KR20120126534A - Rotor deicing harness - Google Patents

Abstract

PURPOSE: A rotor deicing harness is provided to be effectively installed in a limited space by forming the cross section of the rotor deicing harness into a flat shape. CONSTITUTION: A rotor deicing harness comprises a first connection unit(200) and a second connection unit(300). The first connection unit connects one end of the rotor deicing harness to a rotating rotor. The second connection unit connects the other end of the rotor deicing harness to a deicing heating mat installed in a blade. The cross section of the rotor deicing harness is a flat shape.

Description

Rotor deicing harness {ROTOR DEICING HARNESS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotor ice making harness, and more particularly, to an apparatus used to supply power to a heating mat for ice making of a blade in a rotating rotor of a helicopter.

Harness refers to a connection that electrically connects or disconnects two or more devices.

Harness aims to make the electrical connection and insulation from the outside by using the space inside the device useful, and it must be able to withstand the environment basically used, not to be easily damaged, and to be easily attached and detached. What needs to be done.

The rotor ice making harness of the present invention is a product used when supplying power to a heating mat of a rotating rotor blade.

Conventional rotor deicing harness (Harness) has a sharp durability and did not solve the problem of frequent maintenance and radius of curvature. In addition, since the shape of the rotor deicing harness is different depending on the characteristics of the length and material of the rotating rotor sleeve (Sleeve), it is difficult to install the existing product, and in fact, to install in the rotor sleeve of the KUH aircraft Is impossible.

Accordingly, an object of the present invention is to provide a rotor de-icing harness that is durable and easy to supply power to a heating mat of a rotating rotor blade.

As a means of the present invention for achieving the above object, the invention according to claim 1, in the rotor ice making harness, the first connecting means and the rotor ice making so that one end of the rotor ice making harness is connected to the rotating rotor (Rotor) And a second connecting means for connecting the other end of the harness to a heating mat for ice making installed in the blade, wherein the rotor ice making harness has a rotor ice making harness having a flat cross section. to provide.

The invention according to claim 2, wherein the rotor deicing harness of claim 1 is fixed to one end of a sleeve in a direction of engaging with the rotor and has a flat cross section. The rotor deicing harness further includes a rotating guide having two spaces in which the rotor deicing harness can be inserted and exited so as to be bent in a longitudinal direction.

The invention according to claim 3, wherein the rotor ice making harness is fitted into a hole formed in a pin for coupling the blade and the sleeve. It further comprises a holder pin (Holder Pin), wherein the pin (Pin) is rotated when the blade (Blade) is folded in one or more holes formed in one end of the sleeve (Sleeve) engaging with the blade (Blade) It provides a rotor ice making harness, characterized in that the pin (Pin) inserted to correspond to the hole to be.

The invention as set forth in claim 4, further comprising: a portion of the rotor ice making harness to which the rotating guide engages, in order to fix the rotor ice making harness. And a fixing part positioned between the means and engaged with the holder pin, wherein the fixing part has an annular protrusion formed longitudinally back and forth.

The invention according to claim 5, wherein the cross-sectional shape corresponding to the portion of the rotor ice making harness coupled to the holder pin is formed in a circle shape. Provide an ice making harness.

The invention according to claim 6, wherein the insulator of the outer surface connecting the first connecting means and the second connecting means of the rotor ice making harness is made of polyurethane. To provide a rotor ice making harness.

According to the present invention, since the cross-sectional area of the entire electric wire by a large number of strands of electric wire required for supplying power to the heating mat for ice making mat installed in the blade from the rotor, the thickness of the entire electric wire when mounted on the aircraft Due to the large curvature due to the difficulty, but the cross-sectional shape of the harness (Harness) to form a flat (Flat) to reduce the curvature so that the rotation radius generated when mounting is not large. This allows the rotor deicing harness to be mounted efficiently in confined spaces.

