CN101806672B - Valve life testing device - Google Patents
Valve life testing device Download PDFInfo
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- CN101806672B CN101806672B CN2010101760422A CN201010176042A CN101806672B CN 101806672 B CN101806672 B CN 101806672B CN 2010101760422 A CN2010101760422 A CN 2010101760422A CN 201010176042 A CN201010176042 A CN 201010176042A CN 101806672 B CN101806672 B CN 101806672B
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- valve
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- testing device
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- frame
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 description 9
- 241000486406 Trachea Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides a valve life testing device which belongs to the technical field of machinery and solves the problem that no testing equipment for a lead screw valve core exists on a traditional market. The valve life testing device comprises a stand, wherein the stand is provided with a clamping mechanism which can fix the valve body of a valve on the stand, the stand is provided with a cylinder 1 and a rotating sleeve which can be connected with the lead screw of the valve, a rack is connected to the piston rod of the cylinder 1, and the rotating sleeve is connected with a gear engaged with the rack; when the piston rod of the cylinder 1 extends and shrinks, the rotating sleeve can rotate; and the cylinder 1 is connected with a control mechanism which can control the sliding stroke of the piston rod. The valve life testing device has the advantages of simple structure, convenient use, capability of on-line pressurized testing, small occupied area and accurate and effective testing.
Description
Technical field
The invention belongs to field of mechanical technique, particularly relate to a kind of valve life testing device.
Background technology
Existing valve kind is more and more, and according to the difference of its design and action principle, its checkout equipment and method also need in time to adjust.At present more common on the market gate valve, stop valve etc. rely on the moving of screw thread driving-belt dynamic seal of screw mandrel or spool, reach the keying effect with this, whether can seal after the life-span of this valve is opened and closed by screw mandrel or spool to a great extent and decide, just be equal to life test at the life test of this class valve to the screw mandrel spool, but on the market also not at the testing apparatus of this type of screw mandrel spool.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, proposed a kind of valve life testing device, this device makes screw mandrel or spool cycle rotation realize test valve screw mandrel or spool life-span by the mechanical drive conversion.
Purpose of the present invention can realize by following technical proposal: a kind of valve life testing device, comprise frame, be provided with the clamp system that the valve body of valve can be fixed on the frame on the frame, it is characterized in that, described frame is provided with cylinder one and the turning set that can link to each other with the screw mandrel of valve, be connected with tooth bar on the piston rod of described cylinder one, be connected with the gear that is meshed with above-mentioned tooth bar on the described turning set; When the piston rod of cylinder one is flexible can turning set rotate and on above-mentioned cylinder one, be connected with can control piston bar sliding stroke control gear.
Cylinder one piston rod in this device is done stretching motion and is driven tooth bar and slides, and then tooth bar rotates gear and the drive turning set rotates, and rotates synchronously thereby turning set drives the screw mandrel or the spool of valve.The piston rod round-robin of cylinder one is done stretching motion, just can make valve reach circulation and open and close and write down its cycle index, infers valve screw mandrel or spool life-span thus.Valve is threaded to full cut-off from standard-sized sheet, records the number of turns, and can calculate the stroke of tooth bar, and then control gear is according to the Stroke Control piston rod sliding stroke of tooth bar, and promptly control gear can guarantee effectively that screw mandrel or spool do omnidistance motion.
In above-mentioned valve life testing device, described control gear comprises the solenoid valve that is connected with cylinder one tracheae and the time relay that links to each other with solenoid valve and can control electromagnetic valve open and close.The time relay is a kind of control apparatus that utilizes electromagnetic principle or mechanical principle to realize time-delay control, and its price is lower, and control is convenient, can make this device use more convenient and reduce production costs.
In above-mentioned valve life testing device, described control gear comprises solenoid valve that is connected with cylinder one tracheae and the touching switch that is arranged on the cylinder one, and described solenoid valve and touching switch all are connected with PLC.
In above-mentioned valve life testing device, described frame is provided with support wheel, and the side of described support wheel and tooth bar downside lean.Support wheel is supporting tooth bar, and simultaneously support wheel can rotate, and has reduced friction force between tooth bar and the frame thereby support wheel is set, and improves the stationarity of tooth bar motion.
In above-mentioned valve life testing device, be fixed with support chip on the described frame, the side of described support chip is leaned on mutually with the tooth bar side, and above-mentioned support wheel two ends are movably connected on the support chip.Two ends at support wheel are equipped with support chip, and tooth bar is between two support chips and tooth bar is slided along it, and support chip play the guiding role thus, further improves the stationarity of tooth bar motion.
