Pre-positioning tool for lateral support of marine main engine

Abstract

The utility model discloses a pre-positioning tool for a lateral support of a ship main engine, and relates to the technical field of ships, the pre-positioning tool specifically comprises a mounting plate, a plug board and a contact plate, one side of the mounting plate is provided with a plug groove, the plug board is installed in an inner cavity of the plug groove in a sliding mode, and a plurality of main traction metal ropes are movably connected to an inner cavity of the plug board in a sleeved mode. According to the pre-positioning tool for the lateral support of the marine main engine, when a mounting plate and an inserting plate are mounted, a first driving motor is used for driving a rotating column to rotate, the rotating column is used for driving a plurality of winding rollers to wind a main traction metal rope connected to the winding rollers, and then a secondary traction rope is pulled to move; at the moment, the secondary pulling rope moves along a channel formed in the inserting plate, then the square sliding block is pulled to move, the supporting spring is compressed, the movable rod is made to retract into an inner cavity of the mounting column, then blocking after the movable rod completely extends out is avoided, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pre-positioning tools for ship main engine supports, and specifically relates to a pre-positioning tool for lateral supports of ship main engines. Background Technique

[0002] The ship main engine, that is, the ship power plant, is a machine that provides power for various ships. According to the nature of the fuel used, the place of combustion, the working medium used, and its working mode, etc., the ship main engine can be divided into steam engines, internal combustion engines, nuclear power engines, and electric motors. During the installation of the ship main engine, in order to increase the stability after installation, it is necessary to add a support structure on the side of the ship main engine during installation so that the ship main engine is more stable during operation. The existing support is often achieved by adding gaskets. However, since the main engine needs to be installed first and then the gaskets are added, the gaskets need to be polished smooth before they can be inserted. But polishing the gaskets is time-consuming and laborious, and it is also very laborious when installing and inserting them. Moreover, using this method is likely to cause a certain degree of damage to the surface of the ship main engine, such as scratches, etc. In addition, the ship main engine may shift to a certain extent during installation, causing an angle to form between the ship main engine and the inner wall of the installation location, resulting in it being difficult for the flat gasket to fully contact the ship main engine, leading to poor support of the gasket.

[0003] Therefore, some pre-positioning tools for lateral supports of ship main engines have emerged on the market. The most representative product, such as the utility model patent with the application number "CN202321163060.6", discloses a pre-positioning tool for lateral supports of ship main engines, including a mounting plate and an inserting plate. The inserting plate is movably installed on the mounting plate. A plurality of sleeves are arranged in an array on the inserting plate. A movable rod is movably arranged in the sleeve. A contact plate is arranged on the front side of the mounting plate. The shape of the contact plate is adapted to the contact surface of the ship main engine. A sleeve is arranged at the center position of the mounting plate. Compared with the traditional method of directly inserting gaskets between the ship main engine and the installation location, it is easier to insert gaskets between the mounting plate and the contact plate, and there are more points where welding can be done, increasing the stability of the equipment and also increasing the convenience during equipment installation.

[0004] However, there are still some deficiencies in the use of this patented product. Firstly, during use, the mounting plate needs to be inserted and fixed at the installation location, so that the movable rod contacts the surface of the ship's main engine. However, due to the elastic action of the spring, all the movable rods will extend to the limit position. At this time, since all the movable rods are fully extended, they will conflict with the surface of the ship's main engine, resulting in inconvenience in inserting the entire mounting plate at the installation location. Secondly, after the movable rod moves, it will mark a scale. However, when the mounting plate is removed, the entire spring will expand again because there is no limit from the ship's main engine. This causes the staff to be unable to effectively read the scale value and can only read it without taking out the mounting plate, with very limited operation and great inconvenience. Secondly, the existing product needs to rotate the nut to adjust the position of the contact plate, and the nut is located between the contact plate and the mounting plate, with very little operating space, resulting in inconvenient operation. Therefore, we have conducted research and improvement on the basis of the existing product and proposed a pre-positioning tooling for the lateral support of the ship's main engine. Utility Model Content

