CN108955459A - A kind of detection method of cubing and differential assembly precision - Google Patents
A kind of detection method of cubing and differential assembly precision Download PDFInfo
- Publication number
- CN108955459A CN108955459A CN201810878050.8A CN201810878050A CN108955459A CN 108955459 A CN108955459 A CN 108955459A CN 201810878050 A CN201810878050 A CN 201810878050A CN 108955459 A CN108955459 A CN 108955459A
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- differential assembly
- positioning
- cubing
- crossbeam
- differential
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000010009 beating Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to the detection methods of a kind of cubing and differential assembly precision.The cubing for detecting differential assembly precision includes: bottom plate, positioning body, foundation, column, crossbeam, torsional spring, the first gauge stand for installing dial gauge, spheric probe, top pillar, guide rod, lifting platform, the second gauge stand and positioning seat for installing dial gauge.Its detection project is more, it can detect the precision after left and right shell attaches together, also the tooth form circular runout after can detecte gear ring assembly, versatility is good, and by replacement positioning body and positioning seat, multi-assortment production measurement may be implemented, it is easy to operate, differential assembly positioning is close to by gravity, eliminates position error, improves measurement accuracy.
Description
Technical field
The present invention relates to the detection methods of a kind of cubing and differential assembly precision.
Background technique
Seperated assembled differential mechanism by left housing, right shell as shown in Figure 1, be bolted together.After assembly, it is desirable that two
Bearing position, gear ring installation position must be coaxial.Since manufacturing and positioning errors accumulate, there are off-gage phenomenons for concentricity.Differential mechanism is total
After assembly gear ring, as shown in Fig. 2, since there are left and right poor shell mismachining tolerance, left and right shell rigging error, gear ring heat treatments
Deform equal error accumulation.Often there is off-gage phenomenon in tooth runout amount, consumer feedback retarder driving tooth and gear ring (passive tooth)
Between gap can not be adjusted to as defined within the scope of sideshake.Due to problem above, need quickly detect differential in production scene
Device assembly, to judge whether product is qualified.
At present for split type differential mechanism, gear ring and left and right poor shell are to detect respectively, are unable to judge accurately after attaching together
Deviation.
Summary of the invention
Present invention seek to address that the above problem, provides the detection method of a kind of cubing and differential assembly precision, it is examined
Survey project is more, can detect the precision after left and right shell attaches together, the tooth form circular runout after also can detecte gear ring assembly, versatility
It is good, by replacement positioning body and positioning seat, multi-assortment production measurement may be implemented, easy to operate, differential assembly positioning relies on
Gravity is close to, and eliminates position error, improves measurement accuracy, the technical scheme adopted is as follows:
A kind of cubing detecting differential assembly precision characterized by comprising bottom plate, positioning body, foundation, column, cross
Beam, torsional spring, the first gauge stand for installing dial gauge, spheric probe, top pillar, guide rod, lifting platform, for installing dial gauge
Two gauge stands and positioning seat, the positioning seat are fixed in bottom plate, and the positioning seat top surface is inclined mounting surface, and the positioning body is logical
It crosses screw to be connected on positioning seat, have and the bearing position clearance fit of differential assembly one end at the center of the positioning body
Location hole, the foundation are installed on bottom plate, and the bottom of the column is through at the centre bore in the centre bore of foundation and with foundation
It is slidably connected, the column is threadingly attached to the positioning of the first jackscrew on foundation, and the crossbeam is rotatablely connected by shaft
In on column, the one end of torsional spring and crossbeam Joint, the other end and column Joint provide a torsion counterclockwise for crossbeam
Square, the spheric probe are fixedly installed in the left end on crossbeam bottom surface and close to crossbeam, and the top pillar is fixedly installed in crossbeam top
Right end on face and close to crossbeam, first gauge stand are installed on column, the gauge head of the dial gauge of the first gauge stand clamping with
The tip contact of top pillar, the guide rod are two, and longitudinally disposed, bottom end is fixedly installed on bottom plate；The lifting platform sliding connects
It is connected on guide rod and is threadingly attached to the positioning of the second jackscrew on lifting platform, second gauge stand is fixedly installed in lifting platform
On.
