Marine diesel engine crankshaft on-site repair tool

Abstract

The utility model discloses a ship diesel engine crankshaft on-site repairing tool in the technical field of ships, which comprises a base, a screw rod is rotatably connected between the inner walls of the front and rear sides of the inner cavity of the base, the surface of the screw rod is movably connected with a first sliding block in a threaded manner, and two sliding rods are fixedly mounted between the inner walls of the front and rear sides of the inner cavity of the base. The two sliding rods are located on the two acting sides of the threaded rod correspondingly, by arranging the first motor, when a worker grinds the crankshaft, the first motor is controlled, the first motor is started to drive the threaded rod to rotate, the threaded rod rotates to drive the first sliding block on the surface to move, and the first sliding block moves to drive the top moving base to move front and back; according to the crankshaft surface grinding device, the two positioning shells move, the multiple driving motors are arranged in the positioning shells, the driving motors are started to drive the grinding pieces to comprehensively grind the surface of a crankshaft, the surface of the crankshaft can be fully ground conveniently by moving the moving seat front and back, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to an on-site repair tool for a crankshaft of a ship diesel engine. Background Art

[0002] Ship is a general term for various vessels. Ship is a means of transportation that can sail or anchor in waters for transportation or operations. It has different technical performance, equipment and structural types according to different usage requirements. Ship is a man-made means of transportation that mainly operates in geographical waters. In addition, civilian ships are generally called ships, military ships are called ships, and small ships are called boats or boats. They are generally called ships or boats. The interior mainly includes accommodation space, support structure and drainage structure. It has a propulsion system that utilizes external or self-contained energy. The appearance is generally a streamlined envelope that is conducive to overcoming fluid resistance. The materials are constantly updated with the advancement of science and technology. In the early days, they were natural materials such as wood, bamboo, and hemp. In modern times, they are mostly steel, aluminum, fiberglass, acrylic and various composite materials.

[0003] The existing patent publication number is CN215281191U, which discloses a ship diesel engine crankshaft on-site repair tool, including a base, the bottom of the base is provided with walking wheels, the side wall of the base is provided with four supporting mechanisms, and the four supporting mechanisms are arranged in a rectangular shape, a lifting cylinder is installed on the upper end of the base, the telescopic end of the lifting cylinder faces upward and is fixedly connected to a mounting frame, the upper end of the base is provided with two guide mechanisms connected to the mounting frame, and the two guide mechanisms are arranged on both sides of the lifting cylinder, two push cylinders are installed in the mounting frame, the telescopic ends of the two push cylinders pass through the mounting frame and are fixedly connected to the same mounting seat, the middle part of the lower end of the mounting seat is fixedly connected with a mounting rod, and the lower end of the mounting rod is fixed with a connecting seat. The utility model can conveniently grind and repair ship crankshafts, and the grinding is fast and stable, which reduces the difficulty of operation for workers and reduces the labor intensity of workers.

[0004] The existing marine diesel engine crankshaft usually needs a grinding tool to grind its surface, but due to the certain length of the crankshaft, when wrapping it, the crankshaft or the grinding device needs to be moved to fully grind the crankshaft surface, but the existing device requires manual movement of the grinding device, which is time-consuming and labor-intensive, and reduces the grinding and repair efficiency. To this end, we propose a marine diesel engine crankshaft on-site repair tool to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the purpose of the utility model is to provide an on-site repair tool for a ship diesel engine crankshaft, which can solve the problem that the existing ship diesel engine crankshaft usually requires a grinding tool to grind its surface, but since the crankshaft has a certain length, when wrapping it, it is necessary to move the crankshaft or the grinding device to fully grind the crankshaft surface, but the existing device requires manual movement of the grinding device, which is time-consuming and labor-intensive, and reduces the grinding and repair efficiency.

