CN103438782A - Solenoid valve working stroke detection device - Google Patents
Solenoid valve working stroke detection device Download PDFInfo
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- CN103438782A CN103438782A CN2013103925141A CN201310392514A CN103438782A CN 103438782 A CN103438782 A CN 103438782A CN 2013103925141 A CN2013103925141 A CN 2013103925141A CN 201310392514 A CN201310392514 A CN 201310392514A CN 103438782 A CN103438782 A CN 103438782A
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- dial gauge
- sounding rod
- solenoid valve
- mount pad
- measuring head
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Abstract
A solenoid valve working stroke detection device comprises a measuring rod, a measuring rod installation seat, a dial indicator locking turnbuckle, a dial indicator, a fixing sleeve, a fastening lining and a workpiece locking turnbuckle. The measuring rod is hinged to the measuring rod installation seat through a hinge pin, the measuring rod installation seat is matched with the dial indicator locking turnbuckle, and the dial indicator locking turnbuckle is matched with the dial indicator. The measuring rod installation seat is sleeved with the fixing sleeve, the fastening lining is arranged at one end of the fixing sleeve in a matched mode, and the other end of the fixing sleeve is sleeved with the workpiece locking turnbuckle. The solenoid valve working stroke detection device not only is simple in structure, low in cost and convenient to operate, but also is reliable in test result, and solves the difficult problem of detecting the solenoid valve working stroke in the maintenance process of a solenoid valve.
Description
Technical field
The present invention relates to a kind of pick-up unit, especially a kind of pick-up unit be applicable to the test of solenoid valve impulse stroke, belong to test, field of measuring technique.
Background technology
Solenoid valve is the spool of solenoid valve, solenoid valve general using solenoid valve upper and lower (or left and right) moved on-off action, reach the purpose that fluid flow is controlled, therefore, the impulse stroke of solenoid valve is the important parameter of electromagnetic valve, be also magnetic valve performance test must survey project.
Because the solenoid valve assembly structure is complicated, quality of fit is higher, in the performance test process, adopt ordinary measring tool to be difficult to the test to the solenoid valve impulse stroke.The Chinese patent that number of patent application is 201210203011.0 discloses a kind of for automatically detecting the devices and methods therefor of valve core of the electromagnetic valve moving displacement.This device comprises workbench, solenoid valve fixed mount, sensor stand, stepper motor, high accuracy displacement sensor and input analysis and Control instrument.Be characterized in automatically the solenoid valve of putting into being fixed, and by sensor stand movably, sensor probe is extend into and detects position, by the step motor control sensing station, by high accuracy displacement sensor, detect the spool displacement after solenoid valve is switched on and complete by input analysis and Control instrument the output that whether qualified product is.Although the advantages such as this patent of invention has the testing process robotization, and efficiency is high, and testing result is reliable, time saving and energy saving, can provide safeguard for the full inspection of solenoid valve product; But its complex structure, manufacturing cost is higher, is unsuitable in the solenoid valve maintenance process test to the solenoid valve impulse stroke.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of simple in structure, with low cost, easy to operate, test result solenoid valve impulse stroke pick-up unit accurately and reliably is provided.
Problem of the present invention realizes with following technical proposals:
A kind of solenoid valve impulse stroke pick-up unit, it comprises sounding rod, sounding rod mount pad, dial gauge locking swivel nut, dial gauge, solid cover, tight bushing and workpiece locking swivel nut, described sounding rod is hinged by bearing pin and sounding rod mount pad, described sounding rod mount pad and dial gauge locking swivel nut are equipped, described dial gauge locking swivel nut and dial gauge coupling, the described solid outside that is sleeved on the sounding rod mount pad, admittedly overlap the equipped tight bushing of an end, other end outside suit workpiece locking swivel nut.
Above-mentioned solenoid valve impulse stroke pick-up unit, described sounding rod is the bascule structure, it take bearing pin as fulcrum, at its master arm one end, the first measuring head is set, the second measuring head is set on its slave arm, described the first measuring head, the second measuring head are spherical structure, by sounding rod and the first measuring head end points, the second measuring head end points and sounding rod pin shaft hole line, form two congruent triangles.
Above-mentioned solenoid valve impulse stroke pick-up unit, described sounding rod mount pad is provided with horizontal arm and vertical arm, described horizontal arm is provided with sounding rod loose slot and sounding rod mount pad pin shaft hole, described sounding rod loose slot and sounding rod mount pad pin shaft hole quadrature, described vertical arm is provided with the dial gauge mounting hole, one group of dial gauge locking elastic groove is set on dial gauge mounting hole sidewall, at the outside of vertical arm suit dial gauge locking swivel nut.
