Simple lifting rotation underwater testing device

Abstract

The invention discloses a simple lifting rotation underwater test device, which comprises a support seat, one end of the support seat is connected with a ship deck or a shoreside, and the other end of the support seat is provided with a rotation assembly mounting port and a connection assembly assembling port; the rotary assembly is detachably mounted at the rotary assembly mounting opening; the connecting assembly is detachably mounted at the lower part of a rotating shaft of the rotating assembly; and one end of the switching assembly is detachably connected with the connecting assembly, and the other end of the switching assembly is connected with the tested equipment. The rotary table is simple in structure and ingenious in design, can be installed on a ship side deck or a shore according to needs, and overcomes the defects that an existing lifting rotary test rotary table is inconvenient to use and limited in test place, and a rope hoisting device is prone to being affected by water flow and low in rotation precision; and meanwhile, a modular design is adopted, so that the test requirements in various underwater depth environments are met, the disassembly and assembly efficiency is greatly improved, and the assembly and test complexity and workload of testers are reduced.

Description

Technical Field

[0001] This invention relates to an underwater testing device, specifically a simple lifting and rotating underwater testing device, belonging to the field of marine engineering technology. Background Technology

[0002] Generally, in the field of marine engineering, it is often necessary to put some equipment into the water for performance testing. Depending on the size, weight and test parameters of the equipment, different testing devices are usually required. The existing devices used to test lighter equipment that needs to rotate 360 ​​degrees underwater are mainly lifting and rotating test turntables and rope hoisting devices. Lifting and rotating test turntables are generally installed on fixed underwater test pools and ship decks, which are costly and cannot be moved to the appropriate location according to the needs of use. Rope hoisting devices are flexible connections, and the hoisting position is easily affected by water flow and the rotation accuracy is not high.

[0003] Currently, Chinese invention patent CN108751015B discloses a rotary lifting device, belonging to the field of marine engineering. The rotary lifting device includes a support platform, a rotary platform, a rotary support bearing, a telescopic arm, and a rotary motor. The test item is fixed to the telescopic arm, which is connected to the rotary platform. The outer ring of the rotary support bearing is fixed to the rotary platform, and the teeth on the outer wall of the bearing's outer ring mesh with a gear connected to the output shaft of the rotary motor fixed to the support platform. The inner ring of the rotary support bearing is fixed to the support platform. When the rotary motor is driven, the telescopic arm rotates together with the rotary platform, thus achieving stable rotation of the test item. This rotary lifting device has many components, a complex and large structure, high manufacturing costs, and cannot be quickly deployed to new sites according to usage needs.

[0004] Therefore, the key to solving the above-mentioned technical problems lies in developing a simple, safe, and reliable underwater testing device with lifting and rotating mechanism. Summary of the Invention

[0005] In view of the many defects and shortcomings of the above-mentioned background technology, the present invention has made improvements and innovations, aiming to provide a simple lifting and rotating underwater testing device with a simple structure and ingenious design. It can be installed on the side deck of a ship or on the shore as needed, effectively solving the shortcomings of existing lifting and rotating test turntables that are inconvenient to use, have limited testing sites, and are susceptible to water flow and have low rotation accuracy.

[0006] Another objective of this invention is to adopt a modular design that, through ingenious design, meets the testing requirements of various underwater depth environments, possesses good adaptability and reliability, greatly improves disassembly and assembly efficiency, and reduces the complexity and workload of assembly and testing for testing personnel.

[0007] To solve the above problems and achieve the above-mentioned objectives, the present invention provides a simple lifting and rotating underwater testing device by adopting the following design structure and the following technical solution:

[0008] A simple lifting and rotating underwater testing device includes:

[0009] Support base (1), one end of the support base (1) is connected to the ship deck or shore, and the other end of the support base (1) is provided with a rotating component installation port (111) and a connecting component assembly port (112);

[0010] Rotary assembly (2), which is detachably installed at the rotary assembly mounting port (111);

[0011] The connecting component (3) is detachably installed on the lower part of the rotating shaft (21) of the rotating component (2);

[0012] The adapter component (4) is detachably connected to the connecting component (3) at one end and connected to the device under test (5) at the other end.

