CN104458220A - Stop valve rigidity detecting method and system - Google Patents
Stop valve rigidity detecting method and system Download PDFInfo
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- CN104458220A CN104458220A CN201310430563.XA CN201310430563A CN104458220A CN 104458220 A CN104458220 A CN 104458220A CN 201310430563 A CN201310430563 A CN 201310430563A CN 104458220 A CN104458220 A CN 104458220A
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- Prior art keywords
- stop valve
- valve
- urgent
- union nut
- spool
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Abstract
The invention discloses a stop valve rigidity detecting method and system. The stop valve rigidity detecting method comprises the steps that a. a stop valve is fixed on a tool table; b. set valve element tightening moment is applied to a valve element of the stop valve to tighten the valve element; c. high-pressure air is applied to the stop valve from a pipe connecting end of the stop valve; d. set pipe connecting nut tightening moment is applied to a pipe connecting nut of the stop valve to tighten the pipe connecting nut; and e. whether a fluorine injection mouth end of the stop valve is in leakage and/or whether a valve body of the stop valve is broken and deformed are/is detected. According to the stop valve rigidity detecting method, the anti-deforming capacity of the stop valve can be effectively detected, accordingly, effective testing data can be provided, the stop valve enterprise standard is established in a perfection mode, whole machine quality can be improved, and the stop valve after-sale fault rate is lowered.
Description
Technical field
The present invention relates to valve, particularly relate to a kind of stop valve rigidity detection method and detection system.
Background technology
Stop valve all wants urgent union nut in production run test with when installing after sale, in urgent union nut process, stop valve body can be subject to great torsion and system pressure impact, if valve body poor rigidity, very easily cause valve body to rupture, ftracture, be out of shape the great after sale quality problems such as leakage.But, at present for stop valve rigidity (i.e. valve body non-deformability), temporarily without detection means in industry, on market.
Summary of the invention
For above-mentioned prior art present situation, technical matters to be solved by this invention is, provides a kind of stop valve rigidity detection method and detection system, detects, reduce stop valve failure rate after sale to realize stop valve rigidity.
In order to solve the problems of the technologies described above, a kind of stop valve rigidity detection method provided by the present invention, comprises the steps:
A, described stop valve is fixed on tooling platform;
B, the urgent described spool of the urgent moment of spool set to the spool applying of described stop valve;
C, apply gases at high pressure from the adapter end of described stop valve to described stop valve;
D, the urgent described union nut of the urgent moment of union nut set to the union nut applying of described stop valve;
E, whether the fluorinfused nozzle end detecting described stop valve leaks and/or whether the valve body of described stop valve ruptures, is out of shape.
Wherein in an embodiment, band tabular form torque spanner is used to apply urgent moment to described spool or described union nut, and the rotational axis vertical of described torque spanner and described spool or described union nut or be 30 ° ~ 60 ° inclination angles.
Wherein in an embodiment, in described step b, the urgent moment of described spool increases along with the increase of described stop valve spool specification.
Wherein in an embodiment, in described steps d, the urgent moment of described union nut increases along with the increase of described stop valve spool specification.
Wherein in an embodiment, described stop valve rigidity detection method is also included in the following steps after described steps d: the union nut to described stop valve applies the urgent moment of dynamic leakage and/or the urgent described union nut of the urgent moment of static leakage of setting, and the urgent moment of described dynamic leakage is greater than the urgent moment of described union nut and is less than the urgent moment of described static leakage.
A kind of stop valve rigidity detection system provided by the present invention, comprising:
Worktable, for fixing described stop valve;
Source of the gas, for providing gases at high pressure, this source of the gas has gas outlet;
Air inlet pipeline, has the intake interface for being connected with the described gas outlet of described source of the gas and the interface of giving vent to anger for being connected with the adapter end of described stop valve, this air inlet pipeline is provided with tensimeter and pressure regulator valve;
Whether leak detecting device, leak for the fluorinfused nozzle end detecting described stop valve.
Wherein in an embodiment, described pressure regulator valve comprises solenoid valve and hand switch, and this solenoid valve and this hand switch are connected on described air inlet pipeline.
Wherein in an embodiment, described air inlet pipeline is also provided with pressure-release valve.
Wherein in an embodiment, described source of the gas is nitrogen cylinder.
Wherein in an embodiment, described stop valve rigidity detection system also comprises safty shield, and described source of the gas, described air inlet pipeline and described leak detecting device are all loaded in described safty shield.
By stop valve rigidity detection method provided by the present invention and detection system, effectively can detect the ability of stop valve body resistance to deformation, thus effective test figure can be provided, set up stop valve enterprise mark to improve; Meanwhile, can overall mass be improved, reduce stop valve failure rate after sale.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the stop valve rigidity detection system in one of them embodiment of the present invention;
Fig. 2 a, 2b are the scheme of installation of the stop valve of stop valve rigidity detection system in one of them embodiment of the present invention, and wherein Fig. 2 a is the front view of stop valve, and Fig. 2 b is the left view of stop valve.
