CN112319851B - Large-scale boxboard formula communication cabin structure - Google Patents
Large-scale boxboard formula communication cabin structure Download PDFInfo
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- CN112319851B CN112319851B CN202011126006.5A CN202011126006A CN112319851B CN 112319851 B CN112319851 B CN 112319851B CN 202011126006 A CN202011126006 A CN 202011126006A CN 112319851 B CN112319851 B CN 112319851B
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- 238000004891 communication Methods 0.000 title claims abstract description 40
- 241000274582 Pycnanthus angolensis Species 0.000 title claims abstract description 16
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- 238000005192 partition Methods 0.000 claims abstract description 84
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 239000012141 concentrate Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
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- 238000012546 transfer Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 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
- B64G1/1007—Communications satellites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
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Abstract
The utility model provides a large-scale boxboard formula communication cabin structure, from the inside to outside division board and planking of being geometrically, cabin body space is divided into lower cabin, well cabin, upper deck by 2 layers of horizontal plate from the bottom up. From the assembly relation, the lower cabin partition plate, the middle cabin partition plate, the 2 layers of horizontal plates and the north-south outer plates are not detachable, so that an inner framework with assembly modularization manufacturability is formed; the upper cabin partition plate and the floor are not detachable, so that a local general assembly modularized manufacturability antenna cabin structure is formed; the 10 east-west plates, the antenna cabin structure and the inner framework are mutually detachable; from the force transmission system, the large mass load of the communication cabin is mainly distributed on the outer plates of east, west, south, north and earth, and the invention gradually concentrates the large mass dispersed load from the outer plates and finally collects the large mass dispersed load at the joint of the platform cabin of the communication cabin. The communication cabin structure of the invention provides the installation area of the external load of the cabin body as large as 40 square meters, and ensures the connection requirements of large-area load, large-channel repeaters and large-area load cabin heat dissipation.
Description
Technical Field
The invention relates to a large-scale boxboard type communication cabin structure, and belongs to the technical field of satellite structure design.
Background
The current satellite structure has larger bearing capacity and is a communication satellite, the prior art adopts a central force bearing cylinder type configuration, the maximum bearing capacity of the traditional communication satellite structure in China is about 5600kg, the communication effective load weight is 600kg, and the transponder access is 24 ways.
In the existing 5600kg left and right communication satellite, the corresponding structure is a central force bearing cylinder configuration scheme, a platform and a load cabin are integrated, and the load cabin structure does not exist as a set of complete structure. Under the condition that a platform is not arranged, the requirement of dimensional shape can be met only by a complex external auxiliary tool, and the connecting points of the load cabin and the connecting interface of the central bearing cylinder of the platform are more and complex. The fuel storage tank is arranged in the platform bearing cylinder, and the fuel storage tank is arranged in series, so that the center bearing cylinder type configuration mass center is higher, and the rigidity and the structural efficiency of the whole satellite are reduced. The height is matched with the height of the fuel storage tank, and the height of the bearing cylinder also determines the height of the load cabin, so that the capacity of the load cabin is closely related to the maximum height of the fuel storage tank, and the expandability of the capacity of the load cabin is correspondingly reduced.
The existing pure-deck type structural satellite is basically based on a force transmission system from outside to inside by a partition plate and an outer plate to a cabin supporting point, and the structure is relatively more effective due to a relatively longer force transmission path from outside to inside, and is more commonly used in the field of small-sized spacecrafts of 1500kg or below due to smaller bearing capacity of a pure-deck type local joint.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the large-scale boxboard type communication cabin structure is provided, and is suitable for a communication satellite load cabin structure with the communication effective load weight reaching 1650kg and the transponder access reaching 140 paths of requirements. The cabin body structure of the invention consists of honeycomb sandwich structure plates and is geometrically divided into a partition plate and an outer plate from inside to outside, and the cabin body space is divided into a lower cabin, a middle cabin and an upper cabin from bottom to top by 2 layers of horizontal plates. From the assembly relation, the lower cabin partition plate, the middle cabin partition plate, the 2 layers of horizontal plates and the north and south outer plates are not detachable, so that an inner framework with assembly modularization manufacturability is formed; the upper cabin partition plate and the floor are not detachable, so that a local assembly modularization manufacturability antenna cabin structure is formed; the 10 east-west plates, the antenna cabin structure and the inner framework are mutually detachable; from the force transmission system, the large mass load of the communication cabin is mainly distributed on the outer plates of east, west, south, north and earth, and the invention gradually concentrates the large mass dispersed load from the outer plates and finally collects the large mass dispersed load at the joint of the platform cabin of the communication cabin.