[0013] Preferably, the rotary assembly (2) includes:

[0014] Rotary shaft (21) passes through support plate (22) and is fixedly connected to worm gear shaft of worm gear reducer (23);

[0015] Support plate (22) is detachably mounted above the rotary assembly mounting port (111) by fasteners;

[0016] The worm gear reducer (23) is mounted on the support plate (22) at its four corners via support rods (24);

[0017] A hand crank (25) is fixedly connected at one end to the worm shaft of the worm gear reducer (23).

[0018] Preferably, the rotary shaft (21) is a stepped shaft, with a rotary shaft mounting hole at the top center and a rotary shaft connecting hole through the bottom.

[0019] The support plate (22) is a rectangular plate-shaped component. A support plate connection hole is provided through the middle of the support plate (22), and multiple support plate mounting holes are symmetrically provided at both ends of the support plate (22).

[0020] The upper part of the support rod (24) is connected to the outside of the worm gear reducer (23) by fasteners, and the lower end of the support rod (24) is connected to the support plate (22).

[0021] Preferably, the rotary assembly (2) further includes:

[0022] The pointer (26) is connected to the rotating shaft mounting hole at the top center of the rotating shaft (21) by a fastener;

[0023] Angle plate (27) is attached to the upper surface of the worm gear reducer (23);

[0024] The pointer (26) is located above the angle disk (27).

[0025] Preferably, the rotary assembly (2) further includes:

[0026] Slewing bearing (28) is connected to the support plate connection hole above the support plate (22);

[0027] Lifting rings (29) are symmetrically installed on the mounting holes of the support plate at the middle of both ends of the support plate (22);

[0028] The lower part of the slewing shaft (21) is also fixed to the inner ring of the slewing bearing (28) by fasteners through the slewing shaft flange, and the outer ring of the slewing bearing (28) is connected to the support plate (22) by fasteners.

[0029] Preferably, the support base (1) includes:

[0030] Support frame (11), the support frame (11) is in the shape of an "L";

[0031] A connecting plate (12) is connected to one end of a vertically connected support frame (11);

[0032] Pin limiting seat (13) is symmetrically connected above the support frame (11) on both sides of the connection component assembly port (112);

[0033] The rotary component mounting port (111) and the connecting component assembly port (112) are located on the non-connecting end of the support frame (11).

[0034] Preferably, the pin limiting seat (13) comprises two connecting columns vertically connected above the support frame (11), wherein a protective layer is also connected to the outside of the connecting columns.

[0035] Preferably, the connecting component (3) comprises at least one connecting rod connected to each other;

[0036] The connecting rod includes: a connecting rod (31);

[0037] Quick-lock female connector (32) is connected to one end of the connecting rod (31);

[0038] Quick-lock male connector (33) is connected to the other end of the connecting rod (31);

[0039] The load-bearing pin (34) is connected to the connecting rod (31) near the end of the quick-lock nut (32).

[0040] Preferably, one end of the connecting rod (31) is provided with a load-bearing pin mounting hole for installing the load-bearing pin (34);

[0041] The upper middle part of the quick-lock female head (32) is provided with a quick-lock female head connection port (321) and the side wall of the quick-lock female head (32) is provided with pre-tightening openings (322) symmetrically downward along the port. The side of the quick-lock female head (32) is also provided with a quick-lock female head locking hole (323). The quick-lock female head locking hole (323) is located on the side wall of the quick-lock female head (32) between the two pre-tightening openings (322). The non-quick-lock female head connection port (321) end of the quick-lock female head (32) is fixedly connected or detachably connected to the connecting rod (31).

