CN110589009A

CN110589009A - Antiskid net for airplane

Info

Publication number: CN110589009A
Application number: CN201910933369.0A
Authority: CN
Inventors: 曹俊杰; 张波
Original assignee: Taizhou Changjiang Industrial Equipment Co Ltd
Current assignee: Taizhou Changjiang Industrial Equipment Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2019-12-20

Abstract

The invention discloses an airplane anti-skid net which comprises side ropes, vertical net ropes, transverse net ropes, a net and knots, wherein the vertical net ropes and the transverse net ropes are arranged on the inner sides of the side ropes, the transverse net ropes and the vertical net ropes are crossed to form the net, an included angle between the transverse net ropes and the vertical net ropes is 90 degrees, and the knots are arranged at the contact positions of the vertical net ropes and the transverse net ropes. The invention utilizes the friction between the vertical net ropes and the platform and the friction between the transverse net ropes and the platform to ensure that the helicopter stably lands on the surface of the platform, reduces the sliding of the helicopter on the platform, and the arrangement of the grids can just clamp the wheels of the airplane, thereby preventing the helicopter from falling off from the platform and other serious accidents.

Description

Antiskid net for airplane

Technical Field

The invention relates to the technical field of antiskid nets, in particular to an airplane antiskid net.

Background

The helicopter is one of the unique creations of 20 th century aviation technology, and the application range of the aircraft is greatly expanded. The helicopter is a typical dual-purpose product for military and civilian use, and can be widely applied to multiple fields of transportation, patrol, travel, rescue and the like. The existing helicopter is usually required to be parked on an offshore drilling platform, a ship deck, a helicopter platform and the like, but the existing helicopter is directly parked on a parking platform and is easily blown by strong wind and even falls.

Disclosure of Invention

The present invention is directed to solving the above problems by providing an aircraft anti-skid net.

The invention realizes the purpose through the following technical scheme:

aircraft anti-skidding net, including limit rope, vertical net rope, horizontal net rope, net, knot, the inboard of limit rope is provided with vertical net rope with horizontal net rope, horizontal net rope with vertical net rope alternately forms the net, horizontal net rope with contained angle is 90 degrees between the vertical net rope, vertical net rope with horizontal net rope contact department is provided with the knot.

Preferably, the number of the side ropes is 8 and a regular octagon is formed.

Preferably, the border strand has a diameter of 26mm and a length of 16 (√ 2-1) m is about 6.627 m.

Preferably, the grid is square, and the side length of the square is 20 cm.

Preferably, the height of the knot is less than or equal to 25 mm.

Preferably, the vertical net rope and the transverse net rope are made of sisal ropes, and the diameters of the vertical net rope and the transverse net rope are 20 mm.

Preferably, the rope structures of the vertical net rope and the transverse net rope are four strands with cores, the twisting directions of the vertical net rope and the transverse net rope are the Z twisting direction of rope yarns, the D twisting direction of rope strands and the Z twisting direction of ropes, and the rope twisting distance of the vertical net rope and the transverse net rope is 4.5 times of the nominal diameter.

Preferably, the rope matrix of the vertical net rope and the horizontal net rope is required to have the moisture regain of less than or equal to 13 and the extractable lubricant content of less than or equal to 15.

Preferably, the linear density of the vertical net ropes and the horizontal net ropes is 275P +/-0.05P, and the lowest breaking strength of the vertical net ropes and the horizontal net ropes is 2790 daN.

Preferably, the linear density of the side rope is 470P +/-0.05P, and the lowest breaking strength of the side rope is 4640 daN.

Has the advantages that: the invention utilizes the friction between the vertical net ropes and the platform and the friction between the transverse net ropes and the platform to ensure that the helicopter stably lands on the surface of the platform, reduces the sliding of the helicopter on the platform, and the arrangement of the grids can just clamp the wheels of the airplane, thereby preventing the helicopter from falling off from the platform and other serious accidents.

Additional features of the invention and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an aircraft anti-skid net according to the invention.

The reference numerals are explained below:

1. a side rope; 2. a vertical net rope; 3. a transverse net rope; 4. a grid; 5. and (6) knotting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Examples

As shown in figure 1, the aircraft anti-skid net comprises side ropes 1, vertical net ropes 2, transverse net ropes 3, a net 4 and knots 5, wherein the vertical net ropes 2 and the transverse net ropes 3 are arranged on the inner sides of the side ropes 1, the transverse net ropes 3 and the vertical net ropes 2 are crossed to form the net 4, an included angle between the transverse net ropes 3 and the vertical net ropes 2 is 90 degrees, and the net knots are arranged at the contact positions of the vertical net ropes 2 and the transverse net ropes 3.

