CN205619849U - External gear M value caliber - Google Patents
External gear M value caliber Download PDFInfo
- Publication number
- CN205619849U CN205619849U CN201620267827.3U CN201620267827U CN205619849U CN 205619849 U CN205619849 U CN 205619849U CN 201620267827 U CN201620267827 U CN 201620267827U CN 205619849 U CN205619849 U CN 205619849U
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- stationary positioned
- micrometer
- screw
- steel ball
- tooth gear
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an external gear M value caliber, be one kind based on on external micrometer's the basis, through improving the M value that can measure external gear, increase the fixed position subassembly and the locating component that moves about respectively through the both ends at external micrometer, respectively be equipped with the steel ball of taking the screw of a same diameter on tip between them, can measure external gear's M value. Have the precision height, easy operation is convenient, and application range is wide, convenient to popularize and use's advantage.
Description
Technical field
This utility model belongs to the technical field of the measuring equipment using mechanical means to be characterized, and particularly relates to a kind of external tooth gear M value measuring device.
Background technology
In numerous reductors, significant portion is all external gear pump, when external tooth gear is processed, the most all uses common normal or chordal height and chordal tooth thickness as the important parameter of gear.But during the engagement of some gears, owing to gear helical angle is very big, now the facewidth is the narrowest, such as double helical tooth etc., cannot measure with conventional common normal micrometer；As with measuring chordal height and chordal tooth thickness, after needing the outside circle of accurate prototype gear, carried out chordal height correction measurement；If sending special testing agency and instrument, need an expense, and in the course of processing, be also inconvenient to send special testing agency and instrument.This time can carry out the measurement of M value to external tooth throughput rod, during operation, need to be corrected ruler, in addition it is also necessary to the beeline between two length bars of centering, everyone feel differs, it may appear that measurement error, and wastes time and energy, and efficiency comparison is low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of external tooth gear M value measurer is provided, by increasing a stationary positioned set and activity orientation set respectively at the two ends of outside micrometer, both small ends are respectively provided with the steel ball of a same diameter, it is used for substituting length bar, the M value of external tooth gear can be measured as the using method of outside micrometer.Making it have flexible operation easy, usage range is wide, and improves the advantage such as certainty of measurement and efficiency.
The purpose of this utility model is achieved in that
A kind of external tooth gear M value measuring device preferred embodiment, including stationary positioned assembly, outside micrometer and movable positioning module, described outside micrometer is positioned at centre, and two ends connect stationary positioned assembly and movable positioning module respectively；At the measurement bar of two steel balls on stationary positioned assembly and movable positioning module and outside micrometer on centerline, the minimum range between i.e. two steel balls is the M value of external tooth gear；
Described stationary positioned assembly includes stationary positioned set, tie down screw, positioning sleeve nut and band screw steel ball, described stationary positioned set is fixed on the fixing bar of outside micrometer, stationary positioned set is stepped cylindrical shape, the big end of cylinder is provided with female thread and external screw thread, the small end of cylinder is provided with screwed hole, connect band screw steel ball, stationary positioned set is made to be connected with band screw steel ball and fasten with screw, described female thread is provided with tie down screw, tie down screw can be along the female thread axial rotation of stationary positioned set and locking, described external screw thread is provided with positioning sleeve nut, positioning sleeve nut can be along the external screw thread axial rotation of stationary positioned set and locking；
Described movable positioning module includes activity orientation set, activity orientation set is fixed on the motion bar of outside micrometer and along with rotating together, described activity orientation set is stepped cylindrical shape, the big end of cylinder is provided with location endoporus, coordinate with the movable end of outside micrometer, the other end sets small column step, and step center is provided with internal thread hole and threadeds with the steel ball of band screw, all coaxial with the motion bar of outside micrometer.
In order to make stationary positioned set be fixed on the fixing bar of outside micrometer, it is preferable that described stationary positioned set, in stepped cylindrical shape, the big end of cylindrical sets external screw thread, fixes with micrometer after being loaded by positioning sleeve nut, and coaxial with the fixing bar of outside micrometer；
In order to allow stationary positioned set not interfere with external tooth gear flank profil, it is preferable that the described stationary positioned set other end sets small column, and end big with cylindrical is coaxial, and coaxial with the fixing bar of outside micrometer.
