Quick cable plugging and unplugging device for carrier rocket

By designing a rapid disconnection and reconnection device for launch vehicle cables, and utilizing a power mechanism and a four-axis drive mechanism to achieve automated disconnection and reconnection of cable sockets and plugs, the safety risks and low efficiency caused by manual operation in existing technologies are solved, thereby improving the safety and efficiency of launch vehicle cable connections.

CN121395009APending Publication Date: 2026-01-23SHANGHAI INST OF SPACE POWER SOURCES
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Patent Information

Application Number
CN202511426351.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

In existing technologies, the insertion and removal of the cable network on the arrow requires manual operation, which poses safety risks and is inefficient.

Method used

A rapid disconnection and reconnection device for launch vehicle cables was designed, including a power mechanism, a four-axis drive mechanism, and a cable telescopic mechanism. The device uses a stepper motor to drive a gear, which in turn drives a rack and a slide rail to achieve automated disconnection and reconnection of the cable socket and plug.

Benefits of technology

It enables rapid insertion and disconnection of cable plugs and sockets under unmanned operation, improving operational safety and efficiency, and is suitable for cable connections in launch vehicles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a quick cable releasing and inserting device for a carrier rocket. The quick cable releasing and inserting device comprises a power mechanism, a four-axis driving mechanism and a cable telescoping mechanism, the power mechanism is connected with the four-axis driving mechanism, and the four-axis driving mechanism is connected with the cable telescoping mechanism; the power mechanism drives the four-axis driving mechanism to move back and forth in a reciprocating mode, the four-axis driving mechanism moves back and forth in a reciprocating mode to drive the cable telescopic mechanism to stretch out and draw back, and therefore the rocket cable socket and the ground cable plug can be separated from each other. According to the rapid cable plugging and unplugging device for the carrier rocket, rapid plugging and unplugging of the ground cable plug and the rocket cable socket can be achieved without human intervention, the plugging and unplugging efficiency of the ground cable plug and the rocket cable socket is improved, and personnel safety is guaranteed.
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Description

Technical Field

[0001] This invention belongs to the field of launch vehicle technology, and particularly relates to a quick disconnection and disconnection device for launch vehicle cables. Background Technology

[0002] Currently, common methods for disconnecting and removing onboard cable networks include manual insertion / removal and mechanically assisted insertion / removal. For aerospace products, it is essential to ensure the safety of personnel and the reliability of the onboard cable network disconnection and removal. However, both manual and mechanically assisted insertion / removal require operators to access cable plugs from towers tens of meters high, which is inconvenient and poses safety risks to the operators. Summary of the Invention

[0003] The technical problem solved by this invention is to overcome the shortcomings of the prior art and provide a rapid plug-and-play device for cables used in launch vehicles, which can realize the rapid plug-and-play of ground cable plugs and on-rocket cable sockets, improve the efficiency of plugging and unplugging ground cable plugs and on-rocket cable sockets, and ensure personnel safety.

[0004] To address the aforementioned technical problems, this invention discloses a rapid cable disconnection and reconnection device for launch vehicles, comprising: a power mechanism, a four-axis drive mechanism, and a cable telescopic mechanism; wherein, the power mechanism is connected to the four-axis drive mechanism, and the four-axis drive mechanism is connected to the cable telescopic mechanism; the power mechanism drives the four-axis drive mechanism to reciprocate, and the reciprocating motion of the four-axis drive mechanism drives the telescopic motion of the cable telescopic mechanism, thereby realizing the disconnection and reconnection of the onboard cable socket and the ground cable plug.

[0005] In the aforementioned rapid disconnection and disconnection device for launch vehicle cables, the power mechanism includes: a stepper motor, gears, and bearings; wherein the output shaft of the stepper motor is connected to the gears via bearings.

[0006] In the aforementioned rapid disconnection and release device for launch vehicle cables, the output shaft of the stepper motor is interference-fitted with the bearing, and the gear is interference-fitted with the bearing.

[0007] In the aforementioned rapid cable disconnection and disconnection device for launch vehicles, the four-axis drive mechanism includes: a main plate, a first slide rail, a second slide rail, a third slide rail, a fourth slide rail, a first rack, a second rack, a third rack, and a fourth rack; wherein, the main plate is divided into upper and lower layers; the first and second slide rails are installed on the upper layer of the main plate along a first direction; the third and fourth slide rails are respectively installed on the lower layer of the main plate along a second direction; the first and second directions are perpendicular to each other; the first rack, the second rack, the third rack, and the fourth rack are respectively installed on the third slide rail, the fourth slide rail, the second slide rail, and the first slide rail.

[0008] In the aforementioned rapid disconnection and disconnection device for launch vehicle cables, the gear is located at the center and meshes with the first rack, second rack, third rack, and fourth rack, respectively.

[0009] In the aforementioned rapid insertion / disconnection device for launch vehicle cables, the cable extension mechanism includes: a first on-rocket cable socket, a first cable clamp, a second on-rocket cable socket, a second cable clamp, a third on-rocket cable socket, a third cable clamp, a fourth on-rocket cable socket, and a fourth cable clamp; wherein the first cable clamp, the second cable clamp, the third cable clamp, and the fourth cable clamp are respectively mounted on a first rack, a second rack, a third rack, and a fourth rack; the first on-rocket cable socket, the second on-rocket cable socket, the third on-rocket cable socket, and the fourth on-rocket cable socket are respectively mounted on the first cable clamp, the second cable clamp, the third cable clamp, and the fourth cable clamp.

[0010] In the aforementioned rapid disconnection and disconnection device for launch vehicle cables, during the disconnection and disconnection process between the onboard cable socket and the ground cable plug: the stepper motor operates, driving the gear to rotate clockwise or counterclockwise, thereby driving the first rack, second rack, third rack, and fourth rack to move along the third slide rail, fourth slide rail, second slide rail, and first slide rail respectively, thus driving the first cable clamp, second cable clamp, third cable clamp, and fourth cable clamp to perform telescopic movements, realizing the disconnection and disconnection of the first onboard cable socket, second onboard cable socket, third onboard cable socket, and fourth onboard cable socket from the corresponding ground cable plug.

[0011] In the aforementioned rapid insertion / disconnection device for launch vehicle cables, the first rack, second rack, third rack, and fourth rack simultaneously extend and retract under gear drive to ensure the consistency of insertion / disconnection between the cable sockets on the first, second, third, and fourth rockets and their corresponding ground cable plugs.

[0012] The present invention has the following advantages:

[0013] (1) This invention discloses a rapid insertion and removal device for cables used in launch vehicles. It can quickly connect and disconnect ground cable plugs and on-rocket cable sockets without human intervention after the launch vehicle is vertically installed behind the launch tower. Before launch, it can quickly disconnect ground cable plugs and on-rocket cable sockets without human intervention, thereby improving the efficiency of insertion and removal of ground cable plugs and on-rocket cable sockets and ensuring personnel safety.

[0014] (2) This invention discloses a quick disconnection and disconnection device for launch vehicle cables. It is simple in principle, safe and reliable, and is especially suitable for situations where launch vehicles (in vertical state) are disconnected from ground cables and where high reliability is required. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the structure of a rapid disconnection and reconnection device for a launch vehicle cable in an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the structure of a power mechanism in an embodiment of the invention;

[0017] Figure 3 This is a schematic diagram of the structure of a four-axis drive mechanism in an embodiment of the invention;

[0018] Figure 4 This is a schematic diagram of the structure of a cable telescopic mechanism in an embodiment of the invention. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments disclosed in the present invention will be described in further detail below with reference to the accompanying drawings.

[0020] Reference Figure 1 In this embodiment, the rapid cable disconnection / disconnection device for the launch vehicle includes: a power mechanism 1, a four-axis drive mechanism 2, and a cable telescopic mechanism 3. The power mechanism 1 is connected to the four-axis drive mechanism 2, and the four-axis drive mechanism 2 is connected to the cable telescopic mechanism 3. The power mechanism 1 drives the four-axis drive mechanism 2 to reciprocate, and the reciprocating motion of the four-axis drive mechanism 2 drives the telescopic motion of the cable telescopic mechanism 3, thereby achieving the disconnection / disconnection of the onboard cable socket from the ground cable plug.