[0005] The utility model provides a pre-positioning tooling for the lateral support of a ship's main engine, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A pre-positioning tooling for the lateral support of a ship's main engine includes a mounting plate, a plug-in plate, and a contact plate. One side of the mounting plate is plugged with a detachable plug-in plate. One side of the plug-in plate is fixedly connected with a plurality of mounting columns. A movable square slider is movably connected inside the mounting column. One end of the square slider is connected with a movable rod that can extend out of the mounting column. And a support spring for driving the square slider to reset is sleeved inside the mounting column cavity and between the square slider and the plug-in plate. The other end of the square slider is fixedly connected with a secondary traction rope. One ends of the plurality of secondary traction ropes are respectively fixedly connected with a plurality of main traction metal ropes. At the same time, a rotatable rotating column is movably sleeved inside the plug-in plate. A plurality of winding rollers are installed on the surface of the rotating column. And the plurality of main traction metal ropes are respectively fixedly connected with the plurality of winding rollers. The bottom of the mounting column is rotatably installed with a linkage column. The outer surface of one end of the linkage column is fixedly connected with a cam. The cam can rotate into the inside of the mounting column and contact the outer surface of the movable rod. A support mechanism is installed on the mounting plate.

[0007] Optionally, a plug-in slot is opened on one side of the mounting plate. The inner cavity of the plug-in slot is slidably installed with the plug-in plate. The plurality of main traction metal ropes are movably sleeved inside the inner cavity of the plug-in plate.

[0008] Optionally, square grooves are formed inside the mounting posts. The square sliders are slidably mounted in the inner cavities of the square grooves. One end of the support spring is connected to the square slider, and the other end of the support spring is connected to the plugging plate. A first driving motor is fixedly connected to the front surface of the plugging plate. A rotating column is fixedly installed on the output shaft of the first driving motor. An avoidance groove is formed at the bottom of the mounting post. The position of the cam corresponds to that of the avoidance groove. The cam passes through the avoidance groove and abuts against the surface of the movable rod. One end of the linkage column is rotatably installed inside the plugging plate and fixedly connected with a second worm gear. A second worm is rotatably installed in the inner cavity of the plugging plate. The second worm meshes with the second worm gear. One end of the second worm extends outside the plugging plate and is fixedly connected with a transmission worm gear. A second driving motor is fixedly installed on the front surface of the plugging plate. A main transmission worm is fixedly connected to the output shaft of the second driving motor. The main transmission worm meshes with the transmission worm gear.

[0009] Optionally, a mounting block is installed on the front surface of the plugging plate. The rotating column and the main transmission worm are both rotatably connected to the mounting block.

[0010] Optionally, the support mechanism includes a support post, a first worm, a first worm gear, a rectangular push post, and a rectangular base. The support post is fixedly installed on the mounting plate. A rectangular base is slidably installed in the inner cavity of the support post. A rectangular push post is fixedly connected to one side of the rectangular base. A screw rod is threadedly installed in the inner cavity of the rectangular base. One end of the screw rod is movably sleeved in the inner cavity of the rectangular push post. The other end of the screw rod extends into the mounting plate. A first worm gear is fixedly installed at the other end of the screw rod. A first worm is rotatably installed in the mounting plate. The first worm meshes with the first worm gear. One end of the first worm extends outside the mounting plate and is fixedly installed with a rotating disk. The outer wall of the rectangular base fits with the inner wall of the support post.

[0011] Optionally, a scale is provided on the upper surface of the mounting post. A through groove is formed on the upper surface of the mounting post. A pointing block is connected to the top of the square slider. The pointing block penetrates through the through groove and extends outside the mounting post. A rubber pad is installed at the end of the movable rod.

[0012] Optionally, the contact plate is sleeved on the surface of the mounting plate. An activity groove is formed on the back surface of the plugging plate, and the position of the activity groove corresponds to that of the mounting plate. The support post penetrates through the inner cavity of the activity groove.

[0013] Optionally, an anti-slip pad is connected to the surface of the cam.

[0014] The utility model has the following beneficial effects:

[0015] 1. The pre-positioning tooling of the lateral support of the main engine of the ship, through the pre-positioning tooling of the lateral support of the main engine of the ship, when the mounting plate and the plug-in plate are installed, the first driving motor is used to drive the rotating column to rotate, and the rotating column is used to carry multiple winding rollers to respectively wind up the main traction metal ropes connected thereto, thereby pulling the secondary traction rope to move. At this time, the secondary traction rope moves along the channel opened inside the plug-in plate, and then pulls the square slider to move, thereby compressing the support spring, so that the movable rod is retracted into the inner cavity of the mounting column, thereby avoiding obstruction after the movable rod is fully extended, and the operation is more convenient. After the mounting plate is inserted and fixed at the mounting position, the first driving motor is used to drive the rotating column to rotate in the opposite direction, thereby releasing the wound main traction metal rope, and the support spring does not The traction of the secondary traction rope will push the square slider to move, so that the movable rod will contact the surface of the ship's main engine. At this time, the second drive motor is started to drive the main transmission worm to rotate, and the main transmission worm drives all the worm gears to rotate. The rotation of worm gear 2 drives the meshing worm wheel 2 to rotate. The rotation of worm wheel 2 drives the linkage column to rotate and then drives the cam to rotate, so that the convex surface of the cam rotates to the inner cavity of the avoidance groove and conflicts with the surface of the movable rod, thereby fixing all the movable rods. After removing the mounting plate, the movable rod will not move, and the stability is strong. The staff can easily read the scale pointed by the pointing block, and then write down the data and customize the contact plate accordingly. The operating space is large and the data is more accurate, which improves the convenience of using the pre-positioning tooling for the lateral support of the ship's main engine.

[0016] 2. The pre-positioning tooling of the lateral support of the ship's main engine is used to install the contact plate. The contact plate is placed on the mounting plate and the mounting plate is installed at the rear mounting position. The contact plate fits the surface of the ship's main engine. Then, the rotating disk on the front of the mounting plate is rotated. The rotation of the rotating disk drives the worm to rotate. The worm drives the worm wheel to rotate and drives the screw to rotate. Since the rectangular base can only slide left and right in the inner cavity of the support column, the rotation of the rectangular push column will drive the rectangular base to move. The rectangular base pushes the rectangular push column to move and contact the contact plate, thereby resisting the contact plate, thereby making the contact plate further fit the surface of the ship's main engine. During operation, there is no need to work in the narrow space between the mounting plate and the contact plate, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model in cross section;

[0018] Figure 2 It is a structural schematic diagram of the front side of the utility model;

[0019] Figure 3 For this utility model Figure 1 A schematic diagram of the structure enlargement at the center A;

[0020] Figure 4Structural schematic diagram of one of the main traction metal ropes of the present utility model;

[0021] Figure 5 Structural schematic diagram of the side of the plug-in board of the present utility model.

[0022] In the figure: 1. mounting plate; 2. plug-in slot; 3. plug-in board; 4. contact plate; 5. first driving motor; 6. second driving motor; 7. rotating column; 8. main driving worm; 9. winding roller; 10. support column; 11. mounting column; 12. avoidance groove; 13. driving worm gear; 14. rotating disk; 15. linkage column; 16. cam; 17. support spring; 18. square slider; 19. movable rod; 20. square groove; 21. screw; 22. rectangular push column; 23. movable groove; 24. rectangular base; 25. worm one; 26. worm gear one; 27. worm gear two; 28. worm two; 29. main traction metal rope; 30. secondary traction rope; 31. mounting block. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Refer to Figures 1-5, the present utility model provides a pre-positioning tooling for lateral support of a ship's main engine, including a mounting plate 1, a plug-in plate 3, and a contact plate 4. A plug-in slot 2 is opened on one side of the mounting plate 1, and the plug-in plate 3 is slidably installed in the inner cavity of the plug-in slot 2, so that the plug-in plate 3 can be stably installed on the mounting plate 1. A plurality of main traction metal ropes 29 are movably sleeved in the inner cavity of the plug-in plate 3, so that the main traction metal ropes 29 can be stably stretched along a fixed track. A plurality of mounting columns 11 are fixedly connected to one side of the plug-in plate 3, and square slots 20 are opened inside the mounting columns 11. Square sliders 18 are slidably installed in the inner cavities of the square slots 20, so that the square sliders 18 can move along a fixed track. One end of the square slider 18 is connected to a movable rod 19. Driven by the square slider 18, the movable rod 19 can move along a fixed track, and the movable rod 19 extends to the outside of the mounting column 11, so that the movable rod 19 can abut against the contact plate 4. A support spring 17 is sleeved inside the mounting column 11 between the square slider 18 and the plug-in plate 3. One end of the support spring 17 is connected to the square slider 18, and the other end of the support spring 17 is connected to the plug-in plate 3. Through the support spring, the movable rod 19 can automatically return to its original position. The other end of the square slider 18 is fixedly connected to a secondary traction rope 30. Driven by the secondary traction rope 30, the square slider 18 can move. One ends of a plurality of secondary traction ropes 30 are fixedly connected to the surface of the main traction metal rope 29. Driven by the main traction metal rope 29, the secondary traction ropes 30 can be pulled. A first driving motor 5 is fixedly connected to the front surface of the plug-in plate 3. A rotating column 7 is fixedly installed on the output shaft of the first driving motor 5. Driven by the output shaft of the first driving motor 5, the rotating column 7 can rotate. A plurality of winding rollers 9 are installed on the surface of the rotating column 7. Driven by the rotating column 7, the winding rollers 9 can rotate and wind, and a plurality of main traction metal ropes 29 are respectively fixedly connected to the plurality of winding rollers 9;Subsequently, the rotation of the winding roller 9 can drive the main traction metal rope 29 to move and wind the main traction metal rope 29. A linkage column 15 is rotatably installed at the bottom of the mounting column 11. The linkage column 15 can rotate at a fixed position at the bottom of the mounting column 11. An avoidance groove 12 is formed at the bottom of the mounting column 11. A cam 16 is fixedly connected to the surface of the linkage column 15. Driven by the linkage column 15, the cam 16 can rotate. The position of the cam 16 corresponds to that of the avoidance groove 12. The cam 16 passes through the avoidance groove 12 and abuts against the surface of the movable rod 19. The cam 16 can rotate through the avoidance groove 12 to contact the movable rod 19, thereby restricting the movable rod 19 and making the movable rod 19 more stable. One end of the linkage column 15 is rotatably installed inside the plug-in board 3 and fixedly connected with a second worm gear 27. Driven by the second worm gear 27, the linkage column 15 can rotate. A second worm 28 is rotatably installed in the inner cavity of the plug-in board 3. The second worm 28 meshes with the second worm gear 27. Driven by the second worm 28, the second worm gear 27 can rotate. One end of the second worm 28 extends to the outside of the plug-in board 3 and is fixedly connected with a transmission worm gear 13. Driven by the transmission worm gear 13, the second worm 28 can rotate. A second driving motor 6 is fixedly installed on the front surface of the plug-in board 3. The output shaft of the second driving motor 6 is fixedly connected with a main driving worm 8. Driven by the output shaft of the second driving motor 6, the main driving worm 8 can rotate. The main driving worm 8 meshes with the transmission worm gear 13. Driven by the main driving worm 8, the transmission worm gear 13 can rotate. A support mechanism is installed on the mounting plate 1.;

[0025] Among them, a mounting block 31 is installed on the front surface of the plug-in board 3. The rotating column 7 and the main driving worm 8 are both rotatably connected to the mounting block 31.

[0026] Among them, the support mechanism includes a support column 10, a first worm 25, a first worm gear 26, a rectangular push column 22, and a rectangular base 24. The support column 10 is fixedly installed on the mounting plate 1. A rectangular base 24 is slidably installed in the inner cavity of the support column 10. Through the rectangular structure, the rectangular base 24 can stably move along a fixed track. A rectangular push column 22 is fixedly connected to one side of the rectangular base 24. Driven by the rectangular base 24, the rectangular push column 22 can move. A screw rod 21 is threadedly installed in the inner cavity of the rectangular base 24. Under the action of the rotation of the screw rod 21, the rectangular base 24 can move. One end of the screw rod 21 is movably sleeved in the inner cavity of the rectangular push column 22, and the other end of the screw rod 21 extends into the interior of the mounting plate 1, so that the screw rod 21 can rotate at a fixed position on the mounting plate 1. A first worm gear 26 is fixedly installed at the other end of the screw rod 21. Driven by the first worm gear 26, the screw rod 21 can rotate. A first worm 25 is rotatably installed in the interior of the mounting plate 1. The first worm 25 can rotate at a fixed position within the mounting plate 1. The first worm 25 meshes with the first worm gear 26. Driven by the first worm 25, the first worm gear 26 can rotate. One end of the first worm 25 extends to the outside of the mounting plate 1 and is fixedly installed with a rotating disc 14. The outer wall of the rectangular base 24 fits against the inner wall of the support column 10.

[0027] Among them, a scale is provided on the upper surface of the mounting column 11. A through groove is opened on the upper surface of the mounting column 11. A pointing block is connected to the top of the square slider 18, and the pointing block passes through the through groove and extends to the outside of the mounting column 11. A rubber pad is installed at the end of the movable rod 19, which can increase the friction with the movable rod 19, so that the limiting effect is better.

