CN101862742A - Automatic cleaning device of cylinder oil way - Google Patents

Automatic cleaning device of cylinder oil way Download PDF

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Publication number
CN101862742A
CN101862742A CN 201010212822 CN201010212822A CN101862742A CN 101862742 A CN101862742 A CN 101862742A CN 201010212822 CN201010212822 CN 201010212822 CN 201010212822 A CN201010212822 A CN 201010212822A CN 101862742 A CN101862742 A CN 101862742A
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China
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water
cylinder
oil duct
oil way
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CN 201010212822
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Chinese (zh)
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CN101862742B (en
Inventor
陈铭
朱明宇
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

The invention relates to an automatic cleaning device of a cylinder oil way, belonging to the technical field of vehicle product remanufacture. The automatic cleaning device of the cylinder oil way comprises a stream generating device, a backwater pipe, a closed water storage device, a control device and a connection device, wherein the stream generating device comprises a variable-frequency motor, a water pump, a pressure regulator, a pressure gauge and a brake valve, wherein the control device comprises a PLC (Programmable Logic Controller) and a plurality of two-position two-way electromagnetic valve for water, the connection device comprises a plurality of rapid joints, a plurality of water pipes, a planar oil way closing plate and a main bearing hole oil way closed plate. The invention improves the cleaning efficiency, reduces the labor intensity, decreases the cleaning cost, reduces the environmental pollution, ensures the cleaning effect and better satisfies the need for cleaning the oil way of a remanufactured cylinder.

Description

Automatic cleaning device of cylinder oil way
Technical field
What the present invention relates to is the device in a kind of automobile product re-manufacturing technology field, in particular a kind of automatic cleaning device of cylinder oil way.
Background technology
At present, China all has the automobile that surpasses 2,000,000 to scrap every year, produced a large amount of waste and old cylinder bodies, making is exactly to make waste and old cylinder body have the quality and the performance of (even surpassing) new cylinder body later on by disassembling, clean, detect series of process such as classification, manufacturing processing again, assembling again, realizes the purpose that turns waste into wealth.Cleaning be cylinder body most important in the manufacture process more also be the technology of most critical, the quality of cleaning quality directly has influence on the quality that cylinder body is made again.The cleaning of oil duct is again the most important thing of cylinder body cleaning, if oil duct cleaning is thorough inadequately, during engine operation, the impurity that remains in the oil duct will flowing in the friction pair along with lubricating oil, cause the premature wear of engine, have a strong impact on the performance and the service life of making engine again.
The cylinder-body oil duct complex structure, branch is many, the cleaning difficulty is big, traditional clean method mainly contains two kinds: a kind of is to utilize elongated hairbrush to dip in to get diesel oil or machine oil to insert in the oil duct to scrub repeatedly, this method cleaning cost height, efficient is low, labour intensity is big, be difficult to realize mass production, can not satisfy the requirement that cylinder body is made again; Another kind is to utilize high-pressure water jet that cylinder-body oil duct is washed, but because that high-pressure water jet enters behind the cylinder-body oil duct speed and pressure decay is too fast, the discharge that enters each branch of oil duct is very little, souring to the oil duct inwall also sharply reduces, therefore this method can't thoroughly clean the more serious waste and old cylinder-body oil duct of damage ratio, can not satisfy the requirement of making the cylinder-body oil duct cleaning again.
Find by prior art documents, do not find the open source literature report relevant so far as yet with the cylinder-body oil duct automated cleaning.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of automatic cleaning device of cylinder oil way is provided, improve the oil duct cleaning efficiency, reduce labour intensity and cleaning cost, minimizing to the pollution of environment, guarantee cleaning effect, satisfy the needs of making the cylinder-body oil duct cleaning again better.
The present invention is achieved by the following technical solutions:
The present invention includes: current generation device, return pipe, airtight water-storing device, control device and jockey, wherein: an end of current generation device links to each other with airtight water-storing device, the other end of current generation device links to each other with cylinder body to be cleaned, airtight water-storing device links to each other with return pipe, return pipe links to each other with control device, control device links to each other with jockey, and jockey links to each other with cylinder body to be cleaned, and control device links to each other with the current generation device.
Between described airtight water-storing device and the return pipe graded filter is set.
Described current generation device comprises: variable-frequency motor, water pump, pressure regulator, Pressure gauge and gate valve, wherein: an end of variable-frequency motor links to each other with control device and transmits control information, the other end of variable-frequency motor links to each other with water pump, water pump links to each other with airtight water-storing device with pressure regulator respectively, Pressure gauge links to each other with pressure regulator, one end of gate valve links to each other with pressure regulator, and the other end of gate valve links to each other with cylinder body to be cleaned.
