CN206469824U - Case bushing coaxality measurement fixture - Google Patents
Case bushing coaxality measurement fixture Download PDFInfo
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- CN206469824U CN206469824U CN201621266546.2U CN201621266546U CN206469824U CN 206469824 U CN206469824 U CN 206469824U CN 201621266546 U CN201621266546 U CN 201621266546U CN 206469824 U CN206469824 U CN 206469824U
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- measurement
- locating shaft
- fixture
- coaxality
- case bushing
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Abstract
The utility model discloses a kind of case bushing coaxality measurement fixture, the fixture is made up of dial gauge, measurement assembly and classification locating shaft and locating shaft case；Classification locating shaft is matched according to the actual, measured dimension of the bush hole of product copper bush, to ensure the bush hole and locating shaft fit clearance of product copper bush in acceptability limit；Locating shaft is classified as precision pair answers oil sealing to be stored in locating shaft case when not in use, and periodically classification locating shaft is verified, it is ensured that the reliability of product measurement.Case bushing coaxality measurement fixture of the present utility model, reasonable in design, simple to operate, quick, measurement stability is good, in addition to measurement of the fuel regulator bush hole relative to sliding bearing mounting hole axiality, the fixture can be used in the measurement of other product same types.
Description
Technical field
The utility model is related to a kind of measured material, and in particular to a kind of case bushing coaxality measurement fixture.
Background technology
On coaxality measurement, there is the use of coaxiality detecting tool in the prior art, such as notification number is
CN203908476U Chinese utility model patent discloses a kind of coaxality measurement cubing, and it includes clamp body, two pieces of positioning
Block, trip bolt, adjusting bolt and two screw rod fixed covers；Clamp body is provided at both ends with dovetail groove, and two pieces of locating pieces are pacified respectively
In the dovetail groove at two ends, dovetail groove upper end is provided with the screwed hole for installing trip bolt, during the centre of clamp body is provided with
Between hole, clamp body is provided at both ends with locating surface, and the center line of locating surface and interstitial hole is in the same plane；Two screw rod fixed covers
It is enclosed in adjusting bolt.Adjusting bolt is pierced into clamp body during installation, then locating piece is attached in the dovetail groove of clamp body, is turned
Dynamic adjusting bolt, two ends locating piece will be moved outwardly or inwardly, adjusting bolt be rotated, by two locating pieces and pump housing bearing hole
It is in close contact, the cubing can carry out polymorphic type coaxality measurement, save testing cost.
For fuel regulator, it is necessary to measure bush hole relative to sliding bearing mounting hole in product repair procedures
Axiality, because two measured holes are all in enclosure interior, have 100mm deep, maximum operable aperture only has 80mm, uses away from housing end face
Traditional measuring method can not realize that three-dimensional coordinates measurement of employing new technology also has certain limitation.
When using three-dimensional coordinates measurement, because product copper bush hole is spiral groove, its hole width very little that can be measured, to three coordinates
Gathered data point causes very big difficulty, and measurement error is than larger.
Utility model content
For problems of the prior art, the utility model provides a kind of case bushing coaxality measurement fixture,
The fixture is made up of dial gauge, measurement assembly and classification locating shaft and locating shaft case；Locating shaft is classified according to product copper
The actual, measured dimension of the bush hole of bushing is matched, and is existed with the bush hole and locating shaft fit clearance that ensure product copper bush
In acceptability limit；Locating shaft is classified as precision pair answers oil sealing to be stored in locating shaft case when not in use, and periodically
Classification locating shaft is verified, it is ensured that the reliability of product measurement.The case bushing coaxality measurement fixture, structure design is closed
Reason, simple to operate, quick, measurement stability is good, except fuel regulator bush hole is relative to sliding bearing mounting hole axiality
Measurement outside, other product same types measurement the fixture can be used.
To achieve these goals, the utility model is adopted the following technical scheme that.
A kind of case bushing coaxality measurement fixture, case bushing coaxality measurement fixture and product shell and product brass
Cover assembly connection；The case bushing coaxality measurement fixture include classification locating shaft, guide sleeve, screw rod, measurement assembly, gauge head and
Dial gauge, screw rod connection classification locating shaft and dial gauge, dial gauge connection measurement assembly and gauge head, guide sleeve load product shell
。
Preferably, the case bushing coaxality measurement fixture also includes locating shaft case, the locating shaft storage
Box is used to be classified the oil sealing storage of locating shaft when not in use.
In any of the above-described technical scheme preferably, the reality for being classified locating shaft according to the bush hole of product copper bush
Border measuring scale little progress row apolegamy, to ensure the bush hole and classification locating shaft fit clearance of product copper bush in acceptability limit.
In any of the above-described technical scheme preferably, the gauge head includes gauge head one and gauge head two, the He of gauge head one
Gauge head two is respectively arranged at the two ends of measurement assembly.
In any of the above-described technical scheme preferably, the gauge head one and gauge head two are spheric probe.
In any of the above-described technical scheme preferably, one end connection classification locating shaft of the screw rod, the classification is determined
Position shaft device enters in product copper bush.
In any of the above-described technical scheme preferably, the classification locating shaft is connected in place and solid by nut with screw rod
It is fixed, to prevent classification locating shaft from loosening.
In any of the above-described technical scheme preferably, the other end of the screw rod connects dial gauge and uses knurled nut
It is assemblied in the tail end of the screw rod other end.
In any of the above-described technical scheme preferably, the screw rod is provided with screw rod dial framework hole, and the dial gauge loads
Screw rod dial framework hole and adjustment position, dial gauge is fixed using swivel nut.
In any of the above-described technical scheme preferably, the screw rod is connected with measurement assembly by spring.
In any of the above-described technical scheme preferably, the gauge head one for being arranged at measurement assembly one end is pacified with dial gauge
Dress, the gauge head one being installed on dial gauge is used to ensure that gauge head one can accurately to act on the measurement plane of dial gauge during measurement.
In any of the above-described technical scheme preferably, the gauge head two for being arranged at the measurement assembly other end inserts product
Housing, the gauge head two is contacted with product shell inwall.
In any of the above-described technical scheme preferably, returning apparatus has guide sleeve on the screw rod.
In any of the above-described technical scheme preferably, it is provided with alignment pin in the product shell.
In any of the above-described technical scheme preferably, the guiding covering device enters in product shell and fixed by alignment pin
Position, to avoid guide sleeve from being rotated in product shell.
In any of the above-described technical scheme preferably, the measurement assembly is placed into guide sleeve, and rotates flexible.
Case bushing coaxality measurement fixture of the present utility model is by dial gauge, measurement assembly and classification locating shaft and determines
Position axle case composition；Classification locating shaft is matched according to the actual, measured dimension of the bush hole of product copper bush, to ensure
The bush hole and locating shaft fit clearance of product copper bush are in acceptability limit；Be classified locating shaft as precision pair without using
When answer oil sealing to be stored in locating shaft case, and periodically to classification locating shaft verify, it is ensured that product measure reliability.
During using case bushing coaxality measurement fixture, it is suitable to be matched first according to the actual, measured dimension of the bush hole of product copper bush
Classification locating shaft, the classification locating shaft chosen is connected in place with screw rod, and fixed with nut, prevents classification locating shaft pine
It is dynamic；Then dial gauge is loaded into screw rod dial framework hole to adjust after good position, tightens swivel nut and fix dial gauge；Gauge head one is installed in percentage
On table, dial gauge measurement plane can accurately be acted on the gauge head one for ensureing spherical during measurement；It is directed to set and is put into product shell
It is interior, and play positioning action using the alignment pin in product shell, it is to avoid guide sleeve is rotated in product shell；By measurement assembly
It is put into guide sleeve, and rotates flexible.When starting measurement, the gauge outfit of dial gauge is first pressed, observation measures position in product same point
Put, whether the reading of dial gauge changes, if changing, check whether dial gauge installs fastening；Must repeatedly pressing gauge outfit,
Percentage meter reading could start measurement when being stable in same reading.During measurement, smooth rotation screw rod one week reads and rotated one week
When dial gauge on difference, its difference is the coaxial angle value of measurement.
Compared with prior art, case bushing coaxality measurement fixture of the present utility model, on the basis of standard mandrel,
Using lever measuring principle, to reach measurement purpose.Case bushing coaxality measurement fixture of the present utility model, structure design is closed
Reason, simple to operate, quick, measurement stability is good, it is to avoid manual operation error, reduces the labor intensity of operator, realizes
The measurement means that traditional measurement method and advanced measuring apparatus can not all be completed.
