CN201100852Y - A portable hydraulic failure diagnosis instrument - Google Patents
A portable hydraulic failure diagnosis instrument Download PDFInfo
- Publication number
- CN201100852Y CN201100852Y CNU2007201018614U CN200720101861U CN201100852Y CN 201100852 Y CN201100852 Y CN 201100852Y CN U2007201018614 U CNU2007201018614 U CN U2007201018614U CN 200720101861 U CN200720101861 U CN 200720101861U CN 201100852 Y CN201100852 Y CN 201100852Y
- Authority
- CN
- China
- Prior art keywords
- flexible pipe
- failure diagnosis
- fluid
- flowmeter
- pressure failure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003745 diagnosis Methods 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005296 abrasive Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003449 preventive Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Abstract
The utility model relates to the technical field of fluid-pressure failure diagnosis, which particularly relates to a portable fluid-pressure failure diagnosis device. The most of the traditional fluid-pressure failure diagnosis devices need expensive detecting equipment, complex sensing control systems and computer handling systems, the methods are difficult to implement, and are not suitable for popularizing and utilizing. The fluid-pressure failure diagnosis comprises a heat indicator, a manometer, a flowmeter, an overflow valve, a flexible pipe and a filter, the upper portion of the utility model is provided with the flexible pipe for connecting a detecting measured hole, the lower end of the flexible pipe is connected with the flowmeter, a steel pipe which is connected with the flowmeter is equipped with a the manometer and the heat indicator, the lower end of the steep pipe is connected with the overflow valve, and the overflow valve is also connected with another flexible pipe, and the lower end of the flexible pipe is connected with the filter. The fluid-pressure failure diagnosis is suitable for detecting systems without disassembling, which directly and rapidly detect various parameters of points which are needed by hydraulic systems.
Description
Technical field
The utility model relates to hydraulic fault diagnostic techniques field, a kind of specifically portable hydraulic failure diagnostic apparatus.
Background technology
In recent years, along with hydraulic system to maximize, produce continuously, controlling party multiple hydraulic fault diagnostic method occurred to development automatically.As iron spectrum diagnosis, situations such as the quantity of the various abrasive particles that can separate from fluid, shape, size, composition and the regularity of distribution are judged the abrading section, form, degree of element in the system etc. in time, exactly.And can carry out quantitative test and evaluation to hydraulic oil, accomplish online detection and trouble-saving.For another example based on the expert diagnostic system of artificial intelligence, the method that it has the experience expert to deal with problems by the computing machine imitation in a certain field, phenomenon of the failure is imported computing machine by man-machine interface, computing machine is according to the phenomenon of input and the knowledge in the knowledge base, can extrapolate the reason that causes fault, export this reason by man-machine interface then, and propose maintenance program or preventive measure.These methods bring wide prospect for the hydraulic system fault diagnosis, lay a good foundation for the robotization of hydraulic system fault diagnosis.But these methods mostly need expensive detection equipment and complicated sensing and controlling system and computer processing system, and some method has implemented certain difficulty.Promote the use of at the scene that do not fit at present.
Summary of the invention
The purpose of this utility model provides a kind of portable hydraulic failure diagnostic apparatus, this instrument utilization parameter measurement method principle, and reliable operation, with low cost, easy and simple to handle, be convenient to on-the-spot the popularization.
The technical solution of the utility model is that the portable hydraulic failure diagnostic apparatus is by thermometer, tensimeter, flowmeter, surplus valve, flexible pipe, filtrator is formed, and top has a joint detection to survey the flexible pipe of mouth, the connection traffic meter import of flexible pipe lower end and also is equipped with tensimeter, thermometer on the steel pipe that flowmeter outlet links to each other; The lower end of steel pipe is connected with surplus valve, and surplus valve links to each other with another root flexible pipe again, and the flexible pipe lower end is connected with filtrator.
This diagnostic equipment is mainly used in does not dismantle detection to system, various parameters to the required point of hydraulic system are carried out direct fast detecting, do not need any sensor, it is pressure, flow and three parameters of temperature in the detection system simultaneously, and the speed of actuator and rotating speed then can calculate by the method for measuring rate of discharge.
The utility model has the advantages that:
(1) can directly measure and intuitively show liquid stream flow, pressure and temperature, measure simply that error is little.The utility model portable hydraulic failure diagnostic apparatus can also be measured pump, motor rotary speed indirectly.
(2) can utilize surplus valve that tested part in the system is carried out simulation loading, easy to adjust, accurate; Be to guarantee institute's measurement of discharge accuracy, can be from the thermometer Direct observation test temperature difference (should less than ± 3 ℃).
(3) be adapted to any hydraulic system, and some systematic parameter can realize the detection of not stopping.
(4) structure is light simple, and reliable operation is with low cost, easy and simple to handle.
Figure of description
Fig. 1 is a kind of loop synoptic diagram for fault diagnosis detects
Fig. 2 detects the loop synoptic diagram for another
Fig. 3 is a hydraulic system parameters measurement point synoptic diagram
Fig. 4 is structural representation of the utility model diagnostic equipment and the working state figure when being connected with system
Embodiment
Among the figure on 1,2 system pipelines by ball valve, 3,8 flexible pipes, 4 tensimeters, 5 flowmeters, 6 thermometers, 7 surplus valves, 9 filtrators, 10 steel pipes, 11 hydraulic pumps, 12 control sections, 13 actuators.
The position that in Fig. 3, shows each measuring point of this utility model in hydraulic system.
