CN203688210U - Valve service life testing system - Google Patents
Valve service life testing system Download PDFInfo
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- CN203688210U CN203688210U CN201320867960.9U CN201320867960U CN203688210U CN 203688210 U CN203688210 U CN 203688210U CN 201320867960 U CN201320867960 U CN 201320867960U CN 203688210 U CN203688210 U CN 203688210U
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 230000009467 reduction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- 230000002123 temporal effect Effects 0.000 description 1
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Abstract
The utility model relates to a valve service life testing system, which comprises an upper computer, a driving device, a lifting platform and a controller, wherein the upper computer is sued for setting the on-off times; the driving device comprises an output end used for driving a tested valve; the lifting platform is used for driving the driving device to reach a height adapt to the tested valve; and the controller is electrically connected with the upper computer and the driving device, and is used for controlling the times that the tested valve is tested by the driving device according to the on-off times. During the testing process, the upper computer sends the on-off times to the controller, thus the controller can control the driving device to perform on-off operation for the corresponding times on the tested valve according to the received on-off times, till the actual on-off number reaches the on-off times set by the upper computer. Therefore, the on-off process does not need to be interfered manually during the whole process, the testing efficiency is improved, the labor intensity is reduced, and the valve service life testing system has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to valve field tests, particularly relates to a kind of valve life testing system.
Background technology
Life of valve test is the method for research life of product feature, is one of most important project in fail-test.When test, imitate actual working conditions, product is placed under specific test condition, such as normal temperature, high temperature, low temperature etc., investigate its time dependent rule that lost efficacy, judge better the product length of service in actual applications.
Pressure test inspection when the processing dimension of parts, precision, smooth finish and complete machine valve dispatch from the factory when general valve dispatches from the factory can not be weighed the inherent quality problem of the valve products that dispatches from the factory completely, and when a deck valve door checks out while dispatching from the factory afterwards but uses to client, quality problems just likely appear in the short time.
Test by life of valve, valve products is placed under specific simulated condition condition and carries out on-off times cyclic test, can understand life characteristics, failure regularity, the mean lifetime of valve and the various failure modes that may occur in durability test process, if any valve under different temperatures, have leakage in various degree.In conjunction with failure analysis, can further understand and cause the failure mechanism that lost efficacy, as the rationality of the correctness of the quality of the sealing property of valve, processing, material adapted, project organization etc., be design, the important evidence of having improved production quality that improves valve.
In existing valve life testing, majority is to have circulated with hand switch, as it is excessive to run into valve aperture, and what be manually difficult to realize replaces with reducing motor.
Utility model content
The purpose of this utility model be to provide a kind of simple in structure, cost is low, can be suitable for valve life testing system different size valve height change, can Auto-counting.
For solving the problems of the technologies described above, as an aspect of the present utility model, provide a kind of valve life testing system, comprising: host computer, for configuration switch number of times; Drive unit, comprises the output terminal for driving tested valve; Hoistable platform, arrives the height adapting with tested valve for driver; Controller, is electrically connected with host computer and drive unit, for the testing time to tested valve according to on-off times accessory drive.
Further, valve life testing system also comprises: torque sensor, be electrically connected with host computer, and host computer generates moment of torsion/on-off times curve of tested valve according to the testing result of torque sensor.
Further, valve life testing system also comprises: frequency converter, be electrically connected with controller, and controller passes through opening speed or the closing velocity of the tested valve of Frequency Converter Control according to the size of the ratio of gear of drive unit.
Further, valve life testing system also comprises: temperature sensor, be electrically connected with host computer, and host computer generates temperature/on-off times curve of tested valve according to the testing result of temperature sensor.
Further, valve life testing system also comprises: pressure transducer, be electrically connected with host computer, and host computer generates pressure/on-off times curve of tested valve according to the testing result of pressure transducer.
Further, valve life testing system also comprises: the spacing detecting unit of valve, be electrically connected with controller, and for detecting that tested valve door switch sends the valve signal that puts in place while putting in place, the valve signal trigger controller accessory drive commutation that puts in place is rotated.
Further, valve life testing system also comprises: supercharging device, delivery outlet is connected with the input end of tested valve, for applying pressure medium to tested valve.
Further, drive unit is connected by universal joint with the output terminal of tested valve.
Further, hoistable platform comprises: hydraulic-driven portion, base, crane, work top and universal caster wheel, and crane is arranged on the top of base, and universal caster wheel is arranged on the below of base, work top is connected with the top of crane, and hydraulic-driven portion drives and is connected with crane.
Further, drive unit and host computer arrange discretely.
In test process, first to input switch number of times in host computer, i.e. the total degree of required switch is tested in this time.So on-off times is sent to controller by host computer.So the on-off times accessory drive that controller just can receive according to it carries out the switching manipulation of corresponding number of times to tested valve, until actual switch number has reached the on-off times that host computer is set.Like this, in whole process, do not need to carry out manually tamper switch process, improved testing efficiency, reduced labour intensity, there is feature simple in structure, cost is low.
Accompanying drawing explanation
Fig. 1 has schematically shown one-piece construction schematic diagram of the present utility model;
Fig. 2 has schematically shown the structural representation of hoistable platform;
Fig. 3 has schematically shown the structural representation of drive unit; And
Fig. 4 has schematically shown the structural representation of tested valve.
Reference numeral in figure: 1, host computer; 2, drive unit; 3, tested valve; 4, hoistable platform; 5, controller; 6, supercharging device; 7, hydraulic-driven portion; 8, base; 9, crane; 10, work top; 11, universal caster wheel; 12, torque sensor; 13, speed reduction unit; 14, motor; 15, blind plate; 16, pipeline.
Embodiment
Below embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Existing valve life testing too much depends on people's operation, inefficiency.In addition, valve life testing device of the prior art does not have versatility, not easy to operate in high and low temperature environment.Valve can not directly be added up on-off times in switch cyclic process, can not the torque value of real time record valve under different temperatures, different pressures.In the time that valve specification kind is different, simple reducing motor is difficult to all meet the operation of variety classes valve, needs indirect conversion, cost of idleness.Test result can not be preserved with document form, does not have intuitive.
Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of valve life testing system, comprising: host computer 1, for configuration switch number of times; Drive unit 2, comprises the output terminal for driving tested valve 3; Hoistable platform 4, arrives for driver 2 height adapting with tested valve 3; Controller 5, is electrically connected with host computer 1 and drive unit 2, for the testing time to tested valve 3 according to on-off times accessory drive 2.
In test process, first such as, to the middle input switch number of times of host computer (PC or industrial computer etc.), i.e. the total degree of required switch is tested in this time.For example, so on-off times is sent to controller (, single-chip microcomputer or PLC etc.) by host computer.So the on-off times accessory drive 2 that controller just can receive according to it carries out the switching manipulation of corresponding number of times to tested valve 3, until actual switch number has reached the on-off times that host computer is set.Like this, in whole process, do not need to carry out manually tamper switch process, improved testing efficiency, reduced labour intensity, there is feature simple in structure, cost is low.
In addition, the utility model also can pass through the control (for example, can be manually, can be also to control by controller) to hoistable platform, makes drive unit 2 automatic lifting, so as with the matched of the tested valve 3 of different size and model.Thereby, making the utlity model has good versatility, can be applied in the middle of the valve test of different size.
Preferably, valve life testing system also comprises: torque sensor 12, be electrically connected with host computer 1, and host computer 1 generates moment of torsion/on-off times curve of tested valve 3 according to the testing result of torque sensor 12.Torque sensor can record the moment of torsion in each switching process, like this, when host computer 1 obtains after these moments of torsion, the moment of torsion detecting just can be according to each switch time, generate the graph of relation between moment of torsion and on-off times, and offer tester, and have intuitively, feature easily, improve testing efficiency.
Preferably, valve life testing system also comprises: frequency converter, be electrically connected with controller 5, and controller 5 passes through opening speed or the closing velocity of the tested valve 3 of Frequency Converter Control according to the size of the ratio of gear of drive unit 2.By the control to frequency converter, can control easily the speed of tested valve 3 in opening and closing process.
Preferably, valve life testing system also comprises: temperature sensor, be electrically connected with host computer 1, and host computer 1 generates temperature/on-off times curve of tested valve 3 according to the testing result of temperature sensor.Current probe temperature can be detected by temperature sensor, and generate the relation curve between temperature and on-off times.
Preferably, valve life testing system also comprises: pressure transducer, be electrically connected with host computer 1, and host computer 1 generates pressure/on-off times curve of tested valve 3 according to the testing result of pressure transducer.Current test pressure can be detected by pressure transducer, and generate the relation curve between pressure and on-off times.
Preferably, valve life testing system also comprises: the spacing detecting unit of valve, be electrically connected with controller 5, and for detecting that tested valve 3 switches send the valve signal that puts in place while putting in place, valve signal trigger controller accessory drive 2 commutations that put in place are rotated.Whether for example, the spacing detecting unit of valve can be travel switch etc., like this, just can utilize the spacing detecting unit of valve to obtain valve and open or close and put in place.If open or close and put in place, controller can for example motor 14 of accessory drive 2() rotate backward, thus carry out contrary operation.
Preferably, valve life testing system also comprises: supercharging device 6, delivery outlet is connected with the input end of tested valve 3, for applying pressure medium to tested valve.Utilize supercharging device 6 in tested valve 3, to apply certain pressure.For example, please refer to Fig. 4, at the two ends of tested valve 3, a blind plate 15 can be installed respectively, it is for by the closed at both ends of tested valve 3, to exert pressure to tested valve 3.Wherein, on a blind plate 15, be provided with input port, it is connected with the output terminal of supercharging device 6 by pipeline 16, thereby, be not subject to the impact of tested valve location.
Supercharging device 6 comprises cylinder, tensimeter, digital display meter, circuit board, housing and pipeline etc. especially, and cylinder is driven by low-pressure compressed air, and tensimeter and the digital display meter pressure of display medium is at any time safe and reliable.
Preferably, drive unit 2 is connected by universal joint with the output terminal of tested valve 3.In one embodiment, please refer to Fig. 3, the utility model also comprises speed reduction unit 13, and motor 14 is connected with torque sensor 12 by speed reduction unit 13.The poor variation of the little height of tested valve and hoistable platform 4 has been avoided in the use of universal joint, has guaranteed the stationarity driving
Preferably, hoistable platform 4 comprises: hydraulic-driven portion 7, base 8, crane 9, work top 10 and universal caster wheel 11, crane is arranged on the top of base, universal caster wheel 11 is arranged on the below of base 8, work top 10 is connected with the top of crane 9, and hydraulic-driven portion 7 drives and is connected with crane 9.Hydraulic-driven portion 7 is by rising and the reduction of hydraulic oil control crane 9, and then the lifting action of drive work top 10, and the use of universal caster wheel 11 makes this hoistable platform 4 can move to optional position.
Preferably, drive unit 2 arranges discretely with host computer 1, like this, the two can independently move, be not subject to the restriction of tested valve location, particularly in the time that tested valve is in high temperature furnace or in cryostat,, can both well detect, can meet the test of valve diverse location life of valve under different temperatures.Further, under different temperatures, different pressures, be connected with host computer by drive unit, can the torque value of real time record valve under different temperatures, different pressures, for the type selecting of drive unit provides important evidence.
Especially, the controller in the utility model can adopt PLC controller, like this, can greatly simplify too complicated situation of on-off control system in the past.
For above-mentioned various shortcoming, the utility model object of this proving installation is to improve the efficiency of valve life testing, meets the requirement of different valve specifications by elevating mechanism, has versatility.Test result can show on computers in real time, comprises the moment of torsion of test, the on-off times temporal evolution curve of valve, and result is more than you know directly perceived.The positive and negative operation of PLC procedure auto-control drive unit, whenever valve to open or close position time, drive unit can carry out counter motion automatically, replace manual operation.On-off times control can self-defined setting in computer software, and in the time that on-off times reaches requirement, drive unit stops automatically.This proving installation is not subject to the restriction of valve location, has met the requirement that valve can be tested equally in high low temperature, and proving installation has dirigibility.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a valve life testing system, is characterized in that, comprising:
Host computer (1), for configuration switch number of times;
Drive unit (2), comprises the output terminal for driving tested valve (3);
Hoistable platform (4), for driving described drive unit (2) to arrive the height adapting with described tested valve (3);
Controller (5), is electrically connected with described host computer (1) and described drive unit (2), for according to the testing time of drive unit (2) to described tested valve (3) described in described on-off times control.
2. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
Torque sensor, is electrically connected with described host computer (1), and described host computer (1) generates moment of torsion/on-off times curve of described tested valve (3) according to the testing result of described torque sensor.
3. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
Frequency converter, is electrically connected with described controller (5), described controller (5) according to the size of the ratio of gear of described drive unit (2) by opening speed or the closing velocity of tested valve (3) described in described Frequency Converter Control.
4. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
Temperature sensor, is electrically connected with described host computer (1), and described host computer (1) generates temperature/on-off times curve of described tested valve (3) according to the testing result of described temperature sensor.
5. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
Pressure transducer, is electrically connected with described host computer (1), and described host computer (1) generates pressure/on-off times curve of described tested valve (3) according to the testing result of described pressure transducer.
6. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
The spacing detecting unit of valve, is electrically connected with described controller (5), and for detecting that described tested valve (3) switch sends the valve signal that puts in place while putting in place, the described valve signal that puts in place triggers drive unit (2) commutation described in described controller control and rotates.
7. valve life testing system according to claim 1, is characterized in that, described valve life testing system also comprises:
Supercharging device (6), delivery outlet is connected with the input end of described tested valve (3), for applying pressure medium to described tested valve.
8. valve life testing system according to claim 1, is characterized in that, described drive unit (2) is connected by universal joint with the output terminal of described tested valve (3).
9. valve life testing system according to claim 1, it is characterized in that, described hoistable platform (4) comprising: hydraulic-driven portion, base, crane, work top and universal caster wheel, described crane is arranged on the top of described base, described universal caster wheel is arranged on the below of described base, described work top is connected with the top of described crane, and described hydraulic-driven portion drives and is connected with described crane.
10. valve life testing system according to claim 1, is characterized in that, described drive unit (2) arranges discretely with described host computer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867960.9U CN203688210U (en) | 2013-12-26 | 2013-12-26 | Valve service life testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867960.9U CN203688210U (en) | 2013-12-26 | 2013-12-26 | Valve service life testing system |
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| Publication Number | Publication Date |
|---|---|
| CN203688210U true CN203688210U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867960.9U Expired - Lifetime CN203688210U (en) | 2013-12-26 | 2013-12-26 | Valve service life testing system |
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| Country | Link |
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| CN (1) | CN203688210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759927A (en) * | 2013-12-26 | 2014-04-30 | 方正阀门集团有限公司 | Test system for service life of valve |
| CN112985488A (en) * | 2021-02-23 | 2021-06-18 | 西安苏试广博环境可靠性实验室有限公司 | Temperature stress accelerated life test system and method for sensor |
-
2013
- 2013-12-26 CN CN201320867960.9U patent/CN203688210U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759927A (en) * | 2013-12-26 | 2014-04-30 | 方正阀门集团有限公司 | Test system for service life of valve |
| CN112985488A (en) * | 2021-02-23 | 2021-06-18 | 西安苏试广博环境可靠性实验室有限公司 | Temperature stress accelerated life test system and method for sensor |
| CN112985488B (en) * | 2021-02-23 | 2022-08-02 | 西安苏试广博环境可靠性实验室有限公司 | Temperature stress accelerated life test system and method for sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 no.1921 Binhai 1st Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Founder Valve Group Co.,Ltd. Address before: Yongjia oubeizhen Wenzhou County of Zhejiang province 325102 city and village Patentee before: FANGZHENG VALVE GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |