Battery fixing device and unmanned ship

Abstract

The utility model discloses a battery fixing device and an unmanned ship, and relates to the technical field of unmanned ships. The battery fixing device comprises a base and a rotating piece hinged to the base, wherein the rotating piece rotates in a plane parallel to the base; the base is arranged on an installation shell of the unmanned ship and located on the side edge of a battery of the unmanned ship. The rotating piece comprises a mounting part extending to one surface, deviating from the mounting shell, of the battery, and an elastic piece is convexly arranged on the mounting part and is positioned between the mounting part and the battery; the rotating part is driven to rotate from the first rotating position to the second rotating position, and the elastic part is extruded by the rotating part and the battery to deform, so that the battery is tightly attached to the mounting shell. The elastic piece is pressed and deformed in the process of rotating the rotating piece, so that the battery completely presses the mounting shell, the fixing process is more convenient, the elastic piece is not easy to move after being fixed, and the connection stability of the battery and the mounting shell is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned boats, and in particular to a battery fixing device and an unmanned boat. Background Art

[0002] An unmanned ship is an unmanned vessel that has many advantages such as automation, intelligence, energy saving and environmental protection. It is widely used in the fields of ocean exploration, underwater archaeology, marine engineering, transportation, etc. In order to extend the operating time, unmanned ships usually use replaceable batteries, so the batteries need to be frequently removed and installed.

[0003] Existing unmanned boats usually use screw fixing or rolling band binding to fix the battery, which makes the battery installation and removal process complicated and reduces work efficiency. In addition, the battery fixing method using screw fixing or rolling band binding is prone to screw slippage or rolling band breakage, resulting in poor connection stability between the battery and the mounting shell. Utility Model Content

[0004] The utility model aims to provide a battery fixing device and an unmanned boat, which can enable the battery to be quickly and stably installed on the installation shell of the unmanned boat, thereby improving the connection stability and working efficiency.

[0005] The embodiment of the utility model is achieved as follows:

[0006] One aspect of the utility model provides a battery fixing device, comprising a base and a rotating member hinged on the base, the rotating member can rotate in a plane parallel to the base; the base is arranged on the mounting shell of the unmanned boat and is located on the side of the battery of the unmanned boat; the rotating member comprises a mounting portion, the mounting portion extends to a side of the battery away from the mounting shell, an elastic member is protruding from the mounting portion, and the elastic member is located between the mounting portion and the battery; the rotating member is driven to rotate from a first rotation position to a second rotation position, the elastic member is squeezed and deformed by the rotating member and the battery, so that the battery and the mounting shell are tightly fitted.

[0007] Optionally, the height of the elastic member protruding from the mounting portion gradually increases along the rotation path from the first rotation position to the second rotation position.

[0008] Optionally, a friction block is fixedly provided on a side of the rotating member facing the base, and the rotating member can drive the friction block to rotate along the base, and the friction block is used to provide a reverse supporting force to the rotating member.

[0009] Optionally, a groove is provided on the side of the friction block facing the base, and a first ball and a second ball are provided on the side of the base facing away from the mounting shell. The first ball is set at a first rotation position, and the second ball is set at a second rotation position. The first ball and the second ball can be clamped in the groove of the pre-friction block; when the rotating part rotates from the first rotation position to the second rotation position, the friction block disengages from the first ball and rotates along the base to be clamped with the second ball to fix the rotating part.

[0010] Optionally, a limit platform is provided on the base along the rotation path of the rotating member, and when the friction block moves to the second rotation position and is locked with the second bead, the limit platform abuts against the side of the friction block away from the first rotation position.

[0011] Optionally, the rotating member further includes a handle, through which the mounting portion and the elastic member can be driven to rotate, and the elastic member is a rubber block.

[0012] Optionally, a weight-reducing hole is provided on the handle.

[0013] Optionally, the base includes a first mounting hole, and the first mounting hole is used to pass a fixing member to fix the base to the mounting shell.

[0014] Optionally, the base includes a second mounting hole, the rotating member is provided with a third mounting hole coaxially arranged with the second mounting hole, and screws are inserted through the second mounting hole and the third mounting hole in sequence to hinge the rotating member with the base.

