CN107607421A - The forced detection method of shaped piece internal spline case hardness - Google Patents
The forced detection method of shaped piece internal spline case hardness Download PDFInfo
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- CN107607421A CN107607421A CN201710645038.8A CN201710645038A CN107607421A CN 107607421 A CN107607421 A CN 107607421A CN 201710645038 A CN201710645038 A CN 201710645038A CN 107607421 A CN107607421 A CN 107607421A
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Abstract
The invention provides a kind of forced detection method of shaped piece internal spline case hardness.Employ a hardometer and an auxiliary support apparatus, the auxiliary support apparatus and the hardometer are disposed adjacently, the quenching hardness for detecting the inner surface of the internal splined hole of a shaped piece so that the hardometer and the auxiliary support apparatus can cooperate and be used for, so as to judge whether the quenching technical of the shaped piece succeeds.The shaped piece internal spline case hardness is tested by the forced test device, action is simple, measurement is accurate, and can realize lossless and total detection, and reliability is high.
Description
Technical field
The present invention relates to a kind of forced test device, belong to hardness determination field, further, be related to a kind of abnormity
The forced detection method of part internal spline case hardness.
Background technology
Hardness determination is the basic and quick means for judging quenching technical quality and investigating part mechanical property.Abnormity
Part (such as armored vehicle bogie wheel balance arm) impewdance matching position is internal spline, and ordinary hard meter can not detect to it,
Inner surface hardness determination can be carried out to it with " convex nose " hardometer, but because balance arm can not be placed steadily, causes to survey
It is inaccurate to measure result.The hardness that generally common Rockwell apparatus is only applicable to part outer surface carries out nondestructive detection,
Need adapter when carrying out hardness determination to the inner surface of part, but shaped piece be because can not smoothly fix, therefore, i.e.,
It is to use adapter can not also be detected to the case hardness of the internal spline of balance arm.Specifically, flower in shaped piece
The surface of key needs to detect its hardness after quenching technical is carried out, and forced detection is the basic mode of hardness determination,
Its result is comparatively more accurate, but needs pressure head perpendicular to inner surface to be tested when carrying out forced detection, and by
Shaped piece is irregularly caused to be difficult to be positioned in the profile of shaped piece, generally scleroscopic pressure head accessory structure and shaped piece is interior
Splined hole interferes and causes pressure head can not the contact measured spline flank of tooth.Shaped piece internal spline is after surface hardening, generally
Hardness determination is carried out by the way of wire cutting samples or is compared with standard file, wire cutting sampling period length, cost is high, and
And it is merely able to be sampled detection, it is impossible to total detection, it is even more important that the degree of accuracy of file method detection is inadequate.
The content of the invention
The technical problem to be solved in the present invention is：In view of the shortcomings of the prior art, there is provided a kind of shaped piece internal spline surface
The forced detection method of hardness, the forced test device used is simple in construction, easy to use, can stably fix abnormity
Part, to carry out hardness determination to shaped piece internal spline surface, and the degree of accuracy is high.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of pressure of shaped piece internal spline case hardness
Enter formula detection method, employ the forced test device including a hardometer and an auxiliary support apparatus, the auxiliary
Support meanss are disposed adjacently in the hardometer, and the hardometer includes a Test bench, a test bracket, a test
Bearing platform, one test position fix is raised and a testing pressure head, the bottom of the test bracket are arranged at the Test bench,
The test bearing platform is arranged at the upper end of the test bracket, and the test position fix projection is arranged at the upper of the test bearing platform
Side, and test position fix projection has cambered surface, and the testing pressure head is arranged at the upper end of the test bracket, and the test pressure
Head is empty to form a test between the testing pressure head and the test position fix projection positioned at the raised upside of the test position fix
Between；The auxiliary support apparatus includes a supplementary base, an auxiliary stand, an auxiliary bearing platform and an auxiliary positioning
Projection, the bottom of the auxiliary stand are arranged at the supplementary base, and the auxiliary bearing platform is arranged at the upper end of the auxiliary stand
Portion, the auxiliary positioning projection is arranged at the upside of the auxiliary bearing platform, and auxiliary positioning projection has cambered surface, wherein should
Shaped piece has a first end and a second end, and the first end and the second end are mutually corresponded to define this
The length of shaped piece, the first end of the shaped piece are provided with internal splined hole, and first end of the shaped piece and should
The second end is respectively provided with the outer surface of arc, when the hardness of the internal spline of the internal splined hole to the shaped piece is tested,
The first end is arranged at test position fix projection, so that the first end fits in test position fix projection, the second end
Auxiliary positioning projection is arranged at, so that the second end fits in auxiliary positioning projection, and the downside of the first end
Positioned at the test space, the testing pressure head is located at the internal splined hole of the shaped piece.
As the further preferred embodiment of the forced test device to the present invention, the raised one of the test position fix
Ground takes shape in the test bearing platform, and the auxiliary positioning is raised integrally formed in the auxiliary bearing platform.As to the present invention
The forced test device further preferred embodiment, the test bearing platform is movably arranged at the test branch
Frame, and the test bearing platform can along the test bracket short transverse the upper and lower end of the test bracket it
Between move, the auxiliary bearing platform is movably arranged at the auxiliary stand, and the auxiliary bearing platform can be along the auxiliary
The short transverse of support moves between the upper and lower end of the auxiliary stand.
As the further preferred embodiment of the forced test device to the present invention, the hardometer includes a survey
Try spinning roller and a test screw mandrel, the test screw mandrel be arranged at the test bracket and it is driven be arranged at the test spinning roller,
And the bearing of trend of the test screw mandrel is consistent with the bearing of trend of the test bracket, the test bearing platform is set drivenly
In the test screw mandrel, so that the test screw mandrel drives the short transverse of the test bearing platform along the test bracket in the test
Moved between the upper and lower end of support；One auxiliary spinning roller of the auxiliary support apparatus and an auxiliary screw mandrel, the auxiliary
Screw mandrel be arranged at the auxiliary stand and it is driven be arranged at the auxiliary spinning roller, and the bearing of trend of the auxiliary screw mandrel and should
The bearing of trend of auxiliary stand is consistent, and the auxiliary bearing platform is arranged at the auxiliary screw mandrel drivenly, so that the auxiliary screw mandrel
The short transverse of the auxiliary bearing platform along the auxiliary stand is driven to be moved between the upper and lower end of the auxiliary stand
It is dynamic.
As the further preferred embodiment of the forced test device to the present invention, the test spinning roller is arranged at this
Test bench, also spinning roller is aided in be arranged at the supplementary base.
Present invention also offers a kind of forced detection method of shaped piece internal spline case hardness, the forced test dress
Put and be disposed adjacently including a hardometer and an auxiliary support apparatus, the auxiliary support apparatus in the hardometer, should
Hardometer includes a Test bench, a test bracket, a test bearing platform and a testing pressure head, the test branch
The bottom of frame is arranged at the Test bench, and the test bearing platform is arranged at the upper end of the test bracket, the testing pressure head
The upper end of the test bracket is arranged at, and the testing pressure head is located at the upside of the test bearing platform, with the test pressure
A test space is formed between head and the test bearing platform；The auxiliary support apparatus includes a supplementary base, an auxiliary
Support and an auxiliary bearing platform, the bottom of the auxiliary stand are arranged at the supplementary base, and the auxiliary bearing platform is set
The upper end of the auxiliary stand is placed in, wherein the shaped piece has a first end and a second end, the first end
Portion and the second end are mutually corresponding to define the length of the shaped piece, and the first end of the shaped piece is provided with internal spline
Hole, and the first end of the shaped piece and the second end are respectively provided with a positioning convex, and the positioning convex has plane,
When the hardness of the internal spline of the internal splined hole to the shaped piece is tested, the projection of the first end and the second end
It is separately fixed on the test bearing platform and the auxiliary bearing platform, and the downside of the first end is located at test sky
Between, the disgusting internal splined hole positioned at the shaped piece of the test.
It is removable as the further preferred embodiment of the forced test device to the present invention, the test bearing platform
The test bracket is arranged at dynamicly, and the test bearing platform can be along the short transverse of the test bracket in the test bracket
Upper and lower end between move, the auxiliary bearing platform is movably arranged at the auxiliary stand, and the auxiliary is held
Galassing platform can move along the short transverse of the auxiliary stand between the upper and lower end of the auxiliary stand.