Above in each figure, 1, source of the gas; 2, tensimeter; 3, solenoid valve; 4, hand switch; 5, pressure-release valve; 6, leak detecting device; 7, stop valve; 7a, mounting hole; 7b, spool; 7c, union nut; 7d, adapter end, 7e, fluorinfused nozzle end; 7f, valve body; 8, air inlet pipeline.
Embodiment
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
Figure 1 shows that the schematic diagram of the stop valve rigidity detection system in one of them embodiment of the present invention, stop valve rigidity detection system comprises worktable (not shown), source of the gas 1, air inlet pipeline 8 and leak detecting device 6, and described worktable is used for fixing stop valve 7.Described source of the gas 1 is for providing test required gases at high pressure, and source of the gas 1 has gas outlet.More preferably, source of the gas 1 is nitrogen cylinder.Described air inlet pipeline 8 has the intake interface for being connected with the gas outlet of described source of the gas 1 and the interface of giving vent to anger for being connected with the adapter end 7d of described stop valve 7, and this air inlet pipeline 8 is provided with tensimeter 2, pressure regulator valve and pressure-release valve 5.Described tensimeter 2 is for monitoring input pressure.The pressure of described pressure regulator valve for readjusting income distribution.More preferably, described pressure regulator valve comprises the adjustment solenoid valve 3 of input pressure and the hand switch 4 of manual adjustments input pressure automatically.Described pressure-release valve 5 is for automatically unloading.Whether described leak detecting device 6 leaks for detecting described stop valve 7.
Because relating to gases at high pressure, safety coefficient is higher, adopt high pressure resistant stainless-steel tube as connection pipe end 7d road in the present embodiment, and, be provided with safty shield (not shown) below described worktable, described source of the gas 1, described air inlet pipeline 8 and described leak detecting device 6 are all loaded in described safty shield.
In another embodiment of the present invention, a kind of stop valve rigidity detection method is provided, comprises the steps:
Step a, the adapter end 7d of stop valve 7 to be connected with the interface of giving vent to anger of air inlet pipeline 8, through two mounting hole 7a on stop valve 7, stop valve 7 to be fixed on rigidity worktable with bolt.
Step b, with spool 7b from torque spanner to described stop valve 7 apply setting the urgent moment of spool (see table one) by urgent for spool 7b, then shut the chamber door of described safty shield.More preferably, described torque spanner and described spool 7b rotational axis vertical or in 30 ° ~ 60 ° inclination angles.More preferably, the urgent moment of described spool increases (see table one) along with the increase of described stop valve spool specification.
Step c, open frock power supply, source of the gas 1, apply gases at high pressure from the adapter end 7d of described stop valve 7 to described stop valve 7.
Steps d, use band tabular form torque spanner are to the urgent described union nut 7c of the urgent moment of union nut (see table one) of the union nut 7c applying setting of described stop valve 7.More preferably, described torque spanner and described union nut 7c rotational axis vertical or in 30 ° ~ 60 ° inclination angles.More preferably, the urgent moment of described union nut increases (see table one) along with the increase of described stop valve spool specification.
Step e, whether the fluorinfused nozzle end 7e detecting described stop valve leaks and/or whether the valve body 7f of described stop valve 7 ruptures, is out of shape.As shown in Figure 1, leak detecting device 6 is connected with fluorinfused nozzle end 7e, and when the distortion of stop valve 7 process of the test is leaked, leak detecting device 6 can automatic alarm, and shows red light, and detects qualified, then show green light.
More preferably, described stop valve rigidity detection method is also included in the following steps after described steps d: the union nut 7c to described stop valve applies the urgent moment of dynamic leakage (see table one) and/or the urgent described union nut 7c of the urgent moment of static leakage (see table one) of setting, and the urgent moment of described dynamic leakage is greater than the urgent moment of described union nut and is less than the urgent moment of described static leakage.Whether leak to detect union nut 7c urgent process fluorinfused nozzle end 7e by applying the urgent moment of dynamic leakage to union nut 7c, whether leak by the urgent rear fluorinfused nozzle end 7e of the urgent moment of static leakage to detect union nut 7c by applying the urgent moment of static leakage to union nut 7c, thus detect the ability of stop valve body resistance to deformation further.
Table one:
As there is any urgent exception or off-test shutdown in experiment, source of the gas 1 must be closed, then powered-down, and taking emergency response mechanism immediately.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a stop valve rigidity detection method, is characterized in that, comprises the steps:
A, described stop valve is fixed on tooling platform;
B, the urgent described spool of the urgent moment of spool set to the spool applying of described stop valve;
C, apply gases at high pressure from the adapter end of described stop valve to described stop valve;
D, the urgent described union nut of the urgent moment of union nut set to the union nut applying of described stop valve;
E, whether the fluorinfused nozzle end detecting described stop valve leaks and/or whether the valve body of described stop valve ruptures, is out of shape.
2. stop valve rigidity detection method according to claim 1, it is characterized in that, band tabular form torque spanner is used to apply urgent moment to described spool or described union nut, and the rotational axis vertical of described torque spanner and described spool or described union nut or be 30 ° ~ 60 ° inclination angles.
3. stop valve rigidity detection method according to claim 1, is characterized in that, in described step b, the urgent moment of described spool increases along with the increase of described stop valve spool specification.
4. stop valve rigidity detection method according to claim 1, is characterized in that, in described steps d, the urgent moment of described union nut increases along with the increase of described stop valve spool specification.
5. stop valve rigidity detection method according to claim 1, it is characterized in that, also be included in the following steps after described steps d: the union nut to described stop valve applies the urgent moment of dynamic leakage and/or the urgent described union nut of the urgent moment of static leakage of setting, and the urgent moment of described dynamic leakage is greater than the urgent moment of described union nut and is less than the urgent moment of described static leakage.
6. a stop valve rigidity detection system, is characterized in that, comprising:
Worktable, for fixing described stop valve;
Source of the gas, for providing gases at high pressure, this source of the gas has gas outlet;
Air inlet pipeline, has the intake interface for being connected with the described gas outlet of described source of the gas and the interface of giving vent to anger for being connected with the adapter end of described stop valve, this air inlet pipeline is provided with tensimeter and pressure regulator valve;
Whether leak detecting device, leak for the fluorinfused nozzle end detecting described stop valve.
7. stop valve rigidity detection system according to claim 6, it is characterized in that, described pressure regulator valve comprises solenoid valve and hand switch, and this solenoid valve and this hand switch are connected on described air inlet pipeline.
8. stop valve rigidity detection system according to claim 6, is characterized in that, described air inlet pipeline is also provided with pressure-release valve.
9. stop valve rigidity detection system according to claim 6, is characterized in that, described source of the gas is nitrogen cylinder.
10. according to the stop valve rigidity detection system in claim 6 to 9 described in any one, it is characterized in that, also comprise safty shield, described source of the gas, described air inlet pipeline and described leak detecting device are all loaded in described safty shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430563.XA CN104458220B (en) | 2013-09-18 | 2013-09-18 | Shut-off valve rigidity detection method and detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430563.XA CN104458220B (en) | 2013-09-18 | 2013-09-18 | Shut-off valve rigidity detection method and detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458220A true CN104458220A (en) | 2015-03-25 |
| CN104458220B CN104458220B (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310430563.XA Expired - Fee Related CN104458220B (en) | 2013-09-18 | 2013-09-18 | Shut-off valve rigidity detection method and detecting system |
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| Country | Link |
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| CN (1) | CN104458220B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0210243A (en) * | 1988-06-29 | 1990-01-16 | Toshiba Corp | Abnormality diagnosing mechanism for valve device |
| EP0390224A2 (en) * | 1987-08-20 | 1990-10-03 | Liberty Technologies, Inc. | System for evaluating the condition and performance of a valve and valve operator combination and sensor for measuring forces on a valve stem |
| CN2519908Y (en) * | 2000-10-20 | 2002-11-06 | 程路 | Regulating-valve fault intelligent detecting and analysizing instrument |
| CN201013919Y (en) * | 2007-03-19 | 2008-01-30 | 浙江盾安精工集团有限公司 | Stop valve for air conditioner |
| KR101107037B1 (en) * | 2010-09-30 | 2012-01-25 | 한국수력원자력 주식회사 | Apparatus for end-loading test of active power operated valves |
| CN203490065U (en) * | 2013-09-18 | 2014-03-19 | 珠海格力电器股份有限公司 | Stop valve rigidity inspection system |
-
2013
- 2013-09-18 CN CN201310430563.XA patent/CN104458220B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0390224A2 (en) * | 1987-08-20 | 1990-10-03 | Liberty Technologies, Inc. | System for evaluating the condition and performance of a valve and valve operator combination and sensor for measuring forces on a valve stem |
| JPH0210243A (en) * | 1988-06-29 | 1990-01-16 | Toshiba Corp | Abnormality diagnosing mechanism for valve device |
| CN2519908Y (en) * | 2000-10-20 | 2002-11-06 | 程路 | Regulating-valve fault intelligent detecting and analysizing instrument |
| CN201013919Y (en) * | 2007-03-19 | 2008-01-30 | 浙江盾安精工集团有限公司 | Stop valve for air conditioner |
| KR101107037B1 (en) * | 2010-09-30 | 2012-01-25 | 한국수력원자력 주식회사 | Apparatus for end-loading test of active power operated valves |
| CN203490065U (en) * | 2013-09-18 | 2014-03-19 | 珠海格力电器股份有限公司 | Stop valve rigidity inspection system |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国机械工业部: "致冷装置用截止阀", 《中华人民共和国机械行业标准JB/T 7245-94》 * |
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| Publication number | Publication date |
|---|---|
| CN104458220B (en) | 2018-04-27 |
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Granted publication date: 20180427 |