Movable clamp

Abstract

The utility model discloses a movable clamp, which comprises a connecting pipe, the first clamping seat is detachably connected to one end of the connecting pipe; the second clamping seat is detachably connected to the other end of the connecting pipe; the mechanism connecting disc is detachably mounted above the second clamping seat; the connecting pieces are detachably connected to the lower portion of the first clamping base and the lower portion of the second clamping base respectively. The locking hoops are connected to the lower portions of the connecting pieces respectively; wherein the shell is connected into the two locking hoops, and the two ends of the mechanism connecting disc are further adjustably connected with braking pieces. The device is simple in structure, stable, reliable, convenient to disassemble and assemble, high in flexibility and capable of achieving rapid movement of the rotating center in the axial direction of the shell, meets the requirement of the shell transducer for the distance of the rotating center in an acoustic test, and meanwhile achieves the effects of remarkably improving installation stability, achieving uniform stress and reducing stress concentration.

Description

Technical Field

[0001] The utility model relates to a clamp, in particular to a movable clamp, belonging to the technical field of underwater vehicle testing. Background Art

[0002] To ensure the reliability of underwater vehicle sea trials, they typically undergo various tests within a tank to verify theoretical design specifications. These tests, including acoustic directivity tests, require high-quality positioning of the vehicle within the tank. During this process, the design and performance of the fixture are crucial to the smooth conduct of the test, placing high demands on the fixture's flexibility and simplicity. Existing fixtures have relatively fixed suspension points during use, making them difficult to move and unable to meet the required rotation center distances for acoustic testing. More flexible fixtures, on the other hand, are complex to use and expensive to produce.

[0003] Therefore, the key to solving the above technical problems is to develop a stable, reliable and flexible movable fixture. Summary of the Invention

[0004] In view of the many defects and shortcomings in the above-mentioned background technology, the present invention has made improvements and innovations thereto, with the aim of providing a movable fixture with a simple structure, stability and reliability, which can realize rapid movement of the rotation center in the axial direction of the shell, and meet the requirements of the shell transducer for the rotation center distance in acoustic testing.

[0005] Another invention purpose of the utility model is to facilitate assembly and disassembly and have strong flexibility. The locking position of the clamp can be adjusted according to the center of gravity of the shell, so as to significantly improve the installation stability, evenly distribute the force, reduce stress concentration, and achieve better stability.

[0006] In order to solve the above problems and achieve the above invention objectives, the present invention provides a movable clamp by adopting the following design structure and the following technical solutions:

[0007] As an improvement of the movable clamp of the utility model, it includes:

[0008] Connecting pipe (1);

[0009] A first clamping seat (2), the first clamping seat (2) is detachably connected to one end of the connecting pipe (1);

[0010] A second clamping seat (3), the second clamping seat (3) is detachably connected to the other end of the connecting pipe (1);

[0011] A mechanism connecting plate (4), the mechanism connecting plate (4) being detachably mounted above the second clamping seat (3);

[0012] A connecting piece (5), the connecting piece (5) is detachably connected to the bottom of the first clamping seat (2) and the second clamping seat (3);

[0013] A locking hoop (6), the locking hoop (6) being connected below each connecting piece (5);

[0014] The underwater vehicle (7) is connected to the two locking hoops (6), and the two ends of the mechanism connecting plate (4) are also adjustably connected with brake components (41).

[0015] As an improvement of the above-mentioned utility model, the connecting pipe (1) as a whole is a cylindrical structure with two ends open and an interior hollow, a plurality of through holes (11) are annularly opened at the end of the connecting pipe (1) near the mounting end of the first clamping seat (2), and a second clamping seat limiting hole (12) is symmetrically opened on the connecting pipe (1) at the non-first clamping seat (2) mounting end.

[0016] As a further improvement of the above-mentioned utility model, the first clamping seat (2) includes first clamping rings arranged opposite to each other and a plurality of fasteners that lock and connect the two first clamping rings together, and the two ends of the first clamping ring are connected with a connecting portion extending outward, and a fastening hole is opened on the connecting portion.

[0017] As a further improvement of the above-mentioned utility model, the second clamping seat (3) includes second clamping rings arranged opposite to each other and several fasteners that lock and connect the two second clamping rings together, and an oblong second clamping ring connecting hole (31) is provided through the middle of the second clamping ring, and the two ends of the second clamping ring are connected with connecting parts extending outward, and fastening holes are provided on the connecting parts, wherein the second clamping seat (3) is fastened to the corresponding second clamping seat limiting hole (12) after passing through the second clamping ring connecting hole (31) by a limiting screw (32).

