Parachute launching rocket launching canister and parachute launching device
By designing the cylinder assembly and positioning frame in the parachute rocket launcher, a closed installation space is formed, which solves the problem of damage caused by exposed ignition components, and realizes the safety and normal operation of the ignition device in aircraft flight.
Patent Information
- Application Number
- CN202421213191.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-30
AI Technical Summary
In the prior art, the base plate of the parachute rocket launcher is located outside, and the ignition assembly is exposed after installation, which is easily damaged during aircraft flight, affecting the normal operation of the ignition assembly.
An umbrella rocket launcher is designed, which includes a cylinder assembly and a positioning frame. The cylinder is equipped with a housing cavity and a launching outlet. The positioning frame opens a set position hole for fixing the igniter and is spaced from the bottom of the housing cavity. Avoid exposure of the ignitor to the outside and ensure that it is not damaged during flight.
It effectively prevents damage to the igniter during aircraft flight, ensures that the igniter can ignite the parachute rocket normally, and improves the reliability and stability of the parachute rocket launch device.
Smart Images
Figure CN222247653U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aircraft recovery, in particular to a parachute shooting rocket launching tube and a parachute shooting launching device. Background Art
[0002] Aircraft such as drones and small aircraft need to be recovered using parachutes after completing their missions. During the recovery process, a parachute rocket needs to be fired first, so that the parachute rocket pulls the parachute in the aircraft's parachute compartment out of the compartment and gradually opens, so that the parachute assists the aircraft to land and be recovered.
[0003] The prior art with announcement number CN113720207A discloses a cylindrical parachute rocket launcher and a method for installing a parachute rocket. Through the corresponding coaxial arrangement of the first launch tube, the second launch tube and the bottom plate and the detachable connection between each other, the parachute rocket launcher can be quickly assembled to ensure the rigidity and stability of the launcher. The cylindrical parachute rocket launcher of the utility model has a simple structure and is easy to assemble. It can quickly realize the disassembly and assembly of the parachute rocket in the launcher, reduce the weight of the launcher, and fully ensure the stability and reliability of the setting and launching of the parachute rocket in the launcher, avoid the problem of bracket biting during the launch process, provide a guarantee for the reliable application of the parachute rocket, promote the development of spacecraft recovery technology, and have significant economic benefits and broad market prospects.
[0004] However, this prior art still has defects. For example, the ignition assembly mounting hole opened in the middle of the base plate is used to install the ignition assembly. Since the base plate is located outside, the ignition assembly will be exposed to the outside after being installed in the ignition assembly mounting hole, which can easily cause damage to the ignition assembly during the flight of the aircraft. Utility Model Content
[0005] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and to propose a parachute rocket launching tube and a parachute rocket launching device, so as to solve the technical problem that the base plate of the parachute rocket launching device in the prior art is located outside, the ignition component is exposed to the outside after being installed in the ignition component mounting hole, the ignition component is easily damaged during the flight of the aircraft, and the ignition component is affected to ignite the parachute rocket.
[0006] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:
[0007] In a first aspect, the utility model provides a parachute rocket launcher, comprising:
[0008] The barrel assembly comprises a launch barrel, one end of which is closed and the other end of which has a launch outlet, a receiving chamber is arranged inside the launch barrel, and the receiving chamber is connected to the external air through the launch outlet; and
[0009] A positioning frame, wherein the positioning frame is connected to the cavity wall of the accommodating cavity, the positioning frame and the closed end of the accommodating cavity form an installation space, and the positioning frame is provided with a positioning hole for the igniter to pass through, so that the part of the igniter passing through the positioning hole is located in the installation space.
[0010] In some embodiments, the positioning frame is U-shaped and is formed with a U-shaped groove, both ends of the positioning frame are connected to the cavity wall of the accommodating cavity, and the positioning hole is formed at the bottom of the positioning frame.
[0011] In some embodiments, the positioning frame is provided with a plurality of auxiliary holes, and the plurality of auxiliary holes are arranged around the circumference of the positioning hole.
[0012] In some embodiments, the barrel assembly further includes a reinforcing rib, wherein the reinforcing rib is connected to an end of the positioning frame and is disposed away from the U-shaped groove, and the reinforcing rib is connected to a cavity wall of the accommodating cavity.