[0042] The quick-lock male connector (33) includes a connecting plate (331) and a quick-lock connector (332) vertically connected to the middle of one end of the connecting plate (331). The lower end of the quick-lock connector (332) is provided with a quick-lock male connector locking hole (333). The non-quick-lock connector (332) end of the quick-lock male connector (33) is fixedly connected to the connecting rod (31) or detachably connected.

[0043] The quick-lock connector (332) is compatible with the quick-lock female connector (321).

[0044] Preferably, the adapter component (4) includes:

[0045] Connecting flange (41);

[0046] The adapter connector (42) is vertically connected to the middle of one end of the connecting flange (41);

[0047] The shape, structure, and size of the adapter connector (42) are the same as those of the quick-lock female connector (32).

[0048] The beneficial effects of this invention compared to the prior art are:

[0049] 1. The present invention has a simple structure and is easy to operate. It can be installed on the side deck of a ship or on the shore as needed, effectively solving the shortcomings of the existing lifting and rotating test turntable, which is inconvenient to use, has limited testing sites, and is susceptible to water flow and has poor rotation accuracy.

[0050] 2. The connecting components of this invention adopt a modular design. Through ingenious design, they meet the testing requirements of various underwater depth environments and have good adaptability and reliability.

[0051] 3. The present invention has a simple structure and fewer types of parts. While meeting the technical requirements, it can also reduce production and maintenance costs, making the device more economical and efficient.

[0052] 4. This invention has low requirements for site conditions and can be installed and used wherever a fixed support base can be found. It has good environmental adaptability and greatly improves the convenience of installation and use.

[0053] 5. The components of this invention are lightweight, making them easy to handle and assemble, and flexible in use. This not only facilitates transportation and storage but also greatly enhances the flexibility in actual use.

[0054] 6. The present invention is reasonably designed and easy to assemble and disassemble. Through modularization, quick locking and convenient docking and installation, it greatly improves the efficiency of disassembly and assembly, and reduces the composition of testing personnel and the complexity and workload of testing. Attached Figure Description

[0055] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0056] Figure 1 This is one of the usage state diagrams of the present invention;

[0057] Figure 2 This is the second usage state diagram of the present invention;

[0058] Figure 3 This is the third usage state diagram of the present invention;

[0059] Figure 4 This is the fourth diagram showing the usage state of the present invention;

[0060] Figure 5 This is the fifth diagram showing the usage state of the present invention;

[0061] Figure 6 This is one of the usage state diagrams of the present invention;

[0062] Figure 7 This is the second partially exploded view of the present invention;

[0063] Figure 8 This is the third partially exploded view of the present invention;

[0064] Figure 9 This is the fourth partially exploded view of the present invention;

[0065] Figure 10 This is one of the structural schematic diagrams of the rotary assembly (2) component of the present invention;

[0066] Figure 11 This is the second structural schematic diagram of the rotary assembly (2) component of the present invention;

[0067] Figure 12 This is an exploded view of the connecting component (3) of the present invention;

[0068] Figure 13 This is one of the schematic diagrams of partial connection relationships in this invention;

[0069] Figure 14 This is the second schematic diagram of the partial connection relationship of the present invention;

[0070] In the figure, the numbers are: 1—support base, 11—support frame, 111—rotary component mounting port, 112—connecting component assembly port, 12—connecting plate, 13—pin limit seat;

[0071] 2—Slewing assembly, 21—Slewing shaft, 22—Support plate, 23—Worm gear reducer, 24—Support rod, 25—Hand crank, 26—Pointer, 27—Angle disc, 28—Slewing bearing, 29—Lifting ring;

[0072] 3—Connecting component; 31—Connecting rod; 32—Quick-lock female head; 321—Quick-lock female head connection port; 322—Pre-tightening opening; 323—Quick-lock female head locking hole; 33—Quick-lock male head; 331—Connecting plate; 332—Quick-lock connector; 333—Quick-lock male head locking hole; 34—Bearing pin;

[0073] 4—Transfer assembly; 41—Connecting flange; 42—Transfer connector;

[0074] 5—The device under test. Detailed Implementation

[0075] To make the technical means, inventive features, objectives, and effects of this invention readily understandable, the technical solution of this invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other. The invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0076] As per the instruction manual Figure 1 To the instruction manual Figure 14 The simplified lifting and rotating underwater testing device shown includes:

[0077] Support 1, one end of support 1 is connected to the ship deck or the shore, and the other end of support 1 is provided with a rotating component installation port 111 and a connecting component assembly port 112.

