CN111613947A

CN111613947A - High-altitude collector ring

Info

Publication number: CN111613947A
Application number: CN202010315451.XA
Authority: CN
Inventors: 伍浪
Original assignee: Nanjing Kezhixin Electromechanical Technology Co ltd
Current assignee: Nanjing Kezhixin Electromechanical Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-09-01
Anticipated expiration: 2040-04-21
Also published as: CN111613947B

Abstract

The invention discloses a high-altitude collecting ring which comprises an inner ring, an outer ring, a power ring and a lightning relief ring, wherein the inner ring is axially and radially positioned through a deep groove ball bearing by the outer ring, the inner ring is in sliding connection through a thrust cylindrical roller bearing by the outer ring, the top of the inner ring is provided with an optical fiber rotary joint, the middle part of the optical fiber rotary joint is connected with a middle end cover by a bolt, the bottom of the optical fiber rotary joint is in poking and rotating connection with a middle baffle plate by pulling and inserting, and a power ring electric brush welding line penetrates through the middle end cover and is connected to a base and a photoelectric connector.

Description

High-altitude collector ring

Technical Field

The invention relates to the technical field of collector rings, in particular to a high-altitude collector ring.

Background

The aerostat is an aircraft which is lighter than air in density and lifts off by means of atmospheric buoyancy. As a general platform, the modern aerostat can carry various devices, can monitor the ground conditions in a 360-degree all-dimensional mode, is very wide in application range, comprises an early warning radar, electronic countermeasures, electronic interference, video monitoring, haze detection, relay communication, imaging devices and the like, and is widely applied to the fields of early warning detection, ground observation, reconnaissance countermeasures, communication relays, security monitoring, environment monitoring and the like. The aerostat is connected with a ground vehicle through a cable, the aerostat is connected with the cable through a sliding ring, an outer ring of the sliding ring is connected with the aerostat through a flange, the aerostat can rotate at any angle, and an inner ring of the sliding ring is connected with the cable. According to the levitation height of the aerostat, the slip ring is required to bear different high-strength tensile forces, transmission of power and various signals on the balloon is achieved, meanwhile, the aerostat is suitable for severe high-altitude environments such as typhoons, thunderstorms, heavy rainfall and the like, about 2000 years, China electronic technology group establishes a aerostat research and development center by relying on the 38 th research institute, and starts to establish research and development of aerostat projects, which is the earliest and unique comprehensive professional aerostat incubation mechanism in China, and the existing technology has the following defects:

1. in order to realize high-voltage power transmission and meet lightning discharge requirements, the aerostat high-altitude slip ring researched and developed in the early stage has large overall dimension and overweight, so that the whole high-altitude system is large in size, and the lifting height is influenced.

2. The high-altitude slip ring of the early aerostat ensures tensile strength, the shell is integrated, the joint is welded frequently, and the maintainability is poor.

3. The high-altitude slip ring lightning-stroke-resistant voltage of the early aerostat can only bear 10KV, and the product performance is reduced and even fails after a lightning test, so that the aerostat cannot be used normally.

Disclosure of Invention

The invention aims to overcome the existing defects and provide the high-altitude collector ring, so that the volume of a product is reduced, the weight of the product is reduced, the maintainability of the product is realized, the lightning stroke resistance of the product is improved, the normal operation after lightning stroke is ensured, the service life of the product is prolonged, the working strength of the product in a severe environment is increased, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: a high-altitude collecting ring comprises an inner ring, an outer ring, a power ring and a lightning relief ring, wherein the inner ring is axially and radially positioned through a deep groove ball bearing by the outer ring, the inner ring is connected with the outer ring in a sliding manner through a thrust cylindrical roller bearing, the top of the inner ring is provided with an optical fiber rotary joint, the middle part of the optical fiber rotary joint is connected with a middle end cover by a bolt, and the bottom of the optical fiber rotary joint is connected with a middle baffle plate in a shifting and rotating manner by pulling and inserting;

the bottom of the inner ring is provided with an inner ring flange, the top of the inner ring flange is connected with a lower baffle through T-shaped threads, the top of the lower baffle is provided with an insulating shaft, the insulating shaft is fastened with a first insulator and a second insulator through threads, the tail end of the second insulator is provided with a rotation stopping bolt, a power ring is arranged between the first insulator and the insulating shaft, and the bottom of the insulating shaft is provided with a lightning relief ring;

the outer ring comprises an outer sleeve, an insulating sleeve is arranged on the inner wall of the outer sleeve, a power electric brush is fixedly connected to the middle end cover, one side of the lightning leakage ring is connected with a lightning leakage electric brush, a lower end cover is arranged at the bottom of the outer ring, the lightning leakage electric brush is fixed to the lower end cover through a copper bolt, the lower end cover is connected with the outer sleeve through threads, and a lightning leakage column is fixedly connected to the surface of the outer sleeve;

and the power ring electric brush welding wire penetrates through the middle end cover and is connected to the base and the photoelectric connector.

