CN214566129U

CN214566129U - Passenger plane nose landing gear turning round pin subassembly

Info

Publication number: CN214566129U
Application number: CN202120535651.6U
Authority: CN
Inventors: 张锐; 刘波
Original assignee: HNA Aviation Technic Co Ltd
Current assignee: HNA Aviation Technic Co Ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-02
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a passenger plane nose landing gear turning round pin subassembly, includes that a biax articulates the seat, articulates at the first connecting piece of this biax articulated seat one end, articulates the second connecting piece at the biax articulated seat other end, and a B737 type passenger plane nose landing gear turning round pin of first connecting piece fixed connection, a A320 type passenger plane nose landing gear turning round pin of second connecting piece fixed connection. The double-shaft hinge seat comprises a multifunctional plate, a first hinge cylinder and a second hinge cylinder which are fixed on one side of the multifunctional plate at intervals side by side, and a third hinge cylinder and a fourth hinge cylinder which are fixed on the other side of the multifunctional plate at intervals side by side. The front end of the multifunctional plate is provided with a lighting device; a positioning module is arranged in the center of the multifunctional plate; the rear end of the multifunctional plate is provided with a warning ribbon hanging hole. The utility model discloses be in the same place the round pin combination of the turn of two kinds of different models, convenient to use, can fix a position, easily distinguish and be difficult for taking by mistake.

Description

Passenger plane nose landing gear turning round pin subassembly

Technical Field

The utility model relates to a passenger plane turn round pin improves technical field, especially relates to a passenger plane nose landing gear turn round pin subassembly.

Background

The turning pin is a plug inserted in the hydraulic system of the front landing gear of the passenger plane, and can control the turning action of the wheels on the landing gear of the passenger plane. Specifically, after a steering pin is inserted, the steering hydraulic power of wheels on the nose landing gear can be cut off, so that a steering hydraulic system fails, and the front wheels of the airplane can only move forwards and can not turn. Usually, the turning pin needs to be inserted during maintenance, the turning pin needs to be pulled out before the passenger plane is pulled by a tractor, the turning pin needs to be pulled out before the passenger plane takes off, and a ground commander needs to show the pulled-out turning pin and a warning streamer on the turning pin to a pilot on the passenger plane through sign language, so that the passenger plane can take off normally.

At present, the highest use rate of a marine aviation airline is the turning pin of a B737 type passenger plane and an A320 passenger plane, as shown in the attached

drawings

1 and 2, and FIG. 1 is a structural schematic diagram of the turning pin of a nose landing gear of the B737 type passenger plane; fig. 2 is a schematic structural diagram of a nose landing gear turning pin of an a320 passenger plane, both turning pins are OEM original parts with inner barrel and lock ball configurations, but have different sizes and are independent of each other, and the following disadvantages are caused in frequent cross use:

1. if the turning pin is taken by mistake in the process of sending the airplane by the air route, the process of changing back and forth can cause time delay, and the work is passive;

2. warning ribbons placed on two types of turning pins in a machine tool bag are easy to mutually wind, when one turning pin is taken out, the other turning pin can be taken out by a little carelessness and is easy to lose, so that the problem of flight safety is influenced, and meanwhile, the tool cost is increased due to large tool loss;

3. if the two pins are bound together for use, only one flight can be guaranteed at a time, and the flight guarantee efficiency is reduced;

and 4, the original OEM factory turning pin and accessories have high purchase cost and long purchase period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming among the prior art and not enough, provide a passenger plane nose landing gear round pin subassembly that turns, it is in the same place the round pin combination of turning of two kinds of different models, convenient to use, can fix a position, easily distinguish and be difficult for taking by mistake.

In order to achieve the purpose, the scheme is realized by the following technical scheme:

a nose landing gear turning pin assembly of a passenger plane comprises a double-shaft hinge base, a first connecting piece and a second connecting piece, wherein the first connecting piece is hinged to one end of the double-shaft hinge base, the second connecting piece is hinged to the other end of the double-shaft hinge base, the first connecting piece is fixedly connected with a B737 type nose landing gear turning pin of the passenger plane, and the second connecting piece is fixedly connected with an A320 type nose landing gear turning pin of the passenger plane. The double-shaft hinge seat comprises a multifunctional plate, a first hinge cylinder and a second hinge cylinder which are fixed on one side of the multifunctional plate side by side at intervals, and a third hinge cylinder and a fourth hinge cylinder which are fixed on the other side of the multifunctional plate side by side at intervals.