In order to make the excircle orientation of stationary positioned set and the fixing end of outside micrometer, it is preferable that the sheathed inner bore of step of described stationary positioned, the big end of endoporus is provided with screwed hole, after allowing tie down screw load, is close to outside micrometer and fixes the rear end face of end.
In order to make stationary positioned set be connected with band screw steel ball, it is preferable that be provided with the step aperture of attachment screw bottom the endoporus of described stationary positioned set and connect screw thread, and the female coaxial overlapped with stationary positioned.
In order to make stationary positioned set for not interfering with the support profiles of micrometer after loading, it is preferable that described stationary positioned is arranged with breach, until the bottom of endoporus.
Fixing rod end surface in order to make stationary positioned overlap with outside micrometer is close to, it is preferable that described tie down screw, and one end cylindrical is provided with external screw thread, stationary positioned set can be made coaxial with the positioning end of outside micrometer along the female thread axial rotation of stationary positioned set and locking；Male end is provided with endoporus, for not interfering with the boss of micrometer；The other end also is provided with loss of weight endoporus.
In order to stationary positioned set fixed outer diameter micrometer on, it is preferable that described positioning sleeve nut, be provided with female thread, can along stationary positioned set external screw thread axial-rotation and fasten.
The contact area of end face is fixed, it is preferable that described positioning sleeve nut nut end face chamfering, more accurate positioning in order to reduce positioning sleeve nut and micrometer；
Movable end location for activity orientation set with outside micrometer, preferably, it is characterized in that: described activity orientation set is stepped cylindrical shape, big end is provided with location endoporus, coordinate with the movable end of outside micrometer, the other end sets small column step, and step center is provided with screwed hole, all coaxial with the motion bar of outside micrometer.
In order to activity orientation set is connected with steel ball with holes, it is preferable that described activity orientation set endoporus loads trip bolt, fastens with threaded steel ball, and coaxial with the motion bar of micrometer, rotates together.
Movable end fastening for activity orientation set with outside micrometer, it is preferable that described activity orientation set cylindrical is provided with screwed hole, makes activity orientation set be connected with band screw steel ball and fasten with holding screw.
In order to enable more convenient and connect band screw steel ball accurately, it is preferable that described band screw steel ball is provided with screwed hole, and the axis of screwed hole crosses the center of steel ball；Threaded bores vertical direction is provided with a facet, is close to activity orientation set small end face, and axially vertical with micrometer motion bar.
Compared with tradition external tooth gear M value measurement technology, the utility model has the advantage of:
1, simple in construction manufacturing cost is few.
2, fast efficiency of easy to operate time is high.
3, Determination error is repeated little.
4, binary conversion error is simple.
5, the problem that M value in small space is not easy to detection can be solved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the component diagram of stationary positioned set；
Fig. 3 is the component diagram of activity orientation set；
Fig. 4 is the structural representation of calibration standard length bar；
Fig. 5 is the example schematic measuring external tooth gear.
Reference
In accompanying drawing, 1 is stationary positioned set, and 2 is tie down screw, and 3 is positioning sleeve nut, and 4 is activity orientation set, and 5 is band screw steel ball, and 6 is holding screw, and 7 is attachment screw, 8 outside micrometers.
