CN202158825U - Measuring apparatus for measuring OD tolerance of cirque body - Google Patents
Measuring apparatus for measuring OD tolerance of cirque body Download PDFInfo
- Publication number
- CN202158825U CN202158825U CN2011202214083U CN201120221408U CN202158825U CN 202158825 U CN202158825 U CN 202158825U CN 2011202214083 U CN2011202214083 U CN 2011202214083U CN 201120221408 U CN201120221408 U CN 201120221408U CN 202158825 U CN202158825 U CN 202158825U
- Authority
- CN
- China
- Prior art keywords
- place kick
- measuring
- balancing stand
- measurement mechanism
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A measuring apparatus for measuring the OD tolerance of a cirque body comprises a measuring instrument (5), a first positioning ball (1), a positioning sleeve (2), a pressure spring (3), a cover plate (4), a measuring rod (6), a balance support (7), a second positioning ball (8), a stop collar (9) and a radially moving positioning ball (10). The spacing between the centers of first positioning ball and the of the second positioning ball fixed on the two ends of the balance support is C, a height difference between the connecting line of the middle point of the balance support and the lowest point of the radially moving positioning ball and the connecting line of the lowest points of the first positioning ball and the second positioning ball is h, and the radius r of the cirque body is obtained according to the equation h=r-1/2(4r<2>-C<2>)<1/2>. The measuring instrument is connected with the measuring rod via the cover plate, the positioning sleeve and the pressure spring, and the difference between the measuring value read from the measuring instrument and the absolute value of an original value is the tolerance of the outer diameter 2r of the cirque body. The measuring apparatus is simple in structure, portable, and convenient and fast in measuring.
Description
Technical field
The utility model belongs to the survey instrument technical field and relates to, and refers more particularly to a kind of measurement mechanism of measuring torus external diameter tolerance.
Background technology
Torus for than big specification adopts pipe chi or outside micrometer usually like the external diameter tolerance of enclosing class, cover class, bearing class; The measuring accuracy of torus external diameter nominal size deviation and accuracy are directly connected to the toric each item performance index of finished product, also are related to the tolerance on fit that replaces the spare parts mutually with torus.
The measuring accuracy of pipe chi is lower, needs two people to cooperate completion during measurement, and labor capacity is bigger, and work efficiency is lower.The measurement of outside micrometer belongs to indirect measurement, and measuring error is bigger.
Summary of the invention
For addressing the above problem; The utility model has designed a kind of measurement mechanism of measuring torus external diameter tolerance; This measurement mechanism can improve the measurement accuracy and the degree of accuracy of toric external diameter tolerance; And can improve the work efficiency of measurement, measurement mechanism has simple in structure, is prone to the characteristics of adjustment.
For realizing the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of measurement mechanism of measuring torus external diameter tolerance; Toric external diameter is set at 2r, and r is toric radius, and this measurement mechanism includes measurement instrument; Said measurement instrument or dial gauge; Or clock gauge, the measuring accuracy of its measurement mechanism is 0.01mm when said measurement instrument is dial gauge, the measuring accuracy of its measurement mechanism is 0.001mm when said measurement instrument is clock gauge; Measurement mechanism also include first place kick, locating sleeve, stage clip, cover plate,, measuring staff, balancing stand, second place kick, stop collar and move radially place kick; Wherein the symcenter of balancing stand is provided with through hole; The said through hole of the two end distances center of balancing stand has the internal thread hole of equidistance C/2; Distance is C between two said internal thread holes at balancing stand two ends; Said internal thread hole overlaps through stepped bolt and adjustment or connects first place kick or connect second place kick; The diameter of first place kick equals the diameter of second place kick, and when first place kick and second place kick were fixed on the said internal thread hole at balancing stand two ends through said stepped bolt with the adjustment cover, line between two lowermost end points of first place kick and second place kick and balancing stand maintenance were parallel to each other; Cross-under has measuring staff in the said through hole of balancing stand; The lower end of measuring staff is connected with and can moves radially place kick with what measuring staff moved up and down through stop collar; The upper end of measuring staff is fixed on the balancing stand through locating sleeve and cover plate behind the configuration stage clip; Measurement instrument is screwed in the center pit of cover plate, end in contact on the gauge head of measurement instrument and the measuring staff; The diameter that moves radially place kick equals the diameter of first place kick or the diameter of second place kick, and the line that moves radially between two lowermost end points of horizontal line and first place kick and second place kick of place kick lowermost end point forms difference in height h.
Owing to adopt technical scheme as stated, the utlity model has following good effect:
1, the measurement mechanism of the utility model has simple in structurely, light, and operating personnel can measure easily and efficiently.
2, measuring staff reduces the measuring error of measurement mechanism because the position-limiting action of stage clip can keep excellent contact with the gauge head of measurement instrument.
3, first place kick and second place kick and move radially place kick steel part is can also to adopt silicon nitride material to process except that adopting are with the overall weight of reduction measurement mechanism, the serviceable life that the superior anti-wear performance of silicon nitride can improve measurement mechanism greatly.
4, the locating sleeve in the measurement mechanism, cover plate, measuring staff, balancing stand and stop collar can adopt aluminum alloy materials to process; Aluminium alloy is not only in light weight, good toughness; And rigidity and mechanical property all can satisfy the request for utilization of measurement mechanism, can further reduce the overall weight of measurement mechanism.
5, balancing stand can arbitrarily extend to regulate distance between first place kick and second place kick, can measure larger sized torus external diameter nominal size tolerance.
6, if the dial gauge that measurement mechanism is used changes clock gauge into, can make the measuring accuracy of measurement mechanism bring up to 0.001mm from 0.01mm.
Description of drawings
Fig. 1 is the structural representation of the utility model measurement mechanism;
Among Fig. 1: 1-first place kick; The 2-locating sleeve; The 3-stage clip; The 4-cover plate; The 5-measurement instrument; The 6-measuring staff; The 7-balancing stand; 8-the second place kick; 9-stop collar; 10-move radially place kick.
Embodiment
In conjunction with Fig. 1, the utility model is a kind of measurement mechanism of measuring torus external diameter tolerance, torus or circle type part, or cover type part, or bearing class.Toric external diameter is set at 2r; R is toric radius; This measurement mechanism includes measurement instrument 5, said measurement instrument 5 or dial gauge, or clock gauge; The measuring accuracy of its measurement mechanism is 0.01mm when said measurement instrument is dial gauge, and the measuring accuracy of its measurement mechanism is 0.001mm when said measurement instrument is clock gauge.
Measurement mechanism except that measurement instrument 5, also include first place kick 1, locating sleeve 2, stage clip 3, cover plate 4,, measuring staff 6, balancing stand 7, second place kick 8, stop collar 9 and move radially place kick 10.Measurement mechanism forms according to " confirming one section circular arc at 3 " principle design, has deferred to formula h=r-1/2 (4r
2-C
2)
1/2
The symcenter of balancing stand 7 is provided with through hole; The said through hole of the two end distances center of balancing stand 7 has the internal thread hole of equidistance C/2; Distance is C between two said internal thread holes at balancing stand 7 two ends; Said internal thread hole is through stepped bolt or connect first place kick 1 or connect second place kick 8; The diameter of first place kick 1 equals the diameter of second place kick 8; When first place kick 1 and second place kick 8 were fixed on the said internal thread hole at balancing stand 7 two ends through said stepped bolt, line between two lowermost end points of first place kick 1 and second place kick 8 and balancing stand 7 kept being parallel to each other, thereby and the adjustment nested structure size that is enclosed within the middle of each said stepped bolt equates to guarantee said being parallel to each other.
Above-mentioned first place kick 1 and second place kick 8 and move radially place kick 10 and except that adopting steel part, can also adopt silicon nitride material to process; To reduce the overall weight of measurement mechanism, the serviceable life that the superior anti-wear performance of silicon nitride can improve measurement mechanism greatly.
Above-mentioned balancing stand 7 can arbitrarily extend; Distance can be adjusted with torus external diameter size between two said internal thread holes at balancing stand 7 two ends; Adjusted spacing should guarantee that be C/2 for C also will guarantee each said internal thread hole apart from the centre distance of said through hole; Apart from also obtaining corresponding adjustment, can measure larger sized torus external diameter tolerance between first place kick that is fixed like this and second place kick.
Cross-under has measuring staff 6 in balancing stand 7 said through holes; The lower end of measuring staff 6 is connected with and can moves radially place kick 10 with what measuring staff 6 moved up and down through stop collar 9; The upper end of measuring staff 6 is fixed on the balancing stand 7 through locating sleeve 2 and cover plate 4 in configuration stage clip 3 backs; Measurement instrument 5 is screwed in the center pit of cover plate 4, end in contact on the gauge head of measurement instrument 5 and the measuring staff 6.