[0015] Another aspect of the utility model provides an unmanned boat, including a mounting shell, a battery and a battery fixing device, the mounting shell is recessed with a mounting groove, the battery is embedded in the mounting groove, the base of the battery fixing device is fixedly connected to the mounting shell and is arranged on the side of the battery; the rotating part of the battery fixing device is attached to the surface of the battery.

[0016] Optionally, the rotating member can rotate relative to the base in a plane parallel to the base along a first rotation direction so that the battery fits tightly against the mounting shell; the battery is tilted relative to the mounting shell so that part of the battery protrudes from the mounting groove, and the height of the battery protruding from the mounting groove gradually decreases along the rotation path direction of the rotating member in the first rotation direction.

[0017] The beneficial effects of the present invention include at least one of the following:

[0018] The present application provides a battery fixing device, including a base and a rotating member hinged on the base, the rotating member can rotate in a plane parallel to the base; the base is arranged on the mounting shell of the unmanned boat and is located on the side of the battery of the unmanned boat; the rotating member includes a mounting portion, the mounting portion extends to the side of the battery away from the mounting shell, a rubber block is convexly provided on the mounting portion, and an elastic member is located between the mounting portion and the battery; the rotating member is driven to rotate from a first rotation position to a second rotation position, and the elastic member is squeezed and deformed by the rotating member and the battery, so that the battery and the mounting shell are tightly fitted. The above-mentioned battery fixing device squeezes and deforms the elastic member during the process of rotating the rotating member, thereby completely pressing the battery against the mounting shell, making the fixing process faster and easier to operate, and the elastic member is not easy to move after fixing, thereby improving the connection stability between the battery and the mounting shell.

[0019] The present application also provides an unmanned boat, including a mounting shell, a battery and a battery fixing device, wherein the mounting shell is concavely provided with a mounting groove, the battery is embedded in the mounting groove, the base of the battery fixing device is fixedly connected to the mounting shell and arranged on the side of the battery; the rotating part of the battery fixing device is attached to the surface of the battery. The above-mentioned unmanned boat can quickly install or remove the battery through the battery fixing device, making the battery replacement process simpler and more convenient, and improving the working efficiency and operation time of the unmanned boat. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 One of the structural schematic diagrams of the battery fixing device provided in the embodiment of the utility model;

[0022] Figure 2 A second structural schematic diagram of a battery fixing device provided in an embodiment of the utility model;

[0023] Figure 3 A third structural schematic diagram of a battery fixing device provided in an embodiment of the utility model;

[0024] Figure 4 A schematic diagram of the structure of a base of a battery fixing device provided in an embodiment of the utility model;

[0025] Figure 5 A schematic diagram of the structure of a friction block of a battery fixing device provided in an embodiment of the utility model;

[0026] Figure 6A schematic diagram of the structure of a rotating member of a battery fixing device provided in an embodiment of the utility model;

[0027] Figure 7 One of the structural schematic diagrams of the unmanned boat provided by the embodiment of the utility model;

[0028] Figure 8 The second structural schematic diagram of the unmanned boat provided in the embodiment of the utility model.

[0029] Icons: 100-battery fixing device; 110-base; 111-first bead; 112-second bead; 113-limiting platform; 114-first mounting hole; 115-second mounting hole; 120-rotating member; 121-mounting part; 122-friction block; 1221-groove; 123-handle; 1231-weight reduction hole; 124-third mounting hole; 130-elastic member; a-first rotation position; b-second rotation position; 200-unmanned boat; 210-mounting shell; 211-mounting slot; 220-battery; A-first rotation direction. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Please refer to Figure 1 , Figure 7 , Figure 8 The present embodiment provides a battery fixing device 100, comprising a base 110 and a rotating member 120 hinged on the base 110, wherein the rotating member 120 can rotate in a plane parallel to the base 110; the base 110 is disposed on a mounting shell 210 of an unmanned boat 200 and is located on the side of a battery 220 of the unmanned boat 200; the rotating member 120 comprises a mounting portion 121, and the mounting portion 121 extends to a side of the battery 220 away from the mounting shell 210, such as Figure 2 As shown, an elastic member 130 is protruded from the mounting portion 121, and the elastic member 130 is located between the mounting portion 121 and the battery 220; the rotating member 120 is driven to rotate from the first rotation position a to the second rotation position b, and the elastic member 130 is squeezed and deformed by the rotating member 120 and the battery 220, so that the battery 220 and the mounting shell 210 fit tightly.

