Ejection assembly
By combining the catapult rail and the catapult carrier, and utilizing elastic drive and gas lubrication, along with electromagnetic locks and pyrotechnic devices, the problem of rapidly and continuously launching multiple aircraft in a limited space by existing catapult systems has been solved, achieving a simplified structure and efficient catapult effect.
Patent Information
- Application Number
- CN202423320436.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing catapult systems occupy a large area, are difficult to deploy and retract, are complex to control, and lack the ability to rapidly and continuously launch multiple aircraft within a limited space.
It employs a combination of catapult rails and catapult carriers, utilizing elastic drive and gas lubrication to achieve mechanical energy and gas lubrication, combined with an electromagnetic lock device to achieve rapid and continuous catapult launch, and a pyrotechnic device to provide additional thrust.
It enables the rapid and continuous ejection of multiple aircraft within a limited space, with a simplified structure, low cost, good ejection effect, and reusability.
Smart Images
Figure CN223865107U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of ejection technology, especially a kind of ejection assembly. BACKGROUND
[0002] Ejection take-off is a kind of launching mode of aircraft, spacecraft, also commonly seen in small fixed-wing unmanned aerial vehicle, specifically refers to the mechanical energy generated by various means makes flight machine body accelerate to safe take-off speed on limited track and enters predetermined flight route. Current common ejection system has many problems, for example: traditional hydraulic ejection system and pneumatic ejection system occupies large area and is difficult to spread and withdraw, and the control and adjustment of traditional rocket boost system are very complex and have poor reusability. In addition, the above-mentioned traditional ejection system does not have the ability to quickly and continuously eject multiple flight machine bodies in limited space. SUMMARY
[0003] The utility model provides a kind of in limited space quickly and continuously ejects multiple flight machine bodies's ejection assembly, including ejection guide rail, first ejection device and ejection carrier, the ejection guide rail includes first end and second end opposite with the first end, the ejection carrier is used to load to be ejected machine body, the ejection carrier can slide between the first end of the ejection guide rail and the second end of the ejection guide rail, the first ejection device is set to the first end of the ejection guide rail, the first ejection device can drive the ejection carrier by elastic force and slide from the first end of the ejection guide rail to the second end of the ejection guide rail, the ejection carrier can release the to be ejected machine body when sliding to the second end of the ejection guide rail.
[0004] Further, the ejection guide rail includes guide rail main body, first limiting portion and second limiting portion, the first limiting portion is located at the first end of the ejection guide rail, the second limiting portion is located at the second end of the ejection guide rail, the first limiting portion and the second limiting portion can be respectively with the ejection carrier, prevent the ejection carrier from the corresponding end of the guide rail main body and get out.
[0005] Further, the first ejection device includes spring part and guide ring, the spring part and the guide ring are arranged in the ejection guide rail, and the first end of the spring part is fixedly connected with the first limiting portion, and a part of the ejection carrier can pass through the guide ring and abut against the second end of the spring part.
[0006] Further, the ejection assembly further includes locking device, the locking device is arranged between the ejection carrier and the first ejection device, for locking the ejection carrier in the set position of the first ejection device, or unlocking the ejection carrier from the first ejection device.
[0007] Further, the locking device comprises a relay, an electromagnetic lock body and an electromagnetic lock core, the relay is used for controlling the electromagnetic lock body, the electromagnetic lock body is arranged on one of the ejection carrier and the first ejection device, the electromagnetic lock core is arranged on the other one of the ejection carrier and the first ejection device, and the electromagnetic lock core can be attracted to the electromagnetic lock body to lock the ejection carrier to the first ejection device.
[0008] Further, the second ejection device is arranged to form gas lubrication between the ejection guide rail and the ejection carrier.
[0009] Further, the second ejection device comprises a gas jet device connected with a gas pressure hole on the ejection guide rail, the gas jet device sprays gas to the ejection guide rail and the ejection carrier through the gas pressure hole to form gas lubrication between the guide rail body and the ejection carrier.
[0010] Further, the ejection carrier comprises a loading guide rail arranged on the top of the main body and used for loading the to-be-ejected machine body, and the main body can slide relative to the guide rail body and can be abutted against the first ejection device, and the main body is internally provided with a magnetic attraction device used for attracting the to-be-ejected machine body.
[0011] Further, the main body is further provided with a baffle protruding above the main body and capable of being abutted against the to-be-ejected machine body to prevent the to-be-ejected machine body from being pulled out along the length direction of the loading guide rail.
[0012] Further, the explosive ejection device is arranged to provide thrust for the to-be-ejected machine body when the ejection carrier slides to the second end of the ejection guide rail.
[0013] The ejection assembly provided by the utility model ejects the to-be-ejected machine body through the first ejection device for providing mechanical energy and the second ejection device for providing gas lubrication, has good ejection effect, in addition, the utility model further realizes repeated use of the ejection system through the ejection carrier capable of sliding on the ejection guide rail, and after ejecting one to-be-ejected machine body, the ejection carrier is reset to load a new to-be-ejected machine body, and the ejection assembly has the capability of quickly and continuously ejecting multiple to-be-ejected machine bodies in limited space. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic view of the ejection assembly provided by the utility model when not ejecting.
[0015] Figure 2 It is a schematic view of the ejection assembly provided by the utility model when ejecting.
[0016] Figure 3 It is a schematic view of the ejection guide rail, the first ejection device and the ejection carrier in the utility model when not ejecting.
[0017] Figure 4 It is a schematic view of the ejection guide rail, the first ejection device and the ejection carrier in the utility model when ejecting. DETAILED DESCRIPTION
[0018] In order to further explain the technical means and effects taken by the utility model to achieve the predetermined invention purpose, the utility model is described in detail as follows by combining with the drawings and the preferred embodiments.
[0019] It should be noted that the terms "first", "second", "third", "fourth" and the like in the specification and claims of the utility model are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence.
[0020] Please refer to Figure 1 and Figure 2The utility model discloses a first ejection device 2 and the second ejection device of providing gas lubrication eject the body to be ejected 5, have better ejection effect, in addition, the utility model discloses still through the ejection carrier 4 of the sliding on the ejection guide rail 1 has realized the repeated use of ejection system, after ejecting a body to be ejected, resets the ejection carrier 4, can again load a new body to be ejected, possesses the ability of quick, continuous ejection of multiple bodies to be ejected in limited space.
[0021] Please see Figures 3-4Further, the first ejection device 2 in the utility model includes spring part 21. The ejection carrier 4 can slide along the guide rail main body 11 under the drive of spring part 21. Spring part 21 includes first end and second end, and the first end of spring part 21 is fixedly connected with the first limiting part 12, and the second end of spring part 21 can abut against the ejection carrier 4, and spring part 21 can store elastic force when the second end of spring part 21 is close to the first end of spring part 21, and can also release elastic force to push the ejection carrier 4 to the second limiting part 13 along the ejection guide rail 1. That is to say, when spring part 21 is compressed to store elastic force, the ejection carrier 4 is close to the first limiting part 12, and when spring part 21 restores to release elastic force, the ejection carrier 4 is pushed away from the first limiting part 12.
[0022] Further, the first ejection device 2 in the utility model includes spring part 21. The ejection carrier 4 can slide along the guide rail main body 11 under the drive of spring part 21. Spring part 21 includes first end and second end, and the first end of spring part 21 is fixedly connected with the first limiting part 12, and the second end of spring part 21 can abut against the ejection carrier 4, and spring part 21 can store elastic force when the second end of spring part 21 is close to the first end of spring part 21, and can also release elastic force to push the ejection carrier 4 to the second limiting part 13 along the ejection guide rail 1. That is to say, when spring part 21 is compressed to store elastic force, the ejection carrier 4 is close to the first limiting part 12, and when spring part 21 restores to release elastic force, the ejection carrier 4 is pushed away from the first limiting part 12.
[0023] Further, the first ejection device 2 further comprises a mounting seat 221, a guide ring 222 and a support column 223, the mounting seat 221 is located at the first end of the spring part 21 and is fixedly connected with the first end of the spring part 21, the mounting seat 221 is also fixedly connected with the first limiting part 12, the guide ring 222 is fixedly connected with the guide rail body 11, the support column 223 is connected between the guide ring 222 and the mounting seat 221, when the spring part 21 is compressed and the ejection carrier 4 approaches the first limiting part 12, the guide ring 222 is sleeved outside the ejection carrier 4, so that the ejection carrier 4 is prevented from being normally separated from the guide rail body 11, and the ejection carrier 4 can slide relative to the guide ring 222 and be separated from the guide ring 222 along the length direction of the guide rail body 11, that is, the guide ring 222 provides sliding guidance for the ejection carrier 4. The spring part 21 capable of storing and releasing elastic force is used to provide mechanical energy for the ejection carrier 4, the structure is simple and the cost is low, and the ejection separation of the to-be-ejected machine body at a small disturbance angular velocity is ensured.