[0078] Rotary component 2, which is detachably installed at the rotary component mounting port 111;

[0079] Connecting component 3 is detachably installed on the lower part of the rotating shaft 21 of rotating component 2;

[0080] The adapter component 4 is detachably connected to the connecting component 3 at one end, and connected to the device under test 5 at the other end.

[0081] Furthermore, such as Figure 10 As shown, the rotary assembly 2 includes:

[0082] Rotary shaft 21 passes through support plate 22 and is fixedly connected to the worm wheel shaft of worm gear reducer 23;

[0083] Support plate 22 is detachably mounted above the rotary assembly mounting port 111 by fasteners;

[0084] The worm gear reducer 23 is mounted on the support plate 22 at its four corners via support rods 24.

[0085] A crank 25 is provided, one end of which is fixedly connected to the worm shaft of the worm gear reducer 23.

[0086] In this invention, both fasteners and locking components include screws and nuts.

[0087] Specifically, such as Figure 10 and Figure 11 As shown, the rotary shaft 21 is a stepped shaft, with a rotary shaft mounting hole at the top center and a rotary shaft connecting hole through the bottom.

[0088] The support plate 22 is a rectangular plate-shaped component. A support plate connection hole is opened through the middle of the support plate 22, and multiple support plate mounting holes are symmetrically opened at both ends of the support plate 22.

[0089] The upper part of the support rod 24 is connected to the outside of the worm gear reducer 23 by fasteners, and the lower end of the support rod 24 is connected to the support plate 22.

[0090] In this invention, the lower part of the rotary shaft 21 has the same shape, structure and size as the quick-lock male head 33; the connection method between the rotary shaft 21 and the quick-lock female head 32 is the same as the connection method between the connecting rod.

[0091] Specifically, such as Figure 10 and Figure 11 As shown, the rotary assembly 2 further includes:

[0092] Pointer 26 is connected to the rotating shaft mounting hole at the center of the top of the rotating shaft 21 via a fastener;

[0093] Angle disc 27 is attached to the upper surface of worm gear reducer 23;

[0094] The pointer 26 is located above the angle disc 27.

[0095] More specifically, such as Figure 11 As shown, the rotary assembly 2 further includes:

[0096] Slewing bearing 28 is connected to the support plate connection hole above the support plate 22.

[0097] Lifting rings 29 are symmetrically installed on the mounting holes of the support plate at the middle of both ends of the support plate 22.

[0098] The lower part of the slewing shaft 21 is also fixed to the inner ring of the slewing bearing 28 by fasteners through the slewing shaft flange, and the outer ring of the slewing bearing 28 is connected to the support plate 22 by fasteners.

[0099] In this invention, when the hand crank 25 is turned, the hand crank 25 drives the worm gear reducer 23 to rotate, and the worm gear reducer 23 drives the rotary shaft 21 to rotate. As a result, the rotary shaft 21 drives the pointer 26 connected to it to rotate above the angle dial 27, and the tester can know the angle of rotation through the angle dial 27.

[0100] Furthermore, such as Figure 13 As shown, the support base 1 includes:

[0101] Support frame 11, the support frame 11 is in the shape of an "L";

[0102] Connecting plate 12, the connecting plate 12 is connected to one end of the support frame 11 which is vertically connected;

[0103] Pin limiting seat 13, pin limiting seat 13 is symmetrically connected above the support frame 11 on both sides of the connecting component assembly port 112;

[0104] The rotary component mounting port 111 and the connecting component assembly port 112 are located on the non-connecting end of the support frame 11.

