KR102582965B1 - Tool for disassembling or assembling retainers of the aircraft aeron cylinder - Google Patents

Abstract

The present invention discloses a tool dedicated to disassembling and assembling retainers of aircraft aeroron cylinders. Specifically, a retainer consisting of a nut head that is hexagonal and has a rod hole in the center, and a fastening cap that is shaped like a circular tube and has a female thread formed on the inner circumferential surface and is coupled to one side of the nut head is unscrewed from the aircraft aero cylinder body. A dedicated tool that can be tightened to a cylinder body, comprising: a head portion formed in a circular ring shape and having a plurality of triangular concavo-convex teeth formed at regular intervals on the inner circumferential surface; A handle portion coupled to one side of the outer circumference of the head portion and capable of being held by hand; It is made up of a stopper part that forms a circular ring shape and is attached to one surface of the head part to prevent the nut head entering the head part from being separated, wherein the vertices of the nut head entering the inside of the head part are connected to the teeth. It is characterized in that the handle can be held and rotated while it is custom-inserted between the.

Description

Tool for disassembling and assembling retainers of aircraft aeron cylinder {Tool for disassembling or assembling retainers of the aircraft aeron cylinder}

The present invention relates to a dedicated tool for disassembly and assembly, and more specifically, a dedicated tool such as a spanner used when disassembling or assembling the retainer of a hydraulic cylinder that is mounted on the ends of both wings of an aircraft and operates the aeroron responsible for rolling the aircraft. It's about.

In general, military aircraft are aircraft used for military purposes: fighter aircraft that perform missions such as air combat and ground attack, bombers that perform ground bombing missions, attack aircraft that mainly perform ground attack missions, and transport aircraft. It is divided into transport planes for missions and reconnaissance planes for reconnaissance missions.

These military aircraft are military weapons that must be operated for decades. The aircraft itself is quite expensive, but the cost of parts is also high. In particular, many parts depend on imports from overseas, and due to the special nature of being a military product, the prices are beyond imagination. In addition, since overhaul of parts is performed only by the manufacturer, maintenance costs are also increasing.

As an example, a hydraulic cylinder that drives the raising and lowering of an aircraft aeroron is shown in FIG. 1.

1 is a perspective view showing an aircraft aeroron cylinder.

An aircraft aeroron cylinder may be composed of a cylinder body 10 and retainers 20 fastened to both ends of the cylinder body 10.

Male threads 11 are formed on the outer peripheral surfaces of both ends of the cylinder body 10.

As shown, the retainer 20 may be composed of a nut head 21 in the shape of a hexagonal plate, and a fastening cap 22 in the shape of a circular tube coupled to one side of the nut head 21. .

At this time, a rod hole 21a is formed in the center of the nut head 21 through which a cylinder rod (not shown) inserted into the cylinder body 10 can pass.

And, a female thread 22a is formed on the inner peripheral surface of the fastening cap 22 so that it can be fastened to the male thread 11 of the cylinder body 10. For reference, the inner diameter of the rod hole 21a is smaller than the inner diameter of the fastening cap 22.

If the Aeron cylinder with this structure is used for a certain period of time, it must be overhauled at regular intervals according to the maintenance manual provided by the manufacturer for reasons such as aging and wear.

Therefore, when performing an overhaul according to the maintenance manual provided by the manufacturer, all parts must be disassembled, repaired, and replaced.

However, the maintenance manual only instructs on parts requiring maintenance and does not provide any information on how to disassemble, assemble, or replace. Therefore, disassembly or assembly is performed using various tools or equipment manufactured in-house.

There is no dedicated tool that can be used to loosen or tighten the retainer in order to disassemble or assemble the cylinder body described above. In particular, when fastening the retainer, it is set to be tightened to a torque value (2775 ~ 3065 LBS) specified in the aircraft maintenance manual.

There is no dedicated tool that can perform disassembly or assembly to meet these conditions.

Republic of Korea registered patent 10-2297876 (2021.8.30.) “Aeron cylinder performance test inspection device for military aircraft” Republic of Korea Public Utility Model No. 20-1999-0029709 (July 26, 1999) “Seal integrated retainer structure of clutch master cylinder” Republic of Korea registered utility model 20-0269719 (2002.03.14.) “Adapter Vox”

Accordingly, the purpose of the present invention to solve the above-mentioned problem is to provide an aircraft air system that can dismantle the retainer from the main body of the cylinder to disassemble the aero cylinder of the aircraft, or fasten the retainer to the main body of the cylinder with a specified torque for assembly. We provide dedicated tools for disassembling and assembling the retainer of the loan cylinder.

