A telescopic throat-lock type satellite nozzle capture and connection device

Abstract

An embodiment of the present invention provides a telescopic throat-lock type satellite nozzle capture and connection device, which includes a frame (5), a driver (4), a lifter (3), a compliant device (2) and a capture head (1). Among them, the frame (5) is bowl-shaped, with the large end buckled on the outer surface of the aircraft, the small end is connected to the lifter (3), and the outer surface is used for guiding the satellite nozzle; the lifter (3) is connected to the capture head (1) through the compliant device (2) and is used for the axial extension and contraction of the satellite nozzle capture and connection device; the compliant device (2) is used for the capture head (1) to accommodate the axial deviation between the satellite nozzle (6) and the satellite nozzle capture and connection device; the capture head (1) is used for the passive collision capture and active collision unlocking of the satellite nozzle capture and connection device; the driver (4) is installed inside the frame (5) and is used to control the extension and contraction of the lifter (3).

Description

Technical Field

[0001] The present invention belongs to the technical field of satellite nozzle capture and connection, and relates to a telescopic throat-type satellite nozzle capture and connection device. Background Art

[0002] Since on-orbit satellites are not designed considering the requirements of on-orbit maintenance and lack structural features for rigid connection, the on-orbit maintenance of these satellites first requires the establishment of a rigid connection. Given the convex conical geometric features of satellite nozzles, the preferred capture and connection configuration is the cone-bar type, specifically the small cone angle and long cone bar type.

[0003] Under this background, a telescopic throat-type satellite nozzle capture and connection device is developed, which has a simple structure, is flexible and can repeatedly achieve passive collision capture and active collision unlocking. Summary of the Invention

[0004] The purpose of the present invention is to provide a telescopic throat-type satellite nozzle capture and connection device, including a frame 5, a driver 4, a lifter 3, a compliancer 2 and a capture head 1, wherein,

[0005] The frame 5 is bowl-shaped, with the large end buckled on the outer surface of the aircraft, the small end connected to the lifter 3, and the outer surface is used for guiding the satellite nozzle;

[0006] The lifter 3 is connected to the capture head 1 through the compliancer 2 and is used for the axial extension and contraction of the satellite nozzle capture and connection device;

[0007] The compliancer 2 is used for the capture head 1 to comply with the axial deviation between the satellite nozzle 6 and the satellite nozzle capture and connection device;

[0008] The capture head 1 is used for passive collision capture and active collision unlocking of the satellite nozzle capture and connection device;

[0009] The driver 4 is installed inside the frame 5 and is used to control the extension and contraction of the lifter 3.

[0010] Preferably, the capture head 1 is composed of a cap 1-1, a column 1-2, a nail A 1-3, a tongue 1-4, a pin 1-5, a spring A 1-6, a block 1-7, a ring 1-8, a nail B 1-9, a hook 1-10, a spring B 1-11, a nail C 1-12, a cone 1-13, a seat 1-14 and a nail D 1-15. Its characteristics are: one end of the column 1-2 is connected to the cap 1-1 through the nail A 1-3, the other end is connected to the cone 1-13 through the nail A 1-3, and the cone 1-13 is connected to the seat 1-14 through the nail D 1-15; the tongue 1-4 is connected to the column 1-2 through the pin 1-5, one end of the tongue 1-4 is connected to the spring A 1-6, the other end is connected to the block 1-7, the inner surface heart-shaped groove feature of the block 1-7 is connected to the cone 1-13 through the hook 1-10, the outer surface of the block 1-7 is sleeved with the ring 1-8 through the nail B 1-9, and the end face of the block 1-7 is connected to the cone 1-13 through the spring B 1-11.

[0011] Preferably, the adaptor 2 includes a first cover 2-1a, a second cover 2-1b, a spring 2-2, a cable 2-3, a gasket 2-4 and a nut 2-5. One end of the spring 2-2 is installed with a cover, and the two covers are connected through the cable 2-3 at the center. The head end of the cable 2-3 has a ball feature, the middle part of the cable 2-3 is a steel wire rope, and the tail end of the cable 2-3 has a stud feature. The tail end of the cable 2-3 is installed with the gasket 2-4. The gasket 2-4 is in the shape of a spherical crown. The gasket 2-4 and the head end of the cable 2-3 swing in the hemispherical hole of the cover 2-1. The length of the cable 2-3 is locked by the nut 2-5. The adaptor 2 can adapt to the angular change within a certain range and is used for the capture head 1 of the satellite nozzle capture connection device to adaptively probe into the throat hole.