Case bushing coaxality measurement fixture of the present utility model, except fuel regulator bush hole is relative to sliding bearing
Outside the measurement of mounting hole axiality, the fixture can be used in the measurement of other product same types.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is to show according to the clamp structure of a preferred embodiment of case bushing coaxality measurement fixture of the present utility model
It is intended to；
Fig. 2 is the positioning of the fixture of the preferred embodiment according to case bushing coaxality measurement fixture of the present utility model
The structural representation of axle case；
Reference：Classification locating shaft 1, guide sleeve 2, nut 3, spring 4, screw rod 5, knurled nut 6, swivel nut 7, gauge head one
8, measurement assembly 9, gauge head 2 10, dial gauge 11, locating shaft case 12, product shell 13, product copper bush 14.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In order to overcome coaxality measurement fixture it is existing in the prior art " using traditional measuring method can not be real
Existing, three-dimensional coordinates measurement of employing new technology also has certain limitations " the problem of, the utility model embodiment proposes that a kind of case bushing is same
Axle degree measured material：It is made up of dial gauge, measurement assembly and classification locating shaft and locating shaft case；It is classified locating shaft root
Matched according to the actual, measured dimension of the bush hole of product copper bush, it is ensured that the bush hole and locating shaft of product copper bush
Fit clearance is in acceptability limit；Locating shaft is classified as precision pair answers oil sealing to be stored in locating shaft case when not in use
It is interior, and periodically classification locating shaft is verified, it is ensured that the reliability of product measurement.The fixture is except suitable for fuel regulator
Outside measurement of the bush hole relative to sliding bearing mounting hole axiality, the fixture can be used in the measurement of other product same types,
It is applied widely.
Case bushing coaxality measurement fixture described in the present embodiment connects with product shell 13 and the assembling of product copper bush 14
Connect and use, as shown in figure 1, case bushing coaxality measurement fixture includes classification locating shaft 1, guide sleeve 2, screw rod 5, measurement assembly
9th, gauge head and dial gauge 11, the connection of screw rod 5 classification locating shaft 1 and dial gauge 11, the connection measurement assembly 9 of dial gauge 11 and gauge head,
Guide sleeve 2 loads product shell 13.
Case bushing coaxality measurement fixture described in the present embodiment, case bushing coaxality measurement fixture also includes positioning
Axle case, as shown in Fig. 2 locating shaft case 12 is used to be classified the oil sealing storage of locating shaft 1 when not in use.
Case bushing coaxality measurement fixture described in the present embodiment, is classified lining of the locating shaft 1 according to product copper bush 14
The actual, measured dimension in set hole is matched, it is ensured that the bush hole and locating shaft fit clearance of product copper bush 14 are in qualified model
In enclosing.
Case bushing coaxality measurement fixture described in the present embodiment, gauge head includes gauge head 1 and gauge head 2 10, gauge head one
8 and gauge head 2 10 be respectively arranged at the two ends of measurement assembly 9, gauge head 1 and gauge head 2 10 are spheric probe.
Case bushing coaxality measurement fixture described in the present embodiment, one end connection classification locating shaft 1 of screw rod 5, classification
The device of locating shaft 1 enters in product copper bush 14.
Case bushing coaxality measurement fixture described in the present embodiment, classification locating shaft 1 is connected in place and passed through with screw rod 5
Nut 3 is fixed against classification locating shaft 1 and loosened.
Case bushing coaxality measurement fixture described in the present embodiment, the other end connection dial gauge 11 of screw rod 5 is simultaneously used
Knurled nut 6 is assemblied in the tail end of the other end of screw rod 5.
Case bushing coaxality measurement fixture described in the present embodiment, screw rod 5 is provided with screw rod dial framework hole, and dial gauge 11 is filled
Enter screw rod dial framework hole and adjustment position, dial gauge 11 is fixed using swivel nut 7.
Case bushing coaxality measurement fixture described in the present embodiment, screw rod 5 is connected with measurement assembly 9 by spring 4.
Case bushing coaxality measurement fixture described in the present embodiment, is arranged at the gauge head one 8 and hundred of the one end of measurement assembly 9
Table 11 is divided to install, the gauge head 1 being installed on dial gauge 11 is used to ensure that gauge head 1 can accurately to act on dial gauge 11 during measurement
Measurement plane.