Be provided with one between described airtight water-storing device and the water pump and go out water filter.
Described control device comprises: PLC (programmable logic controller (PLC)) controller and several water two-position two-way solenoid valves, wherein: an end of PLC controller links to each other with the current generation device and transmits control information, the other end of PLC controller links to each other with two-position two-way solenoid valve with each water respectively, and water is arranged on the return pipe and with jockey with two-position two-way solenoid valve and links to each other.
Described jockey comprises: some snap joints, some water pipes, plane oil duct coffer and main bearing hole oil duct coffers, wherein: plane oil duct coffer is arranged on the plane of cylinder body to be cleaned, main bearing hole oil duct coffer is arranged in the main bearing hole of cylinder body to be cleaned, snap joint is arranged in the oil duct outlet of cylinder body to be cleaned, one end of water pipe links to each other with control device, the other end of water pipe is continuous with a corresponding snap joint, and the snap joint at the main oil gallery oil-in place of cylinder body to be cleaned links to each other with the current generation device.
Be provided with some screwed holes on described plane oil duct coffer and the described main bearing hole oil duct coffer, snap joint is arranged on the screwed hole.
The course of work of the present invention: at first cylinder body to be cleaned is fixed on the workbench, be separately fixed at plane oil channel sealing plate and main bearing hole oil channel sealing plate on the cylinder body plane then and main bearing hole in, be connected the cylinder body plane oil duct with several snap joints respectively with water pipe again, the main bearing hole oil duct, side oil channel, each outlet of main oil gallery front end face oilhole and corresponding several water two-position two-way solenoid valves, utilize water pipe and snap joint to connect gate valve and main oil gallery oil-in, start the PLC controller then, the PLC controller will be controlled variable-frequency motor drive water pump and begin changed speed operation clocklike, produce the just staggered High-Pressure Water of pressure, PLC controller 1 will alternately connect and cut out the water two-position two-way solenoid valve subsequently, thereby realize that all cylinder-body oil duct branches are carried out the High-Pressure Water cleaning one by one (promptly only connects a water two-position two-way solenoid valve at every turn, close other water two-position two-way solenoid valve, guarantee that the High-Pressure Water flow does not disperse, avoid the too fast decay of water flow pressure and speed, enhancing is to the cleaning action of oil duct branch, after cleaning a period of time, PLC controller 1 will be opened the water two-position two-way solenoid valve of next oil duct branch automatically, close the oil duct branch water two-position two-way solenoid valve that had cleaned simultaneously.So cycle alternation is realized the purpose of High-Pressure Water " dredging bridging closes ", cleans each oil duct branch one by one), in cleaning course, can make the interior hydraulic pressure of water pipe in safe range according to the maximum manual adjustments pressure regulator of Pressure gauge demonstration.After all oil duct cleanings finish, the PLC controller will cut out variable-frequency motor automatically.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopts the PLC controller to control automatically, can alternately connect and close several water two-position two-way solenoid valves in the time at certain intervals, only guarantee that at every turn a water is in on-state with two-position two-way solenoid valve, other water is all closed with two-position two-way solenoid valve, thereby realize each branch of cylinder-body oil duct is washed separately, prevent High-Pressure Water pressure and flow velocity too fast decay, avoid the dispersion of flow, effectively strengthened scouring effect to the oil duct inwall.When the next oil duct of cleaning branch, connect corresponding water two-position two-way solenoid valve automatically, close simultaneously and close the water two-position two-way solenoid valve of an oil duct branch, realize " dredging bridging closes " of High-Pressure Water, clean all oil ducts one by one;
2, PLC controller of the present invention can make the rotating speed fluctuation up and down clocklike of variable-frequency motor, thereby makes the pressure of High-Pressure Water and flow velocity oscillation on small scale occur, strengthens the souring to the oil duct inwall;
3, circularly purifying of the present invention mechanism can realize the recycling of water, thereby reduces cleaning cost, reduces the pollution to environment;
4, automaticity height of the present invention is simple to operate, and cleaning effect is good, effectively reduces labour intensity, can satisfy requirements of large-scale production.