[0007] In order to solve the above technical problems, the utility model provides a ship diesel engine crankshaft on-site repair tool, which adopts the following technical solution: it includes a base, a screw is rotatably connected between the inner walls on the front and rear sides of the base cavity, a first slider is movably connected to the surface of the screw by a thread, two sliding rods are fixedly installed between the inner walls on the front and rear sides of the base cavity, the two sliding rods are respectively located on both sides of the screw, and second sliders are slidably arranged on the surfaces of the two sliding rods, a moving seat is fixedly installed on the top of the first slider and the two second sliders, and two positioning shells are provided above the moving seat.

[0008] Optionally, a bidirectional lead screw is rotatably connected between the inner walls on both sides of the inner cavity of the movable seat, a limit plate is fixedly installed in the inner cavity of the movable seat, the limit plate is located in the middle of the bidirectional lead screw, and the bidirectional lead screw is rotatably connected to the inside of the limit plate.

[0009] Optionally, both left and right sections of the bidirectional lead screw are threadedly movably connected to a moving block, and the two positioning shells are fixedly installed on the top of the corresponding moving block.

[0010] Optionally, a first motor is fixedly installed on the rear side of the base, and the output end of the first motor is fixedly connected to the rear end of the screw rod; a second motor is fixedly installed on the left side of the movable base, and the output end of the second motor is fixedly connected to the left end of the bidirectional screw rod.

[0011] Optionally, a plurality of driving motors are fixedly installed in the inner cavities of the two positioning shells, a grinding sheet is fixedly connected to the output end of each driving motor, and a plurality of heat dissipation holes are opened on the surfaces of the two positioning shells.

[0012] Optionally, two dust suction plates are fixedly mounted on the top of the movable seat, and the two dust suction plates are respectively located on the front and rear sides of the two positioning shells.

[0013] Optionally, a dust box is fixedly installed on the right side of the movable seat, two dust pipes are fixedly connected to the top of the dust box, one end of the two dust pipes away from the dust box is fixedly installed on the right side of the corresponding dust plate, a discharge pipe is fixedly installed in the inner cavity of the dust box, a collection box is inserted in the inner cavity of the dust box, and the collection box is located below the discharge pipe.

[0014] In summary, the utility model includes at least one of the following beneficial effects: 1. By setting the first motor, when the staff is grinding the crankshaft, by controlling the first motor, the first motor starts to drive the screw to rotate, the rotation of the screw drives the first slider on the surface to move, the movement of the first slider drives the top moving seat to move back and forth, that is, the two positioning shells move, and by arranging multiple driving motors inside the positioning shell, the driving motor starts to drive the grinding plate to comprehensively grind the crankshaft surface, and by moving the moving seat back and forth, it is convenient to fully grind the surface of the crankshaft. The operation is simple and practical.

[0015] 2. By setting up dust suction plates, the two dust suction plates are respectively located on the front and rear sides of the positioning shell. When the grinding sheet on the surface of the positioning shell is grinding the surface of the crankshaft, the spattered waste chips can be collected by the dust suction plates. By setting up a dust suction box, the dust suction box is started to absorb the dust generated by grinding through two dust suction pipes and the dust suction plates, and finally discharged into the collection box through the discharge pipe for easy collection. When the crankshaft is ground, the waste chips can be collected to achieve the effect of automatic cleaning, reduce space pollution, and have strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

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

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model on the right side;

[0019] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 It is a front sectional schematic diagram of the overall structure of the utility model.

[0021] Explanation of the accompanying drawings: 1. Base; 2. Screw; 3. First slider; 4. Slide rod; 5. Second slider; 6. Moving seat; 7. Positioning shell; 8. Bidirectional screw; 9. Limit plate; 10. Moving block; 11. First motor; 12. Second motor; 13. Driving motor; 14. Grinding disc; 15. Heat dissipation hole; 16. Dust suction plate; 17. Dust suction box; 18. Dust suction pipe; 19. Discharge pipe; 20. Collection box. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-4 The utility model is described in further detail.