At Fig. 4 as can be known, diagnostic equipment is by thermometer, tensimeter, flowmeter, surplus valve, flexible pipe, filtrator is formed, the flexible pipe (3) that top has joint detection to survey mouthful, flexible pipe lower end connection traffic meter (5) import and also is equipped with tensimeter (4), thermometer (6) on the steel pipe that the flowmeter outlet links to each other; The lower end of steel pipe (10) is connected with surplus valve (7), and surplus valve (7) links to each other with another root flexible pipe (8) again, and flexible pipe (8) lower end is connected with filtrator (9), and filtrator is connected with fuel tank.
Its system architecture principle is as figure I, shown in Figure 2, detecting loop and detected system is connected in parallel, this connect to need to be provided with in the measured point as figure I, two ball valve three-way connections shown in Figure 2, it is mainly used in does not dismantle detection to system, various parameters to the required point of hydraulic system are carried out direct fast detecting, do not need any sensor, it is pressure, flow and three parameters of temperature in the detection system simultaneously, and the speed of actuator and rotating speed then can calculate by the method for measuring rate of discharge.For example: as long as two ball valve threeways are installed at pump discharge and actuator import and export, as shown in Figure 3, then, then can diagnose the roughly position (pumping source, control running part or actuator part) at the place of being out of order at once by pressure, flow and the temperature value of 1,2,3 three of measurements.Increase the parameter detecting point, then can dwindle the detection failure generation area.
The method that utilization the utility model portable hydraulic failure diagnostic apparatus carries out parameter measurement:
The 1st step: measuring pressure---shown in figure I, at first Jiang diagnostic equipment hose adapter screws connection with two ball valve threeway hickeys.Open ball valve 2, close dead surplus valve 7, cut off drainback passage, at this moment the force value (for the awp of system) that can directly read institute's measuring point from the tensimeter 4.
The 2nd step: measurement of discharge and temperature---surplus valve 7 handles that come up, close ball valve 1 again, readjust surplus valve 7, making tensimeter 4 readings is first step institute measuring pressure value, this moment, flowmeter 5 readings were the actual flow value of institute's measuring point.Can demonstrate the oil liquid temperature value on the simultaneous temperature meter 6.
The 3rd step: survey rotating speed (speed) no matter---its rotating speed of pump, motor or cylinder or speed public affairs depend on two factors, it is the physical dimension (discharge capacity or area) of flow and itself, as long as, promptly obtain rotating speed or velocity amplitude divided by its discharge capacity or area so measure the delivery rate (is input flow rate to pump) of motor or cylinder.
Utilization the utility model portable hydraulic failure diagnostic apparatus carries out parameter measurement to each check point of hydraulic system, as long as record place, required arbitrfary point running parameter in the hydraulic circuit, it is compared with the normal value of system works, whether can judge system operational parameters normal, whether the position, place of fault and fault has taken place, combine with analysis, improved the rapidity and the accuracy of fault diagnosis greatly.Through recording the accurate parameter of system in several seconds to tens seconds, obtain diagnostic result.It is over half that the more traditional fault diagnosis method of this method reduces workload.
Claims (1)
1. portable hydraulic failure diagnostic apparatus, it is characterized in that diagnostic equipment is by thermometer, tensimeter, flowmeter, surplus valve, flexible pipe, filtrator is formed, the flexible pipe (3) that top has joint detection to survey mouthful, flexible pipe lower end connection traffic meter (5) import and also is equipped with tensimeter (4), thermometer (6) on the steel pipe that the flowmeter outlet links to each other; The lower end of steel pipe (10) is connected with surplus valve (7), and surplus valve (7) links to each other with another root flexible pipe (8) again, and flexible pipe (8) lower end is connected with filtrator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201018614U CN201100852Y (en) | 2007-06-30 | 2007-06-30 | A portable hydraulic failure diagnosis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201018614U CN201100852Y (en) | 2007-06-30 | 2007-06-30 | A portable hydraulic failure diagnosis instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100852Y true CN201100852Y (en) | 2008-08-13 |
Family
ID=39937388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201018614U Expired - Fee Related CN201100852Y (en) | 2007-06-30 | 2007-06-30 | A portable hydraulic failure diagnosis instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100852Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384817A (en) * | 2011-11-29 | 2012-03-21 | 上海汇益控制系统股份有限公司 | Batch detecting system for hydraulic measuring devices |
| CN102606559A (en) * | 2012-02-22 | 2012-07-25 | 安徽金达利液压有限公司 | Hydraulic fault detector |
| CN103364028A (en) * | 2012-03-29 | 2013-10-23 | 北汽福田汽车股份有限公司 | A data acquiring system used for the hydraulic lifting of a dump truck |
| CN109882396A (en) * | 2019-01-23 | 2019-06-14 | 武汉船用机械有限责任公司 | Rotating speed measurement method, measuring device and the hydraulic control system of hydraulic immersed pump |
-
2007
- 2007-06-30 CN CNU2007201018614U patent/CN201100852Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384817A (en) * | 2011-11-29 | 2012-03-21 | 上海汇益控制系统股份有限公司 | Batch detecting system for hydraulic measuring devices |
| CN102384817B (en) * | 2011-11-29 | 2015-09-09 | 上海汇益控制系统股份有限公司 | A kind of batch inspection system of hydraulic measurement instrument |
| CN102606559A (en) * | 2012-02-22 | 2012-07-25 | 安徽金达利液压有限公司 | Hydraulic fault detector |
| CN102606559B (en) * | 2012-02-22 | 2016-01-20 | 安徽金达利液压有限公司 | Hydraulic fault detecting instrument |
| CN103364028A (en) * | 2012-03-29 | 2013-10-23 | 北汽福田汽车股份有限公司 | A data acquiring system used for the hydraulic lifting of a dump truck |
| CN109882396A (en) * | 2019-01-23 | 2019-06-14 | 武汉船用机械有限责任公司 | Rotating speed measurement method, measuring device and the hydraulic control system of hydraulic immersed pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20110630 |