[0028] Among them, the contact plate 4 is sleeved on the surface of the mounting plate 1. An activity groove 23 is opened on the back of the plug-in board 3, and the activity groove 23 corresponds to the position of the mounting plate 1. The support column 10 passes through the inner cavity of the activity groove 23. When installing the plug-in board 3, the activity groove 23 is used to avoid the support column 10.

[0029] Among them, an anti-slip pad is connected to the surface of the cam 16. The anti-slip pad is used to increase the friction between the cam 16 and the movable rod 19 and improve the stability.

[0030] In summary, for the pre-positioning tooling of the lateral support of the ship's main engine, during use, insert the plug-in board 3 into the plug-in slot 2 on the mounting board 1, and then start the first driving motor 5. Drive the rotating column 7 to rotate through the first driving motor 5. By using the rotation of the rotating column 7, the multiple winding rollers 9 respectively wind the main traction metal ropes 29 connected thereto, and then pull the secondary traction ropes 30 to move. At this time, the secondary traction ropes 30 move along the channels opened inside the plug-in board 3, thereby pulling the square slider 18 to move. Its support spring 17 is gradually compressed along with the square slider 18. Driven by the square slider 18, the movable rod 19 retracts into the inner cavity of the mounting column 11, and use bolts to connect the mounting board 1 and the plug-in board 3;

[0031] Then insert the mounting board 1 at the installation location and fix it. At this time, control the first driving motor 5 to drive the rotating column 7 to rotate in the reverse direction, and then release the wound main traction metal ropes 29. At this time, the support spring 17 will push the square slider 18 to move in the reverse direction without being pulled by the secondary traction ropes 30, thereby making the movable rod 19 contact the surface of the ship's main engine. At this time, start the second driving motor 6, and then drive the main driving worm 8 to rotate. Drive all the second worms 28 to rotate by using the rotation of the main driving worm 8. Drive the second worm wheels 27 engaged therewith to rotate by using the rotation of the second worms 28. The rotation of the second worm wheels 27 drives the linkage column 15 to rotate, and then drives the cam 16 to rotate, so that the convex surface of the cam 16 rotates into the inner cavity of the avoidance groove 12 and abuts against the surface of the movable rod 19, thereby fixing all the movable rods 19. At this time, the mounting board 1 can be removed. The staff reads the scale pointed to by the pointing block and then writes down the data to customize the contact plate 4 accordingly;

[0032] Subsequently, remove the plug-in board 3, place the contact plate 4 on the mounting board 1, and at the same time install the mounting board 1 at the installation location. The contact plate 4 fits against the surface of the ship's main engine. Then rotate the rotating disk 14 on the front of the mounting board 1. There is a hexagonal hole in the middle of the rotating disk 14. When needed, a hexagonal wrench can be used to assist in rotating the rotating disk 14. The rotation of the rotating disk 14 drives the first worm 25 to rotate. The first worm 25 drives the first worm wheel 26 to rotate and drives the screw 21 to rotate. Since the rectangular base 24 can only slide left and right in the inner cavity of the support column 10, the rotation of the rectangular push column 22 will drive the rectangular base 24 to move. The rectangular base 24 pushes the rectangular push column 22 to move and contact the contact plate 4, thereby abutting against the contact plate 4, and further making the contact plate 4 fit against the surface of the ship's main engine. Then insert a gasket between the contact plate 4 and the mounting board 1, and finally perform welding.

[0033] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-positioning tooling for the lateral support of a ship's main engine, comprising a mounting plate (1), a plug-in plate (3), and a contact plate (4), characterized in that: One side of the mounting plate (1) is plugged with a detachable plug-in plate (3). One side of the plug-in plate (3) is fixedly connected with a plurality of mounting posts (11). A movable square slider (18) is movably connected inside the mounting post (11). One end of the square slider (18) is connected with a movable rod (19) that can extend out of the mounting post (11). And a support spring (17) for driving the square slider (18) to reset is sleeved inside the mounting post (11) and between the square slider (18) and the plug-in plate (3). The other end of the square slider (18) is fixedly connected with a secondary traction rope (30). One ends of the plurality of secondary traction ropes (30) are respectively fixedly connected with a plurality of main traction metal ropes (29). At the same time, a rotatable rotating column (7) is movably sleeved inside the plug-in plate (3). A plurality of winding rollers (9) are installed on the surface of the rotating column (7). And the plurality of main traction metal ropes (29) are respectively fixedly connected with the plurality of winding rollers (9). The bottom of the mounting post (11) is rotatably installed with a linkage column (15). The outer surface of one end of the linkage column (15) is fixedly connected with a cam (16). The cam (16) can rotate into the inside of the mounting post (11) and contact the outer surface of the movable rod (19). A support mechanism is installed on the mounting plate (1).