In above-mentioned valve life testing device, described gear two ends link to each other with frame by bearing.It is more flexible and stable that bearing rotates gear, also improved the transmission stability between rack and pinion simultaneously.One end of gear passes bearing and links to each other with turning set.
In above-mentioned valve life testing device, described clamp system comprises clamping disk(-sc) one, clamping disk(-sc) two, cylinder two, described clamping disk(-sc) one is fixed on the frame, the cylinder body of described cylinder two is fixed on the frame, and piston rod is connected with the clamping disk(-sc) two-phase and makes clamping disk(-sc) two relative with clamping disk(-sc) one.Valve body between clamping disk(-sc) one and clamping disk(-sc) two and two ends lean with clamping disk(-sc) one and clamping disk(-sc) two respectively and form sealing.It is fast and firm to adopt cylinder clamping to have clamp speeds.Above-mentioned cylinder one and cylinder two all can adopt hydraulic cylinder to replace.
In above-mentioned valve life testing device, described frame is provided with adjusting screw(rod), and above-mentioned clamping disk(-sc) one is fixed on the adjusting screw(rod).Turn adjusting screw(rod) clamping disk(-sc) one is moved axially, thereby can guarantee the screw mandrel valve core axis and the Gear axis conllinear of valve.
In above-mentioned valve life testing device, described clamping disk(-sc) one is provided with the water inlet that can communicate with valve cavity; Described clamping disk(-sc) two is provided with the water delivering orifice that can communicate with valve cavity.At clamping disk(-sc) water inlet and water delivering orifice being set is used for pressing test valve screw mandrel or spool life-span at tape.
Compared with prior art, this valve life testing device has simple in structure, and is easy to use, can press test at tape, and floor area is little, tests advantage accurately and effectively.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of this valve life testing device.
Fig. 2 is the plan structure synoptic diagram of this valve life testing device.
Among the figure, 1, frame; 2, cylinder one; 3, cylinder two; 4, tooth bar; 5, gear; 6, support chip; 7, support wheel; 8, bearing; 9, clamping disk(-sc) one; 10, clamping disk(-sc) two; 11, adjusting screw(rod); 12, the time relay; 13, valve.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, this valve life testing device is used to test the life-span of the screw mandrel or the spool of valve 13.It comprises frame 1, clamp system, turning set, cylinder 1, tooth bar 4, gear 5, control gear.
Specifically, clamp system comprises clamping disk(-sc) 1, clamping disk(-sc) 10, cylinder 23.Be horizontally disposed with adjusting screw(rod) 11 on frame 1, clamping disk(-sc) 1 is fixed on the right side of adjusting screw(rod) 11.The cylinder body of cylinder 23 is fixed on the frame 1, the piston rod of cylinder 23 be connected mutually with clamping disk(-sc) 10 and clamping disk(-sc) 10 relative with clamping disk(-sc) 1.Valve body between clamping disk(-sc) 1 and clamping disk(-sc) 2 10 and two ends respectively towards clamping disk(-sc) 1 and clamping disk(-sc) 10, the piston rod of cylinder 23 is stretched out valve body clamped to make it fixing, two ends of valve body forms sealing with clamping disk(-sc) 1 and clamping disk(-sc) 10 respectively.
On clamping disk(-sc) 1, be provided with the water inlet that can communicate with valve 13 inner chambers; Clamping disk(-sc) 10 is provided with the water delivering orifice that can communicate with valve 13 inner chambers.At clamping disk(-sc) water inlet and water delivering orifice are set and are used for pressing test valve 13 screw mandrels or spool life-span, thereby made things convenient for life-span of test valve 13 at tape.
The cylinder body of cylinder 1 is fixed on the frame 1, and an end of tooth bar 4 is connected mutually with the piston rod of cylinder 1, and cylinder one 2 piston rods are done stretching motion and driven tooth bar 4 longitudinal sliding motions thus.In order to improve the stability that tooth bar 4 slides, on frame 1, be fixed with two support chips 6 at a distance apart from cylinder 1, be provided with the support wheel 7 that is movably connected on the support chip 6 between the support chip 6, this support wheel 7 can rotate flexibly, above-mentioned tooth bar 4 between two support chips 6 and the side of tooth bar 4 can lean with the side of support chip 6, the bottom surface of tooth bar 4 is resisted against on support wheel 7 sides.
The support wheel 7 that the bottom surface of several and tooth bar 4 leans can also be set below tooth bar 4.
