CN106643405A - External spline length measuring device - Google Patents
External spline length measuring device Download PDFInfo
- Publication number
- CN106643405A CN106643405A CN201611047687.XA CN201611047687A CN106643405A CN 106643405 A CN106643405 A CN 106643405A CN 201611047687 A CN201611047687 A CN 201611047687A CN 106643405 A CN106643405 A CN 106643405A
- Authority
- CN
- China
- Prior art keywords
- external splines
- measuring instrument
- spline
- positioning
- measuring
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- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to an external spline length measuring device and solves the difficulty in measuring the length of the external spline in the prior art. The invention provides an external spline length measuring device. A positioning body is provided with an accommodating cavity for accommodating the external spline. A positioning sleeve is fixed on the positioning body. A measuring instrument is fixed on the bottom plate of the positioning body. The measurement rod axis of the measuring instrument is parallel to the axis of the accommodating cavity. When actual measurement is made, the external spline with a correct dimension is measured by a three-coordinate measuring instrument, and the external spline is located on the measuring device and the measuring instrument is cleared. When being meausred, the external spline is just required to be located on the measuring device, and then the readings of the measuring instrument are observed in order to easily know whether the dimension of the external spline meets a requirement. Compared with the prior art, the external spline length measuring device greatly improves the measurement efficiency of the external spline, can conveniently measure the external spline, and improves the production efficiency of the external spline.
Description
Technical field
The present invention relates to spline survey tool, more particularly to a kind of external splines length-measuring appliance.
Background technology
Spline is mainly used in transmitting the moment of torsion between two axles, and spline can transmit bigger effect relative to flat key connection
Power, therefore, it is used widely in power transmission.
Spline includes internal spline and external splines, and during actual enforcement, external splines coordinates to transmit power with internal spline.External splines
Effective length be spline measurement an important measurement key element, it directly influences the intensity and performance of spline.
In prior art, during measurement spline effective length, spline is measured using three coordinate amount instrument.But in reality
In the operating process of border, the operation of three coordinate amount instrument is more complicated, needs the talent trained to operate, in addition, three coordinate amounts
Instrument measurement efficiency is low, and the production efficiency of spline is greatly reduced in high volume production process.
The content of the invention
A kind of external splines length-measuring appliance that the present invention is provided, it is intended to overcome the spline length measurement of prior art China and foreign countries tired
Difficult deficiency.
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of external splines length-measuring appliance, bag
The positioning body of positioning external splines is included, the positioning offers in vivo the accommodating chamber for accommodating external splines, is additionally provided with the positioning body
Spline housing, the spline housing has the internal spline coordinated with external splines, and the internal spline runs through spline housing, also, spline package
After fitting on positioning body, the internal spline is communicated with accommodating chamber, and the positioning body is included perpendicular to the base plate for accommodating cavity axis,
Measuring instrument, the measurement bar when measuring instrument includes measuring with external splines end contact, the measurement are fixed with the base plate
The axis of bar and the diameter parallel of accommodating chamber.
A kind of optional scheme, is additionally provided with the side of the remotely located body of spline housing on the spline housing and coordinates with external splines
And the positioning wedge angle that external splines is positioned, the positioning wedge angle along internal spline axis direction arrange, the positioning wedge angle
It is integral type structure with spline housing.The setting of positioning wedge angle substantially increases the positioning precision of spline housing, so as to improve measurement
The certainty of measurement of device.
A kind of optional scheme, the spline housing is fixed on positioning body by rigging screw, and the rigging screw includes
Ailhead, offers the cell body for accommodating ailhead on the positioning body.Spline housing can be changed, and optimize the versatility of measurement apparatus
Energy.In addition, ailhead is located in cell body, ailhead can be avoided from interfering with other objects, optimize the performance of measurement apparatus.
A kind of optional scheme, offers the through hole for passing through measurement bar on the base plate, the measuring instrument passes through
It is threadedly secured on base plate, the measuring instrument is provided with external screw thread, is provided with the through hole and external screw thread cooperation on measuring instrument
Internal thread.Measuring instrument fixes reliable and easy to assembly with base plate, reduces the manufacturing cost of measurement apparatus.
A kind of optional scheme, is additionally provided with the locking nut coordinated with external screw thread on measuring instrument on the measuring instrument.Locking
The setting of nut allows measuring instrument adjustment position in the axial direction, broadens the scope of application of measurement apparatus.