2. The pre-positioning tooling for the lateral support of a ship's main engine according to claim 1, characterized in that: One side of the mounting plate (1) is provided with a plug-in slot (2). The inner cavity of the plug-in slot (2) is slidably installed with the plug-in plate (3). The plurality of main traction metal ropes (29) are movably sleeved inside the plug-in plate (3).

3. The pre-positioning tooling for lateral support of a marine main engine according to claim 2, characterized in that: Square slots (20) are respectively opened inside the mounting posts (11). The square slider (18) is slidably installed in the inner cavity of the square slot (20). One end of the support spring (17) is connected with the square slider (18). The other end of the support spring (17) is connected with the plug-in plate (3). The front of the plug-in plate (3) is fixedly connected with a first driving motor (5). The output shaft of the first driving motor (5) is fixedly installed with a rotating column (7). An avoidance slot (12) is opened at the bottom of the mounting post (11). The position of the cam (16) corresponds to that of the avoidance slot (12). The cam (16) passes through the avoidance slot (12) and abuts against the surface of the movable rod (19). One end of the linkage column (15) is rotatably installed inside the plug-in plate (3) and fixedly connected with a second worm gear (27). A second worm (28) is rotatably installed in the inner cavity of the plug-in plate (3). The second worm (28) is meshed with the second worm gear (27). One end of the second worm (28) extends to the outside of the plug-in plate (3) and is fixedly connected with a transmission worm gear (13). The front of the plug-in plate (3) is fixedly installed with a second driving motor (6). The output shaft of the second driving motor (6) is fixedly connected with a main driving worm (8). The main driving worm (8) is meshed with the transmission worm gear (13).

4. The pre-positioning tooling for the lateral support of a ship's main engine according to claim 3, characterized in that: A mounting block (31) is installed on the front of the plug-in plate (3). Both the rotating column (7) and the main driving worm (8) are rotatably connected with the mounting block (31).

5. The pre-positioning tooling for lateral support of a ship's main engine according to claim 3, characterized in that: The support mechanism includes a support column (10), a first worm (25), a first worm gear (26), a rectangular push column (22), and a rectangular base (24). The support column (10) is fixedly installed on the mounting plate (1). A rectangular base (24) is slidably installed in the inner cavity of the support column (10). A rectangular push column (22) is fixedly connected to one side of the rectangular base (24). A screw rod (21) is threadedly installed in the inner cavity of the rectangular base (24). One end of the screw rod (21) is movably sleeved into the inner cavity of the rectangular push column (22). The other end of the screw rod (21) extends into the interior of the mounting plate (1). A first worm gear (26) is fixedly installed at the other end of the screw rod (21). A first worm (25) is rotatably installed in the interior of the mounting plate (1). The first worm (25) meshes with the first worm gear (26). One end of the first worm (25) extends to the outside of the mounting plate (1) and is fixedly installed with a rotating disk (14). The outer wall of the rectangular base (24) fits against the inner wall of the support column (10).

6. The pre-positioning tooling for the lateral support of a ship's main engine according to claim 5, characterized in that: The upper surface of the mounting column (11) is provided with scales. A through groove is opened on the upper surface of the mounting column (11). The top of the square slider (18) is connected with a pointing block, and the pointing block penetrates through the through groove and extends to the outside of the mounting column (11). A rubber pad is installed at the end of the movable rod (19).

7. A pre-positioning tooling for lateral support of a ship's main engine according to claim 6, characterized in that: The contact plate (4) is sleeved on the surface of the mounting plate (1). An activity groove (23) is opened on the back of the plugging plate (3), and the activity groove (23) corresponds to the position of the mounting plate (1). The support column (10) penetrates through the inner cavity of the activity groove (23).

8. A pre-positioning tooling for lateral support of a marine main engine according to claim 1, characterized in that: An anti-slip pad is connected to the surface of the cam (16).

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