[0021] In this embodiment, as Figure 2 As shown, the power mechanism 1, serving as the power source for the cable quick-connect / disconnect device, includes a stepper motor 4, a gear 5, and a bearing 6. The output shaft of the stepper motor 4 is connected to the gear 5 via the bearing 6. Both the output shaft of the stepper motor 4 and the bearing 6 are interference-fitted.

[0022] In this embodiment, as Figure 3As shown, the four-axis drive mechanism 2 includes: a main plate 7, a first slide rail 8, a second slide rail 9, a third slide rail 10, a fourth slide rail 11, a first rack 12, a second rack 13, a third rack 14, and a fourth rack 15. The main body plate 7 is divided into upper and lower layers; the first slide rail 8 and the second slide rail 9 are installed on the upper layer of the main body plate 7 along the first direction; the third slide rail 10 and the fourth slide rail 11 are installed on the lower layer of the main body plate 7 along the second direction; the first direction and the second direction are perpendicular to each other; the first rack 12, the second rack 13, the third rack 14 and the fourth rack 15 are respectively installed on the third slide rail 10, the fourth slide rail 11, the second slide rail 9 and the first slide rail 8; the gear 5 is located in the center and meshes with the first rack 12, the second rack 13, the third rack 14 and the fourth rack 15 respectively; the first rack 12, the second rack 13, the third rack 14 and the fourth rack 15 simultaneously perform telescopic movements under the drive of the gear 5 to ensure the consistency of the insertion and disconnection of the first arrow cable socket 16, the second arrow cable socket 18, the third arrow cable socket 20 and the fourth arrow cable socket 22 with the corresponding ground cable plugs.

[0023] In this embodiment, as Figure 4 As shown, the cable telescopic mechanism 3 includes: a first arrow-mounted cable socket 16, a first cable clamp 17, a second arrow-mounted cable socket 18, a second cable clamp 19, a third arrow-mounted cable socket 20, a third cable clamp 21, a fourth arrow-mounted cable socket 22, and a fourth cable clamp 23. The first cable clamp 17, the second cable clamp 19, the third cable clamp 21, and the fourth cable clamp 23 are respectively mounted on the first rack 12, the second rack 13, the third rack 14, and the fourth rack 15; the first arrow-mounted cable socket 16, the second arrow-mounted cable socket 18, the third arrow-mounted cable socket 20, and the fourth arrow-mounted cable socket 22 are respectively mounted on the first cable clamp 17, the second cable clamp 19, the third cable clamp 21, and the fourth cable clamp 23.

[0024] In this embodiment, the working principle of the rapid cable disconnection device for the launch vehicle is as follows: During the disconnection process between the onboard cable socket and the ground cable plug: the stepper motor 4 works, driving the gear 5 to rotate clockwise or counterclockwise, thereby driving the first rack 12, the second rack 13, the third rack 14 and the fourth rack 15 to move along the third slide rail 10, the fourth slide rail 11, the second slide rail 9 and the first slide rail 8 respectively, thereby driving the first cable clamp 17, the second cable clamp 19, the third cable clamp 21 and the fourth cable clamp 23 to perform telescopic movements, realizing the disconnection of the first onboard cable socket 16, the second onboard cable socket 18, the third onboard cable socket 20 and the fourth onboard cable socket 22 from the corresponding ground cable plug.

[0025] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solutions of the present invention by utilizing the methods and techniques disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention shall fall within the protection scope of the technical solutions of the present invention.

[0026] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. A quick-connect / disconnect device for cables used in launch vehicles, characterized in that, include: The system comprises a power mechanism (1), a four-axis drive mechanism (2), and a cable telescopic mechanism (3); wherein the power mechanism (1) is connected to the four-axis drive mechanism (2), and the four-axis drive mechanism (2) is connected to the cable telescopic mechanism (3); the power mechanism (1) drives the four-axis drive mechanism (2) to reciprocate back and forth, and the reciprocating motion of the four-axis drive mechanism (2) drives the telescopic motion of the cable telescopic mechanism (3), thereby realizing the disconnection and insertion of the cable socket on the arrow and the cable plug on the ground.