A kind of optional scheme, the measurement bar is provided with orbicule with one end integral type of external splines end contact.It is spherical
The setting of body improves the certainty of measurement of measurement apparatus.
A kind of optional scheme, is coated with wearing layer on the internal spline, the thickness of the wearing layer is not less than 1 millimeter.It is resistance to
The setting of mill layer extends the service life of spline housing.
A kind of optional scheme, the measuring instrument is dial gauge.Reduce the use cost of measurement apparatus.
Compared with prior art, a kind of external splines length-measuring appliance that the present invention is provided, has the advantage that：Positioning body
The accommodating chamber for accommodating external splines is provided with, positioning sleeve is further fixed on positioning body, measuring instrument is fixed on the base plate of positioning body,
The measurement rod axis of measuring instrument and the diameter parallel of accommodating chamber, during actual measurement, are first measuring a size just with three coordinate amount instrument
True external splines, then external splines is positioned to measurement apparatus, and measuring instrument is reset, when measuring external splines to be measured, it is only necessary to
External splines to be measured is positioned in measurement apparatus, then observing the reading of measuring instrument can easily learn that the size of external splines is
It is no to meet the requirements, relative to prior art, the measurement efficiency of external splines is substantially increased, also, external splines operates ten when measuring
Divide convenient, and then improve the production efficiency of external splines.
Description of the drawings
Accompanying drawing 1 is a kind of sectional view of external splines length-measuring appliance example one of the invention；
Accompanying drawing 2 is schematic diagram when a kind of external splines length-measuring appliance of the invention is measured to external splines；
Accompanying drawing 3 is a kind of sectional view of external splines length-measuring appliance embodiment two of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of external splines length-measuring appliance of the present invention is described further.Following examples
It is only used for helping skilled in the art to understand technical scheme, is not limitation of the present invention.
As shown in Figure 1 and Figure 2, a kind of external splines length-measuring appliance, including the positioning body 1 of positioning external splines 100, it is described
The accommodating chamber 2 for accommodating external splines 100 is offered in positioning body 1, spline housing 3, the spline housing 3 are additionally provided with the positioning body 1
With the internal spline 4 coordinated with external splines 100, the internal spline 4 runs through spline housing 3, also, spline housing 3 is assemblied in positioning body 1
After upper, the internal spline 4 is communicated with accommodating chamber 2, and the positioning body 1 includes the base plate 5 perpendicular to the axis of accommodating chamber 2, described
Measuring instrument 6, the measurement bar 7 when the measuring instrument 6 includes measuring with the end contact of external splines 100, the survey are fixed with base plate 5
The axis of gauge rod 7 and the diameter parallel of accommodating chamber 2；
As shown in figure 1, be additionally provided with the side of the remotely located body 1 of spline housing 3 on the spline housing 3 matching somebody with somebody with external splines 100
The positioning wedge angle 8 that merging is positioned to external splines 100, the positioning wedge angle 8 is arranged along the axis direction of internal spline 4, described
Positioning wedge angle 8 is integral type structure with spline housing 3, and external splines 100 is general to be obtained using Milling Process, and during milling workpiece, one
As can reserve on workpiece the next one can be stayed to be easy to the withdrawing structure 200 that milling cutter returns on the position that escape, i.e. milling cutter are exited,
The structure is not belonging to the spline feature of external splines 100, when the length to external splines 100 is measured, it is not necessary to measure this and move back
The size of knife structure 200, the effect of the positioning wedge angle 8 is exactly to coordinate with the withdrawing structure 200, to complete to external splines 100
Positioning, so as to improve the certainty of measurement of measurement apparatus；
As shown in figure 1, frequently measurement can fit into internal spline 4, the abrasion of positioning wedge angle 8, this abrasion can reduce measurement
The certainty of measurement of device, therefore, measurement apparatus should try one's best in design and reduce this abrasion, for this purpose, in internal spline 4 and measurement point
Wearing layer is coated with angle, the thickness of the wearing layer is not less than 1 millimeter, to extend the service life of spline housing 3；
As shown in figure 1, the spline housing 3 is fixed on positioning body 1 by rigging screw 9, the rigging screw 9 includes nail
10, the cell body 11 for accommodating ailhead 10 is offered on the positioning body 1, spline housing 3 plays a part of to position external splines 100, because
This, the positioning performance of spline housing 3 will directly affect certainty of measurement, fix spline housing 3 using rigging screw 9 so that spline housing 3 has
There is good positioning performance, improve the certainty of measurement of measurement apparatus；Measurement apparatus primarily serve measurement effect, existing in production
, typically require that measurement apparatus have good universal performance, to reduce the quantity of measure field survey tool, now, spline
Set 3 is fixed on positioning body 1 by rigging screw 9, and operating personnel can easily change the spline housing 3 of different size to measure
The external splines 100 of different size；
As shown in figure 1, measuring instrument 6 should be reliably positioned on base plate 5, to avoid the loosening of measuring instrument 6 measurement is reduced
The certainty of measurement of device, offers the through hole for passing through measurement bar 7 on the base plate 5, the measuring instrument 6 is solid by screw thread
It is scheduled on base plate 5, the measuring instrument 6 is provided with external screw thread, the interior spiral shell coordinated with external screw thread on measuring instrument 6 is provided with the through hole
Line, measuring instrument 6 is threadedly secured on base plate 5, and measuring instrument 6 fixes reliability with base plate 5；
As shown in figure 1, for the certainty of measurement for further improving measurement apparatus, the measurement bar 7 connects with the end face of external splines 100
Tactile one end integral type is provided with orbicule 13.The setting of orbicule 13 causes measurement bar 7 to contact with the end face point of external splines 100,
So as to improve the certainty of measurement of measurement apparatus.