[0037] Specifically, the present application provides a battery fixing device 100 including a hinged base 110 and a rotating member 120, and the rotating member 120 can rotate relative to the base 110. The base 110 is fixed to the mounting shell 210 of the unmanned boat 200 to provide a fixed support for the overall structure of the battery fixing device 100; the mounting shell 210 is provided with a mounting groove 211, and the mounting groove 211 is used to install the battery 220, the base 110 is arranged at the periphery of the mounting groove 211, and the rotating member 120 can rotate on the surface of the battery 220.

[0038] like Figure 2 As shown, the rotating member 120 includes a mounting portion 121, and an elastic member 130 is protruded from one side of the mounting portion 121 facing the battery 220. The elastic member 130 can be adhered to the mounting portion 121 by adhesive. The elastic member 130 is easily deformed under pressure. When the mounting member rotates on the surface of the battery 220, the elastic member 130 can contact the surface of the battery 220 and be squeezed by the rotating member 120 and the battery 220 to provide a pre-tightening pressure. The pre-tightening pressure makes the battery 220 fit tightly with the mounting shell 210, thereby realizing a fixed connection between the battery 220 and the mounting shell 210.

[0039] It should be noted that, in one embodiment of the present application, first, the base 110 includes a first mounting hole 114, and the first mounting hole 114 is used to pass a fixing member so that the base 110 is fixedly connected to the mounting housing 210, so that the battery fixing device 100 can be installed at a desired position. Figure 4 As shown, there are two first mounting holes 114 , which are symmetrically disposed on opposite sides of the base 110 , so that the connection between the base 110 and the mounting housing 210 is more stable.

[0040] Second, if Figure 4 and Figure 6 As shown, the base 110 includes a second mounting hole 115, and the rotating member 120 is provided with a third mounting hole 124 coaxially arranged with the second mounting hole 115. The second mounting hole 115 and the third mounting hole 124 are successively penetrated with plug screws to hinge the rotating member 120 with the base 110, so as to facilitate the rotation of the rotating member 120 relative to the base 110, and at the same time, the rotating member 120 is provided with upper and lower limit functions, so that the rotating member 120 can only rotate along a plane parallel to the base 110.

[0041] The battery fixing device 100 compresses and deforms the elastic member 130 during the rotation of the rotating member 120, thereby completely pressing the battery 220 against the mounting shell 210, making the fixing process faster and easier to operate. After fixing, the elastic member 130 is not easy to move, thereby improving the connection stability between the battery 220 and the mounting shell 210.

[0042] In one possible implementation of the present application, in order to enable the elastic member 130 to reliably deform while moving along the surface of the battery 220, the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the rotation path from the first rotation position a to the second rotation position b.

[0043] Specifically, in one possible implementation of the present application, the mounting portion 121 has a certain inclination angle, so the elastic member 130 also has a certain inclination angle after being mounted on the mounting portion 121, so that the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the rotation path from the first rotation position a to the second rotation position b;

[0044] In another possible implementation of the present application, the thickness of the elastic member 130 gradually increases along the rotation path from the first rotation position a to the second rotation position b, so that the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the rotation path from the first rotation position a to the second rotation position b.

[0045] When the rotating member 120 rotates in the direction in which the height of the elastic member 130 protruding from the mounting portion 121 gradually increases, the elastic member 130 abuts against the battery 220, and since its height protruding from the mounting portion 121 gradually increases, the elastic member 130 is squeezed by the rotating member 120 and the battery 220 to provide a pre-tightening pressure, and the pre-tightening pressure makes the battery 220 fit tightly with the mounting shell 210, thereby achieving a fixed connection between the battery 220 and the mounting shell 210.