[0105] In this invention, the support base 1 is a "Z" shaped structure with a right angle, and the connecting plate 12 is provided with multiple connecting holes. The connecting plate 12 is designed to facilitate connection and fixation with the ship deck or shore.

[0106] Specifically, such as Figure 13As shown, the pin limiting seat 13 consists of two connecting columns vertically connected to the support frame 11, wherein a protective layer is also connected to the outside of the connecting columns.

[0107] In this invention, the pin limiting seat 13 is used to prevent the load-bearing pin 34 from sliding out of the support frame 11.

[0108] Furthermore, such as Figure 12 As shown, the connecting component 3 comprises at least one connecting rod connected to each other;

[0109] The connecting rod includes: connecting rod 31;

[0110] Quick-lock female connector 32 is connected to one end of connecting rod 31;

[0111] Quick-lock male connector 33 is connected to the other end of connecting rod 31;

[0112] The load-bearing pin 34 is connected to the connecting rod 31 near the end of the quick-lock nut 32.

[0113] In this invention, the connecting rod 31 is a columnar structure with open ends and a hollow interior.

[0114] Specifically, such as Figure 12 As shown, one end of the connecting rod 31 is provided with a load-bearing pin mounting hole for mounting the load-bearing pin 34;

[0115] The quick-lock female head 32 has a quick-lock female head connection port 321 opened inward at the middle of its upper end. The side wall of the quick-lock female head 32 has symmetrical pre-tightening openings 322 opened downward along the port. The side of the quick-lock female head 32 also has a quick-lock female head locking hole 323. The quick-lock female head locking holes 323 are respectively located on the side wall of the quick-lock female head 32 between the two pre-tightening openings 322. The non-quick-lock female head connection port 321 end of the quick-lock female head 32 is fixedly connected or detachably connected to the connecting rod 31.

[0116] The quick-lock male connector 33 includes a connecting plate 331 and a quick-lock connector 332 vertically connected to the middle of one end of the connecting plate 331. The lower end of the quick-lock connector 332 is provided with a quick-lock male connector locking hole 333. The non-quick-lock connector 332 end of the quick-lock male connector 33 is fixedly connected to the connecting rod 31 or detachably connected.

[0117] The quick-lock connector 332 is compatible with the quick-lock female connector 321.

[0118] In this invention, the load-bearing pin 34 and the connecting rod 31 are either fixedly connected or detachably connected, such as... Figure 12 As shown, the fixed connection is formed by inserting the load-bearing pin 34 into the load-bearing pin mounting hole and then welding them together as a whole. Figure 6As shown, the detachable connection is a load-bearing pin 34 that is sleeved onto the load-bearing pin mounting hole;

[0119] The non-quick-lock female connector 321 end of the quick-lock female connector 32 is either fixedly connected or detachably connected to the connecting rod 31, such as... Figure 12 As shown, the fixed connection is that the non-quick-lock female connector 321 end of the quick-lock female connector 32 is welded to the connecting rod 31, as shown. Figure 6 As shown, the detachable connection is achieved by connecting the quick-lock nut 32 to the connecting rod 31 via the load-bearing pin 34;

[0120] The non-quick-lock connector 332 end of the quick-lock male connector 33 is either fixedly connected or detachably connected to the connecting rod 31, such as... Figure 12 As shown, the non-quick-lock connector 332 end of the quick-lock male connector 33 is welded to the connecting rod 31, as follows. Figure 6 As shown, the detachable connection is achieved by connecting the quick-lock male connector 33 to the connecting rod 31 via a pin.

[0121] Preferably, the quick-lock female head 32 and quick-lock male head 33 are fixedly connected to both ends of the connecting rod 31, and the load-bearing pin 34 is sleeved and connected to the load-bearing pin mounting hole.