As the further preferred embodiment of the forced test device to the present invention, the hardometer includes a survey
Try spinning roller and a test screw mandrel, the test screw mandrel be arranged at the test bracket and it is driven be arranged at the test spinning roller,
And the bearing of trend of the test screw mandrel is consistent with the bearing of trend of the test bracket, the test bearing platform is set drivenly
In the test screw mandrel, so that the test screw mandrel drives the short transverse of the test bearing platform along the test bracket in the test
Moved between the upper and lower end of support；One auxiliary spinning roller of the auxiliary support apparatus and an auxiliary screw mandrel, the auxiliary
Screw mandrel be arranged at the auxiliary stand and it is driven be arranged at the auxiliary spinning roller, and the bearing of trend of the auxiliary screw mandrel and should
The bearing of trend of auxiliary stand is consistent, and the auxiliary bearing platform is arranged at the auxiliary screw mandrel drivenly, so that the auxiliary screw mandrel
The short transverse of the auxiliary bearing platform along the auxiliary stand is driven to be moved between the upper and lower end of the auxiliary stand
It is dynamic.
As the further preferred embodiment of the forced test device to the present invention, the test spinning roller is arranged at this
Test bench, the auxiliary spinning roller are arranged at the supplementary base.
The beneficial effect of the forced test device of the present invention is：The forced test device includes a hardometer
And an auxiliary support apparatus, the auxiliary support apparatus and the hardometer are disposed adjacently, so that the hardometer and the auxiliary
Support meanss can cooperate and be used for the quenching hardness of the inner surface of the internal splined hole of one shaped piece of detection, so as to judge
Whether the quenching technical of the shaped piece succeeds.The shaped piece is tested by the forced test device, action is simple, surveys
Amount is accurate, and can realize non-demolition sampling and total detection, and reliability is high.
Brief description of the drawings
In order to obtain the above and other advantage and feature of the present invention, hereinafter with reference to the tool of the invention shown in accompanying drawing
Body embodiment carries out more specific description to the present invention outlined above.It should be understood that these accompanying drawings illustrate only the present invention
Exemplary embodiments, therefore be not construed as limiting the scope of the present invention, by using accompanying drawing, the present invention will be carried out more
Specific and more detailed description and elaboration.In the accompanying drawings：
Fig. 1 is that this is used for the forced measurement apparatus of shaped piece internal spline case hardness in the internal spline table to the shaped piece
Schematic diagram when surface hardness is tested.
Fig. 2 is Fig. 1 local location enlarged diagram.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
General principle of the invention can apply to other embodiments, deformation program, improvement project, equivalent and do not carry on the back
From the other technologies scheme of the spirit and scope of the present invention.
Figures 1 and 2 show that the one kind provided according to the spirit of the present invention is used for shaped piece internal spline case hardness
Forced measurement apparatus, the forced measurement apparatus can be to the surface hardening hardness of the internal splined hole 31 of a shaped piece 3
Tested, to judge whether the quenching technical to the shaped piece 3 succeeds, so as to ensure the quality of the shaped piece 3, the shaped piece
3 can be balance arm, such as the balance arm of armored vehicle.Specifically, the forced measurement apparatus includes an Auxiliary support
Device 1 and a hardometer 2, the auxiliary support apparatus 1 and the hardometer 2 can be disposed adjacently, and cooperate and it is right
The shaped piece 3 is tested.The shaped piece 3 has a first end 32 and a second end 33, the He of first end 32
The second end 33 is mutually corresponding, and to define the length of the shaped piece 3, the internal splined hole 31 is arranged at the first end 32, wherein
The surface of the internal splined hole 31 is internal spline.When testing the shaped piece 3, the auxiliary support apparatus 1 supports the abnormity
The second end 33 of part 3, the hardometer 2 supports the first end 31 of the shaped piece 3, and the hardometer 2 is used to test
The quenching hardness of the inner surface of the internal splined hole 31 of the shaped piece 1.
The hardometer 2 includes a test bracket 22, one of Test bench 21, one and tests 23, surveys of bearing platform
Examination positioning convex 24 and a testing pressure head 25, the bottom of the test bracket 22 are arranged at the Test bench 21, the test
Bearing platform 23 is arranged at the upper end of the test bracket 22, and the test position fix projection 24 is arranged at the test bearing platform 23
Upside, and test position fix projection 24 has cambered surface, for the first end 32 of the support shaped piece 3, and the abnormity
The outer surface of the arc of the first end 32 of part 3 can fit in the cambered surface of the test position fix projection 24, the testing pressure head 25
The upper end of the test bracket 22 is arranged at, and the testing pressure head 25 is located at the upside of the test position fix projection 24, with this
A test space 26 is formed between testing pressure head 25 and the test position fix projection 24.Preferably, test position fix projection 24 1
Take shape in the test bearing platform 23 body.In a further embodiment, it is different can also to be formed at this for the test position fix projection 24
The first end 32 of shape part 3, and test position fix projection 24 has plane, so that the test of the shaped piece 3 is determined
Position projection 24 can fit in the upside of the test bearing platform 23.
The hardometer 2 include one test spinning roller 27, the test spinning roller 27 be arranged on the test bracket 22 bottom and
Between the Test bench 21, so that the test spinning roller 27 drives the test bracket 22 to do the rotation relative to the Test bench 21,
Subsequently to realize aligning to the shaped piece 3.
In addition, the test bearing platform 23 is movably arranged at the test bracket 22, and the test bearing platform 23
It can be moved along the short transverse of the test bracket 22 between the upper and lower end of the test bracket 22, so as to adjust this
Test the height and position of the first end 32 of the shaped piece 3 that bearing platform 23 supports.Specifically, the hardometer 2 includes
One test screw mandrel 28, the test screw mandrel 28 are arranged at the test bracket 22, and the bearing of trend of the test screw mandrel 28 and should
The bearing of trend of test bracket 22 is consistent, and the test bearing platform 23 is arranged at the test screw mandrel 28 drivenly, so that the survey
Try screw mandrel 28 and drive the short transverse of the test bearing platform 2322 along the test bracket in the upper end of the test bracket 22
Moved between bottom.
The auxiliary support apparatus 1 include the auxiliary stand 12, one of a supplementary base 11, one auxiliary bearing platform 13 and
One auxiliary positioning projection 14, the bottom of the auxiliary stand 12 are arranged at the supplementary base 11, and the auxiliary bearing platform 13 is set
The upper end of the auxiliary stand 12 is placed in, the auxiliary positioning projection 14 is arranged at the upside of the auxiliary bearing platform 13, and should
Auxiliary positioning projection 14 has cambered surface, for the second end 33 of the support shaped piece 3, and the shaped piece 3 this second
The outer surface of the arc of end 33 can fit in the cambered surface of the auxiliary positioning projection 24.Preferably, the auxiliary positioning projection 14
It is integrally formed in the auxiliary bearing platform 13.In a further embodiment, the auxiliary positioning projection 14 can also be formed at this
The second end 33 of shaped piece 3, and auxiliary positioning projection 14 has plane, so that the auxiliary of the shaped piece 3
Positioning convex 14 can fit in the upside of the auxiliary bearing platform 13.
Preferably, the auxiliary support apparatus 1 includes an auxiliary spinning roller 15, and the auxiliary spinning roller 15 is arranged on the auxiliary stand
Between 12 bottom and the supplementary base 11, so that the auxiliary spinning roller 15 drives the test bracket 12 to do relative to the auxiliary base
The rotation of seat 11.
In addition, the auxiliary bearing platform 13 is movably arranged at the auxiliary stand 12, and the auxiliary bearing platform 13
It can be moved along the short transverse of the auxiliary stand 12 between the upper and lower end of the auxiliary stand 12, so as to adjust this
Aid in the height and position of the second end 33 of the shaped piece 3 of the support of bearing platform 13.Specifically, the auxiliary support apparatus
1 includes an auxiliary screw mandrel 16, and the auxiliary screw mandrel 16 is arranged at the auxiliary stand 12, and the bearing of trend of the auxiliary screw mandrel 16
Consistent with the bearing of trend of the auxiliary stand 12, the auxiliary bearing platform 13 is arranged at the auxiliary screw mandrel 16 drivenly, so that
The auxiliary screw mandrel 16 drives the short transverse of the auxiliary bearing platform 13 along the auxiliary stand 12 in the upper of the auxiliary stand 12
Moved between end and bottom.
The quenching hardness of the inner surface of the internal splined hole 31 of the shaped piece 3 is being carried out using the forced test device
During test, the first end 32 of the shaped piece 3 is placed in the test position fix projection 24, and make the first end 32
The upper surface of the arc of the outer surface of arc and the test position fix projection 24 fits together, by second end of the shaped piece 3
Portion 33 is placed in the auxiliary positioning projection 14, and makes the outer surface of the arc of the second end 33 and the auxiliary positioning raised
The upper surface of 14 arc fits together, and now, first end 32 and the second end 32 of the shaped piece 3 are respectively by this
Hardometer 2 and the auxiliary support apparatus 1 support, and the downside of the first end 32 of the shaped piece 3 is located at the test space
26, the testing pressure head 25 of the hardometer 2 is located in the internal splined hole 31 of the shaped piece 3, the testing pressure head 25 and the abnormity
The internal spline in the internal splined hole 31 of part 3 is substantially vertical.The testing pressure head 25 can be convex nose testing pressure head.Rotation
The test spinning roller 27 of the hardometer 2 is to drive the test screw mandrel 28 to move and be further driven on the test bearing platform 23
Lower movement, that is to say, that the test screw mandrel 28 is connected to the test spinning roller 27 drivenly.Meanwhile rotate Auxiliary support dress
The 1 auxiliary spinning roller 16 is put to move down on the auxiliary bearing platform 13 to drive the auxiliary screw mandrel 16 to move and further drive
It is dynamic, that is to say, that the auxiliary screw mandrel 16 is connected to the auxiliary spinning roller 15 drivenly.In such manner, it is possible to adjust being somebody's turn to do for the shaped piece 3
In the height and position of first end 32 and the second end 33 to internal splined hole 31 of the testing pressure head 25 and the shaped piece 3
The spline face of internal spline, aligned, and the hardness of the spline flank of tooth of the shaped piece 3 can be tested with realizing.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (9)
1. a kind of forced detection method of shaped piece internal spline case hardness, it is characterised in that employ including a hardness
The forced test device of meter and an auxiliary support apparatus, the auxiliary support apparatus are disposed adjacently in the hardometer,
The hardometer includes a Test bench, a test bracket, a test bearing platform, a test position fix projection and one
Individual testing pressure head, the bottom of the test bracket are arranged at the Test bench, and the test bearing platform is arranged at the test bracket
Upper end, the test position fix projection is arranged at the upside of the test bearing platform, and test position fix projection has cambered surface,
The testing pressure head is arranged at the upper end of the test bracket, and the testing pressure head is located at the raised upside of the test position fix, with
A test space is formed between the testing pressure head and the test position fix projection；The auxiliary support apparatus includes an auxiliary base
Seat, an auxiliary stand, an auxiliary bearing platform and an auxiliary positioning projection, the bottom of the auxiliary stand are arranged at
The supplementary base, the auxiliary bearing platform are arranged at the upper end of the auxiliary stand, and the auxiliary positioning projection is arranged at the auxiliary
The upside of bearing platform, and auxiliary positioning projection has cambered surface, and the wherein shaped piece has a first end and one
Individual the second end, the first end and the second end are mutually corresponding to define the length of the shaped piece, the shaped piece it is described
First end is provided with internal splined hole, and the first end of the shaped piece and the second end are respectively provided with the outer surface of arc,
When the hardness of the internal spline of the internal splined hole to the shaped piece is tested, it is convex that the first end is arranged at the test position fix
Rise so that the first end fits in test position fix projection, the second end is arranged at auxiliary positioning projection so that this
Two ends fit in auxiliary positioning projection, and the downside of the first end is located at the test space, and the testing pressure head is located at
The internal splined hole of the shaped piece.
2. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 1, it is characterised in that should
Test position fix is raised integrally formed in the test bearing platform, and auxiliary positioning projection is integrally formed to put down in the auxiliary load-bearing
Platform.
3. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 1, it is characterised in that should
Test bearing platform is movably arranged at the test bracket, and the test bearing platform can be along the height of the test bracket
Direction is moved between the upper and lower end of the test bracket, and the auxiliary bearing platform is movably arranged at the auxiliary branch
Frame, and the auxiliary bearing platform can along the auxiliary stand short transverse the upper and lower end of the auxiliary stand it
Between move.
4. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 3, it is characterised in that should
Hardometer includes an a test spinning roller and test screw mandrel, and the test screw mandrel is arranged at the test bracket and driven set
The test spinning roller is placed in, and the bearing of trend of the test screw mandrel is consistent with the bearing of trend of the test bracket, the test load-bearing
Platform is arranged at the test screw mandrel drivenly, so that the test screw mandrel drives the test bearing platform along the test bracket
Short transverse moves between the upper and lower end of the test bracket；The auxiliary support apparatus one aids in spinning roller and one
Aid in screw mandrel, the auxiliary screw mandrel is arranged at the auxiliary stand and driven is arranged at the auxiliary spinning roller, and the auxiliary wire
The bearing of trend of bar is consistent with the bearing of trend of the auxiliary stand, and the auxiliary bearing platform is arranged at the auxiliary wire drivenly
Bar, so that the auxiliary screw mandrel drives the short transverse of the auxiliary bearing platform along the auxiliary stand in the upper end of the auxiliary stand
Moved between portion and bottom.
5. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 4, it is characterised in that should
Test spinning roller is arranged at the Test bench, also aids in spinning roller to be arranged at the supplementary base.
A kind of 6. forced detection method of shaped piece internal spline case hardness, it is characterised in that the forced test device bag
A hardometer and an auxiliary support apparatus are included, the auxiliary support apparatus is disposed adjacently in the hardometer, the hardness
Meter includes a Test bench, a test bracket, a test bearing platform and a testing pressure head, the test bracket
Bottom is arranged at the Test bench, and the test bearing platform is arranged at the upper end of the test bracket, and the testing pressure head is set
In the upper end of the test bracket, and the testing pressure head is located at the upside of the test bearing platform, with the testing pressure head and
A test space is formed between the test bearing platform；The auxiliary support apparatus includes a supplementary base, an auxiliary stand
And an auxiliary bearing platform, the bottom of the auxiliary stand are arranged at the supplementary base, the auxiliary bearing platform is arranged at
The upper end of the auxiliary stand, the wherein shaped piece have a first end and a second end, the first end and
The second end is mutually corresponding, and to define the length of the shaped piece, the first end of the shaped piece is provided with internal splined hole, and
And the first end of the shaped piece and the second end are respectively provided with a positioning convex, the positioning convex has plane, right
When the hardness of the internal spline of the internal splined hole of the shaped piece is tested, the raised difference of the first end and the second end
It is fixed on the test bearing platform and the auxiliary bearing platform, and the downside of the first end is located at the test space, should
Test disgusting internal splined hole positioned at the shaped piece.
7. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 6, it is characterised in that should
Test bearing platform is movably arranged at the test bracket, and the test bearing platform can be along the height of the test bracket
Direction is moved between the upper and lower end of the test bracket, and the auxiliary bearing platform is movably arranged at the auxiliary branch
Frame, and the auxiliary bearing platform can along the auxiliary stand short transverse the upper and lower end of the auxiliary stand it
Between move.
8. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 7, it is characterised in that should
Hardometer includes an a test spinning roller and test screw mandrel, and the test screw mandrel is arranged at the test bracket and driven set
The test spinning roller is placed in, and the bearing of trend of the test screw mandrel is consistent with the bearing of trend of the test bracket, the test load-bearing
Platform is arranged at the test screw mandrel drivenly, so that the test screw mandrel drives the test bearing platform along the test bracket
Short transverse moves between the upper and lower end of the test bracket；The auxiliary support apparatus one aids in spinning roller and one
Aid in screw mandrel, the auxiliary screw mandrel is arranged at the auxiliary stand and driven is arranged at the auxiliary spinning roller, and the auxiliary wire
The bearing of trend of bar is consistent with the bearing of trend of the auxiliary stand, and the auxiliary bearing platform is arranged at the auxiliary wire drivenly
Bar, so that the auxiliary screw mandrel drives the short transverse of the auxiliary bearing platform along the auxiliary stand in the upper end of the auxiliary stand
Moved between portion and bottom.
9. a kind of forced detection method of shaped piece internal spline case hardness as claimed in claim 8, it is characterised in that should
Test spinning roller is arranged at the Test bench, and the auxiliary spinning roller is arranged at the supplementary base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710645038.8A CN107607421A (en) | 2017-08-01 | 2017-08-01 | The forced detection method of shaped piece internal spline case hardness |
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|---|---|---|---|
| CN201710645038.8A CN107607421A (en) | 2017-08-01 | 2017-08-01 | The forced detection method of shaped piece internal spline case hardness |
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| CN106198274A (en) * | 2016-08-30 | 2016-12-07 | 无锡东恒新能源科技有限公司 | Carbon nano tube paste dispersion zirconium oxide bead inner hardness tests device |
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|---|---|---|---|---|
| CN102478474A (en) * | 2010-11-26 | 2012-05-30 | 王严岩 | Hardness testing method and usage thereof |
| CN202256080U (en) * | 2011-09-27 | 2012-05-30 | 山东省果树研究所 | Fruit hardness tester |
| CN102494965A (en) * | 2011-11-30 | 2012-06-13 | 重庆工具厂有限责任公司 | Hardness testing device for special-shaped pieces |
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Application publication date: 20180119 |