Above-mentioned measuring staff 6 can be delivered to tested numerical value on the measurement instrument 5, and the length of measuring staff 6 can be adjusted equally, to guarantee that stage clip 3 is in compacted all the time in the measuring process.Measuring staff 6 reduces the measuring error of measurement mechanism because the position-limiting action of stage clip 3 can keep excellent contact with the gauge head of measurement instrument 5.
Above-mentioned locating sleeve 2 is fixed on the balancing stand 7, and the internal diameter of locating sleeve 2 and measuring staff 2 diameters are complementary, and make moving up and down of measuring staff 2 more accurate.
Above-mentioned stage clip 3 is in impaction state all the time in measuring process, to guarantee that moving radially place kick 10 is close to toric external diameter end face.
Above-mentioned cover plate 4 is used for measurement instrument 5 is connected in the locating sleeve 2, and makes stage clip 3 be in impaction state.
The structure of above-mentioned said adjustment cover and the structural similarity of stop collar 9.
Locating sleeve 2 in the above-mentioned measurement mechanism, cover plate 4, measuring staff 6, balancing stand 7 and stop collar 9 can adopt aluminum alloy materials to process; Aluminium alloy is not only in light weight, good toughness; And rigidity and mechanical property all can satisfy the request for utilization of measurement mechanism, can further reduce the overall weight of measurement mechanism.
Can find out through above-mentioned analysis: measurement mechanism has simple in structure, light, and operating personnel can measure easily and efficiently.
The diameter that moves radially place kick 10 equals the diameter of first place kick 1 or the diameter of second place kick 8; Two lowermost end points that move radially place kick 10 lowermost end points and first place kick 1 and second place kick 8 have formed 3 points of the one section circular arc that coexists, and move radially the line formation difference in height h between two lowermost end points of place kick 10 lowermost end points and first place kick 1 and second place kick 8.
Before using measurement mechanism; The locating piece that an absolute altitude is put by elder generation on workbench be h; To move radially place kick 10 is placed on the locating piece; First place kick 1 contacts with workbench with second place kick 8, fully contacts the benchmark readout of back recording measuring instrument 5 in the gauge head and measuring staff 6 upper ends of measurement instrument 5, and this benchmark readout is labeled as original value.
During use; Be the toric chord length of 2r apart from equaling external diameter between two relatively-stationary first place kick 1 and second place kick 8 contact with the torus external diameter 2; The formed difference in height h of line that moves radially distance between horizontal line and of place kick 10 and torus external diameter contact point at said 2 equals the toric action that external diameter is 2r; This moment recording measuring instrument 5 the measurement readout; This measurement readout is labeled as measured value, and the difference of the absolute value of measured value and original value is the tolerance of torus external diameter nominal size, so far accomplishes measuring process.
Claims (1)
1. measurement mechanism of measuring torus external diameter tolerance; Toric external diameter is set at 2r, and r is toric radius, and this measurement mechanism includes measurement instrument (5); Said measurement instrument or dial gauge; Or clock gauge, when said measurement instrument (5) when being dial gauge the measuring accuracy of its measurement mechanism be 0.01mm, when said measurement instrument (5) when being clock gauge the measuring accuracy of its measurement mechanism be 0.001mm; It is characterized in that: measurement mechanism also includes first place kick (1), locating sleeve (2), stage clip (3), cover plate (4), measuring staff (6), balancing stand (7), second place kick (8), stop collar (9) and moves radially place kick (10); Wherein the symcenter of balancing stand (7) is provided with through hole; The said through hole of the two end distances center of balancing stand (7) has the internal thread hole of equidistance C/2; Distance is C between two said internal thread holes at balancing stand (7) two ends; Said internal thread hole overlaps through stepped bolt and adjustment or connects first place kick (1) or connect second place kick (8); The diameter of first place kick (1) equals the diameter of second place kick (8); When first place kick (1) and second place kick (8) were fixed on the said internal thread hole at balancing stand (7) two ends through said stepped bolt with the adjustment cover, line between two lowermost end points of first place kick (1) and second place kick (8) and balancing stand (7) maintenance were parallel to each other; Cross-under has measuring staff (6) in the said through hole of balancing stand (7); The lower end of measuring staff (6) is connected with and can moves radially