[0046] like Figure 1 As shown, when the rotating member 120 rotates in the clockwise direction from the first rotation position a to the second rotation position b, the rotating member 120 rotates in the direction in which the height of the elastic member 130 protruding from the mounting portion 121 gradually increases, so that the elastic member 130 is squeezed by the rotating member 120 and the battery 220 to provide a pre-tightening pressure, and the battery 220 is locked with the mounting shell 210; when the rotating member 120 rotates in the counterclockwise direction from the second rotation position b to the first rotation position a, the rotating member 120 rotates in the direction in which the height of the elastic member 130 protruding from the mounting portion 121 gradually decreases, so that the squeezing of the rotating member 120 and the battery 220 on the elastic member 130 gradually decreases, and the battery 220 is unlocked from the mounting shell 210, and the battery 220 can be disassembled and replaced at this time.

[0047] In one possible implementation of the present application, Figure 3 As shown, a friction block 122 is fixedly provided on one side of the rotating member 120 facing the base 110 . The rotating member 120 can drive the friction block 122 to rotate along the base 110 . The friction block 122 is used to provide a reverse supporting force to the rotating member 120 .

[0048] Specifically, a friction block 122 is provided on one side of the rotating member 120 facing the base 110, and the friction block 122 is fixedly connected to the side of the rotating member 120 away from the battery 220. When the rotating member 120 rotates relative to the base 110, the friction block 122 can be driven to rotate along the base 110 at the same time; the friction block 122 is made of self-lubricating POM material (polyoxymethylene) or other materials with friction resistance, which can provide reverse support force to the rotating member 120, and at the same time, the friction block 122 can make the rotation process of the rotating member 120 relative to the base 110 more reliable.

[0049] For example, please combine Figure 3 , Figure 4 and Figure 5 A groove 1221 is provided on the side of the friction block 122 facing the base 110, and a first ball 111 and a second ball 112 are provided on the side of the base 110 away from the mounting shell 210. The first ball 111 is set at the first rotation position a, and the second ball 112 is set at the second rotation position b. The first ball 111 and the second ball 112 can be clamped in the groove 1221 of the friction block 122; when the rotating member 120 rotates from the first rotation position a to the second rotation position b, the friction block 122 disengages from the first ball 111, and rotates along the base 110 to be clamped with the second ball 112, so that the rotating member 120 is fixed.

[0050] Specifically, when the rotating member 120 is located at the first rotation position a, the friction block 122 is locked with the first bead 111 through the groove 1221; when the rotating member 120 is located at the second rotation position b, the friction block 122 is locked with the second bead 112 through the groove 1221. When the rotating member 120 rotates from the first rotation position a to the second rotation position b, the friction block 122 is separated from the first bead 111 and rotates along the base 110 to be locked with the second bead 112.

[0051] By disposing the first bead 111 and the second bead 112 , the rotating member 120 can be positioned by the engagement of the friction block 122 with the first bead 111 or the second bead 112 , so that the battery fixing device 100 remains in an unlocked or locked state.

[0052] In one possible implementation of the present application, Figure 3 and Figure 4 As shown, the base 110 is provided with a limit platform 113 along the rotation path of the rotating member 120. When the friction block 122 moves to the second rotation position b and is locked with the second wave ball 112, the limit platform 113 abuts against the side of the friction block 122 away from the first rotation position a.

[0053] Specifically, the base 110 is sequentially provided with a first ball 111, a second ball 112 and a limit platform 113 along the rotation path of the rotating member 120. The limit platform 113 is arranged on the side of the second ball 112 away from the first ball 111. When the friction block 122 moves to the second rotation position b and is locked with the second ball 112, the limit platform 113 abuts against the side of the friction block 122 away from the first rotation position a to limit the rotation range of the rotating member 120, so that the elastic member 130 of the rotating member 120 will not be under-pressurized or over-pressurized, thereby further improving the reliability of the battery fixing device 100.

[0054] For example, in order to make the rotation process of the rotating member 120 more flexible and easy to operate, the rotating member 120 further includes a handle 123, through which the mounting portion 121 and the elastic member 130 can be driven to rotate, and the elastic member 130 is a rubber block.

[0055] It should be noted that in one embodiment of the present application, first, the handle 123 is marked with an unlocking mark and a locking mark to facilitate the operator to quickly identify the unlocking direction and the locking direction, so as to quickly determine whether to rotate in a clockwise or counterclockwise direction to unlock or lock.

[0056] Second, if Figure 2 As shown, in order to reduce the weight of the battery fixture 100 , a weight reduction hole 1231 is provided on the handle 123 to prevent the mounting housing 210 from being crushed due to excessive weight when the battery fixture 100 is disposed on the mounting housing 210 .

[0057] The present application also provides an unmanned boat 200, including an installation shell 210, a battery 220 and a battery fixing device 100, the installation shell 210 is recessed with an installation groove 211, the battery 220 is embedded in the installation groove 211, the base 110 of the battery fixing device 100 is fixedly connected to the installation shell 210 and is arranged on the side of the battery 220; the rotating part 120 of the battery fixing device 100 is partially attached to the surface of the battery 220.

[0058] Specifically, Figure 7 and Figure 8As shown, the unmanned boat 200 includes a mounting shell 210, the mounting shell 210 is recessed with a mounting groove 211, and the battery 220 is embedded in the mounting groove 211, and also includes a battery fixing device 100, the base 110 of the battery fixing device 100 is fixedly connected to the mounting shell 210 and is arranged on the side of the battery 220; the rotating member 120 of the battery fixing device 100 is partially attached to the surface of the battery 220, and the mounting portion 121 of the rotating member 120 is provided with an elastic member 130, and the elastic member 130 is located between the rotating member 120 and the battery 220, and the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the rotation path from the first rotation position a to the second rotation position b; the rotating member 120 rotates in the direction in which the height of the elastic member 130 protruding from the mounting portion 121 gradually increases, and the elastic member 130 is squeezed and deformed by the rotating member 120 and the battery 220, so that the battery 220 and the mounting housing 210 are closely fitted, thereby achieving the locking of the battery 220 and the mounting housing 210. Among them, the specific structure and beneficial effects of the battery fixing device 100 have been described in detail above, and will not be repeated here.

[0059] The unmanned boat 200 can quickly install or remove the battery 220 through the battery fixing device 100, making the replacement process of the battery 220 simpler and more convenient, thereby improving the working efficiency and operation time of the unmanned boat 200.

[0060] For example, Figure 8 As shown, the rotating member 120 can rotate relative to the base 110 along the first rotation direction A in a plane parallel to the base 110 so that the battery 220 fits tightly with the mounting shell 210; the battery 220 is tilted relative to the mounting shell 210 so that part of the battery 220 protrudes from the mounting groove 211, and the height of the battery 220 protruding from the mounting groove 211 gradually decreases along the rotation path direction of the first rotation direction A of the rotating member 120.

[0061] Specifically, the rotating member 120 can rotate relative to the base 110 along the first rotation direction A in a plane parallel to the base 110, and the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the direction of the rotation path of the first rotation direction A. Therefore, the rotating member 120 can rotate along the first rotation direction A to make the battery 220 fit tightly with the mounting shell 210.

[0062] In order to increase the pressure exerted on the elastic member 130 and the battery 220 during the abutting movement, thereby improving the installation stability of the battery 220 and the mounting shell 210, the battery 220 is tilted relative to the mounting shell 210 so that part of the battery 220 protrudes from the mounting groove 211; the height of the battery 220 protruding from the mounting groove 211 gradually decreases along the rotation path direction of the first rotation direction A of the rotating member 120, while the height of the elastic member 130 protruding from the mounting portion 121 gradually increases along the rotation path direction of the first rotation direction A, thereby making the extrusion fit relationship between the surface of the battery 220 and the elastic member 130 closer, further improving the stability and reliability of the connection between the battery 220 and the mounting shell 210 of the unmanned boat 200.

[0063] It should be noted that the battery 220 can be tilted relative to the mounting shell 210 so that part of the battery 220 protrudes from the mounting groove 211. This can be achieved by setting the surface of the battery 220 as an inclined surface, or by setting the mounting groove 211 of the mounting shell 210 as an inclined groove. As long as the battery 220 can be partially protruded from the mounting groove 211, the present application does not impose any restrictions on its specific setting method.

