CN220281671U - Aluminum honeycomb floor mooring ring - Google Patents

Abstract

The utility model relates to the field of helicopter structural design, in particular to an aluminum honeycomb floor mooring ring; comprises a fixed disc, a nut, a screw plug, a rotating shaft, a flat head shaft, an adapter and a pull ring; the fixed disc is fixed in the honeycomb floor insert, the nut and the plug screw are in threaded connection and clamp the fixed disc, the lower end of the rotating shaft is embedded in a cavity formed by the nut and the plug screw, the rotating shaft can rotate in the cavity along the axis, one end of the adapter is connected to the rotating shaft through the flat-head shaft and can rotate around the flat-head shaft, and the pull ring penetrates into a round hole at the other end of the adapter. The mooring ring can rotate around the axis of the rotating shaft, can also rotate around the flat-headed shaft axis of the rotating joint and the axis of the other round hole, and has multiple directions of freedom.

Description

Aluminum honeycomb floor mooring ring

Technical Field

The utility model relates to the field of helicopter structural design, in particular to an aluminum honeycomb floor mooring ring.

Background

The aluminum honeycomb floor is widely applied to passenger and cargo cabin floors of aircraft structures due to light weight, good rigidity and convenient connection, and is also commonly used for placing cargoes besides being used for bearing the weight of personnel. When goods are placed, the goods are often required to be tethered or fixed, so that a tethered ring is designed in a passenger-cargo cabin, and the goods are tied on the tethered ring. In the past, the mooring adapter is generally screwed or riveted on the frame and the beam flange of the structure, so that the relation between the position of the mooring ring and the position of the goods placement is required to be coordinated, the position of the mooring ring is limited by the position of the frame and the beam, and the position of the goods placement is limited to a certain extent.

Disclosure of Invention

The purpose of the utility model is that: the utility model provides an aluminium honeycomb floor mooring ring, prefabricated metal inserts on aluminium honeycomb floor, the mooring ring subassembly passes through screw connection on the inserts, according to cargo mooring needs at floor optional position arrangement mooring ring, has solved the restriction problem that mooring ring position receives frame, roof beam position.

The technical scheme of the utility model is as follows: an aluminum honeycomb floor mooring ring comprises a fixed disc, a nut, a screw plug, a rotating shaft, a flat head shaft, an adapter and a pull ring; the fixed disc is fixed in the honeycomb floor insert, the nut and the plug screw are in threaded connection and clamp the fixed disc, the lower end of the rotating shaft is embedded in a cavity formed by the nut and the plug screw, the rotating shaft can rotate in the cavity along the axis, one end of the adapter is connected to the rotating shaft through the flat-head shaft and can rotate around the flat-head shaft, and the pull ring penetrates into a round hole at the other end of the adapter.

Further, the honeycomb floor insert is a metal connecting piece, and internal threads are arranged in the metal connecting piece.

Further, the metal connecting piece is prefabricated in the honeycomb floor through J-97 foaming glue.

Further, the honeycomb floor insert and the securing disc secure the tie down ring assembly to the metal insert with a set screw.

Further, the pull ring is formed by welding two semicircular rings.

Furthermore, one end, connected with the flat head shaft, of the adapter is provided with a double-lug connector.

The utility model has the beneficial effects that: (1) After the mooring ring is installed, the mooring ring component is arranged in the round hole of the groove of the honeycomb floor and cannot protrude out of the plane of the floor;

(2) The mooring ring can rotate around the axis of the rotating shaft, can also rotate around the flat-head axis of the rotary joint and the axis of the other round hole, and has multiple directions of freedom degrees;

(3) The mooring ring positions can be arranged on the floor randomly according to the cargo positions, and are not limited by the frames and Liang Zhanwei.

Drawings

FIG. 1 is a top plan view of the structure of the present utility model;

FIG. 2 is an exploded view of the structural components of the present utility model;

FIG. 3 is a schematic view of a tethered loop installed on an aluminum honeycomb floor;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

the novel aluminum honeycomb floor comprises a 1-aluminum honeycomb floor body, a 2-mooring ring assembly, 3-fixing screws, a 11-metal upper panel, a 12-metal lower panel, 13-aluminum honeycomb, 14-J-97 foaming glue, 15-metal inserts, 21-fixing discs, 22-nuts, 23-plugs, 24-rotating shafts, 25-adapter connectors, 26-pull rings, 27-flat shafts and 28-cotter pins.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the utility model relates to an aluminum honeycomb floor mooring ring, which comprises metal inserts 1, a mooring ring assembly 2 and a mooring ring assembly fixing screw 3 which are prefabricated in the aluminum honeycomb floor, wherein the metal inserts are formed by the metal inserts, the mooring ring assembly is formed by the metal inserts, the mooring ring assembly fixing screws 3: the metal inserts 1 with internal threads are prefabricated in the metal honeycomb floor through J-97 foaming glue and are used for fixing the mooring ring assemblies 2; a tie down ring assembly set screw 3 for securing the tie down ring assembly 2 to the metal insert 1;

