Lithium battery quick-insertion fixing device for carrier rocket

Abstract

The invention discloses a lithium battery quick-insertion fixing device for a carrier rocket. The lithium battery quick-insertion fixing device comprises a quick-insertion guide rod mechanism, a locking mechanism, a connecting mechanism and a releasing mechanism, wherein the bottom of the release mechanism is fixedly connected with the lithium battery; during locking, the quick-insertion guide rod mechanism is locked through the locking mechanism and then is fixed with the releasing mechanism through the connecting mechanism to press the mounting plate on the rocket, so that the lithium battery and the mounting plate on the rocket are fixed. And during releasing, the releasing mechanism is loosened firstly, then the connecting mechanism is separated from the locking mechanism, finally, the locking mechanism is unlocked, and the quick insertion guide rod mechanism is pulled out, so that the lithium battery is loosened from the mounting plate on the rocket. According to the lithium battery quick-insertion fixing device for the carrier rocket, the problems that in the installation process of the lithium battery for the carrier rocket, the lithium battery is limited by interference of an installation space and surrounding equipment, and installation operation is difficult are solved, and the installation reliability and the installation efficiency of the lithium battery for the carrier rocket are improved.

Description

Technical Field

[0001] This invention belongs to the field of lithium battery fixing technology, and particularly relates to a quick-connect fixing device for lithium batteries used in launch vehicles. Background Technology

[0002] Lithium-ion batteries have a wide range of applications. Currently, common methods for securing lithium-ion batteries include bolting, welding, riveting, and interference fits. For aerospace products, the reliability of lithium-ion battery installation and flight must be guaranteed. However, traditional bolting for lithium-ion batteries makes installation inconvenient during cabin operations. For lithium-ion batteries weighing over 20kg, installation requires at least two people, posing installation risks. If a risk occurs, it can cause abnormal power supply from the lithium-ion battery, leading to rocket launch failure. Therefore, it is essential to improve the installation reliability of lithium-ion batteries through a reasonable securing method. Summary of the Invention

[0003] The technical problem solved by this invention is to overcome the shortcomings of the prior art and provide a quick-connect fixing device for lithium batteries used in launch vehicles. This solves the problem of difficult installation operations due to limited installation space and interference from surrounding equipment during the installation of lithium batteries for launch vehicles, thereby improving the reliability and efficiency of lithium battery installation for launch vehicles.

[0004] To address the aforementioned technical problems, this invention discloses a quick-connect fixing device for a lithium battery used in a launch vehicle, comprising: a quick-connect guide rod mechanism, a locking mechanism, a connecting mechanism, and a releasing mechanism; wherein, the bottom of the releasing mechanism is fixedly connected to the lithium battery; during locking, the quick-connect guide rod mechanism is first locked by the locking mechanism, and then fixed to the releasing mechanism by the connecting mechanism, pressing the onboard mounting plate to achieve the fixing of the lithium battery to the onboard mounting plate.

[0005] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, during release, the release mechanism first loosens, then the connecting mechanism and the locking mechanism disengage, and finally the locking mechanism unlocks, allowing the quick-connect guide rod mechanism to be pulled out, thereby detaching the lithium battery from the mounting plate on the rocket.

[0006] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles

[0007] The quick-connect guide rod mechanism is used to fix the lithium battery to the mounting plate on the rocket during quick-connect installation of the lithium battery;

[0008] The locking mechanism is used to lock the quick-connect guide rod mechanism when the lithium battery is installed and fixed.

[0009] A connecting mechanism is used to connect the locking mechanism and the releasing mechanism when the lithium battery is installed and fixed in a quick-connect manner;

[0010] The release mechanism is used to lock the coupling mechanism when the lithium battery is installed and fixed in place.

[0011] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, the quick-connect guide rod mechanism includes: an axial pin stop, a fixing spring, and an axial pin; wherein, one end of the fixing spring is connected to the inner hole of the axial pin stop, and the other end is connected to the axial pin.

[0012] In the aforementioned quick-connect mounting device for lithium batteries used in launch vehicles, during the quick-connect installation and fixing of the lithium battery: the axial pin stop serves to tighten or loosen; the fixing spring adjusts the distance between the axial pin stop and the mounting plate on the rocket according to the thickness of the lithium battery mounting feet; the axial pin is used to realize the installation of the quick-connect guide rod mechanism and the locking mechanism, thereby realizing the fixing of the lithium battery to the mounting plate on the rocket.

[0013] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, the locking mechanism includes: a locking stud, a fixing pin, a locking spring, and a locking mechanism body; wherein, holes A and B are respectively provided at both ends of the locking mechanism body, and hole C is provided on the side of the locking mechanism body; the locking stud, fixing pin, and locking spring are installed in sequence and are placed inside hole C of the locking mechanism body.

