CN208920984U - A kind of cubing detected for differential assembly precision and tooth runout - Google Patents
A kind of cubing detected for differential assembly precision and tooth runout Download PDFInfo
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- CN208920984U CN208920984U CN201821248071.3U CN201821248071U CN208920984U CN 208920984 U CN208920984 U CN 208920984U CN 201821248071 U CN201821248071 U CN 201821248071U CN 208920984 U CN208920984 U CN 208920984U
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- differential assembly
- crossbeam
- positioning
- foundation
- column
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Abstract
The utility model relates to a kind of cubing, especially a kind of cubing detected for differential assembly precision and tooth runout.Cubing 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 utility model relates to a kind of cubings detected for differential assembly precision and tooth runout.
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.
Utility model content
The utility model aims to solve the problem that the above problem, provides one kind and detects for differential assembly precision and tooth runout
Cubing, its detection project is more, detectable left and right shell attach together after precision, the tooth form after also can detecte gear ring assembly is radial
Bounce, versatility is good, by replacement positioning body and positioning seat, multi-assortment production measurement may be implemented, easy to operate, differential mechanism is total
It is close at positioning by gravity, eliminates position error, improve measurement accuracy, the technical scheme adopted is as follows:
A kind of cubing detected for differential assembly precision and tooth runout characterized by comprising 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, use
In the second gauge stand and positioning seat of installation dial gauge, the positioning seat is fixed in bottom plate, and the positioning seat top surface is inclined peace
Dress face, the positioning body are connected by screw on positioning seat, have and differential assembly one end at the center of the positioning body
Bearing position clearance fit location hole, the foundation is installed on bottom plate, and the bottom of the column is through at the centre bore of foundation
In and be slidably connected with the centre bore of foundation, the column is threadingly attached to the positioning of the first jackscrew on foundation, the cross
Beam is rotationally connected on column by shaft, the one end of torsional spring and crossbeam Joint, and the other end and column Joint are crossbeam
A torque counterclockwise is provided, the spheric probe is fixedly installed in the left end on crossbeam bottom surface and close to crossbeam, the top pillar
It is fixedly installed in the right end on crossbeam top surface and close to crossbeam, first gauge stand is installed on column, the first gauge stand clamping
Dial gauge gauge head and top pillar tip contact, the guide rod be two, longitudinally disposed, bottom end is fixedly installed on bottom plate；
The lifting platform is slidably connected on guide rod and is threadingly attached to the positioning of the second jackscrew on lifting platform, second gauge stand
It is fixedly installed on lifting platform.
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.
The utility model has the advantages that detection project is more, can detect the precision after left and right shell attaches together, can also examine
Tooth form circular runout after surveying gear ring assembly, versatility is good, and by replacement positioning body and positioning seat, multi-assortment production may be implemented
Measurement, 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 illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is an embodiment of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be extended according to the attached drawing of offer and obtain 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 the detection differential assembly precision of the utility model；
Fig. 4: the facing structure after differential assembly is installed in the cubing of the detection differential assembly precision of the utility model
Schematic diagram；
Fig. 5: the side structure schematic view of the cubing of the detection differential assembly precision of the utility model；
Fig. 6: the overlooking structure diagram of the cubing of the detection differential assembly precision of the utility model；
Fig. 7: the structural schematic diagram of the utility model guide rod part；
Fig. 8: the structural schematic diagram of top pillar described in the utility model；
Specific embodiment
The utility model is described in further detail with example with reference to the accompanying drawing:
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that the orientation of the instructions such as term "inner", "outside" is all based on
What bright book orientation shown in the drawings was defined, it is merely for convenience of describing the present invention and simplifying the description, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance.
In the description of the present invention, it should be understood that term "left", "right", "front", "rear", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be merely for convenience of based on attached orientation or positional relationship shown in Fig. 3
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Fig. 3 to Fig. 7, a kind of cubing detected for differential assembly precision and tooth runout of the present embodiment,
It is characterised by comprising: bottom plate 1, positioning body 2, foundation 3, column 4, crossbeam 5, torsional spring 6, the first table for installing dial gauge
Seat 7, 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, it is described
Positioning seat 15 is fixed in bottom plate 1, and 15 top surface of positioning seat is inclined mounting surface, the positioning body 2 be connected by screw in
There is the location hole 20 with the bearing position clearance fit of differential assembly one end on positioning seat 15, at the center of the positioning body 2,
The foundation 3 is installed on bottom plate 1, and the bottom of the column 4 is through in the centre bore of foundation 3 and slides with the centre bore of foundation 3
Dynamic connection, the column 4 are threadingly attached to the positioning of the first jackscrew 13 on foundation 3, and the crossbeam 5 is rotated by shaft 40
It is connected on column 4, described 6 one end of torsional spring and 5 Joint of crossbeam, it is inverse to provide one for crossbeam 5 for the other end and 4 Joint of column
The torque of hour hands, the spheric probe 8 are fixedly installed in the left end on 5 bottom surface of crossbeam and close to crossbeam 5, and the top pillar 9 is fixed
It is installed on the right end on 5 top surface of crossbeam and close to crossbeam 5, first gauge stand 7 is installed on column 4, and first gauge stand 7 clamps
Dial gauge gauge head and top pillar 9 tip contact, the guide rod 10 be two, longitudinally disposed, bottom end is fixedly installed in bottom plate 1
On；The lifting platform 11 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 fixedly installed 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 utility model is illustrated by way of example above, but the utility model is not limited to above-mentioned specific implementation
Example, all ranges that the requires of the utility model protection is belonged to based on any changes or modifications that the utility model is done.
Claims (6)
1. a kind of cubing detected for differential assembly precision and tooth runout characterized by comprising bottom plate (1), positioning
Body (2), foundation (3), column (4), crossbeam (5), torsional spring (6), the first gauge stand (7), spheric probe for installing dial gauge
(8), top pillar (9), guide rod (10), lifting platform (11), the second gauge stand (12) and positioning seat (15) for installing dial gauge, it is described
Positioning seat (15) is fixed in bottom plate (1), and positioning seat (15) top surface is inclined mounting surface, and the positioning body (2) passes through spiral shell
Nail is connected on positioning seat (15), is had at the center of the positioning body (2) and is matched with the bearing interdigit gap of differential assembly one end
The location hole (20) of conjunction, the foundation (3) are installed on bottom plate (1), and the bottom of the column (4) is through at the center of foundation (3)
It is slidably connected in hole and with the centre bore of foundation (3), the column (4) is threadingly attached to the first jackscrew on foundation (3)
(13) it positions, the crossbeam (5) 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 provide a torque counterclockwise for crossbeam (5), and the spheric probe (8) is fixed
It is installed on the left end on crossbeam (5) bottom surface and close to crossbeam (5), the top pillar (9) is fixedly installed on crossbeam (5) top surface and leans on
The right end of nearly crossbeam (5), first gauge stand (7) are installed on column (4), the survey of the dial gauge of the first gauge stand (7) clamping
The tip contact of head and top pillar (9), the guide rod (10) are two, and longitudinally disposed, bottom end is fixedly installed on bottom plate (1)；Institute
It states lifting platform (11) and is slidably connected on guide rod (10) and is threadingly attached to the second jackscrew (14) on lifting platform (11) and determine
Position, second gauge stand (12) are fixedly installed on lifting platform (11).
2. a kind of cubing detected for differential assembly precision and tooth runout according to claim 1, feature exist
In: the top surface angle with horizontal plane of the positioning seat (15) is 10 °.
3. a kind of cubing detected for differential assembly precision and tooth runout according to claim 1, feature exist
In: it 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), the cunning
Plate (17) is fixed on foundation (3) bottom end, and the slide plate (17) is slidably connected in sliding chamber and is threadingly attached to guide rail
(16) third jackscrew (18) positioning on.
4. a kind of cubing detected for differential assembly precision and tooth runout according to claim 1, feature exist
In: the axis of the mounting hole of second gauge stand (12) and the axis for the differential assembly being installed on positioning body (2) have intersection point.
5. a kind of cubing detected for differential assembly precision and tooth runout according to claim 1, feature exist
In: the top plate (19) that top surface is arcwall face is connected at the top of top pillar (9).
6. a kind of cubing detected for differential assembly precision and tooth runout according to claim 1, feature exist
In: 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248071.3U CN208920984U (en) | 2018-08-03 | 2018-08-03 | A kind of cubing detected for differential assembly precision and tooth runout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248071.3U CN208920984U (en) | 2018-08-03 | 2018-08-03 | A kind of cubing detected for differential assembly precision and tooth runout |
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| Publication Number | Publication Date |
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| CN208920984U true CN208920984U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821248071.3U Active CN208920984U (en) | 2018-08-03 | 2018-08-03 | A kind of cubing detected for differential assembly precision and tooth runout |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955459A (en) * | 2018-08-03 | 2018-12-07 | 青岛华瑞汽车零部件股份有限公司 | A kind of detection method of cubing and differential assembly precision |
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2018
- 2018-08-03 CN CN201821248071.3U patent/CN208920984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955459A (en) * | 2018-08-03 | 2018-12-07 | 青岛华瑞汽车零部件股份有限公司 | A kind of detection method of cubing and differential assembly precision |
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