Furthermore, a lighting device is arranged at the front end of the multifunctional plate; a positioning module is arranged in the center of the multifunctional plate; the rear end of the multifunctional plate is provided with a warning ribbon hanging hole.

Furthermore, a first rotating shaft is arranged in the first hinge cylinder and the second hinge cylinder, and the first connecting piece is hinged between the first hinge cylinder and the second hinge cylinder through the first rotating shaft; and a second rotating shaft is arranged in the third hinged cylinder and the fourth hinged cylinder, and the second connecting piece is hinged between the third hinged cylinder and the fourth hinged cylinder through the second rotating shaft.

Further, the B737 type passenger plane nose landing gear turning pin and the A320 type passenger plane nose landing gear turning pin both comprise a handle part and a bolt part fixedly connected with the handle part; a first fluorescent skin is arranged on a handle part of a steering pin of a nose landing gear of the B737 type passenger plane; and a second fluorescent skin is arranged on the handle part of the nose landing gear turning pin of the A320 type passenger plane.

Furthermore, a positioning terminal is arranged in the positioning module and comprises a positioning chip and an SIM card.

Further, the lighting device comprises a lighting cylinder and a lighting head screwed with the lighting cylinder; a power supply battery is arranged in the illumination cylinder, and an illumination switch is arranged on the outer wall of the illumination cylinder; the illuminating head is detachably arranged, and lamp beads and a horn-shaped light gathering plate are arranged in the illuminating head.

Furthermore, a power supply battery of the lighting device is electrically connected with the positioning module.

Preferably, the first fluorescent skin is a green-emitting fluorescent skin, and the second fluorescent skin is a yellow-emitting fluorescent skin.

Preferably, the multifunctional plate, the first hinge cylinder, the second hinge cylinder, the third hinge cylinder and the fourth hinge cylinder are integrally arranged, and the first hinge cylinder, the second hinge cylinder, the third hinge cylinder and the fourth hinge cylinder are symmetrically arranged at two sides of the multifunctional plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the original B737 type passenger plane nose landing gear turning pin and the A320 type passenger plane nose landing gear turning pin which are different in model and can be used independently are combined together through the double-shaft hinge seat, so that the turning pin is prevented from being taken by mistake in the using process;

2) fluorescent skins with different colors are respectively arranged on the two turning pins combined on the biaxial hinged seat, so that the turning pins with different types can be distinguished more easily in a low-illumination environment, and are not easy to take by mistake;

3) the double-shaft hinged seat is provided with the lighting device, so that the use is more convenient in work;

4) be provided with orientation module on the articulated seat of biax, effectively solve the turning round pin and easily lose, influence flight safety problem and the extravagant problem of instrument cost that leads to.

In order to make the present invention more clearly understood, preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic illustration of a nose gear kingpin for a passenger aircraft of the background art type B737;

FIG. 2 is a schematic illustration of a nose gear kingpin for a passenger aircraft of the background art type A320;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a reference diagram of the usage state of the present invention;

fig. 5 is an exploded view of the present invention;

fig. 6 and 7 are schematic structural views of the hinge seat of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 7, a nose landing gear turning pin assembly for a passenger plane includes a biaxial hinge base 1, a first connecting member 2 hinged to one end of the biaxial hinge base 1, and a second connecting member 3 hinged to the other end of the biaxial hinge base 1, where the first connecting member 2 is fixedly connected to a B737 type nose landing gear turning pin 4 of the passenger plane, and the second connecting member 3 is fixedly connected to an a320 type nose landing gear turning pin 5 of the passenger plane.

