail sliding table is adjusted through the pitch angle adjusting supporting rod 211, a guide rail required by rocket launching is provided through the guide rail sliding table 3, the launching booster is accelerated under the action of the motor through the meshing of the screw rod and the launching booster, and the launching booster 4 boosts the rocket to the launching speed required by the rocket so as to replace an engine on a small rocket. Compared with the traditional launcher, the launcher provides power required by the flight of the small rocket through the launching booster, so that the mass of the small rocket is reduced by at least 30%, more instruments and equipment can be arranged in the launcher for testing, the design cost and difficulty of the rocket are reduced, and the requirements of low cost and safety are met.
In this embodiment, as shown in fig. 3, 4, and 6, a hollow cylindrical body 41 has been seted up on the upper portion of launch assistor 4, a spring 42 is equipped with in the hollow cylindrical body 41, and the front end of spring has cup jointed the sealed hollow spring post 43 in top, hollow spring post 43 can freely stretch out and draw back from the preceding terminal surface of hollow cylindrical body, the sealed end butt of hollow spring post 43 is in the bottom of rocket, the rear end of spring 42 is encapsulated at the tail end of hollow cylindrical body by the apron a polished rod 32 and a lead screw 33 have been installed along the both sides parallel of guide rail groove on guide rail slip table 3, polished rod 32 and lead screw 33 pass through bearing frame 38 to be fixed on guide rail slip table 3, the bottom of launch assistor 4 seted up with the screw thread of threaded engagement on the lead screw roll booster glide groove 34 has been seted up respectively to the both sides of guide rail slip table 3, the bottom of launch assistor 4 strides across polished rod 32 and lead screw 33 after its both sides joint be in the bottom of launch assistor 4 In the slide groove 34, the screw 33 is connected to the motor 5. The energy storage is mainly carried out through the spring that is arranged in the air columnar body on 4 upper portions of launching booster in this embodiment, the front end and the rocket bottom contact of hollow spring post 43, rely on hollow spring post 43 extrusion spring energy storage when launching booster 4 slides forward, after motor 5 who is connected with the lead screw starts, motor 5 passes through belt 51 and drives belt pulley 52 rotatory, the belt pulley drives the lead screw rotatory, lead screw 33 is rotatory back, because launching booster 4 relies on the screw thread of 4 bottoms of launching booster and lead screw meshing, and then drive the launching booster and move ahead. And booster sliding grooves 34 are formed in two sides of the guide rail sliding table 3, and the bottom of the launching booster is clamped in the booster sliding grooves, so that the launching booster can stably advance forwards. The polish rod arranged in parallel with the screw rod plays a role in guiding and certainly plays a role in enabling the launching pusher to stably and stably stretch across the screw rod and the polish rod in a balanced manner.
In this embodiment, as shown in fig. 4, the hollow cylindrical body 41 is a conical hollow cylindrical body, the diameter of the cross-section circle near the front end of the guide rail sliding table is small, the diameter of the cross-section circle at the rear end is large, and the spring column freely stretches from the end with the small diameter of the cross-section circle. The hollow cylindrical body 41 arranged at the upper part of the launching pusher 4 is provided with a tapered hollow cylindrical body, which is convenient for mounting the spring and the spring column on one hand and packaging the spring in the hollow cylindrical body through a cover plate on the other hand.
In this embodiment, as shown in fig. 4 and 5, a stop bolt 35 for preventing the rocket from moving is installed in the rocket sliding groove 34, and when the rocket is placed on the guideway 3, the stop bolt 35 is located in front of the rear slider 18 of the rocket. In the embodiment, when the screw 33 rotates to drive the launching booster to move forwards, the rocket before being launched is still on the guide rail sliding table 3 by means of the stop bolt 35, when being launched, the launching booster 4 slides forwards under the action of the rotating force of the screw 33 to extrude the hollow spring column 43 and the spring 42, and when the thrust of the hollow spring column 43 and the spring 42 to the rocket body 1 is larger than the thrust of the small test rocket rear slide block 18 to the stop bolt 35, the stop bolt 35 is pushed downwards, and then the small rocket slides forwards. In this embodiment, the stop bolt 35 includes a screw, the screw is screwed to the bottom of the rocket sliding groove, a spring is sleeved on the top of the screw, a hollow cylinder with an inclined top is sleeved outside the spring, and the inclined surface of the hollow cylinder faces the rear end of the rocket sliding groove. When the spring column and the spring apply thrust to the rocket body, the rocket rear sliding block extrudes the inclined plane of the hollow cylinder of the stop bolt, when the inclined plane is subjected to 20kg of thrust, the hollow cylinder with the inclined plane at the top end is pressed downwards and does not block the launching booster from sliding forwards, and when the inclined plane loses the thrust and the pressure, the stop bolt 35 rebounds.