Above-mentioned solenoid valve impulse stroke pick-up unit, the contact of described dial gauge is planar contact, described planar contact and sounding rod the second measuring head coupling.
Above-mentioned solenoid valve impulse stroke pick-up unit, the described end that admittedly overlaps is provided with solid cover first internal thread equipped with tight bushing, be provided with solid cover second internal thread equipped with measuring workpieces admittedly overlap the other end, be provided with solid cover open slot at solid cover outside surface, described open slot and the vertical arm coupling of sounding rod mount pad of admittedly overlapping.
Above-mentioned solenoid valve impulse stroke pick-up unit, described tight bushing one end is provided with the tight bushing external thread, described tight bushing external thread with admittedly overlap the first internal thread coupling.
Above-mentioned solenoid valve impulse stroke pick-up unit, it also comprises dial gauge zeroing standard, described dial gauge zeroing standard is provided with dial gauge zeroing datum hole, the impulse stroke calibration value that described dial gauge zeroing datum hole depth H is measured workpiece.
The present invention utilizes the bascule structural principle of sounding rod, the impulse stroke of solenoid valve is converted to the measured value of dial gauge contact, and by the dial gauge dial gauge zeroing datum hole depth H on standard that returns to zero, dial gauge is returned to zero, can directly read the error amount of the impulse stroke of measuring workpieces solenoid valve like this, this measured value and standard-required are compared and can be judged whether measured workpiece meets the requirements; In structure of the present invention, the sounding rod mount pad arranges one group of dial gauge locking elastic groove on the dial gauge mounting hole sidewall of its vertical arm, and they coordinate dial gauge is fixed on the vertical arm of sounding rod mount pad with dial gauge locking swivel nut; The present invention coordinates with tight bushing the solenoid valve valve seat of sounding rod mount pad, sounding rod and measured workpiece is assembled together by solid cover, and be the planar contact structure consistent with the measured workpiece bottom surface by the dial gauge contact design, make spherical structure and measured workpiece bottom surface and the flat contact coupling of dial gauge of the first measuring head, the second measuring head, guaranteed the accuracy of measurement result.In a word, the present invention is not only simple in structure, with low cost, easy to operate, and reliable test result, has solved the difficult problem that in the solenoid valve maintenance process, the solenoid valve impulse stroke detects.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sounding rod structural representation;
Fig. 3 is the main cut-open view of sounding rod mount pad;
Fig. 4 is A-A sectional structure chart in Fig. 3;
Fig. 5 is B-B sectional structure chart in Fig. 4;
Fig. 6 is the dial gauge structural representation;
Fig. 7 is the main cut-open view of solid cover;
Fig. 8 is that the K of Fig. 7 is to view;
Fig. 9 is the tight bushing structural representation;
Figure 10 is fundamental diagram of the present invention;
Figure 11 is the present invention's working state schematic representation that returns to zero;
Figure 12 is surveying work view of the present invention.
In figure, each list of reference numerals is: 1, sounding rod, 1-1, the first measuring head, 1-2, the second measuring head, 1-3, the sounding rod pin shaft hole, 2, the sounding rod mount pad, 2-1, sounding rod mount pad pin shaft hole, 2-2, the dial gauge mounting hole, 2-3, dial gauge locking elastic groove, 2-4, the sounding rod loose slot, 3, dial gauge locking swivel nut, 4, dial gauge, 4-1, planar contact, 5, Gu cover, 5-1, admittedly overlap the first internal thread, 5-2, admittedly overlap the second internal thread, 5-3, admittedly overlap open slot, 6, tight bushing, 6-1, the tight bushing external thread, 7, workpiece locking swivel nut, 8, bearing pin, 9, dial gauge zeroing standard, 9-1, dial gauge zeroing datum hole, 10, measuring workpieces, 10-1, solenoid valve, 10-2, the solenoid valve valve seat.
Embodiment
Referring to Fig. 1, the present invention includes sounding rod 1, sounding rod mount pad 2, dial gauge locking swivel nut 3, dial gauge 4, admittedly overlap 5, tight bushing 6 and workpiece locking swivel nut 7, described sounding rod 1 is hinged by bearing pin 8 and sounding rod mount pad 2, described sounding rod mount pad 2 is equipped with dial gauge locking swivel nut 3, described dial gauge locking swivel nut 3 and dial gauge 4 couplings, describedly admittedly overlap 5 and be sleeved on the outside of sounding rod mount pad 2, admittedly overlap the equipped tight bushing 6 of an end, other end outside suit workpiece locking swivel nut 7; The present invention also comprises dial gauge zeroing standard 9, and described dial gauge zeroing standard 9 is provided with dial gauge zeroing datum hole 9-1, the impulse stroke calibration value that described dial gauge zeroing datum hole 9-1 depth H is measuring workpieces 10.