place kick (10) with what measuring staff moved up and down through stop collar (9); The upper end of measuring staff (6) is fixed on the balancing stand (7) through locating sleeve (2) and cover plate (4) in configuration stage clip (3) back; Measurement instrument (5) is spun (4) in the center pit of cover plate, and the gauge head of measurement instrument (5) and measuring staff (6) are gone up end in contact; The diameter that moves radially place kick (10) equals the diameter of first place kick (1) or the diameter of second place kick (8), and the line that moves radially between two lowermost end points of horizontal line and first place kick (1) and second place kick (8) of place kick (10) lowermost end point forms difference in height h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202214083U CN202158825U (en) | 2011-06-28 | 2011-06-28 | Measuring apparatus for measuring OD tolerance of cirque body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202214083U CN202158825U (en) | 2011-06-28 | 2011-06-28 | Measuring apparatus for measuring OD tolerance of cirque body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158825U true CN202158825U (en) | 2012-03-07 |
Family
ID=45766460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202214083U Expired - Fee Related CN202158825U (en) | 2011-06-28 | 2011-06-28 | Measuring apparatus for measuring OD tolerance of cirque body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158825U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764431A (en) * | 2015-04-24 | 2015-07-08 | 江苏理工学院 | Online intelligent measuring device for inner and outer curvature radiuses of rolled plate rolled by plate rolling machine |
| CN105571457A (en) * | 2015-12-15 | 2016-05-11 | 洛阳轴研科技股份有限公司 | Ball bearing outer ring groove bottom diameter measurement device and measurement method |
| CN108387162A (en) * | 2018-02-13 | 2018-08-10 | 东北大学 | A kind of method of off-line measurement large-scale workpiece radius of curvature |
| CN114166165A (en) * | 2021-11-11 | 2022-03-11 | 苏州陈那自动化技术有限公司 | Method for detecting outer diameter X1 and inner diameter X2 of column |
-
2011
- 2011-06-28 CN CN2011202214083U patent/CN202158825U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764431A (en) * | 2015-04-24 | 2015-07-08 | 江苏理工学院 | Online intelligent measuring device for inner and outer curvature radiuses of rolled plate rolled by plate rolling machine |
| CN105571457A (en) * | 2015-12-15 | 2016-05-11 | 洛阳轴研科技股份有限公司 | Ball bearing outer ring groove bottom diameter measurement device and measurement method |
| CN108387162A (en) * | 2018-02-13 | 2018-08-10 | 东北大学 | A kind of method of off-line measurement large-scale workpiece radius of curvature |
| CN114166165A (en) * | 2021-11-11 | 2022-03-11 | 苏州陈那自动化技术有限公司 | Method for detecting outer diameter X1 and inner diameter X2 of column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102252580B (en) | Method for measuring outside-diameter nominal dimensional deviation of bearing outer ring | |
| CN102278932A (en) | Method for measuring deviation of nominal size of bore diameter of bearing inner ring | |
| CN202158826U (en) | Measuring device for measuring inner diameter tolerance of circular ring body | |
| CN202158825U (en) | Measuring apparatus for measuring OD tolerance of cirque body | |
| CN202133547U (en) | Rolling bearing measuring device having comprehensive properties and high precision | |
| CN102607375A (en) | Radial play measuring device for bearing | |
| CN202188801U (en) | Female thread micrometer | |
| CN202885725U (en) | Checking fixture for diameters of ball groove and ball surface of flexible outer race | |
| CN201535670U (en) | Novel bearing axial clearance measuring apparatus | |
| CN202793265U (en) | Deep-hole inner ring groove measuring device | |
| CN102175534B (en) | Test device for stiffness of flexible spring | |
| CN204007417U (en) | Omnipotent pairing bearing has load measuring instrument for projection | |
| CN2677870Y (en) | Detecting instrument for lower ditch of Hub of hub unit part | |
| CN108867652B (en) | Foundation pit excavation rapid monitoring instrument | |
| CN201425459Y (en) | Windage checking fixture | |
| CN203629918U (en) | Device for manufacturing inverted U-shaped curved sample | |
| CN201764939U (en) | Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft | |
| CN102865793B (en) | The measurement mechanism of bearing washer inner arc surface and measuring method | |
| CN202612259U (en) | Hydraulic cylinder capable of adjusting piston rod stroke | |
| CN201945285U (en) | Device for detecting axis perpendicularity of big end hole of aviation piston engine | |
| CN201116866Y (en) | Modified bearing measurement instrument positioning supporting point | |
| CN209541720U (en) | A kind of thin wall tubular internal axis linearity measurer | |
| CN208818132U (en) | A kind of bearing end-play measured material | |
| CN103673952B (en) | Device and method for measuring raceway of one-way overrunning clutch directional sleeve | |
| CN208171121U (en) | Hub bearing inner ring contact angle axial position detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20170628 |