CN207894337U - Differential carrier intracoelomic cavity is apart from detection instrument - Google Patents
Differential carrier intracoelomic cavity is apart from detection instrument Download PDFInfo
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- CN207894337U CN207894337U CN201820237718.6U CN201820237718U CN207894337U CN 207894337 U CN207894337 U CN 207894337U CN 201820237718 U CN201820237718 U CN 201820237718U CN 207894337 U CN207894337 U CN 207894337U
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- reference block
- shaped reference
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Apart from detection instrument, which includes for a kind of differential carrier intracoelomic cavity：U-shaped reference block, mandrel and measurement component, wherein：U-shaped reference block bottom is in contact with differential carrier intracoelomic cavity upper surface or inner cavity lower face, mandrel is set to the inner fovea part of U-shaped reference block and is coaxially disposed with differential casing both sides planet axis hole, the one end for measuring component is in contact with mandrel, it is in contact at the top of the other end and U-shaped reference block, inner face and planet axis hole distance is obtained by air plug gauge and the conversion of U-shaped reference block distance from top.The present apparatus can realize that differential casing inner face and the high-precision of planet axis hole centre distance detect, and testing accuracy can reach ± 0.025.
Description
Technical field
The utility model relates to a kind of technology of differential mechanism manufacture field, specifically a kind of differential carrier intracoelomic cavity away from
From detection instrument.
Background technology
In process, the control of differential casing inner face and planet axis hole centre distance is required very high.It should
The precision of distance influences the assembly of part in differential mechanism, further influences the comfort driven.The existing skill to the dimensional measurement
Art means include using three-dimensional coordinates measurement, and manufacture and design special electronic cubing and measure.The defect of three-dimensional coordinates measurement is to surveying
It is higher to measure environmental requirement, while time of measuring is long, can not timely feedback production scene.The defect of special electronic cubing is cubing
Complicated, manufacturing cost is high, simultaneously because being related to the electronic components such as accurate machine construction and sensor, maintenance cost is high.
Utility model content
The utility model is directed to deficiencies of the prior art, it is proposed that a kind of differential carrier intracoelomic cavity distance detection
Tool can realize that the high-precision of differential casing inner face and planet axis hole centre distance detects, testing accuracy can reach ±
0.025。
The utility model is achieved through the following technical solutions：
The utility model is related to a kind of differential carrier intracoelomic cavities apart from detection instrument, including：U-shaped reference block, mandrel and survey
Component is measured, wherein：U-shaped reference block bottom is in contact with differential carrier intracoelomic cavity upper surface or inner cavity lower face, and mandrel is set to U
The inner fovea part of type reference block is simultaneously coaxially disposed with differential casing both sides planet axis hole, and the one end for measuring component connects with mandrel
It touches, is in contact at the top of the other end and U-shaped reference block, inner face is obtained by air plug gauge and the conversion of U-shaped reference block distance from top
With planet axis hole distance.
The measurement component includes：Measurement table, measuring rod and sleeve, wherein：Sleeve stretches into differential casing side
It in output shaft hole, is fixedly connected with measurement table at the top of sleeve, measuring rod is located in sleeve and the measurement head of measurement table stretches into sleeve
It is interior to be in contact with measuring rod top.
The measurement table is dial gauge or amesdial, can be chosen according to the practical the required accuracy that measures.
The U-shaped reference block bottom is equipped with the check and correction slot for calibration measurement table.
Technique effect
Compared with prior art, the utility model realizes direct mechanical detection, greatly shortens measurement inner face
With planet axis hole apart from the required time, realizes and instruct equipment to adjust on production line side.Significantly simplify detection tool structure simultaneously,
Reduce manufacturing cost and subsequent maintenance cost.Verified, which realizes testing accuracy ± 0.025.
Description of the drawings
Fig. 1 is that the utility model is in 1 schematic diagram of measuring state；
Fig. 2 is that the utility model is in 2 schematic diagram of measuring state
Fig. 3 is that the utility model is in check and correction status diagram；
Fig. 4 is the three-view diagram of U-shaped reference block in the utility model；
Fig. 5 is U-shaped reference block sizing specification schematic diagram；
In figure：(a) it is left view, is (b) A-A cross section views, is (c) vertical view；U-shaped reference block 1, measures structure at mandrel 2
Part 3, differential casing 4, bushing 5, inner fovea part 11, check and correction slot 12, top end face 13, bottom face 14, measurement table 31, measuring rod 32,
Sleeve 33, elastomer 34, planet axis hole 41, inner cavity lower face 42, inner cavity upper surface 43；H1 is the height of U-shaped reference block 1, h2
For the diameter of mandrel 2, h3 is the depth for proofreading slot 12, and U-shaped 1 top end face 13 of reference block is at a distance from mandrel 2 when h4 is measures.
Specific implementation mode
As shown in figures 1 and 3, the present embodiment is related to a kind of differential carrier intracoelomic cavity apart from detection instrument, including：U-shaped base
Quasi- block 1, mandrel 2 and measurement component 3, wherein：1 bottom of U-shaped reference block and 4 inner cavity upper surface 42 of differential casing or inner cavity lower end
Face 43 is in contact, and mandrel 2 is set to the inner fovea part 11 of U-shaped reference block 1 and is coaxially set with 4 shell both sides planet axis hole 41 of differential mechanism
It sets, the measurement end for measuring the measuring rod 32 of component 3 is in contact with mandrel 2,33 positioning end of sleeve and 1 top end face 13 of U-shaped reference block
It is in contact.
The measurement component 3 includes：Measurement table 31, measuring rod 32 and sleeve 33, wherein：Sleeve 33 stretches into differential mechanism 4
In the output shaft hole of shell side, measurement table 31 is fixedly installed on 33 top of sleeve, and measuring rod 32 is located in sleeve 33 and measures
The measurement head of table 31 is stretched into sleeve 33 and is in contact with 32 top of measuring rod.
Elastomer 34 is equipped between 33 barrel of measuring rod 32 and sleeve.
The measurement table 31 is dial gauge or amesdial.
As shown in figure 3,1 bottom of U-shaped reference block is equipped with check and correction slot 12.
Device uses the depth for preceding needing the height h1 of U-shaped reference block 1 in calibration maps 4, the diameter h2 of mandrel 2, check and correction slot 12
H3 sizes.
The present embodiment is related to above-mentioned apparatus detection process, specific as follows：
S1, as shown in Fig. 2, by the inner fovea part 11 of U-shaped reference block 1 downwards be inverted, measure component 3 32 end of measuring rod with
The check and correction slot 12 of U-shaped reference block 1 is in contact, and 33 end of sleeve for measuring component 3 is in contact with the bottom face 14 of U-shaped reference block 1,
Check and correction 12 depth h3 of slot is measured, 31 pointer position of measurement table is adjusted to be proofreaded according to h3 calibration values；
S2, as shown in Figure 1, U-shaped reference block 1 is placed on 4 inner cavity lower face 42 of differential casing, then by mandrel 2
It is inserted into planet axis hole 41, bushing 5 is placed in output shaft hole, is measured component 3 and is placed in bushing, and makes 32 end of measuring rod and core
Axis 2 is in contact, and 33 end of sleeve is in contact with the top end face 13 of U-shaped reference block 1 obtains the first reading A1；
S3, h4, i.e. gap thickness are obtained according to check and correction 12 depth h3+ first of slot readings A1, then calculate U-shaped reference block 1
The diameter h2 of height h1- gap thickness h4- mandrels 2 obtains 4 inner cavity lower face 42 of differential casing and 41 center of planet axis hole
Distance.
S4, take out U-shaped reference block 1, mandrel 2, measure component 3, sleeve 5.Differential casing 4 is inverted, again by U-shaped base
Quasi- block 1 is placed on differential carrier intracoelomic cavity upper surface 43, and then mandrel 2 is inserted into planet axis hole 41, will directly measure structure
Part 3 is placed in output shaft hole, and 32 end of measuring rod is made to be in contact with mandrel 2, the top of sleeve 33 end and U-shaped reference block 1
Face 13 is in contact, and obtains the second reading A2.
S5, h4, i.e. gap thickness are obtained according to check and correction 12 depth h3+ second of slot readings A2, then calculate U-shaped reference block 1
The diameter h2 of height h1- gap thickness h4- mandrels 2 obtains 4 inner cavity upper surface 43 of differential casing and 41 center of planet axis hole
Distance.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the utility model principle and objective with
Different modes carries out it local directed complete set, and the scope of protection of the utility model is subject to claims and not by above-mentioned specific
Implementation is limited, and each implementation within its scope is by the constraint of the utility model.
Claims (5)
1. a kind of differential carrier intracoelomic cavity is apart from detection instrument, including：U-shaped reference block, mandrel and measurement component, wherein：U-shaped base
Quasi- block bottom is in contact with differential carrier intracoelomic cavity upper surface or inner cavity lower face, and mandrel is set to the inner fovea part of U-shaped reference block
And be coaxially disposed with differential casing both sides planet axis hole, the one end for measuring component is in contact with mandrel, the other end and U-shaped benchmark
It is in contact at the top of block, inner face and planet axis hole distance is obtained by air plug gauge and the conversion of U-shaped reference block distance from top.
2. tool according to claim 1, characterized in that the measurement component includes：Measurement table, measuring rod and set
Cylinder, wherein：Sleeve stretches into the output shaft hole of differential casing side, is fixedly connected with measurement table at the top of sleeve, measuring rod position
In in sleeve and the measurement head of measurement table stretch into sleeve with measuring rod at the top of be in contact.
3. tool according to claim 1, characterized in that the U-shaped reference block bottom, which is equipped with, is used for calibration measurement table
Check and correction slot.
4. tool according to claim 2, characterized in that the measurement table is dial gauge or amesdial.
5. tool according to claim 2, characterized in that be equipped with elastomer between the measuring rod and sleeve wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237718.6U CN207894337U (en) | 2018-02-10 | 2018-02-10 | Differential carrier intracoelomic cavity is apart from detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820237718.6U CN207894337U (en) | 2018-02-10 | 2018-02-10 | Differential carrier intracoelomic cavity is apart from detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207894337U true CN207894337U (en) | 2018-09-21 |
Family
ID=63543972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820237718.6U Active CN207894337U (en) | 2018-02-10 | 2018-02-10 | Differential carrier intracoelomic cavity is apart from detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207894337U (en) |
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2018
- 2018-02-10 CN CN201820237718.6U patent/CN207894337U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 201807 600 Huiwang Road, Jiading District, Shanghai Patentee after: Shanghai Automotive Transmission Co., Ltd. Address before: 201899 No. 1231 Jialuo Highway, Jiading District, Shanghai Patentee before: Shanghai NO.1 Automobile Gear Factory |