[0122] In this invention, the quick-lock female connector 321 and the pre-tightening opening 322 are connected. The quick-lock female connector 321 is a tapered kidney-shaped hole. The structure of the quick-lock connector 332 is adapted to the quick-lock female connector 321. After the quick-lock male connector 33 is inserted into the quick-lock female connector 32, it will not rotate relative to the female connector. The fastening bolt can be fixed by passing through the locking hole 323 of the quick-lock female connector and the locking hole 333 of the quick-lock male connector. A pre-tightening opening 322 is cut on the quick-lock female connector 32 to ensure the reliability of the bolt connection.

[0123] Furthermore, such as Figure 14 As shown, the adapter component 4 includes:

[0124] Connecting flange 41;

[0125] The adapter connector 42 is vertically connected to the middle of one end of the connecting flange 41;

[0126] The shape, structure, and size of the adapter connector 42 are the same as those of the quick-lock female connector 32.

[0127] In summary, a more specific embodiment of the present invention is as follows:

[0128] Before using the simple lifting and rotating underwater testing device with the above design structure, it needs to be installed as a backup.

[0129] The specific steps for using it are:

[0130] When installing the testing device, the testers first fix the connecting plate 12 of the support base 1 to the ship deck or the shore.

[0131] Then, the tester fixes the connecting flange 41 of the device under test 5 and the adapter assembly 4 with fastener screws. Then, the quick-lock male head 33 on the connecting assembly 3 is inserted into the adapter connector 42 of the adapter assembly 4 and tightened with locking bolts and nuts.

[0132] Next, the testers hung the load-bearing pin 34 on the connecting component 3 on the pin limiting seat 13 of the connecting component assembly port 112. Then, they assembled the required number of connecting components 3 in sequence. After assembling each connecting component 3, the assembled whole connecting component 3 was hung on the pin limiting seat 13 of the support base 1.

[0133] Then, after the connecting rods of the connecting component 3 have been spliced ​​to the specified length, the upper part of the assembled connecting component 3 is securely connected to the rotating shaft 21 below the rotating component 2 using fasteners, bolts and nuts.

[0134] Then, the testers moved the assembled rotary assembly 2 to the rotary assembly mounting port 111 for installation and fixation, thus completing the installation of the device under test 5 and enabling underwater testing.

[0135] Finally, the tester can turn the crank 25 to drive the device under test 5 to conduct underwater testing. When the crank 25 is turned, the crank 25 drives the worm gear reducer 23 to rotate, and the worm gear reducer 23 drives the rotary shaft 21 to rotate. As a result, the rotary shaft 21 drives the pointer 26 connected to it above to rotate above the angle dial 27. At the same time, the rotary shaft 21 also drives the connecting component 3, the adapter component 4 and the device under test 5 connected to it below to rotate synchronously. At this time, the tester can know the rotation angle of the device under test 5 through the angle dial 27.

[0136] During the above-mentioned use, if it is necessary to raise or lower the device under test 5, it is only necessary to increase or decrease the number of connecting rods of the connecting component 3. During the assembly process, the rotary component 2 can be fixed to the rotary component mounting port 111 first, and then the assembled connecting component 3, adapter component 4 and device under test 5 can be connected to the rotary shaft 21 below the rotary component 2 to complete the installation of the device under test 5.

[0137] In this invention, the support base 1 is used to support other components; the rotating component mounting port 111 and the connecting component assembly port 112 are opened at the end of the support frame 11 at a certain height, which is convenient for test personnel to operate. The support frame 11 can be welded and built with profiles according to specific usage requirements, thereby reducing costs; the rotating component mounting port 111 is the test station when the device is used; the connecting component assembly port 112 is the assembly station for the connecting component 3 and the rotating component 2; the connecting plate 12 is used to facilitate the fixing of the support base 1 to the ship deck or shore; the pin limiting seat 13 is used to prevent the load-bearing pin 34 from slipping out of the support base 1 during the assembly of the device.

