CN107642519A - A kind of portable multi-function hydraulic oil detection and maintained equipment - Google Patents
A kind of portable multi-function hydraulic oil detection and maintained equipment Download PDFInfo
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- CN107642519A CN107642519A CN201711083118.5A CN201711083118A CN107642519A CN 107642519 A CN107642519 A CN 107642519A CN 201711083118 A CN201711083118 A CN 201711083118A CN 107642519 A CN107642519 A CN 107642519A
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Abstract
A kind of portable multi-function hydraulic oil detection and maintained equipment, it includes Power Component A, medium pollution state-detection and dielectric clean component B and leak detection component C.Power Component A includes motor, hydraulic pump, check valve, pressure visual measuring device, shaft coupling, oil absorption filter, hydralic hose and hydraulic quick connector；Medium pollution state-detection and dielectric clean component B include volume control device, dustiness detection means, cleanliness of hydraulic oil device, hydralic hose and hydraulic quick connector；Leak detection component C includes flow measurement device, pressure maintenance device, hydralic hose and hydraulic quick connector.The equipment combines the cleaning function of the detection of pollution degree of hydraulic oil, the leak detection of hydraulic oil and hydraulic oil, with a tractor serves several purposes, can easily realize the detection and maintenance of hydraulic oil；Portable design is carried out simultaneously, small volume, is moved easily it, and can be moved freely on vacant lot, or even attendant can carry when going on business.
Description
Technical field
The present invention relates to a kind of detection of hydraulic oil and maintained equipment
Background technology
Hydraulic oil main function in hydraulic system is passing power, while also the motive position in hydraulic system is carried out
Lubrication and protection.The hydraulic control system of equipment is very accurate, and some hydraulic controls are realized by throttling pore, gap
Very little, very high are required to the cleannes of hydraulic oil.70% is due to caused by hydraulic system pollution in the failure of hydraulic system,
Wherein hydraulic system fault caused by solid grain contamination accounts for the 60%~70% of gross contamination failure.The failure of hydraulic system,
Economic loss even major accident will be caused, so how quickly to detect and control hydraulic oil particle in hydraulic system dirty
Dye is equipment maintenance maintenance urgent problem to be solved.
The leakage of hydraulic oil is frequent produced problem in hydraulic system, and leakage will have a strong impact on the quality of product.Example
Serious leak such as hydraulic cylinder will reduce its operating pressure, oil cylinder can not normal work even occur accident, while leak
The a large amount of wastes for also resulting in energy are produced, the hydraulic oil to leak will also result in the pollution of environment.So the leakage of hydraulic oil is asked
Topic is closely bound up with actual production.In a complicated hydraulic system, because its internal oil passages is complicated, Hydraulic Elements number is numerous
More, the leakage of hydraulic oil is difficult directly to be observed with human eye come so the test problems of hydraulic fluid leak are always hydraulic pressure reality
Insoluble problem in engineering.
The hydraulic oil particle degree detector of a few money simple functions commercially be present, off-line type granule detecting can be divided into
Instrument and online granule detecting instrument.Off-line type hydraulic oil particle degree detector needs that the hydraulic oil of pollution is sampled and operated
Difficulty is high, and this detector is complicated, and functional integration is not high and price is sufficiently expensive；It applies to higher-end businesses and led more
Cause it to be applied seldom in the bad environments such as mine, agricultural, the industrial trade of extensive management, but be exactly the industry of these bad environments
Industry, and inexpensive detection and purification quick and easy to hydraulic oil have urgent demand.Online granule detecting instrument
Compact, but integrated level is extremely low, it is necessary to the installation being separately designed, could in hydraulic system normal use, and
Its accuracy of detection is very low, can not meet testing requirements under many circumstances, so the occupation rate in market is relatively low.
, currently on the market also being capable of letting out hydraulic system exactly without a product when hydraulic system leaks
Leakage position detects with leakage rate, and more no product can be by the leak detection of hydraulic oil, dustiness detection and hydraulic oil
Cleaning function be ideally merged, be convenient for carrying and powerful, it is impossible to apply a line in oilhydraulic engineering well.
The content of the invention
The leak position of hydraulic system can be detected with leakage rate exactly it is an object of the invention to provide a kind of
Come, while the enough cleaning functions by the leak detection of hydraulic oil, dustiness detection and hydraulic oil of and can are ideally merged one
Rise and the portable multi-function hydraulic oil detection easy to carry of the line of oilhydraulic engineering one and maintained equipment can be used in.The equipment is by hydraulic pressure
The cleaning function of the detection of oily pollution degree, the leak detection of hydraulic oil and hydraulic oil is combined, can be with a tractor serves several purposes, easily
Realize the detection and maintenance of hydraulic oil in ground；The present invention fully reduces volume simultaneously, and carries out portable design, it is conveniently moved
It is dynamic, and can be moved freely on vacant lot, or even attendant can carry when going on business.