In addition, according to the present invention, in the case of the harness (Harness) mounted on the outside of the rotor (rotating at high speed) due to the air and the environmental factors of the external durability, the durability is sharply dropped, not often broken phenomenon occurs frequently Maintenance is required, but durability is also strong in vibration and moving requirements such as high speed rotation.

In addition, according to the present invention, when the length of the sleeve (Sleeve) is short, it is not possible to install the harness (Harness), and when folding the blade (Blade) there was a problem that the damage of the harness occurs, but the harness is solved Even when the mounted blades are folded, damage to the harness does not occur.

FIG. 1 is a view schematically showing a preliminary apparatus viewed from the side of a rotor ice making harness including a rotating guide according to an embodiment of the present invention.
FIG. 2A is a schematic view of the overall apparatus of the rotor deicing harness (Harness) excluding the rotating guide according to an embodiment of the present invention,
FIG. 2B is a view schematically showing the whole apparatus viewed from the side of the rotor ice making harness excluding the rotating guide according to one embodiment of the present invention; FIG.
FIG. 3 is a view schematically showing the overall apparatus viewed from the side of a rotor ice harness (Harness) mounted on the aircraft according to an embodiment of the present invention,
4 is a view schematically showing the overall apparatus viewed from the side of the rotor deicing harness (Harness) mounted on the aircraft according to an embodiment of the present invention,
FIG. 5 is a schematic view of the entire apparatus as seen from above of a rotor deicing harness mounted on an aircraft according to an embodiment of the present invention.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention with respect to one embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and is to be limited only by the appended claims, along with the full scope of the present invention, and all equivalents to which the claims are entitled. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

FIG. 1 is a schematic view of the entire apparatus from a side view of a rotor ice harness 100 including a rotating guide 400 in accordance with one embodiment of the present invention.

As shown in FIG. 1, the rotor ice making harness 100 of the present invention is connected to a first rotor 200 in which one end of the rotor ice making harness is connected to a rotating rotor 10. ) And the second connecting means 300 for connecting the other end of the rotor ice making harness 100 to an ice making mat (not shown) installed in the blade 20. A power supply (mainly three-phase power supply) is connected to a heating mat (not shown), which is an ice making device for removing ice icing on the surface of the blade 20.

2A and 2B are schematic views of the entire apparatus as viewed from above or from the side of the rotor deicing harness 100 excluding the rotating guide 400 according to one embodiment of the invention.

As shown in FIG. 1, FIG. 2A and FIG. 2B, the cross-sectional shape of the rotor ice making harness 100 of the portion between the first connecting means 200 and the fixing part 600 is formed in the shape of a flat. .

The cross section of the conventional rotor deicing harness has a round shape by a plurality of strands of wires required for power supply, but the present invention is characterized by a flat shape.

By implementing the cross-sectional shape of the rotor deicing harness 100 between the first connecting means 200 and the rotating guide 400 in a flat form instead of a general round round form. , A large mounting rotation radius between the first connecting means 200 and the rotating guide 400, which is obtained by rounding the cross-sectional shape by several strands of wires required for supplying power to an existing heating mat (not shown). By solving the problem that requires a lot of space when mounting the rotor ice making harness (100).

That is, when there is a space limitation in mounting the rotor ice making harness 100, the cross-sectional area of the mounting rotation radius should be reduced to reduce the mounting space. The cross section was designed to have a flat shape.

However, in the case of between the fixing part 600 and the second connection means 300, the cross-sectional shape may have a flat shape, as shown in FIGS. 1, 2A, and 2B, the flat ( It is preferable to have a round circle shape rather than a flat shape.

This will be described together with reference to FIGS. 4 and 5.

FIG. 4 is a schematic view of the entire apparatus viewed from the side of a rotor ice harness 100 mounted on an aircraft according to an embodiment of the present invention, and FIG. 5 is a rotor ice deforming harness viewed from above in FIG. 4. (Harness) is a diagram schematically showing the overall apparatus of.

The holder pin 500 illustrated in FIGS. 4 and 5 has a hole formed in the pin 40 for coupling the sleeve 30 and the blade 20. It is fitted to the (50) is to serve to fix the rotor ice ice harness (Harness). The holder pin 500 fitted to the hole 50 forms a space for inserting and fixing the rotor ice making harness, and the formed space is in the form of a flat or a square or a circle to a polygon. Can be. In addition, the holder pin 500 may further employ various fixing means such as a tightening by a bolt or the like as a means for reducing a space formed in the holder pin 500 to fix the rotor ice making harness. .

Such a holder pin 500 has a long length between the rotating guide 400 and the second connecting means 300, as shown in Figs. Vibration problems due to air attracting force) and treatment methods of the rotor deicing harness whenever the blades 20 are mounted and detached become problems, and are designed to solve these conventional problems.

As described above, the cross section of a portion of the rotor ice harness fixed by the holder pin 500 that contacts the holder pin 500 has a circular shape, whereby the rotor is held through the holder pin 500. It can increase the power to fix the ice making harness, minimize the damage of the internal cable, etc. when fixing, and reduce the manufacturing cost because it is not necessary to arrange the internal cables in a line, so it is not necessary to be careful. When connecting the pin 500 and the second connecting means 300 does not require a rotation radius as large as the connection between the first connecting means 200 and the rotating guide (Rotating Guide) 400, when the present invention is installed Considering the cross-sectional shape of the second connecting means 300 for connecting with a heating mat (not shown) of the form, the shape of the cross section of the portion where the holder pin 500 of the above-mentioned rotor ice making harness touches The preferred form It would be called and may have any other shape, as described above.

In addition, the pin 40 corresponding to the hole in which the holder pin 500 is fitted is one formed at one end of the sleeve 30 that is coupled to the blade 20. Among the above holes, the blade 20 is inserted into a hole which becomes a rotation axis when the blade 20 is folded so that the aircraft can be placed in the hangar.

That is, by folding the blade 20 to allow the aircraft to enter the hangar, the holder pin 500 is mounted on the basis of the hole that becomes the rotation axis when folding, so that the rotor deicing harness ( Harness damage and intestinal desorption can be minimized.

In addition, the holder pin 500 is a portion of the rotor defrosting harness and the second connecting means to which the rotating guide is coupled to fix the rotor defrosting harness. In order to have a stronger holding force to prevent the rotor deicing harness from moving in the longitudinal direction even when the rotor deicing harness is fixed, the fixing part 600 may be further provided to be coupled to the holder pin (Holder Pin). It may be provided with a rounded protrusion 610 formed in the longitudinal direction of the fixing part 600.

In addition, as described above, the rotor ice making harness of the present invention may include a rotating guide 400. Rotating guide 400 is fixed to one end of the sleeve (30) in the direction of engagement with the rotor (Rotor), and the rotor deicing harness is bent in the longitudinal direction in combination with the rotor deicing harness having a flat cross section (flat) It has two spaces formed so as to make it (see FIGS. 1 and 3 to 5). One space is a space into which the rotor deicing harness is inserted, and another space is a space from which the inserted rotor deicing harness comes out.

That is, the rotating guide 400 is coupled between the first connecting means 200 and the fixing part 600 of the rotor ice making harness, and the combined rotating guide 400 is sleeved. The rotor 30 is fixed to one end in the direction of engagement with the rotor so that the rotor deicing harness can be maintained in a bent form. The bent angle formed by coupling the rotor deicing harness to the rotating guide 400 may vary depending on the environment such as the length of the sleeve in which the rotor deicing harness is mounted, and in FIGS. 3 and 4 presented in the present invention. In one example, two spaces formed in the rotating guide 400 are positioned in the same direction so that the rotor ice making harness is folded in the longitudinal direction.