[0014] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, the connecting mechanism includes: a connecting shaft, a tapered flange, and a connecting pin; wherein the tapered flange and the connecting pin are fixed by the connecting shaft.

[0015] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, the release mechanism includes: a release mechanism body, two release studs, two release springs, and two release pins; wherein, the bottom of the release mechanism body is fixedly connected to the lithium battery, a hole D is provided at the center of the release mechanism body, and two holes E are provided on the two symmetrical sides of the release mechanism body respectively; the release pins, release springs, and release studs are installed in sequence and are placed inside the holes E of the release mechanism body as a whole.

[0016] In the aforementioned quick-connect mounting device for lithium batteries used in launch vehicles, during the quick-connect installation and fixing of the lithium battery, the following applies:

[0017] During locking, the axial pin of the quick-connect guide rod mechanism is inserted into hole A of the locking mechanism body of the locking mechanism. Pressure is applied to the fixed pin through the locking stud, locking the axial pin. The locking spring is between the fixed pin and the axial pin to prevent direct hard contact. The tapered flange of the connecting mechanism is inserted into hole B of the locking mechanism body of the locking mechanism. The tapered flange of the connecting mechanism and the locking mechanism body of the locking mechanism are fixed a second time to prevent loosening and ensure the reliability of the fixation between the lithium battery and the mounting plate on the arrow. The connecting pin of the connecting mechanism is inserted into hole D of the release mechanism body of the release mechanism. Pressure is applied to the release pin through the release stud, locking the connecting pin. The release spring is between the release pin and the connecting pin to prevent direct hard contact. The bottom surface of the axial pin stopper presses against the mounting plate on the arrow to fix the lithium battery to the mounting plate on the arrow.

[0018] During release, loosen the release stud, the release spring pops out the release pin, releasing the locking of the connecting pin; the connecting mechanism disengages from the locking mechanism; loosen the locking stud, the locking spring pops out the fixing pin, releasing the locking of the axial pin; pull out the quick-connect guide rod mechanism to detach the lithium battery from the mounting plate on the rocket.

[0019] In the aforementioned quick-connect fixing device for lithium batteries used in launch vehicles, the axial pin stop, spring, axial pin, locking stud, fixing pin, locking spring, locking mechanism body, connecting shaft, tapered flange, connecting pin, release mechanism body, release stud, release spring, and release pin are all made of alloy materials.

[0020] The present invention has the following advantages:

[0021] (1) This invention discloses a quick-connect fixing device for lithium batteries used in launch vehicles, which can be operated by a single person in a small space, and can be quickly disassembled and assembled with high installation efficiency.

[0022] (2) This invention discloses a quick-connect fixing device for lithium batteries in launch vehicles. It is simple in principle, reliable in performance, and suitable for use in launch vehicle applications where in-cabin installation and high reliability requirements are required. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a quick-connect fixing device for a lithium battery in a launch vehicle according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the installation of a lithium battery and an on-rocket mounting plate in an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of a quick-connect guide rod mechanism according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of a locking mechanism in an embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of a connecting mechanism in an embodiment of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of a release mechanism in an embodiment of the present invention. Detailed Implementation

[0029] 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.

[0030] Reference Figures 1-2In this embodiment, the quick-connect fixing device for the lithium battery of the launch vehicle includes: a quick-connect guide rod mechanism 1, a locking mechanism 2, a connecting mechanism 3, and a release mechanism 4. The bottom of the release mechanism 4 is fixedly connected to the lithium battery 19. During locking, the quick-connect guide rod mechanism 1 is first locked by the locking mechanism 2, and then fixed to the release mechanism 4 by the connecting mechanism 3, pressing against the onboard mounting plate 20 to fix the lithium battery 19 to the onboard mounting plate 20. During release, the release mechanism 4 is first released, then the connecting mechanism 3 disengages from the locking mechanism 2, and finally the locking mechanism 2 unlocks, allowing the quick-connect guide rod mechanism 1 to be pulled out, thus detaching the lithium battery 19 from the onboard mounting plate 20.

[0031] In this embodiment, the quick-connect guide rod mechanism 1 is mainly used to fix the lithium battery 19 to the mounting plate 20 on the arrow when the lithium battery 19 is quickly connected and fixed; the locking mechanism 2 is mainly used to lock the quick-connect guide rod mechanism 1 when the lithium battery 19 is quickly connected and fixed; the connecting mechanism 3 is mainly used to connect the locking mechanism 2 and the release mechanism 4 when the lithium battery 19 is quickly connected and fixed; and the release mechanism 4 is mainly used to lock the connecting mechanism 3 when the lithium battery 19 is quickly connected and fixed.

