CN207280345U - A kind of power takeoff cone bearing gap adjusts test measuring device - Google Patents
A kind of power takeoff cone bearing gap adjusts test measuring device Download PDFInfo
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- CN207280345U CN207280345U CN201721209196.0U CN201721209196U CN207280345U CN 207280345 U CN207280345 U CN 207280345U CN 201721209196 U CN201721209196 U CN 201721209196U CN 207280345 U CN207280345 U CN 207280345U
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- power takeoff
- measuring device
- cone bearing
- dial gauge
- test measuring
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Abstract
The utility model provides a kind of power takeoff cone bearing gap adjustment test measuring device, belongs to machinery field.Test measuring device includes measurement base, scale fixed frame and dial gauge, wherein, the measurement base has at least three support feets；Measure base support feet can at the same time with cone bearing outer shroud end contact；Scale fixed frame is fixed on the side of measurement base, for fixing dial gauge；The measurement head of dial gauge is in the outside of the circle residing for support feet outer end.Detection method is measurement cone bearing outer shroud end face and the difference in height A and bearing cap seam allowance of power takeoff lid, then calculates bearing clearance；According to bearing clearance, suitable adjusting pad is selected.The test measuring device and method, its can essence, it is accurate, realize that power takeoff output shaft cone bearing gap quantifies soon.
Description
Technical field
The utility model belongs to machinery field, is related to a kind of power takeoff cone bearing gap adjustment test measuring device.
Background technology
Power takeoff requires strictly, if QH50, QH70 power takeoff are to output shaft axial gap the control of output shaft axial gap
Requirement be 0.05~0.10mm.If exceeded will cause the bounce of output shaft ring flange big, power takeoff output shaft oil sealing is caused to leak
Oily phenomenon.
At present, power takeoff assembling beat is 75 seconds/platform as QH50, QH70 power takeoff assemble beat quickly.In industry mostly
Using control of the following three kinds of methods to power takeoff output shaft cone bearing gap：
1) setting stick ring flange is used after the completion of, assembly tooling is matched somebody with somebody, ensures its gap by rule of thumb, does not accomplish accurately to quantify, and
And due to prior equipment adjustment pad, setting stick ring flange feels that the improper bearing cap that needs to dismantle is ressembled, existing unnecessary
Do over again and cannot meet design requirement；
2), detected with depthometer, it is necessary to which can just be measured by carrying out 3 measurements respectively to the bearing after press fitting and bearing cap by one group
Bearing clearance, efficiency are low, it is impossible to meet assembling beat；
3) machine, is adjusted using special gap, complicated cost is higher, and assembly line is accurately positioned and is automated and is wanted
Ask very high, common assembly line is difficult to use special gap adjustment machine and carries out bearing clearance adjustment.
Therefore, a kind of device that can accurately, accurately and rapidly quantify power takeoff output shaft cone bearing gap is lacked now
And method.
Utility model content
The purpose of this utility model is to provide a kind of power takeoff cone bearing gap to adjust test measuring device, its can essence, it is accurate,
Realize that power takeoff output shaft cone bearing gap quantifies soon.
The utility model is to be achieved through the following technical solutions：
A kind of power takeoff cone bearing gap adjusts test measuring device, including measurement base, scale fixed frame and dial gauge, its
In, the measurement base has at least three support feets；Measure base support feet can at the same time with cone bearing outer shroud end contact；
Scale fixed frame is fixed on the side of measurement base, for fixing dial gauge；The measurement head of dial gauge is residing for support feet outer end
Circle outside.
Preferably, the test measuring device further includes measuring basis base, and measuring basis base is removably disposed in measurement
The lower section of base, for calibrating dial gauge.
Preferably, the triangle that the lateral cross section of the measurement base is centrosymmetric, three angles of triangle are made respectively
For three support feets.
Preferably, measure and be respectively provided with arc-shaped chamfering on the outside of three support feets of base；Measure base has along axis
The circular lightening hole in heart direction.
Preferably, scale fixed frame includes preceding clamp arm and rear clamp arm, and preceding clamp arm is fixedly connected with one end of rear clamp arm, another
End is by fastening screw connection；The sleeve clamping of dial gauge is between preceding clamp arm and rear clamp arm.
Preferably, scale fixed frame is fixed on measurement base side by trip bolt.
Preferably, the dial gauge is digital display centimeter.
Preferably, the distance of the measurement head range measurement base center of dial gauge is more than outer the half of cone bearing outer shroud end face
Footpath.
Preferably, the distance of the measurement head range measurement base center of dial gauge is more than the outer radius of bearing cap seam allowance, small
In the outer radius of bearing cap and power takeoff lid contact surface.
