CN-118047054-B - Assembled multi-star adapter

Abstract

The invention relates to an assembled multi-star adapter, which comprises an outer frame with a hexagonal cross section, wherein the inner part of the outer frame is divided into a plurality of triangular areas by an inner frame with a triangular cross section, the assembled multi-star adapter also comprises cover plates which are respectively arranged on the upper side and the lower side of the outer frame, the two cover plates are respectively detachably connected with the outer frame through a plurality of outer plate connecting shafts and locking nuts, the inner frame is also detachably connected with the outer frame through an inner plate connecting shaft, mounting holes are circumferentially arranged at intervals on the outer edge of each cover plate, and the technical problems that the conventional satellite adapter in the prior art is weak in radial bearing capacity, poor in reliability, complex in structure, weak in adapting capacity and high in manufacturing cost are solved through the structural design of the assembled multi-star adapter.

Inventors

• LIU YIAN
• JI BAOFENG
• YAN XIAOJIN
• WANG GANG
• ZHANG LIANG
• HAN YU

Assignees

• 天津爱思达航天科技股份有限公司
• 北华航天工业学院

Dates

Publication Date

20260512

Application Date

20240314

Claims (6)

1. 1. The assembled multi-star adapter is characterized by comprising an outer frame (1) with a hexagonal cross section, wherein the inner part of the outer frame (1) is divided into a plurality of triangular areas by an inner frame with a triangular cross section, and cover plates (3) respectively arranged at the upper side and the lower side of the outer frame (1); The two cover plates (3) are detachably connected with the outer frame (1) through a plurality of outer plate connecting shafts (4) and locking nuts (8), the inner frame is detachably connected with the two cover plates (3) through an inner plate connecting shaft (5), and the inner frame is also detachably connected with the outer frame (1) through a connecting plate connecting shaft (7); the outer edge of each cover plate (3) is circumferentially provided with mounting holes (6) at intervals, and the outer frame (1) is formed by alternately connecting and surrounding three first outer plates (101) and three second outer plates (102); The left and right ends of each first outer plate (101) are respectively provided with an A end sleeve (1011) and a B end sleeve (1012), the left and right sides of the second outer plate (102) are respectively provided with a C end sleeve (1021) and a D end sleeve (1022), each B end sleeve (1012) and the adjacent C end sleeve (1021) are arranged in a staggered manner, and each A end sleeve (1011) and the adjacent D end sleeve (1022) are arranged in a staggered manner; The inner frame comprises three inner plates (201), wherein E-end sleeves (2011) and F-end sleeves (2012) are respectively arranged on the left side and the right side of the inner end surface of each inner plate (201), and the E-end sleeves (2011) and the F-end sleeves (2012) are arranged in a dislocation manner; An E end sleeve (2011) of one inner plate (201) is hinged with an F end sleeve (2012) of an adjacent inner plate (201) through an inner plate connecting shaft (5) into a whole, the F end sleeve (2012) of the inner plate (201) is hinged with an E end sleeve (2011) of an adjacent other inner plate (201) through the inner plate connecting shaft (5), a plurality of G end sleeves (1013) are distributed at intervals along the height at the left end of the inner side surface of each first outer plate (101), a plurality of H end sleeves (1023) are distributed at intervals along the height at the right end of the inner side surface of the second outer plate (102), a plurality of I end sleeves (2013) which are arranged at intervals along the height and are staggered with each G end sleeve (1013) are arranged at one end of the outer side surface of the inner plate (201), each G end sleeve (1013) and the corresponding I end sleeve (2013) are hinged with each connecting plate connecting shaft (7) into a whole, J end sleeve (2014) which is arranged at intervals with the H end sleeve (1023) is arranged at the other, a plurality of H end sleeves (2014) which are staggered with each H end sleeve (2013) are arranged at the other, a plurality of through connecting shafts (20132) which are arranged at the connecting shafts which are arranged at the same time, and the connecting plate (32) are embedded with each connecting plate (32), the locking nuts (8) are embedded in the embedded grooves (32) and are fixedly connected with the outer plate connecting shaft (4) in a threaded manner; The inner end surface of the cover plate (3) is circumferentially provided with outer inserting grooves (33) for inserting the first outer plate (101) and the second outer plate (102) at intervals, the gap between the two adjacent outer inserting grooves (33) is provided with outer positioning holes (34), the bottom of each outer plate connecting shaft (4) is penetrated and assembled with the corresponding outer positioning hole (34) and is screwed and fixed with a locking nut (8), the inner end surface of the cover plate (3) is also circumferentially provided with inner inserting grooves (35) for inserting the inner plate (201), the gap between the two adjacent inner inserting grooves (35) is provided with inner positioning holes (36), and the bottom of each inner plate connecting shaft (5) is tightly matched and inserted and fixed with the corresponding inner positioning hole (36); The inner end surface of the cover plate (3) is also provided with connecting positioning holes (37) which are respectively arranged at two sides of each inner positioning hole (36), and the bottom of each connecting plate connecting shaft (7) is in tight fit and plug connection with the corresponding connecting positioning hole (37).
2. 2. The fabricated multi-star adapter of claim 1 wherein shock absorbing pads are mounted in both the inner locating holes (36) and the connecting locating holes (37).
3. 3. The assembled multi-star adapter according to claim 2, wherein the cover plate (3) is provided with cover plate lightening holes (38) which are in one-to-one correspondence with the triangular areas inside the outer frame (1).
4. 4. A fabricated multi-star adapter according to claim 3, wherein the first outer plate (101) is provided with a first lightening hole (1014) and the second outer plate (102) is provided with a second lightening hole (1024).
5. 5. The fabricated multi-star adapter of claim 4 wherein the inner plate (201) is provided with an inner plate lightening hole (2015).
6. 6. The fabricated multi-star adapter of claim 5 wherein the first outer plate (101), the second outer plate (102), the inner plate (201) and the cover plate (3) are all metal.

