CN113911361B

CN113911361B - Double-hanging-point parallel large-span store hanging and throwing device

Info

Publication number: CN113911361B
Application number: CN202111069416.5A
Authority: CN
Inventors: 周栋; 白浩雨; 范宇; 纪学; 胡磊
Original assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Current assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2024-01-30
Anticipated expiration: 2041-09-13
Also published as: CN113911361A

Abstract

The application belongs to the field of aircraft suspension design, and particularly relates to a double-hanging-point parallel large-span store suspension and release device. The device comprises a framework, the framework comprises a front end and a rear end, the front end and the rear end are connected through a central beam (4), side beams (3) and end frames (1), the front end and the rear end are in pneumatic rectification design, the central beam (4) is connected to the front end and the middle of the rear end, two hanging points are arranged in the middle of the rear end and are arranged along the length direction, the distance between the two hanging points is configured to be used for hanging two endpoints of at least two meters apart from an airplane model, the side beams (3) are arranged on two sides of the central beam (4), the end frames (1) are arranged on two sides of the framework and are provided with interfaces, and the interfaces are connected in an adaptive mode. The suspension and throwing device for the double-hanging-point parallel-connection large-span stores meets the requirements of hanging and throwing test flight of the scaling model, and improves the mounting stability.

Description

Double-hanging-point parallel large-span store hanging and throwing device

Technical Field

The application belongs to the field of aircraft suspension design, and particularly relates to a double-hanging-point parallel large-span store suspension and release device.

Background

The development of a new generation of aircrafts generally needs to carry out verification work in the aspects of key aerodynamic layout, flight control technology and the like, and the new generation of aircrafts are widely applied as a supplementary technical means for wind tunnel tests and CFD simulation calculation by adopting a scaling model for trial flight. Foreign X-43A verifies hypersonic aerodynamics and propulsion system performance through rocket boosting after hanging and separating a B-52 aircraft.

The external hanging points of the existing carrier at home are mainly used for hanging missiles and cabins, compared with overseas scaled aircrafts, the weight and heading size (length direction) of the single hanging point can meet the requirements of a hanging verification machine, but the spanwise size of the scaled model aircraft generally spans two hanging points. Meanwhile, the scaling model is usually in an unconventional pneumatic layout, and compared with cylindrical external weapons such as missiles, the scaling model has the advantages of changeable cross section shape, complex pneumatic characteristics and instability in single external hanging point hanging, so that parallel hanging of two hanging points is needed to increase the size in the width direction.

Disclosure of Invention

In order to solve the problems, the application provides a double-hanging-point parallel large-span store hanging and throwing device which can be directly used for hanging and throwing test flights of a scaling model.

This parallelly connected large-span stores of double-hanging point hangs and puts in device, which comprises a frame, the skeleton includes front end and rear end, the front end with the rear end is connected through central beam, curb girder and end frame, the front end with the rear end adopts pneumatic rectification design, the central beam connect in the front end with department in the middle of the rear end, and have two hanging points along length direction, and the distance between two hanging points is configured to be used for carrying the two extreme points more than two meters of interval of shrink ratio aircraft model, and the curb girder sets up in the central beam both sides, and the end frame sets up the both sides of skeleton, has the interface on it, and the adaptation is connected and is carried the machine interface.

Preferably, the skeleton is formed by integral casting of an aluminum alloy.

Preferably, a front fairing is arranged at the front end of the framework, and a rear fairing is arranged at the rear end of the framework.

Preferably, each hanging point of the central beam comprises a mounting groove, and a mounting hole is formed in the mounting groove and is connected with the hanging spring hook in an adapting mode.

Preferably, the groove wall of the mounting groove is set as a reinforced wall plate of the mounting groove.

Preferably, a joint is arranged between the end frame and the carrier interface, the joint is detachably mounted on the end frame, a carrier docking hole is arranged on the joint, the end frame is further provided with an installation maintenance opening leading to the joint, and the installation maintenance opening is opened and closed through a flap.

Preferably, the front end and/or the rear end of the framework is/are provided with an image pickup system mounting hole.

Preferably, the camera system mounting aperture has a removable flap.

Preferably, the front, rear and/or side beams of the skeleton have cable access holes.

Preferably, the side beam is detachably provided with a stop anti-swing mechanical interface, and the tail end of the stop anti-swing mechanical interface extends towards the direction of the suspended object and can be abutted and fixed with the suspended object.

The parallel suspension throwing device has the following advantages and effects:

a) Multiple scale aircraft compatibility

The butt joint design of the parallel suspension throwing device can realize various scaled aircrafts compatible with the hanging weight of no more than 500Kg and different pneumatic layouts by adopting the GJB1C-2006 unified interface standard. The scaled aircraft for preliminary study in China is generally below 500Kg at present, so that the invention can meet the requirements.

b) The duty cycle of the effective flight time of the scaled aircraft at the mission is increased.

After the parallel suspension throwing device hangs the scaled aircraft, the scaled aircraft can be directly hung to a corresponding flying height layer by the carrier, the scaled aircraft can be carried out after safe throwing and separation, the take-off and climbing time of the verification aircraft is saved, and the test flight risk caused by the failure of a finished product when the scaled aircraft climbs is reduced.

c) The actual flight image of the verification machine is provided, and the flight test progress of the scaled aircraft is accelerated.

The parallel suspension throwing device can record the image of the actual flight of the verifier in the air, and provide effective support for test flight test data analysis, so that the test flight progress of the aircraft can be scaled.

The suspension and throwing device for the double-hanging-point parallel-connection large-span stores meets the requirements of hanging and throwing test flight of the scaling model, and improves the mounting stability.

Drawings

FIG. 1 is a schematic diagram of a dual-hanging-point parallel large-span store hanging and releasing device.

Fig. 2 is a schematic view of a hook mounting slot of the embodiment of fig. 1 of the present application.

Fig. 3 is a schematic view of the configuration of the camera system mounting slot according to the embodiment shown in fig. 1 of the present application.

Fig. 4 is a schematic view of a carrier mounting interface of the embodiment of fig. 1 of the present application.

Fig. 5 is a schematic view of a stop anti-sway mounting of the embodiment of fig. 1 of the present application.

The device comprises a 1-end frame, a 11-carrier docking hole, a 12-installation maintenance opening, a 13-connector, a 2-front fairing, a 21-camera system mounting hole, a 22-cable wire passing hole, a 3-side beam, a 31-stop anti-swing mechanical interface, a 4-center beam, a 41-mounting hole, a 42-mounting groove, a 43-mounting groove reinforcement wallboard and a 5-rear fairing.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the following describes the technical solutions in the embodiments of the present application in more detail with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The utility model provides a brand-new design of double-hanging-point parallel large-span suspension throwing device combines the current carrier condition in China, adopts and runs through the mark design. The upper interface connected with the carrier is an on-board through-mark interface, and the lower interface is compatible with the through-mark and non-through-mark interfaces. Through simulation calculation and corresponding static test, the requirements of the scaled model hanging with the spreading direction of no more than 6mm and 500Kg can be met.

As shown in fig. 1, the double-hanging-point parallel connection large-span hanging and throwing device comprises a framework, the framework comprises a front end and a rear end, the front end and the rear end are connected through a central beam 4, a side beam 3 and an end frame 1, the front end and the rear end adopt a pneumatic rectification design, the central beam 4 is connected to the front end and the middle of the rear end, two hanging points are arranged along the length direction, the distance between the two hanging points is configured to be used for hanging two endpoints which are more than two meters apart from an airplane model, the side beams 3 are arranged on two sides of the central beam 4, the end frame 1 is arranged on two sides of the framework, an interface is arranged on the two sides of the framework, and a loader interface is connected in an adaptive manner.

In some alternative embodiments, the framework 1 is integrally cast from an aluminum alloy.

In order to solve the connection between the two hanging points of the carrier, a bearing structure needs to be designed to span the two hanging points. Therefore, the invention designs an integrally cast aluminum alloy framework, and the geometric outline dimension is about 2600 multiplied by 1790 multiplied by 260 (mm). The geometric outline size is adjusted according to the width of different hanging points of the carrier.

In some alternative embodiments, the front end of the skeleton is provided with a front fairing 2 and the rear end of the skeleton is provided with a rear fairing 5. The front end and the rear end of the parallel suspension throwing device are both in pneumatic rectification design, so that the influence on the resistance of the carrier is reduced.

In some alternative embodiments, as shown in fig. 2, each hanging point of the central beam 4 includes a mounting groove 42, and the mounting groove 42 has a mounting hole 41 therein, and is adapted to be connected with a hook.

In the embodiment, the invention is designed according to 500Kg level, and the corresponding ejection hook is a standard product, so that a mechanical installation interface is reserved according to the installation requirement of the hook. The mounting groove design of the embodiment has adjustable capability, and the space size of the corresponding mounting groove can be changed according to specific geometric dimension requirements before casting.

In some alternative embodiments, the walls of the mounting slots 42 are configured as mounting slot stiffener panels 43 to increase structural load bearing capacity.