To achieve this purpose, a tool dedicated to disassembling and assembling the retainer of an aircraft aeroron cylinder according to the present invention has a hexagonal nut head with a rod hole in the center, a circular tube shape, and a female thread on the inner peripheral surface, as described above. In the dedicated tool for loosening or tightening a retainer consisting of a fastening cap attached to one side of the nut head from the aircraft aero cylinder cylinder body, teeth forming a circular ring shape and having a plurality of triangular concavo-convex shapes are spaced at regular intervals on the inner peripheral surface. A head portion formed by leaving; A handle portion coupled to one side of the outer circumference of the head portion and capable of being held by hand; It is made up of a stopper part that forms a circular ring shape and is attached to one surface of the head part to prevent the nut head entering the head part from being separated, wherein the vertices of the nut head entering the inside of the head part are connected to the teeth. The handle can be held and rotated while it is custom-inserted between the .

At this time, it is preferable that the number of teeth is 12.

In addition, it is preferable that a head groove for mounting the head of a torque wrench is formed in the handle portion.

According to the present invention described above, the nut head of the retainer is custom-inserted between the teeth of the head portion, so the retainer can be quickly and easily disassembled or fastened and assembled from the cylinder body. At this time, you can use a torque wrench to tighten it to the torque specified in the maintenance manual.

In particular, the head part can be entered into the nut head from any direction due to the multiple teeth formed, making work convenient.

In addition, a rod hole is formed in the stopper part, so disassembly and assembly work can be performed without being disturbed by the cylinder rod.

Figure 1 is an exploded perspective view showing the structure of an aircraft aeroron cylinder.
Figure 2 is a perspective view showing a tool dedicated to disassembling and assembling a retainer of an aircraft aeroron cylinder according to an embodiment of the present invention.
Figure 3 is a state of use of the present invention
Figure 4 is a diagram showing the operating state of the present invention.

Below, examples of the present invention are provided for easier understanding of the present invention, and the scope of the present invention is not limited thereto. In other words, the following examples are provided to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the invention of the scope of the invention, and that the present invention is defined by the scope of the claims. It is only defined.

Additionally, the terms used in this specification are for describing embodiments and are not intended to limit the present invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other elements in addition to the mentioned elements.

Additionally, unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used with meanings that can be commonly understood by those skilled in the art to which the present invention pertains. Additionally, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless clearly specifically defined.

Additionally, when describing the present invention, if it is determined that a detailed description of related known technology may unnecessarily obscure the gist of the present invention, the detailed description may be omitted.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. Figure 2 is a perspective view showing a tool dedicated to disassembling and assembling a retainer of an aircraft aeroron cylinder according to an embodiment of the present invention.

The present invention relates to a dedicated tool for disassembling or assembling an aeroron cylinder for operating an aeroron mounted at the end of both wings to operate the rolling of an aircraft, and is largely comprised of a head portion 100, a handle portion 200, and a stopper. It may be composed of unit 300.

First, before explaining the present invention, the structure of the aircraft aeron cylinder will be briefly described.

As previously explained in the background technology of the invention, the Aeron cylinder includes a cylinder body 10 that provides a space for the rod to be inserted and reciprocated, and a cover fastened to both ends of the cylinder body 10 to seal the interior. It may be composed of a shape retainer 20.

Male threads 11 are formed on the outer peripheral surfaces of both ends of the cylinder body 10 so that they can be fastened to the retainer 20.

And the retainer 20 may be composed of a nut head 21 made of a regular hexagonal flat plate, and a fastening cap 22 made of a circular tube shape and coupled to one side of the nut head 21.

At this time, a rod hole (21a) is formed in the center of the nut head 21 so that the cylinder rod 30 can penetrate, and the external thread 11 of the cylinder body 10 is formed on the inner peripheral surface of the fastening cap 22. ) and a female thread (22a) is formed to enable fastening.

The present invention is used when dismantling the retainer 20 by loosening it from the cylinder body 10 or fastening it to the cylinder body.

First, the head unit 100 will be described.

The head portion 100 surrounds the nut head 21 to maintain a locked state, and has a circular ring shape.

Accordingly, the head portion 100 has an inner diameter that can completely accommodate the nut head 21. That is, the inner diameter of the head portion 100 is formed to be larger than the maximum outer diameter of the nut head 21.

And a plurality of teeth 110 are formed on the inner peripheral surface of the head portion 100.

The teeth 110 are triangular mountains formed at regular intervals to form a concavo-convex shape. Accordingly, a triangular groove 120 is also formed between the teeth 110.

At this time, the apex portion of the nut head 21 is aligned and inserted into the triangular groove 120.

For this purpose, it is desirable that the inner angle of the vertices of the teeth 110 and the triangular groove 120 be 120°.

In addition, the number of teeth 110 can be varied as long as all vertices of the nut head 21 can be aligned and inserted into the triangular groove 120, but the number of teeth 110 is preferably 12.