Detailed description of the invention
See Fig. 1 to Fig. 5,
A kind of external tooth gear M value measuring device preferred embodiment, including stationary positioned assembly, outside micrometer and movable positioning module, described outside micrometer is positioned at centre, and two ends connect stationary positioned assembly and movable positioning module respectively；At the measurement bar of two steel balls on stationary positioned assembly and movable positioning module and outside micrometer on centerline, the minimum range between i.e. two steel balls is the M value of external tooth gear；
Described stationary positioned assembly includes stationary positioned set 1, tie down screw 2, positioning sleeve nut 3 and band screw steel ball 5, described stationary positioned set 1 is fixed on the fixing bar of outside micrometer 8, stationary positioned set 1 is in stepped cylindrical shape, the big end of cylinder is provided with female thread and external screw thread, the small end of cylinder is provided with screwed hole, connect band screw steel ball 5, stationary positioned set 1 is made to be connected with band screw steel ball 5 and fasten with screw, described female thread is provided with tie down screw 2, tie down screw 2 can be along the female thread axial rotation of stationary positioned set 1 and locking, described external screw thread is provided with positioning sleeve nut 3, positioning sleeve nut 3 can be along the external screw thread axial rotation of stationary positioned set 1 and locking；
Described movable positioning module includes that activity orientation set 4, activity orientation set 4 are fixed on the motion bar of outside micrometer and along with rotating together, described activity orientation set 4 is in stepped cylindrical shape, the big end of cylinder is provided with location endoporus, coordinate with the movable end of outside micrometer, the other end sets small column step, step center is provided with internal thread hole and threadeds with the steel ball 5 of band screw, all coaxial with the motion bar of outside micrometer.
In the present embodiment, in order to make stationary positioned set 1 be fixed on the fixing bar of outside micrometer, preferably, described stationary positioned set 1, in stepped cylindrical shape, the big end of cylindrical sets external screw thread, fix with micrometer after being loaded by positioning sleeve nut 3, and coaxial with the fixing bar of outside micrometer；In order to allow stationary positioned set 1 not interfere with external tooth gear flank profil, it is preferable that described stationary positioned is overlapped 1 other end and set small column, and end big with cylindrical is coaxial, and coaxial with the fixing bar of outside micrometer.In order to make the excircle orientation of stationary positioned set 1 and the fixing end of outside micrometer, it is preferable that described stationary positioned set 1 sets inner bore of step, and the big end of endoporus is provided with screwed hole, after allowing tie down screw 2 load, it is close to outside micrometer and fixes the rear end face of end.In order to make stationary positioned set 1 be connected with band screw steel ball 5, it is preferable that be provided with the step aperture of attachment screw 7 bottom the endoporus of described stationary positioned set 1 and connect screw thread, and overlapping the female coaxial of 1 with stationary positioned.Do not interfere with the support profiles of micrometer after loading to make stationary positioned set 1 be, it is preferable that described stationary positioned set 1 is provided with breach, until the bottom of endoporus.In order to make stationary positioned set 1 be close to the fixing rod end surface of outside micrometer, preferably, described tie down screw 2, one end cylindrical is provided with external screw thread, stationary positioned set 1 can be made coaxial with the positioning end of outside micrometer along the female thread axial rotation of stationary positioned set and locking；Male end is provided with endoporus, for not interfering with the boss of micrometer；The other end also is provided with loss of weight endoporus.In order to stationary positioned is overlapped on 1 fixed outer diameter micrometer, it is preferable that described positioning sleeve nut 3, it is provided with female thread, the external screw thread axial-rotation of 1 can be overlapped along stationary positioned and fasten.The contact area of end face is fixed, it is preferable that described positioning sleeve nut 3 end chamfer, more accurate positioning in order to reduce positioning sleeve nut 3 and micrometer；
Movable end location for activity orientation set 4 with outside micrometer, preferably, it is characterized in that: described activity orientation set 4 is in stepped cylindrical shape, big end is provided with location endoporus, coordinate with the movable end of outside micrometer, the other end sets small column step, and step center is provided with screwed hole, all coaxial with the motion bar of outside micrometer.In order to activity orientation set 4 is connected with steel ball 5 with holes, it is preferable that described activity orientation is overlapped 4 endoporus and loaded trip bolt, fastens with threaded steel ball, and coaxial with the motion bar of micrometer, rotates together.Movable end fastening for activity orientation set 4 with outside micrometer, it is preferable that described activity orientation is overlapped 4 cylindricals and is provided with screwed hole, makes activity orientation set be connected with band screw steel ball 5 and fasten with holding screw 6.In order to enable more convenient and connect band screw steel ball 5 accurately, it is preferable that described band screw steel ball 5 is provided with screwed hole, and the axis of screwed hole crosses the center of steel ball；Threaded bores vertical direction is provided with a facet, is close to activity orientation and overlaps 4 small end faces, and axially vertical with micrometer motion bar.
