CN111907706B - Electromagnetic drive's black box throws and puts separating mechanism - Google Patents

Electromagnetic drive's black box throws and puts separating mechanism Download PDF

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Publication number
CN111907706B
CN111907706B CN202010544989.8A CN202010544989A CN111907706B CN 111907706 B CN111907706 B CN 111907706B CN 202010544989 A CN202010544989 A CN 202010544989A CN 111907706 B CN111907706 B CN 111907706B
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China
Prior art keywords
disc spring
black box
swing rod
adapter
guide post
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CN202010544989.8A
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CN111907706A (en
Inventor
杨飞
岳洪浩
马超
刘飞
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/02Dropping, ejecting, or releasing articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00Aircraft indicators or protectors not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00Aircraft indicators or protectors not otherwise provided for
    • B64D2045/0065Black boxes, devices automatically broadcasting distress signals

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

The invention provides an electromagnetic-driven black box throwing and separating mechanism which comprises an ejection assembly and actuating assemblies, wherein the ejection assembly and the actuating assemblies are arranged on an adapter, the adapter is fixed on an airplane body, the ejection assembly is arranged at the center of the adapter, at least two groups of actuating assemblies are arranged and are uniformly arranged on the periphery of the adapter, and the actuating assemblies tightly press the periphery of a black box; the ejection assembly comprises a disc spring mounting seat, a limiting sleeve, a disc spring guide pillar and a disc spring, the actuation assembly comprises a direct-acting electromagnet, a connecting piece, a swing rod, an ejector rod and a rotating shaft, the direct-acting electromagnet is arranged outside the swing rod, the swing rod is T-shaped, the horizontal part of the swing rod comprises an inclined section and a horizontal section, the vertical part of the swing rod is mounted on the switching seat through the rotating shaft, the inclined section is matched with the inclined plane of the connecting piece, the horizontal section is in contact with the side face of the ejector rod, and when the direct-acting electromagnet extends out, the ejector rod limits swing of the swing rod. The black box is compact in structure, the black box is tightly pressed when the airplane flies safely, and the black box can be quickly and reliably thrown and ejected after the airplane loses affairs.