Be provided with a gear 5 that is meshed with this tooth bar 4 above tooth bar 4, gear 5 two ends are fixed on the frame 1 by bearing 8.It is more flexible and stable that bearing 8 rotates gear 5, also improved the transmission stability of 5 of tooth bar 4 and gears simultaneously.The end that one end of gear 5 passes bearing 8 and turning set circumferentially is fixedly linked, and the other end of turning set can circumferentially be fixedly linked with the screw mandrel of valve 13.
Turn adjusting screw(rod) 11 clamping disk(-sc) 1 is moved axially, thereby can guarantee the screw mandrel valve core axis and the gear 5 axis conllinear of valve 13.
Control gear can control piston bar sliding stroke, has promptly controlled the stroke of tooth bar 4 longitudinal sliding motions.Control gear comprises the solenoid valve that is connected with cylinder one 2 tracheaes and the time relay 12 that links to each other with solenoid valve and can control electromagnetic valve open and close.
The step of this device to test valve 13 is as follows: 1, calculate: valve 13 is threaded to full cut-off from standard-sized sheet, records the number of turns, calculate the stroke of tooth bar 4 then, thereby obtain cylinder one 2 ventilation required times and adjust the time relay 12 according to above-mentioned required time.2, fixed valve 13: regulate adjusting screw(rod) 11 and make the axis of valve 13 screw mandrels or spool and the axis conllinear of gear 5, open the ventilation switch cylinder 23 is clamped valve 13, and turning set is linked to each other with gear 5 with screw mandrel.3, test: open this device, cylinder one 2 piston rods are done flexible shuttling movement and are driven tooth bar 4 slips, and then tooth bar 4 driven gears 5 rotate and drive the turning set rotation, thereby turning set drives the screw mandrel or the spool of valve 13 and rotates synchronously, and the time relay is noted the running of having carried out several cycles altogether.Thus, the number of times that valve 13 is effectively opened, closed can be noted according to the time relay and carry out several cycles altogether and judge, and then judges the spool valve rod life-span conformance with standard whether in this valve.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: control gear comprises solenoid valve that is connected with cylinder one 2 tracheaes and the touching switch that is arranged on the cylinder 1, and solenoid valve and touching switch all are connected with PLC.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used frame 1 morely; Cylinder 1; Cylinder 23; Tooth bar 4; Gear 5; Support chip 6; Support wheel 7; Bearing 8; Clamping disk(-sc) 1; Clamping disk(-sc) 10; Adjusting screw(rod) 11; The time relay 12; Valve 13 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (9)
1. valve life testing device, comprise frame (1), be provided with the clamp system that the valve body of valve (13) can be fixed on the frame (1) on the frame (1), it is characterized in that, described frame (1) is provided with cylinder one (2) and the turning set that can link to each other with the screw mandrel of valve (13), be connected with tooth bar (4) on the piston rod of described cylinder one (2), be connected with the gear (5) that is meshed with above-mentioned tooth bar (4) on the described turning set; When the piston rod of cylinder one (2) is flexible can drive turning set rotate and on above-mentioned cylinder one (2), be connected with can control piston bar sliding stroke control gear.
2. valve life testing device according to claim 1 is characterized in that, described control gear comprises the solenoid valve that is connected with cylinder one (2) tracheae and the time relay (12) that links to each other with solenoid valve and can control electromagnetic valve open and close.
3. valve life testing device according to claim 1, it is characterized in that, described control gear comprises solenoid valve that is connected with cylinder one (2) tracheae and the touching switch that is arranged on the cylinder one (2), and described solenoid valve and touching switch all are connected with PLC.
4. valve life testing device according to claim 1 and 2 is characterized in that, described frame (1) is provided with support wheel (7), and the side of described support wheel (7) and tooth bar (4) downside lean.
5. valve life testing device according to claim 4, it is characterized in that, be fixed with support chip (6) on the described frame (1), the side of described support chip (6) is leaned on mutually with tooth bar (4) side, and above-mentioned support wheel (7) two ends are movably connected on the support chip (6).
6. valve life testing device according to claim 5 is characterized in that, described gear (5) two ends link to each other with frame (1) by bearing (8).
7. valve life testing device according to claim 1, it is characterized in that, described clamp system comprises clamping disk(-sc) one (9), clamping disk(-sc) two (10), cylinder two (3), described clamping disk(-sc) one (9) is fixed on the frame (1), the cylinder body of described cylinder two (3) is fixed on the frame (1), and piston rod is connected mutually with clamping disk(-sc) two (10) and makes clamping disk(-sc) two (10) relative with clamping disk(-sc) one (9).
8. valve life testing device according to claim 7 is characterized in that, described frame (1) is provided with adjusting screw(rod) (11), and above-mentioned clamping disk(-sc) one (9) is fixed on the adjusting screw(rod) (11).