In order to activity orientation set 4 is connected with steel ball 5 with holes, it is preferable that described activity orientation is overlapped 4 endoporus and loaded trip bolt, fastens with threaded steel ball, and coaxial with the motion bar of micrometer, rotates together.Movable end fastening for activity orientation set 4 with outside micrometer, it is preferable that described activity orientation is overlapped 4 cylindricals and is provided with screwed hole, makes activity orientation set be connected with band screw steel ball 5 and fasten with holding screw 6.
In order to enable more convenient and connect band screw steel ball 5 accurately, it is preferable that described band screw steel ball 5 is provided with screwed hole, and the axis of screwed hole crosses the center of steel ball；Threaded bores vertical direction is provided with a facet, is close to activity orientation and overlaps 4 small end faces, and axially vertical with micrometer motion bar.
The using method of external tooth gear M value measurer comprises the following steps:
A, attachment screw is loaded stationary positioned set endoporus, and load onto band screw steel ball tightening and put in place；
B, stationary positioned grip assembly are contained on the cylindrical of fixing end of micrometer, screw in tie down screw and make the fixing rod end surface of end face and micrometer be close to；Again location nut loading stationary positioned is put, and make stationary positioned set fix with micrometer；
C, activity orientation is overlapped endoporus load attachment screw, and load onto band screw steel ball tightening and put in place；
D, activity orientation grip assembly load on the motion bar of micrometer, and endoporus is close to the motion bar end face with micrometer, fixes by the portable plate of movable positioning module with micrometer with trip bolt；
E, as Fig. 4 shows by correcting block or calibrated bolck, measure external tooth gear M value measurer corrected value △ t；
F, size according to module, select the steel ball being suitable for, and operational approach is identical with outside micrometer, and the M value of surveyed external tooth gear is equal to the reading of outside micrometer, deducts external tooth gear M value measurer changing value △ t；
Illustrate external tooth gear M value measurer corrected value △ t and the computational methods of external tooth gear M value L
The outside diameter d 1 of known steel ball with holes is 12mm, the long L of calibration standard length barMarkBeing that the reading L1 of external tooth gear M value measurer is 189mm after 150, after measurement, the reading L2 of outside micrometer is 180.25, then the reading L1-2 of external tooth gear M value measurer corrected value △ t=external tooth gear M value measurer steel with holes
The outside diameter d 1-long L of standard length bar of ballMark
=189-2x12-150
=15mm
The reading of the M value=outside micrometer of surveyed workpiece external tooth gear-measurer corrected value △ t
=180.25-15=165.25mm
Finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.
Claims (10)
1. an external tooth gear M value measuring device, it is characterised in that: including that stationary positioned assembly, outside micrometer and movable positioning module, described outside micrometer are positioned at centre, two ends connect stationary positioned assembly and movable positioning module respectively；
Described stationary positioned assembly includes stationary positioned set, tie down screw, positioning sleeve nut and band screw steel ball, described stationary positioned set is fixed on the fixing bar of outside micrometer, stationary positioned set is stepped cylindrical shape, the big end of cylinder is provided with female thread and external screw thread, the small end of cylinder is provided with screwed hole, connect band screw steel ball, stationary positioned set is made to be connected with band screw steel ball and fasten with screw, described female thread is provided with tie down screw, tie down screw can be along the female thread axial rotation of stationary positioned set and locking, described external screw thread is provided with positioning sleeve nut, positioning sleeve nut can be along the external screw thread axial rotation of stationary positioned set and locking；