Compared with prior art, the utility model has technique effect beneficial below：
The utility model provides a kind of power takeoff cone bearing gap adjustment test measuring device, it includes measuring base, scale
Fixed frame and dial gauge, measurement base have at least three support feets, the contact that can stablize with cone bearing outer shroud end face；Percentage
Table is fixed on the side of measurement base by scale fixed frame, its measurement head is in the outside of the circle occupied by support feet outer end；Such as
This, when that will measure base with cone bearing outer shroud end contact and as 0 benchmark of measurement, dial gauge contact point is power takeoff lid
Face, can so measure size A；Since the outside diameter of the outside diameter and cone bearing outer shroud of bearing cap seam allowance is basically identical, measurement
Base can also be contacted with bearing cap seam allowance, and in this, as 0 benchmark is measured, dial gauge contact point is bearing cap and power takeoff lid
Contact surface, thus measures size B；Operator only needs to be read according to dial gauge, and bearing clearance is calculated by plus and minus calculation：Axis
Holding gap=thickness after (A-B)-paper washer compression-finally needs the axial gap retained.So can essence, it is accurate, realize take soon
Power device output shaft bearing gap quantifies.
Brief description of the drawings
Fig. 1 is the power takeoff structure chart with taper roll bearing.
Fig. 2 is the schematic elevation view that a kind of power takeoff cone bearing gap provided by the utility model adjusts test measuring device.
Fig. 3 is the left view schematic diagram that a kind of power takeoff cone bearing gap provided by the utility model adjusts test measuring device.
Fig. 4 is the schematic top plan view that a kind of power takeoff cone bearing gap provided by the utility model adjusts test measuring device.
Fig. 5 adjusts test measuring device for a kind of power takeoff cone bearing gap provided by the utility model and measures size A (cone bearings
The difference in height of end face and housing end face) when operating diagram.
Wherein, in Figure of description, the implication of used symbol is as follows：
1 is measuring basis base；2 be measurement base；3 be scale fixed frame；4 be fastening spiral shell；5 be fixing screws；6 be hundred
Divide table；7 be cone bearing outer shroud；8 be power takeoff lid；9 be bearing cap；91 be bearing cap seam allowance.
Embodiment
The utility model is described in further detail with reference to specific embodiment, described is to the utility model
Explanation rather than restriction.
In actual production, lack a kind of power takeoff output shaft cone bearing gap of can accurately, accurately and rapidly quantifying
Apparatus and method.As shown in Figure 1, inventor, which attempts analysis power takeoff cone bearing gap, adjusts test measuring device in work and application
Specific requirement, condition and limitation, to design a qualified, applicable product：Due to cone bearing gap to be adjusted, we
Need 7 end face of cone bearing outer shroud and the difference in height (A sizes) and 91 size of bearing cap seam allowance of power takeoff lid 8 that detection assembling is completed
B., using 7 end face of cone bearing outer shroud as 0 benchmark of measurement, 6 contact point of dial gauge is the planar survey A sizes of power takeoff lid 8 for we, due to
There are threaded hole or other bottom surfaces in the housing face that can be measured, we can only select to measure on the anchor ring more than bearing diameter 10mm
(the unilateral only anchor ring of 5mm), and since dial gauge contact to back thickness is more than 5mm, how could be measured with dial gauge
A, B sizesFor this reason, we devise the measurement base 2 of triangle according to 3 detection methods, further according to the ruler for the point to be measured
It is very little, design the size of scale fixed frame 3, with ensure dial gauge 6 use when table center fall on the anchor ring that can be detected,
Then dial gauge 3 is fixed by scale fixed frame 3, fixes dial gauge 6, and 7 end contact of cone bearing outer shroud, carry out at 3 points
Detection, need to detect three times when not only having solved the problems, such as the too small bad measurement in A sizes face, but also having solved the problems, such as to be detected with depthometer.
Embodiment 1
A kind of power takeoff cone bearing gap adjusts test measuring device, including measurement base 2, scale fixed frame 3 and dial gauge 6.
The cross section of the measurement base 2 is equilateral triangle, and three angles of equilateral triangle are respectively provided with arc-shaped chamfering, three
Three support feets of a angle as measurement base 2.Three support feets can be with 7 end contact of cone bearing outer shroud.In this way, examined
Detection is only needed during the difference in height for surveying 7 end face of cone bearing outer shroud and 8 end face of power takeoff lid once, when can solve to be detected with depthometer
The problem of need to detecting three times, reduce detection number, improve detection efficiency.
When in use, three support feets are contacted with 0 datum level of measurement, are played the role of supporting and are determined 0 datum level of measurement.
For this reason, in a kind of feasible implementation, diameter of a circle is between cone bearing outer shroud 7 determined by the outer end of three support feets
Between the internal diameter and outside diameter of end face, also greater than the internal diameter of bearing cap seam allowance 91.
Wherein, the measurement base 2 also has the lightening hole of longitudinal direction, for mitigating the weight of test measuring device and with material, drop
Low cost, and improve the convenience used.
The scale fixed frame 3 is fixed on the side of measurement base 2, for fixing dial gauge 6；The measurement head of dial gauge 6
In the outside of the circle occupied by three support feet outer ends of measurement base.
More specifically, the distance at 2 center of measurement head range measurement base of dial gauge 6 is more than 7 end face of cone bearing outer shroud
Radius.In this way, when by the end contact for measuring base 2 and cone bearing outer shroud 7, the measurement head of dial gauge 6 can be with power taking
The face contact of device lid 8, the size A between 7 end face of measurement cone bearing outer shroud and the face of power takeoff lid 8；
More specifically, the distance at 2 center of measurement head range measurement base of dial gauge 6 is more than the half of bearing cap seam allowance 91
Footpath, less than bearing cap 9 and the radius of 8 contact surface of power takeoff lid.In this way, when measurement base 2 is contacted with bearing cap seam allowance 91,
The contact point of dial gauge 6 will be the contact surface of bearing cap 9 and power takeoff lid 8, and then measure bearing cap seam allowance 91 apart from bearing cap 9
With the size of the size B, i.e. bearing cap seam allowance 91 of 8 contact surface of power takeoff lid；
Wherein, scale fixed frame 3 includes preceding clamp arm and rear clamp arm, and preceding clamp arm is fixedly connected with one end of rear clamp arm, another
End is connected by fastening spiral shell 4；The sleeve clamping of dial gauge 6 is between preceding clamp arm and rear clamp arm.In this way, dial gauge 6 can be adjusted
Height.
Wherein, the test measuring device further includes measuring basis base 1, and measuring basis base 1 is removably disposed in measurement
The lower section of base 2, for calibrating dial gauge 6.
Wherein, scale fixed frame 3 is fixed on 2 side of measurement base by trip bolt 5.
Wherein, the dial gauge 6 is digital display centimeter.
Embodiment 2
A kind of method using test measuring device adjustment power takeoff cone bearing gap, including step：
1) it is the face of power takeoff lid 8 by 0 benchmark of measurement, 6 contact point of dial gauge of 7 end face of cone bearing outer shroud, measures size
A；
2) it is 0 benchmark of measurement with bearing cap seam allowance 91,6 contact point of dial gauge is bearing cap 9 and 8 contact surface of power takeoff lid,
Measure size B；
3) calculation bearing gap, the calculation formula of bearing clearance are：(A-B)-thickness after paper washer compression-finally needs to retain
Axial gap (0.05mm~0.10mm)；
4) according to bearing clearance, suitable adjusting pad is selected.
For common paper washer, the thickness after paper washer compresses is 0.35mm.
A more progressive ground, before step 1), further includes step 01)：Dial gauge 6 is proofreaded, will on measuring basis base 1
Dial gauge is returned " 0 ".
Claims (8)
1. a kind of power takeoff cone bearing gap adjusts test measuring device, it is characterised in that including measurement base (2), scale fixed frame
(3) and dial gauge (6), wherein, the measurement base (2) has at least three support feets；The support feet for measuring base (2) can be same
When with cone bearing outer shroud (7) end contact；Scale fixed frame (3) is fixed on the side of measurement base (2), for fixing dial gauge
(6)；The measurement head of dial gauge (6) is in the outside of the circle residing for support feet outer end.
2. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that the measurement base
(2) triangle that lateral cross section is centrosymmetric, three angles of triangle are respectively as three support feets.
3. power takeoff cone bearing gap as claimed in claim 2 adjusts test measuring device, it is characterised in that in lateral cross section,
Arc-shaped chamfering is respectively provided with the outside of three support feets of measurement base (2)；Measure the circle having along axis direction of base
Lightening hole.
4. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that scale fixed frame (3)
Including preceding clamp arm and rear clamp arm, preceding clamp arm is fixedly connected with one end of rear clamp arm, and the other end is by fastening screw connection；Dial gauge
(6) sleeve clamping is between preceding clamp arm and rear clamp arm.
5. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that scale fixed frame (3)
Measurement base (2) side is fixed on by trip bolt.
6. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that the dial gauge (6)
For digital display centimeter.
7. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that the survey of dial gauge (6)
The distance at head range measurement base (2) center of measuring is more than the outer radius of cone bearing outer shroud (7) end face.
8. power takeoff cone bearing gap as claimed in claim 1 adjusts test measuring device, it is characterised in that the survey of dial gauge (6)
The distance at head range measurement base (2) center of measuring is more than the outer radius of bearing cap seam allowance (91), less than bearing cap (9) and power takeoff
Cover the outer radius of (8) contact surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209196.0U CN207280345U (en) | 2017-09-20 | 2017-09-20 | A kind of power takeoff cone bearing gap adjusts test measuring device |
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|---|---|---|---|
| CN201721209196.0U CN207280345U (en) | 2017-09-20 | 2017-09-20 | A kind of power takeoff cone bearing gap adjusts test measuring device |
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| CN207280345U true CN207280345U (en) | 2018-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883842A (en) * | 2017-09-20 | 2018-04-06 | 陕西法士特汽车传动集团有限责任公司 | A kind of power takeoff cone bearing gap adjustment test measuring device and method |
-
2017
- 2017-09-20 CN CN201721209196.0U patent/CN207280345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883842A (en) * | 2017-09-20 | 2018-04-06 | 陕西法士特汽车传动集团有限责任公司 | A kind of power takeoff cone bearing gap adjustment test measuring device and method |
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