CN113787492A

CN113787492A - Electric tool for space on-orbit maintenance

Info

Publication number: CN113787492A
Application number: CN202111092395.9A
Authority: CN
Inventors: 傅浩; 杨晓宁; 王哲; 于洋; 武婷婷; 郑鹏; 郭涛
Original assignee: Beijing Institute of Spacecraft Environment Engineering
Current assignee: Beijing Institute of Spacecraft Environment Engineering
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-12-14

Abstract

The invention discloses an electric tool for space on-orbit maintenance, which comprises a machine shell and a control system, wherein a motor assembly is installed in the machine shell, the motor assembly is connected with an adapter rod, and a lithium battery is installed in the machine shell. In the invention, the space in-orbit maintenance electric tool is used in a space in-orbit environment, is suitable for operation of astronauts and disassembly and assembly of fastening devices under various working conditions, can be suitable for an over-the-air environment and is convenient for the astronauts to use, so that the workload of the astronauts can be effectively reduced, accidents and the like are prevented, and the electric tool considers various environmental conditions in the over-the-air environment, so that the application range is wider, the damage phenomenon cannot easily occur, and the service life is longer.

Description

Electric tool for space on-orbit maintenance

Technical Field

The invention relates to the technical field of space on-orbit maintenance, in particular to an electric tool for space on-orbit maintenance.

Background

In recent years, China is accelerating the construction of space stations, and as the space stations require on-orbit operation time as long as fifteen years, part of extravehicular equipment needs to be maintained and replaced in the period. The off-board equipment is connected with the cabin body by using the loose-free fastening device, and the space on-rail maintenance electric tool is used for disassembling and assembling the loose-free fastening device and is key equipment in the space on-rail maintenance tool.

Disclosure of Invention

The invention aims to: in order to solve the problems, an electric tool for space on-orbit maintenance is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an electric tool is used in maintenance of space on orbit, includes casing and control system, install motor element in the casing, motor element is connected with the adaptation pole, install the lithium cell in the casing.

Preferably, the casing includes the lithium cell box, be equipped with left shell and right shell on the casing, the top of casing is equipped with the top cap, install direction knob and starting switch on the casing, be equipped with the switch knob on the lithium cell box, install on the lithium cell box lateral wall and prevent floating the ring.

Preferably, the adapter rod comprises a locking section connected with an extension section connected with an execution section.

Preferably, the motor assembly includes a brushless dc motor, a planetary gear reducer and an output shaft.

Preferably, the lithium battery comprises a combination of single lithium batteries, a reinforced casing is arranged outside the lithium battery, a floating electric connector is arranged on the upper portion of the reinforced casing, and a pull ring is installed on the reinforced casing.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. this application is used in space in-orbit environment through space in-orbit maintenance electric tool to adapt to astronaut's operation and various operating modes carry out fastener's dismouting, can adapt to the environment in space, the astronaut of being convenient for uses, consequently can effectually alleviate astronaut's work load, prevent the condition such as accident, electric tool considers various environmental condition in space, consequently the scope of adaptation is wider, the phenomenon of damage appears in can not be easy easily, the life-span of use is longer.

2. The control system has the functions of power supply conversion, motor driving, rotating speed measurement and adjustment, torque control, overheating control, state indication and the like, can stably provide information, and is convenient for astronauts to judge the situation, so that corresponding operation is obtained.

Drawings

FIG. 1 is a schematic diagram illustrating a spatial on-track maintenance power tool provided according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a housing structure provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a schematic diagram of an adapter rod structure provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a schematic structural diagram of a motor assembly provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating a lithium battery according to an embodiment of the present invention;

illustration of the drawings:

1. a housing; 11. a lithium battery case; 12. a left shell; 13. a right shell; 14. a top cover; 15. a direction knob; 16. starting a switch; 17. a power switch knob; 18. an anti-floating ring; 2. an adapter rod; 21. a locking section; 22. an extension section; 23. an execution section; 3. a motor assembly; 31. a brushless DC motor; 32. a planetary gear reducer; 321. an output shaft; 4. a control system; 5. a lithium battery; 51. a floating electrical connector; 52. reinforcing the shell; 53. a pull ring; 54. a lithium battery cell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an electric tool is used in maintenance of space on orbit, includes casing 1 and control system 4, installs motor element 3 in the casing 1, and motor element 3 is connected with adaptation pole 2, installs lithium cell 5 in the casing 1.

Casing 1 includes lithium cell box 11, is equipped with left shell 12 and right shell 13 on the casing 1, and the top of casing 1 is equipped with top cap 14, installs direction knob 15 and starting switch 16 on the casing 1, is equipped with switch knob 17 on the lithium cell box 11, installs on the lithium cell box 11 lateral wall and prevents floating ring 18.

The adapting rod 2 comprises a locking section 21, the locking section 21 is connected with an extension section 22, the extension section 22 is connected with an execution section 23, the adapting rod can be arranged on an output shaft 321 of the electric tool and can be reliably locked, and the extension section 22 of the adapting rod 2 can be designed into different length specifications for adapting to the requirements of the electric tool on the dismounting distance without departing from a fastening device.

The motor assembly 3 includes a brushless dc motor 31, a planetary gear reducer 32, and an output shaft 321.

The lithium battery 5 comprises a combination of lithium battery cells 54, a reinforced casing 52 is arranged outside the lithium battery 5, a floating electric connector 51 is arranged on the upper part of the reinforced casing 52, and a pull ring 53 is arranged on the reinforced casing 52.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an electric tool is used in space on-orbit maintenance, includes casing (1) and control system (4), its characterized in that, install motor element (3) in casing (1), motor element (3) are connected with adaptation pole (2), install lithium cell (5) in casing (1).

2. The power tool for on-orbit maintenance in space of claim 1, wherein the casing (1) comprises a lithium battery box (11), the casing (1) is provided with a left casing (12) and a right casing (13), a top cover (14) is arranged at the top of the casing (1), the casing (1) is provided with a direction knob (15) and a starting switch (16), the lithium battery box (11) is provided with a power switch knob (17), and the side wall of the lithium battery box (11) is provided with an anti-floating ring (18).

3. A spatial on-track servicing power tool according to claim 1, characterized in that the adapter rod (2) comprises a locking section (21), an extension section (22) being connected to the locking section (21), and an execution section (23) being connected to the extension section (22).

4. A spatial on-orbit servicing power tool according to claim 1, characterized in that the motor assembly (3) comprises a brushless dc motor (31), a planetary gear reducer (32) and an output shaft (321).

5. A space on-track maintenance electric tool according to claim 1, characterized in that the lithium battery (5) comprises a combination of lithium battery cells (54), a reinforced casing (52) is provided outside the lithium battery (5), a floating electric connector (51) is provided on the upper part of the reinforced casing (52), and a pull ring (53) is mounted on the reinforced casing (52).