Referring to Fig. 2, sounding rod 1 of the present invention is lever construction, it take bearing pin 8 as fulcrum, at its master arm one end, the first measuring head 1-1 is set, the second measuring head 1-2 is set on its slave arm, described the first measuring head 1-1, the second measuring head 1-2 are spherical structure, by sounding rod 1 and the first measuring head 1-1 end points, the second measuring head 1-2 end points and sounding rod pin shaft hole 1-3 line, form two congruent triangles.
Referring to Fig. 3, Fig. 4, Fig. 5, sounding rod mount pad 2 of the present invention is provided with horizontal arm and vertical arm, described horizontal arm is provided with sounding rod loose slot 2-4 and sounding rod mount pad pin shaft hole 2-1, described sounding rod loose slot 2-4 and sounding rod mount pad pin shaft hole 2-1 quadrature (i.e. vertical crossing), described vertical arm is provided with dial gauge mounting hole 2-2, one group of dial gauge locking elastic groove 2-3 is set on the sidewall of dial gauge mounting hole 2-2, at the outside of vertical arm suit dial gauge locking swivel nut 3.
Referring to Fig. 6, the contact of dial gauge 4 of the present invention is planar contact 4-1, described planar contact 4-1 and sounding rod the second measuring head 1-2 coupling.
Referring to Fig. 7, Fig. 8, admittedly 5 one ends that overlap of the present invention are provided with solid cover the first internal thread 5-1 equipped with tight bushing, be provided with the solid cover second internal thread 5-2 equipped with measuring workpieces 10 admittedly overlap the other end, be provided with solid cover open slot 5-3 at solid cover outside surface, described open slot 5-3 and the vertical arm coupling of sounding rod mount pad of admittedly overlapping.
Referring to Fig. 9, tight bushing 6 one ends of the present invention are provided with tight bushing external thread 6-1, described tight bushing external thread 6-1 with admittedly overlap the first internal thread 5-1 coupling.
Referring to Figure 10, the present invention utilizes the bascule structural principle of sounding rod 1, form two congruent triangles by horizontal line, bearing pin 8 and the first measuring head 1-1 end points line, bearing pin 8 and the second measuring head 1-2 end points line, two right-angle side C of their correspondences and D's is equal in length, and the impulse stroke of the solenoid valve 10-1 of measuring workpieces 10 equates with the measured value of dial gauge contact.The present invention returns to zero to dial gauge by the dial gauge dial gauge zeroing datum hole 9-1 depth H on standard 9 that returns to zero, can directly read like this error amount of the solenoid valve 10-1 impulse stroke of measuring workpieces 10, this measured value and standard-required are compared and can be judged whether measuring workpieces 10 meets the requirements.
Referring to Figure 11, Figure 12, the course of work of the present invention is: by the solenoid valve valve seat 10-2 of measuring workpieces 10 and after admittedly overlapping the second internal thread 5-2 assembling, the first measuring head 1-1 of sounding rod 1 is extend in solenoid valve 10-1 hole, adjust the center that the first measuring head 1-1 is located at solenoid valve 10-1 bottom surface, with workpiece locking screw cover 7, both are tightened up, then dial gauge is returned to zero, the dial gauge standard 9 that returns to zero is put into to the pilot hole of solenoid valve valve seat 10-2 and manually compressed, now the first measuring head 1-1 of sounding rod 1 pushes up the dial gauge zeroing datum hole 9-1 bottom surface of dial gauge zeroing standard 9, and the second measuring head 1-2 of sounding rod 1 stirs the planar contact 4-1 of dial gauge 4, the reading of dial gauge is adjusted into to 0, the first measuring head 1-1 due to sounding rod 1, the second measuring head 1-2 equates with the distance of sounding rod pin shaft hole 1-3, so the first measuring head 1-1, the value of moving up and down of the second measuring head 1-2 is the same, during test, solenoid valve 10-1 is assembled in the pilot hole of solenoid valve valve seat 10-2, switch on power, electromagnet drives solenoid valve 10-1 and moves up, when upspringing, observes by the solenoid valve button dial gauge pointer situation of change, if dial gauge pointer registration is in solenoid valve impulse stroke error range, illustrate that measuring workpieces 10 meets technical requirement.
