CN110589009A - Aircraft anti-skid net - Google Patents

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

Aircraft anti-skid net

technical field

The invention relates to the technical field of anti-skid nets, in particular to aircraft anti-skid nets.

Background technique

As one of the most distinctive creations of aviation technology in the 20th century, the helicopter has greatly expanded the application range of aircraft. Helicopters are typical military-civilian dual-use products, which can be widely used in transportation, patrol, tourism, rescue and other fields. Existing helicopters often need to be parked on offshore drilling platforms, ship decks, helicopter platforms, etc., but existing helicopters are directly parked on the parking platform, which is easy to be moved by strong winds, and even falls.

Contents of the invention

The object of the present invention is to provide an aircraft anti-skid net in order to solve the above problems.

The present invention achieves the above object through the following technical solutions:

Aircraft anti-skid net, comprises side rope, vertical net rope, horizontal net rope, grid, knot, the inboard of described side rope is provided with described vertical net rope and described horizontal net rope, and described horizontal net rope and The vertical net ropes intersect to form the grid, the angle between the horizontal net ropes and the vertical net ropes is 90 degrees, and the contact between the vertical net ropes and the horizontal net ropes is provided with a Describe the network.

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

Preferably, the diameter of the side rope is 26mm, and the length of the side rope is 16*(√2-1)m, which is about 6.627m.

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

Preferably, the height of the knot is ≤25mm.

Preferably, the material of the vertical net rope and the horizontal net rope is sisal rope, and the diameters of the vertical net rope and the horizontal net rope are both 20mm.

Preferably, the rope structure of the vertical net rope and the horizontal net rope is a four-strand core, and the twist direction of the vertical net rope and the horizontal net rope is that the yarn is in the Z twist direction, and the strands are in the D direction. The twist direction and the rope are in the Z twist direction, and the rope lay length of the vertical net rope and the horizontal net rope is 4.5 times the nominal diameter.

Preferably, the rope matrix of the vertical net rope and the horizontal net rope is required to have a moisture regain ≤ 13 and an extractable lubricant content ≤ 15.

Preferably, the linear density of the vertical net rope and the horizontal net rope is 275P±0.05P, and the minimum breaking strength of the vertical net rope and the horizontal net rope is 2790daN.

Preferably, the linear density of the side rope is 470P±0.05P, and the minimum breaking strength of the side rope is 4640daN.

The beneficial effect is that: the present invention utilizes the friction between the vertical net rope and the horizontal net rope and the platform to ensure that the helicopter lands stably on the platform surface, reduces the sliding of the helicopter on the platform, and the setting of the grid can just block the aircraft The wheels prevent the helicopter from slipping from the platform and other vicious accidents.

The additional technical features and advantages of the present invention will be more clearly set forth in the following description, or can be understood through the specific practice of the present invention.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, together with the following specific embodiments, are used to explain the present invention, but do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a schematic structural view of the aircraft anti-skid net of the present invention.

The reference signs are explained as follows:

1. Side rope; 2. Vertical net rope; 3. Horizontal net rope; 4. Grid; 5. Knot.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Example

As shown in Figure 1, the aircraft anti-skid net comprises side rope 1, vertical net rope 2, horizontal net rope 3, grid 4, knot 5, and the inner side of side rope 1 is provided with vertical net rope 2 and horizontal net rope 3. The horizontal net rope 3 and the vertical net rope 2 intersect to form a grid 4, the angle between the horizontal net rope 3 and the vertical net rope 2 is 90 degrees, and the contact between the vertical net rope 2 and the horizontal net rope 3 is provided with knot.

The number of side rope 1 is 8 and forms a regular octagon; the diameter of side rope 1 is 26mm, and the length of side rope 1 is 16*√2-1m, which is about 6.627m; the shape of grid 4 is square, and the side length of the square is The height of the knot 5 is ≤25mm; the material of the vertical net rope 2 and the horizontal net rope 3 is sisal rope, and the diameters of the vertical net rope 2 and the horizontal net rope 3 are both 20mm; the vertical net rope 2 The rope structure of the horizontal net rope 3 is four strands with a core, and the twist direction of the vertical net rope 2 and the horizontal net rope 3 is that the yarn is a Z twist direction, the strands are a D twist direction, the rope is a Z twist direction, and the vertical net rope is a Z twist direction. The rope lay length of rope 2 and horizontal net rope 3 is 4.5 times the nominal diameter; the requirements for the rope matrix of vertical net rope 2 and transverse net rope 3 are moisture regain ≤ 13, extractable lubricant content ≤ 15; vertical net rope 2 and horizontal net rope 3 have a linear density of 275P±0.05P, the minimum breaking strength of vertical net rope 2 and horizontal net rope 3 is 2790daN; the linear density of side rope 1 is 470P±0.05P, and the minimum breaking strength of side rope 1 The force is 4640daN.

In the above structure, the friction force between the vertical net rope 2 and the horizontal net rope 3 and the platform is used to ensure that the helicopter lands on the platform surface stably, reducing the sliding of the helicopter on the platform, and the setting of the grid 4 can just be stuck The wheels of the aircraft prevent the occurrence of vicious accidents such as the helicopter slipping from the platform.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their effects.

Claims (10)

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.