CN211568276U

CN211568276U - Buffering device for airship

Info

Publication number: CN211568276U
Application number: CN201922320598.3U
Authority: CN
Inventors: 刘宏磊; 陈芒; 王萌; 胡晓蒙
Original assignee: Hunan Aerospace Yuanwang Science & Technology Co ltd
Current assignee: Hunan Aerospace Yuanwang Science & Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-25
Anticipated expiration: 2029-12-20

Abstract

A buffer device for an airship comprises a buffer air cushion and an inflating device, wherein the buffer air cushion comprises an inflatable framework structure and an outer bag sleeved outside the framework structure, an inflating port connected with the inflating device is arranged on the framework structure, and an exhaust hole and a connecting piece used for being connected with the airship are arranged on the outer bag. The utility model discloses according to momentum and energy conservation, when the airship descends, fashioned outer bag is discharged the air from the exhaust hole by compression, and the gas that discharges away possesses sufficient speed and has certain energy, absorbs the impact energy of airship to ground to realize the buffer protection of airship.

Description

Buffering device for airship

Technical Field

The utility model is used for the aerostatics field specifically is a buffer for dirigible.

Background

The airship as one lighter than air aircraft may be used in traffic, transportation, disaster relief, scientific experiment and other fields. The airship generally needs to carry various power, energy and task equipment, the equipment is generally arranged on an airship nacelle arranged at the bottom of the airship, the nacelle is firstly contacted with the ground when the airship lands, and due to the fact that the airship has a certain landing speed when landing, the nacelle is often subjected to overlarge impact overload when falling to the ground due to various uncontrollable factors such as too high speed or sudden environment in the descending process, and damage and loss of power supply equipment or task equipment are caused.

Chinese utility model patent CN201120420972 discloses an airship buffer device that can replace undercarriage, adopts the inside air extrusion flow of sealed utricule to realize the buffering. But this structure can be to needing buffer equipment to form the rebound and cause the secondary damage, need consume a large amount of air supplies simultaneously and just can make the utricule inflate the pressurize shaping, lead to the air supply to store troublesome, and it is slower to inflate the shaping time, influences the usability of product.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the problem is solved, a buffer device which can realize floor buffer and no secondary damage is provided.

The utility model adopts the technical proposal that: a buffer device for an airship comprises a buffer air cushion and an inflating device, wherein the buffer air cushion comprises an inflatable framework structure and an outer bag sleeved outside the framework structure, an inflating port connected with the inflating device is arranged on the framework structure, and an exhaust hole and a connecting piece used for being connected with the airship are arranged on the outer bag.

In the above scheme, when the airship lands, the skeleton structure expands the outer bag after being inflated, the outer bag is gradually compressed to discharge air from the exhaust holes when contacting with the ground, and the discharged air has enough speed and certain energy according to momentum and energy conservation, so that the impact energy of the airship on the ground is absorbed, and the buffering protection of the airship is realized.

Preferably, the framework structure is in a quadrangular frustum pyramid shape after being inflated and formed, and the inflation inlet is arranged on the edge of the upper surface of the framework structure.

In the above scheme, the quadrangular frustum pyramid-shaped framework structure is beneficial to being stably contacted with the ground.

Preferably, the vent hole is formed in the side surface of the outer bag, and the connecting piece is a rope fastener arranged on the upper surface of the outer bag.

In the above scheme, when the bottom surface of the outer bag is in contact with the ground, the compressed air can be discharged from the side through the exhaust holes, and the stability of the airship is kept.

Preferably, the inflation device comprises a fan and an air pipe, the upper surface of the outer bag is provided with a through hole for the air pipe to pass through, one end of the air pipe is connected with the fan, and the other end of the air pipe passes through the through hole of the outer bag and is connected with the inflation inlet of the framework structure.

In the above scheme, the fan is arranged outside the outer bag, so that the damage to the fan when falling to the ground is avoided.

Preferably, the system also comprises a monitoring system, wherein the monitoring system comprises an air pressure sensor, a distance sensor and a control mainboard; the air pressure sensor is arranged at an air inflation opening of the framework structure, and the air pressure sensor and the distance sensor are connected with the control main board.

In the above scheme, through the distance of distance sensor monitoring airship and ground, atmospheric pressure of baroceptor monitoring skeleton texture can accurate control buffer.

Preferably, the buffering air cushion is arranged on the inner side of the cloth bag, an electric heating wire is arranged in the cloth bag, and the electric heating wire is connected with the control main board.

In the scheme, the cloth bag can avoid wind resistance and accidental winding interference caused by the swinging of the buffer air cushion in the air, and the safety and reliability of the airship during operation are improved; when the electric heating wire falls to the ground, the pocket cloth can be burnt off by heating the electric heating wire, and the buffer air cushion is released.

Preferably, the fan is arranged on the side face of a nacelle of the airship, the distance sensor and the control main board are arranged in the nacelle, and the pocket cloth is connected with the bottom face of the nacelle.

In the scheme, the pocket cloth and the buffer air cushion are only arranged on the bottom surface of the nacelle, so that other devices are prevented from colliding with the ground when falling to the ground, and damage is reduced.

Preferably, the skeleton structure and the outer bag are both made of flexible materials.

In the scheme, the flexible material can not only reduce the weight of the airship, but also facilitate the rapid molding of the framework structure and the outer bag during buffering.