Case bushing coaxality measurement fixture described in the present embodiment, is arranged at the gauge head 2 10 of the other end of measurement assembly 9
Product shell 13 is inserted, gauge head 2 10 is contacted with the inwall of product shell 13.
Returning apparatus has guide sleeve 2 on case bushing coaxality measurement fixture described in the present embodiment, screw rod 5.
Alignment pin is provided with case bushing coaxality measurement fixture described in the present embodiment, product shell 13.
Case bushing coaxality measurement fixture described in the present embodiment, the device of guide sleeve 2 enters in product shell 13 and passed through
Position finger setting, it is to avoid guide sleeve 2 is rotated in product shell 13.
Case bushing coaxality measurement fixture described in the present embodiment, measurement assembly 9 is placed into guide sleeve 2, and is rotated
Flexibly.
During using case bushing coaxality measurement fixture described in the present embodiment, first according to the bushing of product copper bush 14
The suitable classification locating shaft 1 of actual, measured dimension apolegamy in hole, the classification locating shaft 1 chosen is connected in place with screw rod 5, is used in combination
Nut 3 is fixed, and prevents classification locating shaft 1 from loosening；Then dial gauge 11 is loaded after screw rod dial framework hole adjustment good position, tightens spiral shell
7 are covered to fix dial gauge 11；Gauge head 1 is installed on dial gauge 11, can accurately be acted on the gauge head 1 for ensureing spherical during measurement
In the measurement plane of dial gauge 11；It is directed to set 2 to be put into product shell 13, and plays fixed using the alignment pin in product shell 13
Position effect, it is to avoid guide sleeve 2 is rotated in product shell 13；Measurement assembly 9 is put into guide sleeve 2, and rotates flexible.Start
During measurement, the gauge outfit of dial gauge 11 is first pressed, is observed in product same point measurement position, whether the reading of dial gauge 11 has change
Change, if changing, check whether dial gauge 11 installs fastening；Must be in repeatedly pressing dial gauge 11 gauge outfit, the reading of dial gauge 11
Measurement could be started when being stable in same reading.During measurement, smooth rotation screw rod 5 one weeks reads dial gauge when rotating one week
Difference on 11, its difference is the coaxial angle value of measurement.
Case bushing coaxality measurement fixture described in the present embodiment by dial gauge, measurement assembly and classification locating shaft and
Locating shaft case is constituted；Classification locating shaft is matched according to the actual, measured dimension of the bush hole of product copper bush, to protect
The bush hole and locating shaft fit clearance of product copper bush are demonstrate,proved in acceptability limit；Classification locating shaft does not make as precision pair
Used time answers oil sealing to be stored in locating shaft case, and periodically classification locating shaft is verified, it is ensured that it is reliable that product is measured
Property.
Case bushing coaxality measurement fixture described in the present embodiment, on the basis of standard mandrel, is measured using lever
Principle, to reach measurement purpose.Case bushing coaxality measurement fixture of the present utility model, reasonable in design, simple to operate,
Fast, measurement stability is good, it is to avoid manual operation error, reduces the labor intensity of operator, realizes traditional measurement side
The measurement means that method and advanced measuring apparatus can not all be completed.
Described above is only that preferred embodiment of the present utility model is described, and is not to model of the present utility model
Enclose and be defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff is to this practicality
Various modifications and improvement that new technical scheme is made, all should fall into the protection model that claims of the present utility model are determined
In enclosing.
Claims (16)
1. a kind of case bushing coaxality measurement fixture, the case bushing coaxality measurement fixture and product shell（13）And production
Product copper bush（14）Assembly connection, it is characterised in that：The case bushing coaxality measurement fixture includes classification locating shaft（1）、
Guide sleeve（2）, screw rod（5）, measurement assembly（9）, gauge head and dial gauge（11）, the screw rod（5）Connection classification locating shaft（1）With
Dial gauge（11）, the dial gauge（11）Connect measurement assembly（9）With gauge head, the guide sleeve（2）Load product shell（13）.
2. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The case bushing axiality is surveyed
Measuring fixture also includes locating shaft case（12）, the locating shaft case（12）For being classified locating shaft（1）When not in use
Oil sealing storage.
3. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The classification locating shaft（1）Root
According to product copper bush（14）The actual, measured dimension of bush hole matched, to ensure product copper bush（14）Bush hole and
Locating shaft fit clearance is in acceptability limit.
4. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The gauge head includes gauge head one
（8）With gauge head two（10）, the gauge head one（8）With gauge head two（10）It is respectively arranged at measurement assembly（9）Two ends.
5. case bushing coaxality measurement fixture as claimed in claim 4, it is characterised in that：The gauge head one（8）And gauge head
Two（10）For spheric probe.
6. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The screw rod（5）One end connect
Connect classification locating shaft（1）, the classification locating shaft（1）Device enters product copper bush（14）It is interior.
7. the case bushing coaxality measurement fixture as described in claim 1 or 6, it is characterised in that：The classification locating shaft（1）
With screw rod（5）Connect in place and pass through nut（3）It is fixed, to prevent from being classified locating shaft（1）Loosen.
8. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The screw rod（5）The other end
Connect dial gauge（11）And use knurled nut（6）It is assemblied in screw rod（5）The tail end of the other end.
9. the case bushing coaxality measurement fixture as described in claim 1 or 8, it is characterised in that：The screw rod（5）It is provided with
Screw rod dial framework hole；The dial gauge（11）Load screw rod dial framework hole and adjustment position, using swivel nut（7）To dial gauge（11）Carry out
It is fixed.
10. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The screw rod（5）With measurement group
Part（9）Pass through spring（4）Connection.
11. case bushing coaxality measurement fixture as claimed in claim 4, it is characterised in that：It is described to be arranged at measurement assembly
（9）The gauge head one of one end（8）With dial gauge（11）Install, be installed on dial gauge（11）On gauge head one（8）For ensureing measurement
When gauge head one（8）Dial gauge can accurately be acted on（11）Measurement plane.
12. case bushing coaxality measurement fixture as claimed in claim 4, it is characterised in that：It is described to be arranged at measurement assembly
（9）The gauge head two of the other end（10）Insert product shell（13）, the gauge head two（10）With product shell（13）Inwall is contacted.
13. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The screw rod（5）Upper returning apparatus
There is guide sleeve（2）.
14. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The product shell（13）It is interior
It is provided with alignment pin.
15. the case bushing coaxality measurement fixture as described in claim 13 or 14, it is characterised in that：The guide sleeve（2）
Device enters product shell（13）It is interior and by positioning finger setting, to avoid guide sleeve（2）In product shell（13）It is interior to rotate.
16. case bushing coaxality measurement fixture as claimed in claim 1, it is characterised in that：The measurement assembly（9）Place
Enter guide sleeve（2）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266546.2U CN206469824U (en) | 2016-11-24 | 2016-11-24 | Case bushing coaxality measurement fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266546.2U CN206469824U (en) | 2016-11-24 | 2016-11-24 | Case bushing coaxality measurement fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206469824U true CN206469824U (en) | 2017-09-05 |
Family
ID=59709182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621266546.2U Active CN206469824U (en) | 2016-11-24 | 2016-11-24 | Case bushing coaxality measurement fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN206469824U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883904A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | The pulsation measurement component of axial workpiece |
| CN110953972A (en) * | 2019-11-05 | 2020-04-03 | 新乡航空工业(集团)有限公司 | Inner hole coaxiality measuring device |
| CN112902810A (en) * | 2021-01-20 | 2021-06-04 | 湖北三环汽车方向机有限公司 | Device for detecting coaxiality of narrow grooves of cover parts |
| CN113579776A (en) * | 2021-08-03 | 2021-11-02 | 宁波水表(集团)股份有限公司 | Water meter shell machining auxiliary positioning equipment and method |
-
2016
- 2016-11-24 CN CN201621266546.2U patent/CN206469824U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883904A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | The pulsation measurement component of axial workpiece |
| CN110953972A (en) * | 2019-11-05 | 2020-04-03 | 新乡航空工业(集团)有限公司 | Inner hole coaxiality measuring device |
| CN112902810A (en) * | 2021-01-20 | 2021-06-04 | 湖北三环汽车方向机有限公司 | Device for detecting coaxiality of narrow grooves of cover parts |
| CN112902810B (en) * | 2021-01-20 | 2023-08-29 | 湖北三环汽车方向机有限公司 | Cover part narrow groove axiality detection device |
| CN113579776A (en) * | 2021-08-03 | 2021-11-02 | 宁波水表(集团)股份有限公司 | Water meter shell machining auxiliary positioning equipment and method |
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