Description of drawings
Fig. 1 is the structural representation of embodiment;
Wherein: the 1-PLC controller; The 2-graded filter; The 3-return pipe; The airtight water-storing device of 4-; 5-goes out water filter; 6-plane oil duct coffer; 7-main bearing hole oil duct coffer; The 8-variable-frequency motor; The 9-water pump; The 10-pressure regulator; The 11-Pressure gauge; The 12-gate valve.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
Present embodiment is an example to clean 6 cylinder straight engine cylinder-body oil ducts, and as shown in Figure 1, the cylinder body plane oil duct of this kind model has 6 branches, is labeled as B respectively 1~B 6, the main bearing hole oil duct has 7 branches, is labeled as C respectively 1~C 7, side oil channel has 3 branches, is labeled as D respectively 1~D 3, main oil gallery is labeled as A, and the main oil gallery oil input channel is labeled as A 1, main oil gallery end face oilhole is labeled as A 2
As shown in Figure 1, present embodiment comprises: the current generation device, graded filter 2, return pipe 3, airtight water-storing device 4, go out water filter 5, control device and jockey, wherein: an end of current generation device with go out water filter 5 and link to each other, the other end of current generation device links to each other with cylinder body to be cleaned, going out water filter 5 links to each other with airtight water-storing device 4, airtight water-storing device 4 graded filters 2 link to each other, graded filter 2 links to each other with return pipe 3, return pipe 3 links to each other with control device, control device links to each other with jockey, jockey links to each other with cylinder body to be cleaned, and control device links to each other with the current generation device.
Described airtight water-storing device 4 is airtight water tanks.
Described current generation device comprises: variable-frequency motor 8, water pump 9, pressure regulator 10, Pressure gauge 11 and gate valve 12, wherein: an end of variable-frequency motor 8 links to each other with control device and transmits control information, the other end of variable-frequency motor 8 links to each other with water pump 9, water pump 9 respectively with pressure regulator 10 with go out water filter 5 and link to each other, Pressure gauge 11 links to each other with pressure regulator 10, one end of gate valve 12 links to each other with pressure regulator 10, and the other end of gate valve 12 links to each other with cylinder body to be cleaned.
Described variable-frequency motor 8, employing be can be in 0r/min~1500r/min scope the threephase asynchronous of electrodeless variable-speed, enough moments of torsion can be provided, make water pump 9 produce the High-Pressure Water of 16Mpa.
Described control device comprises: PLC controller 1 and 17 water two-position two-way solenoid valves, wherein: an end of PLC controller 1 links to each other with variable-frequency motor 8 and transmits control information, the other end of PLC controller 1 links to each other with two-position two-way solenoid valve with each water respectively, and water is arranged on the return pipe 3 and with jockey with two-position two-way solenoid valve and links to each other.
Described PLC controller 1, the programmable automatic control program of storage inside, can control variable-frequency motor 8 during work and drive water pump 9 changed speed operation clocklike, produce the just staggered High-Pressure Water of pressure, can alternately connect and close the water two-position two-way solenoid valve at interval in 40 seconds automatically simultaneously, realize all cylinder-body oil duct branches are carried out the High-Pressure Water cleaning one by one.
Described water two-position two-way solenoid valve, employing be that the through hole internal diameter is 10mm, the maximum pressure that bears is the magnetic valve of 12Mpa.
Described jockey comprises: 18 snap joints, 17 rubber water pipes, 1 plastic water pipe, plane oil duct coffer 6 and main bearing hole oil duct coffer 7, wherein: plane oil duct coffer 6 is by on the plane that is bolted to cylinder body, main bearing hole oil duct coffer 7 is arranged in the main bearing hole of cylinder, plane oil duct coffer 6 is provided with 6 threaded hole, main bearing hole oil duct coffer 7 is provided with 7 threaded hole, a snap joint is installed on each threaded hole, a snap joint is installed, with the main oil gallery oil-in A of cylinder body on each oil-in of cylinder body 1The other end of the snap joint that links to each other links to each other with an end of gate valve 12 by plastic water pipe, and the other end of the snap joint that links to each other with other oil-in of cylinder body passes through the rubber water pipe and links to each other with two-position two-way solenoid valve with corresponding water.
What described snap joint was adopted is that temperature range is-20 ℃~+ 180 ℃, uses maximum pressure to be the copper snap joint more than the 16Mpa.