That is, the rotor deicing harness having a flat cross section (Harness) is fixed in combination with the rotating guide (Rotating Guide) 400, when the rotor deicing harness is mounted on the aircraft can maintain a large radius of rotation In addition, the air atraction generated due to the long length (approximately the length of the sleeve 30) to the portion where the first connecting means 200 and the holder pin 500 is formed is long. Can solve the vibration problem.

In addition, the rotor deicing harness is not affected by the movement of the sleeve 30 according to the rotation of the rotor by securing a clearance between the first connecting means 200 of the rotor deicing harness (Harness) and the rotating guide 400. I was able to solve the problem.

The conduit between the first connection means 200 and the second connection means 300 of the rotor ice making harness 100 presented in the present invention is external even at a rotation of 272 RPM and a speed of 140 knots or more. Durability must be maintained in the exposed condition to protect the internal wires and must also be flexible. Insulators of general cables are difficult to expect durability and flexibility in such extreme environments as the rotational speed, the forward speed, and the low temperature.

However, a conduit covering such a cable can be applied to a material that can be expected to be durable and flexible in the above-mentioned extreme environment, but is preferably made of a material of polyurethane, the rotational speed, In addition to securing durability to withstand forward speeds and low temperatures, it also provides flexibility to bend freely so that it is not easily damaged even by vibration and other movements.

The present invention is not only a rotor defrosting harness in the main rotor of the aircraft but also a rotor defrosting harness in the tail rotor, as well as a product that can withstand extreme environments in an exposed state. Of course, it can be applied to. In addition, when the installation of the harness (Harness) is insufficient in the application space, that is, in the case of installing in a limited space, such as when the mounting rotation radius of the harness of course can be applied to the idea presented in the present invention.

Although the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided to assist in a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations can be made from these descriptions.

Therefore, the matters of the present invention should not be limited to the embodiments described above, and all of the equivalents or equivalents of the claims, as well as the claims described below, fall within the scope of the spirit of the present invention. I will say.

10: Rotor 20: Blade
30: sleeve 40: pin
50: Hole
100: rotor ice making harness 200: first connecting means
300: second connecting means 400: rotating guide
500: Holder Pin 600: Fixed Part
610: protrusion

Claims (6)

Rotor deicing harness,
First connecting means for connecting one end of the rotor ice making harness to a rotating rotor;
Second connecting means for connecting the other end of the rotor ice making harness to a heating mat for ice making installed on a blade;
Including,
The rotor ice making harness is a rotor ice making harness, characterized in that the cross section of the flat (flat) form.
The method of claim 1,
The rotor deicing harness is inserted to be bent in a longitudinal direction when the rotor deicing harness, which is fixed to one end of a sleeve in a direction of engaging with the rotor, is joined to the rotor deicing harness having a flat shape. Rotating guide having two spaces that can come out;
The rotor ice making harness further including.
The method of claim 2,
A holder pin fitted to a hole formed in a pin for coupling the blade and the sleeve to fix the rotor ice making harness;
, ≪ / RTI >
The pin may be a pin inserted to correspond to a hole that becomes a rotation axis when the blade is folded among one or more holes formed in one end of the sleeve that engages with the blade. Rotor deicing harness characterized by the following.
The method of claim 3, wherein
In order to fix the rotor deicing harness (Harness), the holder pin (Holder Pin) is located between the portion of the rotor deicing harness (Harness) coupled to the rotating guide (Harness) and the second connecting means and the holder pin (Holder Pin) A fixed portion coupled;
Further comprising:
The fixing portion has an annular protrusion formed in the longitudinal direction back and forth;
Rotor deicing harness, characterized in that provided with.
The method of claim 4, wherein
The rotor deicing harness, characterized in that the cross-sectional shape corresponding to the portion of the rotor deicing harness (Harness) coupled with the holder pin (Circle) made of a circle (Circle) shape.
6. The method according to any one of claims 1 to 5,
Rotor deicing harness, characterized in that the outer surface of the insulator connecting the first connecting means and the second connecting means of the rotor ice making harness made of polyurethane.

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