CN105841938B - Safety cut-off valve reliability test and its application - Google Patents
Safety cut-off valve reliability test and its application Download PDFInfo
- Publication number
- CN105841938B CN105841938B CN201610176962.1A CN201610176962A CN105841938B CN 105841938 B CN105841938 B CN 105841938B CN 201610176962 A CN201610176962 A CN 201610176962A CN 105841938 B CN105841938 B CN 105841938B
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- Prior art keywords
- valve
- safety cut
- rotating shaft
- power transmission
- drive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The present invention relates to a kind of safety cut-off valve reliability test and its application, for testing the reliability of safety cut-off valve, safety cut-off valve includes valve body, the gentle arm of rotating shaft is provided with valve body, the outside of valve body is stretched out at the both ends of rotating shaft, one end of slow arm is fixedly set in rotating shaft, the other end of slow arm is provided with hanging plate, hook is further fixedly arranged in valve body, rotating shaft drives slow arm to enable to hanging plate to be caught in hook after rotating, safety cut-off valve reliability test includes being sleeved on rotating shaft one end and can drive the drive sleeve of rotating shaft synchronous axial system, and drive sleeve drive mechanism.The safety cut-off valve reliability test of the present invention, torque is provided by executing agency, drive the rotating shaft of safety cut-off valve, carry out reliability testing, without manually performing, manpower, the more switching without safety cut-off valve distancing experimental enviroment to be carried out to safety cut-off valve opening and closing are saved, the efficiency and accuracy of experiment are substantially increased, it is difficult to reduce experiment.
Description
Technical field
The present invention relates to safety cut-off valve technical field, more particularly to a kind of safety cut-off valve reliability test and its
Using.
Background technology
Safety cut-off valve is mounted in a kind of safety means that voltage regulating station or the defeated pipeline of gas point are automatically cut off.Equipment
Need to carry out SIL certifications when dispatching from the factory, verification process one of which be reliability test, specific test method at -40 DEG C and
Valve is carried out in the environment of 80 DEG C to cut off/breakdown action each 200 times or so.
Because of valve design requirement, actual condition lower valve, which is opened, is necessary for manually opened with handwheel, because valve is opened manually
Opening needs large force, and valve must be transferred from into experimental enviroment more important is experimental enviroment very severe, during experiment be opened
Open, the efficiency and accuracy of this experiment with regard to strong influence.
In addition, speed must very soon (about 1s) when valve cut-out/breakdown action characteristic is segment, cut-out/unlatching flap
Rotational angle is 90 °.
The content of the invention
The technical problem to be solved in the present invention is：In view of the problem of in above-mentioned experiment, special with reference to valve cut-out/breakdown action
Property, the present invention provides a kind of safety cut-off valve reliability test and its application.
The technical solution adopted for the present invention to solve the technical problems is：A kind of safety cut-off valve reliability test,
For testing the reliability of safety cut-off valve, the safety cut-off valve includes valve body, and the gentle arm of rotating shaft, rotating shaft are provided with valve body
Both ends stretch out the outside of valve body, one end of slow arm is fixedly set in rotating shaft, and the other end of slow arm is provided with hanging plate, in valve body
Hook is further fixedly arranged on, rotating shaft drives slow arm to enable to hanging plate to be caught in hook, the safety cut-off valve reliability after rotating
Experimental rig includes being sleeved on rotating shaft one end and can drive the drive sleeve of rotating shaft synchronous axial system, and drive sleeve drive mechanism.
The present invention carries out reliability testing by safety cut-off valve reliability test to safety cut-off valve, improves under adverse circumstances
The accuracy and test efficiency of experiment, it is difficult to reduce experiment.
In order to which power transmission shaft can drive drive sleeve, the drive mechanism includes the power transmission shaft coaxial with drive sleeve, the biography
Groove is offered on the end face of dynamic set, one end of the power transmission shaft passes through groove, and the other end of power transmission shaft is connected with executing agency.
It is through by one end of power transmission shaft in groove, power transmission shaft can just drive drive sleeve to rotate together.
According to the experiment demand of safety cut-off valve, the rotating shaft of safety cut-off valve needs to rotate 90 °, preferably, the biography
One end of moving axis is that the other end of power transmission shaft is in square, and the middle part of power transmission shaft is cylindrical in 1/4 circular driving cog,
The groove is circular in 1/2, and driving cog can carry out back rotation in groove, and the side of the executing agency is provided with square groove,
The other end of power transmission shaft is engaged with the square groove of executing agency.