[0032] In this embodiment, as Figure 3 As shown, the quick-connect guide rod mechanism 1 specifically includes: an axial pin stop 5, a fixing spring 6, and an axial pin 7. One end of the fixing spring 6 is connected to the inner hole of the axial pin stop 5, and the other end is connected to the axial pin 7. During the quick-connect installation and fixing of the lithium battery 19: the axial pin stop 5 tightens or loosens; the fixing spring 6 mainly adjusts the distance between the axial pin stop 5 and the mounting plate 20 according to the thickness of the mounting feet of the lithium battery 19; the axial pin 7 mainly functions to realize the installation of the quick-connect guide rod mechanism 1 and the locking mechanism 2, thereby fixing the lithium battery 19 to the mounting plate 20.

[0033] In this embodiment, as Figure 4 As shown, the locking mechanism 2 specifically includes: a locking stud 8, a fixing pin 9, a locking spring 10, and a locking mechanism body 11. The locking mechanism body 11 has holes A and B at both ends, and a hole C on its side. The locking stud 8, fixing pin 9, and locking spring 10 are installed sequentially and are all housed within the hole C of the locking mechanism body 11.

[0034] In this embodiment, as Figure 5 As shown, the connecting mechanism 3 specifically includes: a connecting shaft 12, a tapered flange 13, and a connecting pin 14. The tapered flange 13 and the connecting pin 14 are fixed by the connecting shaft 12.

[0035] In this embodiment, as Figure 6As shown, the release mechanism 4 includes: a release mechanism body 15, two release studs 16, two release springs 17, and two release pins 18. The bottom of the release mechanism body 15 is fixedly connected to the lithium battery 19. A hole D is provided at the center of the release mechanism body 15, and two holes E are provided on each of the two symmetrical sides of the release mechanism body 15. The release pins 18, release springs 17, and release studs 16 are installed sequentially and are all housed within the holes E of the release mechanism body 15.

[0036] In this embodiment, when the lithium battery 19 is quickly installed and fixed, the following applies:

[0037] During locking, the axial pin 7 of the quick-connect guide rod mechanism 1 is inserted into the hole A of the locking mechanism body 11 of the locking mechanism 2. Pressure is applied to the fixing pin 9 through the locking stud 8 to lock the axial pin 7. The locking spring 10 is between the fixing pin 9 and the axial pin 7 to prevent direct hard contact. The tapered flange 13 of the connecting mechanism 3 is inserted into the hole B of the locking mechanism body 11 of the locking mechanism 2. The tapered flange 13 of the connecting mechanism 3 and the locking mechanism body 11 of the locking mechanism 2 are fixed for a second time to prevent loosening and ensure the reliability of the fixing of the lithium battery 19 and the arrow mounting plate 20. The connecting pin 14 of the connecting mechanism 3 is inserted into the hole D of the releasing mechanism body 15 of the releasing mechanism 4. Pressure is applied to the releasing pin 18 through the releasing stud 16 to lock the connecting pin 14. The releasing spring 17 is between the releasing pin 18 and the connecting pin 14 to prevent direct hard contact. The bottom surface of the axial pin stopper 5 presses against the arrow mounting plate 20 to fix the lithium battery 19 to the arrow mounting plate 20.

[0038] When released, the release stud 16 is loosened, the release spring 17 pops out the release pin 18, and the locking of the connecting pin 14 is released; the connecting mechanism 3 is disengaged from the locking mechanism 2; the locking stud 8 is loosened, the locking spring 10 pops out the fixing pin 9, and the locking of the axial pin 7 is released; the quick-connect guide rod mechanism 1 is pulled out, and the lithium battery 19 is released from the mounting plate 20 on the rocket.

[0039] In this embodiment, the axial pin stopper 5, spring 6, axial pin 7, locking stud 8, fixing pin 9, locking spring 10, locking mechanism body 11, connecting shaft 12, tapered flange 13, connecting pin 14, release mechanism body 15, release stud 16, release spring 17 and release pin 18 are all made of alloy material.

[0040] 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.

[0041] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. A quick-connect fixing device for a lithium battery in a launch vehicle, characterized in that, include: The quick-connect guide rod mechanism (1), locking mechanism (2), connecting mechanism (3) and release mechanism (4) are provided; the bottom of the release mechanism (4) is fixedly connected to the lithium battery (19); when locking, the quick-connect guide rod mechanism (1) is first locked by the locking mechanism (2), and then fixed to the release mechanism (4) by the connecting mechanism (3), pressing the mounting plate (20) on the arrow to achieve the fixation of the lithium battery (19) and the mounting plate (20) on the arrow.

2. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 1, characterized in that, When released, the release mechanism (4) is first released, the connecting mechanism (3) and the locking mechanism (2) are then separated, and finally the locking mechanism (2) is unlocked, and the quick-connect guide rod mechanism (1) is pulled out, thereby detaching the lithium battery (19) from the mounting plate (20) on the arrow.

3. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 1, characterized in that, The quick-connect guide rod mechanism (1) is used to fix the lithium battery (19) to the mounting plate (20) on the arrow when the lithium battery (19) is quickly connected and fixed. The locking mechanism (2) is used to lock the quick-connect guide rod mechanism (1) when the lithium battery (19) is installed and fixed in a quick-connect manner; The connecting mechanism (3) is used to connect the locking mechanism (2) and the releasing mechanism (4) when the lithium battery (19) is quickly installed and fixed; Release mechanism (4) is used to lock the coupling mechanism (3) when the lithium battery (19) is quickly inserted and fixed.

4. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 1, characterized in that, The quick-connect guide rod mechanism (1) includes: an axial pin stop (5), a fixed spring (6) and an axial pin (7); wherein one end of the fixed spring (6) is connected to the inner hole of the axial pin stop (5) and the other end is connected to the axial pin (7).

5. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 4, characterized in that, When the lithium battery (19) is installed and fixed by quick insertion: the axial pin stop (5) is used to tighten or loosen; the fixing spring (6) adjusts the distance between the axial pin stop (5) and the arrow mounting plate (20) according to the thickness of the mounting feet of the lithium battery (19); the axial pin (7) is used to realize the installation of the quick insertion guide rod mechanism (1) and the locking mechanism (2), thereby realizing the fixation of the lithium battery (19) and the arrow mounting plate (20).

6. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 5, characterized in that, The locking mechanism (2) includes: a locking stud (8), a fixing pin (9), a locking spring (10), and a locking mechanism body (11); wherein, holes A and B are respectively provided at both ends of the locking mechanism body (11), and a hole C is provided on the side of the locking mechanism body (11); the locking stud (8), the fixing pin (9), and the locking spring (10) are installed in sequence and are placed in the hole C of the locking mechanism body (11).

7. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 6, characterized in that, The connecting mechanism (3) includes: a connecting shaft (12), a tapered flange (13), and a connecting pin (14); wherein the tapered flange (13) and the connecting pin (14) are fixed by the connecting shaft (12).

8. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 7, characterized in that, The release mechanism (4) includes: a release mechanism body (15), two release studs (16), two release springs (17), and two release pins (18); wherein, the bottom of the release mechanism body (15) is fixedly connected to the lithium battery (19), a hole D is provided in the center of the release mechanism body (15), and two holes E are provided on the two symmetrical sides of the release mechanism body (15); the release pins (18), release springs (17), and release studs (16) are installed in sequence and placed in the holes E of the release mechanism body (15).

9. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 8, characterized in that, When the lithium battery (19) is quickly installed and fixed, the following applies: During locking, the axial pin (7) of the quick-connect guide rod mechanism (1) is inserted into the hole A of the locking mechanism body (11) of the locking mechanism (2), and pressure is applied to the fixing pin (9) through the locking stud (8) to lock the axial pin (7). The locking spring (10) is between the fixing pin (9) and the axial pin (7) to avoid direct hard contact. The tapered flange (13) of the connecting mechanism (3) is inserted into the hole B of the locking mechanism body (11) of the locking mechanism (2), and the tapered flange (13) of the connecting mechanism (3) and the locking mechanism body (11) of the locking mechanism (2) are locked for a second time. The connection mechanism (3) is used to prevent loosening and ensure the reliability of fixing the lithium battery (19) to the mounting plate (20) on the arrow. The connecting pin (14) of the connecting mechanism (3) is inserted into the hole D of the release mechanism body (15) of the release mechanism (4). The release stud (16) applies pressure to the release pin (18) to lock the connecting pin (14). The release spring (17) is between the release pin (18) and the connecting pin (14) to avoid direct hard contact. The bottom surface of the axial pin stopper (5) presses against the mounting plate (20) on the arrow to fix the lithium battery (19) to the mounting plate (20). When released, the release stud (16) is loosened, the release spring (17) pops out the release pin (18), and the locking of the connecting pin (14) is released; the connecting mechanism (3) is disengaged from the locking mechanism (2); the locking stud (8) is loosened, the locking spring (10) pops out the fixing pin (9), and the locking of the axial pin (7) is released; the quick-connect guide rod mechanism (1) is pulled out, and the lithium battery (19) is released from the mounting plate (20) on the arrow.

10. The quick-connect fixing device for lithium batteries in launch vehicles according to claim 8, characterized in that, The axial pin stop (5), spring (6), axial pin (7), locking stud (8), fixing pin (9), locking spring (10), locking mechanism body (11), connecting shaft (12), tapered flange (13), connecting pin (14), release mechanism body (15), release stud (16), release spring (17) and release pin (18) are all made of alloy material.

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