CN104044754A - Connecting device of satellite load and cellular board adopting connecting device - Google Patents
Connecting device of satellite load and cellular board adopting connecting device Download PDFInfo
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- CN104044754A CN104044754A CN201410229833.5A CN201410229833A CN104044754A CN 104044754 A CN104044754 A CN 104044754A CN 201410229833 A CN201410229833 A CN 201410229833A CN 104044754 A CN104044754 A CN 104044754A
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Abstract
The invention provides a connecting device of a satellite load and a cellular board adopting the connecting device. The connecting device of the satellite load comprises a bearing frame and at least one cross beam, wherein the at least one cross beam is arranged in the bearing frame; two ends of each cross beam are connected with the bearing frame; at least one connecting hole is formed in the each cross beam; the satellite load is fixed by the at least one connecting hole. The connecting device of the satellite load has the advantages that the connecting device of the satellite load is an integrated component, a connecting point of the satellite load is fixed by the integrated connecting device, the connecting point of the satellite load is capable of realizing the connection and the load transfer between the load and the cellular board without being connected to an independent metal embedded part, the satellite load with a higher precision requirement is prevented from producing larger dynamic displacement difference under the dynamics loading effect, and the work quality of the satellite load with the higher precision requirement is not influenced.
Description
Technical field
The present invention relates to space technology field, relate in particular to a kind of connecting device of satellite load and adopt the bending block of this connecting device.
Background technology
Bending block is one of structure member that space industry is conventional, and it has higher intensity mass ratio, preferably rigidity mass ratio, advantages of simple structure and simple.Bending block is installed stand-alone device or capacity weight by the form of glueing joint or be spirally connected conventionally.Because bending block is normally made up of thin panel and poroid soft sandwich, can not directly on bending block, process through hole or tapped bore is installed stand-alone device, but by pre-buried in bending block or after bury metal embedded part stand-alone device be installed, transmit concentrated force load.Generally, the connection design meeting of bending block is according to the point of connection quantity of installed stand-alone device or capacity weight, in bending block pre-buried or after bury the relatively independent metal embedded part of respective numbers, thereby realize the mechanical connection of bending block and stand-alone device or capacity weight.
Bending block is connected design normally according to the point of connection quantity of load with load mounted thereto, in position corresponding to point of connection pre-buried or after bury independently metal embedded part and realize being connected and load transmission between load and bending block.The all point of connection of such method of designing are all relatively independent, under dynam load, respectively connect because relative rigidity is variant, can make each point of connection produce relatively large dynamic displacement poor, for the such dynamic displacement of normal load poor be do not have influential, and for the higher load of accuracy requirement, for example, optical camera, such dynamic displacement missionary society causes optical camera base portion to produce torsional deflection, thereby affects the image quality of optical camera.
In order to solve the requirement of the higher load of accuracy requirement to coupling stiffness, in the embedded part design of bending block, must there is higher rigidity, thereby avoid accuracy requirement higher to load on the dynamic displacement that under dynam load, generation is larger poor, thereby affect the workmanship of the higher load of accuracy requirement.
Summary of the invention
Technical matters to be solved by this invention is, a kind of connecting device of satellite load is provided and adopts the bending block of this connecting device, it is poor that it can avoid the higher satellite load of accuracy requirement under dynam load, to produce larger dynamic displacement, thereby do not affect the workmanship of the higher satellite load of accuracy requirement.
In order to address the above problem, the invention provides a kind of connecting device of satellite load, comprise load frame and at least one crossbeam, described at least one crossbeam is arranged in described load frame, described in each, the two ends of crossbeam are connected with described load frame, on described crossbeam, be provided with at least one connecting bore, described satellite load is fixed by described at least one connecting bore.
Further, on described load frame, be provided with at least one connecting bore, satellite load is fixed by least one connecting bore on load frame.
Further, the connecting device of described satellite load also comprises at least one vertical beam, and described in each, one end of vertical beam is connected with described load frame, and the other end is connected with described crossbeam, further to fix described crossbeam.
Further, be provided with at least one connecting bore described in each on vertical beam, satellite load is fixed by least one connecting bore on vertical beam.
Further, described in each, on vertical beam, be also provided with at least one engraved structure, for alleviating the quality of connecting device of described satellite load.
Further, the connecting device of described satellite load adopts aluminum alloy to make.
Further, described in each, connecting bore has female thread structure, so that satellite load is fixing.
The present invention also provides a kind of bending block, comprise the connecting device of plate body and satellite load, the connecting device of described satellite load is arranged on described plate body inside, the connecting device of described satellite load comprises load frame and at least one crossbeam, described at least one crossbeam is arranged in described load frame, described in each, the two ends of crossbeam are connected with described load frame, are provided with at least one connecting bore on described crossbeam, and described satellite load is fixed by described at least one connecting bore.
Further, the connecting device of described satellite load also comprises at least one vertical beam, and described in each, one end of vertical beam is connected with described load frame, and the other end is connected with described crossbeam, further to fix described crossbeam.