The purpose of the invention is realized by the following technical scheme:
a large-scale boxboard type communication cabin structure comprises four outer plates positioned on the periphery, horizontal plates and partition plates positioned in the four outer plates, and a counter floor; two opposite outer plates are selected from the four outer plates to serve as fixed outer plates, and the other two opposite outer plates serve as movable outer plates; the pair of floors are detachably arranged at one ends of the four outer plates;
the horizontal plates are used for layering the space surrounded by the four outer plates, and the partition plates are used for separating each layer of space;
the partition board is divided into two parts, one part is fixedly connected with the pair of floors, the partition board is detachably connected with the four outer boards and the horizontal board, and the other part of the partition board is detachably connected with the movable outer board and is fixedly connected with the horizontal board and the fixed outer board; the horizontal plate is detachably connected with the movable outer plate and is fixedly connected with the fixed outer plate;
on the end face opposite to the pair of floors, the connecting point of the partition board and the movable outer board and the connecting point of the partition board and the fixed outer board are used for bearing force together.
In the large-sized box plate type communication cabin structure, preferably, the horizontal plate divides the area surrounded by the outer plate into three layers, wherein two layers close to the floor are sequentially used as a first layer and a second layer, and the first layer and the second layer are both divided into a shape like a Chinese character tian by the partition plate; the rest layer is used as a third layer, and the partition plates in the third layer are arranged according to the shape of the Chinese character 'ao'; the top point of the cursive head is used for bearing force.
Above-mentioned large-scale boxboard formula communication cabin structure, preferably, planking, horizontal plate, baffle all adopt honeycomb sandwich structure board to make.
In the above large-sized box plate type communication cabin structure, preferably, the middle layer of the surrounding area of the outer plate of the movable outer plate is provided with a load supporting beam, and the load supporting beam is flush with two of the straw-shaped partition plates in the third layer.
In the above large-sized box plate type communication cabin structure, preferably, the positions of the partition boards in the first layer and the second layer are the same.
Preferably, the fixed outer plate is provided with an annular embedded part for positioning connection with an external solar wing.
In the above large-sized box plate type communication cabin structure, preferably, the fixed outer plate is provided with an expandable heat radiator interface.
In the large-sized box plate type communication cabin structure, preferably, the movable outer plate is provided with a trapezoidal opening and a rectangular groove.
The large-sized box plate type communication cabin structure is preferably a horizontal plate used for separating the second layer from the third layer, and is connected with the movable outer plate through the joint and the double-side flanging angle bars.
In the above large-sized box plate type communication cabin structure, preferably, the movable outer plate is connected with the fixed outer plate through a comb-shaped corner strip.
Compared with the prior art, the invention has the following beneficial effects:
(1) The cabin body structure comprises all outer plates, partition plates, horizontal plates and two cabin joints positioned at the top points of the partition plates, and a set of complete structural bearing system taking the outer plates as main bearing force is formed together. The lower end of the load cabin is provided with 6 groups of supporting joints connected with the platform, and the connection form is simple and convenient. The whole structure of the load cabin is favorable for independent assembly with the platform, and the modularization of the sub-cabin is more thorough and direct. The formed outer plate bearing system is suitable for point connection of a large truss type satellite platform structure, large-load installation is ensured, and the lightweight requirement of a communication cabin structure is met.
(2) Measures such as increasing the shearing resistance by using common screws and the like ensure the bearing of the movable outer side plate and ensure the force transmission system of the outer plate; the cross partition plates of the middle cabin partition plate and the upper cabin partition plate ensure the internal support and transmission of load, ensure enough operating space of the middle cabin partition plate and the upper cabin partition plate and ensure the final assembly manufacturability; the + -shaped bulkhead ensures that the support of the lateral loads of the load compartment is transferred to the 6 platform connection support joints at the vertex of the bulkhead; due to the design of the east-west middle plate embedded supporting beam, the longitudinal load transfer transition between the internal cross-shaped partition plate and the "+" -shaped partition plate is ensured in the outer plate force transmission system;
(3) Under the condition that a large number of exposed spoke cold head shielding structures arranged on the east and west surfaces are used for installing and disassembling channels, measures such as a trapezoidal opening, a special-shaped rectangular shallow groove, a comb-shaped corner strip and the like of a east-west plate are used, and the contradiction coordination problems that the force is reliably transferred by a detachable outer plate and the convenience of a general assembly operation process is ensured are solved;
(4) The communication cabin structure of the invention provides the installation area of the external load of the cabin body as large as 40 square meters, 112 radiation cold head outer plate installation gaps and 4 expandable large-area heat radiator installation interfaces, thereby ensuring the connection requirements of large-area load, large-passage repeaters and large-area load cabin heat dissipation.
