CN107477096B - A kind of connection structure of large size rotary body and shaft - Google Patents
A kind of connection structure of large size rotary body and shaft Download PDFInfo
- Publication number
- CN107477096B CN107477096B CN201710944081.4A CN201710944081A CN107477096B CN 107477096 B CN107477096 B CN 107477096B CN 201710944081 A CN201710944081 A CN 201710944081A CN 107477096 B CN107477096 B CN 107477096B
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- Prior art keywords
- radome
- wall
- upper cover
- flange
- cylindrical central
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention provides the connection structure of a kind of large-scale rotary body and shaft, comprising: radome (1) is rotary body, including cover and the lower wall on the radome at its both ends；Cylindrical central sleeve (9) includes cylinder and the peripheral flange that is vertically connected with its two axial ends outer wall；Rotate the first peripheral flange that big axis (7) includes the ladder bushing as made of the axially docking of two cylinders, is vertically connected with the one axial end inner wall of ladder bushing, and at the vertical ladder bushing transit location outer wall the second peripheral flange, wherein for the first peripheral flange to being connected to upper cover (3), lower half shell portion is set with bearing (8)；Radome (1) enclosure portion and big axis (7) the upper half shell portion of rotation are set in cylindrical central sleeve (9) between outer wall and inner wall, and radome (1), cylindrical central sleeve (9), big axis (7) three of rotation are detachably connected.Connection structure provided by the present invention, structure is simple, and force-transfer characteristic is good, maintains easily, light-weight.
Description
Technical field
The invention belongs to technical field of aerospace, in particular to field of airplane structure, and in particular to a kind of large-scale rotation
The connection structure of body and shaft.
Background technique
Large scale, big weight, large inertia rotary body such as radome, required on prior-warning plane 360 ° of radar scanning,
Middle radome and then also rotates, and how to connect large-scale rotating radar cover with shaft, enables the radome load of rotation
It passes on airframe structure and balances, be design, assembly problem, connect the quality of design, directly influence aircraft safety and structure
Weight, antenna maintenance etc..
For radome using big axis as rotation driving, big axis is primarily subjected to the overload in vertical direction, big axis and radome
Connection not only guarantees each to stability of radome, also by the load transmission of rotation cover to housing construction, while to bear radar
Extruding etc. when the moment of inertia caused by cover rotation, moment of flexure and lateral overload.
Traditional rotating radar cover is connected in the middle part of cover, by driving bearing rotary, according to driving big axis to make to rotate, even
Connect the link that stability is not only design key, and the difficult point of assembly.A kind of radome above and below is invented all to connect with rotary shaft
Mode is connect, guarantees that two pivot distances are maximum, stability is more preferable.
Summary of the invention
The purpose of the present invention is to provide the connection structures of a kind of large-scale rotary body and shaft, overcome or alleviated by the prior art
At least one drawbacks described above.
The purpose of the present invention is achieved through the following technical solutions: a kind of connection structure of large size rotary body and shaft, including
Radome, upper cover, the big axis of rotation, pallet, cylindrical central sleeve；Radome is rotary body, including cover and is located at the cover both ends
Radome on lower wall；Cylindrical central sleeve includes cylinder and the circumferential direction being vertically connected with the two axial end outer wall of cylinder or more
Flange；Big axis is rotated to include the ladder bushing as made of the axially docking of two cylinders, hang down with the one axial end inner wall of ladder bushing
Second peripheral flange of outer wall at directly the first connected peripheral flange, and the vertical ladder bushing transit location, wherein first
For peripheral flange to upper cover is connected to, the lower half shell portion far from first peripheral flange is set with bearing；Radome enclosure portion
Be set between cylindrical central sleeve outer wall and inner wall the shell portion rotated between big two flange of axis, upper cover, radome upper wall with
And cylindrical central sleeve upper flange three is detachably connected, and rotates the circumferential flange portion of big axis second, radome lower wall and center
Cylinder lower flange three is detachably connected.
Preferably, the upper cover is ring flange component, and the upper cover is in the radome upper wall, and wherein upper cover is big
Nose circle face is concordant with radome top wall surface, and upper cover roundlet end face is docked with the big axis of rotation；The big axis second week of rotation
It is disc element to flange portion, second peripheral flange is in the radome lower wall, wherein the second circumferential flange end
Face is concordant with radome wall surfaces.
Preferably, the cylindrical central sleeve is set on the radome of the radome between lower wall, and radome cover
Body portion is set in the cylindrical central sleeve outer wall, and is located between two flanges of cylindrical central sleeve or more；Upper cover described in screw bolt passes,
Radome upper wall and cylindrical central sleeve upper flange simultaneously pass through the connected three of travelling plate nut, and rotation described in screw bolt passes is big
The circumferential flange portion of axis second, radome lower wall and cylindrical central sleeve lower flange simultaneously pass through the connected three of travelling plate nut.
Preferably, the disc technique lid for blocking its center hole, the technique mouth are provided on the upper lid
Lid is in the upper cover, and technique lid end face is concordant with upper cover large round end surface.
Preferably, big the second peripheral flange of axis of the rotation and it is described it is upper cover 3 guide pins of each installation, this 3 are led
Sell asymmetric and non-uniformly distributed.
Preferably, the gap between each component and bolt head smear sealant, are entered in structure with rainwater-proof
Portion's corrosion.
The beneficial effect of the connection structure of a kind of large-scale rotary body provided by the present invention and shaft is, it is same to rotate big axis
When be connected with the upper lower wall at radome both ends, compare now be connected to lower wall or intermediate position connection structure stability it is high, by
Power is good；It is positioned using guide pin at three is respectively arranged in the big axis upper cover of rotation and the second axial ledge, is convenient for connecting hole centering, solves greatly
Size component is the problem of high altitude operation operation is not easy；Cylindrical central sleeve is both integration hub and the center of effort of rotation, with rotation
Turning big axis is that axis spin safe is reliable；The load that radome is born can be directly transmitted on the big axis of rotation；The present invention simultaneously
It is clear with load path, force-transfer characteristic is good, maintain easily, the good advantage of assembly process process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the connection structure of the large-scale rotary body of the present invention and shaft；
Fig. 2 is the top view of the connection structure of the large-scale rotary body of the present invention and shaft；
Fig. 3 is the bottom view of the connection structure of the large-scale rotary body of the present invention and shaft；
Fig. 4 is Fig. 2, the cross-sectional view shown in Fig. 3 along section.
Appended drawing reference:
1- radome, 2- bolt, 3- upper cover, 4- technique lid, 5- guide pin, 6- sealant, 7- rotate big axis, 8- bearing,
9- cylindrical central sleeve.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The connection structure of large-scale rotary body and shaft of the invention is described in further details with reference to the accompanying drawing.
As shown in Figure 1, a kind of connection structure of large size rotary body and shaft, including radome 1, upper cover 3, the big axis 7 of rotation,
Cylindrical central sleeve 9.
Radome 1 is rotary body, including cover and the lower wall on the radome at the cover both ends.
Cylindrical central sleeve 9 includes lower flange in cylinder and the circumferential direction being vertically connected with the two axial end outer wall of cylinder.
Rotating big axis 7 includes in ladder bushing and one axial end of ladder bushing as made of the axially docking of two cylinders
The second peripheral flange of outer wall (is held in the palm at the first peripheral flange that wall is vertically connected, and the vertical ladder bushing transit location
Disk).And to being connected to upper cover 3 in the first peripheral flange, shell portion far from first peripheral flange (i.e. lower half in Fig. 1
Shell portion) it is set with bearing 8.The upper cover 3 selects ring flange component, and by its roundlet end face side and rotates big axis 7 axially
Docking, while guaranteeing big 7 shell portion of axis of the coupled rotation of 3 roundlet outer wall of upper cover (i.e. upper half shell portion in Fig. 1) outside
Wall is overlapped.The disc technique lid 4 for blocking its center hole is arranged in selection in the upper cover 3, and the technique lid 4 is embedding
Loaded in upper cover 3, it is ensured that 4 end face of technique lid is concordant with 3 large round end surface of upper cover.
The installation site relationship of above each component is described below.Cylindrical central sleeve 9 is set to lower wall on the radome of radome 1
Between, and be in contact with two wall interior sidewall surfaces.1 enclosure portion of radome is then set on 9 outer wall of cylindrical central sleeve, and is located at
Between about 9 two flange of heart sleeve, and the shell portion rotated between big 7 liang of flanges of axis is then socketed in 9 inner cavity of cylindrical central sleeve, and
So that being located at the upper cover 3 for rotating big 7 upper end of axis in radome upper wall, while guaranteeing 3 large round end surface of upper cover and radome
Top wall surface is concordant, installs similarly positioned at the second peripheral flange (i.e. pallet) for rotating big 7 lower end of axis, second peripheral flange circle
Disk component also guarantees that the second circumferential flange end face is concordant with radome wall surfaces in radome lower wall simultaneously.This knot
Upper cover 3, radome upper wall and 9 upper flange of cylindrical central sleeve in structure top half is matched with it by screwing through bolt 2
Travelling plate nut is detachably connected, this structure lower half portion attachment is identical, that is, rotates the circumferential flange part of big axis 7 second
Point, radome lower wall and 9 lower flange of cylindrical central sleeve it is detachable by screwing travelling plate nut matched with its through bolt 2
Connection, top and the bottom are using travelling plate nut convenient for single side connection.It is covered on up and down for the ease of radome more when high altitude operation
The positioning of a connecting hole respectively installs 3 guide pins 5 on rotating big 7 second peripheral flange of axis and upper cover 3, and 3 guide pins 5 are non-
Symmetrical and non-uniformly distributed, as shown in Fig. 2 and Fig. 3, and the guide pin 5 is assigned always into required location hole, as shown in Figure 4.It needs
Illustrate in order to prevent rainwater enter inside configuration corrosion, by between each component gap and bolt head smear sealant
6。
The installation operating process of the connection structure of large-scale rotary body of the invention and shaft is described below.
Cylindrical central sleeve 9 is connect with radome cover first, on cylindrical central sleeve 9 preformed channel hole and no channel connect
Place installs travelling plate nut, and travelling plate nut is adjustable, rotates the big processing of axis 7 in place, and is provided with and radome
The pallet (i.e. the second peripheral flange) of lower wall connection, while upper cover 3 also processes.
Referring to Fig. 3,3 guide pins 5,3 are respectively installed on rotating big 7 pallet of axis (i.e. the second peripheral flange) and upper cover 3 and is led
Pin 5 is not asymmetric also uniformly distributed, is convenient for error protection, positioning and centering when being installed using guide pin 5 convenient for high-altitude.
Referring to fig. 4 to hang in radome on big 7 pallet of axis (i.e. the second peripheral flange) of the rotation above airframe, protect
Demonstrate,proving cylindrical central sleeve 9, there are certain intervals with big axis 7 is rotated, and rotate 3 guide pins 5 on big 7 pallet of axis (i.e. the second peripheral flange)
Into radome cover location hole, the precision of each connecting hole is checked, tighten bolt 2 and determine power and mark.
Referring to fig. 2, upper cover 3 is installed to the upper wall of radome, 3 guide pins 5 enter the location hole on cylindrical central sleeve 9, inspection
The precision for looking into each connecting hole, tightens bolt 2 and determines power and mark.
Finally installation rotates the technique lid 4 on big axis 7, has the gap and 2 painting sealants 6 of bolt seal, prevent rain
Water enters corrosion.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (6)
1. a kind of connection structure of large size rotary body and shaft, which is characterized in that big including radome (1), upper cover (3), rotation
Axis (7), cylindrical central sleeve (9)；Radome (1) is rotary body, including cover and the lower wall on the radome at the cover both ends；
Cylindrical central sleeve (9) includes lower flange in cylinder and the circumferential direction being vertically connected with the two axial end outer wall of cylinder；Rotation is big
Axis (7) includes that the ladder bushing as made of the axially docking of two cylinders and the one axial end inner wall of ladder bushing are vertically connected
Second peripheral flange of outer wall at first peripheral flange, and the vertical ladder bushing transit location, wherein the first peripheral flange
To upper cover (3) are connected to, the lower half shell portion far from first peripheral flange is set with bearing (8)；Radome (1) enclosure portion
It is set in cylindrical central sleeve (9) between outer wall and inner wall with the shell portion rotated between big (7) two flange of axis, upper cover (3), radar
Cover upper wall and cylindrical central sleeve (9) upper flange three are detachably connected, and rotate big axis (7) second circumferential flange portion, radome
Lower wall and cylindrical central sleeve (9) lower flange three are detachably connected.
2. the connection structure of large size rotary body and shaft according to claim 1, which is characterized in that the upper cover (3) is
Ring flange component, the upper cover (3) are flush-mounted in the radome upper wall, wherein upper cover (3) large round end surface and radome upper wall table
Face is concordant, and upper cover roundlet end face is docked with the big axis (7) of rotation；The circumferential flange portion of the big axis (7) second of rotation is circle
Disk component, second peripheral flange is in the radome lower wall, wherein the second circumferential flange end face and radome lower wall
Flush.
3. the connection structure of large size rotary body and shaft according to claim 2, which is characterized in that the cylindrical central sleeve
(9) it is set on the radome of the radome (1) between lower wall, and radome (1) enclosure portion is set in the center
Cylinder (9) outer wall, and between cylindrical central sleeve (9) up and down two flanges；Bolt (2) sequentially passes through the upper cover (3), on radome
Wall and cylindrical central sleeve (9) upper flange simultaneously pass through the connected three of travelling plate nut, and bolt (2) sequentially passes through the big axis of rotation
(7) second circumferential flange portions, radome lower wall and cylindrical central sleeve (9) lower flange simultaneously pass through travelling plate nut connected three
Person.
4. the connection structure of large size rotary body and shaft according to claim 3, which is characterized in that on the upper cover (3)
It is provided with the disc technique lid (4) for blocking its center hole, which is flush-mounted in the upper cover (3), and
And technique lid (4) end face is concordant with upper cover (3) large round end surface.
5. the connection structure of large size rotary body and shaft according to claim 4, which is characterized in that the big axis of rotation
3 guide pins (5) of each installation, 3 guide pins (5) are asymmetric and non-uniformly distributed in (7) second peripheral flanges and the upper cover (3).
6. the connection structure of large size rotary body and shaft according to claim 5, which is characterized in that the seam between each component
Gap and bolt head smear sealant (6), enter inside configuration corrosion with rainwater-proof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944081.4A CN107477096B (en) | 2017-09-30 | 2017-09-30 | A kind of connection structure of large size rotary body and shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944081.4A CN107477096B (en) | 2017-09-30 | 2017-09-30 | A kind of connection structure of large size rotary body and shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477096A CN107477096A (en) | 2017-12-15 |
| CN107477096B true CN107477096B (en) | 2019-09-24 |
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ID=60606260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944081.4A Active CN107477096B (en) | 2017-09-30 | 2017-09-30 | A kind of connection structure of large size rotary body and shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477096B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4738531A (en) * | 1986-01-23 | 1988-04-19 | Westinghouse Electric Corp. | Distributed antenna array location apparatus |
| US5049891A (en) * | 1990-02-23 | 1991-09-17 | Grumman Aerospace Corporation | Radome-antenna installation with rotating equipment rack |
| JPH09148818A (en) * | 1995-11-24 | 1997-06-06 | Matsushita Electric Works Ltd | Driving device of tracking antenna |
| CN105000193B (en) * | 2015-06-23 | 2017-03-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of servo-actuated radar cover stent and the servo-actuated radar with which and aircraft |
| CN106628109A (en) * | 2016-12-26 | 2017-05-10 | 中国航空工业集团公司西安飞机设计研究所 | Rotating and connecting structure of aircraft radome |
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2017
- 2017-09-30 CN CN201710944081.4A patent/CN107477096B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107477096A (en) | 2017-12-15 |
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