9. according to claim 7 or 8 described valve life testing devices, it is characterized in that described clamping disk(-sc) one (9) is provided with the water inlet that can communicate with valve (13) inner chamber; Described clamping disk(-sc) two (10) is provided with the water delivering orifice that can communicate with valve (13) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101760422A CN101806672B (en) | 2010-05-18 | 2010-05-18 | Valve life testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101760422A CN101806672B (en) | 2010-05-18 | 2010-05-18 | Valve life testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101806672A CN101806672A (en) | 2010-08-18 |
| CN101806672B true CN101806672B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101760422A Expired - Fee Related CN101806672B (en) | 2010-05-18 | 2010-05-18 | Valve life testing device |
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| Country | Link |
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| CN (1) | CN101806672B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829969B (en) * | 2011-01-17 | 2014-12-03 | 卓旦春 | Valve pressure tester |
| CN102147314B (en) * | 2011-01-17 | 2013-01-30 | 卓旦春 | Valve pressure testing machine |
| CN102692316A (en) * | 2011-03-22 | 2012-09-26 | 海洋王照明科技股份有限公司 | Button switch fixing device for button switch life test |
| CN102401742B (en) * | 2011-08-27 | 2014-03-05 | 安徽沃巴弗电子科技有限公司 | Test platform for durability of angle sensor |
| CN103674529B (en) * | 2013-12-05 | 2016-01-20 | 苏州奔腾塑业有限公司 | A kind of torsion spring proving installation in serviceable life |
| CN103674536A (en) * | 2013-12-13 | 2014-03-26 | 济南玫德铸造有限公司 | Butterfly valve service life testing machine |
| WO2016049863A1 (en) * | 2014-09-30 | 2016-04-07 | 惠州市吉瑞科技有限公司 | Electronic cigarette thread torsion testing device |
| CN104502078A (en) * | 2014-12-15 | 2015-04-08 | 济南玫德铸造有限公司 | Service life tester for contact switch of signal valve |
| CN104502030B (en) * | 2015-01-07 | 2017-06-16 | 日丰企业集团有限公司 | Valve air tightness detection system |
| CN105115718A (en) * | 2015-09-24 | 2015-12-02 | 江南工业集团有限公司 | Stop valve life test system and test method for low-temperature heat-insulation gas cylinder |
| CN105334039B (en) * | 2015-11-27 | 2018-05-25 | 江南工业集团有限公司 | A kind of cryogenic insulated cylinder valve intelligent integrated test device and method |
| CN108061642B (en) * | 2017-07-24 | 2023-11-21 | 宁波方太厨具有限公司 | Valve body testing device |
| CN108051188A (en) * | 2017-10-30 | 2018-05-18 | 天津永升阀门有限公司 | A kind of experimental provision of novel valve switch |
| CN108152024B (en) * | 2017-12-18 | 2020-04-28 | 中国人民解放军总后勤部油料研究所 | Breather valve upset test device |
| CN109738180B (en) * | 2019-02-25 | 2024-05-03 | 中山环宇实业有限公司 | Ball valve switch handle rotation tester |
| CN112362339B (en) * | 2020-11-16 | 2023-09-26 | 上海廷本流体控制有限公司 | Life testing device for low-temperature valve with air filling port |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620864Y (en) * | 2002-12-30 | 2004-06-16 | 郑州市蝶阀厂 | Valve service life tester |
| CN2767994Y (en) * | 2004-04-16 | 2006-03-29 | 朱建忠 | Device for testing endurance life of electrical switch |
| CN2763790Y (en) * | 2005-01-04 | 2006-03-08 | 石家庄开发区中实检测设备有限公司 | Torsion sytem for valve torsion fatigue tester |
| CN201122125Y (en) * | 2007-10-31 | 2008-09-24 | 辉煌水暖集团有限公司 | Bathtub water nozzle switcher life testing device |
| CN101419145B (en) * | 2008-12-11 | 2010-12-22 | 济南试金集团有限公司 | Synchronization double-action flat-pushing hydraulic clamp |
-
2010
- 2010-05-18 CN CN2010101760422A patent/CN101806672B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101806672A (en) | 2010-08-18 |
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Owner name: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20130624 |
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Effective date of registration: 20130624 Address after: 317608 Zhejiang province addlupu town Yuhuan County Xuanmen industrial city Patentee after: Zhejiang world HVAC technology Co Ltd Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang woerda Copper Co. Ltd. Patentee before: Zhuo Danchun |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20110831 Termination date: 20180518 |