Drawings
FIG. 1 is an overall assembly schematic of a large-scale boxboard communication cabin structure of the present invention;
FIG. 2 is an exploded view of the large-scale boxboard communication pod configuration of the present invention;
FIG. 3 is an illustration of the assembly of the inner frame of the large boxboard communication cabin structure of the present invention;
FIG. 4 is a schematic view of the bottom hypsomic baffle and the two-compartment connecting joint of the inner frame of the present invention;
FIG. 5 is a schematic representation of the present invention for increasing the shear capacity of the screw and the longitudinal load transfer of the removable outer panel;
FIG. 6 is a schematic representation of the east-west midplane buried support beam of the present invention ensuring the transitional transfer of the longitudinal load from the cruciform baffle to the + -shaped baffle;
FIG. 7 is a schematic view of the cruciform baffle of the present invention transferring lateral load with the + - [ shaped baffle;
fig. 8 is a schematic view of the situation that various types of annular embedded parts embedded in the north-south plates provide solar wing interfaces;
FIG. 9 shows the insertion direction of the east-west lower plate, the middle plate and the upper plate in connection and installation under the condition of ensuring that the connection with the spoke cold head fixedly connected with the inner frame is not interfered;
FIG. 10 is a partial illustration of the case where the trapezoidal openings, rectangular slots, and common connecting corner bars (boxes) of the east-west upper plate and the west middle plate are fitted and nested with one another to ensure effective connection without interference with the spoke cold head;
fig. 11 is a schematic view of the passage gap between the east-west upper plate and the middle plate mounting insert plate as viewed from above in fig. 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In order to meet the connection requirement that the weight of a communication payload reaches 1650kg and the path of a repeater reaches 140 paths, the large-scale boxboard type communication cabin structure is provided, and the specific implementation mode is as follows.
A large-scale boxboard type communication cabin structure comprises four outer plates positioned on the periphery, horizontal plates and partition plates positioned in the four outer plates, and a counter floor; selecting two opposite outer plates as fixed outer plates from the four outer plates, and taking the other two opposite outer plates as movable outer plates; the pair of floors are detachably arranged at one ends of the four outer plates;
the horizontal plates are used for layering the space surrounded by the four outer plates, and the partition plates are used for separating each layer of space;
the partition board is divided into two parts, one part is fixedly connected with the floor, the partition board is detachably connected with the four outer boards and the horizontal board, and the other part is detachably connected with the movable outer board and is fixedly connected with the horizontal board and the fixed outer board; the horizontal plate is detachably connected with the movable outer plate and is fixedly connected with the fixed outer plate;
on the end face (back to the ground) opposite to the floor, the connecting point of the partition board and the movable outer board and the connecting point of the partition board and the fixed outer board are used for bearing force together. The outer plate, the horizontal plate and the partition plate are all made of honeycomb sandwich structure plates.
The horizontal plate divides the area surrounded by the outer plate into three layers, wherein two layers close to the counter floor are sequentially used as a first layer and a second layer, and the first layer and the second layer are both divided into a Chinese character 'tian' shape by the partition plate; the rest layer is used as a third layer, and the partition plates in the third layer are arranged according to the shape of a Chinese character 'ao' -shaped head; the top of the head shape is used for bearing force.
The middle layer of the surrounding area of the outer plate of the movable outer plate is provided with a load supporting beam which is flush with two of the straw-shaped head-shaped partition plates in the third layer. The position of the separator in the first layer is the same as that in the second layer. The movable outer plate is provided with a trapezoidal opening and a rectangular groove. And the horizontal plate is used for separating the second layer from the third layer and is connected with the movable outer plate by adopting a joint and a bilateral turnup angle bar.
And the fixed outer plate is provided with an annular embedded part for positioning connection with an external solar wing. The fixed outer plate is provided with an expandable heat radiator interface. The movable outer plate is connected with the fixed outer plate through the comb-shaped angle bars.
The embodiment is as follows:
the cabin structure of the invention consists of honeycomb sandwich structure plates, and is geometrically divided into partitions (a north-south partition 101, a lower cabin east + Y shear plate 102, a lower cabin west-Y shear plate 103, a lower cabin east-Y shear plate 104, a lower cabin west + Y shear plate 105, an east-down horizontal plate 106, a west-down horizontal plate 107, a middle cabin east partition 108, a middle cabin west partition 109, an upper horizontal plate 110, an antenna cabin north-south partition 201, an antenna cabin east partition 202 and an antenna cabin west partition 203) and outer plates (a south plate 111, a north plate 112, a counter floor 204, an east-down plate 301, a west-down plate 401, an east-middle + Y plate 302, a west-middle-Y plate 402, an east-middle-Y plate 303, a west-middle + Y plate 403, an east-upper plate 304, a west-upper plate 404 and an antenna cabin pair floor 204) from inside to outside, and a cabin space is divided into a lower cabin, a middle cabin and an upper cabin from bottom to top by 2 horizontal plates (an east-down horizontal plate 106, a west-down horizontal plate 107 and an upper horizontal plate 110) as shown in figures 1-4.
From the assembly relation, the lower cabin partition plate, the middle cabin partition plate, the 2 layers of horizontal plates and the north-south outer plates (the north-south partition plate 101, the lower cabin east + Y shear plate 102, the lower cabin west-Y shear plate 103, the lower cabin east-Y shear plate 104, the lower cabin west + Y shear plate 105, the east-down horizontal plate 106, the west-down horizontal plate 107, the middle cabin east partition plate 108, the middle cabin west partition plate 109, the upper horizontal plate 110, the south plate 111 and the north plate 112) are not detachable, so that an inner framework with the assembly modularization manufacturability is formed, as shown in fig. 3 and 4; the upper cabin partition plate and the opposite floor (the antenna cabin north-south partition plate 201, the antenna cabin east partition plate 202, the antenna cabin west partition plate 203 and the antenna cabin opposite floor 204) are not detachable, so that a local general assembly modularization manufacturability antenna cabin structure is formed; the 10 east and west boards (east board 3, west board 4), the antenna bay structure 2, the inner frame 1 are detachable from each other as shown in fig. 2.
From the force transmission system, the large mass load of the communication cabin is mainly distributed on the outer plates (east plate 3, west plate 4, south plate 111, north plate 112 and opposite floor 204), the invention gradually concentrates the large mass load from the outer plates and finally converges the large mass load at the platform cabin joints (two cabin joints 1011, 1012, 1021, 1031, 1041 and 1051) of the communication cabin, as shown in fig. 6.
The lower part of the lower horizontal plate (east lower horizontal plate 106 and west lower horizontal plate 107) of the inner framework of the invention is a lower cabin, the lower cabin partition plates (north-south plate 101, lower cabin east + Y shear plate 102, lower cabin west-Y shear plate 103, lower cabin east-Y shear plate 104 and lower cabin west + Y shear plate 105) are arranged in a shape like a Chinese character "+" -with 1 horizontal and 2 vertical, and the corresponding top points are connected with 6 two cabin joints (two cabin joints 1011, 1012, 1021, 1031, 1041 and 1051) as shown in figure 4.
A middle cabin is arranged between the lower horizontal plates (the east lower horizontal plate 106 and the west lower horizontal plate 107) and the upper horizontal plate (the upper horizontal plate 110) of the inner framework, the partition plates (the north-south partition plate 101, the middle cabin east partition plate 108 and the middle cabin west partition plate 109) of the middle cabin are in a cross-shaped layout, one of the cross-shaped partitions of the middle cabin is aligned with one of the cross-shaped partitions of the lower cabin, and the two parts are combined into the north-south partition plate 101 penetrating through the two cabins, as shown in figures 3 and 4.
Detachable east-west lower plates (an east-west lower plate 301 and a west-west lower plate 401) are respectively arranged on east-west sides of the lower cabin, are minimum units and are not detached any more, but allow a non-main force transmission area to carry out opening weight reduction; the east-west lower plate and the outer side edge of the lower cabin clapboard are connected by using large joints (an east + Y large joint 1023 and an east-Y large joint 1043) and double-side flanging angle bars (an east + Y side 1022, an east-Y side 1042, a west + Y side 1052 and a west-Y side 1032), so that the sufficient number of connection points is ensured, the joints are connected by using M6 screws, the rest parts are connected by using M5 screws, and the detachable east-west plate can transmit load through the friction force of the connecting screws by reasonable screw connection number and increasing screw connection specification, as shown in figure 5.
The east-west middle plates are detachably mounted on the east-west two sides of the middle cabin respectively, and are divided into 4 plates (east-middle + Y plate 302, east-middle-Y plate 303, west-middle + Y plate 403 and west-middle-Y plate 402) by the middle cabin partition plate; load support beams (an east + Y support beam 3021, an east-Y support beam 3031, a west + Y support beam 4031, and a west-Y support beam 4021) are respectively embedded in the east-west middle plate, the beam axis is flush with the outer side edges (an east + Y side edge 1022, an east-Y side edge 1042, a west + Y side edge 1052, and a west-Y side edge 1032) of the lower cabin partition plate, longitudinal loads on the floor are transmitted to the support beams through the side edges of the cross partition plate, dispersed loads of the east-west middle plate are gradually concentrated through the support beams, and finally transmitted to east-west two cabin connecting nodes (an east + Y joint 1021, an east-Y joint 1041, a west + Y joint 1051, and a west-Y joint 1031) through side joint corner strips of the lower cabin partition plate, as shown in FIG. 6.
The detachable east-west upper plates (east upper plate 304 and west upper plate 404) are respectively arranged on the east side and the west side of the upper cabin of the invention, as shown in fig. 2.
The antenna cabin partition plate is in a cross-shaped layout, and the cross shape of the antenna cabin partition plate is completely aligned with the cross shape of the middle cabin partition plate, as shown in fig. 3 and 7.
The large-mass longitudinal load on the floor is gradually transferred downwards and outwards to the east-west, south-north outer plates through the cross partition plate of the antenna cabin and the cross partition plate of the middle cabin, and finally transferred to the connecting joints of the two cabins; the large-mass longitudinal load of the north plate, the south plate, the east plate, the west plate and the north plate is directly transmitted to the two cabin joints through the plate; through the mode, the outer plate force transmission system of the communication cabin structure is realized, the force transmission path is direct, and the structural efficiency is greatly improved, as shown in fig. 5, 6 and 7.
The connecting side of the east-west lower plate and the lower horizontal plate is provided with a plurality of upward trapezoidal notches 3011; a plurality of trapezoidal notches 3031 in the outward direction are formed in the connecting side edge of the east-west middle plate and the south-north plate; a plurality of special-shaped shallow grooves 3032 and 3033 are provided at the connecting side edge of the east-west middle plate and the upper horizontal plate, the lower horizontal plate provides an upper elevated angle bar, and the upper horizontal plate provides a lower elevated angle bar; a plurality of downward trapezoidal notches 3041 are provided at the connecting side edge of the east-west upper plate and the upper horizontal plate; an outward rectangular shallow groove 3042 is provided between the east-west upper plate and the north-south plate, and a plurality of separation gaps are formed after the comb-shaped angle strips 1113 and 1123 fixedly connected with the north-south plate are connected; the notch shallow grooves keep away from structural connection points, and particularly keep a certain distance from a large joint area; under the condition that the spoke cold head is fixedly connected with the inner framework and occupies the side length of a large-area structural plate, the structural plate cannot be directly attached and installed, the design ensures that the east-west lower plate can be vertically and detachably slid, and the east-west middle plate can be horizontally and detachably slid; after the trapezoidal notch on the outer side of the east-west middle plate slides out from the lower part of the spoke cold head, the open area of the upper shallow groove and the lower shallow groove of the middle plate always ensures that the corresponding shielding area of the spoke cold head is covered, and the edge of the shallow groove is connected by the heightening corner strip; the east-west upper plate can be vertically slid and disassembled, the open area of the shallow groove at the outer side of the east-west upper plate is always ensured to cover the corresponding spoke cold head shielding area, and the elevated comb-shaped angle bars are connected with the edge of the shallow groove, as shown in figures 9, 10 and 11.
The south-north plate of the invention provides an annular embedded part 1114 as a solar wing connection positioning interface, wherein the integral precision of 6 bosses of the embedded part is mechanically ensured for the installation planeness of the solar wing, wherein step cylindrical surfaces are processed on the inner sides of the 6 bosses, and the 6 step cylindrical surfaces are combined to be used as the solar wing installation positioning interface; the embedded parts can obtain embedded parts 1115 and 1116 after being combined with a common structure connecting hole sleeve and a telescopic hole sleeve, the solar wing interface embedded part can improve the rigidity of a solar wing interface and reduce the emission vibration response of the solar wing after being combined with a structure, and the embedded parts are shown in fig. 8.
The north-south board of the present invention provides 4 deployable heat radiator interfaces, as shown in fig. 3.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are not particularly limited to the specific examples described herein.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make possible variations and modifications of the present invention using the method and the technical contents disclosed above without departing from the spirit and scope of the present invention, and therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are all within the scope of the present invention.