Retainer ring is also set with for the ease of fixed and support power transmission shaft, the middle part outer ring of the power transmission shaft, retainer ring is solid
It is scheduled in executing agency, bearing is also equipped between retainer ring and the middle part of power transmission shaft.
Drive sleeve can drive the concrete structure of rotating shaft to be preferably：The inner ring of the drive sleeve offers keyway, rotating shaft
One end is provided with the key being engaged with keyway.But it is not limited only to this.
A kind of application of safety cut-off valve reliability test, for carrying out reliability test to safety cut-off valve.
A kind of application of safety cut-off valve reliability test, comprises the following steps：
1) drive sleeve is sleeved on to one end of rotating shaft；
2) executing agency is started, executing agency drives power transmission shaft to rotate clockwise so that the driving cog of power transmission shaft, which drives, to be passed
Dynamic set rotates clockwise, and drive sleeve drives rotating shaft to rotate clockwise again, finally causes rotating shaft to drive slow arm to rotate so that hanging plate card
Enter in hook, safety cut-off valve is opened；
3) executing agency drives power transmission shaft to rotate counterclockwise so that driving cog is resetted, and now safety cut-off valve reliability is tried
Experiment device is armed state, the control device control hook on safety cut-off valve so that hook lifts, and hanging plate departs from hook, turns
Axle is rotated counterclockwise, and drives drive sleeve to rotate counterclockwise, and safety cut-off valve is closed；
4) continue step 2), 3), carry out cyclic test.
The invention has the advantages that safety cut-off valve reliability test and its application of the present invention, pass through execution
Mechanism provides torque, drives the rotating shaft of safety cut-off valve, carries out reliability testing, without manually performing, saves manpower, more
Without safety cut-off valve distancing experimental enviroment to be carried out to the switching of safety cut-off valve opening and closing, the effect of experiment is substantially increased
Rate and accuracy, it is difficult to reduce experiment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the dimensional structure diagram of optimum embodiment safety cut-off valve reliability test of the present invention.
Fig. 2 is another dimensional structure diagram of optimum embodiment safety cut-off valve reliability test of the present invention.
Fig. 3 is the stereochemical structure signal of the power transmission shaft of optimum embodiment safety cut-off valve reliability test of the present invention
Figure.
Fig. 4 is that optimum embodiment safety cut-off valve of the present invention removes the vertical of part valve body in order to see its internal structure clearly
Body structural representation.
Fig. 5 is the three-dimensional knot of connection of optimum embodiment safety cut-off valve reliability test and safety cut-off valve of the present invention
Structure schematic diagram.
Fig. 6 is the initial position of optimum embodiment safety cut-off valve reliability test of the present invention, corresponding safety cut-off
Valve off-state.
Fig. 7 is the armed state of optimum embodiment safety cut-off valve reliability test of the present invention.
In figure：1st, valve body, 2, rotating shaft, 3, slow arm, 4, hanging plate, 5, hook, 6, drive sleeve, 61, groove, 62, keyway, 7, pass
Moving axis, 71, driving cog, 8, executing agency, 9, retainer ring, 10, bearing.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-4, it is optimum embodiment of the present invention, a kind of safety cut-off valve reliability test, for testing
The reliability of safety cut-off valve, including valve body 1, rotating shaft 2 is provided with valve body 1 and is eased up arm 3, valve body 1 is stretched out at the both ends of rotating shaft 2
Outside, one end of slow arm 3 are fixedly set in rotating shaft 2, and the other end of slow arm 3 is provided with hanging plate 4, is also fixedly installed in valve body 1
There is hook 5, rotating shaft 2 drives slow arm 3 to enable to hanging plate 4 to be caught in hook 5 after rotating, and the device also includes being sleeved on rotating shaft 2 one
Hold and the drive sleeve 6 of the synchronous axial system of rotating shaft 2, and the drive mechanism of drive sleeve 6 can be driven.
Drive mechanism includes the power transmission shaft 7 coaxial with drive sleeve 6, and groove 61, power transmission shaft are offered on the end face of drive sleeve 6
7 one end passes through groove 61, and the other end of power transmission shaft 7 is connected with executing agency 8.
As shown in figure 3, one end of power transmission shaft 7 is in 1/4 circular driving cog 71, the other end of power transmission shaft 7 is in square
Shape, the middle part of power transmission shaft 7 is cylindrical, and groove 61 is circular in 1/2, and 1/4 circular driving cog 71 can be in groove 61
Carry out back rotation in 1/2 annulus, two annulus are concentric, and the side of executing agency 8 is provided with square groove, and the other end of power transmission shaft 7 is with holding
The square groove of row mechanism 8 is engaged.
