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CN110450091B - Disassembling tool and disassembling method for power station diesel engine on-board pump gear - Google Patents

Disassembling tool and disassembling method for power station diesel engine on-board pump gear Download PDF

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Publication number
CN110450091B
CN110450091B CN201910778531.6A CN201910778531A CN110450091B CN 110450091 B CN110450091 B CN 110450091B CN 201910778531 A CN201910778531 A CN 201910778531A CN 110450091 B CN110450091 B CN 110450091B
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China
Prior art keywords
joint
gear
hole
rubber
pipe
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Application number
CN201910778531.6A
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Chinese (zh)
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CN110450091A (en
Inventor
余浩
黄积
曹亮亮
陈亮
王仁昌
赵勇
许准
柴广
李秀全
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Jiangsu Nuclear Power Corp
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Jiangsu Nuclear Power Corp
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Publication of CN110450091A publication Critical patent/CN110450091A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/026Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention belongs to the technical field of mechanical equipment overhaul, and particularly relates to a power station diesel engine on-board pump gear disassembling tool and a disassembling method thereof, wherein the disassembling method comprises the following steps: one ends of the axial pressing joint and the radial pressing joint are respectively fixed on the gear through threads, and a through hole B, a threaded through hole and a through hole C are formed in the connecting flange; the jackscrew is screwed into the threaded through hole to be in contact with the right end face of the driving shaft and is fixed on the gear through the connecting flange; the right end face of the gear is also provided with a connecting bolt; the other end of the axial pressing joint is connected with one end of the three-way joint through a rubber pipe assembly branch pipe A; the other end of the radial pressing joint is connected with the other end of the three-way joint through a rubber pipe assembly branch pipe B; one end of a main pipe of the rubber pipe assembly is also connected to the three-way joint; the rubber tube assembly main tube the other end is connected with a manual hydraulic pump.