Described movable positioning module includes activity orientation set, activity orientation set is fixed on the motion bar of outside micrometer and along with rotating together, described activity orientation set is stepped cylindrical shape, the big end of cylinder is provided with location endoporus, coordinate with the movable end of outside micrometer, the other end sets small column step, and step center is provided with internal thread hole and threadeds with the steel ball of band screw, all coaxial with the motion bar of outside micrometer.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: described stationary positioned set, in stepped cylindrical shape, the big end of cylindrical sets external screw thread, makes positioning sleeve nut fix with micrometer after loading, and coaxial with the fixing bar of outside micrometer；The other end sets small column, it is to avoid interfere with gear-profile, and coaxial with the fixing bar of outside micrometer.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: the sheathed inner bore of step of described stationary positioned, the big end of endoporus is provided with screwed hole, is provided with the step aperture of attachment screw and connects screw thread bottom big endoporus.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: described stationary positioned is arranged with breach, for avoiding the support profiles with micrometer to interfere after loading.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterized in that: described tie down screw, one end cylindrical is provided with external screw thread, can be along the female thread axial rotation of stationary positioned set and locking, make stationary positioned set coaxial with the positioning end of outside micrometer, and stationary positioned set is parallel with the end face of outside micrometer；Male end is provided with endoporus, for not interfering with the boss of micrometer；The other end also is provided with loss of weight endoporus.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: described positioning sleeve nut, by endoporus female thread, stationary positioned set is fastened on the fixing end of micrometer；Nut end face chamfering.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterized in that: described activity orientation set is stepped cylindrical shape, big end is provided with location endoporus, and the other end sets small column step, step center is provided with screwed hole, all coaxial with the motion bar of outside micrometer.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: described activity orientation set endoporus loads trip bolt, fastens with band screw steel ball, and coaxial with the motion bar of micrometer, rotates together.
A kind of external tooth gear M value measuring device the most according to claim 1, it is characterised in that: described activity orientation set cylindrical is provided with holding screw, and small end is provided with screwed hole, makes activity orientation set be connected with band screw steel ball and fasten with screw.
A kind of external tooth gear M value measuring device the most according to claim 9, it is characterised in that: described band screw steel ball is provided with screwed hole, and the axis of screwed hole crosses the center of steel ball；Threaded bores vertical direction is provided with a facet, is close to activity orientation set small end face, and axially vertical with micrometer motion bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267827.3U CN205619849U (en) | 2016-04-01 | 2016-04-01 | External gear M value caliber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267827.3U CN205619849U (en) | 2016-04-01 | 2016-04-01 | External gear M value caliber |
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| CN205619849U true CN205619849U (en) | 2016-10-05 |
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| CN201620267827.3U Expired - Fee Related CN205619849U (en) | 2016-04-01 | 2016-04-01 | External gear M value caliber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088348A (en) * | 2018-02-07 | 2018-05-29 | 武汉市精华减速机制造有限公司 | A kind of pin gear outer diameter device for fast detecting |
| CN110763097A (en) * | 2019-12-02 | 2020-02-07 | 珠海创锋精工机械有限公司 | Novel ball head micrometer and measuring method thereof |
| CN114459317A (en) * | 2022-01-12 | 2022-05-10 | 中信重工机械股份有限公司 | Major-diameter external thread pitch diameter measuring device and method |
| CN114636365A (en) * | 2022-03-07 | 2022-06-17 | 长春市春求科技开发有限公司 | Gear shaft M value measuring device |
-
2016
- 2016-04-01 CN CN201620267827.3U patent/CN205619849U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088348A (en) * | 2018-02-07 | 2018-05-29 | 武汉市精华减速机制造有限公司 | A kind of pin gear outer diameter device for fast detecting |
| CN108088348B (en) * | 2018-02-07 | 2024-03-26 | 湖北斯微特传动有限公司 | Rapid detection device for outer diameter of needle gear |
| CN110763097A (en) * | 2019-12-02 | 2020-02-07 | 珠海创锋精工机械有限公司 | Novel ball head micrometer and measuring method thereof |
| CN114459317A (en) * | 2022-01-12 | 2022-05-10 | 中信重工机械股份有限公司 | Major-diameter external thread pitch diameter measuring device and method |
| CN114459317B (en) * | 2022-01-12 | 2024-01-19 | 中信重工机械股份有限公司 | Device and method for measuring pitch diameter of large-diameter external thread |
| CN114636365A (en) * | 2022-03-07 | 2022-06-17 | 长春市春求科技开发有限公司 | Gear shaft M value measuring device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |