Turnover type safety net for helipad

Abstract

The utility model discloses a turnover safety net for a helipad, which comprises a rigid layer of the helipad and a net frame positioned on one side of the rigid layer of the helipad, the net frame is connected with the rigid layer of the helipad through a turnover component, and a safety net is arranged in the net frame. Through the cooperative design of the overturning assemblies and the net frames, the overturning assemblies drive the net frames to rotate, each net frame independently corresponds to one overturning assembly, overturning of each net frame can be independently controlled through one overturning assembly, controllability of the safety net is improved, and the situation that the safety net damages a helicopter empennage and the like can be effectively prevented; the control mode is simplified, and the automation performance and the system reliability are improved; and the safety net can be conveniently mounted through the mounting holes.

Description

Technical Field

[0001] The utility model relates to the technical field of apron safety nets, in particular to a flip-over safety net for a helicopter apron. Background Art

[0002] Rooftop helicopter platforms refer to facilities set up on the roof of a building for helicopters to take off, land and stay. Helicopter platforms are mainly suitable for fire command buildings of urban disaster prevention and relief command and dispatch centers, important medical treatment centers, five-star hotels and high-rise buildings. The popularization of helicopter platforms is of great significance to my country's national defense, fire fighting, emergency rescue, special services, tourism, etc.

[0003] According to the existing patent CN201120016440.8, a lightweight, highly elastic and impact-resistant roof helipad is disclosed, which consists of a base coating, an elastic PU layer, a hollow ceramic bead mixed PU layer, a high hardness surface layer, and an anti-slip and weather-resistant surface layer, which are constructed and laid in sequence according to the interface to form a venue with elasticity and strength.

[0004] However, the above-mentioned protective net is fixed, and the user cannot selectively land the protective net. The helicopter can easily hit the protective net during landing and cause damage to the helicopter. In addition, the protective net can easily be hit by the tail of the landing helicopter and be damaged.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes a flip-up safety net for a helicopter pad to overcome the above-mentioned technical problems existing in the existing related technology.

[0007] To this end, the specific technical solutions adopted by the utility model are as follows:

[0008] A flip safety net for a helicopter apron comprises a rigid layer of the apron and a net frame located at one side of the rigid layer of the apron. The net frame is connected to the rigid layer of the apron through a flip assembly, and a safety net is arranged inside the net frame.

[0009] Preferably, the flip assembly comprises a mounting plate symmetrically arranged on one side of the rigid layer of the apron, one side of the mounting plate is provided with an inclined L-shaped movable part, and the L-shaped movable part is connected to the mesh frame through a connecting block.

[0010] Preferably, a fixed shaft connected to the mounting plate is provided at the bending portion of the L-shaped movable part, a vertically arranged electric push rod is provided on one side of the mounting plate, and a push rod passing through the L-shaped movable part is provided at the top end of the electric push rod.

[0011] Preferably, the L-shaped movable part is provided with a travel hole for the push rod to move, and the push rod is connected to the electric push rod via a cross frame.

[0012] Preferably, the screen frame is connected to the L-shaped movable part via a spring block.

[0013] Preferably, the net frame is provided with mounting holes for mounting the safety net, and the safety net is connected to the net frame via fixing bolts.

[0014] Preferably, a limiting hole for limiting the position of the safety net is opened in the net frame.

[0015] The beneficial effects of the utility model are as follows: through the coordinated design of the flipping assembly and the net frame, the flipping assembly drives the net frame to rotate, and each net frame has a corresponding flipping assembly, and each net frame can be flipped by one flipping assembly, thereby improving the controllability of the safety net and effectively preventing the safety net from causing damage to the helicopter tail wing, etc.; simplifying the control method and improving the automation performance and system reliability; and the installation hole facilitates the installation of the safety net. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a flip-type safety net for a helicopter pad according to an embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a flip assembly in a flip safety net for a helicopter pad according to an embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a net frame of a flip-type safety net for a helicopter pad according to an embodiment of the utility model;

[0020] Figure 4 The utility model is a schematic structural diagram of a safety net in a flip-type safety net for a helicopter pad according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Rigid layer of apron; 2. Net frame; 3. Safety net; 4. Mounting plate; 5. L-shaped movable part; 6. Connecting block; 7. Fixed shaft; 8. Electric push rod; 9. Push rod; 10. Travel hole; 11. Cross frame; 12. Spring block; 13. Mounting hole; 14. Fixing bolt. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a flip-over safety net for a helicopter pad is provided.