Description

Disassembling tool and disassembling method for power station diesel engine on-board pump gear
Technical Field
The invention belongs to the technical field of mechanical equipment overhaul, and particularly relates to a power station diesel engine on-board pump gear disassembling tool and a disassembling method thereof.
Background
The diesel power station is a power station formed by a plurality of generators taking diesel engines as power, has the advantages of compact structure, high heat efficiency, capability of quick starting and power supply, and the like, and the single unit capacity of the unit can be from several kilowatts to tens of thousands of kilowatts, and can meet the power supply requirements of various engineering and process flows, so that the diesel power station is widely applied to various departments of national economy.
The machine-mounted lubricating oil pump comprises gears, a driving shaft, a driven shaft, a shaft sleeve, and other parts which are easy to wear, rubber sealing rings and other parts in the service life period. In order to ensure safe, stable and efficient operation of the onboard lubricating oil pump, the onboard lubricating oil pump needs preventive maintenance according to the requirements of equipment operation and maintenance manuals, and the main maintenance projects are as follows: measuring the abrasion loss between the driving shaft and the shaft sleeve, and measuring the abrasion loss between the driven shaft and the shaft sleeve, wherein if the abrasion loss exceeds the limit value, the abrasion loss is required to be replaced; checking whether the abrasion parts such as gears, driving shafts, driven shafts, shaft sleeves and the like have defects such as pitting corrosion and pits or not, and if yes, repairing or replacing the abrasion parts; and replacing the life-span parts such as the rubber sealing ring. The gear is provided with 1 axial and presses screw hole and 1 through-hole A in the axial, and wherein the axial is pressed the screw hole and is linked together with the inside right angle oil duct that sets up, is provided with 2 screw blind holes in the axial, is provided with 1 radial screw hole of pressing in radial, is linked together with the inside vertical oil duct that sets up.
In the maintenance process, the abrasion loss between the driving shaft or the driven shaft and the shaft sleeve is measured, whether the abrasion-prone parts such as the gear, the driving shaft, the driven shaft and the shaft sleeve have defects such as pitting and pits or not is checked, and the abrasion-prone parts such as the gear, the driving shaft, the driven shaft and the shaft sleeve are replaced, so that the gear of the airborne lubricating oil pump is required to be detached.
Therefore, it is necessary to design a disassembly tool and a disassembly method for the on-board pump gear of the diesel engine of the power station to realize the disassembly of the on-board lubricant oil pump gear.
Disclosure of Invention
The invention aims to provide a disassembly tool and a disassembly method for an onboard pump gear of a diesel engine of a power station, aiming at the defects of the prior art, and the disassembly tool and the disassembly method are used for realizing the technical problem of efficiently and quickly disassembling the onboard lubricating oil pump gear.
The technical scheme of the invention is as follows:
A utility diesel engine onboard pump gear removal tool comprising: one ends of the axial pressing joint and the radial pressing joint are respectively fixed on the gear through threads, and a through hole B, a threaded through hole and a through hole C are formed in the connecting flange; the jackscrew is screwed into the threaded through hole to be in contact with the right end face of the driving shaft and is fixed on the gear through the connecting flange; the right end face of the gear is also provided with a connecting bolt; the other end of the axial pressing joint is connected with one end of the three-way joint through a rubber pipe assembly branch pipe A; the other end of the radial pressing joint is connected with the other end of the three-way joint through a rubber pipe assembly branch pipe B; one end of a main pipe of the rubber pipe assembly is also connected to the three-way joint; the rubber tube assembly main tube the other end is connected with a manual hydraulic pump.
A sealing gasket A is arranged between the axial pressing joint and the gear contact surface; a sealing gasket B is arranged between the radial pressing joint and the contact surface of the gear; and a gasket is arranged between the right end face of the connecting flange and the contact face of the connecting bolt.
The three-way joint further comprises: joint C, joint a and joint B; two ends of the rubber tube assembly branch pipe A are provided with an opening-closing type quick connector; the size of the two ends of the rubber tube assembly branch pipe A is matched with that of the axial pressing joint and the joint A.
As described above, the two ends of the branch pipe B of the rubber pipe assembly are provided with the open-close type quick connectors, and the sizes of the open-close type quick connectors at the two ends of the branch pipe B of the rubber pipe assembly are matched with the sizes of the radial pressing connectors and the connectors C.
As described above, the two ends of the main pipe of the rubber pipe assembly are provided with the open-close type quick connectors; a joint D is further arranged at the connecting end of the manual hydraulic pump and the main pipe of the rubber pipe assembly; the size of the two ends of the main pipe of the rubber pipe assembly is matched with the sizes of the connector B and the connector D.
The left side of the upper end face of the three-way joint is also provided with a threaded hole A for installing and fixing the joint C; the right side of the upper end face of the three-way joint is provided with a threaded hole B for installation and fixation of the joint A, and the right end face of the three-way joint is provided with a threaded hole C for installation and fixation of the joint B.
The invention has the following beneficial effects:
1. the disassembling tool is simple in structure, simple to operate and convenient to maintain;
2. the disassembly tool has reasonable structural design, and the disassembly of the gear can be completed without changing the structure of the gear or the oil pump by using the tool;
3. The tool adopts a manual hydraulic pump, a rubber tube assembly main tube, a three-way joint and two rubber tube assembly branch tubes to form a parallel hydraulic loop, and the gear is synchronously pressed through an axial joint and a radial joint of the gear, so that the potential safety hazard of damage to the gear caused by unsynchronized pressing can be effectively eliminated;
4. The tool can be used for efficiently completing the disassembly of the gear of the on-board lubrication pump of the diesel engine of the power station, and can not cause any damage to the gear or the oil pump.
Drawings
FIG. 1 is a schematic diagram of a power station diesel engine on-board pump gear removal tool designed in accordance with the present invention;
Fig. 2 is a schematic view of a connecting flange structure of a gear dismounting tool for an on-board pump of a diesel engine of a power station, and fig. 3 is a schematic view of a three-way joint structure of the gear dismounting tool for the on-board pump of the diesel engine of the power station;
Fig. 4 is a schematic structural diagram of a manual hydraulic pump of a gear dismounting tool for an on-board pump of a diesel engine of a power station.
1 -A gear; 2-a sealing gasket A; 3-pressing the joint axially; 4, connecting flanges; 5-jackscrews; 6, a gasket; 7, connecting bolts; 8-a sealing gasket B; 9-radial pressing the joint; 10-a rubber tube assembly branch pipe A; 11-linker a; 12-a three-way joint; 13-linker B; 14-linker C; 15-a rubber tube assembly branch pipe B; 16-a hose assembly main pipe; 17-linker D; 18-a manual hydraulic pump; 19-a through hole B; 20-a threaded through hole; 21-a through hole C; 22-a threaded hole A; 23-a threaded hole B; 24-threaded hole C
Detailed Description
The technology of the present invention is further described below:
As shown in fig. 1 to 4, a power station diesel engine on-board pump gear removing tool includes: one end of the axial pressing joint 3 and one end of the radial pressing joint 9 are respectively fixed on the gear 1 through threads, and a through hole B19, a threaded through hole 20 and a through hole C21 are formed in the connecting flange 4; the jackscrew 5 is screwed into the threaded through hole 20 to be in contact with the right end face of the driving shaft and is fixed on the gear 1 through the connecting flange 4; the right end face of the gear 1 is also provided with a connecting bolt 7; the other end of the axial pressing joint 3 is connected with one end of a three-way joint 11 through a rubber pipe assembly branch pipe A10; the other end of the radial pressing joint 9 is connected with the other end of the three-way joint 14 through a rubber pipe assembly branch pipe B15; one end of a main pipe 16 of the rubber pipe assembly is also connected to the three-way joint 12; the other end of the hose assembly main pipe 16 is connected with a manual hydraulic pump 18.
As described above, a sealing gasket A2 is arranged between the contact surface of the axial compression joint 3 and the gear 1, and is used for sealing, mounting and fixing the axial compression joint. A sealing gasket B8 is arranged between the contact surface of the radial pressing joint 9 and the gear 1 and is used for sealing, mounting and fixing the radial pressing joint; a gasket 6 is arranged between the contact surface of the right end surface of the connecting flange 4 and the connecting bolt 7.
The three-way joint 12 further includes: joint C14, joint a11 and joint B13; two ends of the rubber tube assembly branch pipe A10 are provided with an opening-closing type quick connector; the size of the two ends of the rubber tube assembly branch pipe A10 is matched with that of the axial pressing joint 3 and the joint A11.
As described above, the two ends of the rubber tube assembly branch pipe B15 are provided with the open-close type quick connectors, and the size of the open-close type quick connectors at the two ends of the rubber tube assembly branch pipe B15 is matched with the sizes of the radial pressing connectors 9 and the connectors 14C.
As described above, the two ends of the main pipe 16 of the rubber pipe assembly are provided with the open-close type quick connectors; a joint D17 is further arranged at the connecting end of the manual hydraulic pump 18 and the main pipe 16 of the rubber pipe assembly; the size of the two-end opening and closing type quick connectors of the main pipe 16 of the rubber pipe assembly are matched with the sizes of the connector B13 and the connector D17.
As described above, the three-way joint 12 is further provided with a threaded hole a22 on the left side of the upper end surface for mounting and fixing the joint 14C; the right side of the upper end face of the three-way joint 12 is provided with a threaded hole B23 for installing and fixing the joint A11, and the right end face of the three-way joint is provided with a threaded hole C24 for installing and fixing the joint B13.
The disassembly method of the power station diesel engine on-board pump gear disassembly tool according to any one of the above, comprising the following steps:
Step one: checking and confirming that the airborne lubricating oil pump is horizontally placed firmly; coating proper amounts of lubricating oil on the outer surfaces of the threads of the axial pressing joint 3, the radial pressing joint 9, the joint A11, the joint B13, the joint C (14) and the joint D17; the axial pressing joint 3 is screwed into the axial pressing threaded hole through the central hole of the sealing gasket A2 and is tightly tightened by hands; the position of the connecting flange 4 is adjusted to enable the two through holes C21 to be aligned with the two threaded blind holes on the gear 1, the two connecting bolts 7 respectively penetrate through the central hole of the gasket 6 and the through holes C21 to be screwed into the two threaded blind holes on the gear 1, and the gear is tightly tightened by hand; the jackscrew 5 is screwed into the threaded through hole 20 to be contacted with the right end face of the driving shaft, and is tightly tightened by hand;
Step two: using a wrench to fasten the two connecting bolts 7 and the axial compression joint 3 in place; screwing the radial pressing joint 9 into the radial pressing threaded hole through the central hole of the gasket 8, and fastening the radial pressing joint 9 in place by using a wrench; fitting the fittings a11, B13 and C14 into the threaded holes B23, C24 and a22, respectively, and tightening the fittings a11, B13 and C14 in place using a wrench;
Step three: connecting a rubber tube assembly branch pipe A10 with an axial pressurizing joint 3 and a joint A11, connecting a rubber tube assembly branch pipe B15 with a radial pressurizing joint 9 and a joint C14, and connecting a rubber tube assembly main pipe 16 with a joint B13 and a joint D17;
Step four: the pressure release knob of the manual hydraulic pump 18 is rotated clockwise to the bottom, the manual hydraulic pump 18 is pumped, the gear 1 starts to move slowly and rightwards, and is slowly screwed into the jackscrew 5 clockwise, and when the right-angle oil duct just exposes out of the left end face of the gear 1, the manual hydraulic pump 18 is stopped immediately; rotating the pressure release knob of the manual hydraulic pump 18 to the bottom anticlockwise, checking and confirming that the pressure gauge number above the manual hydraulic pump 18 is 0kPa, and detaching the rubber tube assembly branch tubes A10 and B15 from the axial pressurizing connector 3 and the radial pressurizing connector 9; removing the hose assembly branch pipe a10, the hose assembly branch pipe B15 and the hose assembly main pipe 16 from the joint a11, the joint B13, the joint C14 and the joint D17, and removing the joint a11, the joint B13 and the joint D14 from the three-way joint 12;
step five: tool parts are cleaned up, rust-proof oil is smeared on the thread, the opening is plugged, tinfoil paper is used for packaging, the tool parts are stored in a special tool box, and drying agents are required to be placed in the tool box.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The invention may be practiced otherwise than as specifically described.