The invention has the advantages that, the integrated member of connecting device of satellite load, the point of connection of satellite load is fixed by this integrated connecting device, and the point of connection that makes satellite load is not to realize being connected and load transmission between load and bending block by being connected to independently metal embedded part.Avoid the higher satellite load of accuracy requirement under dynam load, to produce larger dynamic displacement poor, and affect the workmanship of the higher satellite load of accuracy requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the connecting device of a kind of satellite load of the present invention;
Fig. 2 is that satellite load is connected to the structural representation on the connecting device of satellite load of the present invention;
Fig. 3 is the structural representation of bending block of the present invention;
Fig. 4 is that satellite load is connected to the structural representation on bending block of the present invention.
Detailed description of the invention
Connecting device below in conjunction with accompanying drawing to a kind of satellite load provided by the invention and adopt the detailed description of the invention of the bending block of this connecting device to elaborate.
Referring to Fig. 1 and Fig. 2, the connecting device 10 of a kind of satellite load of the present invention comprises load frame 11 and at least one crossbeam 12.Described at least one crossbeam 12 is arranged in described load frame 11, and described in each, the two ends of crossbeam 12 are connected with described load frame 11.Make described load frame 11 form integrated member with described at least one crossbeam 12.The quantity of the point of connection of the satellite load 20 that the quantity of crossbeam 12 connects as required and distribution are determined.If it is many and distribute irregularly that satellite load 20 need to be connected to point of connection on connecting device 10, increase the quantity of crossbeam 12.In this detailed description of the invention, described connecting device 10 comprises two crossbeams 12.
Described in each, on crossbeam 12, be provided with at least one connecting bore 13, described satellite load 20 is fixing by described at least one connecting bore 13.Further, the connecting bore 13 of described crossbeam has negative thread, through hole (not indicating in accompanying drawing) on described satellite load 20 is aimed at the connecting bore 13 of described crossbeam, adopt screw 21 through described through hole and screw with the connecting bore 13 of described crossbeam, thereby described satellite load 20 is fixed on described connecting device 10.The quantity of the connecting bore 13 of described crossbeam can be determined according to the quantity of the point of connection of satellite load 20.
The integrated member of connecting device 10 of satellite load of the present invention, the point of connection of satellite load 20 is fixing by this integrated connecting device 10, and the point of connection that makes satellite load 20 is not to realize being connected and load transmission between satellite load and bending block by being connected to independently metal embedded part.Thereby it is poor to avoid the higher satellite load of accuracy requirement to produce larger dynamic displacement under dynam load, thereby do not affect the workmanship of the higher satellite load of accuracy requirement.
Further, on described load frame 11, be provided with at least one connecting bore 14.Satellite load 20 is fixing by least one connecting bore 14 on load frame 11.Further, the connecting bore 14 of described load frame has negative thread, through hole (not indicating in accompanying drawing) on described satellite load 20 is aimed at the connecting bore 14 of described load frame, adopt screw 21 through described through hole and screw with the connecting bore 14 of described load frame, thereby described satellite load 20 is fixed on described connecting device 10.The connecting bore 13 of described crossbeam coordinates and is connected with described satellite load 20 with the connecting bore of described load frame 14.Described satellite load 20 has multiple point of connection, and according to the placement location of satellite load 20, the different point of connection of described satellite load 20 are the connecting bore 13 of corresponding described crossbeam and the connecting bore 14 of described load frame respectively.
In this detailed description of the invention, referring to Fig. 2, described satellite load 20 is space optical camera.Described space optical camera is higher to accuracy requirement, poor if each point of connection of space optical camera produces relatively large dynamic displacement, can cause space optical camera base portion to produce torsional deflection, affects the image quality of space optical camera.In this detailed description of the invention, described space optical camera has six symmetrically arranged point of connection, and wherein the connecting bore 13 of four points of connection and crossbeam screws by screw 21, and the connecting bore 14 of two other point of connection and load frame screws by screw 21.Whole point of connection of described space optical camera are all connected on the connecting device 10 of satellite load, and the integrated member of connecting device 10 of satellite load, it is poor that thereby each point of connection of avoiding space optical camera produces relatively large dynamic displacement, can not cause space optical camera base portion to produce torsional deflection, thereby can not affect the image quality of space optical camera.
Further, the connecting device 10 of described satellite load also comprises at least one vertical beam 15.Described in each, one end of vertical beam 15 is connected with described load frame 11, and the other end is connected with described crossbeam 12, further to fix described crossbeam 12.Described load frame 11, crossbeam 12 and vertical beam 15 form integrated member.
Further, be provided with at least one connecting bore 16 described in each on vertical beam 15, satellite load 20 is fixing by least one connecting bore 16 on vertical beam 15.Further, described in each, on vertical beam 15, be also provided with at least one engraved structure 17, for alleviating the quality of connecting device 10 of described satellite load.
According to the difference of satellite load 20 point of connection quantity and distribution, on the connecting device 10 of described satellite load, can connect one or more satellite loads 20.According to design needs, the point of connection of described satellite load 20 can be connected with any connecting bore of load frame 11, crossbeam 12 and vertical beam 15.