Furthermore, two groups of rotary GREEN rings are arranged at the joint of the inner ring flange and the inner ring.

Furthermore, the insulation sleeve is made of A-grade polytetrafluoroethylene, and the insulation shaft, the first insulator and the second insulator are made of polysulfone raw materials.

Furthermore, the thickness of the outer sleeve is 5mm, the two ends of the outer sleeve are respectively connected with a lifting lug and a lower end cover through M threads, and the thickness of the joint of the outer sleeve, the lifting lug and the lower end cover is 10-15 mm.

Furthermore, let out thunder ring and lower baffle terminal surface laminating, and pass through copper bolt connection.

Furthermore, the bottom of the connection between the outer sleeve and the lower end cover is provided with a waterproof silica gel gasket.

Compared with the prior art, the invention has the beneficial effects that: this high altitude collector ring has following benefit:

the volume of the product is reduced, the weight of the product is reduced, the maintainability of the product is realized, the lightning stroke resistance of the product is improved, the normal operation after lightning stroke is ensured, the service life of the product is prolonged, and the working strength of the product in severe environment is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of a lightning relief junction according to the present invention.

In the figure: the device comprises an inner ring flange 1, a lower baffle 2, an insulating shaft 3, an insulator 4, an insulator 5, a middle baffle 6, a power ring 7, a lightning leakage ring 8, a lower end cover 9, an outer sleeve 10, a lifting lug 11, an insulating sleeve 12, a power electric brush 13, a lightning leakage electric brush 14, a middle end cover 15, a lightning leakage column 16, a connector seat 17, an optical-electrical connector 18, a deep groove ball bearing 19, a cylindrical thrust roller bearing 20, a rotating GRILL 21 and an optical fiber rotating joint 22.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a high-altitude confluence ring comprises an inner ring 23, an outer ring 24, a power ring 7 and a lightning relief ring 8, wherein the inner ring 23 is axially and radially positioned through the outer ring 24 by a deep groove ball bearing 19, the inner ring 23 is slidably connected through the outer ring 24 by a thrust cylindrical roller bearing 20, the top of the inner ring 23 is provided with an optical fiber rotary joint 22, the middle part of the optical fiber rotary joint 22 is connected with a middle end cover 15 through a bolt, and the bottom of the optical fiber rotary joint 22 is in poking rotary connection with a middle baffle 6 through pulling and inserting;

the bottom of the inner ring 23 is provided with an inner ring flange 1, the top of the inner ring flange 1 is connected with a lower baffle 2 through T40 trapezoidal threads, the top of the lower baffle 2 is provided with an insulating shaft 3, the insulating shaft 3 is tightly fixed with a first insulator 4 and a second insulator 5 through threads, the tail end of the second insulator 5 is provided with a rotation stopping bolt, a power ring 7 is arranged between the first insulator 4 and the insulating shaft 3, and the bottom of the insulating shaft 3 is provided with a lightning leakage ring 8;

the outer ring 24 comprises an outer sleeve 10, an insulating sleeve 12 is arranged on the inner wall of the outer sleeve 10, a power electric brush 13 is fixedly connected to the middle end cover 15, one side of the lightning leakage ring 8 is connected with a lightning leakage electric brush 14, the bottom of the outer ring 24 is provided with a lower end cover 9, the lightning leakage electric brush 14 is fixed to the lower end cover 9 through a copper bolt, the lower end cover 9 is connected with the outer sleeve 10 through threads, and the surface of the outer sleeve 10 is fixedly connected with a lightning leakage column 16;

the power ring 7 electric brush welding wire penetrates through the middle end cover 15 and is connected to the base 17 and the photoelectric connector 18;

two groups of rotary GREEN rings 21 are arranged at the joint of the inner ring flange 1 and the inner ring 23;

the insulation sleeve 12 is made of A-grade polytetrafluoroethylene, and the insulation shaft 3, the first insulator 4 and the second insulator 5 are made of polysulfone raw materials;

the thickness of the outer sleeve 10 is 5mm, the two ends of the outer sleeve 10 are respectively connected with a lifting lug 11 and a lower end cover 9 through M110 threads, and the thickness of the joint of the outer sleeve 10 with the lifting lug 11 and the lower end cover 9 is 10-15 mm;

the lightning leakage ring 8 is attached to the end face of the lower baffle plate 2 and is connected with the lower baffle plate through a copper bolt;

and a waterproof silica gel gasket is arranged at the bottom of the connection between the outer sleeve 10 and the lower end cover 9.

When in use: the collecting ring mainly comprises an inner ring 23 and an outer ring 24, the inner ring 23 and the outer ring 24 are axially and radially positioned through a deep groove ball bearing 19, barrier-free rotation can be realized, the inner ring 23 and the outer ring 24 are connected through a thrust cylindrical roller bearing, axial bearing of a rotary connection part is realized, the bearing capacity of the collecting ring is improved, two ends of an outer sleeve 10 are respectively connected with a lifting lug 11 and a lower end cover 9 through M110 threads, mechanical strength is guaranteed, meanwhile, a mounting hole cannot be attacked, the power ring 7 is in brush wire contact with a power brush 13, so that the inner ring 23 and the outer ring 24 can keep good contact when relatively rotating, good and effective power transmission is realized, the power ring 7 and the power brush 13 are respectively welded with lead wires and led out, two platforms of a power supply system which relatively rotate can realize barrier-free power transmission and signals transmission, a first insulator 4 and a second insulator 5 are fixedly connected with an insulating shaft 3 through threads, and the second insulator 5 is assembled with a rotation stopping bolt, the product can be loosened in thread when rotating, all insulating materials adopt imported polysulfone raw materials, the mechanical strength is good, the insulating property is good, a metal main shaft is not arranged in the power ring assembly process, the compressive strength of the product is ensured, the power ring 7 in the inner ring 23 is connected and fixed in a threaded mode and has enough creepage distance with a metal shell, the power electric brush 13 is thickened and fixed on the middle end cover 15, the middle end cover 15 is not communicated with the shell, the power electric brush 13 is provided with a sunken wire groove, after the cable is welded with the brush wire, the groove is filled with silica gel with good insulation, the welding wire of the power electric brush 13 passes through the middle end cover 15, is led to the electric connector seat 17 and is connected with the photoelectric connector 18, due to the volume requirement, the electric distance between the electric brush and the shell is small, the insulating sleeve 12 is arranged on the inner wall of the outer sleeve 10, the insulating and, the insulating sleeve 12 is made of A-grade polytetrafluoroethylene with excellent insulating property, the lightning relief ring 8 is attached to the inner wall and the end face of the lower baffle plate 2, the lower baffle 2 is effectively connected with the inner ring flange 1 through T-shaped threads, the inner ring flange 1 is effectively connected with a cable, the mine leakage ring 8 realizes effective transmission of mine leakage inner rings and outer rings through two sets of mine leakage electric brushes 14, the mine leakage electric brushes 14 are fixed on a lower end cover 9 through copper bolts, the lower end cover 9 is effectively connected with an outer sleeve 10 through threads, the outer sleeve 10 is connected with a mine leakage column 16, the mine leakage column 16 is effectively connected with an upper hollow metal component of the aerostat, the bottom of the outer sleeve 10 connected with the lower end cover 9 is provided with a waterproof silica gel gasket, an outlet wire of the inner ring 23 needs to be connected with the cable, the inner ring flange 1 is connected with a cable bearing cup, the joint can be subjected to waterproof sealing treatment, and the positions of outlet wires of all the inner rings 23 do not need to be subjected to.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high altitude collector ring, includes inner circle, outer lane, power ring and lets out thunder ring, its characterized in that: the inner ring is axially and radially positioned through an outer ring and a deep groove ball bearing, the inner ring is connected in a sliding manner through the outer ring and a thrust cylindrical roller bearing, the top of the inner ring is provided with an optical fiber rotary joint, the middle part of the optical fiber rotary joint is connected with a middle end cover through a bolt, and the bottom of the optical fiber rotary joint is connected with a middle baffle in a shifting and rotating manner through a pulling and inserting way;

2. A high altitude slip ring according to claim 1, wherein: and two groups of rotary GREEN rings are arranged at the joint of the inner ring flange and the inner ring.

3. A high altitude slip ring according to claim 1, wherein: the insulation sleeve is made of A-grade polytetrafluoroethylene, and the insulation shaft, the first insulator and the second insulator are made of polysulfone raw materials.

4. A high altitude slip ring according to claim 1, wherein: the thickness of the outer sleeve is 5mm, the two ends of the outer sleeve are respectively connected with the lifting lug and the lower end cover through M threads, and the thickness of the joint of the outer sleeve, the lifting lug and the lower end cover is 10-15 mm.

5. A high altitude slip ring according to claim 1, wherein: the lightning relief ring is attached to the end face of the lower baffle plate and connected with the end face of the lower baffle plate through a copper bolt.

6. A high altitude slip ring according to claim 1, wherein: the bottom of the outer sleeve connected with the lower end cover is provided with a waterproof silica gel gasket.