In this embodiment, as shown in fig. 4, the front end of the screw rod 33 is not engraved with a thread, a motor toggle switch 36 is installed at the end of the side of the sliding table 3 close to the screw thread of the screw rod, and when the launching booster 4 reaches the end of the screw thread, the launching booster triggers the motor toggle switch 36 to turn off the motor. In the embodiment, the front end 500mm of the screw rod 33 is not provided with threads, and when the launching booster reaches the tail end of the screw rod threads, the launching booster 4 triggers the motor to toggle the switch 36 to turn off the motor 5. After the motor 5 is turned off, the launching booster 4 moves forwards at a speed of about 35m/s, at the moment, the motor 5 does not transfer kinetic energy to the launching booster 4 any more, the launching booster 4 interacts with a compressed spring between the small rocket, the spring 42 releases compressed potential energy, forward thrust is generated on the small rocket, and backward thrust is also generated on the launching booster mutually, so that the forward impact speed of the launching booster is reduced. And then, the small rocket slides forwards along the rocket sliding groove to slide out of the guide rail sliding table when the speed of the small rocket is higher than that of the boosting sliding block. The launching booster slides forwards continuously by virtue of inertia, and because the front ends of the screw rod and the guide rod are provided with the pressure-resistant spring 37, the decelerated launching booster impacts the pressure-resistant spring 37, so that the impact force of the launching booster is reduced, and the launching booster and the pressure-resistant spring act for a plurality of times until the launching booster decelerates and stops. The compression spring 37 plays a role in speed reduction on one hand, and on the other hand, the booster is prevented from directly impacting a bearing seat at the top end of the screw rod to damage the launcher. In the embodiment, the length of the screw rod is about 5m, the screw thread of the screw rod occupies 9/10 of the length of the screw rod, the stress is about 300kg, and the material is 30 CrMnSiA.
In this embodiment, as shown in fig. 2, the pitch angle adjusting support rod 211 is a double hydraulic support rod, the upper end of the double hydraulic support rod is hinged to the guide rail sliding table, and the lower end of the double hydraulic support rod is hinged to the launcher base. The rail slide bracket 212 includes a support frame 213 fixed to the launcher base, and a rotary bracket 214 capable of rotating along with the adjustment of the rail slide angle is mounted on the support frame. The rotation bracket mainly plays a role in supporting the guide rail sliding table, and can be adjusted along with the angle adjustment of the guide rail sliding table when the pitch angle adjusting support rod adjusts the emission angle of the guide rail sliding table, so that the rotation bracket can better support the guide rail sliding table. In the embodiment, the rocket launching base is an aluminum plate and is fixedly connected to the hard ground through expansion bolts, and the azimuth angle for rocket launching can be adjusted through the rocket launching base.
In this embodiment, as shown in fig. 9, the recovery system 16 includes a recovery parachute kit 161, an explosion bolt 162, a parachute cord hanger 163, a recovery parachute cord 164, a hauling rope 165, and a recovery parachute cover plate 166, the recovery parachute kit 161 is connected to the parachute cord hanger 163 through the recovery parachute cord 164, the parachute cord hanger 163 is fixedly connected to the arrow body 1, the explosion bolt 162 is connected to the recovery parachute cover plate 166, and the hauling rope 165 is connected to the recovery parachute cover plate. When the booster gliding teaching test rocket flies to the highest point of the preset trajectory and inclines downwards, the control system sends out a command signal to explode the bolt, and the recovery parachute cover plate is ejected. The recovery canopy 166 pulls the recovery bag 161 out of the chamber by pulling on the pull cord 165. The other side of the recovery parachute bag 161 is connected with a parachute line hanger 163. When the pulling force of the pulling rope 165 reaches a preset threshold value, the pulling rope 165 breaks and the recovery parachute canopy plate 166 is automatically separated from the recovery parachute pack 161, then the recovery parachute pack is opened, and the booster gliding small test rocket body structure is hung to fall to the ground for recovery.
The power launching rack is mainly applied to training and test launching. When training at ordinary times and carrying out some new technical verification launches, the safety problem caused by the engine without the propellant is guaranteed, and the launching cost is also obviously reduced. Can meet the requirements of most learning training and research and bring convenience for the research.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention may be apparent to those skilled in the relevant art and are intended to be within the scope of the present invention.