Further, the connecting device 10 of described satellite load adopts good processability, stiffness-to-density ratio is high and strength-to-density ratio is high material to make, for example, and aluminum alloy.
Referring to Fig. 3 and Fig. 4, the present invention also provides a kind of bending block 30.Described bending block 30 comprises the connecting device 32 of plate body 31 and satellite load.In order to clearly demonstrate the structure of bending block 30 of the present invention, described bending block 30 has been removed the plate body 31 of part, to expose the connecting device 32 of part satellite load.The structure of the connecting device 32 of described satellite load is identical with the structure of the connecting device 10 of above-mentioned satellite load, is not repeated herein.
The connecting device 32 of described satellite load is compounded in described plate body 31 by existing process, to form the bending block 30 with high rigidity built-in fitting, the local coupling stiffness of satellite load 20 installation regions is enhanced, improved the comformability of the higher satellite load mechanical environment of accuracy requirement.Described high rigidity built-in fitting is the connecting device 32 of satellite load.The connecting bore of described satellite load 20 is aimed at the connecting bore of the connecting device 32 of described satellite load, adopts screw 21 that satellite load 20 is fixed on described bending block 30.
Due to the integrated member of the connecting device 32 of satellite load, the point of connection of satellite load 20 is fixing by this integrated connecting device 32, the point of connection that makes satellite load 20 is not to realize being connected and load transmission between satellite load and bending block 30 by being connected to independently metal embedded part, but realizes being connected and load transmission between satellite load 20 and bending block 30 by being connected to integrated connecting device 32.Thereby it is poor to avoid the higher satellite load of accuracy requirement 20 to produce larger dynamic displacement under dynam load, and affect the workmanship of the higher satellite load of accuracy requirement.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the connecting device of a satellite load, it is characterized in that, comprise load frame and at least one crossbeam, described at least one crossbeam is arranged in described load frame, described in each, the two ends of crossbeam are connected with described load frame, on described crossbeam, be provided with at least one connecting bore, described satellite load is fixed by described at least one connecting bore.
2. the connecting device of a kind of satellite load according to claim 1, is characterized in that, on described load frame, is provided with at least one connecting bore, and satellite load is fixed by least one connecting bore on load frame.
3. the connecting device of a kind of satellite load according to claim 1, it is characterized in that, the connecting device of described satellite load also comprises at least one vertical beam, and described in each, one end of vertical beam is connected with described load frame, the other end is connected with described crossbeam, further to fix described crossbeam.
4. the connecting device of a kind of satellite load according to claim 3, is characterized in that, is provided with at least one connecting bore described in each on vertical beam, and satellite load is fixed by least one connecting bore on vertical beam.
5. the connecting device of a kind of satellite load according to claim 3, is characterized in that, is also provided with at least one engraved structure described in each on vertical beam, for alleviating the quality of connecting device of described satellite load.
6. the connecting device of a kind of satellite load according to claim 1, is characterized in that, the connecting device of described satellite load adopts aluminum alloy to make.
7. the connecting device of a kind of satellite load according to claim 1, is characterized in that, described in each, connecting bore has female thread structure, so that satellite load is fixing.
8. a bending block, comprise the connecting device of plate body and satellite load, the connecting device of described satellite load is arranged on described plate body inside, it is characterized in that, the connecting device of described satellite load comprises load frame and at least one crossbeam, and described at least one crossbeam is arranged in described load frame, and described in each, the two ends of crossbeam are connected with described load frame, on described crossbeam, be provided with at least one connecting bore, described satellite load is fixed by described at least one connecting bore.
9. bending block according to claim 8, is characterized in that, the connecting device of described satellite load also comprises at least one vertical beam, and described in each, one end of vertical beam is connected with described load frame, and the other end is connected with described crossbeam, further to fix described crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229833.5A CN104044754A (en) | 2014-05-28 | 2014-05-28 | Connecting device of satellite load and cellular board adopting connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229833.5A CN104044754A (en) | 2014-05-28 | 2014-05-28 | Connecting device of satellite load and cellular board adopting connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104044754A true CN104044754A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410229833.5A Pending CN104044754A (en) | 2014-05-28 | 2014-05-28 | Connecting device of satellite load and cellular board adopting connecting device |
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| CN (1) | CN104044754A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901964A (en) * | 2019-12-31 | 2020-03-24 | 航天科工火箭技术有限公司 | Load board and satellite adapter device |
| CN111717419A (en) * | 2020-06-02 | 2020-09-29 | 上海卫星工程研究所 | Satellite top plate suitable for installation of multiple large loads |
-
2014
- 2014-05-28 CN CN201410229833.5A patent/CN104044754A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901964A (en) * | 2019-12-31 | 2020-03-24 | 航天科工火箭技术有限公司 | Load board and satellite adapter device |
| CN110901964B (en) * | 2019-12-31 | 2021-09-07 | 航天科工火箭技术有限公司 | Load board and satellite adapter device |
| CN111717419A (en) * | 2020-06-02 | 2020-09-29 | 上海卫星工程研究所 | Satellite top plate suitable for installation of multiple large loads |
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Application publication date: 20140917 |
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