The double-shaft hinge seat 1 comprises a multifunctional plate 11, a first hinge cylinder 111 and a second hinge cylinder 112 which are fixed on one side of the multifunctional plate 11 side by side at intervals, and a third hinge cylinder 113 and a fourth hinge cylinder 114 which are fixed on the other side of the multifunctional plate 11 side by side at intervals, wherein the multifunctional plate 11, the first hinge cylinder 111, the second hinge cylinder 112, the third hinge cylinder 113 and the fourth hinge cylinder 114 are integrally arranged, and the first hinge cylinder 111 and the second hinge cylinder 112, the third hinge cylinder 113 and the fourth hinge cylinder 114 are symmetrically arranged on two sides of the multifunctional plate 11.

A first rotating shaft 12 is installed in the first hinge cylinder 111 and the second hinge cylinder 112, and the first connecting piece 2 is hinged between the first hinge cylinder 111 and the second hinge cylinder 112 through the first rotating shaft 12, so that the first connecting piece 2 can rotate by taking the first rotating shaft 12 as an axis; a second rotating shaft 13 is installed in the third hinge cylinder 113 and the fourth hinge cylinder 114, and the second connecting member 3 is hinged between the third hinge cylinder 113 and the fourth hinge cylinder 114 through the second rotating shaft 13, so that the second connecting member 3 can rotate by taking the second rotating shaft 13 as an axis.

Further, a lighting device 14 is arranged at the front end of the multifunctional plate 11; a positioning module 15 is arranged in the center of the multifunctional plate 11; the rear end of the multifunctional plate is provided with a warning ribbon hanging hole 16 for hanging the warning ribbon 9.

The lighting device 14 includes a lighting tube and a lighting head screwed to the lighting tube. The illuminating cylinder and the multifunctional plate 11 are fixed into a whole, a power supply battery is installed in the illuminating cylinder, and an illuminating switch is arranged on the outer wall of the illuminating cylinder. The illuminating head is detachably arranged, a lamp bead and a horn-shaped light-gathering plate are arranged in the illuminating head, and when the illuminating switch is pressed, the lamp bead is lightened. The illumination device 14 can be used as a simple illumination tool when the kingpin is used in low light conditions.

Further, the power supply battery of the lighting device 14 is electrically connected to the positioning module 15, and the power supply battery of the lighting device 14 also provides power for the positioning module 15.

The positioning Module 15 is internally provided with a positioning terminal, the positioning terminal comprises a positioning chip and a Subscriber Identity Module (SIM) card, and the positioning Module 15 is used for being butted with an internal tool positioning system, so as to be convenient for positioning and finding a lost turning pin, and be more beneficial to the management of a maintenance tool inside a company.

The B737 type passenger plane nose landing gear turning pin 4 and the A320 type passenger plane nose landing gear turning pin 5 both comprise a handle part and a plug pin part fixedly connected with the handle part, and lock balls are arranged on the plug pin part. And the material and specification of the B737 type passenger plane nose landing gear turning pin 4 and the A320 type passenger plane nose landing gear turning pin 5 are the same as those of the original factory, thus completely meeting the airworthiness requirement. Meanwhile, the red warning streamer adopts a part number NAS1756-12-HNAT and is executed according to the technical specification V1.0.2 of the FBJB0009 red warning streamer.

Further, a first fluorescent skin 41 is arranged on a handle part of a nose landing gear turning pin 4 of the B737 type passenger plane; the handle part of the nose gear turning pin 5 of the A320 type passenger plane is provided with a second fluorescent skin 51, and both the first fluorescent skin 41 and the second fluorescent skin 51 can reflect natural light and emit striking fluorescent light under a low-illumination environment. In order to distinguish which is the B737 type passenger plane nose landing gear turning pin 4 and which is the a320 type passenger plane nose landing gear turning pin 5 in the low-light environment, preferably, in the embodiment, the first fluorescent skin 41 is a fluorescent skin emitting green light, and the second fluorescent skin 51 is a fluorescent skin emitting yellow light. Thus, when the turning pin is used in a low-light environment, the model of the turning pin can be distinguished more easily.