The process of present embodiment is: at first cylinder body is fixed on the workbench, utilize bolt to be separately fixed at plane oil duct coffer 6 and main bearing hole oil duct coffer 7 on the cylinder body plane then and main bearing hole in, with 17 snap joints respectively with cylinder body plane oil duct outlet B 1~B 6, main bearing hole oil duct C 1~C 7, side oil channel D 1~D 3, main oil gallery end face oilhole A 2Each oil duct branch outlet link to each other, by 17 rubber tubes these 17 snap joints are linked to each other with two-position two-way solenoid valve with 17 water again, with main oil gallery oil-in A 1Another snap joint that links to each other links to each other with gate valve 12 by plastic water pipe.Start PLC controller 1, variable-frequency motor 8 drives water pump 9 and begin changed speed operation clocklike under the control of PLC controller 1, produce the just staggered High-Pressure Water of pressure, the maximum manual adjustments pressure regulator 10 that shows according to Pressure gauge 11 again, make the interior hydraulic pressure of water pipe in safe range, open gate valve 12, PLC controller 1 will be according to the C of oil duct branch simultaneously 1-B 1-C 2-B 2-C 3-B 3-C 4-B 4-D 1-C 5-D 2-B 5-D 3-C 6-B 6-C 7-A 2Order alternately connect corresponding water two-position two-way solenoid valve successively, be 40 seconds each blanking time, each branch of oil duct washed separately, after all oil duct branch cleanings finish, PLC controller 1 will stop the running of variable-frequency motor 8 automatically, and whole cleaning course finishes.
The concrete advantage of present embodiment is:
1, present embodiment adopts PLC controller 1 control automatically, can alternately connect and close 17 water two-position two-way solenoid valves in 40 seconds at interval, only guarantee that at every turn a water is in on-state with two-position two-way solenoid valve, other water is all closed with two-position two-way solenoid valve, can be according to C 1-B 1-C 2-B 2-C 3-B 3-C 4-B 4-D 1-C 5-D 2-B 5-D 3-C 6-B 6-C 7-A 2Order automatically each oil duct branch is cleaned separately;
2, present embodiment can make variable-frequency motor 8 fluid drive under the control of PLC controller 1, thereby makes the pressure of High-Pressure Water and flow velocity oscillation on small scale occur, strengthens the souring to the oil duct inwall;
3, present embodiment utilizes graded filter 2 and goes out 5 pairs of current of water filter and filters, and helps the recycling of water, reduces cleaning cost, reduces the pollution to environment;
4, present embodiment automaticity height, labour intensity is low, and cleaning effect is good, can finish the cleaning to all oil duct branches in 12 minutes automatically, has improved more than 2 times than traditional manual cleaning method efficient.

Claims (8)

1. automatic cleaning device of cylinder oil way, it is characterized in that, comprise: current generation device, return pipe, airtight water-storing device, control device and jockey, wherein: an end of current generation device links to each other with airtight water-storing device, the other end of current generation device links to each other with cylinder body to be cleaned, airtight water-storing device links to each other with return pipe, return pipe links to each other with control device, control device links to each other with jockey, jockey links to each other with cylinder body to be cleaned, and control device links to each other with the current generation device.
2. automatic cleaning device of cylinder oil way according to claim 1 is characterized in that, between described airtight water-storing device and the return pipe graded filter is set.
3. automatic cleaning device of cylinder oil way according to claim 1, it is characterized in that, described current generation device comprises: variable-frequency motor, water pump, pressure regulator, Pressure gauge and gate valve, wherein: an end of variable-frequency motor links to each other with control device and transmits control information, the other end of variable-frequency motor links to each other with water pump, and water pump links to each other with airtight water-storing device with pressure regulator respectively, and Pressure gauge links to each other with pressure regulator, one end of gate valve links to each other with pressure regulator, and the other end of gate valve links to each other with cylinder body to be cleaned.
4. according to claim 1 or 3 described automatic cleaning device of cylinder oil way, it is characterized in that, be provided with one between described airtight water-storing device and the water pump and go out water filter.
5. automatic cleaning device of cylinder oil way according to claim 1, it is characterized in that, described control device comprises: PLC controller and several water two-position two-way solenoid valves, wherein: an end of PLC controller links to each other with the current generation device and transmits control information, the other end of PLC controller links to each other with two-position two-way solenoid valve with each water respectively, and water is arranged on the return pipe and with jockey with two-position two-way solenoid valve and links to each other.
6. automatic cleaning device of cylinder oil way according to claim 1, it is characterized in that, described jockey comprises: some snap joints, some water pipes, plane oil duct coffer and main bearing hole oil duct coffer, wherein: plane oil duct coffer is arranged on the plane of cylinder body to be cleaned, main bearing hole oil duct coffer is arranged in the main bearing hole of cylinder body to be cleaned, snap joint is arranged in the oil duct outlet of cylinder body to be cleaned, one end of water pipe links to each other with control device, the other end of water pipe is continuous with a corresponding snap joint, and the snap joint at the main oil gallery oil-in place of cylinder body to be cleaned links to each other with the current generation device.