Claims (1)

1. The utility model provides a power station diesel engine machine carries pump gear extracting tool which characterized in that includes: one end of the axial pressing joint (3) and one end of the radial pressing joint (9) are respectively fixed on the gear (1) through threads, and a through hole B (19), a threaded through hole (20) and a through hole C (21) are formed in the connecting flange (4); the jackscrew (5) is screwed into the threaded through hole (20) to be in contact with the right end surface of the driving shaft and is fixed on the gear (1) through the connecting flange (4); a connecting bolt (7) is also arranged on the right end face of the gear (1); the other end of the axial pressing joint (3) is connected with one end of a three-way joint (12) through a rubber tube assembly branch pipe A (10); the other end of the radial pressing joint (9) is connected with the other end of the three-way joint (12) through a rubber pipe assembly branch pipe B (15); one end of a main pipe (16) of the rubber pipe assembly is also connected to the three-way joint (12); the other end of the rubber tube assembly main tube (16) is connected with a manual hydraulic pump (18);
A sealing gasket A (2) is arranged between the contact surface of the axial pressing joint (3) and the gear (1); a sealing gasket B (8) is arranged between the contact surface of the radial pressing joint (9) and the gear (1); a gasket (6) is arranged between the right end face of the connecting flange (4) and the contact face of the connecting bolt (7);
The three-way joint (12) further comprises: joint C (14), joint a (11) and joint B (13); two ends of the rubber tube assembly branch pipe A (10) are provided with an opening-closing type quick connector; the size of the two ends of the rubber tube assembly branch pipe A (10) is matched with that of the axial pressing joint (3) and the joint A (11); the two ends of the rubber tube assembly branch pipe B (15) are provided with opening and closing type quick connectors, and the sizes of the opening and closing type quick connectors at the two ends of the rubber tube assembly branch pipe B (15) are matched with the sizes of the radial pressing connectors (9) and the connectors C (14);
Two ends of the main pipe (16) of the rubber pipe assembly are provided with opening and closing type quick connectors; a joint D (17) is further arranged at the connecting end of the manual hydraulic pump (18) and the main pipe (16) of the rubber pipe assembly; the size of the two ends of the main pipe (16) of the rubber pipe assembly is matched with the sizes of the joint B (13) and the joint D (17);
The left side of the upper end face of the three-way joint (12) is also provided with a threaded hole A (22) for installing and fixing a joint C (14); the right side of the upper end face of the three-way joint (12) is provided with a threaded hole B (23) for installing and fixing the joint A (11), and the right end face of the three-way joint is provided with a threaded hole C (24) for installing and fixing the joint B (13).
CN201910778531.6A 2019-08-22 2019-08-22 Disassembling tool and disassembling method for power station diesel engine on-board pump gear Active CN110450091B (en)

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CN201910778531.6A CN110450091B (en) 2019-08-22 2019-08-22 Disassembling tool and disassembling method for power station diesel engine on-board pump gear

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Publication number Priority date Publication date Assignee Title
CN111267039B (en) * 2020-03-31 2024-01-12 江苏核电有限公司 Disassembling tool and disassembling method for power station diesel engine on-board cooling water pump impeller

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