Marine main engine lubricating oil pump

Abstract

The utility model relates to the technical field of oil pumps, in particular to a marine main engine lubricating oil pump which comprises a motor, a connecting frame, a coupler, a hydraulic pump, a lubricating oil supply pipe, an oil suction filter and a connecting assembly, and the connecting assembly comprises a connecting pipe, a baffle ring, a first sealing gasket, a second sealing gasket, a fixed ring, a movable ring, a first flange plate, a second flange plate and a locking bolt. The connecting pipe is inserted into the lubricating oil supply pipe, the connecting pipe makes contact with the first sealing gasket, at the moment, the movable ring slides on the outer side wall of the lubricating oil supply pipe, after the second sealing gasket abuts against the lubricating oil supply pipe, the first flange plate and the second flange plate are fixed through the locking bolt, in this way, gaps are prevented from occurring in the connecting position of the lubricating oil supply pipe, and the service life of the lubricating oil supply pipe is prolonged. The sealing performance of the lubricating oil supply pipe can be effectively improved, and normal supply of lubricating oil is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pumps, in particular to a lubricating oil pump for a main engine of a ship. Background Art

[0002] The main engine of a ship refers to the main mechanical device that provides propulsion power for the ship. The main engine of a ship usually includes a diesel engine, a steam turbine, a gas turbine or a nuclear power unit. These main engines generate power by burning fuel, and then transmit the power to the ship through the transmission device, the shaft system and the propeller (such as a propeller), so that the ship moves forward or backward. The main engine of a ship is usually installed in the engine room, and the engine department is responsible for its operation, maintenance and repair. The lubricating oil pump is an important component of the lubricating oil system. It is mainly used for the transportation and recovery of lubricating oil in the engine bearings and transmission gear parts. The engine lubricating oil system is an indispensable part of the engine. The quality and performance of the lubricating oil pump directly affect the performance of the engine lubricating oil system.

[0003] A patent application with publication number CN217926088U in the prior art discloses a lubricating oil pump, comprising a motor, a connecting frame, a coupling, a hydraulic pump, a lubricating oil supply pipe and an oil suction filter. The connecting frame is disassembled and arranged below the motor, the hydraulic pump is fixedly arranged below the connecting frame, the coupling is respectively connected to the motor and the hydraulic pump, the lubricating oil supply pipe is disassembled and arranged at the output end of the hydraulic pump, and the oil suction filter is arranged at the input end of the hydraulic pump. When in use, the motor is started to make the coupling drive the hydraulic pump to absorb the lubricating oil in the oil tank. After being filtered by the oil suction filter, the lubricating oil is injected into the main engine of the ship from the lubricating oil supply pipe. The installation is simple, the use is convenient and efficient.

[0004] However, in the above-mentioned prior art, the mechanical vibration of the ship's main engine itself will affect the connection of the lubricating oil supply pipe, which is easy to reduce the sealing of the connection, thereby affecting the normal supply of lubricating oil. Utility Model Content

[0005] The utility model aims to provide a ship main engine lubricating oil pump, aiming to solve the problem in the prior art that the mechanical vibration of the ship main engine itself will affect the connection of the lubricating oil supply pipe, easily reduce the sealing of the connection, and thus affect the normal supply of lubricating oil.

[0006] To achieve the above-mentioned purpose, the utility model provides a ship main engine lubricating oil pump, the connecting assembly includes a connecting pipe, a retaining ring, a first sealing gasket, a second sealing gasket, a fixed ring, a movable ring, a first flange, a second flange and a locking bolt, the connecting frame is detachably connected to the motor and is located below the motor, the hydraulic pump is detachably connected to the connecting frame and is located below the connecting frame, one end of the coupling is fixedly connected to the motor and is located at the output end of the motor, the other end of the coupling is fixedly connected to the hydraulic pump and is located above the hydraulic pump, the lubricating oil supply pipe is communicated with the hydraulic pump and is located at the output end of the hydraulic pump, the oil suction filter is communicated with the hydraulic pump and is located at the input end of the hydraulic pump, the retaining ring is fixedly connected to the lubricating oil supply pipe and is located on the inner side wall of the retaining ring, the first sealing gasket and The retaining ring is detachably connected and is located above the retaining ring, the connecting pipe is slidably connected to the lubricating oil supply pipe and is located on the inner wall of the lubricating oil supply pipe, and the connecting pipe is in contact with the first sealing gasket, the fixing ring is fixedly connected to the connecting pipe and is located on the outer wall of the connecting pipe, the movable ring is fixedly connected to the fixing ring and is located on the outer wall of the fixing ring, and the movable ring is slidably matched with the lubricating oil supply pipe, the second sealing gasket is detachably connected to the fixing ring and is located on one side of the fixing ring, and the second sealing gasket is in contact with the lubricating oil supply pipe, the first flange is fixedly connected to the lubricating oil supply pipe and is located on the outer wall of the lubricating oil supply pipe, the second flange is fixedly connected to the connecting pipe and is located on the outer wall of the connecting pipe, and the locking bolt passes through the first flange and the second flange in sequence.

