Modularized prefabricating and assembling device for cylinder lubricating oil pipe system of large marine diesel engine

Abstract

The utility model belongs to the field of marine diesel engine cylinder lubricating oil pipe assembly, and relates to a large marine diesel engine cylinder lubricating oil pipe system modular prefabrication assembly device which is characterized by comprising a prefabrication platform device (6), a first template (8), a second template (7), a fixing support (11), a first pipe clamp (9) and a second pipe clamp (10), and the first template (8) is provided with six oil injection ports; six oil outlets are formed in the template II (7); and the cylinder lubricating oil pipe system prefabricated module (3) is arranged between the template I (8) and the template II (7). The method has the beneficial effects that the number of times of prefabricating and grinding the cylinder lubricating oil pipe is reduced, the grinding time is shortened, and the assembling efficiency and the assembling quality of the cylinder lubricating oil pipe are improved.

Description

Technical Field

[0001] The invention belongs to the field of cylinder lubricating oil pipe assembly for marine diesel engines, and relates to a modular prefabricated assembly device for cylinder lubricating oil pipe systems for large marine diesel engines. Background Art

[0002] As one of the main systems in the operation of the main engine, the cylinder lubricating oil pipe system of large marine diesel engines mainly functions to pump oil through the cylinder lubricating oil pump and transport it to the cylinder liner wall for lubrication through the cylinder lubricating oil pipe system to reduce mechanical damage to the components. At the same time, it can clean the impurities in the piston ring and piston ring groove, neutralize the sulfate produced by fuel combustion, and reduce corrosion of components. Therefore, how to ensure the accuracy of cylinder lubricating oil pipe installation and the smoothness of cylinder lubricating oil injection plays a vital role in the safe operation of the main engine.

[0003] The modular prefabricated assembly device and assembly method of the cylinder oil pipe of a large marine diesel engine in the prior art have the following problems: when stainless steel pipes are used to grind and manufacture the cylinder oil pipe system of a large marine diesel engine, each pipe needs to be repeatedly grinded and manufactured on site for many times before completion; the on-site cylinder oil pipe grinding and fitting operation can only be carried out after the cylinder body, HCU unit, cylinder cooling water jacket and other components are installed; the manufacturing space for grinding and fitting the cylinder oil pipe is small, and the operation is very difficult; the grinding and fitting of the cylinder oil pipe takes a long time, which delays the normal progress of the next process of the main engine; the cooperation of multiple people is required to complete this work, and there are problems such as inadequate connection, large grinding and fitting size errors, and reduced assembly quality during the process, which leads to oil leakage from the cylinder oil pipe joints during the operation of the main engine. Summary of the invention

[0004] The present invention aims to solve the problems of too many prefabrication and preparation times of cylinder lubricating oil pipes in the prior art, too long prefabrication and preparation time, on-site preparation after the cylinder body, cylinder cooling water jacket and other components are installed, waste of resources caused by multiple preparations of cylinder lubricating oil pipes due to narrow space of the engine model, low assembly efficiency and poor assembly quality of cylinder lubricating oil pipes, inadequate assembly connection, large assembly size error, etc. The present invention provides a modular prefabrication and assembly device for cylinder lubricating oil pipes of large marine diesel engines, which is characterized by comprising a prefabricated platform device, a template one, a template two, a fixed bracket, a pipe clamp one and a pipe clamp two, the template one is arranged at one end of the prefabricated platform device, and six oil filling ports are arranged on the template one; the template two is arranged at the other end of the prefabricated platform device, an adjustable fixed support is arranged below the template two, and six oil outlets are arranged on the template two; two threaded holes are arranged on the side of the prefabricated platform device close to the template one, and a fixed bracket is arranged on the side of the prefabricated platform device close to the template two; the pipe clamp one is fixedly connected to the two threaded holes, and the pipe clamp two is fixedly connected to the fixed bracket.

[0005] According to the modular prefabricated assembly device for the cylinder oil pipe system of a large marine diesel engine described above, it is characterized in that: the first pipe clamp is connected to the two threaded holes with bolts, and the second pipe clamp is connected to the fixing bracket with bolts.

[0006] According to the modular prefabricated assembly device for the cylinder oil pipe system of a large marine diesel engine described above, it is characterized in that: the first template is square, its length and width are both: 100mm-200mm, and its thickness is: 10mm-30mm; the second template is rectangular, its length is: 100mm-200mm, width is: 50mm-100mm, and thickness is: 5mm-20mm; the fixing bracket is L-shaped, and the threaded hole is an M12 threaded hole.