[0018] As a further improvement of the above-mentioned utility model, the mechanism connecting plate (4) includes:

[0019] A connecting disk, on which a plurality of connecting holes adapted to connect with an external rotating mechanism are formed in an annular direction;

[0020] A connecting plate is connected to the bottom of the connecting disk, and internal threaded holes are provided at both ends of the connecting plate for connection with the brake member (41). A connecting plate connection port is provided in the middle portion below the connecting plate for connection with the second clamping seat (3), and the connecting plate connection port is in an oblong shape;

[0021] Reinforcement columns, the reinforcement columns are respectively connected to the connection plate and the connection plate;

[0022] Wherein, the braking member (41) is a bolt.

[0023] As a further improvement of the above-mentioned utility model, the connecting piece (5) is in the form of a rectangular plate as a whole, and two rows of connecting piece connection holes are provided at both ends of the connecting piece (5).

[0024] As a further improvement of the above-mentioned utility model, the locking hoop (6) includes a first locking ring (61) and a second locking ring (62) and a locking member for locking the first locking ring (61) and the second locking ring (62) together, wherein a connecting seat (63) is connected to the outer side of one end of the second locking ring (62).

[0025] As a further improvement of the above-mentioned utility model, both ends of the first locking ring (61) are connected with a first locking connection portion extending outward, and a first locking hole is opened on the first locking connection portion;

[0026] The two ends of the second locking ring (62) are connected to a second locking connection portion extending outward, and a second locking hole is formed on the second locking connection portion;

[0027] The connecting seat (63) comprises an arc-shaped connecting plate and a connecting ear symmetrically connected to the middle portion above the arc-shaped connecting plate, and the connecting ear is provided with a connecting seat connecting hole adapted to the connecting piece (5);

[0028] A limiting groove (64) is provided inwardly along the inner wall of the second locking ring (62) below the connecting seat (63).

[0029] As a further improvement of the above-mentioned utility model, a positioning bar (8) is connected above the underwater vehicle (7), and the positioning bar (8) is detachably mounted on the middle part of the outer side wall above the underwater vehicle (7) by screws, wherein the width of the positioning bar (8) is adapted to the limiting groove (64).

[0030] As a further improvement of the above-mentioned utility model, the inner walls of the first clamping seat (2), the second clamping seat (3) and the locking hoop (6) are further connected with anti-slip pads.

[0031] The working principle is: before using a movable fixture of the above-mentioned design structure, it needs to be manufactured and installed as a backup.

[0032] During assembly, the operator first installs the positioning bar (8) directly above the underwater vehicle (7) using screws;

[0033] Then, the operator installs the two locking hoops (6) on the front and rear ends of the underwater vehicle (7) respectively through the locking member, so that the limiting groove (64) of each locking hoop (6) is stuck on the positioning bar (8);

[0034] Next, the operator uses fasteners of appropriate size to install the connecting piece (5) in the locking connection part above the two locking hoops (6). During installation, a three-point screw connection method is used for pre-tightening to ensure that the connecting piece (5) is installed vertically, and finally the screws are tightened.

[0035] Then, the operator uses a fastener of appropriate size to install the first clamping seat (2) on the connecting piece (5) at the end other than the second clamping seat limiting hole (12). During installation, a three-point screw connection method is used for pre-tightening, and the screws are not tightened at this time.

[0036] Subsequently, the operator uses a fastener of appropriate size to install the second clamping seat (3) on the other connecting piece (5). During installation, a three-point screw connection method is used for pre-tightening, and the screws are not tightened at this time;

[0037] Then, the operator inserts the connecting pipe (1) between the second clamping seat (3) and the first clamping seat (2), adjusts the length of the front end, and then uses a limit screw (32) of appropriate size to pass through the second clamping ring connecting hole (31) and connect it to the second clamping seat limit hole (12). The limit screw (32) can prevent the connecting pipe (1) from rotating around the axis during the operation of the rotating mechanism.

[0038] Next, the operator screws the brake member (41) into the mechanism connecting disk (4) as much as possible, adjusts its posture so that the upper plane of the mechanism connecting disk (4) is parallel to the axis, and then uses fasteners of appropriate size to install the mechanism connecting disk (4) above the second clamping seat (3). Then, tighten all fasteners on the connecting plate (5), slowly screw out the brake member (41) with a wrench or other tools, and press it against the top of the connecting pipe (1). Use the brake member (41) to fine-tune the mechanism connecting disk (4). After the adjustment is completed, tighten the fasteners connecting the mechanism connecting disk (4) and the second clamping seat (3). At this time, the entire mechanism is installed.

[0039] During use, the operator connects the mechanism connecting plate (4) to the external rotating mechanism in a hard connection manner (bolt assembly fastening connection); after the first clamping seat (2) and the second clamping seat (3) are fastened to the connecting pipe (1) and the two connecting pieces (5) respectively, after the second clamping seat (3) is fastened to the mechanism connecting plate (4), after the two connecting pieces (5) fasten the two locking hoops (6), and after the two locking hoops (6) fasten the underwater vehicle (7), the components below the mechanism connecting plate (4) and the underwater vehicle (7) are integrated, and the components below the mechanism connecting plate (4) and the underwater vehicle (7) can be driven by the external rotating mechanism to carry out various tests in a water tank.

[0040] During use, the screw between the mechanism connecting disk (4) and the second clamping seat (3) may still rotate around the screw axis, but under the action of the brake member (41), this risk is resolved, thereby improving the safety and reliability of the mechanism.

[0041] Compared with the prior art, the beneficial effects of the present invention are:

[0042] 1. The utility model has a simple structure, is stable and reliable, and can realize the rapid movement of the rotation center in the axial direction of the shell, meeting the requirements of the shell transducer for the rotation center distance in acoustic testing;

[0043] 2. The utility model is easy to assemble and disassemble, and has strong flexibility. The locking position of the clamp can be adjusted according to the center of gravity of the shell, which significantly improves the installation stability, evenly distributes the force, reduces stress concentration, and achieves better stability.

[0044] 3. The utility model further includes a positioning bar installed above the housing, so that the positioning bar and the limiting groove (64) of each locking hoop (6) are locked in position, preventing the underwater vehicle (7) from rotating in the locking hoop (6), thereby ensuring a stable connection between the housing and the locking hoop, and effectively improving reliability and safety;

[0045] 4. The mechanism connecting disk (4) of the present invention is provided with a brake member, which can effectively solve the possibility of rotation between the mechanism connecting disk (4) and the second clamping seat (3) around the fastener axis, thereby improving the safety and reliability of the mechanism;

[0046] 5. The inner walls of the first clamping seat (2), the second clamping seat (3) and the locking hoop (6) of the utility model are also connected with anti-skid pads, which can effectively increase friction, reduce sliding, wear and vibration, and increase the stability and safety of the clamp; at the same time, the anti-skid pads serve as a buffer layer, which can protect the surface of the equipment and improve the uniformity of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0048] Figure 1 This is one of the overall structural diagrams of the utility model;

[0049] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0050] Figure 3 It is a front view of the utility model;

[0051] Figure 4 It is a right side view of the utility model;

[0052] Figure 5 It is an exploded view of the utility model;

[0053] Figure 6 This is a schematic diagram of the connection relationship between the first clamping seat (2), the connecting piece (5) and the locking hoop (6) of the utility model;

[0054] Figure 7 This utility model Figure 6 Exploded diagram;

[0055] Figure 8 This is a schematic diagram of the connection relationship between the second clamping seat (3), the mechanism connecting plate (4), the connecting piece (5) and the locking hoop (6) of the utility model;

[0056] Figure 9 This utility model Figure 8 Exploded diagram;

[0057] Among them, the numbers in the figure are: 1-connecting pipe, 11-through hole, 12-second clamping seat limiting hole;

[0058] 2—first clamping seat;

[0059] 3—second clamping seat, 31—second clamping ring connecting hole, 32—limiting screw;

[0060] 4—mechanism connecting plate, 41—brake member;

[0061] 5—connecting piece;

[0062] 6—locking hoop, 61—first locking ring, 62—second locking ring, 63—connecting seat, 64—limiting groove;

[0063] 7—Underwater vehicles;

