CN105964632B - A kind of online wash cycles technique of hydraulic plumbing system - Google Patents

A kind of online wash cycles technique of hydraulic plumbing system Download PDF

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Publication number
CN105964632B
CN105964632B CN201610367577.5A CN201610367577A CN105964632B CN 105964632 B CN105964632 B CN 105964632B CN 201610367577 A CN201610367577 A CN 201610367577A CN 105964632 B CN105964632 B CN 105964632B
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China
Prior art keywords
cleaning
cleaned
circuit
pipeline
valve block
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CN201610367577.5A
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Chinese (zh)
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CN105964632A (en
Inventor
杨爱萍
王锐敏
张海冰
李波
李伟
崔卫国
李庆鹤
王联融
王玮
黄茜
王长亮
张萍
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China Academy of Launch Vehicle Technology CALT
Shanxi Aerospace Qinghua Equipment Co Ltd
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China Academy of Launch Vehicle Technology CALT
Changzhi Qinghua Machinery Factory
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing

Abstract

A kind of online wash cycles technique of hydraulic plumbing system, belong to the pipeline cleaning technology in hydraulic drive field, the technical problem to be solved is that provide one kind to be directed to the online wash cycles technology of complicated, long, big hydraulic plumbing system, in order to improve the quality of cleaning and efficiency, used technical solution:The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly;Second step, designs scavenger circuit;4th step, design mould dress valve block assembly;5th step, connects circuit to be cleaned;6th step, connection cleaning oil sources;7th step, cleans each circuit to be cleaned;Whether the 8th step, examine cleaning performance qualified, valve block assembly and control valve member and true valve block assembly qualified then that replace cleaning, complete cleaning, the unqualified cleaning process for then repeating the 7th step, untill cleaning performance qualification, the present invention is applied to fluid pressure line and cleans.