7. automatic cleaning device of cylinder oil way according to claim 6 is characterized in that, described plane oil duct coffer is provided with some screwed holes, and each screwed hole is provided with a snap joint.
8. according to claim 6 or 7 described automatic cleaning device of cylinder oil way, it is characterized in that described main bearing hole oil duct coffer is provided with some screwed holes, each screwed hole is provided with a snap joint.
CN2010102128228A 2010-06-30 2010-06-30 Automatic cleaning device of cylinder oil way Expired - Fee Related CN101862742B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120219A (en) * 2010-12-10 2011-07-13 上海交通大学 High-pressure jet flow cleaning technique test device
CN107178679A (en) * 2017-07-03 2017-09-19 华北科技学院 A kind of apparatus and method for being used to prevent the large-scale particulate matter in mucus from blocking pipeline
CN107575305A (en) * 2017-11-06 2018-01-12 河南华洋发动机制造有限公司 Engine cylinder-body oil duct hole flexible cleaning device
CN108927386A (en) * 2018-07-19 2018-12-04 信东仪器仪表(苏州)股份有限公司 A kind of novel high-pressure blow device
CN112024535A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning system of aircraft brake device
CN112024495A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning tool for aircraft brake device
CN112024494A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning method for airplane brake device
CN112588733A (en) * 2020-11-26 2021-04-02 江苏佰健环保科技有限公司 Method and device for cleaning carbon deposit on inner wall of deep pipe of complex multi-channel oil supply loop
CN115634879A (en) * 2022-12-23 2023-01-24 盛瑞传动股份有限公司 Scouring method of valve plate assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2673189B2 (en) * 1988-09-09 1997-11-05 住吉重工業株式会社 Sewer pipe cleaning device
KR20050043041A (en) * 2003-11-04 2005-05-11 윤석준 Impulse generator for pipe cleaning
CN1250348C (en) * 2001-05-11 2006-04-12 中国人民解放军白求恩国际和平医院 Pipe dredging device
CN201249188Y (en) * 2008-08-21 2009-06-03 上海伟司机械设备有限公司 Dual-frequency converting hydraulic pipeline cleaning device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2673189B2 (en) * 1988-09-09 1997-11-05 住吉重工業株式会社 Sewer pipe cleaning device
CN1250348C (en) * 2001-05-11 2006-04-12 中国人民解放军白求恩国际和平医院 Pipe dredging device
KR20050043041A (en) * 2003-11-04 2005-05-11 윤석준 Impulse generator for pipe cleaning
CN201249188Y (en) * 2008-08-21 2009-06-03 上海伟司机械设备有限公司 Dual-frequency converting hydraulic pipeline cleaning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《机械设计与研究》 20091031 刘诗巍等 汽车产品再制造的清洗技术:原理与方法 第25卷, 第05期 2 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120219A (en) * 2010-12-10 2011-07-13 上海交通大学 High-pressure jet flow cleaning technique test device
CN107178679A (en) * 2017-07-03 2017-09-19 华北科技学院 A kind of apparatus and method for being used to prevent the large-scale particulate matter in mucus from blocking pipeline
CN107575305A (en) * 2017-11-06 2018-01-12 河南华洋发动机制造有限公司 Engine cylinder-body oil duct hole flexible cleaning device
CN108927386A (en) * 2018-07-19 2018-12-04 信东仪器仪表(苏州)股份有限公司 A kind of novel high-pressure blow device
CN108927386B (en) * 2018-07-19 2023-09-29 信东仪器仪表(苏州)股份有限公司 Novel high-pressure purging device
CN112024535A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning system of aircraft brake device
CN112024495A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning tool for aircraft brake device
CN112024494A (en) * 2020-07-08 2020-12-04 西安航空制动科技有限公司 Cylinder seat cleaning method for airplane brake device
CN112588733A (en) * 2020-11-26 2021-04-02 江苏佰健环保科技有限公司 Method and device for cleaning carbon deposit on inner wall of deep pipe of complex multi-channel oil supply loop
CN115634879A (en) * 2022-12-23 2023-01-24 盛瑞传动股份有限公司 Scouring method of valve plate assembly
CN115634879B (en) * 2022-12-23 2023-04-07 盛瑞传动股份有限公司 Scouring method of valve plate assembly

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