[0064] 8—Positioning bar. DETAILED DESCRIPTION

[0065] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other unless there is a conflict. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0066] As the instruction manual Figure 1 To the instruction manual Figure 8 A movable fixture is shown, comprising:

[0067] Connecting pipe 1;

[0068] A first clamping seat 2, which is detachably connected to one end of the connecting pipe 1;

[0069] A second clamping seat 3, which is detachably connected to the other end of the connecting pipe 1;

[0070] The mechanism connecting plate 4 is detachably mounted above the second clamping seat 3;

[0071] A connecting piece 5, which is detachably connected to the lower sides of the first clamping seat 2 and the second clamping seat 3;

[0072] Locking hoops 6 are respectively connected to the bottom of each connecting piece 5;

[0073] The underwater vehicle 7 is connected to the two locking hoops 6 , and the two ends of the mechanism connecting plate 4 are also adjustably connected with brake components 41 .

[0074] Further, such as Figure 5 As shown, the connecting tube 1 is a cylindrical structure with both ends open and the interior hollow. A plurality of through holes 11 are provided in a ring shape at the end of the connecting tube 1 near the mounting end of the first clamping seat 2, and a second clamping seat limiting hole 12 is symmetrically provided on the connecting tube 1 at the non-mounting end of the first clamping seat 2.

[0075] In the present invention, the second clamping seat limiting hole 12 is a threaded hole.

[0076] Further, such as Figure 6 As shown, the first clamping seat 2 includes first clamping rings arranged opposite to each other and a plurality of fasteners that lock and connect the two first clamping rings together. Both ends of the first clamping ring are connected with connecting parts extending outward, and fastening holes are opened on the connecting parts.

[0077] In the present invention, the first clamping ring is in the shape of an "Ω" as a whole, the upper connecting portion of the first clamping ring is provided with a row of fastening holes, and the lower connecting portion of the first clamping ring is provided with two rows of fastening holes; the fasteners include screws and nuts.

[0078] Further, such as Figure 9 As shown, the second clamping seat 3 includes second clamping rings arranged opposite to each other and several fasteners that lock the two second clamping rings together. An oblong second clamping ring connecting hole 31 is provided in the middle of the second clamping ring. The two ends of the second clamping ring are connected with connecting parts extending outward, and fastening holes are provided on the connecting parts. The second clamping seat 3 is fastened to the corresponding second clamping seat limiting hole 12 after a limiting screw 32 passes through the second clamping ring connecting hole 31.

[0079] In the present invention, the second clamping ring is in the shape of an "Ω" as a whole, the upper connecting portion of the second clamping ring is provided with a row of fastening holes, and the lower connecting portion of the second clamping ring is provided with two rows of fastening holes.

[0080] Further, such as Figure 9As shown, the mechanism connection disk 4 includes:

[0081] A connecting disk, on which a plurality of connecting holes adapted to connect with an external rotating mechanism are formed in an annular direction;

[0082] The connecting plate is connected to the bottom of the connecting plate. The two ends of the connecting plate are provided with internal threaded holes adapted to connect with the brake member 41. The middle part of the lower part of the connecting plate is provided with a connecting plate connection port connected to the second clamping seat 3. The connecting plate connection port is in an oblong shape.

[0083] Reinforcement columns, the reinforcement columns are respectively connected to the connection plate and the connection plate;

[0084] The brake member 41 is a bolt.

[0085] Further people, such as Figure 8 As shown, the connecting piece 5 is in a rectangular plate-like structure as a whole, and two rows of connecting hole are provided at both ends of the connecting piece 5.

[0086] In the present invention, each row of connecting plate connecting holes on the connecting plate 5 is three.

[0087] Further, such as Figure 7 As shown, the locking hoop 6 includes a first locking ring 61, a second locking ring 62 and a locking piece that locks the first locking ring 61 and the second locking ring 62 together, wherein a connecting seat 63 is connected to the outer side of one end of the second locking ring 62.

[0088] In the present invention, the locking member includes a screw and a nut.

[0089] Specifically, such as Figure 7 As shown, both ends of the first locking ring 61 are connected with first locking connecting parts extending outward, and a first locking hole is formed on the first locking connecting part;

[0090] The two ends of the second locking ring 62 are connected to a second locking connection portion extending outward, and a second locking hole is formed on the second locking connection portion;

[0091] The connecting seat 63 includes an arc-shaped connecting plate and a connecting ear symmetrically connected to the middle part above the arc-shaped connecting plate, and the connecting ear is provided with a connecting seat connecting hole adapted to the connecting piece 5;

[0092] A limiting groove 64 is defined inwardly along the inner wall of the second locking ring 62 below the connecting seat 63 .

[0093] In the present invention, the first locking ring 61 and the second locking ring 62 are both in an “Ω” shape or a semicircular shape as a whole.

[0094] Further, such as Figure 3As shown, a positioning bar 8 is further connected above the underwater vehicle 7 , and the positioning bar 8 is detachably mounted on the middle portion of the outer side wall above the underwater vehicle 7 by screws, wherein the width of the positioning bar 8 is adapted to the limiting groove 64 .

[0095] In the present invention, the two circular openings on the underwater vehicle 7 are the transducer locations of the underwater vehicle.

[0096] Furthermore, anti-slip pads are connected to the inner walls of the first clamping seat 2, the second clamping seat 3 and the locking hoop 6.

[0097] In summary, the more specific implementation methods of the present invention are:

[0098] Before using the movable clamp of the above-mentioned design structure, it is necessary to manufacture and install it as a backup.

[0099] During assembly, the operator first installs the positioning bar 8 just above the underwater vehicle 7 with screws;

[0100] Then, the operator installs the two locking hoops 6 at the front and rear ends of the underwater vehicle 7 respectively through the locking members, so that the limiting groove 64 of each locking hoop 6 is stuck on the positioning bar 8;

[0101] Next, the operator uses fasteners of appropriate size to install the connecting piece 5 in the locking connection part above the two locking hoops 6. During installation, use a three-point screw connection method for pre-tightening to ensure the vertical installation of the connecting piece 5, and finally tighten the screws.

[0102] Then, the operator uses a fastener of appropriate size to install the first clamping seat 2 on the connecting piece 5 at the end other than the second clamping seat limiting hole 12. During installation, a three-point screw connection method is used for pre-tightening. At this time, the screws are not tightened first.

[0103] Afterwards, the operator uses fasteners of appropriate size to install the second clamping seat 3 on the other connecting piece 5. During installation, a three-point screw connection method is used for pre-tightening. At this time, the screws are not tightened first.

[0104] Then, the operator inserts the connecting tube 1 between the second clamping seat 3 and the first clamping seat 2, adjusts the length of the front end, and then uses a stop screw 32 of appropriate size to pass through the second clamping ring connection hole 31 to connect it to the second clamping seat stop hole 12. The stop screw 32 can prevent the connecting tube 1 from rotating around the axis during the operation of the rotating mechanism.

[0105] Next, the operator first screws the brake part 41 into the mechanism connecting disk 4 as much as possible, adjusts its posture so that the plane on the mechanism connecting disk 4 is parallel to the axis, and then uses fasteners of appropriate size to install the mechanism connecting disk 4 on top of the second clamping seat 3. Then, tighten all fasteners on the connecting plate 5, and use a wrench or other tools to slowly unscrew the brake part 41, and press it on the top of the connecting pipe 1. Use the brake part 41 to fine-tune the mechanism connecting disk 4. After the adjustment is completed, tighten the fasteners connecting the mechanism connecting disk 4 and the second clamping seat 3. At this time, the entire mechanism is installed.

[0106] During use, the operator fastens the mechanism connecting disk 4 to the external rotating mechanism using a hard connection bolt assembly; after the first clamping seat 2 and the second clamping seat 3 are fastened to the connecting pipe 1 and the two connecting plates 5 respectively, the second clamping seat 3 and the mechanism connecting disk 4 are fastened, the two connecting plates 5 fasten the two locking hoops 6, and the two locking hoops 6 fasten the underwater vehicle 7, the components below the mechanism connecting disk 4 and the underwater vehicle 7 are integrated, and the components below the mechanism connecting disk 4 and the underwater vehicle 7 can be driven by the external rotating mechanism to carry out various tests in the water tank.

[0107] During use, the screw between the mechanism connecting disk 4 and the second clamping seat 3 may still rotate around the screw axis, but under the action of the brake member 41, this risk is resolved, thereby improving the safety and reliability of the mechanism.