Claims (7)
1. a solenoid valve impulse stroke pick-up unit, it is characterized in that, it comprises sounding rod (1), sounding rod mount pad (2), dial gauge locking swivel nut (3), dial gauge (4), Gu cover (5), tight bushing (6) and workpiece locking swivel nut (7), described sounding rod (1) is hinged by bearing pin (8) and sounding rod mount pad (2), described sounding rod mount pad (2) is equipped with dial gauge locking swivel nut (3), described dial gauge locking swivel nut (3) and dial gauge (4) coupling, described solid cover (5) is sleeved on the outside of sounding rod mount pad (2), admittedly overlap the equipped tight bushing (6) of an end, other end outside suit workpiece locking swivel nut (7).
2. a kind of solenoid valve impulse stroke pick-up unit according to claim 1, it is characterized in that, described sounding rod (1) is lever construction, it take bearing pin (8) is fulcrum, at its master arm one end, the first measuring head (1-1) is set, the second measuring head (1-2) is set on its slave arm, described the first measuring head (1-1), the second measuring head (1-2) are spherical structure, by sounding rod (1) and the first measuring head (1-1) end points, the second measuring head (1-2) end points and sounding rod pin shaft hole (1-3) line, form two congruent triangles.
3. a kind of solenoid valve impulse stroke pick-up unit according to claim 1 and 2, it is characterized in that, described sounding rod mount pad (2) is provided with horizontal arm and vertical arm, described horizontal arm is provided with sounding rod loose slot (2-4) and sounding rod mount pad pin shaft hole (2-1), described sounding rod loose slot (2-4) and sounding rod mount pad pin shaft hole (2-1) quadrature, described vertical arm is provided with dial gauge mounting hole (2-2), one group of dial gauge locking elastic groove (2-3) is set on the sidewall of dial gauge mounting hole (2-2), at the outside of vertical arm suit dial gauge locking swivel nut (3).
4. a kind of solenoid valve impulse stroke pick-up unit according to claim 3, is characterized in that, the contact of described dial gauge (4) is planar contact (4-1), described planar contact (4-1) and sounding rod the second measuring head (1-2) coupling.
5. a kind of solenoid valve impulse stroke pick-up unit according to claim 4, it is characterized in that, described solid cover (5) one ends are provided with solid cover first internal thread (5-1) equipped with tight bushing, be provided with solid cover second internal thread (5-2) equipped with measuring workpieces (10) admittedly overlap the other end, be provided with solid cover open slot (5-3) at solid cover outside surface, described open slot (5-3) and the vertical arm coupling of sounding rod mount pad of admittedly overlapping.
6. a kind of solenoid valve impulse stroke pick-up unit according to claim 5, it is characterized in that, described tight bushing (6) one ends are provided with tight bushing external thread (6-1), described tight bushing external thread (6-1) with admittedly overlap the first internal thread (5-1) coupling.
7. a kind of solenoid valve impulse stroke pick-up unit according to claim 6, it is characterized in that, it also comprises dial gauge zeroing standard (9), described dial gauge zeroing standard (9) is provided with dial gauge zeroing datum hole (9-1), the impulse stroke calibration value that described dial gauge zeroing datum hole (9-1) depth H is measuring workpieces (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392514.1A CN103438782B (en) | 2013-09-02 | 2013-09-02 | Solenoid valve working stroke detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392514.1A CN103438782B (en) | 2013-09-02 | 2013-09-02 | Solenoid valve working stroke detection device |
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| CN103438782A true CN103438782A (en) | 2013-12-11 |
| CN103438782B CN103438782B (en) | 2015-02-11 |
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| CN201310392514.1A Active CN103438782B (en) | 2013-09-02 | 2013-09-02 | Solenoid valve working stroke detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043204A (en) * | 2015-05-26 | 2015-11-11 | 南京浦镇海泰制动设备有限公司 | Device and method for measuring lift value of valve |