[0138] In this invention, the slewing assembly 2 is a rotating component for slewing testing, converting the rotation of the crank 25 into the rotation of the slewing shaft 21, thereby driving the various components connected to the lower part of the slewing shaft 21 to rotate; the slewing shaft 21 is used to drive the rotation of the pointer 26 and the connecting assembly 3; the support plate 22 is used for hoisting and slewing testing load bearing and for the installation of part of the slewing assembly; the worm gear reducer 23 is used to convert the rotation of the crank 25 into the rotation of the slewing shaft 21, making rotation easier; the support rod 24 is used to support and connect the worm gear reducer 23 to the support plate 22; the pointer 26 and the angle dial 27 cooperate to indicate the rotation angle; the slewing bearing 28 is used to support and fix the slewing shaft 21, transmitting the axial force on the slewing shaft 21 to the support plate 22; the lifting ring 29 is used as the fixing point for the lifting rope when hoisting the slewing assembly 2.

[0139] In this invention, the connecting component 3 adopts a modular design, and a certain number can be assembled according to the test depth; the connecting rod 31 is used to connect the quick-lock female head 32, the quick-lock male head 33, and the load-bearing pin 34; the quick-lock female head 32 is used to cooperate with the quick-lock male head 33 of another connecting rod or with the rotating shaft 21 to achieve rapid assembly; the quick-lock female head connection port 321 is designed with a kidney-shaped hole and rounded edges to facilitate the quick-lock connector 332 to be quickly inserted and axially positioned; the pre-tightening opening 322 is used to reduce the gap after the bolt passes through the quick-lock female head locking hole 323 and the quick-lock male head locking hole 333 and the bolt is tightened, thus enabling quick... The locking nut 32 and quick-locking male 33 fit together precisely and will not wobble; the quick-locking male 33 is used to cooperate with the quick-locking nut 32 of another connecting rod or with the adapter connector 42; the connecting plate 331 is used to connect with the connecting rod 31; the quick-locking connector 332 is used to snap into the quick-locking nut connector 321 to provide axial positioning, so that the quick-locking nut locking hole 323 and the quick-locking male locking hole 333 are coaxial, making it easy for bolts to pass through; the quick-locking connector 332 has a kidney-shaped hole design with rounded edges; the load-bearing pin 34 is used to hang on the connecting component assembly port 112 during assembly, mainly to bear the load.

[0140] In this invention, the connecting flange 41 at one end of the adapter assembly 4 is used to connect to the device under test 5, and the adapter connector 42 at the other end is used to connect to the quick-lock male connector 33 of the connecting assembly 3.

[0141] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A simple lifting and rotating underwater testing device, characterized in that, include: Support base (1), one end of the support base (1) is connected to the ship deck or shore, and the other end of the support base (1) is provided with a rotating component installation port (111) and a connecting component assembly port (112); Rotary assembly (2), which is detachably installed at the rotary assembly mounting port (111); The connecting component (3) is detachably installed on the lower part of the rotating shaft (21) of the rotating component (2); The adapter component (4) is detachably connected to the connecting component (3) at one end and connected to the device under test (5) at the other end.

2. The simple lifting and rotating underwater testing device according to claim 1, characterized in that, The rotary assembly (2) includes: Rotary shaft (21) passes through support plate (22) and is fixedly connected to worm gear shaft of worm gear reducer (23); Support plate (22) is detachably mounted above the rotary assembly mounting port (111) by fasteners; The worm gear reducer (23) is mounted on the support plate (22) at its four corners via support rods (24); A hand crank (25) is fixedly connected at one end to the worm shaft of the worm gear reducer (23).