[0025] Embodiment 1;

[0026] like Figure 1-4 As shown, the flip safety net for a helicopter apron according to an embodiment of the utility model comprises a rigid layer 1 of the apron and a net frame 2 located on one side of the rigid layer 1 of the apron, wherein the net frame 2 is connected to the rigid layer 1 of the apron through a flip assembly, and a safety net 3 is arranged inside the net frame 2.

[0027] Embodiment 2:

[0028] like Figure 1-4 As shown, the flip assembly includes a mounting plate 4 symmetrically arranged on one side of the apron rigid layer 1, an L-shaped movable part 5 inclined is provided on one side of the mounting plate 4, the L-shaped movable part 5 is connected to the net frame 2 through a connecting block 6, a fixed shaft 7 connected to the mounting plate 4 is provided at the bending part of the L-shaped movable part 5, a vertically arranged electric push rod 8 is provided on one side of the mounting plate 4, a push rod 9 penetrating the L-shaped movable part 5 is provided at the top end of the electric push rod 8, a travel hole 10 for the push rod 9 to move is opened on the L-shaped movable part 5, and the push rod 9 is connected to the electric push rod 8 through a cross frame 11.

[0029] Embodiment three;

[0030] like Figure 1-4 As shown, the net frame 2 is connected to the L-shaped movable part 5 through a spring block 12, a mounting hole 13 for mounting the safety net 3 is provided on the net frame 2, the safety net 3 is connected to the net frame 2 through a fixing bolt 14, and a limiting hole for limiting the safety net 3 is provided in the net frame 2.

[0031] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0032] In actual application, the electric push rod 8 is started to drive the push rod 9 to move up and down through the cross frame 11. The push rod 9 pushes the L-shaped movable part 5 to rotate with the fixed axis 7 as the axis point, so that the L-shaped movable part 5 drives the net frame 2 to flip through the connecting block 6, thereby improving the controllability of the safety net 3 and effectively preventing the safety net 3 from causing damage to the helicopter tail wing; simplifying the control method, while improving the automation performance and system reliability; and the installation hole 13 facilitates the installation of the safety net 3.

[0033] To sum up, with the help of the above-mentioned technical scheme of the utility model, through the coordinated design of the flipping component and the net frame 2, the flipping component drives the net frame 2 to rotate, and each net frame 2 has a corresponding flipping component, and each net frame 2 can be flipped by one flipping component. The controllability of the safety net 3 is improved, and it can effectively prevent the safety net 3 from causing damage to the tail wing of the helicopter; simplify the control method, and at the same time improve the automation performance and system reliability; and the installation hole 13 facilitates the installation of the safety net 3.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flip-up safety net for a helicopter pad, characterized in that: It comprises a helipad rigid layer (1) and a net frame (2) located on one side of the helipad rigid layer (1), the net frame (2) being connected to the helipad rigid layer (1) via a flip assembly, and a safety net (3) being arranged inside the net frame (2); The turnover assembly comprises a mounting plate (4) symmetrically arranged on one side of the apron rigid layer (1), one side of the mounting plate (4) is provided with an L-shaped movable part (5) arranged obliquely, and the L-shaped movable part (5) is connected to the net frame (2) via a connecting block (6); A fixed shaft (7) connected to the mounting plate (4) is provided at the bend of the L-shaped movable part (5); a vertically arranged electric push rod (8) is provided on one side of the mounting plate (4); and a push rod (9) penetrating the L-shaped movable part (5) is provided at the top end of the electric push rod (8).

2. A flip-up safety net for a helicopter pad according to claim 1, characterized in that: The L-shaped movable part (5) is provided with a travel hole (10) for the push rod (9) to move, and the push rod (9) is connected to the electric push rod (8) via a cross frame (11).

3. A flip-up safety net for a helicopter pad according to claim 2, characterized in that: The net frame (2) is connected to the L-shaped movable part (5) via a spring block (12).

4. The flip-over safety net for a helipad according to claim 1, characterized in that: The net frame (2) is provided with a mounting hole (13) for mounting the safety net (3); the safety net (3) is connected to the net frame (2) via fixing bolts (14).

5. The flip-over safety net for a helipad according to claim 4, characterized in that: The net frame (2) is provided with a limiting hole for limiting the position of the safety net (3).

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