CN108482714A - A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure - Google Patents
A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure Download PDFInfo
- Publication number
- CN108482714A CN108482714A CN201810210098.1A CN201810210098A CN108482714A CN 108482714 A CN108482714 A CN 108482714A CN 201810210098 A CN201810210098 A CN 201810210098A CN 108482714 A CN108482714 A CN 108482714A
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- upper ledge
- cylinder
- connection structure
- carbon cloth
- face
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure, including upper ledge, cylinder and carbon cloth；Upper ledge is annulus, and one end face of upper ledge is respectively equipped with the pin hole that the screw hole that several are used to connect load is used to install positioning pin with several, another end face of upper ledge is equipped with the groove for injecting glue reservoir；Cylinder is hollow cylinder, several through-holes are evenly distributed in the middle part of cylinder side；Upper ledge is coaxially bonded in body end surface, and the piece on the outside of upper ledge between cylinder inside passes through carbon cloth and wraps up splicing.The present invention realizes being reliably connected for interface and being obviously improved for mechanic properties, and interface precision is also effectively improved by the cooperation of upper ledge, cylinder and carbon cloth, compensates for the weaker defect of traditional loaded cylinder upper ledge bearing capacity.
Description
Technical field
The present invention relates to a kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure, is particularly suitable for support to list
Tie point has the load of big bearing requirements, belongs to high rail remote sensing satellite platform structure technical field.
Background technology
In recent years, telecommunication satellite carrying continues to increase, and the tie point bearing requirements of load and structure are higher and higher, wherein passing through
Crossing loaded cylinder upper ledge or the antenna connector near upper ledge can all be connected on upper ledge, and high rail remote sensing satellite platform is mainly used in
Remote sensing satellite field, the Main Load of wherein Optical remote satellite are the larger optical cameras of weight, and camera majority is mounted on pair
Ground, loaded cylinder upper ledge is frequently as maximum support part or most of payload interface.
With large-scale antenna, the fast development of high-performance camera load, the weight of load is also constantly promoted, therefore also constantly
To the bearing capacity of platform interface, more stringent requirements are proposed.
Currently, traditional loaded cylinder upper ledge is a kind of L-type section structure, the upper ledge of this structure makes load effect and knot
The state of structure is more complicated, and longitudinal Tensile or Compressive Loading is not only born on the load tie point of upper ledge, also subject to due to supporting rib with plus
Loading point position it is eccentric and caused by bending load because traditional upper ledge design is limited by weight and upper ledge per-interface space size,
Design process is being continuously improved, utmost carrying ability is had reached, upper ledge interface bearing ability traditional at present is 8000N, is not enough to
Meet the requirement of carrying bigger loading device.If performance cannot be broken through, loaded cylinder and platform structure will be restricted
Using.Meanwhile to stablize the load smoothly transmitted and born at upper ledge tie point, it is necessary to will be carried out between upper ledge and loaded cylinder
Assembly connection, bonding pad must satisfy the needs of high-mechanic.
Invention content
Present invention solves the technical problem that being：Overcome the deficiencies in the prior art, the present invention provides a kind of enhanced centers
Loaded cylinder upper ledge and its strengthen connection structure, by the cooperation of upper ledge, cylinder and carbon cloth, realize interface be reliably connected and
Mechanic properties are obviously improved, and interface precision is also effectively improved, and are compensated for traditional loaded cylinder upper ledge and are held
The weaker defect of loading capability.
Technical solution of the invention is：
A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure, including upper ledge, cylinder and carbon cloth；Upper ledge is circle
Ring, one end face of upper ledge are respectively equipped with the pin hole that the screw hole that several are used to connect load is used to install positioning pin with several,
Another end face of upper ledge is equipped with the groove for injecting glue reservoir；Cylinder is hollow cylinder, is evenly distributed in the middle part of cylinder side
Several through-holes；Upper ledge is coaxially bonded in body end surface, and the piece on the outside of upper ledge between cylinder inside is wrapped up by carbon cloth
It is glued.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, on one end face of the upper ledge
It is evenly distributed with the 64 M6 screw holes and 4 M4 pin holes for installing positioning pin for connecting load respectively.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, the depth of 64 M6 screw holes
Degree is not less than 20mm, and the depth of 4 M4 pin holes is not less than 28mm；The position degree of 64 M6 screw holes and 4 M4 pin holes is not
More than Φ 0.3mm.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, one end face of the upper ledge
The groove for loss of weight is equipped between several screw holes, one end face of the upper ledge is additionally provided with 4 M5 for technique processing
Screw hole.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, one end face of the upper ledge
Flatness is not more than 0.2mm, and the ovality of upper ledge is not more than 0.3mm, and upper ledge end face and the verticality of upper ledge side are not more than
0.3mm。
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, the height of the upper ledge is not small
In 40mm, upper ledge internal diameter and the difference of upper ledge outer diameter are not less than 12mm.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, the upper ledge uses LD10CS
I class GBn223-84 aluminum alloy materials.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, the cylinder uses carbon fiber
Polymer matrix composites covering aluminum honeycomb sandwich cylinder.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, the carbon cloth is using multilayer leaching
Glue carbon cloth, and be distributed according to gradient transition；The number of plies of carbon cloth is no less than 6 layers, and the thickness of every layer of carbon cloth is identical, the length of each layer carbon cloth
It is identical to spend difference.
In a kind of above-mentioned enhanced Bearing cylinder upper ledge and its in strengthening connection structure, room temperature is coated on the carbon cloth
Adhesive, and cure under pressure；It is symmetrically wrapped up centered on piece between on the inside of the above outer frame side of carbon cloth and cylinder.
Compared with the prior art, the invention has the advantages that：
【1】This invention removes the eccentric bending moments of interface, improve power transmission efficiency.Traditional upper ledge, bearing point position are deviateed
Longitudinal bracing cylinder, in load bearing process, upper ledge inevitably bears additional bending moment, this can cause stress complicated,
And the tie point face cylinder wall thickness center of the present invention, load are directly delivered on loaded cylinder, power transmission is direct, and there is no eccentric curved
Square.
【2】Upper ledge of the present invention is Nian Jie with body end surface docking, and two equal gluings of binding face, interior outer cylinder wraps up after docking
Carbon cloth reinforcement, the result entirely strengthened makes upper ledge single-point interface bearing ability reach 10KN, and Static Test Results show to pass
The failure mode of the loaded cylinder upper ledge carrying of system is upper ledge drawing badly or is detached with loaded cylinder, and the failure mode after present invention carrying
It is that M6 screws are broken, thus proves that the present invention has been more than traditional loaded cylinder upper ledge bearing capacity.
【3】It is equipped with weight loss groove between each adjacent holes of upper ledge of the present invention, and after reducing Baking soda, wall thickness inside and outside upper ledge
It is 2mm, rationally realizes effective distribution of weight.
【4】Upper ledge end face of the present invention provides key interface mounting surface, it is contemplated that deformation caused by machining stress is taken repeatedly
Processing combines the process of artificial aging processing, it is ensured that flatness is not more than 0.2mm.In addition, upper ledge is glued with cylinder Butt Assembling
After molding, all hickeys of Combined machining, it is ensured that the position degree for being threadedly coupled interface is not more than Φ 0.3mm.
【5】Compact overall structure of the present invention is suitable for various working environments, and service life is relatively long, in complex working condition
Under still can good operation, have the characteristics that applied widely, have good market application prospect.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and is constituted part of this application, the embodiment of the present invention and
It illustrates, for explaining the present invention, not constituting improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention
Fig. 2 is the structural schematic diagram of upper ledge
Fig. 3 is upper ledge partial sectional view A
Fig. 4 is upper ledge partial sectional view B
Fig. 5 is upper ledge partial sectional view C
Fig. 6 is upper ledge partial sectional view D
Fig. 7 is upper ledge partial sectional view E
Fig. 8 is the partial sectional view of cylinder
Fig. 9 is the structural schematic diagram of carbon cloth
Wherein：1 upper ledge；2 cylinders；3 carbon cloths；
Specific implementation mode
To make the solution of the present invention more be illustrated, explanation and specific embodiment are made the present invention further below in conjunction with the accompanying drawings
Description：
As shown in Figure 1, a kind of enhanced Bearing cylinder upper ledge and its reinforcing connection structure, including upper ledge 1,2 and of cylinder
Carbon cloth 3；Upper ledge 1 is annulus, and 1 one end faces of upper ledge are respectively equipped with several and are used to pacify with several for connecting the screw hole of load
The pin hole of positioning pin is filled, another end face of upper ledge 1 is equipped with the groove for injecting glue reservoir；Cylinder 2 is hollow cylinder, cylinder 2
It is evenly distributed several through-holes in the middle part of side；Upper ledge 1 is coaxially bonded on 2 end face of cylinder, 1 outside of upper ledge and 2 inside of cylinder
Between piece pass through carbon cloth 3 package be glued.
As shown in Fig. 2~7, it is preferred that on 1 one end faces of upper ledge respectively be evenly distributed with 64 for connect load M6 screw holes and
4 M4 pin holes for installing positioning pin.
Preferably, the depth of 64 M6 screw holes is not less than 20mm, and the depth of 4 M4 pin holes is not less than 28mm；64
The position degree of M6 screw holes and 4 M4 pin holes is no more than Φ 0.3mm.
Preferably, the groove for loss of weight, the upper ledge 1 one are equipped between several screw holes of 1 one end faces of upper ledge
A end face is additionally provided with 4 M5 screw holes for technique processing.
Preferably, the flatness of 1 one end faces of upper ledge is not more than 0.2mm, and the ovality of upper ledge 1 is not more than 0.3mm, upper ledge
The verticality of 1 end face and 1 side of upper ledge is not more than 0.3mm.
Preferably, the height of upper ledge 1 is not less than 40mm, and 1 internal diameter of upper ledge and the difference of 1 outer diameter of upper ledge are not less than 12mm.
Preferably, upper ledge 1 uses LD10CS I class GBn223-84 aluminum alloy materials.
As shown in Figure 8, it is preferred that cylinder 2 uses carbon fiber resin matrix composite covering aluminum honeycomb sandwich cylinder.
As shown in Figure 9, it is preferred that carbon cloth 3 uses multilayer impregnation carbon cloth, and is distributed according to gradient transition；The number of plies of carbon cloth 3
No less than 6 layers, the thickness of every layer of carbon cloth 3 is identical, and the length difference of each layer carbon cloth 3 is identical.
Preferably, room temperature adhesive, and cure under pressure are coated on carbon cloth 3；Carbon cloth 3 is with 1 outside of upper ledge and 2 inside of cylinder
Between piece centered on symmetrically wrap up.
Preferably, after trench separation, 1 inner wall of upper ledge and the thickness of 1 outer wall of upper ledge are set as 2mm.
Preferably, after upper ledge 1 is Nian Jie with cylinder 2, whole cylinder by rough milling, being heat-treated, finish-milling, assembly Combined machining, protect
It is accurate to demonstrate,prove all connecting hole relative positions in upper ledge end, this is because upper ledge 1 is large scale annulus, processing ovality it is difficult to ensure that
Very high, the ovality of cylinder 2 is also non-fine, and after the two docking bonding, ovality generally can be worse, therefore, it is necessary to pass through group
It closes processing method and ensures interface precision.
The present invention operation principle be：
Upper ledge 1 is Nian Jie with the docking of cylinder 2, and the piece between 2 inside of 1 outside of upper ledge and cylinder is wrapped by carbon cloth 3
Wrap up in splicing, effective supplementing structure intensity；Load is mounted on upper ledge 1 again, you can realize that the stress that load is born directly transmits
To cylinder 2, and then significantly increase bearing capacity.
The content not being described in detail in description of the invention is known to the skilled person technology.
Claims (10)
1. a kind of enhanced Bearing cylinder upper ledge and its reinforcing connection structure, it is characterised in that：Including upper ledge (1), cylinder (2)
With carbon cloth (3)；Upper ledge (1) is annulus, and (1) end face of upper ledge is respectively equipped with several for connecting the screw hole of load and several
A pin hole for installing positioning pin, upper ledge (1) another end face are equipped with the groove for injecting glue reservoir；Cylinder (2) is hollow
Cylinder, cylinder (2) side middle part are evenly distributed several through-holes；Upper ledge (1) is coaxially bonded on cylinder (2) end face, on
Piece between on the outside of frame (1) and on the inside of cylinder (2) is wrapped up by carbon cloth (3) to be glued.
2. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The 64 M6 screw holes and 4 M4 for installing positioning pin for connecting load are evenly distributed on (1) end face of the upper ledge respectively
Pin hole.
3. a kind of enhanced Bearing cylinder upper ledge according to claim 2 and its reinforcing connection structure, it is characterised in that：
The depth of 64 M6 screw holes is not less than 20mm, and the depth of 4 M4 pin holes is not less than 28mm；64 M6 screw holes and 4
The position degree of M4 pin holes is no more than Φ 0.3mm.
4. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The groove for loss of weight is equipped between several screw holes of (1) end face of the upper ledge, (1) end face of the upper ledge is also
M5 screw holes equipped with 4 for technique processing.
5. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The flatness of (1) end face of the upper ledge is not more than 0.2mm, and the ovality of upper ledge (1) is not more than 0.3mm, upper ledge (1) end face
It is not more than 0.3mm with the verticality of upper ledge (1) side.
6. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The height of the upper ledge (1) is not less than 40mm, and upper ledge (1) internal diameter and the difference of upper ledge (1) outer diameter are not less than 12mm.
7. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The upper ledge (1) uses LD10CS I class GBn223-84 aluminum alloy materials.
8. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The cylinder (2) uses carbon fiber resin matrix composite covering aluminum honeycomb sandwich cylinder.
9. a kind of enhanced Bearing cylinder upper ledge according to claim 1 and its reinforcing connection structure, it is characterised in that：
The carbon cloth (3) uses multilayer impregnation carbon cloth, and is distributed according to gradient transition；The number of plies of carbon cloth (3) is no less than 6 layers, every layer of carbon
The thickness of cloth (3) is identical, and the length difference of each layer carbon cloth (3) is identical.
10. a kind of enhanced Bearing cylinder upper ledge according to claim 9 and its reinforcing connection structure, feature exist
In：Room temperature adhesive, and cure under pressure are coated on the carbon cloth (3)；Carbon cloth (3) is on the outside of upper ledge (1) and cylinder (2) inside
Between piece centered on symmetrically wrap up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210098.1A CN108482714A (en) | 2018-03-14 | 2018-03-14 | A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210098.1A CN108482714A (en) | 2018-03-14 | 2018-03-14 | A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108482714A true CN108482714A (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810210098.1A Pending CN108482714A (en) | 2018-03-14 | 2018-03-14 | A kind of enhanced Bearing cylinder upper ledge and its strengthen connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422377A (en) * | 2020-03-10 | 2020-07-17 | 上海卫星工程研究所 | Structure suitable for satellite and facilitating assembly of double-layer flange type bearing cylinder and laminate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136593Y (en) * | 2007-12-25 | 2008-10-22 | 上海复合材料科技有限公司 | Micro-deformation carrier barrel |
| CN105122965B (en) * | 2007-12-25 | 2012-07-25 | 上海卫星工程研究所 | The connection implementation method of a kind of becket and loaded cylinder |
| CN105480435A (en) * | 2015-12-02 | 2016-04-13 | 上海宇航系统工程研究所 | Large honeycomb sandwich bearing cylinder |
-
2018
- 2018-03-14 CN CN201810210098.1A patent/CN108482714A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201136593Y (en) * | 2007-12-25 | 2008-10-22 | 上海复合材料科技有限公司 | Micro-deformation carrier barrel |
| CN105122965B (en) * | 2007-12-25 | 2012-07-25 | 上海卫星工程研究所 | The connection implementation method of a kind of becket and loaded cylinder |
| CN105480435A (en) * | 2015-12-02 | 2016-04-13 | 上海宇航系统工程研究所 | Large honeycomb sandwich bearing cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422377A (en) * | 2020-03-10 | 2020-07-17 | 上海卫星工程研究所 | Structure suitable for satellite and facilitating assembly of double-layer flange type bearing cylinder and laminate |
| CN111422377B (en) * | 2020-03-10 | 2021-10-15 | 上海卫星工程研究所 | Structure suitable for satellite and facilitating assembly of double-layer flange type bearing cylinder and laminate |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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| RJ01 | Rejection of invention patent application after publication |