[0012] Preferably, the lifter 3 includes a spring 3-1, a seat 3-2, a cup 3-3, a tube 3-4, a cylinder 3-5 and a cable 3-6. One end of the spring 3-1 is connected to the seat 3-2, and the other end is connected to the tube 3-4. The tube 3-4 is internally connected to the cup 3-3 through a screw and externally connected to the cylinder 3-5. The tube 3-4 is connected to the rope pulley 4-5 of the driver 4 through the cable 3-6. When the rope pulley 4-5 rotates, it drives the cable 3-6 to coil, pulling the tube 3-4 to move axially along the cylinder 3-5. The spring 3-1 is either passively compressed or naturally extended.

[0013] Preferably, the driver 4 includes a motor 4-1, a reverse stopper 4-2, a planetary reducer 4-3, a housing 4-4 and a rope pulley 4-5. The output shaft of the motor 4-1 is connected to the reverse stopper 4-2, the output end of the reverse stopper 4-2 is connected to the planetary reducer 4-3, the output shaft of the planetary reducer 4-3 is connected to the rope pulley 4-5, and the motor 4-1, the reverse stopper 4-2 and the planetary reducer 4-3 are connected to the housing 4-4 through screws. The reverse stopper 4-2 is used for reverse self-locking transmission, and the planetary reducer 4-3 is used for speed reduction and torque increase. The driver 4 is used to drive the rope pulley 4-5 to coil the cable 3-6 of the lifter 3, realizing the extension and retraction of the adaptor 2 and the capture head 1, and is used for the passive collision capture and active collision unlocking of the satellite nozzle capture connection device.

[0014] Preferably, the inner surface of the block 1-7 has a heart-shaped groove feature, which is used in combination with the hook 1-10 and the spring B1-11 for the passive collision capture and active collision unlocking of the capture head 1 of the satellite nozzle capture connection device.

[0015] Preferably, the large end of the adapted satellite nozzle 6 is a convex cone and the throat is a necking, which is convenient for the operation of the satellite nozzle capture connection device.

[0016] The beneficial effects of the present invention compared with the background technology are as follows:

[0017] 1. The telescopic lock-throat type satellite nozzle capture connection device has a simple structure and is flexible and mobile;

[0018] 2. The telescopic choke-type satellite nozzle capture and connection device can repeatedly achieve passive collision capture and active collision unlocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the vertical perspective view of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0020] Figure 2 is the horizontal perspective view of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0021] Figure 3 is the semi-sectional view of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0022] Figure 4 is the top view of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0023] Figure 5 is the view of the satellite nozzle of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0024] Figure 6 is the view of the capture head of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0025] Figure 7 is the view of the adaptor of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0026] Figure 8 is the view of the lifter of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0027] Figure 9 is the view of the driver of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0028] Figure 10 is the frame diagram of the telescopic choke-type satellite nozzle capture and connection device of the present invention;

[0029] Figure 11 is the block view of the capture head of the telescopic choke-type satellite nozzle capture and connection device of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0030] To make the above objects, features, and advantages of the present invention more obvious and understandable, the telescopic choke-type satellite nozzle capture and connection device of the present invention will be described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, a telescopic throat-lock type satellite nozzle capture and connection device of the present invention includes a frame 5, a driver 4, a lifter 3, a compliant device 2, and a capture head 1. It is characterized in that: the frame 5 is bowl-shaped, with the large end buckled on the outer surface of the aircraft, the small end connected to the lifter 3, the lifter 3 connected to the capture head 1 through the compliant device 2, and the driver 4 is installed inside the frame 5. The lifter 3 is mainly used for the axial extension and contraction of the satellite nozzle capture and connection device, the driver 4 is mainly used to control the extension and contraction of the lifter 3, the compliant device 2 is used for the capture head 1 to accommodate the axial deviation between the satellite nozzle 6 and the satellite nozzle capture and connection device, and the capture head 1 is mainly used for the passive collision capture and active collision unlocking of the satellite nozzle capture and connection device.

[0032] As Figure 5 shown, the adapted satellite nozzle 6 is characterized by its large-end convex conical feature and middle-throat necking feature, which facilitate the operation of the satellite nozzle capture and connection device.

[0033] As Figure 6 shown, the capture head 1 includes a cap 1-1, a column 1-2, a nail A 1-3, a tongue 1-4, a pin 1-5, a spring A 1-6, a block 1-7, a ring 1-8, a nail B 1-9, a hook 1-10, a spring B 1-11, a nail C 1-12, a cone 1-13, a seat 1-14, and a nail D 1-15. The column 1-2 can be set to three. One end of the three columns is connected to the cap 1-1 through the nail A 1-3, and the other end is connected to the cone 1-13 through the nail A 1-3. The cone 1-13 is connected to the seat 1-14 through the nail D 1-15, where the nails can be six; the tongue 1-4 is connected to two adjacent columns 1-2 through the pin 1-5, where the tongue can be set to three. One end of the three tongues is connected to the spring A 1-6, and the other end is connected to the block 1-7. The block can be set to three. The inner surface heart-shaped groove feature of the block 1-7 is connected to the cone 1-13 through three hooks 1-10. The outer surfaces of the three blocks 1-7 are sleeved with the ring 1-8 through the nail B 1-9. The end faces of the three blocks 1-7 are connected to the cone 1-13 through the spring B 1-11. The capture head 1 is used for the passive collision capture and active collision unlocking of the satellite nozzle capture and connection device.

[0034] As Figure 7 shown, the compliant device 2 includes a first cover 2-1a, a second cover 2-1b, a spring 2-2, a cable 2-3, a pad 2-4, and a nut 2-5, where the nut can be set to 2. One cover is installed at each end of the spring 2-2. The centers of the two covers are connected through the cable 2-3. The head end of the cable 2-3 is spherical, the middle part of the cable 2-3 is a steel wire rope, and the tail end of the cable 2-3 is a stud feature. The tail end of the cable 2-3 is installed with the pad 2-4. The pad 2-4 is spherical crown-shaped. The pad 2-4 and the head end of the cable 2-3 can swing in the hemispherical hole of the cover 2-1. The length of the cable 2-3 is fixed and locked through two nuts 2-5. The compliant device 2 can adapt to the angular change within a certain range and is used for the capture head 1 of the satellite nozzle capture and connection device to adaptively penetrate into the throat hole.

[0035] As shown Figure 8 As shown, the lifter 3 is composed of a spring 3-1, a seat 3-2, a cup 3-3, a tube 3-4, a cylinder 3-5 and a cable 3-6. It is characterized in that one end of the spring 3-1 is connected to the seat 3-2 and the other end is connected to the tube 3-4. The tube 3-4 is internally connected to the cup 3-3 by screws and externally connected to the cylinder 3-5. The tube 3-4 is connected to the rope pulley 4-5 of the driver 4 through the cable 3-6. When the rope pulley 4-5 rotates, it drives the cable 3-6 to wind, pulling the tube 3-4 to move axially along the cylinder 3-5, and the spring 3-1 is either passively compressed or naturally extended.

[0036] As shown Figure 9 As shown, the driver 4 is composed of a motor 4-1, a reverse stopper 4-2, a planetary reducer 4-3, a housing 4-4 and a rope pulley 4-5. It is characterized in that the output shaft of the motor 4-1 is connected to the reverse stopper 4-2, the output end of the reverse stopper 4-2 is connected to the planetary reducer 4-3, the output shaft of the planetary reducer 4-3 is connected to the rope pulley 4-5, and the motor 4-1, the reverse stopper 4-2 and the planetary reducer 4-3 are connected to the housing 4-4 by screws. Among them, the reverse stopper 4-2 is used for reverse self-locking transmission, and the planetary reducer 4-3 is used for speed reduction and torque increase. The driver 4 is used to drive the rope pulley 4-5 to wind the cable 3-6 of the lifter 3, realizing the extension and retraction of the adaptor 2 and the capture head 1, and is used for passive collision capture and active collision unlocking of the satellite nozzle capture connection device.

[0037] As shown Figure 10 As shown, the frame 5 is characterized by its bowl-shaped appearance. Its small end is connected to the lifter 3, its large end is connected to the aircraft, the driver 4 is installed inside, and its outer surface is used for satellite nozzle guidance.

[0038] As shown Figure 11 As shown, the block 1-7 is characterized by the heart-shaped groove feature on its inner surface. This feature is used in combination with the hook 1-10 and the spring B1-11 for passive collision capture and active collision unlocking of the capture head 1 of the satellite nozzle capture connection device.

[0039] Obviously, those skilled in the art can make various changes and modifications to the invention without departing from the spirit and scope of the invention. Thus, if these modifications and variations of the invention fall within the scope of the claims of the invention and their equivalent technologies, the invention is also intended to include these changes and modifications.