In order to achieve the above object, the technical solution used in the present invention is：
The invention mainly comprises：Power Component A, medium pollution state-detection and dielectric clean component B and leak detection group
Part C.Wherein Power Component A is used to provide power for this equipment and maintain the pressure stability of whole system, ensures the safety of device
Operation；Medium pollution state-detection and dielectric clean component B, for providing pollution degree of hydraulic oil detection function for filter,
Foundation is provided for the maintenance of hydraulic oil, the impurity etc. in hydraulic oil is removed, realizes the cleaning of hydraulic oil, make whole hydraulic system more
Add clean；Leak detection component C, test solution pressure system is connected on for outer, detection obtains leak position and leakage rate.
Described Power Component A mainly includes：Motor, hydraulic pump, check valve, pressure visual measuring device, shaft coupling
Device, oil absorption filter, hydralic hose and hydraulic quick connector.Wherein, motor is coupled by shaft coupling with hydraulic pump, hydraulic pump
Inlet port coupled by hydralic hose with the outlet of oil absorption filter, the import of oil absorption filter can be connected by hydralic hose
To examining system hydraulic oil container, the press oil port of hydraulic pump is connected by hydralic hose with the oil inlet of the first check valve, and this is unidirectional
The oil-out of valve is connected with the oil inlet of the second check valve, oil-out and the pressure visual measuring device of second check valve
Import and it is connected by hydralic hose with quick-release connector.Wherein the first check valve oil-out is connected with interface g.
Described medium pollution state-detection and dielectric clean component B mainly includes：Volume control device, dustiness detection
Device, cleanliness of hydraulic oil device, hydralic hose and hydraulic quick connector.Wherein, the volume control device in component, its oil inlet
It is connected by interface i with Power Component interface g, communicates volume control device and the oil-out of the first check valve, flow control
The oil-out of device is connected by sebific duct with the oil inlet of dustiness detection means, the oil-out of described dustiness detection means
It is connected all the way by hydralic hose with quick-release connector；Another way is in parallel with the outlet of cleanliness of hydraulic oil device to be accessed by interface j
Fuel tank, interface j are connected with interface k, and interface k is connected with leak detection component C interface m again, the import of cleanliness of hydraulic oil device 9
It is connected by hydralic hose with quick-release connector.
Described leak detection component C mainly includes：Flow measurement device, pressure maintenance device, hydralic hose and hydraulic pressure
Quick-release connector.Wherein, the oil inlet of flow measurement device is passed through by interface m connection fuel tanks, the oil-out of flow measurement device
Hydralic hose is connected with hydraulic quick connector；The oil inlet of pressure maintenance device is connected by interface l with Power Component A interfaces f,
And then communicated with the outlet of the second check valve, the oil-out of pressure maintenance device is joined by hydralic hose and hydraulic quick connector
Connect.
Described Power Component A, the detection of described dustiness and cleaning assemblies B, leak detection component C are integrated in portable
In formula casing, casing uses light-weight design, makes that in the case of its proof strength quality can be reduced to greatest extent；Increase simultaneously
Wheel, improve its flexibility and mobility.