[0108] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and does not constitute any other limitation to the present invention. Any person skilled in the art may utilize the above-disclosed technical content to modify or remodel the present invention into equivalent embodiments. However, any simple modifications, equivalent variations, and modifications to the above embodiments that do not depart from the technical content of the present invention and are based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. A movable fixture, characterized in that: include: Connecting pipe (1); A first clamping seat (2), the first clamping seat (2) is detachably connected to one end of the connecting pipe (1); A second clamping seat (3), the second clamping seat (3) is detachably connected to the other end of the connecting pipe (1); A mechanism connecting plate (4), the mechanism connecting plate (4) being detachably mounted above the second clamping seat (3); A connecting piece (5), the connecting piece (5) is detachably connected to the bottom of the first clamping seat (2) and the second clamping seat (3); A locking hoop (6), the locking hoop (6) being connected below each connecting piece (5); The underwater vehicle (7) is connected to the two locking hoops (6), and the two ends of the mechanism connecting plate (4) are also adjustably connected with brake components (41).

2. A movable clamp according to claim 1, characterized in that: The connecting tube (1) is a cylindrical structure with two ends open and an interior hollow. A plurality of through holes (11) are provided in a circular shape at the end of the connecting tube (1) near the mounting end of the first clamping seat (2). A second clamping seat limiting hole (12) is symmetrically provided on the connecting tube (1) at the end other than the mounting end of the first clamping seat (2).

3. The movable clamp according to claim 1, characterized in that: The first clamping seat (2) comprises first clamping rings arranged opposite to each other and a plurality of fasteners for locking and connecting the two first clamping rings together. Both ends of the first clamping ring are connected with connecting parts extending outward, and fastening holes are provided on the connecting parts.

4. The movable clamp according to claim 1, characterized in that: The second clamping seat (3) includes second clamping rings arranged opposite to each other and a plurality of fasteners for locking the two second clamping rings together. A second oblong clamping ring connecting hole (31) is provided through the middle of the second clamping ring. Both ends of the second clamping ring are connected to connecting parts extending outward, and fastening holes are provided on the connecting parts. The second clamping seat (3) is fastened to the corresponding second clamping seat limiting hole (12) after a limiting screw (32) passes through the second clamping ring connecting hole (31).

5. The movable clamp according to claim 1, characterized in that: The mechanism connecting disk (4) comprises: A connecting disk, on which a plurality of connecting holes adapted to connect with an external rotating mechanism are formed in an annular direction; A connecting plate is connected to the bottom of the connecting disk, and internal threaded holes are provided at both ends of the connecting plate for connection with the brake member (41). A connecting plate connection port is provided in the middle portion below the connecting plate for connection with the second clamping seat (3), and the connecting plate connection port is in an oblong shape; Reinforcement columns, the reinforcement columns are respectively connected to the connection plate and the connection plate; Wherein, the braking member (41) is a bolt.

6. The movable clamp according to claim 1, characterized in that: The connecting piece (5) is in the form of a rectangular plate as a whole, and two rows of connecting piece connection holes are provided at both ends of the connecting piece (5).

7. The movable clamp according to claim 1, characterized in that: The locking hoop (6) comprises a first locking ring (61), a second locking ring (62), and a locking member for locking and connecting the first locking ring (61) and the second locking ring (62) together, wherein a connecting seat (63) is connected to the outer side of one end of the second locking ring (62).

8. The movable clamp according to claim 7, characterized in that: Both ends of the first locking ring (61) are connected to first locking connection parts extending outward, and a first locking hole is formed on the first locking connection part; The two ends of the second locking ring (62) are connected to a second locking connection portion extending outward, and a second locking hole is formed on the second locking connection portion; The connecting seat (63) comprises an arc-shaped connecting plate and a connecting ear symmetrically connected to the middle portion above the arc-shaped connecting plate, and the connecting ear is provided with a connecting seat connecting hole adapted to the connecting piece (5); A limiting groove (64) is provided inwardly along the inner wall of the second locking ring (62) below the connecting seat (63).

9. The movable clamp according to claim 1, characterized in that: A positioning bar (8) is also connected above the underwater vehicle (7), and the positioning bar (8) is detachably mounted on the middle portion of the outer side wall above the underwater vehicle (7) by means of screws, wherein the width of the positioning bar (8) is adapted to the limiting groove (64).

10. The movable clamp according to claim 1, characterized in that: The inner walls of the first clamping seat (2), the second clamping seat (3) and the locking hoop (6) are also connected with anti-slip pads.

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