[0023] Embodiment 1, refer to Figure 1-4 In this embodiment, in order to solve the problem that the existing marine diesel engine crankshaft usually needs a grinding tool to grind its surface, but since the crankshaft has a certain length, it is necessary to move the crankshaft or the grinding device when wrapping it, so as to fully grind the crankshaft surface, but the existing device requires manual movement of the grinding device, which is time-consuming and labor-intensive, and reduces the grinding and repair efficiency. The utility model discloses a marine diesel engine crankshaft on-site repair tool,

[0024] It includes a base 1, a screw rod 2 is rotatably connected between the inner walls on the front and rear sides of the inner cavity of the base 1, and a first slider 3 is movably connected to the surface of the screw rod 2 by a thread, two slide bars 4 are fixedly installed between the inner walls on the front and rear sides of the inner cavity of the base 1, the two slide bars 4 are respectively located on both sides of the screw rod 2, and second sliders 5 are slidably arranged on the surfaces of the two slide bars 4, a moving seat 6 is fixedly installed on the top of the first slider 3 and the two second sliders 5, and two positioning shells 7 are arranged above the moving seat 6, specifically: by controlling the first motor 11, the first motor 11 is started to drive the screw rod 2 to rotate, the rotation of the screw 2 drives the surface first slider 3 to move, the movement of the first slider 3 drives the top moving seat 6 to move forward and backward, and by setting the slide bar 4 and the second slider 5, the moving seat 6 can rely on the second slider 5 below to move stably when moving.

[0025] A bidirectional lead screw 8 is rotatably connected between the inner walls on both sides of the inner cavity of the moving seat 6, and a limit plate 9 is fixedly installed in the inner cavity of the moving seat 6. The limit plate 9 is located in the middle of the bidirectional lead screw 8, and the bidirectional lead screw 8 is rotatably connected to the inside of the limit plate 9.

[0026] The left and right sections of the bidirectional lead screw 8 are both threadedly connected with moving blocks 10, and the two positioning shells 7 are fixedly installed on the top of the corresponding moving blocks 10. Specifically, the rotation of the bidirectional lead screw 8 drives the two moving blocks 10 on the surface to approach each other, so as to grind crankshafts of different sizes.

[0027] A first motor 11 is fixedly installed on the rear side of the base 1, and the output end of the first motor 11 is fixedly connected to the rear end of the screw 2. A second motor 12 is fixedly installed on the left side of the movable base 6, and the output end of the second motor 12 is fixedly connected to the left end of the bidirectional screw 8.

[0028] A plurality of drive motors 13 are fixedly installed in the inner cavity of the two positioning shells 7, and a grinding disc 14 is fixedly connected to the output end of each drive motor 13. A plurality of heat dissipation holes 15 are opened on the surface of the two positioning shells 7. Specifically, the drive motor 13 is started to drive the grinding disc 14 to grind the crankshaft surface.

[0029] The specific working principle is: by setting the first motor 11, when the staff is grinding the crankshaft, by controlling the first motor 11, the first motor 11 starts to drive the screw 2 to rotate, the rotation of the screw 2 drives the surface first slider 3 to move, the movement of the first slider 3 drives the top movable seat 6 to move back and forth, that is, the two positioning shells 7 move, and by arranging a plurality of driving motors 13 inside the positioning shell 7, the driving motor 13 starts to drive the grinding plate 14 to comprehensively grind the crankshaft surface, and by moving the movable seat 6 back and forth, it is convenient to fully grind the surface of the crankshaft.

[0030] Example 2, refer to Figure 1-4 In this embodiment, in order to solve the problem that the waste generated during the existing crankshaft grinding is difficult to clean and the space pollution is large, based on the same concept as the above-mentioned embodiment 1, the ship diesel engine crankshaft on-site repair tool also includes:

[0031] Two dust collecting plates 16 are fixedly mounted on the top of the movable seat 6 , and the two dust collecting plates 16 are respectively located at the front and rear sides of the two positioning shells 7 .

[0032] A dust box 17 is fixedly installed on the right side of the movable seat 6, and two dust pipes 18 are fixedly connected to the top of the dust box 17. The ends of the two dust pipes 18 away from the dust box 17 are fixedly installed on the right side of the corresponding dust plate 16. A discharge pipe 19 is fixedly installed in the inner cavity of the dust box 17, and a collecting box 20 is inserted in the inner cavity of the dust box 17. The collecting box 20 is located below the discharge pipe 19. Specifically: by setting the dust box 17, the dust box 17 is started to absorb the waste chips on the dust plate 16 through the two dust pipes 18, and finally discharged into the collection box 20 through the discharge pipe 19 for easy collection.

[0033] The specific working principle is: by setting a dust suction plate 16, the two dust suction plates 16 are respectively located on the front and rear sides of the positioning shell 7. When the grinding sheet 14 on the surface of the positioning shell 7 is grinding the surface of the crankshaft, the sputtered waste chips can be collected by the dust suction plate 16. By setting a dust suction box 17, the dust suction box 17 is started to absorb the dust generated by grinding through two dust suction pipes 18 and the dust suction plates 16, and finally discharged into the collection box 20 through the discharge pipe 19 for easy collection, so that the waste chips can be collected when the crankshaft is ground.

[0034] The wiring diagram of the motor in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the motor are not explained in detail.

[0035] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A marine diesel engine crankshaft on-site repair tool, comprising a base (1), characterized in that: A screw rod (2) is rotatably connected between the inner walls on the front and rear sides of the inner cavity of the base (1); a first slider (3) is movably connected to the surface of the screw rod (2) by a thread; two slide rods (4) are fixedly installed between the inner walls on the front and rear sides of the inner cavity of the base (1); the two slide rods (4) are respectively located on both sides of the screw rod (2); and second sliders (5) are slidably arranged on the surfaces of the two slide rods (4); a moving seat (6) is fixedly installed on the top of the first slider (3) and the two second sliders (5); and two positioning shells (7) are arranged above the moving seat (6).

2. A marine diesel engine crankshaft on-site repair tool according to claim 1, characterized in that: A bidirectional lead screw (8) is rotatably connected between the inner walls on both sides of the inner cavity of the movable seat (6), a limit plate (9) is fixedly installed in the inner cavity of the movable seat (6), the limit plate (9) is located in the middle of the bidirectional lead screw (8), and the bidirectional lead screw (8) is rotatably connected to the inside of the limit plate (9).

3. A marine diesel engine crankshaft on-site repair tool according to claim 2, characterized in that: The left and right sections of the bidirectional lead screw (8) are both threadedly movably connected to a moving block (10), and the two positioning shells (7) are fixedly mounted on the top of the corresponding moving block (10).

4. A marine diesel engine crankshaft on-site repair tool according to claim 1, characterized in that: A first motor (11) is fixedly mounted on the rear side of the base (1), and an output end of the first motor (11) is fixedly connected to the rear end of the screw rod (2). A second motor (12) is fixedly mounted on the left side of the movable base (6), and an output end of the second motor (12) is fixedly connected to the left end of the bidirectional screw rod (8).

5. A marine diesel engine crankshaft on-site repair tool according to claim 1, characterized in that: A plurality of drive motors (13) are fixedly installed in the inner cavities of the two positioning shells (7), a grinding sheet (14) is fixedly connected to the output end of each drive motor (13), and a plurality of heat dissipation holes (15) are provided on the surfaces of the two positioning shells (7).

6. A marine diesel engine crankshaft on-site repair tool according to claim 1, characterized in that: Two dust collecting plates (16) are fixedly mounted on the top of the movable seat (6), and the two dust collecting plates (16) are respectively located on the front and rear sides of the two positioning shells (7).

7. A marine diesel engine crankshaft on-site repair tool according to claim 1, characterized in that: A dust box (17) is fixedly installed on the right side of the movable seat (6); two dust pipes (18) are fixedly connected to the top of the dust box (17); one end of the two dust pipes (18) away from the dust box (17) is fixedly installed on the right side of the corresponding dust plate (16); a discharge pipe (19) is fixedly installed in the inner cavity of the dust box (17); a collection box (20) is inserted in the inner cavity of the dust box (17); and the collection box (20) is located below the discharge pipe (19).

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