The present invention has the following advantages that compared with prior art：
1st, during cleanliness of hydraulic oil of the invention, hydraulic pump can extract dirty hydraulic oil out from fuel tank, make hydraulic pressure
Oil passes through high-precision hydraulic oil cleaning device, remove the particulate matter in hydraulic oil, then be expelled back into fuel tank, through after a while
Circulation cleaning, it is possible to realize the cleaning of hydraulic oil, so as to which extend hydraulic oil renews the cycle, avoid Hydraulic Elements
Failure, the reliability of Hydraulic Elements is improved, reduce the efficiency for by the heating of cleaning hydraulic system, improving system, reduced economical
Loss, avoids the generation of accident；
2nd, pollution degree of hydraulic oil detection function of the invention, hydraulic oil is under the driving of hydraulic pump, with constant flow velocity stream
Through hydraulic oil particle degree detection components, the particle contamination degree can of subsequent hydraulic oil is come out by real-time display, and then to liquid
Force feed dustiness is accurately analyzed, and is avoided the false judgment that human eye observation brings, is reduced human cost, adding can
By property；
3rd, hydraulic fluid leak detection function of the invention may determine that certain hydraulic system whether leak and leak position with
The size of leakage rate, people can be helped rapidly to judge failure existing for hydraulic system, improve operating efficiency, quantify failure letter
Breath；
4th, the present invention possesses the function selection design of original creation, and hydraulic quick coupling is exposed, similar in teaching experimental base
Electric socket, when needing to use different functions, corresponding interface is connected using supporting standby sebific duct 12, operate
It is very convenient；And user can also according to the connected mode of the free schedule system of requirement of oneself, add use from
By spending, the multi-functional theory of the equipment is truly realized；Cumbersome exchange system has been abandoned, whole system is more simplified, has
Effect reduces the volume and weight of equipment, while reduces the manufacturing cost of equipment；
5th, component selected by the present invention is cheap and reliability is high, substantially reduces cost and the detection of detection device
The maintenance cost of equipment；
6th, the present invention uses modular design, and installation is very easy with changing, and has in outside simple and crude and rugged environment
Excellent installation and maintenance performance, while equipment will effectively can be vibrated to inside during the movement of rough road
The influence of element is preferably minimized；
7th, the present invention has carried out packaging and mobile design, has very big flexibility, it might even be possible to adapt to taking for long-distance travel
Band.
Brief description of the drawings
Fig. 1 is each component annexation simplified schematic diagram of use state of the present invention；
Fig. 2 is Power Component A annexation simplified schematic diagrams of the present invention；
Fig. 3 is the detection of present media pollutional condition and dielectric clean component B annexation simplified schematic diagrams；
Fig. 4 is leak detection component C annexation simplified schematic diagrams of the present invention；
Fig. 5 is each component annexation simplified schematic diagram when pollution degree of hydraulic oil of the present invention detects；
Fig. 6 each component annexation simplified schematic diagrams when being cleanliness of hydraulic oil of the present invention；
Fig. 7 is each component annexation simplified schematic diagram when hydraulic fluid leak of the present invention detects；
Fig. 8 is that case lid of the embodiment of the present invention opens vertical view simplified schematic diagram；
Fig. 9 is the side view simplified schematic diagram of the embodiment of the present invention.
In figure：1st, motor；2nd, hydraulic pump；3-1, the first check valve；3-2, the second check valve；4th, volume control device；
5th, dustiness detection means；6th, flow measurement device；7th, pressure maintenance device；8th, device for pressure measurement；9th, cleanliness of hydraulic oil fills
Put；10th, shaft joint；11st, oil absorption filter；12 (1-9), hydralic hose；13 (1-5), snap joint；14th, casing.
Embodiment
In simplified schematic diagram of a kind of portable multi-function hydraulic oil detection with maintained equipment embodiment shown in Fig. 1, this
Invention mainly includes：Power Component A, medium pollution state-detection and dielectric clean component B and leak detection component C.Wherein, move
For power component A as shown in Fig. 2 motor 1 is coupled by shaft coupling 10 with hydraulic pump 2, the inlet port of hydraulic pump 2 passes through hydralic hose
12.1 couple with the outlet of oil absorption filter 11, and the import of oil absorption filter 11 may be connected to examining system liquid by hydralic hose
Case is pressed oil, the press oil port of hydraulic pump 2 is connected by hydralic hose 12.2 with the first check valve 3-1 oil inlet, check valve 3-1
Oil-out be connected with the second check valve 3-2 oil inlet, second check valve 3-2 oil-out fills with pressure visualization measurement
Put 8 import and be connected by hydralic hose 12.3 with quick-release connector 13.1.Wherein the first check valve oil-out and interface g phases
Even.
Described medium pollution state-detection and dielectric clean component B as shown in figure 3, volume control device 4 in component,
Its oil inlet is connected by interface i with Power Component interface g, communicates volume control device 4 and the oil-out of check valve 3.1,
The oil-out of volume control device 4 is connected by sebific duct 12.4 with the oil inlet of dustiness detection means 5, the inspection of described dustiness
The oil-out for surveying device 5 is connected by hydralic hose 12.7 with quick-release connector 13.5 all the way；Another way and cleanliness of hydraulic oil device 9
Outlet parallel connection fuel tank is accessed by interface j, interface j is connected with interface k, interface k and with leak detection component C interface m phases
Even, the import of cleanliness of hydraulic oil device 9 is connected by hydralic hose 12.5 with quick-release connector 13.3.