On that basis of the above technical scheme, the top surface angle with horizontal plane of the positioning seat is 10 °.
It on that basis of the above technical scheme, further include guide rail and slide plate, the guide rail, which is fixedly installed on bottom plate, forms one
Sliding chamber, the slide plate are fixed on foundation bottom end, and the slide plate slides are connected in sliding chamber and are threadingly attached on guide rail
Third jackscrew positioning.
On that basis of the above technical scheme, the axis of the mounting hole of second gauge stand and the differential being installed on positioning body
The axis of device assembly has intersection point.
On that basis of the above technical scheme, the top plate that top surface is arcwall face is connected at the top of top pillar.
On that basis of the above technical scheme, the spheric probe is long to the torque arm length of shaft and the arm of force of top pillar to shaft
It spends equal.
A kind of detection method of differential assembly precision, it is characterised in that: above-mentioned cubing is used,
When detecting the precision after differential mechanism or so shell attaches together: the differential assembly after a1) attaching together left and right shell is placed in
On positioning body, the positioning hole of the bearing position insertion positioning body of differential assembly one end is between the two wide arc gap cooperation, differential mechanism
Weight component be adjacent to differential bearing position outer circle always on location hole inner wall, eliminate location fit gap to measurement
It influences；A2) rotate differential assembly, using the second gauge stand clamp the centimeter check differential mechanism other end bearing bit jitter,
The concentricity (with replacement of beating) of the axle position of gear ring and the beating degree of end face of flange are installed；
When the tooth form bounce of detection gear ring: b1) gear ring being assemblied on differential mechanism, differential assembly is placed in positioning body
On, the positioning hole of oblique positioning body is inserted into the bearing position of differential assembly one end, is between the two wide arc gap cooperation, differential assembly
Weight component be adjacent to differential bearing position outer circle always on location hole inner wall, eliminate location fit gap to measurement
It influences；B2 differential assembly) is rotated, the tooth form of the centimeter check gear ring clamped using the first gauge stand is beated.
The present invention has the advantage that detection project is more, it can detect the precision after left and right shell attaches together, also can detecte tooth
Tooth form circular runout after circle assembly, versatility is good, and by replacement positioning body and positioning seat, multi-assortment production survey may be implemented
Amount, easy to operate, differential assembly positioning is close to by gravity, eliminates position error, improves measurement accuracy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
A kind of embodiment of invention for those of ordinary skill in the art without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Fig. 1: the schematic diagram of the section structure of differential assembly；
Fig. 2: the schematic diagram of the section structure after gear ring is installed on differential assembly；
Fig. 3: the positive structure diagram of the cubing of detection differential assembly precision of the invention；
Fig. 4: the facing structure signal after installing differential assembly in the cubing of detection differential assembly precision of the invention
Figure；
Fig. 5: the side structure schematic view of the cubing of detection differential assembly precision of the invention；
Fig. 6: the overlooking structure diagram of the cubing of detection differential assembly precision of the invention；
Fig. 7: the structural schematic diagram of guide rod part of the present invention；
Fig. 8: the structural schematic diagram of top pillar of the present invention；
Specific embodiment
The invention will be further described with example with reference to the accompanying drawing:
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, the orientation of the instructions such as term "inner", "outside" is all based on specification
What orientation shown in the drawings was defined, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it is to be understood that, term "left", "right", "front", "rear", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be merely for convenience of describing based on attached orientation or positional relationship shown in Fig. 3
The present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
As shown in Fig. 3 to Fig. 7, a kind of cubing of detection differential assembly precision of the present embodiment, which is characterized in that packet
Include: bottom plate 1, positioning body 2, foundation 3, column 4, crossbeam 5, torsional spring 6, the first gauge stand 7 for installing dial gauge, spheric probe 8,
Top pillar 9, guide rod 10, lifting platform 11, the second gauge stand 12 and positioning seat 15 for installing dial gauge, the positioning seat 15 are fixed in
Bottom plate 1,15 top surface of positioning seat are inclined mounting surface, and the positioning body 2 is connected by screw on positioning seat 15, described
There is the location hole 20 with the bearing position clearance fit of differential assembly one end, the foundation 3 is installed at the center of positioning body 2
On bottom plate 1, the bottom of the column 4 is through in the centre bore of foundation 3 and is slidably connected with the centre bore of foundation 3, the column 4
The first jackscrew 13 positioning being threadingly attached on foundation 3, the crossbeam 5 are rotationally connected on column 4 by shaft 40, institute
6 one end of torsional spring and 5 Joint of crossbeam, the other end and 4 Joint of column are stated, provides a torque counterclockwise, the ball for crossbeam 5
Shape gauge head 8 is fixedly installed in the left end on 5 bottom surface of crossbeam and close to crossbeam 5, and the top pillar 9 is fixedly installed on 5 top surface of crossbeam
And close to the right end of crossbeam 5, first gauge stand 7 is installed on column 4, the gauge head for the dial gauge that first gauge stand 7 clamps with
The tip contact of top pillar 9, the guide rod 10 are two, and longitudinally disposed, bottom end is fixedly installed on bottom plate 1；The lifting platform 11
It is slidably connected on guide rod 10 and is threadingly attached to the positioning of the second jackscrew 14 on lifting platform 11, second gauge stand 12 is solid
Dingan County is loaded on lifting platform 11.
Preferably, the top surface angle with horizontal plane of the positioning seat 15 is 10 °.
It preferably, further include guide rail 16 and slide plate 17, the guide rail 16 is fixedly installed in the sliding chamber of composition one on bottom plate 1, institute
It states slide plate 17 to be fixed on 3 bottom end of foundation, the slide plate 17 is slidably connected in sliding chamber and is threadingly attached on guide rail 16
Third jackscrew 18 position.
Preferably, the axis of the axis of the mounting hole of second gauge stand 12 and the differential assembly being installed on positioning body 2
Line has intersection point.
As shown in Figure 8, it is preferred that the top of top pillar 9 is connected with the top plate 19 that top surface is arcwall face.
Preferably, the torque arm length of the spheric probe 8 to shaft 40 is equal with the torque arm length of top pillar 9 to shaft 40.
A kind of detection method of differential assembly precision, it is characterised in that: detect the essence after differential mechanism or so shell attaches together
When spending: a1) left and right shell is attached together after differential assembly be placed on positioning body, the insertion of the bearing position of differential assembly one end is fixed
The positioning hole of position body is between the two wide arc gap cooperation, and the weight component of differential mechanism is adjacent to differential bearing position outer circle always
On location hole inner wall, influence of the location fit gap to measurement is eliminated；A2 differential assembly) is rotated, the second gauge stand is used
The bearing position 50 of the centimeter check differential mechanism other end of 12 clampings is beated, the concentricity of the axle position 51 of installation gear ring is (with bounce
Instead of) and end face of flange 52 beating degree；
When the tooth form bounce of detection gear ring: b1) gear ring 30 being assemblied on differential mechanism, differential assembly is placed in positioning body
On, the positioning hole of oblique positioning body is inserted into the bearing position of differential assembly one end, is between the two wide arc gap cooperation, differential assembly
Weight component be adjacent to differential bearing position outer circle always on location hole inner wall, eliminate location fit gap to measurement
It influences；B2 differential assembly) is rotated, the tooth form of the centimeter check gear ring clamped using the first gauge stand 7 is beated.
The present invention is described by way of example above, but the present invention is not limited to above-mentioned specific embodiment, all to be based on
Any changes or modifications that the present invention is done are fallen within the scope of the claimed invention.
Claims (7)
1. it is a kind of detect differential assembly precision cubing characterized by comprising bottom plate (1), positioning body (2), foundation (3),
Column (4), crossbeam (5), torsional spring (6), the first gauge stand (7) for installing dial gauge, spheric probe (8), top pillar (9), guide rod
(10), lifting platform (11), the second gauge stand (12) and positioning seat (15) for installing dial gauge, the positioning seat (15) are fixed in
Bottom plate (1), positioning seat (15) top surface are inclined mounting surface, and the positioning body (2) is connected by screw in positioning seat
(15) there is the location hole (20) with the bearing position clearance fit of differential assembly one end on, at the center of the positioning body (2),
The foundation (3) is installed on bottom plate (1), the bottom of the column (4) be through in the centre bore of foundation (3) and with foundation (3)
Centre bore be slidably connected, the column (4) be threadingly attached to the first jackscrew (13) on foundation (3) positioning.
2. a kind of cubing for detecting differential assembly precision according to claim 1, it is characterised in that: the crossbeam (5)
It is rotationally connected on column (4) by shaft (40), described torsional spring (6) one end and crossbeam (5) Joint, the other end and column
(4) Joint provides a torque counterclockwise for crossbeam (5), and the spheric probe (8) is fixedly installed on crossbeam (5) bottom surface
And close to the left end of crossbeam (5), the top pillar (9) is fixedly installed in the right end on crossbeam (5) top surface and close to crossbeam (5), institute
It states the first gauge stand (7) to be installed on column (4), the top of the gauge head and top pillar (9) of the dial gauge of the first gauge stand (7) clamping connects
Touching, the guide rod (10) are two, and longitudinally disposed, bottom end is fixedly installed on bottom plate (1)；The lifting platform (11) is slidably connected
In on guide rod (10) and the second jackscrew (14) positioning for being threadingly attached on lifting platform (11), second gauge stand (12) are solid
Dingan County is loaded on lifting platform (11).
3. a kind of cubing for detecting differential assembly precision according to claim 2, it is characterised in that: the positioning seat
(15) top surface angle with horizontal plane is 10 °.
4. a kind of cubing for detecting differential assembly precision according to claim 2, it is characterised in that: further include guide rail
(16) and slide plate (17), the guide rail (16) are fixedly installed in the sliding chamber of composition one on bottom plate (1), and the slide plate (17) is fixed in bottom
On column (3) bottom end, third jackscrew that the slide plate (17) is slidably connected in sliding chamber and is threadingly attached on guide rail (16)
(18) it positions.
5. a kind of cubing for detecting differential assembly precision according to claim 1, it is characterised in that: second gauge stand
(12) axis of mounting hole and the axis for the differential assembly being installed on positioning body (2) have intersection point, it is preferred that top pillar (9)
Top be connected with top surface be arcwall face top plate (19).
6. a kind of cubing for detecting differential assembly precision according to claim 1, it is characterised in that: the spheric probe
(8) equal with the torque arm length of top pillar (9) to shaft (40) to the torque arm length of shaft (40).
7. a kind of detection method of differential assembly precision, it is characterised in that: using as described in claim 1 to 6 any one
Cubing,
When detecting the precision after differential mechanism or so shell attaches together: the differential assembly after a1) attaching together left and right shell is placed in positioning
On body, the positioning hole of the bearing position insertion positioning body of differential assembly one end is between the two wide arc gap cooperation, the weight of differential mechanism
Force component is adjacent to differential bearing position outer circle always on location hole inner wall, eliminates location fit gap to the shadow of measurement
It rings；A2 differential assembly) is rotated, the bearing position (50) for the centimeter check differential mechanism other end that the second gauge stand (12) clamp is used
Bounce, installation gear ring axle position (51) concentricity and end face of flange (52) beating degree；
When the tooth form bounce of detection gear ring: b1) gear ring (30) being assemblied on differential mechanism, differential assembly is placed in positioning body
On, the positioning hole of oblique positioning body is inserted into the bearing position of differential assembly one end, is between the two wide arc gap cooperation, differential assembly
Weight component be adjacent to differential bearing position outer circle always on location hole inner wall, eliminate location fit gap to measurement
It influences；B2 differential assembly) is rotated, the tooth form of the centimeter check gear ring clamped using the first gauge stand (7) is beated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878050.8A CN108955459A (en) | 2018-08-03 | 2018-08-03 | A kind of detection method of cubing and differential assembly precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878050.8A CN108955459A (en) | 2018-08-03 | 2018-08-03 | A kind of detection method of cubing and differential assembly precision |
Publications (1)
| Publication Number | Publication Date |
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| CN108955459A true CN108955459A (en) | 2018-12-07 |
Family
ID=64467280
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810878050.8A Pending CN108955459A (en) | 2018-08-03 | 2018-08-03 | A kind of detection method of cubing and differential assembly precision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160729A (en) * | 2019-06-19 | 2019-08-23 | 苏州众源测试技术有限公司 | A kind of differential mechanism shock table |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206107A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Check tool for measuring length of vehicle differential gear shell and measuring method |
| CN202853533U (en) * | 2012-10-12 | 2013-04-03 | 山东丰润机械制造有限公司 | Driving bevel gear ring run-out detector |
| CN202853532U (en) * | 2012-10-12 | 2013-04-03 | 山东丰润机械制造有限公司 | Driven bevel gear ring run-out detector |
| CN103591878A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Engine assembling device and assembling method |
| CN103759607A (en) * | 2014-01-23 | 2014-04-30 | 日丰机械有限公司 | Belt pulley runout detecting tool |
| CN206146358U (en) * | 2016-11-10 | 2017-05-03 | 陕西汽车集团有限责任公司 | A detection instrument for differential mechanism assembly thrust clearance |
| CN206670498U (en) * | 2017-04-06 | 2017-11-24 | 无锡瑞圣机械科技有限公司 | A kind of rotor glitch detection cubing |
| CN206740027U (en) * | 2017-05-17 | 2017-12-12 | 保定永兴汽车同步器制造有限公司 | A kind of synchro converter ring pitch circle bounce and basal plane are away from comprehensive detection utensil |
| CN207635974U (en) * | 2017-12-21 | 2018-07-20 | 江苏太平洋齿轮传动有限公司 | Measure the combined detection tool of gear ring M values and gear ring circular runout |
| CN208920984U (en) * | 2018-08-03 | 2019-05-31 | 青岛华瑞汽车零部件股份有限公司 | A kind of cubing detected for differential assembly precision and tooth runout |
-
2018
- 2018-08-03 CN CN201810878050.8A patent/CN108955459A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206107A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Check tool for measuring length of vehicle differential gear shell and measuring method |
| CN202853533U (en) * | 2012-10-12 | 2013-04-03 | 山东丰润机械制造有限公司 | Driving bevel gear ring run-out detector |
| CN202853532U (en) * | 2012-10-12 | 2013-04-03 | 山东丰润机械制造有限公司 | Driven bevel gear ring run-out detector |
| CN103591878A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Engine assembling device and assembling method |
| CN103759607A (en) * | 2014-01-23 | 2014-04-30 | 日丰机械有限公司 | Belt pulley runout detecting tool |
| CN206146358U (en) * | 2016-11-10 | 2017-05-03 | 陕西汽车集团有限责任公司 | A detection instrument for differential mechanism assembly thrust clearance |
| CN206670498U (en) * | 2017-04-06 | 2017-11-24 | 无锡瑞圣机械科技有限公司 | A kind of rotor glitch detection cubing |
| CN206740027U (en) * | 2017-05-17 | 2017-12-12 | 保定永兴汽车同步器制造有限公司 | A kind of synchro converter ring pitch circle bounce and basal plane are away from comprehensive detection utensil |
| CN207635974U (en) * | 2017-12-21 | 2018-07-20 | 江苏太平洋齿轮传动有限公司 | Measure the combined detection tool of gear ring M values and gear ring circular runout |
| CN208920984U (en) * | 2018-08-03 | 2019-05-31 | 青岛华瑞汽车零部件股份有限公司 | A kind of cubing detected for differential assembly precision and tooth runout |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160729A (en) * | 2019-06-19 | 2019-08-23 | 苏州众源测试技术有限公司 | A kind of differential mechanism shock table |
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