Description

Assembled multi-star adapter Technical Field The invention relates to the technical field of aircrafts, in particular to an assembled multi-star adapter. Background The satellite adapter is used for connecting the satellite and the carrier rocket and transmitting load. The satellite adapter is a key structure for influencing the performances of satellite connection rigidity, whole satellite dynamic response characteristic, satellite-rocket separation and the like. With the rapid development of domestic commercial satellite scale, the need for highly reliable, efficient, low cost adapters is becoming increasingly urgent. CN111532452a discloses a multi-star distributor bearing structure, which comprises a bearing cylinder, wherein a first end of the bearing cylinder is provided with a first inner reinforced Chinese character 'ji', a second end of the bearing cylinder is provided with a second inner reinforced Chinese character 'ji', the section of the bearing cylinder is circular, the supporting shape structure is a net structure which is axially distributed, the net structure has better axial stress performance, but the net structure is slightly weaker in radial stress due to no special increase of support in radial direction, and deformation failure is easy to occur when radial load exists. CN114044174a discloses a multi-star distributor with a beam-plate combined structure, which comprises bracket side plates, wherein two adjacent bracket side plates are connected through upright posts, the support structure at the bottom of the beam-plate structure is 3 bracket supporting legs with smaller radial dimensions, and the design is a multi-star distributor with larger shaft diameter, which can lead to weaker bending moment resistance and weaker radial load bearing capacity of the bottom support. If the size of the bottom bracket supporting leg is increased, the weight is increased, the size is larger, and the requirements of actual working conditions are not met. CN116659318a discloses a multi-star adapter, which has complex structure, difficult processing and manufacturing of parts, and high cost in the earlier stage of mold design, processing and the like. Accordingly, there is an urgent need to provide a fabricated multi-star adapter in view of the above-mentioned problems. Disclosure of Invention The invention aims to provide an assembled multi-star adapter, which solves the technical problems of weak radial bearing capacity, poor reliability, complex structure of part of the adapter, weak adapting capacity and high manufacturing cost of the existing satellite adapter in the prior art by the structural design of the assembled multi-star adapter. The invention provides an assembled multi-star adapter, which comprises an outer frame with a hexagonal cross section, wherein the inner part of the outer frame is divided into a plurality of triangular areas by an inner frame with a triangular cross section, and the assembled multi-star adapter also comprises cover plates which are respectively arranged on the upper side and the lower side of the outer frame; The two cover plates are detachably connected with the outer frame through a plurality of outer plate connecting shafts and locking nuts respectively, the inner frame is detachably connected with the two cover plates through an inner plate connecting shaft, and the inner frame is also detachably connected with the outer frame through a connecting plate connecting shaft; mounting holes are circumferentially distributed at intervals on the outer edge of each cover plate. Preferably, the outer frame is formed by alternately connecting and enclosing three first outer plates and three second outer plates; the left end and the right end of each first outer plate are respectively provided with an A end sleeve and a B end sleeve, the left side and the right side of each second outer plate are respectively provided with a C end sleeve and a D end sleeve, each B end sleeve and the adjacent C end sleeve are arranged in a staggered manner, and each A end sleeve and the adjacent D end sleeve are arranged in a staggered manner; The A end sleeves of the first outer plates are hinged with the D end sleeves of the adjacent second outer plates into a whole through outer plate connecting shafts, and the B end sleeves of the first outer plates are hinged with the C end sleeves of the adjacent second outer plates into a whole through outer plate connecting shafts. Preferably, the inner frame comprises three inner plates, the left and right sides of the inner end surface of each inner plate are respectively provided with an E end sleeve and an F end sleeve, and the E end sleeves and the F end sleeves are arranged in a staggered manner; The E end sleeve of one inner plate is hinged with the F end sleeve of the adjacent inner plate through an inner plate connecting shaft into a whole, and the F end sleeve of the inner plate is hinged with the E end sleeve of the adjacent other inner