[0007] Wherein, the connecting assembly also includes an oblique ring and a gasket, the oblique ring is fixedly connected to the retaining ring and is located on one side of the retaining ring, the gasket is detachably connected to the locking bolt and is located on the outer side wall of the locking bolt, and the gasket is in contact with the first flange.

[0008] Wherein, the ship main engine lubricating oil pump also includes a protection component, and the protection component is arranged on the outer side wall of the connecting pipe.

[0009] Wherein, the protection assembly includes a left cover body, a right cover body and fixing screws, the left cover body is detachably connected to the connecting pipe and the lubricating oil supply pipe, and is located on the outer side walls of the connecting pipe and the lubricating oil supply pipe, the right cover body is detachably connected to the connecting pipe and the lubricating oil supply pipe, and is located on the outer side walls of the connecting pipe and the lubricating oil supply pipe, the left cover body is hinged to the right cover body, and is located on one side of the right cover body, and the fixing screws pass through the left cover body and the right cover body in sequence.

[0010] Wherein, the ship main engine lubricating oil pump also includes an auxiliary component, and the auxiliary component is arranged on one side of the left cover.

[0011] Wherein, the auxiliary component includes a base and a frosting rod, the base is fixedly connected to the left cover body and is located on the outer side wall of the left cover body, and the frosting rod is fixedly connected to the base and is located on the inner side wall of the base.

[0012] The utility model provides a ship main engine lubricating oil pump, the connecting pipe is inserted into the lubricating oil supply pipe, the connecting pipe is made to contact with the first sealing gasket, at this time the movable ring slides on the outer side wall of the lubricating oil supply pipe, when the second sealing gasket is abutted against the lubricating oil supply pipe, the first flange and the second flange are fixed with the locking bolts, in this way, the gap at the connection of the lubricating oil supply pipe is avoided, the sealing performance of the lubricating oil supply pipe can be effectively improved, and the normal supply of lubricating oil is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line section view.

[0017] Figure 4 The utility model Figure 3 Enlarged view of the local structure at point B.

[0018] Figure 5 It is an overall structural diagram of the second embodiment of the utility model.

[0019] Figure 6 It is an overall front view of the second embodiment of the utility model.

[0020] 101-motor, 102-connecting frame, 103-coupling, 104-hydraulic pump, 105-lubricating oil supply pipe, 106-oil suction filter, 107-connecting assembly, 108-protection assembly, 109-connecting pipe, 110-retaining ring, 111-first sealing gasket, 112-second sealing gasket, 113-fixing ring, 114-moving ring, 115-first flange, 116-second flange, 117-locking bolt, 118-oblique ring, 119-gasket, 120-left cover, 121-right cover, 122-fixing screw, 201-auxiliary assembly, 202-base, 203-frosted rod. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] First embodiment:

[0023] See also Figures 1 to 4 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view, Figure 4 The utility model Figure 3 Enlarged view of the local structure at point B.

[0024] The utility model provides a ship main engine lubricating oil pump, including a motor 101, a connecting frame 102, a coupling 103, a hydraulic pump 104, a lubricating oil supply pipe 105, an oil suction filter 106, a connecting assembly 107 and a protective assembly 108, wherein the connecting assembly 107 includes a connecting pipe 109, a retaining ring 110, a first sealing gasket 111, a second sealing gasket 112, a fixing ring 113, a moving ring 114, a first flange 115, a second flange 116, a locking bolt 117, an oblique ring 118 and a gasket 119, and the protective assembly 108 includes a left cover 120, a right cover 121 and a fixing screw 122.

[0025] According to the present specific embodiment, the coupling frame 102 is detachably connected to the motor 101 and is located below the motor 101. The hydraulic pump 104 is detachably connected to the coupling frame 102 and is located below the coupling frame 102. One end of the coupling 103 is fixedly connected to the motor 101 and is located at the output end of the motor 101. The other end of the coupling 103 is fixedly connected to the hydraulic pump 104 and is located above the hydraulic pump 104. The lubricating oil supply pipe 105 is communicated with the hydraulic pump 104 and is located at the output end of the hydraulic pump 104. The oil suction filter 106 is communicated with the hydraulic pump 104 and is located at the input end of the hydraulic pump 104. When in use, the motor 101 is started so that the coupling 103 drives the hydraulic pump 104 to absorb the lubricating oil in the oil tank. After being filtered by the oil suction filter 106, the lubricating oil is injected into the ship's main engine from the lubricating oil supply pipe 105. The installation is not only simple but also efficient.