The number of the side ropes 1 is 8, and a regular octagon is formed; the diameter of the border rope 1 is 26mm, and the length of the border rope 1 is 16V 2-1m, which is about 6.627 m; the grid 4 is square, and the side length of the square is 20 cm; the height of the knot 5 is less than or equal to 25 mm; the vertical net rope 2 and the transverse net rope 3 are made of sisal ropes, and the diameters of the vertical net rope 2 and the transverse net rope 3 are both 20 mm; the rope structures of the vertical net ropes 2 and the transverse net ropes 3 are four strands with cores, the twisting directions of the vertical net ropes 2 and the transverse net ropes 3 are the rope yarn Z twisting direction, the rope strands D twisting direction and the rope Z twisting direction, and the rope twisting distance of the vertical net ropes 2 and the transverse net ropes 3 is 4.5 times of the nominal diameter; the rope matrix of the vertical net rope 2 and the transverse net rope 3 is required to have the moisture regain less than or equal to 13 and the extractable lubricant content less than or equal to 15; the linear density of the vertical net ropes 2 and the horizontal net ropes 3 is 275P +/-0.05P, and the lowest breaking strength of the vertical net ropes 2 and the horizontal net ropes 3 is 2790 daN; the linear density of the border rope 1 was 470P. + -. 0.05P, and the lowest breaking strength of the border rope 1 was 4640 daN.

In the above-mentioned structure, utilize the frictional force between vertical net rope 2 and horizontal net rope 3 and the platform, guarantee that the helicopter stably lands on the platform surface, reduce the slip of helicopter on the platform, and the setting of net 4 can just block the wheel of aircraft, prevent the emergence of malignant accident such as helicopter follow platform landing.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Aircraft antiskid net, its characterized in that: including limit rope (1), vertical net rope (2), horizontal net rope (3), net (4), knot (5), the inboard of limit rope (1) is provided with vertical net rope (2) with horizontal net rope (3), horizontal net rope (3) with vertical net rope (2) cross formation net (4), horizontal net rope (3) with the contained angle is 90 degrees between vertical net rope (2), vertical net rope (2) with horizontal net rope (3) contact department is provided with the knot.

2. An aircraft anti-skid mesh as defined in claim 1, wherein: the number of the side ropes (1) is 8 and a regular octagon is formed.

3. An aircraft anti-skid mesh as defined in claim 1, wherein: the border rope (1) has a diameter of 26mm and the length of the border rope (1) is 16 (√ 2-1) m, which is about 6.627 m.

4. An aircraft anti-skid mesh as defined in claim 1, wherein: the grid (4) is square, and the side length of the square is 20 cm.

5. An aircraft anti-skid mesh as defined in claim 1, wherein: the height of the knot (5) is less than or equal to 25 mm.

6. An aircraft anti-skid mesh as defined in claim 1, wherein: the vertical net rope (2) and the transverse net rope (3) are made of sisal ropes, and the diameters of the vertical net rope (2) and the transverse net rope (3) are both 20 mm.

7. An aircraft anti-skid mesh as defined in claim 1, wherein: the rope structure of the vertical net rope (2) and the horizontal net rope (3) is four strands with cores, the twisting direction of the vertical net rope (2) and the horizontal net rope (3) is Z twisting direction of rope yarn, D twisting direction of rope strand and Z twisting direction of rope, and the rope twisting distance of the vertical net rope (2) and the horizontal net rope (3) is 4.5 times of nominal diameter.

8. An aircraft anti-skid mesh as defined in claim 1, wherein: the rope matrix of the vertical net rope (2) and the horizontal net rope (3) is required to have the moisture regain less than or equal to 13 and the extractable lubricant content less than or equal to 15.

9. An aircraft anti-skid mesh as defined in claim 1, wherein: the linear density of the vertical net ropes (2) and the horizontal net ropes (3) is 275P +/-0.05P, and the lowest breaking strength of the vertical net ropes (2) and the horizontal net ropes (3) is 2790 daN.

10. An aircraft anti-skid mesh as defined in claim 1, wherein: the linear density of the side rope (1) is 470P +/-0.05P, and the lowest breaking strength of the side rope (1) is 4640 daN.