| CN106670783A (en) * | 2016-12-12 | 2017-05-17 | 贵州红林机械有限公司 | Stroke adjusting device for electromagnetic valve |
| CN108981535A (en) * | 2017-05-31 | 2018-12-11 | 天津平高智能电气有限公司 | Contact displacement measurement method and its measuring device |
| CN109297449A (en) * | 2018-08-13 | 2019-02-01 | 东莞长盈精密技术有限公司 | The Probe-detection methods of probe in detecting auxiliary device and product bottom |
| CN109405697A (en) * | 2018-11-15 | 2019-03-01 | 中国人民解放军第五七二工厂 | A kind of device with centimeter check pipe sleeve sealing line position |
| CN109708553A (en) * | 2018-11-16 | 2019-05-03 | 中国航发西安动力控制科技有限公司 | The hydraulic testing apparatus of valve opening point can accurately be measured |
| CN110285737A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of diesel engine single body high-pressure oil pump ram travel measuring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813152A (en) * | 1987-09-14 | 1989-03-21 | Spencer Stephen C | Clearance gauge for setting a tool above a workpiece |
| US5454175A (en) * | 1994-03-07 | 1995-10-03 | Li; Kam K. | Internal caliper |
| CN201059945Y (en) * | 2007-06-07 | 2008-05-14 | 扬动股份有限公司 | Oil head height gauge of oil injector |
| CN201569394U (en) * | 2009-12-17 | 2010-09-01 | 无锡透平叶片有限公司 | Measuring instrument for measuring wall thickness of hollow work piece |
| CN102322779A (en) * | 2011-08-19 | 2012-01-18 | 洛阳Lyc轴承有限公司 | Measuring device for angular contact ball bearing outer ring hold depth and measuring method thereof |
| CN102338608A (en) * | 2011-08-25 | 2012-02-01 | 桂林福达曲轴有限公司 | Checking fixture for measuring axial dimension of crankshaft pin hole and detection method |
| CN102706249A (en) * | 2012-05-28 | 2012-10-03 | 天津博信汽车零部件有限公司 | Steering knuckle bearing clamping groove detection device |
-
2013
- 2013-09-02 CN CN201310392514.1A patent/CN103438782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813152A (en) * | 1987-09-14 | 1989-03-21 | Spencer Stephen C | Clearance gauge for setting a tool above a workpiece |
| US5454175A (en) * | 1994-03-07 | 1995-10-03 | Li; Kam K. | Internal caliper |
| CN201059945Y (en) * | 2007-06-07 | 2008-05-14 | 扬动股份有限公司 | Oil head height gauge of oil injector |
| CN201569394U (en) * | 2009-12-17 | 2010-09-01 | 无锡透平叶片有限公司 | Measuring instrument for measuring wall thickness of hollow work piece |
| CN102322779A (en) * | 2011-08-19 | 2012-01-18 | 洛阳Lyc轴承有限公司 | Measuring device for angular contact ball bearing outer ring hold depth and measuring method thereof |
| CN102338608A (en) * | 2011-08-25 | 2012-02-01 | 桂林福达曲轴有限公司 | Checking fixture for measuring axial dimension of crankshaft pin hole and detection method |
| CN102706249A (en) * | 2012-05-28 | 2012-10-03 | 天津博信汽车零部件有限公司 | Steering knuckle bearing clamping groove detection device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043204A (en) * | 2015-05-26 | 2015-11-11 | 南京浦镇海泰制动设备有限公司 | Device and method for measuring lift value of valve |
| CN106670783A (en) * | 2016-12-12 | 2017-05-17 | 贵州红林机械有限公司 | Stroke adjusting device for electromagnetic valve |
| CN108981535A (en) * | 2017-05-31 | 2018-12-11 | 天津平高智能电气有限公司 | Contact displacement measurement method and its measuring device |
| CN108981535B (en) * | 2017-05-31 | 2020-11-24 | 天津平高智能电气有限公司 | Contact displacement measuring method and measuring device thereof |
| CN109297449A (en) * | 2018-08-13 | 2019-02-01 | 东莞长盈精密技术有限公司 | The Probe-detection methods of probe in detecting auxiliary device and product bottom |
| CN109405697A (en) * | 2018-11-15 | 2019-03-01 | 中国人民解放军第五七二工厂 | A kind of device with centimeter check pipe sleeve sealing line position |
| CN109405697B (en) * | 2018-11-15 | 2024-06-04 | 中国人民解放军第五七二一工厂 | Device for detecting pipe sleeve sealing line position by dial indicator |
| CN109708553A (en) * | 2018-11-16 | 2019-05-03 | 中国航发西安动力控制科技有限公司 | The hydraulic testing apparatus of valve opening point can accurately be measured |
| CN109708553B (en) * | 2018-11-16 | 2020-10-16 | 中国航发西安动力控制科技有限公司 | Hydraulic test device capable of accurately measuring valve opening point |
| CN110285737A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of diesel engine single body high-pressure oil pump ram travel measuring device |
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| CN103438782B (en) | 2015-02-11 |
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