[0013] In some embodiments, the launching tube includes a first barrel and a second barrel, one end of the first barrel is closed, the other end of the first barrel is open and detachably connected to the second barrel, the second barrel is hollow with both ends open, and the end of the second barrel away from the first barrel has the launching outlet.
[0014] In some embodiments, the barrel assembly includes a plurality of connecting columns, which are arranged around the inner wall of the first barrel, and the end of each connecting column close to the second barrel extends out of the first barrel, and the ends of the connecting columns extending out of the first barrel can be detachably connected to the second barrel.
[0015] In some embodiments, a first through hole is formed at the end of the connecting column extending out of the first cylinder, and a second through hole is formed in the second cylinder that passes through its side wall. When the first cylinder is connected to the second cylinder, the first through hole is connected to the second through hole.
[0016] In some embodiments, the cylinder assembly further includes a guide rail disposed on an inner wall of the second cylinder, and when the first cylinder is connected to the second cylinder, the guide rail abuts against the connecting column.
[0017] In some embodiments, the guide rail is provided with a slide groove, and the slide groove is provided with a pre-tensioning rope, and the pre-tensioning rope is used to connect the parachute rocket located in the slide groove.
[0018] In the second aspect, the utility model also provides a parachute launching device, including a parachute rocket, an igniter and the above-mentioned parachute rocket launching tube, the parachute rocket is slidably arranged in the launching tube, the igniter is fixed through the positioning hole of the positioning frame, and the igniter is connected to the parachute rocket and can ignite the parachute rocket to drive the parachute rocket to be ejected from the launching outlet.
[0019] Compared with the prior art, the parachute rocket launch tube provided by the utility model has a launch outlet for inserting the parachute rocket into the accommodating cavity, and the igniter connected to the parachute rocket can be fixed through the positioning hole of the positioning frame. Since the positioning frame is spaced apart from the bottom of the accommodating cavity, there is enough space for the igniter to be installed and fixed after the positioning hole is penetrated. In addition, since the bottom of the accommodating cavity is closed, the igniter is not exposed to the outside and in contact with the air, and the aircraft will not cause damage to the igniter during flight. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of a parachute rocket launch tube provided by an embodiment of the utility model;
[0021] Figure 2 It is a disassembly schematic diagram of a parachute rocket launch tube provided by an embodiment of the utility model;
[0022] Figure 3 It is a schematic diagram of the internal structure of the second cylinder provided in an embodiment of the utility model;
[0023] Figure 4 yes Figure 3 Disassembly diagram of
[0024] Figure 5 It is a structural schematic diagram of a parachute launching device provided by an embodiment of the utility model;
[0025] Figure 6 It is a schematic diagram of a parachute-shooting rocket provided by an embodiment of the utility model when it is launched and separated from a parachute-shooting rocket launching tube. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0027] In order to solve the technical problem that the base plate of the parachute rocket launching device in the prior art is located outside, the ignition assembly will be exposed to the outside after being installed in the ignition assembly mounting hole, the ignition assembly is easily damaged during the flight of the aircraft, and the ignition assembly is affected to ignite the parachute rocket, the utility model provides a parachute rocket launching tube, which can realize the packaging of the igniter for igniting the parachute rocket to avoid the igniter being exposed to the air. The igniter will not be affected by the air environment during the flight of the aircraft and can ignite the parachute rocket normally.
[0028] It should be noted that the parachute rocket launcher described in the utility model is used for but not limited to parachute launching devices, etc. For the convenience of explanation, in the utility model, only the application of the parachute rocket launcher to the parachute launching device is taken as an example for explanation, and the principle of applying the parachute rocket launcher to other types of equipment is essentially the same as the principle applied to the parachute launching device, which will not be elaborated here.
[0029] See also Figure 1 , Figure 1 It is a schematic diagram of the structure of a parachute rocket launch tube 101 in an embodiment of the utility model. The parachute rocket launch tube 101 includes a barrel assembly 1 and a positioning frame 2. The barrel assembly 1 includes a launch tube 11. One end of the launch tube 11 is closed, and the other end has a launch outlet 112. An accommodating chamber 111 is provided in the launch tube, and the accommodating chamber 111 is connected to the external air through the launch outlet 112, so that the parachute rocket can be inserted into the accommodating chamber 111 from the launch outlet 112 and the parachute rocket can rush out from the launch outlet 112 when ignited.
[0030] The positioning frame 2 is connected to the cavity wall of the accommodating cavity 111, and the positioning frame 2 and the closed end of the accommodating cavity 111 form an installation space. Specifically, the positioning frame 2 and the cavity bottom of the accommodating cavity 111 are spaced to form an installation space, so that the igniter has enough installation space to be installed on the positioning frame 2 for fixing, and the installation of the igniter is convenient. The positioning frame 2 is provided with a positioning hole 21 for the igniter to pass through. When the igniter passes through the positioning hole 21 for installation, the part of the igniter passing through the positioning hole 21 can be located in the installation space. The existing igniter is exposed to the outside air after passing through the positioning hole. During the high-speed flight of the aircraft, the airflow can easily affect the igniter, making the igniter easily damaged. The igniter of the present application is located in the accommodating cavity, is not exposed to the outside air, and is basically not affected by the airflow. The igniter can work normally to ignite the parachute rocket and lead out the parachute located in the parachute compartment of the aircraft.
[0031] In one embodiment, see Figure 2, the positioning frame 2 is U-shaped and is formed with a U-shaped groove 22, and both ends of the positioning frame 2 are connected to the cavity wall of the accommodating cavity 111. In this embodiment, the two ends of the positioning frame 2 can directly accommodate the cavity wall of the cavity 111, such as welding or detachable connection. The two ends of the positioning frame 2 can also be indirectly connected to the cavity wall of the accommodating cavity 111 through other components, for example, both ends of the positioning frame 2 are connected with reinforcing ribs 3, and the reinforcing ribs 3 are connected to the ends of the positioning frame 2 and are arranged back to the U-shaped groove 22. The reinforcing ribs 3 are connected to the cavity wall of the accommodating cavity 111, which can be directly connected or indirectly connected through other components. For example, the cavity wall of the accommodating cavity 111 is provided with a guide bar 113, and the guide bar 113 is detachably connected to the cavity wall of the accommodating cavity 111 by screws, and the top of the reinforcing rib 3 is detachably connected to the bottom of the guide bar 113 by screws, so as to facilitate disassembly and maintenance. In other embodiments, the positioning frame 2 can also be set to other shapes, such as a straight shape, and the two ends of the positioning frame 2 of this embodiment are directly welded to the cavity wall of the accommodating cavity 111.
[0032] The bottom of the positioning frame 2 is provided with the above-mentioned positioning hole 21, and the shape of the positioning hole 21 can be adapted to the shape of the igniter to be installed, for example Figure 3 The positioning hole 21 of the illustrated embodiment is circular, and is suitable for the installation of a rod-shaped igniter.
[0033] In one embodiment, see Figure 3 The positioning frame 2 is provided with a plurality of auxiliary holes 23, which are arranged around the circumference of the positioning hole 21, so as to assist in fixing the igniter from multiple directions. The igniter can be inserted into the positioning hole 21 for pre-fixation, and then the corresponding binding rope is passed through the auxiliary hole 23 to further fix the igniter, so that the igniter can be installed more stably.
[0034] In one embodiment, see Figure 2 The launch tube 11 includes a first barrel 114 and a second barrel 115. One end of the first barrel 114 is closed, and the other end of the first barrel 114 is open and detachably connected to the second barrel 115. The second barrel 115 is hollow with both ends open. The end of the second barrel 115 away from the first barrel 114 has the above-mentioned launch outlet 112. In this embodiment, the launch tube 11 is divided into two detachably connected parts, which is conducive to the convenient installation of the igniter. When installing the igniter, the launch tube 11 can be firstly split into the first barrel 114 and the second barrel 115. At this time, the positioning frame 2 is exposed, which is convenient for installing the igniter in the positioning hole 21 of the positioning frame 2. After the igniter is installed, the first barrel 114 and the second barrel 115 are spliced and installed with screws.
[0035] In one embodiment, see Figure 2The barrel assembly 1 includes a plurality of connecting columns 12, which are arranged around the inner wall of the first barrel 114. The end of each connecting column 12 close to the second barrel 115 extends out of the first barrel 114, and the end of the connecting column 12 extending out of the first barrel 114 can be detachably connected to the second barrel 115, for example, detachably connected by screws. In this embodiment, when all the connecting columns 12 are connected to the second barrel 115, the outer wall of the first barrel 114 can be flush with the outer wall of the second barrel 115, so that the launch barrel 11 appears simple and beautiful as a whole. In addition, the plurality of connecting columns 12 on the periphery of the first barrel 114 can keep the first barrel 114 and the second barrel 115 stably connected when connected to the second barrel 115.
[0036] In one embodiment, see Figure 2 A first through hole 121 is formed at the end of the connecting column 12 extending out of the first cylinder 114, and a second through hole 116 is formed in the second cylinder 115 that passes through its side wall. When the first cylinder 114 and the second cylinder 115 are connected, the first through hole 121 and the second through hole 116 are connected to each other. At this time, screws can be used to penetrate the first through hole 121 and the second through hole 116 at the same time to connect and fix the first cylinder 114 and the second cylinder 115.
[0037] In one embodiment, see Figure 3 and Figure 4 The inner wall of the second cylinder 115 is provided with two opposite guide rails 113. Figure 4 The guide bar 113 of the illustrated embodiment is connected to the inner wall of the second cylinder 115 in a detachable manner. Specifically, the inner wall of the second cylinder 115 is provided with a fixing seat 14, and the fixing seat 14 is provided with a slot 141 along the sliding direction of the parachute rocket. The guide bar 113 is provided with a plurality of sliders 15 along its length extension direction, and the plurality of sliders 15 are all slidably connected to the slot 141, and the sliders 15 and the fixing seat 14 are both provided with screw holes. During installation, the guide bar 113 can be first slidably connected to the slot 141 through the sliders 15, and then the guide bar 113 and the sliders 15 are connected with screws to complete the connection. The guide bar 113 of this embodiment can be disassembled and replaced from the fixing seat 14. Since the size of the guide bar 113 required by different parachute rockets may be different, it is possible to configure and replace a suitable guide bar 113 according to the parachute rocket to be launched.
[0038] One end of the guide bar 113 away from the first cylinder 114 extends to be flush with the port of the first cylinder 114, and the other end of the guide bar 113 is still at a certain distance from the port of the second cylinder 115, forming a plug-in space. When the first cylinder 114 is connected to the second cylinder 115, the part of the connecting column 12 extending out of the first cylinder 114 is inserted into the plug-in space and abuts against the end of the guide bar 113, which is conducive to assisting the connection and installation of the first cylinder 114 and the second cylinder 115, and is conducive to improving the installation efficiency.
[0039] In one embodiment, see Figure 3 and Figure 4 The guide rail 113 is provided with a chute 117, and the chute 117 is provided with a pre-tensioning rope 118, and the pre-tensioning rope 118 is used to connect the parachute rocket located in the chute 117. The pre-tensioning rope 118 is connected to the parachute rocket, and the parachute rocket is softly connected to prevent the parachute rocket from accidentally derailing before launch. When the parachute rocket is ignited and launched, the strong thrust generated by the parachute rocket can break the pre-tensioning rope 118 and quickly break free from the restraint of the pre-tensioning rope 118.
[0040] In one embodiment, see Figure 1 The outer wall of the launch tube 11 is also provided with two mounting brackets 13, and both ends of the two mounting brackets 13 are detachably connected to the launch tube 11 by screws, so as to facilitate disassembly and assembly. The middle parts of the two mounting brackets 13 are both planar, and both are provided with screw holes 131. The mounting brackets 13 can be connected to the aircraft by screws through the screw holes 131, so that the parachute rocket launch tube 101 can be installed on the aircraft. In addition, the two mounting brackets 13 are arranged at intervals up and down, and the two mounting brackets 13 can be installed on the aircraft by screws at the same time, so that the parachute rocket launch tube 101 can be installed stably.
[0041] Second, see Figure 5 and Figure 6 The utility model also provides a parachute launch device 100, including a parachute rocket 102, an igniter and the above-mentioned parachute rocket launch tube 101, the parachute rocket 102 is slidably arranged in the launch tube 101, the igniter is fixed by passing through the positioning hole 21 of the positioning frame 2, and the igniter is connected to the parachute rocket 102, and can ignite the parachute rocket 102 to drive the parachute rocket 102 to be ejected from the launch outlet 112. For example, the igniter is wirelessly connected to the remote terminal, and the staff can control the remote terminal to send a signal to the igniter to control the igniter to ignite the parachute rocket 102 to ignite the parachute rocket. There is fuel inside the parachute rocket, and the fuel can release a powerful flame jet impact when burning to drive the parachute rocket out. The parachute rocket is connected to the parachute in the parachute cabin of the aircraft, and can bring the parachute out of the parachute cabin, guide the parachute to open, and assist in the recovery of the aircraft.
[0042] Positioning protrusions 4 are provided on both sides of the outer wall of the parachute rocket 102, and the positioning protrusions 4 are used to slide and engage with the slide grooves 117 of the guide rails 113, so that the parachute rocket 102 can be stably rushed out along the length extension direction of the slide grooves 117 during launch. In addition, the positioning protrusions 4 are provided with rope holes 41 that penetrate through them, and the rope holes 41 are used for the pre-tightening ropes 118 to pass through, so as to softly connect the parachute rocket 102 and prevent the parachute rocket 102 from accidentally sliding out before launch.
[0043] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.
Claims
1. A parachute rocket launcher, characterized in that: include: The barrel assembly comprises a launch barrel, one end of which is closed and the other end of which has a launch outlet, a receiving chamber is arranged inside the launch barrel, and the receiving chamber is connected to the external air through the launch outlet; and A positioning frame, wherein the positioning frame is connected to the cavity wall of the accommodating cavity, the positioning frame and the closed end of the accommodating cavity form an installation space, and the positioning frame is provided with a positioning hole for the igniter to pass through, so that the part of the igniter passing through the positioning hole is located in the installation space.
2. The parachute rocket launcher according to claim 1, characterized in that: The positioning frame is U-shaped and is formed with a U-shaped groove. Both ends of the positioning frame are connected to the cavity wall of the accommodating cavity. The bottom of the positioning frame is provided with the positioning hole.
3. The parachute rocket launcher according to claim 1, characterized in that: The positioning frame is provided with a plurality of auxiliary holes, and the plurality of auxiliary holes are arranged around the circumference of the positioning hole.
4. The parachute rocket launcher according to claim 2, characterized in that: The cylinder assembly further comprises a reinforcing rib, wherein the reinforcing rib is connected to the end of the positioning frame and is arranged facing away from the U-shaped groove, and the reinforcing rib is connected to the cavity wall of the accommodating cavity.
5. The parachute rocket launcher according to claim 4, characterized in that: The launching tube comprises a first barrel and a second barrel, wherein one end of the first barrel is closed, and the other end of the first barrel is open and detachably connected to the second barrel, and the second barrel is hollow with both ends open, and the end of the second barrel away from the first barrel has the launching outlet.
6. The parachute rocket launcher according to claim 5, characterized in that: The barrel assembly includes a plurality of connecting columns, which are arranged around the inner wall of the first barrel. The end of each connecting column close to the second barrel extends out of the first barrel, and the end of the connecting column extending out of the first barrel can be detachably connected to the second barrel.
7. The parachute rocket launcher according to claim 6, characterized in that: The end of the connecting column extending out of the first cylinder is provided with a first through hole, and the second cylinder is provided with a second through hole penetrating through its side wall. When the first cylinder is connected to the second cylinder, the first through hole is connected to the second through hole.
8. The parachute rocket launcher according to claim 6, characterized in that: The cylinder assembly further comprises a guide rail disposed on the inner wall of the second cylinder. When the first cylinder is connected to the second cylinder, the guide rail abuts against the connecting column.
9. The parachute rocket launcher according to claim 8, characterized in that: The guide rail is provided with a slide groove, and the slide groove is provided with a pre-tightening rope, and the pre-tightening rope is used to connect the parachute rocket located in the slide groove.
10. A parachute launching device, characterized in that: It comprises a parachute rocket, an igniter and a parachute rocket launching tube as claimed in any one of claims 1 to 9, wherein the parachute rocket is slidably arranged on the launching tube, the igniter passes through a positioning hole of the positioning frame for fixing, and the igniter is connected to the parachute rocket and can ignite the parachute rocket to drive the parachute rocket to be launched from the launching outlet.