CN108717016A - A kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct - Google Patents
A kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct Download PDFInfo
- Publication number
- CN108717016A CN108717016A CN201810684742.9A CN201810684742A CN108717016A CN 108717016 A CN108717016 A CN 108717016A CN 201810684742 A CN201810684742 A CN 201810684742A CN 108717016 A CN108717016 A CN 108717016A
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- China
- Prior art keywords
- valve
- shut
- sebific duct
- branch
- test
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
The invention discloses a kind of sebific duct fatigue Auto-Test Systems for capableing of automatic shield failure sebific duct, it includes booster, main road shut-off valve, multiple first branch shut-off valves and the second branch shut-off valve, pressure sensor, off-load air bleeding valve and controller, the import of the outlet connection main road shut-off valve of booster, the outlet of main road shut-off valve is separately connected the import of the first branch shut-off valve, the outlet of second branch shut-off valve is respectively connected to off-load air bleeding valve, connection rubber tube between the outlet of the first branch shut-off valve and the import of the second branch shut-off valve；Pressure sensor acquires the pressure data in the exit of main road shut-off valve in real time；Controller starts booster when testing beginning, closes off-load air bleeding valve, and open main road shut-off valve, the first branch shut-off valve and the second branch shut-off valve；When there is sebific duct to leak, the branch shut-off valve at the sebific duct both ends leaked is closed.The present invention can shield the sebific duct leaked during the test, remaining sebific duct is not interfered to continue to test.
Description
Technical field
The present invention relates to technical field of measurement and test, especially a kind of sebific duct fatigue for capableing of automatic shield failure sebific duct is automatic to be surveyed
Test system.
Background technology
With the rapid development of hydraulic technique, people are higher and higher to the quality requirement of rubber and plastic high pressure hose, and one
The method (such as hydrostatic seal, burst strength) of a little conventional detection sebific duct quality cannot comprehensively reflect the quality of high-pressure hose
It is horizontal.《ISO6605 hydraulic hoses and hose assembly test method》With《GB7939-92 hydraulic hose assembly test methods》It is required that
Progress fatigue life examination of the hydraulic hose assembly under pulse effect.Test requirements document is between 0.5Hz~1.25Hz
Frequency applies 93 ± 3 DEG C of pulses of oil temperature into hose, and trough pressure is 0~1000kPa, and rate of pressure rise should be
Between 100Mpa/s~350Mpa/s, wave crest pressure is test pressure ± 5%.
Presently used impulse test system generally use booster applies a pulse to sebific duct inside, and frequency exists
Between 0.5Hz~1.25Hz, testing time, in order to make test efficiently carry out, needs to test simultaneously from tens of thousands of times to hundreds of thousands
2-8 root sebific ducts.Since the testing time needs to take several days even several weeks, existing impulse test system, which is all made of, automates nobody
Test on duty.During the test, can be by carrying out leak detection to sebific duct, after detecting sebific duct leakage, system can be certainly
It is dynamic to shut down, it avoids causing the suitable bad of equipment and ensures the accurate of test data.
However, existing system has two：First, being uncertain and unmanned since leakage occurs for sebific duct
It is on duty, sometimes test just start just there is sebific duct to leak, system thus autostop, to seriously affected test imitate
Rate；Second is that after having sebific duct to leak, system cannot judge which root sebific duct there is a problem, can only manually judge and do to remember
It records, continues to test after artificial treatment, operation is extremely inconvenient.
Invention content
The goal of the invention of the present invention is：In view of the above problems, providing one kind being capable of automatic shield failure sebific duct
Sebific duct fatigue Auto-Test System, the sebific duct leaked can be shielded during the test, do not interfere remaining sebific duct continue
Test.
In order to solve the above technical problems, one aspect of the present invention is：There is provided one kind being capable of automatic shield mistake
Imitate the sebific duct fatigue Auto-Test System of sebific duct, including booster, main road shut-off valve, the first branch cut-off valve group, the second branch
End valve group, pressure sensor, off-load air bleeding valve and controller, the first branch cut-off valve group includes that multiple first branches are cut
Only valve, the second branch cut-off valve group includes quantity multiple second branch shut-off valves identical with the first branch shut-off valve, institute
The import of the outlet connection main road shut-off valve of booster is stated, the outlet of the main road shut-off valve is separately connected multiple first branches and cuts
The outlet of the only import of valve, multiple second branch shut-off valves is respectively connected to off-load air bleeding valve, each first branch
Connection rubber tube between the outlet of shut-off valve and the import of the second branch shut-off valve, the booster, main road shut-off valve, first point
Road shut-off valve, the second branch shut-off valve and pressure sensor are connect with controller signals；The pressure sensor is for real
When acquisition main road shut-off valve exit pressure data, and the pressure data is sent to controller；The controller is used
In starting booster testing the when of starting, close off-load air bleeding valve, and open main road shut-off valve, all first branch shut-off valves and
Second branch shut-off valve；Sebific duct is judged whether there is according to the pressure data to leak, and having sebific duct during the test
When leaking, pause test carries out leak detection to each sebific duct successively according to predetermined order, records the glue leaked
The test data of pipe, while the first branch shut-off valve at the sebific duct both ends leaked and the second branch shut-off valve being closed, it is right
Remaining sebific duct continues to test, until last root sebific duct leaks；At the end of test, booster is closed, and open
Off-load air bleeding valve；Wherein, the process of the leak detection is：All first branch shut-off valves and the second branch shut-off valve are closed,
The the first branch shut-off valve and the second branch shut-off valve for opening current sebific duct both ends close main road cut-off after predetermined hold-time
Valve, and judge whether current sebific duct leaks according to the pressure data.
Preferably, further include a pair of of sebific duct erection support, the more sebific ducts are installed on the sebific duct erection support.
In conclusion by adopting the above-described technical solution, the sebific duct for capableing of automatic shield failure sebific duct of the present invention is tired
Labor Auto-Test System builds a plurality of TCH test channel by multiple first branch shut-off valves and the second branch shut-off valve, when there is sebific duct
When leakage leakage occurs, leak detection, after detection, the glue that will leak are carried out to the TCH test channel where every sebific duct successively
The first branch shut-off valve at pipe both ends and the second branch shut-off valve closes, and is leaked so as to shield during the test
Sebific duct does not interfere remaining sebific duct to continue to test, and since experiment process will not interrupt, can improve testing efficiency, simplifies test behaviour
Make.
Description of the drawings
Fig. 1 is that the principle of the sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct of the embodiment of the present invention is shown
It is intended to.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Figure 1, in embodiments of the present invention, capableing of the sebific duct fatigue Auto-Test System of automatic shield failure sebific duct
Including booster 1, main road shut-off valve 2, the first branch cut-off valve group, the second branch cut-off valve group, pressure sensor 5, off-load row
Air valve 6 and controller (not shown).
First branch cut-off valve group includes multiple first branch shut-off valves 3, and the second branch cut-off valve group includes quantity and the
One branch shut-off valve, 3 identical multiple second branch shut-off valves 4, the import of the outlet connection main road shut-off valve 2 of booster 1 are main
The outlet of road shut-off valve 2 is separately connected the import of multiple first branch shut-off valves 3, the outlet point of multiple second branch shut-off valves 4
It is not connected to off-load air bleeding valve 6, connects between the outlet of every 1 first branch shut-off valve 3 and the import of the second branch shut-off valve 4
Sebific duct 7 is connect, booster 1, main road shut-off valve 2, the first branch shut-off valve 3, the second branch shut-off valve 4 and pressure sensor 5 are equal
It is connect with controller signals.
The pressure data in exit of the pressure sensor 5 for acquiring main road shut-off valve 2 in real time, and pressure data is sent
To controller.Pressure sensor 5 can be connected to any position between the first branch shut-off valve 3 and main road shut-off valve 2.
Controller is used to start booster 1 testing the when of starting, and closes off-load air bleeding valve 6, and open main road shut-off valve 2,
All first branch shut-off valves 3 and the second branch shut-off valve 4.Wherein, after booster 1 starts, pulse is ended by main road
Valve 2 is respectively outputted to the outlet of each the first branch shut-off valve 3, to act on sebific duct 7.
Controller, which is additionally operable to judge whether there is sebific duct 7 according to pressure data during the test, to be leaked, and is having glue
When pipe 7 leaks, pause test carries out leak detection to each sebific duct 7 successively according to predetermined order, and record leaks
Sebific duct 7 test data, while by the first branch shut-off valve 3 and the second branch shut-off valve 4 at 7 both ends of sebific duct leaked
It closes, remaining sebific duct 7 is continued to test, until last root sebific duct 7 leaks.Wherein, due to test start when,
All sebific ducts 7 are interconnected, in the same closed environment, when any one sebific duct 7 leaks, then this
Closed environment is at leak condition, therefore, can only be determined with sebific duct by pressure sensor 5 and leak, can not judge be
Which root sebific duct 7 leaks.After carrying out leak detection to each sebific duct 7, so that it may to determine the sebific duct 7 leaked,
By closing the first branch shut-off valve 3 and the second branch shut-off valve 4 at 7 both ends of sebific duct leaked, it can shield and let out
The sebific duct 7 of leakage then proceedes to test remaining sebific duct.When all sebific ducts 7 leak, then test ends automatically.
It should be noted that pause test not instead of system-down herein, the behaviors such as pause record test data.
Specifically, the process of leak detection is：All first branch shut-off valves 3 and the second branch shut-off valve 4 are closed, is beaten
The the first branch shut-off valve 3 and the second branch shut-off valve 4 for opening 7 both ends of current sebific duct close main road section after predetermined hold-time
Only valve 2, and judge whether current sebific duct 7 leaks according to pressure data.Wherein, due to there was only the of 7 both ends of current sebific duct
One branch shut-off valve 3 and the second branch shut-off valve 4 are opened, and the first branch shut-off valve 3 at remaining 7 both ends of sebific duct and the second branch are cut
Only valve 4 is closed, then current sebific duct 7 and remaining sebific duct 7 are mutually isolated, the pulse that booster 1 exports, which can only act on, works as
On preceding sebific duct 7, after closing main road shut-off valve 2, current sebific duct 7 is in sealing state, if current sebific duct 7 leaks, that
Pressure data will will produce variation, so as to judge that current sebific duct 7 leaks according to pressure data.
Controller is additionally operable at the end of test, closes booster 1, and open off-load air bleeding valve 6.Open off-load air bleeding valve
6 can be with pressure release.
In the present embodiment, sebific duct fatigue Auto-Test System further includes a pair of of sebific duct erection support 8, and more sebific ducts 7 are equal
On sebific duct erection support 8.It can facilitate the fixation of sebific duct 7, sebific duct 7 that can also pass through glue by sebific duct erection support 8
Pipe erection support 8 is connected to the first branch shut-off valve 3 and the second branch shut-off valve 4.
By the above-mentioned means, the sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct of the embodiment of the present invention
A plurality of TCH test channel is built by multiple first branch shut-off valves and the second branch shut-off valve, leakage leakage occurs when there is sebific duct
When, leak detection is carried out to the TCH test channel where every sebific duct successively, after detection, by the first of the sebific duct both ends leaked
Branch shut-off valve and the second branch shut-off valve are closed, and so as to shield the sebific duct leaked during the test, are not interfered
Remaining sebific duct continues to test, and since experiment process will not interrupt, can improve testing efficiency, simplify test operation.
The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (2)
1. a kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct, which is characterized in that including booster, master
Road shut-off valve, the first branch cut-off valve group, the second branch cut-off valve group, pressure sensor, off-load air bleeding valve and controller, it is described
It includes multiple first branch shut-off valves that first branch, which ends valve group, and the second branch cut-off valve group includes quantity and the first branch
The identical multiple second branch shut-off valves of shut-off valve, the import of the outlet connection main road shut-off valve of the booster, the main road
The outlet of shut-off valve is separately connected the import of multiple first branch shut-off valves, the outlet difference of multiple second branch shut-off valves
It is connected to off-load air bleeding valve, is connected between the outlet of each first branch shut-off valve and the import of the second branch shut-off valve
Sebific duct, the booster, main road shut-off valve, the first branch shut-off valve, the second branch shut-off valve and pressure sensor with control
Device signal connection processed；
The pressure data in exit of the pressure sensor for acquiring main road shut-off valve in real time, and the pressure data is sent out
It send to controller；
The controller is used to start booster when testing beginning, closes off-load air bleeding valve, and opens main road shut-off valve, owns
First branch shut-off valve and the second branch shut-off valve；Sebific duct is judged whether there is according to the pressure data during the test
Leakage, and when there is sebific duct to leak, pause test carries out leak detection to each sebific duct successively according to predetermined order,
Record the test data of sebific duct leaked, while by the first branch shut-off valve at the sebific duct both ends leaked and second point
Road shut-off valve is closed, and continues to test to remaining sebific duct, until last root sebific duct leaks；At the end of test, close
Booster is closed, and opens off-load air bleeding valve；
Wherein, the process of the leak detection is：All first branch shut-off valves and the second branch shut-off valve are closed, are opened current
The first branch shut-off valve and the second branch shut-off valve at sebific duct both ends close main road shut-off valve, and root after predetermined hold-time
Judge whether current sebific duct leaks according to the pressure data.
2. sebific duct fatigue Auto-Test System according to claim 1, which is characterized in that further include a pair of of sebific duct installation branch
Seat, the more sebific ducts are installed on the sebific duct erection support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684742.9A CN108717016A (en) | 2018-06-28 | 2018-06-28 | A kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684742.9A CN108717016A (en) | 2018-06-28 | 2018-06-28 | A kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108717016A true CN108717016A (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810684742.9A Pending CN108717016A (en) | 2018-06-28 | 2018-06-28 | A kind of sebific duct fatigue Auto-Test System for capableing of automatic shield failure sebific duct |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000064210A (en) * | 2000-08-30 | 2000-11-06 | 김현효 | Apparatus and method of burst and fatigue test for industrial pipe and tube |
| JP2002296140A (en) * | 2001-04-02 | 2002-10-09 | Takenaka Komuten Co Ltd | Pressurizing device for testing inside of pipe |
| CN203011773U (en) * | 2012-11-15 | 2013-06-19 | 浙江豪情汽车制造有限公司 | Vehicle hose pressure durability testing device |
| CN204086035U (en) * | 2014-07-04 | 2015-01-07 | 宁波艾德生仪器有限公司 | Tracheae fatigue experimental device |
| CN106198231A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Piston type air entraining substation long-tube trailer rupture disk fatigue test device |
| CN205879474U (en) * | 2016-07-26 | 2017-01-11 | 泰因姆（天津）科技有限公司 | Vertical compression leak detector |
-
2018
- 2018-06-28 CN CN201810684742.9A patent/CN108717016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000064210A (en) * | 2000-08-30 | 2000-11-06 | 김현효 | Apparatus and method of burst and fatigue test for industrial pipe and tube |
| JP2002296140A (en) * | 2001-04-02 | 2002-10-09 | Takenaka Komuten Co Ltd | Pressurizing device for testing inside of pipe |
| CN203011773U (en) * | 2012-11-15 | 2013-06-19 | 浙江豪情汽车制造有限公司 | Vehicle hose pressure durability testing device |
| CN204086035U (en) * | 2014-07-04 | 2015-01-07 | 宁波艾德生仪器有限公司 | Tracheae fatigue experimental device |
| CN106198231A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Piston type air entraining substation long-tube trailer rupture disk fatigue test device |
| CN205879474U (en) * | 2016-07-26 | 2017-01-11 | 泰因姆（天津）科技有限公司 | Vertical compression leak detector |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181030 |
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