[0024] Further, the first ejection device 2 further comprises a mounting seat 221, a guide ring 222 and a support column 223, the mounting seat 221 is located at the first end of the spring part 21 and is fixedly connected with the first end of the spring part 21, the mounting seat 221 is also fixedly connected with the first limiting part 12, the guide ring 222 is fixedly connected with the guide rail body 11, the support column 223 is connected between the guide ring 222 and the mounting seat 221, when the spring part 21 is compressed and the ejection carrier 4 approaches the first limiting part 12, the guide ring 222 is sleeved outside the ejection carrier 4, so that the ejection carrier 4 is prevented from being normally separated from the guide rail body 11, and the ejection carrier 4 can slide relative to the guide ring 222 and be separated from the guide ring 222 along the length direction of the guide rail body 11, that is, the guide ring 222 provides sliding guidance for the ejection carrier 4. The spring part 21 capable of storing and releasing elastic force is used to provide mechanical energy for the ejection carrier 4, the structure is simple and the cost is low, and the ejection separation of the to-be-ejected machine body at a small disturbance angular velocity is ensured.
[0025] Further, the second ejection device in the utility model includes a jet device, the jet device is connected with the air pressure hole on the guide rail main body 11, the jet device sprays air between the guide rail main body 11 and the ejection carrier 4 through the air pressure hole to form gas lubrication between the guide rail main body 11 and the ejection carrier 4. Specifically, in the embodiment, the jet device sprays air to the guide rail main body 11 through the air pressure hole to form an air cushion layer between the guide rail main body 11 and the ejection carrier 4, which can reduce the sliding friction between the ejection carrier 4 and the guide rail main body 11, and realize the smooth and rapid sliding of the ejection carrier 4.
[0026] Further, the ejection carrier 4 in the utility model includes a loading guide rail 41 and a main body part 42. The loading guide rail 41 is arranged on the top of the main body part 42, and is used for loading the to-be-ejected machine body 5. The main body part 42 can slide relative to the guide rail main body 11, one end of the main body part 42 is used for abutting against the spring part 21, and the main body part 42 is provided with a magnetic attraction device for attracting the ejection carrier 4 and the to-be-ejected machine body 5 and the guide rail main body 11 respectively. Specifically, in the embodiment, the loading guide rail 41 is a groove recessed on the upper surface of the main body part 42 and extending along the length direction of the main body part 42, the to-be-ejected machine body 5 can be placed in the loading guide rail 41 and slide out of the loading guide rail 41 by inertia when the ejection carrier 4 reaches the second end of the ejection guide rail 1; the main body part 42 is provided with a baffle 43, the baffle 43 is protruded on the upper surface of the main body part 42, and the baffle 43 is used for abutting against the to-be-ejected machine body 5 and limiting the tail end of the to-be-ejected machine body 5, the baffle 43 prevents the to-be-ejected machine body 5 from sliding out of the first limiting part 12, that is, the first end of the ejection guide rail 1, by abutting against the tail end of the to-be-ejected machine body 5, and it is easy to understand that the head end of the to-be-ejected machine body 5 is the ejection direction, so it is necessary to prevent the to-be-ejected machine body 5 from sliding out of the tail end direction; the magnetic attraction device is used for keeping the ejection carrier 4 and the to-be-ejected machine body 5 relatively fixed during the sliding process of the ejection carrier 4 relative to the ejection guide rail 1, so the to-be-ejected machine body 5 is also provided with a mechanism that can be attracted by the magnetic attraction device, for example, a metal base 51, the magnetic attraction device can prevent the to-be-ejected machine body 5 from being separated from the ejection carrier 4 in advance during the sliding process. It is easy to understand that the magnetic attraction device can also be configured to lose the attraction force when the ejection carrier 4 slides to the second end of the ejection guide rail 1, for example, the magnetic attraction device is arranged as an electromagnetic attraction device based on an electromagnet, and is powered off when it is detected that the ejection carrier 4 slides to the second end of the ejection guide rail 1, so that the electromagnetic attraction force is lost, to further ensure the ejection effect of the to-be-ejected machine body 5.
[0027] Further, the ejection assembly further comprises a pyrotechnic ejection device, the pyrotechnic ejection device is arranged on the ejection carrier 4, and the pyrotechnic ejection device is used for providing a propulsive force for the to-be-ejected machine body 5 when the ejection carrier 4 slides to the second end of the ejection rail 1. Specifically, in the embodiment, the pyrotechnic ejection device further comprises a pyrotechnic controller and a pyrotechnic product, the pyrotechnic product is arranged on the to-be-ejected machine body 5, the pyrotechnic controller is used for detecting whether the ejection carrier 4 abuts against the second limiting portion 13, and the pyrotechnic product is triggered when it is detected that the ejection carrier 4 abuts against the second limiting portion 13, so as to provide a propulsive force for the to-be-ejected machine body 5. The pyrotechnic product arranged on the to-be-ejected machine body 5 adds a propulsive force when the to-be-ejected machine body 5 is ejected, and explosion and combustion of the pyrotechnic product do not affect the reusable ejection carrier 4.