The middle part outer ring of power transmission shaft 7 is also set with retainer ring 9, and retainer ring 9 is fixed in executing agency 8, and retainer ring 9 is with passing
Bearing 10 is also equipped between the middle part of moving axis 7.
The inner ring of drive sleeve 6 offers keyway 62, and one end of rotating shaft 2 is provided with the key being engaged with keyway 62.
As illustrated in figs. 5-7, a kind of application of safety cut-off valve reliability test, for safety cut-off valve carry out can
Test, comprise the following steps by property：
1) drive sleeve 6 is sleeved on to one end of rotating shaft 2；I.e. one end matching somebody with somebody by key and keyway 62 of valve body 1 is stretched out in rotating shaft 2
Close connection；
2) initial position of safety cut-off valve reliability test position as shown in Figure 6, corresponding safety cut-off valve
The position of slow arm 3 and hook 5 is as shown in figure 5, be valve off-state, startup executing agency 8, executing agency 8 drives power transmission shaft 7
Rotate clockwise 90 ° so that the driving cog 71 of power transmission shaft 7 drives drive sleeve 6 to rotate clockwise 90 °, and drive sleeve 6 drives rotating shaft again
2 rotate clockwise 90 °, finally cause rotating shaft 2 to drive slow arm 3 to rotate clockwise 90 ° so that the hanging plate 4 of the slow free end of arm 3 is caught in
In hook 5, safety cut-off valve is opened；
3) executing agency 8 drives power transmission shaft 7 to rotate counterclockwise 90 ° so that power transmission shaft 7 resets in groove 61, and state is such as
Shown in Fig. 7, the driving cog of power transmission shaft 7 is no longer bear against groove 61, and now safety cut-off valve reliability test is armed state,
Control device control hook 5 on safety cut-off valve so that hook 5 lifts, and hanging plate 4 departs from hook 5, therefore slow arm 3 is another
End is without pulling force, and rotating shaft 2 starts to rotate counterclockwise 90 °, and so as to drive drive sleeve 6 to rotate counterclockwise 90 °, safety cut-off valve breaks
Open, now as shown in Figure 6；
4) continue step 2), 3), carry out cyclic test.
In the equipment that this device applies also for having same action process；By changing the logical of driving cog 71 and drive sleeve 6
The size of groove 61, rotational angle are not limited to 90 ° of corners；The connected mode of drive sleeve 6 is not limited to key connection transmission.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (4)
- A kind of 1. safety cut-off valve reliability test, for testing the reliability of safety cut-off valve, the safety cut-off valve Including valve body（1）, valve body（1）Inside it is provided with rotating shaft（2）Gentle arm（3）, rotating shaft（2）Both ends stretch out valve body（1）Outside, delay Arm（3）One end be fixedly set in rotating shaft（2）On, delay arm（3）The other end hanging plate is installed（4）, valve body（1）Inside also fixation is set It is equipped with hook（5）, rotating shaft（2）Drive slow arm（3）Hanging plate is enabled to after rotation（4）It is caught in hook（5）, it is characterised in that：Institute Stating safety cut-off valve reliability test includes being sleeved on rotating shaft（2）One end and rotating shaft can be driven（2）The biography of synchronous axial system Dynamic set（6）, and drive sleeve（6）Drive mechanism,The drive mechanism includes and drive sleeve（6）Coaxial power transmission shaft（7）, the drive sleeve（6）End face on offer it is logical Groove（61）, the power transmission shaft（7）One end pass through groove（61）, power transmission shaft（7）The other end be connected with executing agency（8）,The power transmission shaft（7）One end be in 1/4 circular driving cog（71）, power transmission shaft（7）The other end be in square, pass Moving axis（7）Middle part it is cylindrical, the groove（61）Circular, the driving cog in 1/2（71）Can be in groove（61）Inside back and forth Rotate, the executing agency（8）Side be provided with square groove, power transmission shaft（7）The other end and executing agency（8）Square groove phase Coordinate.
- 2. safety cut-off valve reliability test as claimed in claim 1, it is characterised in that：The power transmission shaft（7）In Portion outer ring is also set with retainer ring（9）, retainer ring（9）It is fixed on executing agency（8）On, retainer ring（9）With power transmission shaft（7）In Bearing is also equipped between portion（10）.
- 3. safety cut-off valve reliability test as claimed in claim 1, it is characterised in that：The drive sleeve（6）It is interior Circle offers keyway（62）, rotating shaft（2）One end be provided with and keyway（62）The key being engaged.
- A kind of 4. application of safety cut-off valve reliability test as described in claim any one of 1-3, for safety Stop valve carries out reliability test, it is characterised in that comprises the following steps：1）By drive sleeve（6）It is sleeved on rotating shaft（2）One end；2）Start executing agency（8）, executing agency（8）Drive power transmission shaft（7）Rotate clockwise so that power transmission shaft（7）Transmission Tooth（71）Drive drive sleeve（6）Rotate clockwise, drive sleeve（6）Rotating shaft is driven again（2）Rotate clockwise, finally cause rotating shaft （2）Drive slow arm（3）Rotate so that hanging plate（4）It is caught in hook（5）Interior, safety cut-off valve is opened；3）Executing agency（8）Drive power transmission shaft（7）Rotate counterclockwise so that driving cog（71）Reset, now safety cut-off valve can It is armed state by property experimental rig, the control device control hook on safety cut-off valve（5）So that hook（5）Lift, hanging plate （4）Depart from hook（5）, rotating shaft（2）Rotate counterclockwise, drive drive sleeve（6）Rotate counterclockwise, safety cut-off valve is closed；4）Continue step 2）、3）, carry out cyclic test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176962.1A CN105841938B (en) | 2016-03-25 | 2016-03-25 | Safety cut-off valve reliability test and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176962.1A CN105841938B (en) | 2016-03-25 | 2016-03-25 | Safety cut-off valve reliability test and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105841938A CN105841938A (en) | 2016-08-10 |
| CN105841938B true CN105841938B (en) | 2018-01-26 |
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ID=56583540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176962.1A Active CN105841938B (en) | 2016-03-25 | 2016-03-25 | Safety cut-off valve reliability test and its application |
Country Status (1)
| Country | Link |
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| CN (1) | CN105841938B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004060077A1 (en) * | 2004-12-14 | 2006-07-06 | Continental Teves Ag & Co. Ohg | Circuit for hydraulic or pneumatic testing of valves, brake calipers, has low pressure meter connected to test line between shut-off valve, test connection, whose connection to test line is automatically isolated for high pressure testing |
| CN202118359U (en) * | 2011-06-16 | 2012-01-18 | 太原市三力工控工程有限公司 | Quick electronic controlled cutoff valve |
| CN103512744A (en) * | 2013-10-11 | 2014-01-15 | 江南大学 | Safety protecting and hoisting device of safety valve calibration console |
| CN203785886U (en) * | 2014-04-16 | 2014-08-20 | 江苏二马液压元件有限公司 | Safety valve durability test bed |
| CN104155089A (en) * | 2014-08-07 | 2014-11-19 | 龙工（上海）精工液压有限公司 | Hydraulic valve durability test bench |
| CN204942721U (en) * | 2015-08-31 | 2016-01-06 | 成都伦慈仪表有限公司 | Cut-off valve is threaded off and resetting-mechanism |
-
2016
- 2016-03-25 CN CN201610176962.1A patent/CN105841938B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004060077A1 (en) * | 2004-12-14 | 2006-07-06 | Continental Teves Ag & Co. Ohg | Circuit for hydraulic or pneumatic testing of valves, brake calipers, has low pressure meter connected to test line between shut-off valve, test connection, whose connection to test line is automatically isolated for high pressure testing |
| CN202118359U (en) * | 2011-06-16 | 2012-01-18 | 太原市三力工控工程有限公司 | Quick electronic controlled cutoff valve |
| CN103512744A (en) * | 2013-10-11 | 2014-01-15 | 江南大学 | Safety protecting and hoisting device of safety valve calibration console |
| CN203785886U (en) * | 2014-04-16 | 2014-08-20 | 江苏二马液压元件有限公司 | Safety valve durability test bed |
| CN104155089A (en) * | 2014-08-07 | 2014-11-19 | 龙工（上海）精工液压有限公司 | Hydraulic valve durability test bench |
| CN204942721U (en) * | 2015-08-31 | 2016-01-06 | 成都伦慈仪表有限公司 | Cut-off valve is threaded off and resetting-mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 城镇燃气自力式切断阀的检验和性能分析;岳明 等;《煤气与热力》;20140415;第34卷(第4期);第13-18页 * |
| 安全仪表系统切断阀的在线测试;杜学军 等;《石油化工自动化》;20021230(第6期);第92-95页 * |
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| Publication number | Publication date |
|---|---|
| CN105841938A (en) | 2016-08-10 |
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