As shown in figure 1, the manufacturing cost to reduce measurement apparatus, the measuring instrument 6 is dial gauge.
As shown in Figure 1 and Figure 2, above-mentioned technical proposal is measuring a size just when actually used first with three coordinate amount instrument
True external splines 100, is then positioned at external splines 100 in measurement apparatus, and dial gauge is reset, and dial gauge can also be unclear
Zero, but need to write down the reading of dial gauge, when measuring external splines to be measured 100, external splines to be measured 100 is positioned in measurement apparatus
After, observing the reading of dial gauge can easily learn whether the size of external splines to be measured 100 is correct, the size of external splines 100
Measurement is very convenient, improves the production efficiency of external splines 100.The principle of the measurement apparatus be by external splines to be measured 100 with
The correct external splines 100 of size is compared using dial gauge (measuring instrument 6), to judge whether the size of external splines 100 meets
Require, this is measured as relative measurement.
Embodiment two
As shown in figure 3, in conjunction with the embodiments one, it is the versatility for further widening measurement apparatus, it may be necessary to measuring instrument 6
(including measurement bar 7) is moved along the axis direction of accommodating chamber 2, to detect the external splines 100 of different length, for this purpose, the measurement
The locking nut 12 coordinated with external screw thread on measuring instrument 6 is additionally provided with instrument 6.Revolving meters 6 can change measuring instrument 6 (including
Measurement bar 7) position, then, recycle locking nut 12 can easily measuring instrument 6 be locked, so as to realize adjust measurement
The position of instrument 6 (including measurement bar 7), to widen the versatility of measurement apparatus.
Embodiment three
The present embodiment is improved relative to embodiment one, the main fixed structure to measuring instrument 6 of embodiment two, specifically
Say, through hole is offered on base plate 5, and measuring instrument 6 coordinates with through hole, then, measuring instrument 6 is locked at into through hole using lock-screw
Optional position on, to realize the locking of measuring instrument 6, also, unclamp lock-screw and can also be conveniently adjusted the position of measuring instrument 6
Put.This enforcement simplifies the structure of measurement apparatus, reduces the manufacturing cost of measurement apparatus.
These are only the preferred embodiment of the present invention, it is intended to embody the prominent technique effect and advantage of the present invention, not
It is the restriction to technical scheme.Those skilled in the art will appreciate that all are based on the technology of the present invention content
Modification, change or the substitute technology feature made, should all be covered by the technology category that claims of the present invention are advocated
It is interior.
Claims (8)
1. a kind of external splines length-measuring appliance, it is characterised in that：Including the positioning body (1) of positioning external splines, the positioning body
(1) accommodating chamber (2) for accommodating external splines is offered in, spline housing (3), the spline housing (3) is additionally provided with the positioning body (1)
With the internal spline (4) coordinated with external splines, the internal spline (4) is assemblied in and determines through spline housing (3), also, spline housing (3)
After on position body (1), the internal spline (4) communicates with accommodating chamber (2), and the positioning body (1) is included perpendicular to accommodating chamber (2) axle
The base plate (5) of line, is fixed with measuring instrument (6) on the base plate (5), the measuring instrument (6) including during measurement with external splines end face
The measurement bar (7) of contact, the axis of the measurement bar (7) and the diameter parallel of accommodating chamber (2).
