CN101799267A - Device and method for measuring symmetry of spindle keyways - Google Patents

Device and method for measuring symmetry of spindle keyways Download PDF

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Publication number
CN101799267A
CN101799267A CN201010127315A CN201010127315A CN101799267A CN 101799267 A CN101799267 A CN 101799267A CN 201010127315 A CN201010127315 A CN 201010127315A CN 201010127315 A CN201010127315 A CN 201010127315A CN 101799267 A CN101799267 A CN 101799267A
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China
Prior art keywords
bar
rotating shaft
ram
crossfoot
measuring
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CN201010127315A
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Chinese (zh)
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CN101799267B (en
Inventor
陈健康
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Shanghai Electric Group Shanghai Electric Machinery Co Ltd
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Shanghai Electric Group Shanghai Electric Machinery Co Ltd
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Priority to CN201010127315.4A priority Critical patent/CN101799267B/en
Publication of CN101799267A publication Critical patent/CN101799267A/en
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Abstract

The invention discloses a device and a method for measuring the symmetry of spindle keyways. The device comprises a gauge rod, a measuring ram, a bracket and a dial indicator or dial gage. The gauge rod consists of a cross gauge rod and a vertical gauge rod vertically connected at one end of the cross gauge rod, and takes the shape of an inverted L; the measuring ram is transversely movably installed on the cross gauge rod of the gauge rod and is locked on the cross gauge rod of the gauge rod through a first lock bolt; the bracket is vertically movably installed on the vertical gauge rod of the gauge rod and is locked on the vertical gauge rod of the gauge rod through a second lock bolt; and the dial indicator or dial gage is installed on the bracket through a third lock bolt. The device for measuring the symmetry of spindle keyways improves the measurement precision of the symmetry of spindle keyways and the measuring work efficiency, and the method is convenient. The device and the method solve the problem in conventional symmetry measurement of large spindle keyways.

Description

A kind of measurement mechanism and measuring method that is used for the rotating shaft keyway symmetry
Technical field
The present invention relates to a kind of measurement mechanism, be specifically related to a kind of measurement mechanism and measuring method that is used for the rotating shaft keyway symmetry.
Background technology
Often need to process keyway on the axial workpiece, some keyway technical requirement has the symmetry requirement than higher, and keyway symmetry can detect by special surveying instrument usually, also has the lathe of available processing keyway to carry out indirect detection.Special surveying instrument detects the nature accuracy of detection than higher, and purchase cost is higher, and has certain environment for use, the testing conditions harshness, and general manufacturer does not possess such testing conditions; Detect as the lathe with the processing keyway, then because of lathe itself has error, the data of measuring can not reflect the actual symmetry of keyway entirely truely, have certain error, need take lathe when detecting in addition, and it is very high to detect cost.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the present invention aims to provide a kind of measurement mechanism and measuring method that is used for the rotating shaft keyway symmetry, it can detect the keyway symmetry on the axle easy, exactly, to improve the efficient of large-scale rotating shaft keyway symmetry measuring accuracy and surveying work, reduce the cost of surveying work.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of measurement mechanism that is used for the rotating shaft keyway symmetry, and comprise the chi bar, measure ram, support, dial gauge or clock gauge, wherein:
Described chi bar is made of crossfoot bar and the ruler bar that is vertically connected on crossfoot bar one end, is inverted L shaped;
Described measurement ram can horizontal be installed on the crossfoot bar of described chi bar movably, and is locked in by one first lock-screw on the crossfoot bar of described chi bar;
Described support can be installed on the ruler bar of described chi bar up or down, and is locked in by one second lock-screw on the ruler bar of described chi bar;
Described dial gauge or clock gauge are installed on the described support by the 3rd lock-screw.
The above-mentioned measurement mechanism that is used for the rotating shaft keyway symmetry, wherein: be equipped with size scale on the surface of described crossfoot bar and ruler bar.
The another kind of technical scheme that realizes above-mentioned purpose is: a kind of measuring method that is used for the rotating shaft keyway symmetry, be executed in above-mentioned measurement mechanism, and described measuring method may further comprise the steps:
Step 1 selects width to be slightly less than the measurement ram of described rotating shaft width of keyway;
Step 2 keeps described rotating shaft keyway vertically upward earlier, then will measure ram and be inserted in the rotating shaft keyway, and will measure the trough rim that ram leans against near described ruler bar one side of rotating shaft keyway, and the base of measuring ram is against on the base of rotating shaft keyway;
Step 3, move horizontally the crossfoot bar earlier and move up and down described support simultaneously, make the measuring head of described dial gauge or clock gauge aim at cylindrical point of contact on the horizontal center line of rotating shaft, then be locked in respectively on the crossfoot bar and ruler bar of chi bar measuring ram and support, read and write down the measured value on dial gauge or the clock gauge this moment, finishes for the first time and measure;
Step 4, keep to measure the position of ram and support and with measurement mechanism along continuous straight runs Rotate 180 °, again described measurement ram is leaned against the opposite side trough rim in the rotating shaft keyway, the base of measuring ram is against on the base of rotating shaft keyway, read and write down the measured value on dial gauge or the clock gauge this moment, finishes for the second time and measure;
Step 5, for the first time measured value carries out arithmetic mean with measured value for the second time, just can obtain the accurate measured value of the symmetry of described rotating shaft keyway.
After having adopted the technical scheme of measurement mechanism that is used for the rotating shaft keyway symmetry of the present invention and measuring method, can detect the spindle keyway symmetry easy, exactly, and method is simple, and versatility is very big, does not take lathe during detection, all can detect any time, belong to the direct method of measurement, use cost is very low, makes the measuring accuracy of large-scale and super-huge rotating shaft keyway symmetry be much improved, its measuring accuracy can improve more than 80%, makes product quality guaranteed.
Description of drawings
Fig. 1 is the structural representation that is used for the measurement mechanism of rotating shaft keyway symmetry of the present invention.
Embodiment
In order to understand technical scheme of the present invention better, also be described in detail in conjunction with the accompanying drawings below by specific embodiment.
See also Fig. 1, the measurement mechanism that is used for the rotating shaft keyway symmetry of the present invention comprises chi bar 2, measures ram 3, support 4 and dial gauge or clock gauge 5, wherein,
Chi bar 2 is made of crossfoot bar 21 and the ruler bar 22 that is vertically connected on crossfoot bar 21 1 ends, is inverted L shaped; Be equipped with size scale 23 on the crossfoot bar 21 of chi bar 2 and the ruler bar 22,
Measuring ram 3 can horizontal be installed on the crossfoot bar 21 of chi bar 2 movably, and is locked in by one first lock-screw 30 on the crossfoot bar 21 of chi bar 2;
Support 4 can be installed on the ruler bar 22 of chi bar 2 up or down, and is locked in by one second lock-screw 40 on the ruler bar 22 of chi bar 2;
Dial gauge or clock gauge 5 are installed on the support 4 by the 3rd lock-screw 50.
The measuring method that is used for the rotating shaft keyway symmetry of the present invention may further comprise the steps:
Step 1 selects width to be slightly less than the measurement ram 3 of rotating shaft keyway 10 width;
Step 2 keeps rotating shaft keyway 10 vertically upward earlier, then will measure ram 3 and be inserted in the rotating shaft keyway 10, and will measure the trough rim that ram 3 leans against nearly ruler bar 22 1 sides of rotating shaft keyway 10, and the base of measuring ram 3 is against on the base of rotating shaft keyway 10;
Step 3, move horizontally crossfoot bar 21 earlier and move up and down support 4 simultaneously, make the measuring head of dial gauge or clock gauge 5 aim at cylindrical point of contact on the horizontal center line of rotating shaft 1, then be locked on the crossfoot bar 21 and ruler bar 22 of chi bar 2 measuring ram 3 and support 4 by first lock-screw 30 and second lock-screw 40 respectively, read and write down the measured value on dial gauge or the clock gauge 5 this moment, finishes for the first time and measure;
Step 4, keep to measure the position of ram 3 and support 4 and with measurement mechanism along continuous straight runs Rotate 180 °, to measure ram 3 again and lean against opposite side trough rim in the rotating shaft keyway 10, the base of measuring ram 3 is against on the base of rotating shaft keyway 10, read and write down the measured value on dial gauge or the clock gauge 5 this moment, finishes for the second time and measure;
Step 5, for the first time measured value carries out arithmetic mean with measured value for the second time, just can obtain the accurate measured value of rotating shaft keyway 10 symmetries.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.

Claims (3)

1. a measurement mechanism that is used for the rotating shaft keyway symmetry comprises the chi bar, measures ram, support, dial gauge or clock gauge, it is characterized in that:
Described chi bar is made of crossfoot bar and the ruler bar that is vertically connected on crossfoot bar one end, is inverted L shaped;
Described measurement ram can horizontal be installed on the crossfoot bar of described chi bar movably, and is locked in by one first lock-screw on the crossfoot bar of described chi bar;
Described support can be installed on the ruler bar of described chi bar up or down, and is locked in by one second lock-screw on the ruler bar of described chi bar;
Described dial gauge or clock gauge are installed on the described support by the 3rd lock-screw.
2. the measurement mechanism that is used for the rotating shaft keyway symmetry according to claim 1 is characterized in that: be equipped with size scale on the surface of described crossfoot bar and ruler bar.
3. a measuring method that is used for the rotating shaft keyway symmetry is executed in aforesaid right requirement 1 described measurement mechanism, it is characterized in that described measuring method may further comprise the steps:
Step 1 selects width to be slightly less than the measurement ram of described rotating shaft width of keyway;
Step 2 keeps described rotating shaft keyway vertically upward earlier, then will measure ram and be inserted in the rotating shaft keyway, and will measure the trough rim that ram leans against near described ruler bar one side of rotating shaft keyway, and the base of measuring ram is against on the base of rotating shaft keyway;
Step 3, move horizontally the crossfoot bar earlier and move up and down described support simultaneously, make the measuring head of described dial gauge or clock gauge aim at cylindrical point of contact on the horizontal center line of rotating shaft, then be locked in respectively on the crossfoot bar and ruler bar of chi bar measuring ram and support, read and write down the measured value on dial gauge or the clock gauge this moment, finishes for the first time and measure;
Step 4, keep to measure the position of ram and support and with measurement mechanism along continuous straight runs Rotate 180 °, again described measurement ram is leaned against the opposite side trough rim in the rotating shaft keyway, the base of measuring ram is against on the base of rotating shaft keyway, read and write down the measured value on dial gauge or the clock gauge this moment, finishes for the second time and measure;
Step 5, for the first time measured value carries out arithmetic mean with measured value for the second time, just can obtain the accurate measured value of the symmetry of described rotating shaft keyway.
CN201010127315.4A 2010-03-19 2010-03-19 A kind of measurement mechanism for symmetry of rotary shaft key slot and measuring method Active CN101799267B (en)

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Application Number Priority Date Filing Date Title
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CN101799267B CN101799267B (en) 2015-09-23

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102252583A (en) * 2011-03-31 2011-11-23 桂林福达曲轴有限公司 Fixture for detecting symmetry degree of key slot of automobile engine crankshaft
CN102252582A (en) * 2011-04-27 2011-11-23 陈久智 Key groove detection tool
CN102589398A (en) * 2012-02-24 2012-07-18 桂林福达曲轴有限公司 Inspection device for measuring symmetry of crank journal pin hole to journal centre line and inspection method thereof
CN103411572A (en) * 2013-08-26 2013-11-27 成都添益天然气压缩机制造有限公司 Natural gas compressor piston rod runout measurement device
CN104439456A (en) * 2014-11-06 2015-03-25 上海电气集团上海电机厂有限公司 Method for processing two 180-degree distributed key grooves in shaft-extension end of large motor
CN107228615A (en) * 2017-06-07 2017-10-03 西安法士特汽车传动有限公司 A kind of outer singly-bound symmetry measurement apparatus of axle and measuring method
CN109827498A (en) * 2019-01-30 2019-05-31 上海新莲泵阀有限公司 The rapid measurement device of components symmetry
CN112097709A (en) * 2020-09-16 2020-12-18 江苏理工学院 Detection apparatus for keyway and height hole are measured

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1097888A1 (en) * 1982-09-27 1984-06-15 Рязанский Филиал Государственного Проектно-Технологического И Экспериментального Института "Оргстанкинпром" Device for measuring symmetry of shaft key slot
CN87200753U (en) * 1987-01-23 1987-11-04 天津发电设备厂 Measuring apparatus for symmetry of shaft key groove
CN86202782U (en) * 1986-04-28 1987-12-23 董锡翰 Symmetrical characteristic detector for axial key groove
SU1525430A1 (en) * 1987-09-18 1989-11-30 В. А. Озерский Device for measuring symmetry of shaft key slot
SU1585646A1 (en) * 1988-02-16 1990-08-15 Научно-Производственное Объединение "Внииредуктор" Device for checking symmetry of key slot of cylindrical shaft
RU1789849C (en) * 1987-09-08 1993-01-23 Научно-Производственное Объединение По Комплексному Технологическому Проектированию Станкостроительных Предприятий "Оргстанкимпром" Device for checking symmetry of keyway relative to shaft axis
CN201212801Y (en) * 2008-06-25 2009-03-25 天津三五二二工厂 Axle keyway symmetry detector
CN101393004A (en) * 2006-12-27 2009-03-25 刘其和 Special caliper for shaft key groove
CN201421320Y (en) * 2009-04-20 2010-03-10 无锡市中达电机有限公司 Motor rotating-shaft key-slot symmetry-degree measuring instrument
CN201680809U (en) * 2010-03-19 2010-12-22 上海电气集团上海电机厂有限公司 Device for measuring symmetry of rotary shaft key slot

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1097888A1 (en) * 1982-09-27 1984-06-15 Рязанский Филиал Государственного Проектно-Технологического И Экспериментального Института "Оргстанкинпром" Device for measuring symmetry of shaft key slot
CN86202782U (en) * 1986-04-28 1987-12-23 董锡翰 Symmetrical characteristic detector for axial key groove
CN87200753U (en) * 1987-01-23 1987-11-04 天津发电设备厂 Measuring apparatus for symmetry of shaft key groove
RU1789849C (en) * 1987-09-08 1993-01-23 Научно-Производственное Объединение По Комплексному Технологическому Проектированию Станкостроительных Предприятий "Оргстанкимпром" Device for checking symmetry of keyway relative to shaft axis
SU1525430A1 (en) * 1987-09-18 1989-11-30 В. А. Озерский Device for measuring symmetry of shaft key slot
SU1585646A1 (en) * 1988-02-16 1990-08-15 Научно-Производственное Объединение "Внииредуктор" Device for checking symmetry of key slot of cylindrical shaft
CN101393004A (en) * 2006-12-27 2009-03-25 刘其和 Special caliper for shaft key groove
CN201212801Y (en) * 2008-06-25 2009-03-25 天津三五二二工厂 Axle keyway symmetry detector
CN201421320Y (en) * 2009-04-20 2010-03-10 无锡市中达电机有限公司 Motor rotating-shaft key-slot symmetry-degree measuring instrument
CN201680809U (en) * 2010-03-19 2010-12-22 上海电气集团上海电机厂有限公司 Device for measuring symmetry of rotary shaft key slot

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102252583A (en) * 2011-03-31 2011-11-23 桂林福达曲轴有限公司 Fixture for detecting symmetry degree of key slot of automobile engine crankshaft
CN102252582A (en) * 2011-04-27 2011-11-23 陈久智 Key groove detection tool
CN102252582B (en) * 2011-04-27 2012-12-26 陈久智 Key groove detection tool
CN102589398A (en) * 2012-02-24 2012-07-18 桂林福达曲轴有限公司 Inspection device for measuring symmetry of crank journal pin hole to journal centre line and inspection method thereof
CN103411572A (en) * 2013-08-26 2013-11-27 成都添益天然气压缩机制造有限公司 Natural gas compressor piston rod runout measurement device
CN104439456A (en) * 2014-11-06 2015-03-25 上海电气集团上海电机厂有限公司 Method for processing two 180-degree distributed key grooves in shaft-extension end of large motor
CN107228615A (en) * 2017-06-07 2017-10-03 西安法士特汽车传动有限公司 A kind of outer singly-bound symmetry measurement apparatus of axle and measuring method
CN109827498A (en) * 2019-01-30 2019-05-31 上海新莲泵阀有限公司 The rapid measurement device of components symmetry
CN112097709A (en) * 2020-09-16 2020-12-18 江苏理工学院 Detection apparatus for keyway and height hole are measured
CN112097709B (en) * 2020-09-16 2021-11-16 江苏理工学院 Detection apparatus for keyway and height hole are measured

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