Description

Electromagnetic drive's black box throws and puts separating mechanism
Technical Field
The invention belongs to the technical field of aviation, and particularly relates to an electromagnetic-driven black box throwing and separating mechanism.
Background
The invention provides an electromagnetic driving type throwing and separating mechanism which is simple in structure, small in installation space, long in storage life, high in safety and insensitive to environmental humidity, and can improve the throwing reliability.
Disclosure of Invention
In view of the above, the present invention is directed to an electromagnetically driven black box ejecting and separating mechanism, which is installed on a body of an aircraft, and is configured to compress a black box during a safe flight of the aircraft, and to drive an unlocking mechanism under an instruction when the aircraft is lost, and to eject the black box so as to separate the black box from an aircraft body in advance.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an electromagnetically-driven black box throwing and separating mechanism comprises an ejection assembly and actuating assemblies, wherein the ejection assembly and the actuating assemblies are arranged on an adapter, the adapter is fixed on an airplane body, the ejection assembly is arranged at the center of the adapter, at least two groups of actuating assemblies are arranged and are uniformly arranged on the periphery of the adapter, and the actuating assemblies are arranged on the periphery of a black box;
the ejection assembly comprises a disc spring mounting seat, a limiting sleeve, a disc spring guide pillar and a disc spring, the disc spring mounting seat is fixed on the adapter, the disc spring mounting seat is of a sleeve structure, a limiting shoulder is fixedly arranged on the upper portion of the inner wall of the disc spring mounting seat, the limiting sleeve is arranged in the disc spring mounting seat in a sliding mode and located below the limiting shoulder, the limiting shoulder limits axial displacement of the limiting sleeve, the middle lower portion of the disc spring guide pillar extends into an inner cavity of the disc spring mounting seat, the bottom end of the disc spring guide pillar is fixedly connected with the limiting sleeve, and the top end of the disc spring guide pillar abuts against the bottom end of the black box;
the disc spring is sleeved on the disc spring guide post, the lower end of the disc spring abuts against the limiting shoulder, the upper end of the disc spring abuts against the upper end of the disc spring guide post, the disc spring is in a compressed state in the flight process of the airplane, and a gap is reserved between the limiting sleeve and the limiting shoulder;
each it all includes direct-acting electromagnet, connecting piece, pendulum rod, ejector pin and pivot to actuate the subassembly, direct-acting electromagnet sets up the outside at the pendulum rod, the pendulum rod is the T style of calligraphy, and the horizontal part of the pendulum rod of T style of calligraphy includes slope section and horizontal segment, and the vertical part of the pendulum rod of T style of calligraphy is installed on the adapter through the pivot, the slope section cooperates with the inclined plane contact of connecting piece, the side contact of horizontal segment and ejector pin, the ejector pin is fixed on the execution of the direct-acting electromagnet of vertical setting is served, and when direct-acting electromagnet kept the stretching out state, the ejector pin restriction pendulum rod swing, the connecting piece is installed on the black box.
Further, the connecting piece includes connecting plate and bending plate, the bending plate setting is in the bottom of connecting plate, and the opening of bending plate arranges towards the pendulum rod, and bending plate upper portion is straight board, and the lower part is the swash plate, and the swash plate of lower part cooperates with the lower surface of the slope section of pendulum rod.
Furthermore, the ejector rod is guided and limited by the side wall of the adapter.
Furthermore, the included angle between the inclined plane and the vertical plane of the connecting piece, which is in contact with the swing rod, is 60-80 degrees.
Furthermore, the contact surface of the horizontal section and the side surface of the ejector rod is an arc surface.
Further, the top of the inclined section is flush with the top of the horizontal section, and the bottom of the inclined section is lower than the bottom of the horizontal section.
Further, dish spring guide pillar is including accepting board and guide post, it sets up on the top of guide post to accept the board, dish spring upper end is supported and is being accepted the lower surface of board.
Further, a lubricating layer is coated at the contact position of the ejector rod and the T-shaped swing rod.
Compared with the prior art, the electromagnetic-driven black box throwing and separating mechanism has the following advantages:
1) the invention utilizes electromagnet to drive, is easier to store than the existing initiating explosive device, has small sensitivity to the environmental humidity and high safety and reliability;
2) the layout of each component is compact, the mechanism volume is small, the installation space is small, and the black box mechanism is suitable for black boxes of different models;
3) the ejection device is arranged at the central position by utilizing the group of ejection assemblies, so that the ejection attitude is ensured;
4) the invention utilizes the lever to transmit force, and a lubricating layer is additionally coated between the ejector rod and the T-shaped swing rod, so that the electromagnet can complete the unlocking of the mechanism under the condition of small driving force.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an electromagnetically driven black box throwing and separating mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the ejection assembly and the actuating assembly.
Description of reference numerals:
the device comprises a 1-ejection assembly, a 1-1-disc spring mounting seat, a 1-2-limiting sleeve, a 1-3-disc spring guide post, a 1-4-disc spring, a 1-5-limiting shoulder, a 2-actuating assembly, a 2-1-direct-acting electromagnet, a 2-2-connecting piece, a 2-3-oscillating bar, a 2-4-ejector rod, a 2-5-rotating shaft, a 3-adapter and a 4-black box.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-2, an electromagnetically-driven black box throwing and separating mechanism includes an ejection assembly 1 and an actuating assembly 2, which are disposed on an adapter 3, the adapter 3 is fixed on an airplane body, the ejection assembly 1 is disposed at the center of the adapter 3, the actuating assemblies 2 are disposed in at least two groups and are uniformly arranged around the adapter, and the actuating assemblies are disposed at the periphery of a black box 4;
the ejection component 1 comprises a disc spring mounting seat 1-1, a limiting sleeve 1-2, a disc spring guide post 1-3 and a disc spring 1-4, the disc spring mounting seat 1-1 is fixed on the adapter 3, the disc spring mounting seat 1-1 is of a sleeve structure, and the upper part of the inner wall of the disc spring mounting seat 1-1 is fixedly provided with a limiting shoulder 1-5, the limiting sleeve 1-2 is arranged in the disc spring mounting seat 1-1 in a sliding manner, and is positioned below the limiting shoulder 1-5, the limiting shoulder 1-5 limits the axial displacement of the limiting sleeve 1-2, the middle lower part of the disc spring guide post 1-3 extends into the inner cavity of the disc spring mounting seat 1-1, the bottom end of the disc spring guide post 1-3 is fixedly connected with the limiting sleeve 1-2, and the top end of the disc spring guide post 1-3 is abutted against the bottom end of the black box 4;
the disc spring 1-4 is sleeved on the disc spring guide post 1-3, the lower end of the disc spring 1-4 abuts against the limiting shoulder 1-5, the upper end of the disc spring guide post 1-3, the disc spring 1-4 is in a compressed state in the flight process of the airplane, and a gap is reserved between the limiting sleeve 1-2 and the limiting shoulder 1-5;
each actuating component 2 comprises a direct-acting electromagnet 2-1, a connecting piece 2-2, a swinging rod 2-3, a top rod 2-4 and a rotating shaft 2-5, the direct-acting electromagnet 2-1 is arranged on the outer side of the swinging rod 2-3, the swinging rod is T-shaped, the horizontal part of the T-shaped swinging rod comprises an inclined section and a horizontal section, the vertical part of the T-shaped swinging rod is arranged on the adapter through the rotating shaft 2-5, the inclined section is in contact fit with the inclined surface of the connecting piece 2-2, the horizontal section is in contact with the side surface of the top rod 2-4, the top rod 2-4 is fixed on the executing end of the vertically arranged direct-acting electromagnet 2-1, and when the direct-acting electromagnet 2-1 keeps an extending state, the top rod 2-4 limits the swinging of the swinging rod 2-3, the connecting piece 2-2 is arranged on the black box 4.
The connecting piece 2-2 comprises a connecting plate and a bending plate, the bending plate is arranged at the bottom of the connecting plate, an opening of the bending plate is arranged towards the swing rod, the upper part of the bending plate is a straight plate, the lower part of the bending plate is an inclined plate, and the inclined plate at the lower part of the bending plate is matched with the lower surface of the inclined section of the swing rod 2-3.
The ejector rod 2-4 is guided and limited by the side wall of the adapter 3, so that the linear motion of the ejector rod 2-4 driven by the direct-acting electromagnet 2-1 is ensured, and the horizontal section of the oscillating rod 2-3 can be better supported and limited.
The included angle between the inclined plane and the vertical plane of the connecting piece 2-2 contacted with the swing rod 2-3 is 60-80 degrees, and the vertical distance from the inclined plane to the rotating shaft can be reduced, namely the arm of force is reduced. The top end of the inclined section is flush with the top end of the horizontal section, the bottom end of the inclined section is lower than the bottom end of the horizontal section, the pressing force arm is arranged to be shorter than the unlocking force arm in length, so that the pressing force on the black box 4 is large, and meanwhile, small unlocking force is needed, namely, the swing rod 2-3 in the structure has small unlocking driving force on the unlocking end of the direct-acting electromagnet 2-1 and large pressing force on the black box, and the black box can be well pressed on the ejection assembly 1 when not being ejected.
The contact surface of the horizontal section and the side surface of the ejector rod 2-4 is an arc surface which is in contact with each other, so that clamping stagnation is prevented.
The contact length of the connecting piece 2-2 and the swing rod 2-3 is 2-4mm, and the separation distance can be reduced by a shorter contact distance.
The disc spring guide post 1-3 comprises a bearing plate and a guide post, the bearing plate is arranged at the top end of the guide post, and the upper end of the disc spring 1-4 abuts against the lower surface of the bearing plate.
And a lubricating layer is coated at the contact part of the ejector rod 2-4 and the T-shaped swing rod, so that the direct-acting electromagnet 2-1 can unlock the mechanism under small driving force.
The working process of the electromagnetic drive black box throwing and separating mechanism comprises the following steps:
when the airplane normally flies, the black box 4 is in a locking state, namely, the direct-acting electromagnet 2-1 keeps an extending state, the ejector rod 2-4 limits the swing of the swing rod 2-3, the connecting plate of the connecting piece 2-2 is arranged on the black box 4, the inclined plane of the bending plate of the connecting piece 2-2 is matched with the inclined plane of the swing rod 2-3, the black box 4 is locked through the contact of the inclined plane sections of the swing rods 2-3 of the actuating assemblies 2 and the inclined plane of the connecting piece 2-2, and the disc spring 1-4 positioned in the middle of the adapter 3 is in a compression state.
After the airplane loses an incident, when the airplane receives a throwing separation signal, the linear electromagnet 2-1 is electrified and retracted to drive the ejector rod 2-4 to retract, the restraint on the horizontal section of the swing rod 2-3 is removed, the disc spring guide post 1-3 moves upwards under the action of the elastic force of the disc spring 1-4, the disc spring guide post 1-3 drives the limiting sleeve 1-2 to synchronously move upwards, when the top of the limiting sleeve 1-2 contacts the limiting shoulder 1-5, the limiting sleeve 1-2 is limited, the disc spring guide post 1-3 is limited, the black box 4 continues to be thrown under the action of inertia, the swing rod 2-3 passively rotates to complete the ejecting action, the black box 4 is ejected, and the black box 4 drives the connecting piece 2-2 to synchronously separate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides an electromagnetic drive's black box throws separating mechanism which characterized in that: the ejection mechanism comprises an ejection assembly (1) and an actuating assembly (2) which are arranged on an adapter (3), wherein the adapter (3) is fixed on an airplane body, the ejection assembly (1) is arranged at the center of the adapter (3), the actuating assemblies (2) are at least arranged in two groups and are uniformly arranged on the periphery of the adapter, and the actuating assemblies are arranged on the periphery of a black box (4);
the ejection assembly (1) comprises a disc spring mounting seat (1-1), a limiting sleeve (1-2), a disc spring guide post (1-3) and a disc spring (1-4), the disc spring mounting seat (1-1) is fixed on the adapter (3), the disc spring mounting seat (1-1) is of a sleeve structure, a limiting shoulder (1-5) is fixedly arranged on the upper portion of the inner wall of the disc spring mounting seat (1-1), the limiting sleeve (1-2) is arranged in the disc spring mounting seat (1-1) in a sliding mode and located below the limiting shoulder (1-5), the limiting shoulder (1-5) limits axial displacement of the limiting sleeve (1-2), the middle lower portion of the disc spring guide post (1-3) extends into an inner cavity of the disc spring mounting seat (1-1), and the bottom end of the disc spring guide post (1-3) is fixedly connected with the limiting sleeve (1-2), the top end of the disc spring guide post (1-3) is propped against the bottom end of the black box (4);
the disc spring (1-4) is sleeved on the disc spring guide post (1-3), the lower end of the disc spring (1-4) abuts against the limiting shoulder (1-5), the upper end of the disc spring guide post (1-3) abuts against the upper end of the disc spring guide post, the disc spring (1-4) is in a compressed state in the flight process of an airplane, and a gap is reserved between the limiting sleeve (1-2) and the limiting shoulder (1-5);
each actuating component (2) comprises a direct-acting electromagnet (2-1), a connecting piece (2-2), a swing rod (2-3), a push rod (2-4) and a rotating shaft (2-5), the direct-acting electromagnet (2-1) is arranged on the outer side of the swing rod (2-3), the swing rod is T-shaped, the horizontal part of the T-shaped swing rod comprises an inclined section and a horizontal section, the vertical part of the T-shaped swing rod is arranged on the adapter through the rotating shaft (2-5), the inclined section is in contact fit with the inclined plane of the connecting piece (2-2), the horizontal section is in contact with the side face of the push rod (2-4), the push rod (2-4) is fixed on the executing end of the vertically arranged direct-acting electromagnet (2-1), and when the direct-acting electromagnet (2-1) keeps an extending state, the ejector rod (2-4) limits the swing rod (2-3) to swing, and the connecting piece (2-2) is arranged on the black box (4).
2. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 1, wherein: the connecting piece (2-2) comprises a connecting plate and a bending plate, the bending plate is arranged at the bottom of the connecting plate, an opening of the bending plate is arranged towards the swing rod, the upper part of the bending plate is a straight plate, the lower part of the bending plate is an inclined plate, and the inclined plate at the lower part of the bending plate is matched with the lower surface of the inclined section of the swing rod (2-3).
3. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 1, wherein: the ejector rod (2-4) is guided and limited by the side wall of the adapter (3).
4. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 2, wherein: the inclined plane and the vertical plane of the connecting piece (2-2) contacted with the swing rod (2-3) form an included angle of 60-80 degrees.
5. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 1, wherein: the contact surface of the horizontal section and the side surface of the ejector rod (2-4) is an arc surface.
6. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 5, wherein: the top of slope section and the top parallel and level of horizontal segment, the bottom of slope section is less than the bottom of horizontal segment arranges.
7. An electromagnetically driven black box ejecting and separating mechanism as claimed in claim 1, wherein: the disc spring guide post (1-3) comprises a bearing plate and a guide post, the bearing plate is arranged at the top end of the guide post, and the upper end of the disc spring (1-4) abuts against the lower surface of the bearing plate.
8. An electromagnetically driven black box throwing and separating mechanism as claimed in any one of claims 1 to 7, wherein: and a lubricating layer is coated at the contact part of the ejector rod (2-4) and the T-shaped swing rod.
CN202010544989.8A 2020-06-15 2020-06-15 Electromagnetic drive's black box throws and puts separating mechanism Active CN111907706B (en)

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CN111907706B true CN111907706B (en) 2021-09-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114199788A (en) * 2021-12-09 2022-03-18 中科计算技术西部研究院 Multispectral-based pest and disease detection and identification method, system and storage medium
CN114537668B (en) * 2022-04-26 2022-09-09 成都凯天电子股份有限公司 Locking and ejecting mechanism of throwing type flight parameter recorder and control method thereof

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Publication number Priority date Publication date Assignee Title
GB1318197A (en) * 1969-10-16 1973-05-23 Steele J Ejection apparatus for buoyant flight data recorders
CN106167097A (en) * 2016-08-30 2016-11-30 陕西千山航空电子有限责任公司 Recorder catapult technique is put in a kind of airborne throwing
CN106467172B (en) * 2016-08-31 2019-08-02 陕西千山航空电子有限责任公司 Separating mechanism control unit is put in a kind of throwing
WO2018041253A1 (en) * 2016-09-01 2018-03-08 梁泰然 Black box control method and system
CN106314796A (en) * 2016-09-01 2017-01-11 肇庆高新区异星科技有限公司 Ejection device
US20180111686A1 (en) * 2016-10-22 2018-04-26 Kathy Nixon Ejection protection black box system and method
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