2. a kind of external splines length-measuring appliance according to claim 1, it is characterised in that：On the spline housing (3)
The side of the remotely located body (1) of spline housing (3) is additionally provided with to match somebody with somebody with external splines and merges the positioning wedge angle that external spline is positioned
(8), positioning wedge angle (8) is arranged along the axis direction of internal spline (4), and positioning wedge angle (8) is integrated with spline housing (3)
Formula structure.
3. a kind of external splines length-measuring appliance according to claim 1 and 2, it is characterised in that：The spline housing (3) is led to
Cross rigging screw (9) to be fixed on positioning body (1), the rigging screw (9) includes ailhead (10), open on the positioning body (1)
It is provided with the cell body (11) for accommodating ailhead (10).
4. a kind of external splines length-measuring appliance according to claim 1 and 2, it is characterised in that：Open on the base plate (5)
The through hole for making measurement bar (7) to pass through is provided with, the measuring instrument (6) is threadedly secured on base plate (5), the measuring instrument
(6) external screw thread is provided with, the internal thread coordinated with external screw thread on measuring instrument (6) is provided with the through hole.
5. a kind of external splines length-measuring appliance according to claim 4, it is characterised in that：On the measuring instrument (6) also
It is provided with the locking nut (12) coordinated with external screw thread on measuring instrument (6).
6. a kind of external splines length-measuring appliance according to claim 4, it is characterised in that：The measurement bar (7) with it is outer
One end integral type of spline end contact is provided with orbicule (13).
7. a kind of external splines length-measuring appliance according to claim 1, it is characterised in that：Plate on the internal spline (4)
The thickness for having wearing layer, the wearing layer is not less than 1 millimeter.
8. a kind of external splines length-measuring appliance according to claim 1, it is characterised in that：The measuring instrument (6) is hundred
Divide table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047687.XA CN106643405A (en) | 2016-11-22 | 2016-11-22 | External spline length measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047687.XA CN106643405A (en) | 2016-11-22 | 2016-11-22 | External spline length measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643405A true CN106643405A (en) | 2017-05-10 |
Family
ID=58811094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611047687.XA Pending CN106643405A (en) | 2016-11-22 | 2016-11-22 | External spline length measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356665A (en) * | 2017-09-02 | 2017-11-17 | 鲁东大学 | Splined shaft damage testing frock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831042Y (en) * | 2005-09-20 | 2006-10-25 | 嘉兴亿爱思梯工具有限公司 | Practical value measurer of spline with chart |
| CN202470961U (en) * | 2012-03-06 | 2012-10-03 | 上海纳铁福传动轴有限公司 | Measuring tool for measuring effective length of real axis spline |
| CN203163645U (en) * | 2013-01-30 | 2013-08-28 | 纳铁福传动轴(重庆)有限公司 | Measuring device for measuring effective length of external star-wheel spline |
| CN105157514A (en) * | 2015-05-11 | 2015-12-16 | 恒锋工具股份有限公司 | External spline effective length gauge |
| CN206177190U (en) * | 2016-11-22 | 2017-05-17 | 浙江德福精密驱动制造有限公司 | External splines length -measuring appliance |
-
2016
- 2016-11-22 CN CN201611047687.XA patent/CN106643405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831042Y (en) * | 2005-09-20 | 2006-10-25 | 嘉兴亿爱思梯工具有限公司 | Practical value measurer of spline with chart |
| CN202470961U (en) * | 2012-03-06 | 2012-10-03 | 上海纳铁福传动轴有限公司 | Measuring tool for measuring effective length of real axis spline |
| CN203163645U (en) * | 2013-01-30 | 2013-08-28 | 纳铁福传动轴(重庆)有限公司 | Measuring device for measuring effective length of external star-wheel spline |
| CN105157514A (en) * | 2015-05-11 | 2015-12-16 | 恒锋工具股份有限公司 | External spline effective length gauge |
| CN206177190U (en) * | 2016-11-22 | 2017-05-17 | 浙江德福精密驱动制造有限公司 | External splines length -measuring appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356665A (en) * | 2017-09-02 | 2017-11-17 | 鲁东大学 | Splined shaft damage testing frock |
| CN107356665B (en) * | 2017-09-02 | 2023-12-22 | 鲁东大学 | Spline shaft damage detection tool |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |