CN209355851U - A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell - Google Patents
A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell Download PDFInfo
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- CN209355851U CN209355851U CN201920370826.5U CN201920370826U CN209355851U CN 209355851 U CN209355851 U CN 209355851U CN 201920370826 U CN201920370826 U CN 201920370826U CN 209355851 U CN209355851 U CN 209355851U
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- supporting block
- support frame
- spherical surface
- disk
- hole internal
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Abstract
The utility model discloses a kind of hole Internal Spherical Surface coaxiality check fixtures for automobile differential shell, comprising: pedestal；First supporting block；Second supporting block；Wherein, first V-shaped groove opening is greater than the opening of second V-shaped groove, the center line of first supporting block and second supporting block on the same line, for placing differential casing；Disk is arranged inside the differential casing, and the disk bottom is provided with the first gauge head, is in contact with the differential casing inner wall；Mandrel after one end sequentially passes through the differential casing and the disk, is fixed on the base；Support frame is arranged in the supporting block side；Lever is arranged in the middle part of support frame as described above, and described lever one end is provided with second side head, contacts at the top of second side head and the disk.The first gauge head is contacted with differential casing inner wall by rotating circular disk, and drives dial gauge to be read by lever, completes concentricity detection, and precision is high.
Description
Technical field
The utility model relates to a kind of hole Internal Spherical Surface coaxiality check fixtures for automobile differential shell, belong to machining
Field
Background technique
Differential mechanism is the important component in automobile, and left and right (or forward and backward) driving wheel realization can be made to rotate with different rotating speeds
Mechanism.Its function be when automobile turning travel or on uneven road surface when driving, the adjustable left and right wheels rotational speed difference of differential mechanism,
Roll left and right wheels with different rotating speeds, to guarantee that two sides driving wheel makees PURE ROLLING, mainly by planetary gear, planet
The parts such as wheel carrier (differential carrier), axle shaft gear composition, the structure of shell and processing precision direct influence differential mechanism it is normal
Work.
In order to guarantee machining accuracy, sphere diameter size and concentricity in shell are examined after differential casing processing
It surveys, existing detection method mostly uses three coordinate measurements and micrometer, feeds back result institute out from starting to detect using micrometer
Time is long, and three coordinates and micrometer are evaluated with multiple point fittings, and precision is low, and effect is poor.
Utility model content
The utility model has designed and developed a kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell, passes through rotation
Turning disk contacts the first gauge head with differential casing inner wall, and drives dial gauge to be read by lever, completes concentricity
Detection, time of measuring is short, and precision is high.
Another goal of the invention of the utility model are as follows: dial gauge automatically resets after the completion of realization detection.
Technical solution provided by the utility model are as follows:
A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell, comprising:
Pedestal；
First supporting block, on the base, top is provided with the first V-shaped groove for setting；
Second supporting block is oppositely arranged with first supporting block, and bottom is provided with the second V-shaped groove；
Wherein, first V-shaped groove opening is greater than the opening of second V-shaped groove, first supporting block and described the
The center line of two supporting blocks on the same line, for placing differential casing；
Disk is arranged inside the differential casing, and the disk bottom is provided with the first gauge head, with the difference
Fast device inner walls are in contact；
Mandrel, after one end sequentially passes through the differential casing and the disk, positioning is on the base；
Support frame is arranged in the supporting block side；
Lever is arranged in the middle part of support frame as described above, and described lever one end is provided with second side head, second side head with
Contact at the top of the disk；
Dial gauge, gauge head pass through support frame as described above at the top of after with the lever contact.
Preferably, further include reset spring, be arranged in support frame as described above lower part, described reset spring one end is resisted against
The lever bottom, the other end are resisted against support frame as described above bottom.
It preferably, further include position-limit mechanism, one end passes through and be supported on support frame as described above top, the position-limit mechanism
One end is close to the lever.
Preferably, it is additionally provided with fixation hole on the base, is located at first supporting block and second described
Between bracer.
Preferably, guide rail is provided on the pedestal, support frame as described above bottom is connected with sliding block.
Preferably, it is 0.05mm that the greatest measurement of the concentricity and minimum measured value, which are deteriorated,.
Preferably, support frame as described above side is provided with block.
Preferably, the base bottom is symmetrically arranged with stabilizer blade.
It is described in the utility model the utility model has the advantages that cooperated using disk and mandrel, rotation mandrel while, carries out disk
Rotation, and then the inner wall of the first gauge head that disk bottom is set and differential casing is come into full contact with, it will be arranged in lever one
Second side head and disk contact at end, and the dial gauge by being arranged in the lever other end is read, completes detection, when measurement
Between it is short, precision is high, visual strong, is suitble to use and promote on a large scale.
Detailed description of the invention
Fig. 1 is the front view of the hole Internal Spherical Surface coaxiality check fixture described in the utility model for automobile differential shell.
Fig. 2 is the A-A section view of the hole Internal Spherical Surface coaxiality check fixture described in the utility model for automobile differential shell
Figure.
Fig. 3 is the B of the hole Internal Spherical Surface coaxiality check fixture described in the utility model for automobile differential shell to signal
Figure.
Fig. 4 is the C of the hole Internal Spherical Surface coaxiality check fixture described in the utility model for automobile differential shell to signal
Figure.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figs 1-4, the utility model provides a kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell,
It include: pedestal 110, the first supporting block 120a, the second supporting block 120b, disk 130, mandrel 140, support frame 160, lever 170
And dial gauge 150.
Support frame 160 is rectangular parallelepiped structure, in its bottom, is symmetrical arranged there are four stabilizer blade 111, for support frame 160
Support, support frame 160 is placed on horizontal checkout table top, at the top of support frame 160, be provided with the first supporting block 120a and
Second supporting block 120b.
First supporting block 120a is vertically set on pedestal 160, is located at pedestal side, on the top of the first supporting block 120a
Portion offers the first V-shaped groove 121a, and the second supporting block 120b is vertically set on the pedestal 160, and with the first supporting block
120b is oppositely arranged, and the second V-shaped groove 121a is provided at the top of the second supporting block 120b.
First supporting block 120a is identical as the height of the second supporting block 120, and the opening of the first V-shaped groove 121a is greater than the 2nd V
The opening of shape slot 121b, in the present invention, as a preference, the width of the first supporting block 120a is greater than the second supporting block
The width of 120b.The center line of first supporting block 120a and the second supporting block 120b are located on the same line, the first supporting block
120a and the second supporting block 120b cooperate jointly, are used for holding vehicles differential casing.
On pedestal 110, between the first supporting block 120a and the second supporting block 120b, it is provided with fixation hole, automobile
Differential casing is placed on the first supporting block 120a and the second supporting block 120b, is supported by the first supporting block 120a and second
Block 120b supports differential casing 200.
Disk 130 is arranged in differential casing 200 and the side of disk is provided with the first survey in the bottom of disk 130
First 131, at the center of disk 130, circular through hole is offered, one end of mandrel 140 sequentially passes through differential casing 200 and disk
Afterwards, it enters in fixation hole, mandrel 140 is positioned, small―gap suture cooperates between the through-hole and mandrel 140 of disk 130, makes disk
130 can rotate synchronously with mandrel 140.
On the other side of pedestal 110, it is provided with support frame 160, support frame 160 is located at the first supporting block 120a and second
The side of supporting block 120b.
Support frame 160 includes the part of upper, middle and lower three, offers through slot in the horizontal direction at the middle part of support frame 160,
Lever 170 is arranged in through slot, in the lower part of support frame 160, is provided with reset spring, is arranged vertically at support frame
In the vertical channel of lower part 160, and one end of reset spring is resisted against the bottom of lever 170, and the other end, which is fixed at, to be located at
In the plug screw of vertical trench bottom, the side of support frame 160 is provided with dial gauge, dial gauge at the top of support frame 160
150 gauge head passes through the top of support frame 160 and the end thereof contacts of lever 170.The other end bottom of lever 170 is provided with second
Gauge head 171 is in contact with the upper surface of disk 130.It is also set at the top of support frame 160 positioned at the side of dial gauge 150
It is equipped with stop screw, passes perpendicularly through the top of support frame 160, and close to the top of lever.Support frame 160 is provided with sliding block
180, being provided with guide rail 190 on pedestal 110 can match with the sliding block that 160 bottom of support frame is arranged in, and adjust support frame 160
Position.Limited post is additionally provided between support frame 160 and the first supporting block 120a on pedestal 110.
In measurement, differential casing 200 is placed on the first supporting block 120a and the second supporting block 120b first, is led to
It crosses the first V-shaped groove 121a and the second V-shaped groove 121b positions differential casing, disk is placed on 200 shell of differential mechanism
Inside, after one end of mandrel 140 is sequentially passed through differential casing 200 and disk, mandrel is positioned by fixation hole,
By the spacing place of 160 integrated pushing of support frame to limited post, the second gauge head 171 of lever 170 is made to be placed on the top of disk 130
Portion, the second gauge head 171 are in contact with disk 130, rotation mandrel 140 1 weeks, read the reading of dial gauge 150, measure maximum value
It requires to be qualified in 0-0.05mm with the range of variation of minimum value.
Cooperated using disk and mandrel, rotation mandrel while rotates disk, and then makes to be arranged in disk bottom
The first gauge head and the inner wall of differential casing come into full contact with, second side head and disk contact of lever one end will be set, and
Dial gauge by the way that the lever other end is arranged in is read, and detection is completed, and time of measuring is short, and precision is high, visual strong.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. a kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell characterized by comprising
Pedestal；
First supporting block, on the base, top is provided with the first V-shaped groove for setting；
Second supporting block is oppositely arranged with first supporting block, and bottom is provided with the second V-shaped groove；
Wherein, first V-shaped groove opening is greater than the opening of second V-shaped groove, first supporting block with described second
The center line of bracer on the same line, for placing differential casing；
Disk is arranged inside the differential casing, and the disk bottom is provided with the first gauge head, with the differential mechanism
Inner walls are in contact；
Mandrel, after one end sequentially passes through the differential casing and the disk, positioning is on the base；
Support frame is arranged in the supporting block side；
Lever is arranged in the middle part of support frame as described above, and described lever one end is provided with second side head, second side head with it is described
Contact at the top of disk；
Dial gauge, gauge head pass through support frame as described above at the top of after with the lever contact.
2. the hole Internal Spherical Surface coaxiality check fixture according to claim 1 for automobile differential shell, which is characterized in that also
Including reset spring, it is arranged in support frame as described above lower part, described reset spring one end is resisted against the lever bottom, the other end
It is resisted against support frame as described above bottom.
3. the hole Internal Spherical Surface coaxiality check fixture according to claim 2 for automobile differential shell, which is characterized in that also
Including position-limit mechanism, one end passes through and is supported on support frame as described above top, and described position-limit mechanism one end is close to the lever.
4. the hole Internal Spherical Surface coaxiality check fixture according to claim 3 for automobile differential shell, which is characterized in that
It is additionally provided with fixation hole on the pedestal, between first supporting block and second supporting block.
5. the hole Internal Spherical Surface coaxiality check fixture according to claim 4 for automobile differential shell, which is characterized in that institute
It states and is provided with guide rail on pedestal, support frame as described above bottom is connected with sliding block.
6. the hole Internal Spherical Surface coaxiality check fixture according to claim 5 for automobile differential shell, which is characterized in that institute
It is 0.05mm that the greatest measurement and minimum measured value for stating concentricity, which are deteriorated,.
7. the hole Internal Spherical Surface coaxiality check fixture according to claim 6 for automobile differential shell, which is characterized in that institute
It states support frame side and is provided with block.
8. the hole Internal Spherical Surface coaxiality check fixture according to claim 7 for automobile differential shell, which is characterized in that institute
It states base bottom and is symmetrically arranged with stabilizer blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370826.5U CN209355851U (en) | 2019-03-22 | 2019-03-22 | A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370826.5U CN209355851U (en) | 2019-03-22 | 2019-03-22 | A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209355851U true CN209355851U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920370826.5U Active CN209355851U (en) | 2019-03-22 | 2019-03-22 | A kind of hole Internal Spherical Surface coaxiality check fixture for automobile differential shell |
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| CN (1) | CN209355851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288870A (en) * | 2020-04-24 | 2020-06-16 | 南京泰普森自动化设备有限公司 | Measuring system of inner curved surface cavity |
| CN114001615A (en) * | 2021-11-10 | 2022-02-01 | 方盛车桥（柳州）有限公司 | Rapid detection device and detection method for automobile differential shell |
-
2019
- 2019-03-22 CN CN201920370826.5U patent/CN209355851U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288870A (en) * | 2020-04-24 | 2020-06-16 | 南京泰普森自动化设备有限公司 | Measuring system of inner curved surface cavity |
| CN111288870B (en) * | 2020-04-24 | 2020-07-28 | 南京泰普森自动化设备有限公司 | Measuring system of inner curved surface cavity |
| CN114001615A (en) * | 2021-11-10 | 2022-02-01 | 方盛车桥（柳州）有限公司 | Rapid detection device and detection method for automobile differential shell |
| CN114001615B (en) * | 2021-11-10 | 2023-09-19 | 方盛车桥（柳州）有限公司 | Rapid detection device and detection method for automobile differential mechanism shell |
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Address after: No. 2088 Jiayuan Road, High tech Development Zone, Changchun City, Jilin Province, 130012 Patentee after: Changchun Xinjinlun Automotive Parts Co.,Ltd. Address before: No. 2088 Jiayuan Road, High tech Development Zone, Changchun City, Jilin Province, 130012 Patentee before: Changchun FAW Fourth Ring Jinlun Automobile Parts Co.,Ltd. |