In other cases, the nut head 21 may be inserted, but the inner angle of the apex of the tooth 110 and the triangular groove 120 is larger or smaller than 120°, so that it is aligned with the apex of the nut head 21. This is because it is difficult to insert. In this case, not only is it difficult to apply a strong torque, but the teeth 110 may be damaged.

Next, the handle portion 200 will be described.

The handle portion 200 is formed to apply torque and is coupled to one side of the outer peripheral surface of the head portion 100.

The handle portion 200 may be a long rectangular or rod-shaped member, but is not limited thereto and may have various shapes that can be held by hand.

In general, the head portion 100 and the handle portion are made of a high-strength material such as steel and may be formed as one piece.

Therefore, when the handle portion 200 is held and torque is applied, the head portion 100 can rotate.

Preferably, a polygonal through-head groove 210 may be formed in the handle portion 200 so that a torque wrench (not shown) can be mounted.

Next, the stopper unit 300 will be described.

The stopper unit 300 is configured to prevent the nut head 21, which enters and is accommodated in the head unit 100, from being separated from the head unit 100 while being rotated by the head unit 100. , It is made up of a circular ring shape.

And the stopper part 300 is attached and fixed to one surface of the head part 100.

At this time, it is preferable that a road hole 310 is formed in the center of the stopper part 300 and that the inner diameter of the load hole 310 is smaller than the minimum inner diameter of the head part 100.

Preferably, the rod hole 310 of the stopper part 300 is formed larger than the outer diameter of the cylinder rod 30 so that the retainer 20 can be used while the cylinder rod 30 is inserted into the cylinder body 10. For disassembly or fastening, the nut head 21 may enter the head part 100 while the cylinder rod 30 penetrates the rod hole 310 of the stopper part 300.

Meanwhile, the stopper part 300 may be fastened to the head part 100 with a bolt.

Below, the state of use of the present invention will be described with reference to FIGS. 3 and 4. Figure 3 shows a state diagram of use of the present invention, and Figure 4 shows a state diagram of operation of the present invention.

When disassembling the retainer 20 by unscrewing it from the cylinder body 10, the cylinder rod 30 is inserted so as to penetrate the rod hole 310 of the stopper portion 300, as shown in FIG. The nut head 21 is brought close to enter the inside of the head portion 100.

At this time, as shown in FIG. 4, each vertex of the nut head 21 is aligned and inserted into the triangular groove 120, and then the handle portion 200 is held and rotated in one direction to apply torque to the head portion 100. Add.

As described above, the stopper part 300 prevents the nut head 21 from being separated from the head part 100.

Likewise, when assembling the retainer 20 by fastening it to the cylinder body 10, the nut head 21 is similarly inserted into the head 100 and then the head groove 210 of the handle 200 is aligned. A torque wrench can be mounted on the head part 100 and rotated in the other direction to apply an accurate torque to the head part 100 to tighten it.

Importantly, since the structure has multiple triangular grooves, it is very easy to insert the nut head into the head no matter what position the vertices of the nut head are.

Although the present invention has been described with reference to the drawings according to embodiments of the present invention, those skilled in the art will be able to make various applications and modifications within the scope of the present invention based on the above contents.

10: Cylinder body 11: Male thread
20: retainer
21: nut head 21a: rod hole
22: fastening cap 22a: female thread
30: cylinder rod
100: head part
110: sawtooth 120: triangular groove
200: handle part 210: head groove
300: stopper part 310: road hole

Claims (3)

The retainer, which consists of a nut head that is hexagonal in shape and has a rod hole in the center, and a fastening cap that is shaped like a circular tube and has a female thread formed on the inner circumferential surface and is coupled to one side of the nut head, is unscrewed from the aircraft aero cylinder body or attached to the cylinder body. In the dedicated tool for tightening,
A head portion formed in a circular ring shape and with 12 teeth having a plurality of triangular convex-convex shapes on the inner circumferential surface at regular intervals; and is coupled to one side of the outer circumference of the head portion so that it can be held by hand, and the head of a torque wrench can be mounted. A handle portion in which a head groove is formed; And a stopper portion that has a circular ring shape and is attached to one surface of the head portion to prevent the nut head entering the head portion from being separated.
The handle part can be held and rotated while the vertices of the nut head entered into the head part are aligned between the teeth.
A triangular groove is formed between the teeth, and the inner angle of the apex of the tooth and the triangular groove is 120°,
The stopper part has a rod hole formed in the center, and the inner diameter of the rod hole is smaller than the minimum inner diameter of the head part and larger than the outer diameter of the cylinder rod, so that the cylinder rod penetrates the rod hole and the nut head is You can enter the head part,
A tool dedicated to disassembling and assembling a retainer of an aircraft aero cylinder, characterized in that the stopper part is fastened and fixed to the head part with a bolt. delete delete