Claims

1. A telescopic throat-lock type satellite nozzle capture and connection device, characterized in that It includes a frame (5), a driver (4), a lifter (3), a compliant device (2) and a capture head (1). Among them, The frame (5) is bowl-shaped, with the large end buckled on the outer surface of the aircraft, the small end connected to the lifter (3), and the outer surface is used for satellite nozzle guidance; The lifter (3) is connected to the capture head (1) through the compliant device (2) and is used for the axial extension and contraction of the satellite nozzle capture connection device; The compliant device (2) is used for the capture head (1) to conform to the axial deviation of the satellite nozzle (6) and the satellite nozzle capture connection device; The capture head (1) is used for passive collision capture and active collision unlocking of the satellite nozzle capture connection device; The driver (4) is installed inside the frame (5) and is used to control the extension and contraction of the lifter (3); The capture head (1) includes a cap (1-1), a column (1-2), a nail A (1-3), a tongue (1-4), a pin (1-5), a spring A (1-6), a block (1-7), a ring (1-8), a nail B (1-9), a hook (1-10), a spring B (1-11), a nail C (1-12), a cone (1-13), a first seat (1-14) and a nail D (1-15); among them, one end of the column (1-2) is connected to the cap (1-1) through the nail A (1-3), the other end is connected to the cone (1-13) through the nail A (1-3), and the cone (1-13) is connected to the first seat (1-14) through the nail D (1-15); the tongue (1-4) is connected to the column (1-2) through the pin (1-5), one end of the tongue (1-4) is connected to the spring A (1-6), the other end is connected to the block (1-7), the inner surface heart-shaped groove feature of the block (1-7) is connected to the cone (1-13) through the hook (1-10), the outer surface of the block (1-7) is sleeved with the ring (1-8) through the nail B (1-9), and the end face of the block (1-7) is connected to the cone (1-13) through the spring B (1-11); The inner surface of the block (1-7) is a heart-shaped groove feature, which is used in combination with the hook (1-10) and the spring B (1-11) for passive collision capture and active collision unlocking of the capture head (1) of the satellite nozzle capture connection device; The large end of the adapted satellite nozzle (6) is a convex cone and the throat is a necking down, which is convenient for the operation of the satellite nozzle capture connection device.

2. The retractable throat-type satellite nozzle capture and connection device according to claim 1, characterized in that, The compliant device (2) includes a first cover (2-1a), a second cover (2-1b), a first spring (2-2), a first cable (2-3), a pad (2-4) and a nut (2-5). Among them, a cover is installed at each end of the first spring (2-2), and the two covers are connected through the first cable (2-3) at the center. The head end of the first cable (2-3) is a ball feature, the middle part of the first cable (2-3) is a steel wire rope, the tail end of the first cable (2-3) is a stud feature, the tail end of the first cable (2-3) is installed with the pad (2-4), the pad (2-4) is in the shape of a spherical crown, and the pad (2-4) and the head end of the first cable (2-3) swing in the hemispherical hole of the cover (2-1), and the first cable (2-3) is fixed in length and locked through the nut (2-5); the compliant device (2) adapts to the angle change and is used for the capture head (1) of the satellite nozzle capture connection device to adaptively penetrate into the throat hole.

3. The telescopic throat-lock type satellite nozzle capture and connection device according to claim 1, characterized in that, The lifter (3) includes a second spring (3-1), a second seat (3-2), a cup (3-3), a tube (3-4), a cylinder (3-5) and a second cable (3-6). One end of the second spring (3-1) is connected to the second seat (3-2), and the other end is connected to the tube (3-4). The tube (3-4) is internally connected to the cup (3-3) by a screw and externally connected to the cylinder (3-5). The tube (3-4) is connected to the rope pulley (4-5) of the driver (4) by the second cable (3-6). When the rope pulley (4-5) rotates, it drives the second cable (3-6) to coil, pulling the tube (3-4) to move axially along the cylinder (3-5), and the second spring (3-1) is either passively compressed or naturally extended.

4. The retractable choke-type satellite nozzle capture and connection device according to claim 1, characterized in that, The driver (4) includes a motor (4-1), a reverse stopper (4-2), a planetary reducer (4-3), a housing (4-4) and a rope pulley (4-5). The output shaft of the motor (4-1) is connected to the reverse stopper (4-2), the output end of the reverse stopper (4-2) is connected to the planetary reducer (4-3), the output shaft of the planetary reducer (4-3) is connected to the rope pulley (4-5), and the motor (4-1), the reverse stopper (4-2) and the planetary reducer (4-3) are connected to the housing (4-4) by screws. The reverse stopper (4-2) is used for reverse self-locking transmission, and the planetary reducer (4-3) is used for speed reduction and torque increase. The driver (4) is used to drive the rope pulley (4-5) to coil the second cable (3-6) of the lifter (3) to realize the extension and retraction of the adaptor (2) and the capture head (1), and is used for passive collision capture and active collision unlocking of the satellite nozzle capture connection device.

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