[0064] The above description is only an optional embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0065] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

Claims

1. A battery fixing device, characterized in that: The invention relates to a mobile ship which comprises a base (110) and a rotating member (120) hinged on the base (110), wherein the rotating member (120) is capable of rotating in a plane parallel to the base (110); the base (110) is arranged on a mounting shell (210) of an unmanned ship (200) and is located on the side of a battery (220) of the unmanned ship (200); the rotating member (120) comprises a mounting portion (121), and the mounting portion (121) extends to a position where the battery (220) is away from the mounting shell (210). On one side of the installation shell (210), an elastic member (130) is protruding from the installation portion (121), and the elastic member (130) is located between the installation portion (121) and the battery (220); when the rotating member (120) is driven to rotate from a first rotation position (a) to a second rotation position (b), the elastic member (130) is squeezed and deformed by the rotating member (120) and the battery (220), so that the battery (220) and the installation shell (210) are tightly fitted.

2. The battery fixing device according to claim 1, characterized in that: The height of the elastic member (130) protruding from the mounting portion (121) gradually increases along the rotation path from the first rotation position (a) to the second rotation position (b).

3. The battery fixing device according to claim 1, characterized in that: A friction block (122) is fixedly provided on a side of the rotating member (120) facing the base (110); the rotating member (120) can drive the friction block (122) to rotate along the base (110); and the friction block (122) is used to provide a reverse supporting force to the rotating member (120).

4. The battery fixing device according to claim 3, characterized in that: The friction block (122) is provided with a groove (1221) on a side facing the base (110), and the base (110) is provided with a first bead (111) and a second bead (112) on a side facing away from the mounting shell (210), the first bead (111) is arranged at the first rotation position (a), and the second bead (112) is arranged at the second rotation position (b), and the first bead (111) and the second bead (112) can be locked in the groove (1221) of the friction block (122); when the rotating member (120) rotates from the first rotation position (a) to the second rotation position (b), the friction block (122) is separated from the first bead (111), and rotates along the base (110) to be locked with the second bead (112), so that the rotating member (120) is fixed.

5. The battery fixing device according to claim 4, characterized in that: The base (110) is provided with a limiting platform (113) along the rotation path of the rotating member (120); when the friction block (122) moves to the second rotation position (b) and is locked with the second wave ball (112), the limiting platform (113) abuts against a side of the friction block (122) away from the first rotation position (a).

6. The battery fixing device according to claim 1, characterized in that: The rotating member (120) further comprises a handle (123), through which the mounting portion (121) and the elastic member (130) can be driven to rotate, and the elastic member (130) is a rubber block.

7. The battery fixing device according to claim 6, characterized in that: The handle (123) is provided with a weight-reducing hole (1231).

8. The battery fixing device according to claim 1, characterized in that: The base (110) comprises a first mounting hole (114), and the first mounting hole (114) is used to pass a fixing member so that the base (110) is fixedly connected to the mounting shell (210).

9. The battery fixing device according to claim 1, characterized in that: The base (110) includes a second mounting hole (115), and the rotating member (120) is provided with a third mounting hole (124) coaxially arranged with the second mounting hole (115), and screws are inserted through the second mounting hole (115) and the third mounting hole (124) in sequence, so that the rotating member (120) is hingedly connected to the base (110).

10. An unmanned ship, characterized in that: The invention comprises a mounting shell (210), a battery (220) and a battery fixing device (100) as described in any one of claims 1 to 9, wherein the mounting shell (210) is provided with a mounting groove (211), the battery (220) is embedded in the mounting groove (211), the base (110) of the battery fixing device (100) is fixedly connected to the mounting shell (210) and is arranged on the side of the battery (220); the rotating part (120) of the battery fixing device (100) is partially attached to the surface of the battery (220).

11. The unmanned ship according to claim 10, characterized in that: The rotating member (120) is capable of rotating relative to the base (110) in a first rotation direction (A) in a plane parallel to the base (110) so that the battery (220) is tightly fitted with the mounting shell (210); the battery (220) is tilted relative to the mounting shell (210) so that a portion of the battery (220) protrudes from the mounting groove (211), and the height of the battery (220) protruding from the mounting groove (211) gradually decreases along the rotation path direction of the rotating member (120) in the first rotation direction (A).

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