the mooring ring assembly comprises a fixed disc 21, a nut 22, a screw plug 23, a rotating shaft 24, an adapter 25, a mooring ring 26, a flat head shaft 27 and a cotter pin; the fixed disc 21 is fixed in the honeycomb floor insert 1 through three fixed screws 3, the nut 22 and the plug 23 are in threaded connection and clamp the fixed disc 21, the lower end of the rotating shaft 24 is embedded in a cavity formed by the nut 22 and the plug 23, the rotating shaft 24 can rotate in the cavity along the axis, the adapter 25 is connected to the rotating shaft through a flat-head shaft 27 and can rotate around the flat-head shaft, and the pull ring 26 penetrates into the other round hole of the adapter.

Fig. 3 and 4 show the mooring ring assembly 2 mounted on an aluminum honeycomb floor, the mooring ring assembly 2 is connected to the metal inserts 15 of the honeycomb floor 1 through three fixing screws 3, and the metal inserts 15 are prefabricated in the aluminum honeycomb 13 of the honeycomb floor through J-97 foaming glue 14 and glue. FIG. 2 shows a captive ring assembly comprising a fixed disk 21, nut 22, plug 23, rotating shaft 24, adaptor 25, pull ring 26, flat head 27, cotter pin 28; the fixed disc 21 is connected with the metal insert 15 through three fixing screws 3, the screw plug 23 is plugged into a hole of the fixed disc 21 and is in screw connection with the nut 22, the lower end of the rotating shaft 24 is clamped in a cavity formed by the screw plug 23 and the nut 22, the rod column at the upper end is exposed, the adapter 25 is connected through the flat head shaft 27 and the cotter pin 28, and the pull ring 26 is formed by welding two semicircular rings and is inserted into the other round hole of the adapter 25.

In this way, the mooring ring does not protrude out of the floor plane after being installed, and can rotate around the axis of the rotating shaft 24 and the axis of the flat head shaft 27 and the axis of the other round hole of the adapter 25, and when the cargo needs to be moored, the pull ring 26 only needs to be lifted and rotated to a proper angle for mooring. Meanwhile, the mooring rings can be arranged at any position of the honeycomb floor according to the cargo mooring position requirement, and the honeycomb floor is not limited by the structural frames and Liang Zhanwei.

(2) Key point of the utility model

(1) The threaded holes of the metal inserts are prefabricated in the honeycomb floor in a downward inverted mode;

(2) The fixed disc is fixed on the metal insert by using a screw, the middle part of the fixed disc protrudes out of the honeycomb lower panel, and the through hole on the fixed disc is not positioned in the center and is positioned at the edge of the protruding part, so that the mooring ring after being installed displaces the middle of the fixed disc;

(3) The nut is provided with internal threads, the plug is provided with external threads, a rotating shaft passing hole is arranged in the middle of the plug, and after the nut is connected with the plug, the fixed disc is clamped in the middle to form a cavity;

(4) One end of the rotating shaft is a mooring ring through hole, and the other end of the rotating shaft is a flat cylindrical head with larger diameter and is used for clamping the selecting shaft in a cavity formed by the nut and the screw plug;

(5) The mooring ring adapter is connected with the rotating shaft through a hole through a flat head shaft;

(6) The mooring ring is a ring formed by two semicircular rings, and the joint of the two semicircular rings is polished and leveled after gas welding.

The foregoing is merely a detailed description of the utility model, which is not a matter of routine skill in the art. However, the scope of the present utility model is not limited thereto, and any changes or substitutions that can be easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. The protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (6)

1. The aluminum honeycomb floor mooring ring is characterized by comprising a fixed disc, a nut, a screw plug, a rotating shaft, a flat head shaft, an adapter and a pull ring; the fixed disc is fixed in the honeycomb floor insert, the nut and the plug screw are in threaded connection and clamp the fixed disc, the lower end of the rotating shaft is embedded in a cavity formed by the nut and the plug screw, the rotating shaft can rotate in the cavity along the axis, one end of the adapter is connected to the rotating shaft through the flat-head shaft and can rotate around the flat-head shaft, and the pull ring penetrates into a round hole at the other end of the adapter.

2. An aluminium honeycomb floor tie down ring as claimed in claim 1 wherein the honeycomb floor insert is a metal connector having internal screw threads disposed therein.

3. An aluminum honeycomb floor tie down ring as recited in claim 2, wherein said metal connector is prefabricated in the honeycomb floor by J-97 foam.

4. An aluminum honeycomb floor tie down ring as recited in claim 1, wherein the honeycomb floor insert and the securing disk secure the tie down ring assembly to the metal insert by means of a set screw.

5. An aluminum honeycomb floor tie down ring as recited in claim 1, wherein the pull ring is comprised of two semi-circular rings welded together.

6. An aluminium honeycomb floor tie down ring as claimed in claim 1 wherein the adapter is provided with a binaural joint at the end of the adapter connected to the flat head shaft.