Compared with the prior art, the beneficial effects of the utility model are that: the B737 type passenger plane nose landing gear turning pin 4 and the A320 type passenger plane nose landing gear turning pin 5 which are different in model and can be independently used are combined together through the double-shaft hinge seat 1, so that the wrong turning pin is avoided being taken in the using process; fluorescent skins with different colors are respectively arranged on the two turning pins combined on the biaxial hinged base 1, so that the turning pins with different types can be distinguished more easily in a low-illumination environment, and are not easy to take by mistake; the double-shaft hinged seat 1 is provided with the lighting device 14, so that the use is more convenient in work; be provided with orientation module 15 on the articulated seat 1 of biax, effectively solve the turning round pin and easily lose, influence flight safety problem and the extravagant problem of instrument cost that leads to.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A passenger plane nose landing gear turning pin assembly comprises a double-shaft hinge base, a first connecting piece and a second connecting piece, wherein the first connecting piece is hinged to one end of the double-shaft hinge base, the second connecting piece is hinged to the other end of the double-shaft hinge base, the first connecting piece is fixedly connected with a B737 type passenger plane nose landing gear turning pin, the second connecting piece is fixedly connected with an A320 type passenger plane nose landing gear turning pin, and the passenger plane nose landing gear turning pin assembly is characterized in that: the double-shaft hinge seat comprises a multifunctional plate, a first hinge cylinder and a second hinge cylinder which are fixed on one side of the multifunctional plate side by side at intervals, and a third hinge cylinder and a fourth hinge cylinder which are fixed on the other side of the multifunctional plate side by side at intervals.

2. A passenger aircraft nose landing gear kingpin assembly according to claim 1, wherein: the front end of the multifunctional plate is provided with a lighting device; a positioning module is arranged in the center of the multifunctional plate; the rear end of the multifunctional plate is provided with a warning ribbon hanging hole.

3. A passenger aircraft nose landing gear kingpin assembly according to claim 2, wherein: a first rotating shaft is arranged in the first hinge barrel and the second hinge barrel, and the first connecting piece is hinged between the first hinge barrel and the second hinge barrel through the first rotating shaft; and a second rotating shaft is arranged in the third hinged cylinder and the fourth hinged cylinder, and the second connecting piece is hinged between the third hinged cylinder and the fourth hinged cylinder through the second rotating shaft.

4. A passenger aircraft nose landing gear kingpin assembly according to claim 2, wherein: the B737 type passenger plane nose landing gear turning pin and the A320 type passenger plane nose landing gear turning pin both comprise a handle part and a bolt part fixedly connected with the handle part; a first fluorescent skin is arranged on a handle part of a steering pin of a nose landing gear of the B737 type passenger plane; and a second fluorescent skin is arranged on the handle part of the nose landing gear turning pin of the A320 type passenger plane.

5. A passenger aircraft nose landing gear kingpin assembly according to claim 2, wherein: a positioning terminal is arranged in the positioning module and comprises a positioning chip and an SIM card.

6. A passenger aircraft nose landing gear kingpin assembly according to claim 2, wherein: the lighting device comprises a lighting cylinder and a lighting head screwed with the lighting cylinder; a power supply battery is arranged in the illumination cylinder, and an illumination switch is arranged on the outer wall of the illumination cylinder; the illuminating head is detachably arranged, and lamp beads and a horn-shaped light gathering plate are arranged in the illuminating head.

7. A passenger aircraft nose landing gear kingpin assembly according to claim 6, wherein: and a power supply battery of the lighting device is electrically connected with the positioning module.

8. A passenger aircraft nose landing gear kingpin assembly according to claim 4, wherein: the first fluorescent skin is a green-emitting fluorescent skin, and the second fluorescent skin is a yellow-emitting fluorescent skin.

9. A passenger aircraft nose landing gear kingpin assembly according to claim 3, wherein: the multifunctional plate, the first hinge barrel, the second hinge barrel, the third hinge barrel and the fourth hinge barrel are integrally arranged, and the first hinge barrel and the second hinge barrel, the third hinge barrel and the fourth hinge barrel are symmetrically arranged on two sides of the multifunctional plate.