[0026] Among them, the retaining ring 110 is fixedly connected to the lubricating oil supply pipe 105 and is located on the inner wall of the retaining ring 110, the first sealing gasket 111 is detachably connected to the retaining ring 110 and is located above the retaining ring 110, the connecting pipe 109 is slidably connected to the lubricating oil supply pipe 105 and is located on the inner wall of the lubricating oil supply pipe 105, and the connecting pipe 109 contacts the first sealing gasket 111, the fixed ring 113 is fixedly connected to the connecting pipe 109 and is located on the outer wall of the connecting pipe 109, the movable ring 114 is fixedly connected to the fixed ring 113 and is located on the outer wall of the fixed ring 113, and the movable ring 114 is slidably matched with the lubricating oil supply pipe 105, the second sealing gasket 112 is detachably connected to the fixed ring 113 and is located on one side of the fixed ring 113, and the second sealing gasket 112 contacts the lubricating oil supply pipe 105, A flange 115 is fixedly connected to the lubricating oil supply pipe 105 and is located on the outer side wall of the lubricating oil supply pipe 105. The second flange 116 is fixedly connected to the connecting pipe 109 and is located on the outer side wall of the connecting pipe 109. The locking bolt 117 passes through the first flange 115 and the second flange 116 in sequence, and the connecting pipe 109 is inserted into the lubricating oil supply pipe 105 so that the connecting pipe 109 contacts the first sealing gasket 111. At this time, the movable ring 114 slides on the outer side wall of the lubricating oil supply pipe 105. When the second sealing gasket 112 abuts against the lubricating oil supply pipe 105, the locking bolt 117 is used to fix the first flange 115 and the second flange 116. In this way, gaps are avoided at the connection of the lubricating oil supply pipe 105, which can effectively improve the sealing of the lubricating oil supply pipe 105 and ensure the normal supply of lubricating oil.

[0027] Secondly, the oblique ring 118 is fixedly connected to the retaining ring 110 and is located on one side of the retaining ring 110. The gasket 119 is detachably connected to the locking bolt 117 and is located on the outer side wall of the locking bolt 117. The gasket 119 is in contact with the first flange 115. The oblique ring 118 can reduce the resistance of the retaining ring 110 to avoid the delivery of lubricating oil, and the gasket 119 can increase the contact area between the locking bolt 117 and the first flange 115 to further fix the first flange 115 and the second flange 116.

[0028] At the same time, the protection component 108 is arranged on the outer wall of the connecting pipe 109 . The protection component 108 is added to prevent the locking bolt 117 from being corroded by moisture and to extend the service life of the locking bolt 117 .

[0029] In addition, the left cover body 120 is detachably connected to the connecting pipe 109 and the lubricating oil supply pipe 105, and is located on the outer side walls of the connecting pipe 109 and the lubricating oil supply pipe 105; the right cover body 121 is detachably connected to the connecting pipe 109 and the lubricating oil supply pipe 105, and is located on the outer side walls of the connecting pipe 109 and the lubricating oil supply pipe 105; the left cover body 120 is hingedly connected to the right cover body 121, and is located on one side of the right cover body 121; the fixing screw 122 passes through the left cover body 120 and the right cover body 121 in sequence; the frame formed by the left cover body 120 and the right cover body 121 surrounds the locking bolt 117, which can effectively avoid corrosion by moisture and extend the service life of the locking bolt 117.

[0030] When using the lubricating oil pump for the main engine of the ship of the utility model, the connecting pipe 109 is inserted into the lubricating oil supply pipe 105, so that the connecting pipe 109 contacts the first sealing gasket 111, and the movable ring 114 slides on the outer wall of the lubricating oil supply pipe 105. When the second sealing gasket 112 abuts against the lubricating oil supply pipe 105, the first flange 115 and the second flange 116 are fixed by the locking bolt 117. The oblique ring 118 can reduce the resistance of the retaining ring 110 to avoid the transportation of lubricating oil, and the The gasket 119 can increase the contact area between the locking bolt 117 and the first flange 115, and further fix the first flange 115 and the second flange 116. The frame formed by the left cover 120 and the right cover 121 surrounds the locking bolt 117, which can effectively avoid corrosion by moisture and extend the service life of the locking bolt 117. In this way, gaps can be avoided at the connection of the lubricating oil supply pipe 105, which can effectively improve the sealing of the lubricating oil supply pipe 105 and ensure the normal supply of lubricating oil.

[0031] Second embodiment:

[0032] Based on the first embodiment, please refer to Figure 5 and Figure 6 ,in, Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 6 It is an overall front view of the second embodiment of the utility model.

[0033] The utility model provides a ship main engine lubricating oil pump, which also includes an auxiliary component 201. The auxiliary component 201 includes a base 202 and a grinding rod 203.

[0034] According to this specific embodiment, the auxiliary component 201 is disposed on one side of the left cover body 120 . The auxiliary component 201 is added to facilitate the staff to open the left cover body 120 , thereby effectively improving the practicality of the left cover body 120 .

[0035] Among them, the base 202 is fixedly connected to the left cover body 120 and is located on the outer wall of the left cover body 120, and the frosting rod 203 is fixedly connected to the base 202 and is located on the inner wall of the base 202. With the cooperation of the base 202 and the frosting rod 203, it is convenient for the staff to open the left cover body 120, which effectively improves the practicability of the left cover body 120.

[0036] When the ship main engine lubricating oil pump of the utility model is used, the cooperation between the base 202 and the grinding rod 203 facilitates the staff to open the left cover 120 , thereby effectively improving the practicality of the left cover 120 .

[0037] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A ship main engine lubricating oil pump, comprising a motor, a coupling frame, a coupling, a hydraulic pump, a lubricating oil supply pipe and an oil suction filter, wherein the coupling frame is detachably connected to the motor and is located below the motor, the hydraulic pump is detachably connected to the coupling frame and is located below the coupling frame, one end of the coupling is fixedly connected to the motor and is located at the output end of the motor, the other end of the coupling is fixedly connected to the hydraulic pump and is located above the hydraulic pump, the lubricating oil supply pipe is communicated with the hydraulic pump and is located at the output end of the hydraulic pump, the oil suction filter is communicated with the hydraulic pump and is located at the input end of the hydraulic pump, and is characterized in that: Also included are connection components; The connecting assembly includes a connecting pipe, a retaining ring, a first sealing gasket, a second sealing gasket, a fixing ring, a moving ring, a first flange, a second flange and a locking bolt. The retaining ring is fixedly connected to the lubricating oil supply pipe and is located on the inner side wall of the retaining ring. The first sealing gasket is detachably connected to the retaining ring and is located above the retaining ring. The connecting pipe is slidably connected to the lubricating oil supply pipe and is located on the inner side wall of the lubricating oil supply pipe. The connecting pipe contacts the first sealing gasket. The fixing ring is fixedly connected to the connecting pipe and is located on the outer side wall of the connecting pipe. The movable ring is fixedly connected to the fixed ring and is located on the outer side wall of the fixed ring, and the movable ring is slidably matched with the lubricating oil supply pipe, the second sealing gasket is detachably connected to the fixed ring and is located on one side of the fixed ring, and the second sealing gasket is in contact with the lubricating oil supply pipe, the first flange is fixedly connected to the lubricating oil supply pipe and is located on the outer side wall of the lubricating oil supply pipe, the second flange is fixedly connected to the connecting pipe and is located on the outer side wall of the connecting pipe, and the locking bolts pass through the first flange and the second flange in sequence.

2. The ship main engine lubricating oil pump according to claim 1, characterized in that: The connecting assembly also includes an oblique ring and a gasket. The oblique ring is fixedly connected to the retaining ring and is located on one side of the retaining ring. The gasket is detachably connected to the locking bolt and is located on the outer side wall of the locking bolt, and the gasket is in contact with the first flange.

3. The ship main engine lubricating oil pump according to claim 2, characterized in that: The ship main engine lubricating oil pump also includes a protection component, and the protection component is arranged on the outer side wall of the connecting pipe.

4. The ship main engine lubricating oil pump according to claim 3, characterized in that: The protection assembly includes a left cover body, a right cover body and fixing screws. The left cover body is detachably connected to the connecting pipe and the lubricating oil supply pipe, and is located on the outer side walls of the connecting pipe and the lubricating oil supply pipe. The right cover body is detachably connected to the connecting pipe and the lubricating oil supply pipe, and is located on the outer side walls of the connecting pipe and the lubricating oil supply pipe. The left cover body is hinged to the right cover body and is located on one side of the right cover body. The fixing screws pass through the left cover body and the right cover body in sequence.

5. The ship main engine lubricating oil pump according to claim 4, characterized in that: The ship main engine lubricating oil pump also includes an auxiliary component, and the auxiliary component is arranged on one side of the left cover.

6. The ship main engine lubricating oil pump according to claim 5, characterized in that: The auxiliary component includes a base and a grinding rod, wherein the base is fixedly connected to the left cover body and is located on the outer side wall of the left cover body, and the grinding rod is fixedly connected to the base and is located on the inner side wall of the base.

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