In some alternative embodiments, as shown in fig. 4, a joint 13 is provided between the end frame 1 and the carrier interface, the joint 13 is detachably mounted on the end frame 1, a carrier docking hole 11 is provided on the joint 13, the end frame 1 is further provided with a mounting maintenance opening 12 leading to the joint 13, and the mounting maintenance opening 12 is opened and closed by a flap. In this embodiment, 4 interfaces for connecting with the carrier are reserved on the parallel suspension throwing device body structure, and are used for realizing the installation with the carrier interfaces. Meanwhile, a butt joint maintenance port is reserved around the interface structure and used for installing and maintaining the parallel suspension throwing device.

The upper interface of the parallel suspension throwing device is designed according to the interface butt joint form of the carrier, and a detachable design scheme is adopted, so that the adjustment can be carried out according to the specific joint forms of different carrier hanging positions. In the embodiment, the upper interface of the parallel suspension throwing device and the carrier in butt joint meets the GJB1C-2006 requirement.

In some alternative embodiments, as shown in fig. 3, the front and/or rear ends of the skeleton have camera system mounting holes 21. In some alternative embodiments, the camera system mounting aperture 21 has a removable flap. In this embodiment, in order to meet the requirement of recording image data during delivery, two image capturing system mounting slots are left on the parallel suspension delivery device. If the imaging system is not required to be installed in the test flight, the hole is blocked so as to reduce the influence on the air.

In some alternative embodiments, the front, rear and/or side members 3 of the skeleton have cable vias 22. In this embodiment, the other longitudinal members of the body structure of the parallel suspension throwing device are provided with lightening holes, which are used as cable arrangement passages and gas passage passages.

In some alternative embodiments, the side beam 3 is detachably provided with a stop anti-swing mechanical interface 31, and the tail end of the stop anti-swing mechanical interface 31 extends towards the direction of the suspended object and can be abutted and fixed with the suspended object.

In this embodiment, if the suspended object of the parallel suspension delivery device has a stop anti-swing requirement, a stop anti-swing mechanism can be added as required. The parallel suspension units have left an installation position.

a) Various scaled aircraft are compatible.

While the application has been described in detail with respect to the general description and the specific embodiments thereof, it will be apparent to those skilled in the art that certain modifications and improvements can be made thereto based upon the application. Accordingly, such modifications or improvements may be made without departing from the spirit of the application and are intended to be within the scope of the invention as claimed.

Claims

1. The double-hanging-point parallel large-span hanging throwing device is characterized by comprising a framework, wherein the framework comprises a front end and a rear end, the front end and the rear end are connected through a central beam (4), side beams (3) and end frames (1), the front end and the rear end adopt pneumatic rectification design, the central beam (4) is connected to the middle of the front end and the rear end and is provided with two hanging points along the length direction, the distance between the two hanging points is configured to be used for mounting two end points which are more than at least two meters apart from an airplane model, the side beams (3) are arranged on two sides of the central beam (4), and the end frames (1) are arranged on two sides of the framework and are provided with interfaces which are adapted to be connected with a loader interface;

the end frame (1) is provided with a connector (13) between the end frame (1) and the carrier interface, the connector (13) is detachably mounted on the end frame (1), the connector (13) is provided with a carrier butt joint hole (11), the end frame (1) is further provided with an installation maintenance opening (12) leading to the connector (13), and the installation maintenance opening (12) is opened and closed through a cover.

2. Double-hanging-point parallel large-span store hanging and throwing device according to claim 1, characterized in that the skeleton (1) is integrally cast by aluminium alloy.

3. The double-hanging-point parallel large-span stores hanging and throwing device according to claim 1, wherein a front fairing (2) is arranged at the front end of the framework, and a rear fairing (5) is arranged at the rear end of the framework.

4. Double-hanging-point parallel large-span store hanging and throwing device according to claim 1, characterized in that each hanging point of the central beam (4) comprises a mounting groove (42), the mounting groove (42) is internally provided with a mounting hole (41) which is adapted to be connected with a hanging spring hook.

5. Double-hanging-point parallel large-span store hanging and releasing device as claimed in claim 4 characterized in that the wall of the mounting groove (42) is provided as a mounting groove reinforced wall plate (43).

6. Double-hanging-point parallel large-span store hanging and throwing device according to claim 1, characterized in that the front end and/or the rear end of the skeleton is provided with an imaging system mounting hole (21).

7. Double-hanging-point parallel large-span store hanging and releasing device according to claim 6 characterized in that the camera system mounting hole (21) is provided with a detachable cover.

8. Double-hanging-point parallel large-span store hanging launch device according to claim 1, characterized in that the front, rear and/or side beams (3) of the skeleton have cable-through holes (22).

9. Double-hanging-point parallel large-span store hanging throwing device according to claim 1, characterized in that the side beams (3) are detachably provided with stop anti-swing mechanical interfaces (31), and the tail ends of the stop anti-swing mechanical interfaces (31) extend towards the direction of the suspended object and can be abutted and fixed with the suspended object.