3. The simple lifting and rotating underwater testing device according to claim 2, characterized in that, The rotary shaft (21) is a stepped shaft. A rotary shaft mounting hole is provided at the middle of the top of the rotary shaft (21), and a rotary shaft connecting hole is provided through the bottom of the rotary shaft (21). The support plate (22) is a rectangular plate-shaped component. A support plate connection hole is opened through the middle of the support plate (22), and multiple support plate mounting holes are symmetrically opened at both ends of the support plate (22). The upper part of the support rod (24) is connected to the outside of the worm gear reducer (23) by fasteners, and the lower end of the support rod (24) is connected to the support plate (22).

4. The simple lifting and rotating underwater testing device according to claim 2, characterized in that, The rotary assembly (2) also includes: The pointer (26) is connected to the rotating shaft mounting hole at the top center of the rotating shaft (21) by a fastener; Angle plate (27) is attached to the upper surface of the worm gear reducer (23); The pointer (26) is located above the angle disk (27).

5. A simple lifting and rotating underwater testing device according to claim 2, characterized in that, The rotary assembly (2) also includes: Slewing bearing (28) is connected to the support plate connection hole above the support plate (22); Lifting rings (29) are symmetrically installed on the mounting holes of the support plate at the middle of both ends of the support plate (22); The lower part of the slewing shaft (21) is also fixed to the inner ring of the slewing bearing (28) by fasteners through the slewing shaft flange, and the outer ring of the slewing bearing (28) is connected to the support plate (22) by fasteners.

6. The simple lifting and rotating underwater testing device according to claim 1, characterized in that, The support base (1) includes: Support frame (11), the support frame (11) is in the shape of an "L"; A connecting plate (12) is connected to one end of a vertically connected support frame (11); Pin limiting seat (13) is symmetrically connected above the support frame (11) on both sides of the connection component assembly port (112); The rotary component mounting port (111) and the connecting component assembly port (112) are located on the non-connecting end of the support frame (11).

7. A simple lifting and rotating underwater testing device according to claim 6, characterized in that, The pin limiting seat (13) consists of two connecting columns vertically connected above the support frame (11), wherein a protective layer is also connected to the outside of the connecting columns.

8. A simple lifting and rotating underwater testing device according to claim 1, characterized in that, The connecting component (3) consists of at least one connecting rod connected to each other; The connecting rod includes: a connecting rod (31); Quick-lock female connector (32) is connected to one end of the connecting rod (31); Quick-lock male connector (33) is connected to the other end of the connecting rod (31); The load-bearing pin (34) is connected to the connecting rod (31) near the end of the quick-lock nut (32).

9. A simple lifting and rotating underwater testing device according to claim 8, characterized in that, One end of the connecting rod (31) is provided with a load-bearing pin mounting hole for installing the load-bearing pin (34); The upper middle part of the quick-lock female head (32) is provided with a quick-lock female head connection port (321) and the side wall of the quick-lock female head (32) is provided with pre-tightening openings (322) symmetrically downward along the port. The side of the quick-lock female head (32) is also provided with a quick-lock female head locking hole (323). The quick-lock female head locking hole (323) is located on the side wall of the quick-lock female head (32) between the two pre-tightening openings (322). The non-quick-lock female head connection port (321) end of the quick-lock female head (32) is fixedly connected or detachably connected to the connecting rod (31). The quick-lock male connector (33) includes a connecting plate (331) and a quick-lock connector (332) vertically connected to the middle of one end of the connecting plate (331). The lower end of the quick-lock connector (332) is provided with a quick-lock male connector locking hole (333). The non-quick-lock connector (332) end of the quick-lock male connector (33) is fixedly connected to the connecting rod (31) or detachably connected. The quick-lock connector (332) is compatible with the quick-lock female connector (321).

10. A simple lifting and rotating underwater testing device according to claim 1, characterized in that, The adapter component (4) includes: Connecting flange (41); The adapter connector (42) is vertically connected to the middle of one end of the connecting flange (41); The shape, structure, and size of the adapter connector (42) are the same as those of the quick-lock female connector (32).

Images