Claims (9)
1. A small-size experimental rocket system of boosting gliding, including the rocket body, including nose cone cabin, equipment cabin, strake wing and tail vane at the rocket body, install satellite antenna, the rudder control box that is used for controlling the tail vane in the equipment cabin, a telemetry module that is used for surveying and mapping the flight of rocket, be used for providing the flight control board of resolving and revising when flying the rocket, be used for providing the group battery of power support for each part in the rocket body, a GPS for providing navigation function for the rocket, a recovery system for retrieving the rocket, its characterized in that: the ground power-assisted launching device comprises a launching frame base, a pitch angle adjusting support rod and a guide rail sliding table bracket are respectively arranged at the front end and the rear end of the launching frame base, the guide rail sliding table is erected on the pitch angle adjusting support rod and the guide rail sliding table bracket, a rocket sliding groove for the rocket to slide forwards is formed in the guide rail sliding table along an intermediate axis, a launching booster for pushing the rocket forwards is arranged at the tail end of the guide rail sliding table, a front sliding block is arranged at the bottom of the rocket body along the front end of the central line, a rear sliding block is arranged at the rear end of the rocket body, and the front sliding block and the rear sliding block slide in the rocket sliding groove;
the upper part of the launching booster is provided with a hollow cylindrical body, a spring is arranged in the hollow cylindrical body, the front end of the spring is sleeved with a hollow spring column with a sealed top end, the hollow spring column can freely stretch out and draw back from the front end surface of the hollow cylindrical body, the sealing end of the hollow spring column is abutted against the bottom of the rocket, the rear end of the spring is packaged at the tail end of the hollow cylindrical body, a polished rod and a lead screw are arranged on the guide rail sliding table in parallel along two sides of the guide rail groove, the polished rod and the lead screw are fixed on the guide rail sliding table through a bearing seat, the bottom of the launching booster is provided with a thread engaged with the thread on the lead screw, two sides of the guide rail sliding table are respectively provided with a booster sliding groove, the bottom of the launching booster stretches across a polished rod and a screw rod, and then two sides of the bottom of the launching booster are clamped in the booster sliding grooves, and the screw rod is connected with a motor;
after a motor connected with the screw rod is started, the motor drives the belt pulley to rotate through a belt, the belt pulley drives the screw rod to rotate, and after the screw rod rotates, the launching booster drives the launching booster to move forwards by means of threads meshed with the screw rod at the bottom of the launching booster.
2. A thrust glide bench-scale rocket system according to claim 1, wherein: the hollow cylindrical body is a conical hollow cylindrical body, the diameter of a section circle close to the front end of the guide rail sliding table is small, the diameter of a section circle at the rear end is large, and the hollow spring column can freely stretch out and draw back from the end with the small diameter of the section circle.
3. A thrust glide bench-scale rocket system according to claim 1, wherein: and a stop bolt for preventing the rocket from moving is arranged in the rocket sliding groove, and when the rocket is placed on the guide rail sliding table, the stop bolt is positioned in front of the rear sliding block of the rocket.
4. A thrust glide bench-scale rocket system according to claim 3, wherein: the stop bolt comprises a screw, the screw is screwed at the bottom of the rocket sliding groove, a spring is sleeved at the top of the screw, a hollow cylinder with an inclined surface at the top end is sleeved outside the spring, and the inclined surface of the hollow cylinder faces the rear end of the rocket sliding groove.
5. A thrust glide bench-scale rocket system according to claim 1, wherein: the lead screw front end is not carved with the screw thread the terminal department that the side of guide rail slip table is close to the lead screw thread has installed motor toggle switch, works as when the transmission boost arrives lead screw thread end, transmission boost trigger motor toggle switch closes the motor.
6. A thrust glide bench-scale rocket system according to claim 1, wherein: and the top ends of the screw rod and the guide rod are provided with anti-collision compression springs.
7. A thrust gliding mini-test rocket system according to any one of claims 1 to 6, wherein: the angle of pitch regulation bracing piece is two hydraulic support rods, the upper end and the guide rail slip table of two hydraulic support rods are articulated, the lower extreme with the launching cradle base is articulated, guide rail slip table bracket includes the support frame of rigid coupling on the launching cradle base the support frame facial make-up is equipped with can be along with guide rail slip table angular adjustment and pivoted rotation bracket.
8. A thrust gliding mini-test rocket system according to any one of claims 1 to 6, wherein: the base of the rocket launching cradle is made of aluminum plate and is fixedly connected to the hard ground through expansion bolts.
9. A thrust gliding mini-test rocket system according to any one of claims 1 to 6, wherein: the recovery system comprises a recovery umbrella bag, an explosion bolt, an umbrella rope hanger, a recovery umbrella rope, a traction rope and a recovery umbrella cover plate, wherein the recovery umbrella bag is connected with the umbrella rope hanger through the recovery umbrella rope, the umbrella rope hanger is fixedly connected in a cylinder body, the explosion bolt is connected with the recovery umbrella cover plate, and the traction rope is connected with the recovery umbrella cover plate.
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| CN113008515B (en) * | 2021-02-26 | 2023-04-18 | 中国船舶科学研究中心 | Multi-angle water-entering simulation auxiliary device for winged cone model |
| CN114771860B (en) * | 2022-04-02 | 2022-09-09 | 天津航天中为数据系统科技有限公司 | Automatic device of loading of unmanned aerial vehicle boosting rocket |
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| CN111854545A (en) | 2020-10-30 |
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