[0007] According to the modular prefabricated assembly device for the cylinder oil pipe system of a large marine diesel engine described above, it is characterized in that the interface sizes and specifications of the six oil filling ports on the template one: oil filling port one, oil filling port two, oil filling port three, oil filling port four, oil filling port five, and oil filling port six are the same, all of which are M12×1.5.

[0008] According to the modular prefabricated assembly device for the cylinder oil pipe system of a large marine diesel engine described above, it is characterized in that the interface sizes and specifications of the six oil outlets on the template two: oil outlet one, oil outlet two, oil outlet three, oil outlet four, oil outlet five, and oil outlet six are the same, all of which are M14×1.5.

[0009] The advantages of the present invention compared with the prior art are:

[0010] 1. The present invention solves the problems of too many prefabrication and assembly times of cylinder lubricating oil pipes for large marine diesel engines and too long a time, and on-site assembly after the cylinder body, cylinder cooling water jacket and other components are installed, through a modular prefabrication and assembly device and an assembly method thereof.

[0011] 2. The present invention prefabricates the cylinder lubricating oil pipe system in advance through a modular prefabrication assembly device and an assembly method of the cylinder lubricating oil pipe of a large marine diesel engine, thereby overcoming the difficulty of prefabrication of the cylinder lubricating oil pipe due to the small space of the engine model, effectively avoiding the waste of resources, and improving the assembly efficiency and assembly quality of the cylinder lubricating oil pipe.

[0012] 3. The present invention adopts a modular prefabricated assembly device for a large marine diesel engine cylinder oil pipe, in which a template 1 is arranged at one end of a prefabricated platform device, and six oil filling ports are arranged on the template 1; a template 2 is arranged at the other end of the prefabricated platform device, an adjustable fixed support is arranged below the template 2, and six oil outlets are arranged on the template 2; two threaded holes are arranged on one side of the prefabricated platform device close to the template 1, and a fixed bracket is arranged on the side of the prefabricated platform device close to the template 2; a pipe clamp 1 is fixedly connected to the two threaded holes, and a pipe clamp 2 is fixedly connected to the fixed bracket, thereby solving the problems of the original assembly method, such as the inadequate connection and the large assembly size error leading to the decline of assembly quality.

[0013] 4. The assembly device of the present invention has a simple structural design, a reasonable process flow, and high operability in assembly process verification. Only one person needs two hours to complete the cylinder oil pipe assembly work, and has a wide range of application fields and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Front view of the schematic diagram of the modular prefabricated assembly device for the cylinder oil pipe system of a large marine diesel engine.

[0015] Figure 2 A top view of the structural schematic diagram of a modular prefabricated assembly device for a cylinder lubricating oil pipe system of a large marine diesel engine.

[0016] Figure 3 Front view of the schematic diagram of the prefabricated cylinder oil pipe of the modular prefabricated assembly device for the cylinder oil pipe of a marine diesel engine.

[0017] Figure 4 A top view of the schematic diagram of the prefabricated cylinder oil pipe system of a marine diesel engine using a modular prefabricated assembly device.

[0018] Figure 5 Front view of the schematic diagram of the prefabricated marine diesel engine cylinder oil piping system module.

[0019] Figure 6 Top view of the schematic diagram of the prefabricated marine diesel engine cylinder oil piping system module.

[0020] Figure 7 Schematic diagram of installation of cylinder oil piping module for marine diesel engine.

[0021] In the figure: 1: machine body one; 2: machine body two; 3: cylinder lubricating oil pipe system prefabricated module; 6: platform device; 7: template two; 8: template one; 11: fixed bracket; 9: pipe clamp one; 10: pipe clamp two; 3-1: cylinder lubricating oil pipe one; 3-2: cylinder lubricating oil pipe two; 3-3: cylinder lubricating oil pipe three; 3-4: cylinder lubricating oil pipe four; 3-5: cylinder lubricating oil pipe five; 3-6: cylinder lubricating oil pipe six; 7-1: oil outlet one; 7-2: oil outlet two; 7-3: oil outlet three; 7-4: oil outlet four; 7-5: oil outlet five; 7-6: oil outlet six; 8-1: oil filling port one; 8-2: oil filling port two; 8-3: oil filling port three; 8-4: oil filling port four; 8-5: oil filling port five; 8-6: oil filling port six. DETAILED DESCRIPTION

[0022] Preferred Embodiments

[0023] A modular prefabricated assembly device for a cylinder lubricating oil pipe system of a large marine diesel engine includes a prefabricated platform device 6, a template 1 8, a template 2 7, a fixed bracket 11, a pipe clamp 1 9 and a pipe clamp 2 10. The template 1 8 is arranged at one end of the prefabricated platform device 6, and six oil filling ports are arranged on the template 1 8; the template 2 7 is arranged at the other end of the prefabricated platform device 6, an adjustable fixed support 7-7 is arranged below the template 2 7, and six oil outlets are arranged on the template 2 7; two threaded holes 12 are arranged on the side of the prefabricated platform device 6 close to the template 1 8, and a fixed bracket 11 is arranged on the side of the prefabricated platform device 6 close to the template 2 7; the pipe clamp 1 9 is fixedly connected to the two threaded holes 12, and the pipe clamp 2 10 is fixedly connected to the fixed bracket 11.

[0024] The pipe clamp 1 9 is connected with two threaded holes 12 by bolts, and the pipe clamp 2 10 is connected with the fixing bracket 11 by bolts.

[0025] The template 1 8 is a square with a length and width of 100mm-200mm and a thickness of 10mm-30mm; the template 2 7 is a rectangle with a length of 100mm-200mm, a width of 50mm-100mm and a thickness of 5mm-20mm; the fixing bracket 11 is L-shaped, and the threaded hole 12 is an M12 threaded hole.

[0026] The interface sizes and specifications of the six oil filling ports on the mold plate 8: oil filling port 1 8-1, oil filling port 2 8-2, oil filling port 3 8-3, oil filling port 4 8-4, oil filling port 5 8-5, and oil filling port 6 8-6 are the same, all of which are M12×1.5.

[0027] The interface sizes and specifications of the six oil outlets on the mold plate 2: oil outlet 1 7-1, oil outlet 2 7-2, oil outlet 3 7-3, oil outlet 4 7-4, oil outlet 5 7-5, and oil outlet 6 7-6 are the same, all of which are M14×1.5.

[0028] The method for assembling a large marine diesel engine cylinder lubricating oil pipe system using the large marine diesel engine cylinder lubricating oil pipe modular prefabrication assembly device described above comprises the following steps:

[0029] Step 1: Prepare six prefabricated pipes of the cylinder lubricating oil pipe prefabrication module 3 according to the length given in the drawing, and mark the six prefabricated pipes as: cylinder lubricating oil pipe 1 3-1, cylinder lubricating oil pipe 2 3-2, cylinder lubricating oil pipe 3 3-3, cylinder lubricating oil pipe 4 3-4, cylinder lubricating oil pipe 5 3-5, cylinder lubricating oil pipe 6 3-6;

[0030] Step 2: Prefabricate the interfaces at both ends of the cylinder lubricating oil pipe 1 3-1, cylinder lubricating oil pipe 2 3-2, cylinder lubricating oil pipe 3 3-3, cylinder lubricating oil pipe 4 3-4, cylinder lubricating oil pipe 5 3-5, and cylinder lubricating oil pipe 6 3-6 according to the size requirements of the drawing, and connect one end of the interfaces with the six oil filling ports on the template 1 8: oil filling port 1 8-1, oil filling port 2 8-2, oil filling port 3 8-3, oil filling port 4 8-4, oil filling port 5 8-5, and oil filling port 6 8-6; and connect the other end of the interfaces with the oil outlet 1 7-1, oil outlet 2 7-2, oil outlet 3 7-3, oil outlet 4 7-4, oil outlet 5 7-5, and oil outlet 6 7-6 on the template 2 7; the lengths of the six prefabricated pipes of the cylinder lubricating oil pipe system prefabricated module 3 are equal, and are all: 1000mm-1800mm.

[0031] The six prefabricated pipes of the cylinder lubricating oil pipe system prefabricated module 3 have the same diameter, which is 8 mm.

[0032] Step 3: Connect the cylinder lubricating oil pipe 1 3-1, cylinder lubricating oil pipe 2 3-2, cylinder lubricating oil pipe 3 3-3, cylinder lubricating oil pipe 4 3-4, cylinder lubricating oil pipe 5 3-5, and cylinder lubricating oil pipe 6 3-6 together with the pipe clamp 1 9 bolts through the two threaded holes 12 near one side of the template 1 8;

[0033] Step 4: Fix the cylinder lubricating oil pipe 1 3-1, the cylinder lubricating oil pipe 2 3-2, and the cylinder lubricating oil pipe 3 3-3 together; fix the cylinder lubricating oil pipe 4 3-4, the cylinder lubricating oil pipe 5 3-5, and the cylinder lubricating oil pipe 6 3-6 together through the fixing bracket 11 close to the side of the template 2 7 and the pipe clamp 2 10 bolts;

[0034] Step 5: Disconnect the oil inlet ends of the six prefabricated pipe fittings of the cylinder lubricating oil pipe system prefabricated module 3 from the oil filling port 1 8-1, oil filling port 2 8-2, oil filling port 3 8-3, oil filling port 4 8-4, oil filling port 5 8-5, and oil filling port 6 8-6 on the template 1 8, and disconnect the oil return ends of the six prefabricated pipe fittings of the cylinder lubricating oil pipe system prefabricated module 3 from the oil outlet 1 7-1, oil outlet 2 7-2, oil outlet 3 7-3, oil outlet 4 7-4, oil outlet 5 7-5, and oil outlet 6 7-6 on the template 2 7, remove the connecting bolts on the pipe clamp 1 9 and the pipe clamp 2 10, and complete the prefabrication of the cylinder lubricating oil pipe system module 3;

[0035] Step 6: Install the cylinder lubricating oil pipe system prefabricated module 3 between the oil filling port 4 on the machine body 1 and the oil outlet 5 on the machine body 2. The 6 oil filling ports on the template 1 8 correspond to the positions of the 6 oil filling ports of the oil filling port 4 on the machine body 1; the 6 oil outlets on the template 2 7: oil outlet 1 7-1, oil outlet 2 7-2, oil outlet 3 7-3, oil outlet 4 7-4, oil outlet 5 7-5, oil outlet 6 7-6 correspond to the positions of the 6 oil outlets of the oil outlet 5 on the machine body 2;

[0036] Connect the positions of oil filling port 1 8-1, oil filling port 2 8-2, oil filling port 3 8-3, oil filling port 4 8-4, oil filling port 5 8-5, and oil filling port 6 8-6 to the positions of cylinder lubricating oil pipe 1 3-1, cylinder lubricating oil pipe 2 3-2, cylinder lubricating oil pipe 3 3-3, cylinder lubricating oil pipe 4 3-4, cylinder lubricating oil pipe 5 3-5, and cylinder lubricating oil pipe 6 3-6, and one end thereof to the six oil filling ports on the oil filling port 4 in a one-to-one correspondence;

[0037] Connect one end of cylinder lubricating oil pipe 1 3-1, cylinder lubricating oil pipe 2 3-2, cylinder lubricating oil pipe 3 3-3, cylinder lubricating oil pipe 4 3-4, cylinder lubricating oil pipe 5 3-5 and cylinder lubricating oil pipe 6 3-6 to the 6 oil outlets on the oil filling port 4 and the oil outlet 5 on the engine body 2 in a one-to-one correspondence to complete the assembly of the modular prefabricated device of the cylinder lubricating oil pipe system of the large marine diesel engine.

Claims

1. A modular prefabricated assembly device for cylinder oil pipes of large marine diesel engines, characterized by: The prefabricated platform device comprises a prefabricated platform device (6), a template one (8), a template two (7), a fixed bracket (11), a pipe clamp one (9) and a pipe clamp two (10); the template one (8) is arranged at one end of the prefabricated platform device (6), and the template one (8) is provided with six oil filling ports; the template two (7) is arranged at the other end of the prefabricated platform device (6), an adjustable fixed support (7-7) is arranged below the template two (7), and the template two (7) is provided with six oil outlets; the prefabricated platform device (6) is provided with two threaded holes (12) on one side close to the template one (8), and the prefabricated platform device (6) is provided with a fixed bracket (11) on one side close to the template two (7); the pipe clamp one (9) is fixedly connected to the two threaded holes (12), and the pipe clamp two (10) is fixedly connected to the fixed bracket (11); The pipe clamp 1 (9) is connected to the two threaded holes (12) by bolts, and the pipe clamp 2 (10) is connected to the fixing bracket (11) by bolts.

2. The modular prefabrication assembly device for cylinder oil pipes of large marine diesel engines according to claim 1 is characterized in that: The first template (8) is a square, with a length and width of 100mm-200mm and a thickness of 10mm-30mm; the second template (7) is a rectangle, with a length of 100mm-200mm, a width of 50mm-100mm and a thickness of 5mm-20mm; the fixing bracket (11) is L-shaped, and the threaded hole (12) is an M12 threaded hole.

3. The modular prefabrication assembly device for cylinder oil pipes of large marine diesel engines according to claim 2 is characterized in that: The six oil filling ports on the mold plate 1 (8): oil filling port 1 (8-1), oil filling port 2 (8-2), oil filling port 3 (8-3), oil filling port 4 (8-4), oil filling port 5 (8-5), and oil filling port 6 (8-6) have the same interface size and specification, all of which are M12×1.

5.

4. The modular prefabrication assembly device for cylinder oil pipes of large marine diesel engines according to claim 3 is characterized in that: The interface sizes and specifications of the six oil outlets on the second mold plate (7): oil outlet one (7-1), oil outlet two (7-2), oil outlet three (7-3), oil outlet four (7-4), oil outlet five (7-5), and oil outlet six (7-6) are the same, all of which are M14×1.5.

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