[0028] In summary, the ejection assembly of the utility model ejects the to-be-ejected machine body through the first ejection device for providing mechanical energy and the second ejection device for providing gas lubrication, so that the ejection system has a better ejection effect, in addition, the utility model also realizes repeated use of the ejection system through the ejection carrier that can slide on the ejection rail, after ejecting one to-be-ejected machine body, the ejection carrier is reset, and a new to-be-ejected machine body can be loaded again, so that the ejection system has the ability of quickly and continuously ejecting multiple to-be-ejected machine bodies in a limited space.
[0029] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of claims.
Claims
1. A catapult assembly, characterized in that: The system includes a catapult rail (1), a first catapult device (2), and a catapult carrier (4). The catapult rail (1) includes a first end and a second end opposite to the first end. The catapult carrier (4) is used to load the body (5) to be catapulted. The catapult carrier (4) can slide between the first end and the second end of the catapult rail (1). The first catapult device (2) is disposed at the first end of the catapult rail (1). The first catapult device (2) can drive the catapult carrier (4) to slide from the first end of the catapult rail (1) to the second end of the catapult rail (1) by elastic force. The catapult carrier (4) can release the body (5) to be catapulted when it slides to the second end of the catapult rail (1).
2. The ejection assembly as described in claim 1, characterized in that: The ejection guide rail (1) includes a guide rail body (11), a first limiting part (12) and a second limiting part (13). The first limiting part (12) is located at the first end of the ejection guide rail (1), and the second limiting part (13) is located at the second end of the ejection guide rail (1). The first limiting part (12) and the second limiting part (13) can respectively abut against the ejection carrier (4) to prevent the ejection carrier (4) from detaching from the corresponding end of the guide rail body (11).
3. The ejection assembly as described in claim 2, characterized in that: The first ejection device (2) includes a spring part (21) and a guide ring (222). The spring part (21) and the guide ring (222) are disposed in the ejection guide rail (1). The first end of the spring part (21) is fixedly connected to the first limiting part (12). A part of the ejection carrier (4) can pass through the guide ring (222) and abut against the second end of the spring part (21).
4. The ejection assembly as described in claim 2, characterized in that: The ejection assembly also includes a locking device (6), which is disposed between the ejection carrier (4) and the first ejection device (2) for locking the ejection carrier (4) at a set position on the first ejection device (2) or unlocking the ejection carrier (4) from the first ejection device (2).
5. The ejection assembly as described in claim 4, characterized in that: The locking device (6) includes a relay, an electromagnetic lock body, and an electromagnetic lock core. The relay is used to control the electromagnetic lock body. The electromagnetic lock body is located in one of the ejector carrier (4) and the first ejector device (2). The electromagnetic lock core is located in the other of the ejector carrier (4) and the first ejector device (2). The electromagnetic lock core can attract the electromagnetic lock body to lock the ejector carrier (4) to the first ejector device (2).
6. The ejection assembly as described in claim 2, characterized in that: It also includes a second ejection device for forming gas lubrication between the ejection guide rail (1) and the ejection carrier (4).
7. The ejection assembly as described in claim 6, characterized in that: The second ejection device includes an air jet device connected to an air pressure hole on the ejection guide rail (1). The air jet device sprays air between the ejection guide rail (1) and the ejection carrier (4) through the air pressure hole to form gas lubrication between the guide rail body (11) and the ejection carrier (4).
8. The ejection assembly as described in claim 2, characterized in that: The ejection carrier (4) includes a loading guide rail (41) and a main body (42). The loading guide rail (41) is located on the top of the main body (42) and is used to load the ejection body (5). The main body (42) can slide relative to the guide rail body (11) and can abut against the first ejection device (2). The main body (42) is provided with a magnetic suction device for adsorbing the ejection body (5).
9. The ejection assembly as described in claim 8, characterized in that: The main body (42) is also provided with a baffle (43), which protrudes above the main body (42) and can abut against the ejector body (5) to prevent the ejector body (5) from coming off along the length of the loading guide rail (41).
10. The ejection assembly as claimed in claim 1, characterized in that: It also includes a pyrotechnic catapult device, which provides thrust to the body (5) to be launched when the catapult carrier (4) slides to the second end of the catapult guide rail (1).