CN104614311A - Torsional mechanism suitable for low-frequency mechanical spectrum meter and used for adjusting position of sample - Google Patents
Torsional mechanism suitable for low-frequency mechanical spectrum meter and used for adjusting position of sample Download PDFInfo
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- CN104614311A CN104614311A CN201510015623.0A CN201510015623A CN104614311A CN 104614311 A CN104614311 A CN 104614311A CN 201510015623 A CN201510015623 A CN 201510015623A CN 104614311 A CN104614311 A CN 104614311A
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- rotating shaft
- flange sleeve
- low frequency
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- frequency mechanical
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Abstract
The invention relates to a torsional mechanism suitable for a low-frequency mechanical spectrum meter and used for adjusting the position of a sample. The torsional mechanism comprises a rotating shaft; the rotating shaft is placed vertically; a flange sleeve and a driving gear are arranged at the upper end of the rotating shaft; the flange sleeve is arranged under the driving gear; a bearing, two groups of sealing layers and an adjusting nut are arranged on the rotating shaft from top down in sequence, and are all arranged in the flange sleeve; the upper end of the bearing is positioned through a shaft shoulder in the flange sleeve; the adjusting nut is in threaded connection with the flange sleeve, and used for fixing the bearing and the groups of sealing layers; a knob is arranged at the lower end of the rotating shaft; during work, the flange sleeve is mounted on a panel. Through the adoption of the torsional mechanism, the position of the sample can be adjusted conveniently through manual operation, and the work efficiency is improved.
Description
Technical field
The present invention relates to specimen holder manufacturing technology field, refer in particular to a kind of twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer.
Background technology
The measurement of Low Frequency Internal Friction completes in low frequency mechanical spectrometer, be the one end of erectting is fixed, one end freely rectangular sample add the very little stress of a circulation from free end, then measure the amplitude decay of sample or the response lag phase angle in stress to measure Internal friction.The amplitude of sample vibration is that light that the mirror by being arranged on vertical pendulum bar receives reflexes to and photoelectric cell demarcates and detects, in measuring process each Internal friction measurement before need light evenly to adjust to photronic both sides by stepper motor, and the prerequisite of the control photoelectric cell position of stepper motor is that specularly reflected jiong light is still in photronic range of receiving, but after replacing sample, the position of vertical pendulum bar mirror is difficult to and photronic location matches, need manually to be adjusted by a mechanism, for this reason, we have developed a kind of twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer, simple to operate, thus improve work efficiency.
Summary of the invention
The present invention seeks to provide a kind of twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution used in the present invention is: a kind of twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer, comprises rotating shaft; Described rotating shaft is vertically placed, and its upper end is provided with flange sleeve, driving gear; Described flange sleeve is arranged on the downside of driving gear; Described rotating shaft is provided with from top to bottom successively bearing, two groups of sealants and adjusting nut; Described bearing, two groups of sealants and adjusting nut are all arranged on the inside of flange sleeve; The upper end of described bearing is by the shaft shoulder location in flange sleeve; Described adjusting nut and flange sleeve are threaded, for solid bearing, two groups of sealants; The lower end of described rotating shaft is provided with knob; During work, described flange sleeve is arranged on panel.
Preferably, the upper end of described rotating shaft is connected by holding screw with driving gear, and the half of described holding screw is arranged in rotating shaft, and second half is arranged on driving gear.
Preferably, described flange sleeve is fixed in rotating shaft by the shaft shoulder in rotating shaft and driving gear.
Preferably, the junction of described flange sleeve and driving gear is provided with corresponding boss.
Preferably, described sealant of often organizing comprises metal dottle pin and O-ring seal, and described metal dottle pin is arranged on the below of O-ring seal; The outer ring of described O-ring seal and inner ring respectively with the inwall interference fit of rotating shaft and flange sleeve, the inner ring of described metal dottle pin and rotating shaft clearance fit.
Preferably, the lower end on described adjusting nut surface is also provided with two sections of symmetrical platforms.
Preferably, the cooperation place of described rotating shaft and knob is provided with one section of first plane; The upper end on the surface of described knob is provided with screw, and the bottom surface of described screw and the first flat face touch, and are fixed in rotating shaft by knob by friction force.
Preferably, the upside on described flange sleeve surface is provided with annular boss, is provided with set nut on the downside of it; Described flange sleeve is fixed on panel by annular boss and set nut.
Preferably, described flange sleeve is connected by threaded engagement with set nut.
Preferably, the junction of described annular boss and panel is also provided with sealing gasket.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, adjust the position of vertical pendulum bar by manual operation easily, make the specularly reflected jiong illumination of vertical pendulum bar be mapped to the scope of photoelectric cell reception;
2, be provided with sealant, make sample in the environment of vacuum, also can operate twist mechanism and measure Low Frequency Internal Friction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the general structure schematic diagram being applicable to the twist mechanism of the adjustment sample position of low frequency mechanical spectrometer of the present invention;
Accompanying drawing 2 is the structural representation after the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer of the present invention is installed;
Wherein: 1, rotating shaft; 2, driving gear; 3, flange sleeve; 4, knob; 5, set nut; 6, bearing; 7, metal dottle pin; 8, O-ring seal; 9, holding screw; 10, adjusting nut; 11, screw; 12, sealing gasket; 13, panel; 14, follower gear; 15, vertical pendulum bar; 16, photoelectric cell; 17, support.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-2 is the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer of the present invention, comprises rotating shaft 1; Described rotating shaft 1 is vertically placed; The upper end of described rotating shaft 1 is provided with flange sleeve 3, driving gear 2, and described rotating shaft 1 is connected by holding screw 9 with driving gear 2, and the half of described holding screw 9 is arranged in rotating shaft 1, and second half is arranged on driving gear 2; Described flange sleeve 3 is fixed in rotating shaft 1 by the shaft shoulder in rotating shaft 1 and driving gear 2, and the junction of described flange sleeve 3 and driving gear 2 is provided with corresponding boss, reduces the wearing and tearing of driving gear 2 bottom surface and flange sleeve 3 when rotating; Described rotating shaft 1 is provided with from top to bottom successively bearing 6, two groups of sealants and adjusting nut 10; Described bearing 6, two groups of sealants and adjusting nut 10 are all arranged on the inside of flange sleeve 3; The upper end of described bearing 6 is by the shaft shoulder location in flange sleeve 3; Described sealant of often organizing comprises metal dottle pin 7 and O-ring seal 8, and described metal dottle pin 7 is arranged on the below of O-ring seal 8; The outer ring of described O-ring seal 8 and inner ring respectively with the inwall interference fit of rotating shaft 1 and flange sleeve 3, the inner ring of described metal dottle pin 7 and rotating shaft 1 clearance fit; Described adjusting nut 10 and flange sleeve 3 are threaded, for solid bearing, two groups of sealants; The lower end on described adjusting nut 10 surface is also provided with two sections of symmetrical platforms, and instrument easy to use regulates the tight ness rating of O-ring seal 8 and axle body and flange sleeve 3; The upper end on described rotating shaft 1 surface is provided with knob 4, and described rotating shaft 1 is provided with one section of first plane with the cooperation place of knob 4; The upper end face of described knob 4 is provided with screw 11, and the bottom surface of described screw 11 and the first flat face touch, and are fixed in rotating shaft 1 by friction force by knob 4; The upside on described flange sleeve 3 surface is provided with annular boss, is provided with set nut 5 on the downside of it; Described flange sleeve 3 is connected by threaded engagement with set nut 5; During work, described flange sleeve 3 is arranged on panel 13, and described flange sleeve 3 is fixed on panel 13 by annular boss and set nut 5, and driving gear 2 and follower gear 14 are intermeshed; The junction of described annular boss and panel 13 is also provided with sealing gasket 12.
During use: manual rotation knob 4, by the friction force of screw 11 with rotating shaft 1, rotating shaft 1 is made to drive rotation driving gear 2 to rotate, the follower gear 12 be arranged on sample holder 17 is driven to rotate by driving gear 2, drive vertical pendulum bar 7 to rotate by follower gear 12 again, make mirror adjust to the position of mating with photoelectric cell 16.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
1, adjust the position of vertical pendulum bar by manual operation easily, make the specularly reflected jiong illumination of vertical pendulum bar be mapped to the scope of photoelectric cell reception;
2, be provided with sealant, make sample in the environment of vacuum, also can operate twist mechanism and measure Low Frequency Internal Friction.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within rights protection scope of the present invention.
Claims (10)
1. be applicable to a twist mechanism for the adjustment sample position of low frequency mechanical spectrometer, it is characterized in that: comprise rotating shaft; Described rotating shaft is vertically placed, and its upper end is provided with flange sleeve, driving gear; Described flange sleeve is arranged on the downside of driving gear; Described rotating shaft is provided with from top to bottom successively bearing, two groups of sealants and adjusting nut; Described bearing, two groups of sealants and adjusting nut are all arranged on the inside of flange sleeve; The upper end of described bearing is by the shaft shoulder location in flange sleeve; Described adjusting nut and flange sleeve are threaded, for solid bearing, two groups of sealants; The lower end of described rotating shaft is provided with knob; During work, described flange sleeve is arranged on panel.
2. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, it is characterized in that: the upper end of described rotating shaft is connected by holding screw with driving gear, the half of described holding screw is arranged in rotating shaft, and second half is arranged on driving gear.
3. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: described flange sleeve is fixed in rotating shaft by the shaft shoulder in rotating shaft and driving gear.
4. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: the junction of described flange sleeve and driving gear is provided with corresponding boss.
5. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: described sealant of often organizing comprises metal dottle pin and O-ring seal, and described metal dottle pin is arranged on the below of O-ring seal; The outer ring of described O-ring seal and inner ring respectively with the inwall interference fit of rotating shaft and flange sleeve, the inner ring of described metal dottle pin and rotating shaft clearance fit.
6. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: the lower end on described adjusting nut surface is also provided with two sections of symmetrical platforms.
7. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: the cooperation place of described rotating shaft and knob is provided with one section of first plane; The upper end on the surface of described knob is provided with screw, and the bottom surface of described screw and the first flat face touch, and are fixed in rotating shaft by knob by friction force.
8. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: the upside on described flange sleeve surface is provided with annular boss, is provided with set nut on the downside of it; Described flange sleeve is fixed on panel by annular boss and set nut.
9. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: described flange sleeve is connected by threaded engagement with set nut.
10. the twist mechanism being applicable to the adjustment sample position of low frequency mechanical spectrometer according to claim 1, is characterized in that: the junction of described annular boss and panel is also provided with sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015623.0A CN104614311B (en) | 2015-01-13 | 2015-01-13 | A kind of twist mechanism of adjustment sample position suitable for low frequency mechanical spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015623.0A CN104614311B (en) | 2015-01-13 | 2015-01-13 | A kind of twist mechanism of adjustment sample position suitable for low frequency mechanical spectrometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104614311A true CN104614311A (en) | 2015-05-13 |
| CN104614311B CN104614311B (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510015623.0A Active CN104614311B (en) | 2015-01-13 | 2015-01-13 | A kind of twist mechanism of adjustment sample position suitable for low frequency mechanical spectrometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655821A (en) * | 2017-11-14 | 2018-02-02 | 苏州市职业大学 | Change the frequency modulation bascule of free damping frequency in a kind of low frequency mechanical spectrometer |
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| SU1392443A1 (en) * | 1986-07-24 | 1988-04-30 | Центральный Научно-Исследовательский Институт Строительных Конструкций Им.В.А.Кучеренко | Device for torsion testing of samples |
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| CN203672674U (en) * | 2013-12-20 | 2014-06-25 | 江苏江分电分析仪器有限公司 | Zero setting and flow controlling device of automatic gas sampler |
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2015
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| CN2041815U (en) * | 1988-08-18 | 1989-07-26 | 东北工学院 | Multifunction "ge shi" pendulum |
| US6167745B1 (en) * | 1997-08-23 | 2001-01-02 | Pcs Limited | Testing apparatus |
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| CN203672674U (en) * | 2013-12-20 | 2014-06-25 | 江苏江分电分析仪器有限公司 | Zero setting and flow controlling device of automatic gas sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655821A (en) * | 2017-11-14 | 2018-02-02 | 苏州市职业大学 | Change the frequency modulation bascule of free damping frequency in a kind of low frequency mechanical spectrometer |
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| Publication number | Publication date |
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| CN104614311B (en) | 2018-02-06 |
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