Wide-temperature-range high-precision shafting structure
The invention aims at providing a wide-temperature-range high-precision shafting structure so as to solve the problems that when an existing incubator rotary table shafting is in the temperature environment of -55 DEG C-120 DEG C, gaps of all parts of the shafting are reduced due to thermal expansio...
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| creator | LIU XIAOHUA ZHANG CHANGQING LIAO RUIZHEN LI DAQI |
| description | The invention aims at providing a wide-temperature-range high-precision shafting structure so as to solve the problems that when an existing incubator rotary table shafting is in the temperature environment of -55 DEG C-120 DEG C, gaps of all parts of the shafting are reduced due to thermal expansion and cold contraction of metal materials, bearing pre-tightening is too large, the shafting is blocked, and angle measurement is difficult. A wide-temperature-range high-precision shaft comprises a direct-current torque motor assembly (1), an angular contact ball bearing assembly (2), a right shaft(3), a middle ring frame (4), an inner ring frame (5), an angle measuring support (6), a circular inductosyn angle measuring assembly (7), a left shaft (8) and a locking nut (9). The wide-temperature-range high-precision shafting is high in rotation precision and low in manufacturing cost, the phenomenon that the shafting is blocked in high-temperature and low-temperature environments can be effectively avoided, and shaf |
| format | Patent |
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A wide-temperature-range high-precision shaft comprises a direct-current torque motor assembly (1), an angular contact ball bearing assembly (2), a right shaft(3), a middle ring frame (4), an inner ring frame (5), an angle measuring support (6), a circular inductosyn angle measuring assembly (7), a left shaft (8) and a locking nut (9). 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A wide-temperature-range high-precision shaft comprises a direct-current torque motor assembly (1), an angular contact ball bearing assembly (2), a right shaft(3), a middle ring frame (4), an inner ring frame (5), an angle measuring support (6), a circular inductosyn angle measuring assembly (7), a left shaft (8) and a locking nut (9). The wide-temperature-range high-precision shafting is high in rotation precision and low in manufacturing cost, the phenomenon that the shafting is blocked in high-temperature and low-temperature environments can be effectively avoided, and shaf</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>TESTING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAIz0xJ1S1JzS1ILUosKS1K1S1KzEtPVcjITM_QLShKTc4szszPUyjOSEwrycxLVyguKSpNBqnjYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GhkYmJsZmxmaOxsSoAQBSqy73</recordid><startdate>20210305</startdate><enddate>20210305</enddate><creator>LIU XIAOHUA</creator><creator>ZHANG CHANGQING</creator><creator>LIAO RUIZHEN</creator><creator>LI DAQI</creator><scope>EVB</scope></search><sort><creationdate>20210305</creationdate><title>Wide-temperature-range high-precision shafting structure</title><author>LIU XIAOHUA ; ZHANG CHANGQING ; LIAO RUIZHEN ; LI DAQI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN112443636A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>TESTING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>LIU XIAOHUA</creatorcontrib><creatorcontrib>ZHANG CHANGQING</creatorcontrib><creatorcontrib>LIAO RUIZHEN</creatorcontrib><creatorcontrib>LI DAQI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIU XIAOHUA</au><au>ZHANG CHANGQING</au><au>LIAO RUIZHEN</au><au>LI DAQI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Wide-temperature-range high-precision shafting structure</title><date>2021-03-05</date><risdate>2021</risdate><abstract>The invention aims at providing a wide-temperature-range high-precision shafting structure so as to solve the problems that when an existing incubator rotary table shafting is in the temperature environment of -55 DEG C-120 DEG C, gaps of all parts of the shafting are reduced due to thermal expansion and cold contraction of metal materials, bearing pre-tightening is too large, the shafting is blocked, and angle measurement is difficult. A wide-temperature-range high-precision shaft comprises a direct-current torque motor assembly (1), an angular contact ball bearing assembly (2), a right shaft(3), a middle ring frame (4), an inner ring frame (5), an angle measuring support (6), a circular inductosyn angle measuring assembly (7), a left shaft (8) and a locking nut (9). The wide-temperature-range high-precision shafting is high in rotation precision and low in manufacturing cost, the phenomenon that the shafting is blocked in high-temperature and low-temperature environments can be effectively avoided, and shaf</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TESTING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Wide-temperature-range high-precision shafting structure |
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