Described leak detection component C as shown in figure 4, the oil inlet of flow measurement device 6 by interface m connection fuel tanks,
The oil-out of flow measurement device 6 is connected by hydralic hose 12.9 with hydraulic quick connector 13.4；Pressure maintenance device 7 is entered
Hydraulic fluid port is connected by interface l with Power Component A interfaces f, and then is communicated with the outlet of check valve 3.2, and pressure maintenance device 7 goes out
Hydraulic fluid port is coupled by hydralic hose 12.8 with hydraulic quick connector 13.2.
Described Power Component A, the detection of described dustiness and cleaning assemblies B, leak detection component C are integrated in portable
In formula casing 14, as shown in Figure 8 and Figure 9.
The operating method of the present invention is as follows：
1st, when selecting pollution degree of hydraulic oil detection function：
The first step：With a redundant hydraulic sebific duct 12 by a kind of portable multi-function hydraulic oil detection with maintained equipment (with
Lower abbreviation equipment) snap joint b connected with snap joint e, as shown in figure 5, formed pollution degree of hydraulic oil measure loop；
Second step：It will insert respectively with the component A interfaces h fuel sucking pipes being connected and with the component B interface j oil return pipes being connected respectively
Enter the inlet port and oil return opening to test tank；
3rd step：Confirm volume control device 4 in off position and pressure maintenance device 7 fully opens, prevent from starting shooting
When instantaneously caused big flow dustiness detection means 5 is damaged, it is ensured that the normal operation of equipment and the use of extension device
Life-span；
4th step：After the normal power supply of motor 1, start the equipment, now motor 1 starts running, and passes through shaft coupling 10
Drive hydraulic pump 2 to extract the hydraulic oil in fuel tank out, now observe pressure visual measuring device 8 while adjusting pressure dimension
Device 7 is held to specified value, then adjusts volume control device 4 to regulation scale.Most of hydraulic oil maintains to fill by pressure
Put 7 and flow back to fuel tank, small part hydraulic oil flows through dustiness detection means 5, and dustiness detection means 5 can be by the pollution of hydraulic oil
Degree is calculated and read out, as the foundation for judging hydraulic oil pollution grade；
5th step：After pollution degree of hydraulic oil detects, completely closed by power-off, and by volume control device 4,
Pressure maintenance device 7 fully opens, and removes external hydraulic sebific duct, and portable multifunctional hydraulic oil is detected and maintained equipment
Fuel sucking pipe and oil return pipe taken out from fuel tank, be all put into equipment box and finally close case lid.
2nd, when selecting cleanliness of hydraulic oil function：
The first step：The snap joint a of equipment is connected with snap joint c with a redundant hydraulic sebific duct 12, such as Fig. 6 institutes
Show, form cleanliness of hydraulic oil loop；
Second step：It will insert respectively with the component A interfaces h fuel sucking pipes being connected and with the component B interface j oil return pipes being connected respectively
Enter the inlet port and oil return opening to test tank；
3rd step：Confirm volume control device 4 in off position and pressure maintenance device 7 fully opens, prevent from starting shooting
When instantaneously caused big flow dustiness detection means 5 is damaged, it is ensured that the normal operation of equipment and the use of extension device
Life-span；
4th step：After the normal power supply of motor 1, start the equipment, now motor 1 starts running, and passes through shaft coupling 10
Hydraulic pump 2 is driven to extract the hydraulic oil in fuel tank out, after contaminated dirty liquid force feed flows through cleanliness of hydraulic oil device 9, in oil
The pollutants such as metallic particles are adsorbed with isolating, and hydraulic oil gradually becomes clean after the multiple circulation by hydraulic oil, finally
Reach after cleaning requires and terminate；
5th step：After cleanliness of hydraulic oil finishes, completely closed by power-off, and by volume control device 4, pressure
Maintain device 7 to fully open, remove external hydraulic sebific duct, and portable multifunctional hydraulic oil is detected into the suction with maintained equipment
Oil pipe and oil return pipe take out from fuel tank, are all put into equipment box and finally close case lid.
3rd, when selecting hydraulic fluid leak detection function：
The first step：The snap joint b of equipment is connected with snap joint d with a redundant hydraulic sebific duct 12, such as Fig. 7 institutes
Show, form hydraulic fluid leak measure loop；
Second step：The snap joint a of equipment and snap joint e be external to respectively with a redundant hydraulic sebific duct 12 to be measured
Hydraulic system D inlet and outlet；
3rd step：Confirm volume control device 4 in off position and pressure maintenance device 7 fully opens, prevent from starting shooting
When instantaneously caused big flow dustiness detection means 5 is damaged, it is ensured that the normal operation of equipment and the use of extension device
Life-span；
4th step：After the normal power supply of motor 1, start the equipment, now motor 1 starts running, and passes through the band of shaft coupling 10
Hydrodynamic press pump 2 extracts the hydraulic oil in fuel tank out, now observes pressure visual measuring device 8 while adjusting pressure maintenance
Device 7 is to specified value, if leakage is not present in external hydraulic system, hydraulic oil will all flow through pressure maintenance device 7
With flow measurement device 6.The numerical value flow of flow measurement device 6 is then equal to the output flow of hydraulic pump 2；If outer welding system is deposited
Leaking, then for the flow part that hydraulic pump 2 exports from system leak oil return box, a part flows through pressure maintenance device 7 and stream
Measuring device 6, the numerical value flow of flow measurement device 6 are then less than the output flow of hydraulic pump 2.Therefore with flow measurement device 6
Numerical value be according to judging whether external hydraulic system leaks, and by calculating the numerical value of flow measurement device 6 and hydraulic pressure
The difference of the output flow of pump 2 draws the specific leakage flow of external hydraulic system；
5th step：After hydraulic system leakage detection finishes, closed completely by power-off, and by volume control device 4
Close, pressure maintenance device 7 fully opens, and removes outer liquid pressure pipe, and portable multifunctional hydraulic oil is detected and set with maintenance
Standby a mouths and e mouths separates with external hydraulic system, and all parts are put into equipment box after arranging finally closes case lid.
Claims (2)
1. a kind of portable multi-function hydraulic oil detection and maintained equipment, it is characterised in that：Including Power Component A, medium pollution
State-detection and dielectric clean component B and leak detection component C, described Power Component A motor pass through shaft coupling and liquid
Press pump couples, and the inlet port of hydraulic pump is coupled by hydralic hose with the outlet of oil absorption filter, and the import of oil absorption filter is led to
Cross hydralic hose and may be connected to examining system hydraulic oil container, the press oil port of hydraulic pump is entered by hydralic hose and the first check valve
Hydraulic fluid port is connected, and the oil-out of the check valve is connected with the oil inlet of the second check valve, the oil-out and pressure of second check valve
The import of visual measuring device and it is connected by hydralic hose with quick-release connector, wherein the first check valve oil-out and interface g
It is connected；
Described medium pollution state-detection and dielectric clean component B volume control device, its oil inlet is by interface i with moving
Power component interface g is connected, and oil-out of the volume control device then with the first check valve communicates, and the oil-out of volume control device leads to
The oil inlet that sebific duct is crossed with dustiness detection means is connected, and the oil-out of described dustiness detection means passes through hydraulic pressure glue all the way
Pipe is connected with quick-release connector；Another way it is in parallel with the outlet of cleanliness of hydraulic oil device by interface j access fuel tank, interface j with
Interface k is connected, and interface k is connected with leak detection component C interface m again, and the oil inlet of cleanliness of hydraulic oil device passes through hydralic hose
It is connected with quick-release connector；
The oil inlet of described leak detection component C flow measurement device by interface m connection fuel tanks, flow measurement device
Oil-out is connected by hydralic hose with hydraulic quick connector；The oil inlet of pressure maintenance device passes through interface l and Power Component A
Interface f is connected, and then is communicated with the outlet of the second check valve, and the oil-out of pressure maintenance device is fast with hydraulic pressure by hydralic hose
Changing-over head couples.
2. portable multi-function hydraulic oil detection according to claim 1 and maintained equipment, it is characterised in that：Power Component
A, medium pollution state-detection and dielectric clean component B and leak detection component C are integrated in portable casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083118.5A CN107642519B (en) | 2017-11-07 | 2017-11-07 | A kind of detection of portable multi-function hydraulic oil and to maintain equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083118.5A CN107642519B (en) | 2017-11-07 | 2017-11-07 | A kind of detection of portable multi-function hydraulic oil and to maintain equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107642519A true CN107642519A (en) | 2018-01-30 |
| CN107642519B CN107642519B (en) | 2019-04-09 |
Family
ID=61126018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083118.5A Active CN107642519B (en) | 2017-11-07 | 2017-11-07 | A kind of detection of portable multi-function hydraulic oil and to maintain equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107642519B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518388A (en) * | 2018-03-05 | 2018-09-11 | 杭州电子科技大学 | A kind of multifunction hydraulic cleaning filtering vehicle |
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004015491U1 (en) * | 2004-01-29 | 2004-12-16 | Hydac Filtertechnik Gmbh | Measurement of the level of dirtiness of a filter in a fluid, especially hydraulic fluid, circuit, whereby filtered and unfiltered fluid are connected to a differential pressure transducer that is linked to evaluation electronics |
| CN101033762A (en) * | 2006-03-07 | 2007-09-12 | 迪尔公司 | Filter circuit for a vehicle hydraulic system |
| GB2439444A (en) * | 2006-06-23 | 2007-12-27 | Deere & Co | Hydraulic system with bypass for conditioning fluid |
| CN201016837Y (en) * | 2007-02-27 | 2008-02-06 | 张玲剑 | Direction machine inner leakage detecting arrangement for automobile hydraulic direction machine detecting bench |
| CN201096704Y (en) * | 2007-10-30 | 2008-08-06 | 上海宝钢设备检修有限公司 | Vehicular liquid pressure oil metal particle sensing device |
| CN102108995A (en) * | 2009-12-28 | 2011-06-29 | 河南省电力公司商丘供电公司 | Portable hydraulic oil filter |
| CN102470295A (en) * | 2009-07-10 | 2012-05-23 | Hydac过滤技术有限公司 | Filter device |
| CN202370948U (en) * | 2011-12-22 | 2012-08-08 | 中国人民解放军63908部队 | Movable type hydraulic system pipeline cleaning device |
| CN105697459A (en) * | 2016-04-12 | 2016-06-22 | 燕山大学 | Hydraulic state detection and maintenance vehicle |
-
2017
- 2017-11-07 CN CN201711083118.5A patent/CN107642519B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004015491U1 (en) * | 2004-01-29 | 2004-12-16 | Hydac Filtertechnik Gmbh | Measurement of the level of dirtiness of a filter in a fluid, especially hydraulic fluid, circuit, whereby filtered and unfiltered fluid are connected to a differential pressure transducer that is linked to evaluation electronics |
| CN101033762A (en) * | 2006-03-07 | 2007-09-12 | 迪尔公司 | Filter circuit for a vehicle hydraulic system |
| GB2439444A (en) * | 2006-06-23 | 2007-12-27 | Deere & Co | Hydraulic system with bypass for conditioning fluid |
| CN201016837Y (en) * | 2007-02-27 | 2008-02-06 | 张玲剑 | Direction machine inner leakage detecting arrangement for automobile hydraulic direction machine detecting bench |
| CN201096704Y (en) * | 2007-10-30 | 2008-08-06 | 上海宝钢设备检修有限公司 | Vehicular liquid pressure oil metal particle sensing device |
| CN102470295A (en) * | 2009-07-10 | 2012-05-23 | Hydac过滤技术有限公司 | Filter device |
| CN102108995A (en) * | 2009-12-28 | 2011-06-29 | 河南省电力公司商丘供电公司 | Portable hydraulic oil filter |
| CN202370948U (en) * | 2011-12-22 | 2012-08-08 | 中国人民解放军63908部队 | Movable type hydraulic system pipeline cleaning device |
| CN105697459A (en) * | 2016-04-12 | 2016-06-22 | 燕山大学 | Hydraulic state detection and maintenance vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518388A (en) * | 2018-03-05 | 2018-09-11 | 杭州电子科技大学 | A kind of multifunction hydraulic cleaning filtering vehicle |
| CN108518388B (en) * | 2018-03-05 | 2019-11-05 | 杭州电子科技大学 | A kind of multifunction hydraulic cleaning filtering vehicle |
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107642519B (en) | 2019-04-09 |
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Effective date of registration: 20211210 Address after: 066000 floor 4, building 43, Shugu Xiangyuan, economic and Technological Development Zone, Qinhuangdao City, Hebei Province Patentee after: Qinhuangdao Nico Environmental Technology Co.,Ltd. Address before: 066004 No. 438 west section of Hebei Avenue, seaport District, Hebei, Qinhuangdao Patentee before: Yanshan University |
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Effective date of registration: 20230413 Address after: 101100 101, Floor 2, Building 35, No. 16, Huanke Middle Road, Tongzhou District, Beijing Patentee after: Nico Holdings (Beijing) Co.,Ltd. Address before: 066000 floor 4, building 43, Shugu Xiangyuan, economic and Technological Development Zone, Qinhuangdao City, Hebei Province Patentee before: Qinhuangdao Nico Environmental Technology Co.,Ltd. |
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