The utility model has the advantages that: the buffer can be effectively buffered, rebound or side turning can not occur, and secondary damage is avoided; the skeleton structure can be fully molded only by a small amount of air sources, so that a large amount of origin is not consumed for molding the outer bag, the molding time of the bag body is shortened, and the weight of the airship is reduced; the buffering air cushions are folded and collected together by the pocket cloth, so that the accidents of wind resistance, accidental winding interference and the like caused by the random swing of the air cushions in the air when the airship flies are avoided, and the safety and reliability of the system are improved.

Drawings

FIG. 1 is a schematic view of the present invention mounted on an airship;

FIG. 2 is a schematic view of the framework structure of the present invention;

FIG. 3 is a schematic view of the middle and outer bladder of the present invention;

fig. 4 is a schematic view of the present invention assembled with an airship pod;

FIG. 5 is a schematic view of the inflation process of the present invention;

FIG. 6 is a schematic view of the cushion air cushion of the present invention shown in the closed position;

fig. 7 is a schematic view of the buffer cushion of the present invention when released.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 7, a buffering device for an airship comprises a buffering air cushion 6, an inflating device and a monitoring system. The buffer air cushion 6 comprises an inflatable framework structure 1 and an outer bag 7, the framework structure 1 and the outer bag 7 are both made of flexible materials, the framework structure 1 is installed in the outer bag 7, and a rope buckle 12 is sewn on the upper surface of the outer bag 7 and used for being connected with the nacelle 5.

The framework structure 1 is used for inflating and forming the buffer air cushion 6, is sealed and airtight, is in a quadrangular frustum pyramid shape after being inflated, and is provided with an inflation inlet 2 and an air pressure sensor 3 on the edge of the upper surface of the framework structure 1.

The outer bag 7 is a main body for buffering and protecting the pod 5 when the buffer air cushion works, and exhaust holes with specified sizes are formed in the side face of the outer bag and used for exhausting air when the buffer air cushion works.

The inflation device is used for inflating the framework structure 1 and comprises a fan 8 and an air pipe 9, and two ends of the air pipe 9 are respectively connected with the fan 8 and an inflation inlet 2 of the framework structure.

The monitoring system comprises a control mainboard, a baroceptor 3 and a distance sensor, wherein the baroceptor 3 is used for monitoring the pressure intensity in the framework structure 1 and feeding back signals to the control mainboard, the distance sensor is used for monitoring the distance between the nacelle 5 and the ground and feeding back signals to the control mainboard, and the control mainboard controls the work of the air inflation fan 8 after receiving the signals.

The working method of the utility model is as follows: before the airship 4 takes off, the framework structure 1 is arranged in the outer bag 7, the outer bag 7 is connected to the lower bottom surface of the nacelle 5, and the buffer air cushion 6, the inflating device and the monitoring system are connected well.

When the airship 4 falls to a certain height at a certain speed in the landing process, the distance sensor monitors the height of the nacelle 5 from the ground, when the monitored height reaches a specified value, a signal is fed back to the control main board, the control main board controls the fan 8 to start working, and the air is filled into the framework structure 1 through the air pipe 9 by the air fan 8; the outer bag 7 is gradually expanded and formed by inflating and expanding the framework structure 1; when the air pressure in the framework structure 1 reaches a specified value, the air pressure sensor 3 monitors and feeds back an analog signal to the control main board, the control main board controls the fan 8 to stop inflating through signal conversion, and the buffer air cushion 6 is inflated and molded. The airship 4 continues to descend, when the pod 5 starts to contact with the ground, the buffer air cushion 6 arranged on the lower bottom surface of the pod firstly contacts with the ground and is gradually compressed to discharge air, and according to momentum and energy conservation, the discharged air has enough speed and certain energy to absorb the impact energy of the airship on the ground, so that the buffer protection of the airship is realized.

Claims

1. The buffering device for the airship comprises a buffering air cushion (6) and an inflating device, and is characterized in that the buffering air cushion (6) comprises an inflatable skeleton structure (1) and an outer bag (7) sleeved outside the skeleton structure (1), an inflating opening (2) connected with the inflating device is formed in the skeleton structure (1), and an exhaust hole (71) and a connecting piece used for being connected with the airship are formed in the outer bag (7).

2. A fender for an airship according to claim 1, characterised in that the frame structure (1) is shaped like a truncated pyramid after inflation and the inflation inlet (2) is provided at an edge of the upper surface of the frame structure (1).

3. A fender for an airship according to claim 2, wherein the exhaust holes (71) are provided in the side surfaces of the outer bag (7), respectively, and the connecting member is a tether fastener (12) provided on the upper surface of the outer bag (7).

4. A fender for an airship according to claim 1, characterised in that the inflation means comprises a fan (8) and an air pipe (9), one end of the air pipe (9) being connected to the fan (8) and the other end being connected to the inflation inlet (2) of the skeletal structure (1) through the outer bag.

5. A buffer device for an airship according to any one of claims 1-4, characterised by further comprising a monitoring system comprising a gas pressure sensor (3), a distance sensor, a control board; atmospheric pressure sensor (3) set up in skeleton texture's inflation inlet (2) department, atmospheric pressure sensor (3), distance sensor all are connected with the control mainboard.

6. A buffer device for airship according to claim 5, wherein the buffer air cushion (6) is further provided with a pocket cloth (10), the pocket cloth (10) is provided with a heating wire (11), and the heating wire (11) is connected with the control main board.

7. A damping device for an airship according to claim 6, characterised in that the fan (8) is arranged at the side of the nacelle (5) of the airship, the distance sensor and the control main board are arranged in the nacelle (5), and the hood (10) is connected with the bottom surface of the nacelle (5).

8. A fender according to any one of claims 1 to 4, wherein the frame structure (1) and the outer bladder (7) are both made of flexible material.