Description

A kind of online wash cycles technique of hydraulic plumbing system
Technical field
A kind of online wash cycles technique of hydraulic plumbing system, belongs to the pipeline cleaning technology in hydraulic drive field, special It is not to be related to a kind of on-line cleaning technology of complicated, long, big fluid pressure line.
Background technology
For complicated, long, big hydraulic plumbing system, the process and flow that online wash cycles use at present are:It is disconnected Hydraulic power unit, executive component and control element etc. are opened, each hydraulic fluid port is subjected to short circuit with interim jumper pipe, pipeline is connected into one Or several circuits;The circuit of short circuit is split by " pipe-line system schematic diagram ", and is carried out respectively with reference to hydraulic system principle figure Cleaning.This cleaning is disadvantageous in that:1st, the online wash cycles circuit after short circuit, except comprising to be cleaned hard Pipe, hoseline, also have oil circuit complicated in valve block assembly.Valve block assembly hole system is complicated, and there are many blind holes, right angle to connect Hole, phase perforation etc., in cleaning process, because oil circuit is mutually conducted, the fifth wheel washed out can be brought into some hardly possiblies by the fluid of flowing With the dead angle of cleaning;2nd, some in valve block assembly are intensive, the short-bore of direction curvedization multiterminal, aperture can produce resistance to cleaning fluid Power, causes pressure loss during cleaning, influences the quality and efficiency of cleaning;3rd, the scavenger circuit caliber after short circuit is inconsistent, right In differing larger inside pipe wall, the change of cleaning pressure, flow can be caused, it is not reached optimal clean environment.Domestic and state It is many for the online wash cycles technical research of complicated, long, big hydraulic plumbing system outside, but for being referred to not in background technology Foot part is not studied but accordingly.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and are circulated online for complicated, long, big hydraulic plumbing system Cleaning technique, in order to improve the quality of cleaning and efficiency.
In order to solve the above technical problems, the technical solution adopted in the present invention:A kind of online circulation cleaning of hydraulic plumbing system Wash technique, it is characterised in that follow the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly;
Second step, designs scavenger circuit, is combed according to each pipeline that hydraulic system pipeline figure cleans needs, Caliber is consistent or caliber differs less pipeline to be cleaned and is attached;By the inconsistent pipeline of caliber, by from thick to thin Be linked in sequence;
3rd step, the passage in mould dress valve block assembly is designed according to the scavenger circuit of second step;
4th step, by the mould designed in the 3rd step dress valve block assembly be connected to circuit to be cleaned, by pipeline to be cleaned along Wash cycles direction, by being linked in sequence from thick to thin;
5th step, is the pipeline to be cleaned connection cleaning oil sources in the 4th step;
6th step, each circuit to be cleaned is cleaned according to the wash cycles circuit of design one by one;
Whether the 7th step, examine cleaning performance qualified, true valve block assembly and control valve member qualified then that replace cleaning, Complete cleaning, the unqualified cleaning process for then repeating the 7th step, untill cleaning performance qualification.
Caliber is consistent in the second step or caliber is differed less pipeline to be cleaned and connected into back using series system Road.
Caliber is consistent in the second step or caliber is differed less pipeline to be cleaned and connected into by the way of in parallel Circuit.
Compared to the prior art the present invention has the advantages that.
First, the present invention by combing the fluid pressure line of complexity again, and is designed often according to the pipe diameter size of pipeline to be cleaned One wash cycles circuit, it is specifically that caliber is consistent or the less pipeline of difference is first in series or in parallel, then by caliber Inconsistent pipeline both can guarantee that what needs cleaned according to being linked in sequence from thick to thin for scavenger circuit, such connection design Pipeline can clean to, and can guarantee that the pipeline to be cleaned can obtain optimal clean condition (pressure, flow), redesign it is clear The difficulty of cleaning can effectively be reduced by washing circuit, greatly reduce some positions and dead angle position for being difficult to clear up, while cleaning solution exists It is more easy to flow with turbulent condition in pipeline so that a part makees the cleaning solution of horizontal eddy motion, and it is difficult can effectively to remove those With the position of removing and dead angle position.
2nd, the present invention replaces true valve block assembly by using mould dress valve block assembly at the same time, simplifies the hole system of true valve block Structure, removes the unnecessary hole for being not involved in wash cycles and reduces cleaning dead angle, and according to designed wash cycles circuit, will Passage pore size and trend optimize according to actual needs, and it is intensive, direction curvedization multiterminal to avoid some in valve block assembly Short-bore, aperture can produce resistance to cleaning fluid, cause pressure loss during cleaning, and the mould dress valve block assembly after optimization makes circulation Cleaning reaches optimal clean state, effectively increases cleaning quality and efficiency.
Brief description of the drawings
Fig. 1 is the cleaning process flow figure of the present invention.
Fig. 2 is the schematic diagram of true valve block assembly.
Fig. 3 is the schematic diagram that mould of the present invention fills valve block assembly.
Embodiment
As shown in Figure 1, a kind of online wash cycles technique of hydraulic plumbing system, follows the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly;
Second step, designs scavenger circuit, is combed according to each pipeline that hydraulic system pipeline figure cleans needs, Caliber is consistent or caliber differs less pipeline to be cleaned and is attached;By the inconsistent pipeline of caliber, by from thick to thin Be linked in sequence;
3rd step, the passage in mould dress valve block assembly is designed according to the scavenger circuit of second step;
4th step, by the mould designed in the 3rd step dress valve block assembly be connected to circuit to be cleaned, by pipeline to be cleaned along Wash cycles direction, by being linked in sequence from thick to thin;
5th step, is the pipeline to be cleaned connection cleaning oil sources in the 4th step;
6th step, each circuit to be cleaned is cleaned according to the wash cycles circuit of design one by one;
Whether the 7th step, examine cleaning performance qualified, true valve block assembly and control valve member qualified then that replace cleaning, Complete cleaning, the unqualified cleaning process for then repeating the 7th step, untill cleaning performance qualification.
Caliber is consistent in the second step or caliber is differed less pipeline to be cleaned and connected into back using series system Road.
Caliber is consistent in the second step or caliber is differed less pipeline to be cleaned and connected into by the way of in parallel Circuit.
The mould dress valve block assembly fills valve block by mould and control valve latch fitting forms, and wherein mould dress valve block is used for replacing hydraulic tube True valve block in road, its installation site and appearance and size are consistent with true valve block, with the interface for needing detergent line to be connected Position, size are also identical with true valve block, but mould dress valve block redesigns true valve hole system in the block, it is therefore intended that Simplify the hole series structure of true valve block, remove the unnecessary hole for being not involved in wash cycles and reduce cleaning dead angle, while according to institute The wash cycles circuit of design, passage pore size and trend are optimized according to actual needs.Mould fills valve block and true valve block Compare, not only greatly reduce production difficulty, while more adapt to the requirement in wash cycles circuit, optimal clean shape can be reached State.Control valve member in mould dress valve block assembly is used for controlling the cleaning of different circuit and the two-way cleaning of the same circuit, with reality Control valve member in the fluid pressure line of border is compared, and quantity greatly reduces.
The present invention chooses certain information-based flat pad hydraulic system pipeline is objective for implementation, and cleaning performance is examined with this, The characteristics of certain information-based flat pad hydraulic system pipeline is:Pipeline arrangement is complicated, connects distance, takes up space greatly.
Specific implementation process is:First according to certain information-based flat pad hydraulic system pipeline figure, online design circulation cleaning Wash circuit(Totally 8)And mould dress valve block assembly.Mainly it is made of per branch circuit pipeline to be cleaned and mould dress valve block assembly.Mould fills valve Block assembly fills valve block by mould and control valve latch fitting forms, and Fig. 2 show the original of certain true valve block assembly and mould dress valve block assembly Reason figure compares, it can be seen that mould fills valve block assembly and removes the hydraulic valve piece that need not be cleaned in true valve block assembly, and removes Corresponding access opening, while install a small amount of control element additional.Compared with true valve block fills valve block with mould, mould dress valve pipe hole in the block Need to redesign according to scavenger circuit, hole series structure greatly simplifies, and not only reduces the quantity in pipeline hole, while aperture is big It is small consistent, difficulty of processing is so both reduced, while the aperture of complicated pipeline and change during wash cycles can also be reduced The negatively influencing that cleaning parameters are produced.
According to online wash cycles technological process(Fig. 1)Wash cycles are carried out, every pipeline-cleaning finishes, and carries out cleannes Detection, examination criteria:Check filter oil suction chamber(Including filter core oil inlet side)In the solid particle that should be visible by naked eyes, at the same time Taking a sample to check for cleaning fluid is carried out in the upstream of return filter, contamination level of oil liquid must not exceed 18/ as defined in QJ2724.1 15 grades.Table 1 is the cleaning data of certain branch circuit.
Certain the branch circuit wash cycles data of table 1
Whole trolley cleaning finishes, and examines wash result:
Cleannes:It is no more than 18/15 grade as defined in QJ2724.1 per branch circuit contamination level of oil liquid.
Cleaning efficiency:Through statistics, 8 branch circuits, per branch circuit scavenging period for 0.5 it is small when, need altogether 4 it is small when, it is and in the past every Trolley be averaged scavenging period for 6 it is small when or so, cleaning efficiency improve 33%.
The present invention is suitable for a kind of complicated, long, big online wash cycles of hydraulic plumbing system, and following effect is can reach after cleaning Fruit:(1)The hydraulic oil liquid that circulation cleaning washes, granularity are no more than QJ2724.1《Space flight hydraulic contamination controls working solution solid Grain class of pollution coding method》18/15 grade as defined in standard;(2)Improve the efficiency more than 20% of wash cycles.
Above-described embodiment is explanation of the invention and unrestricted, the deformation made without departing from the principles of the present invention Also within protection scope of the present invention.

Claims (3)

1. a kind of online wash cycles technique of hydraulic plumbing system, it is characterised in that follow the steps below:
The first step, first disconnects hydraulic power unit, executive component and control valve member and true valve block assembly;
Second step, designs scavenger circuit, is combed, will managed according to each pipeline that hydraulic system pipeline figure cleans needs Footpath is consistent or caliber differs less pipeline to be cleaned and is attached;It is suitable by from thick to thin by the inconsistent pipeline of caliber Sequence connects;
3rd step, the passage in mould dress valve block assembly is designed according to the scavenger circuit of second step;
4th step, is connected to circuit to be cleaned, by pipeline to be cleaned along circulation by the mould designed in the 3rd step dress valve block assembly Direction is cleaned, by being linked in sequence from thick to thin;
5th step, is the pipeline to be cleaned connection cleaning oil sources in the 4th step;
6th step, each circuit to be cleaned is cleaned according to the wash cycles circuit of design one by one;
Whether the 7th step, examine cleaning performance qualified, and true valve block assembly and control valve member qualified then that replace cleaning, are completed Cleaning, the unqualified cleaning process for then repeating the 7th step, untill cleaning performance qualification.
A kind of 2. online wash cycles technique of hydraulic plumbing system according to claim 1, it is characterised in that:Described second Caliber is consistent in step or caliber differs less pipeline to be cleaned and connects into circuit using series system.
A kind of 3. online wash cycles technique of hydraulic plumbing system according to claim 1, it is characterised in that:Described second Caliber is consistent in step or caliber differs less pipeline to be cleaned and connects into circuit by the way of in parallel.
CN201610367577.5A 2016-05-30 2016-05-30 A kind of online wash cycles technique of hydraulic plumbing system Active CN105964632B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237124A (en) * 2016-12-26 2018-07-03 中冶天工集团天津有限公司 A kind of hydraulic system sectional flushing system
CN109604266B (en) * 2018-10-31 2021-11-02 沪东中华造船(集团)有限公司 Oil distribution assembly for oil feeding and cleaning of ship outfield thin-pipe-diameter pipelines
CN111365328A (en) * 2020-04-20 2020-07-03 株洲特装智能装备有限公司 Hydraulic oil circuit system
CN111473185B (en) * 2020-04-25 2021-08-20 重庆三联管道设备有限公司 Cleaning method of process pipeline

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397132A2 (en) * 1989-05-10 1990-11-14 BGV GESELLSCHAFT FÜR VERFAHRENSTECHNIK mbH Device for removing components or material projecting from the interior space of pipes
CN104907294A (en) * 2015-04-30 2015-09-16 天津二十冶建设有限公司 Closed type recycle washing device for pipeline of hydraulic system
CN105057291A (en) * 2015-07-17 2015-11-18 山推工程机械股份有限公司 Pipeline cleaning system
CN204974637U (en) * 2015-08-04 2016-01-20 郑州恒锦峰工贸有限公司 Hydraulic pipeline cleaning device
CN205236566U (en) * 2015-12-21 2016-05-18 双威液压工业(芜湖)有限公司 A belt cleaning device for hydraulic system pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397132A2 (en) * 1989-05-10 1990-11-14 BGV GESELLSCHAFT FÜR VERFAHRENSTECHNIK mbH Device for removing components or material projecting from the interior space of pipes
CN104907294A (en) * 2015-04-30 2015-09-16 天津二十冶建设有限公司 Closed type recycle washing device for pipeline of hydraulic system
CN105057291A (en) * 2015-07-17 2015-11-18 山推工程机械股份有限公司 Pipeline cleaning system
CN204974637U (en) * 2015-08-04 2016-01-20 郑州恒锦峰工贸有限公司 Hydraulic pipeline cleaning device
CN205236566U (en) * 2015-12-21 2016-05-18 双威液压工业(芜湖)有限公司 A belt cleaning device for hydraulic system pipe

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Address after: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi

Co-patentee after: China Academy of Launch Vehicle Technology

Patentee after: Shanxi spaceflight Qinghua Equipment Co., Ltd.

Address before: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi

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Patentee before: Qinghua Machinery Plant, Changzhi

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