2. The rapid insertion / disconnection device for launch vehicle cables according to claim 1, characterized in that, The power mechanism (1) includes a stepper motor (4), a gear (5) and a bearing (6); wherein the output shaft of the stepper motor (4) is connected to the gear (5) through the bearing (6).

3. The rapid insertion / disconnection device for launch vehicle cables according to claim 2, characterized in that, The output shaft of the stepper motor (4) is interference-fitted with the bearing (6), and the gear (5) is interference-fitted with the bearing (6).

4. The rapid insertion / disconnection device for launch vehicle cables according to claim 2, characterized in that, The four-axis drive mechanism (2) includes: a main plate (7), a first slide rail (8), a second slide rail (9), a third slide rail (10), a fourth slide rail (11), a first rack (12), a second rack (13), a third rack (14), and a fourth rack (15); wherein, the main plate (7) is divided into upper and lower layers; the first slide rail (8) and the second slide rail (9) are installed on the upper layer of the main plate (7) along a first direction; the third slide rail (10) and the fourth slide rail (11) are respectively installed on the lower layer of the main plate (7) along a second direction; the first direction and the second direction are perpendicular to each other; the first rack (12), the second rack (13), the third rack (14), and the fourth rack (15) are respectively installed on the third slide rail (10), the fourth slide rail (11), the second slide rail (9), and the first slide rail (8).

5. The rapid insertion / disconnection device for launch vehicle cables according to claim 4, characterized in that, The gear (5) is located at the center and meshes with the first rack (12), the second rack (13), the third rack (14) and the fourth rack (15) respectively.

6. The rapid insertion / removal device for launch vehicle cables according to claim 5, characterized in that, The cable telescopic mechanism (3) includes: a first arrow-mounted cable socket (16), a first cable clamp (17), a second arrow-mounted cable socket (18), a second cable clamp (19), a third arrow-mounted cable socket (20), a third cable clamp (21), a fourth arrow-mounted cable socket (22), and a fourth cable clamp (23); wherein, the first cable clamp (17), the second cable clamp (19), the third cable clamp (21), and the fourth cable clamp (23) are respectively mounted on the first rack (12), the second rack (13), the third rack (14), and the fourth rack (15); the first arrow-mounted cable socket (16), the second arrow-mounted cable socket (18), the third arrow-mounted cable socket (20), and the fourth arrow-mounted cable socket (22) are respectively mounted on the first cable clamp (17), the second cable clamp (19), the third cable clamp (21), and the fourth cable clamp (23).

7. The rapid insertion / disconnection device for launch vehicle cables according to claim 6, characterized in that, During the process of disconnecting and disconnecting the on-arrow cable socket from the ground cable plug: the stepper motor (4) works, driving the gear (5) to rotate clockwise or counterclockwise, thereby driving the first rack (12), the second rack (13), the third rack (14) and the fourth rack (15) to move along the third slide rail (10), the fourth slide rail (11), the second slide rail (9) and the first slide rail (8) respectively, thereby driving the first cable clamp (17), the second cable clamp (19), the third cable clamp (21) and the fourth cable clamp (23) to perform telescopic movements, realizing the disconnection and disconnection of the first on-arrow cable socket (16), the second on-arrow cable socket (18), the third on-arrow cable socket (20) and the fourth on-arrow cable socket (22) from the corresponding ground cable plug.

8. The rapid insertion / disconnection device for launch vehicle cables according to claim 7, characterized in that, The first rack (12), the second rack (13), the third rack (14) and the fourth rack (15) move simultaneously under the drive of the gear (5) to ensure the consistency of the insertion and disconnection of the first arrow cable socket (16), the second arrow cable socket (18), the third arrow cable socket (20) and the fourth arrow cable socket (22) with the corresponding ground cable plug.

Citation Information

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