Claims (4)
1. A large-scale boxboard type communication cabin structure is characterized by comprising four outer plates positioned on the periphery, horizontal plates and partition plates positioned in the four outer plates, and a counter floor; selecting two opposite outer plates as fixed outer plates from the four outer plates, and taking the other two opposite outer plates as movable outer plates; the pair of floors are detachably arranged at one ends of the four outer plates;
the horizontal plates are used for layering the space surrounded by the four outer plates, and the partition plates are used for separating each layer of space;
the partition board is divided into two parts, one part is fixedly connected with the pair of floors, the partition board is detachably connected with the four outer boards and the horizontal board, and the other part of the partition board is detachably connected with the movable outer board and is fixedly connected with the horizontal board and the fixed outer board; the horizontal plate is detachably connected with the movable outer plate and is fixedly connected with the fixed outer plate;
on the end face opposite to the pair of floors, the connecting point of the partition board and the movable outer board and the connecting point of the partition board and the fixed outer board are jointly used for bearing force;
the horizontal plate divides the area surrounded by the outer plate into three layers, wherein two layers close to the counter floor are sequentially used as a first layer and a second layer, and the first layer and the second layer are both divided into a Chinese character 'tian' shape by the partition plate; the rest layer is used as a third layer, and the partition plates in the third layer are arranged according to the shape of a Chinese character 'ao' -shaped head; the vertex of the head shape is used for bearing force;
the horizontal plate is used for separating the second layer from the third layer and is connected with the movable outer plate by adopting a joint and a bilateral turnup angle bar;
the movable outer plate is provided with a trapezoidal opening and a rectangular groove;
the fixed outer plate is provided with an annular embedded part for positioning connection with an external solar wing; the boss of the embedded part is used for ensuring the installation flatness of the solar wing, and a step cylindrical surface is processed on the inner side of the boss to be used as an installation positioning interface of the solar wing;
all the outer plates, the partition plates, the horizontal plates and the two cabin joints positioned at the top of the partition plates form a set of complete structural bearing system taking the outer plates as main bearing force;
the fixed outer plate is provided with an expandable heat radiator interface; the movable outer plate is connected with the fixed outer plate through the comb-shaped angle bars.
2. The large-scale boxboard communication cabin structure according to claim 1, wherein the outer boards, the horizontal boards and the partition boards are all made of honeycomb sandwich structure boards.
3. A large-scale boxboard communication cabin structure according to claim 1, characterized in that the mobile outer board is provided with load supporting beams in the middle layer of the outer board surrounding area, and the load supporting beams are flush with two of the straw-head shaped clapboards in the third layer.
4. A large boxboard communication cabin structure according to claim 1, wherein the partitions in the first and second layers are in the same position.
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| CN202011126006.5A CN112319851B (en) | 2020-10-20 | 2020-10-20 | Large-scale boxboard formula communication cabin structure |
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| CN202011126006.5A CN112319851B (en) | 2020-10-20 | 2020-10-20 | Large-scale boxboard formula communication cabin structure |
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| CN113022888B (en) * | 2021-05-28 | 2021-08-10 | 北京最终前沿深空科技有限公司 | Satellite structure and satellite assembly method |
| CN113911396A (en) * | 2021-09-30 | 2022-01-11 | 北京空间飞行器总体设计部 | Secondary modular structure with adjustable connection and mounting and dismounting method thereof |
| CN113879561B (en) * | 2021-11-16 | 2022-09-16 | 北京微纳星空科技有限公司 | Cube star platform and cube star |
| CN114234836B (en) * | 2021-11-16 | 2023-12-19 | 北京卫星制造厂有限公司 | Method for assembling large complex sealed cabin structure of space station in part |
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| US5755406A (en) * | 1995-12-22 | 1998-05-26 | Hughes Electronics | Modular, independent subsystem design satellite bus and variable communication payload configurations and missions |
| EP3095714A1 (en) * | 2015-05-19 | 2016-11-23 | Airbus DS GmbH | Modular satellite |
| CN105510734B (en) * | 2015-11-26 | 2018-07-24 | 中国空间技术研究院 | A kind of satellite ground systems grade electrical property verification platform |
| CN108820263B (en) * | 2018-06-19 | 2020-03-06 | 上海卫星工程研究所 | Mixed nested layered stepped satellite platform configuration |
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2020
- 2020-10-20 CN CN202011126006.5A patent/CN112319851B/en active Active
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