CN207798038U - A kind of flexible bearing outside diameter measuring fixture - Google Patents
A kind of flexible bearing outside diameter measuring fixture Download PDFInfo
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- CN207798038U CN207798038U CN201721550166.6U CN201721550166U CN207798038U CN 207798038 U CN207798038 U CN 207798038U CN 201721550166 U CN201721550166 U CN 201721550166U CN 207798038 U CN207798038 U CN 207798038U
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Abstract
The utility model is related to a kind of flexible bearing outside diameter measuring fixtures, including pedestal (1), product placement platform (2) to be measured and V-block (3), product placement platform (2) to be measured is mounted on V-block (3) on pedestal (1), product placement platform (2) to be measured is located in the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, it is symmetrical on the V-type mouth inner wall of V-block (3) to open that there are two blowing nozzles, two blowing nozzles face the outer wall of the flexible bearing and blowing nozzle is not in contact with flexible bearing；The gas of air-gauge output acts on the diametric(al) of flexible bearing by above-mentioned two venthole.Outer diameter and ellipse of the utility model measured material for detecting detection thin-wall bearing, flexible bearing, in practical applications, easy to operate, quick and accuracy height.
Description
Technical field
The utility model is related to a kind of measured materials, more particularly, to a kind of detection thin-wall bearing, flexible bearing outer diameter ruler
Very little and elliptical measured material.
Background technology
Air-gauge, it is a kind of novel length measuring instrument used in machine building industry.Its principle is to compare survey
Amount method.Its working method is to convert length signals to airflow signal, and one is shown by the buoy in graduated glass tube
Value, referred to as float type pneumatic measuring instrument；Another is that gas signal is converted to electric signal by luminous tube by pneumatic-to-current converter
The light beam indicating value of composition, referred to as electronics pillar pneumatic measuring instrument.Pneumatic measuring instrument is by with various Pneumatic measuring heads or pneumatically
Measuring device matches, and accurate measurement is carried out to the size or morpheme parameter of measured piece with comparative measurement method.
In actual production, when detecting thin-wall bearing, flexible bearing outer diameter, if axis will be made using existing measuring device
Moderate finite deformation occurs for bearing ring, causes detected size to differ greatly with actual size, and bad measurement repeatability.It is badly in need of a kind of new
Measuring device is to overcome the above problem.
Utility model content
The utility model devises a kind of flexible bearing outside diameter measuring fixture, and the technical issues of solving is existing flexibility
Bearing outside diameter measuring device will make bearing ring that moderate finite deformation occur, and detected size is caused to differ greatly with actual size, and
Bad measurement repeatability.
In order to solve above-mentioned technical problem, the utility model uses following scheme：
A kind of flexible bearing outside diameter measuring fixture, it is characterised in that：Including pedestal (1), product placement platform to be measured (2) with
And V-block (3), product placement platform (2) to be measured are mounted on V-block (3) on pedestal (1), product placement platform (2) to be measured
In the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, in the V-type mouth of V-block (3)
So symmetrical that open there are two blowing nozzle on wall, two blowing nozzles face the outer wall of the flexible bearing；The gas of air-gauge output
Body acts on the diametric(al) of flexible bearing by above-mentioned two venthole.
Further, pedestal (1) is equipped with air inlet, and air-gauge is connected to by the first tracheae with the air inlet, in institute
It states pedestal (1) and is internally provided with three-port structure, the first end of three-port structure is also connect with the air inlet, the second end of three-port structure
Mouth is blown afloat by the second tracheae with one to be connected to, the third end of three-port structure is blown afloat mouth with another by third tracheae and is connected to.
Further, the second tracheae and third tracheae are entered back into after being pierced by from pedestal (1) to V-block (3), the second tracheae and
Third tracheae, which leaves, to be equipped with spring and ensures the positioning of tracheae extending direction in the position of pedestal (1).
Further, product placement platform (2) to be measured is made of multiple guide rails (21) disposed in parallel, two neighboring guide rail
(21) collecting tank (22) for collecting grease between for one.
Further, the V-type mouth bottom of V-block (3) is grinding undercut (31), is used to position flexible bearing.
Further, the air-gauge is electronics pillar pneumatic measuring instrument.
A kind of working method of flexible bearing outside diameter measuring fixture, includes the following steps：
Electronics pillar pneumatic measuring instrument and flexible bearing outside diameter measuring fixture are attached by step 1 by tracheae；
The limiting value of product correspondingly-sized to be measured is inputted electron beam by step 2, is used in combination standard component known to size to electronics
Column indicating value is proofreaded, it is desirable that electron beam show value is consistent with the mark value of actual standard part；
Step 3, after product to be detected is placed on product placement platform (2) to be measured, the V-type mouth to V-block (3) slowly
Bottom elapses, until encountering V-block (3) and being completely attached to the surface of V-type mouth；
Step 4, start electronics pillar pneumatic measuring instrument, electronics pillar pneumatic measuring instrument record measured value, and with reality
The mark value of standard component is compared；
Step 5, product have often measured primary rear 120 ° of rotation and have been measured again, measure altogether three times, three times measured value
It is unqualified if there is being considered as when the mark value of measured value and actual standard part twice or more than twice is inconsistent, otherwise to close
Lattice.
Further, the step 1 and step 2 sequencing are into line replacement.
The flexible bearing outside diameter measuring fixture has the advantages that：
(1) the utility model measured material is used to detect outer diameter and the ellipse of detection thin-wall bearing, flexible bearing,
In practical application, easy to operate, quick and accuracy height.
(2) the utility model measure the item is more, such as length, Geometrical Error, especially uses mechanical gauge to certain
It is easier to realize with pneumatic gauging with the amount insoluble measurement of instrument.
(3) amplification factor for the gas dynamic tester that the utility model uses is higher, and human error is smaller, does not interfere with measurement essence
Degree；It is without mechanical friction when work, so without hysterisis error.
(4) the utility model operating method is simple, and reading is easy, and can continuously be measured, it is easy to find out each size
It is whether qualified.
(5) the utility model realizes that measurement head is not directly contacted with measured surface, reduces shadow of the measuring force to measurement result
It rings, while preventing plowing from measured piece surface, it is especially suitable to the measurement of thin-walled parts and soft metal part.
(6) the utility model can reduce abrasion, expanded service life due to non-cpntact measurement, measurement head.Air-gauge
It is connected, it can be achieved that telemeasurement using hose between main body and measurement head.
(7) the utility model is simple in structure, reliable operation, adjusts, uses and repair is quite convenient to.
Description of the drawings
Fig. 1：The flexible bearing outside diameter measuring fixture dimensional structure diagram of the utility model；
Fig. 2：The vertical view of the flexible bearing outside diameter measuring fixture of the utility model.
Reference sign：
1- pedestals；2- product placement platforms to be measured；21- guide rails；22- guide grooves；3-V type blocks；31- grinding undercuts；32- spiral shells
Nail；4- tracheaes；5- products to be measured.
Specific implementation mode
With reference to Fig. 1 and Fig. 2, the utility model is described further：
The utility model flexible bearing outside diameter measuring fixture is specially to be used cooperatively with air-gauge.
Operating pneumatic method is using compressed air as medium, using air flow in the duct or pressure with pipeline
Size quantity or displacement are converted into flow or the variable quantity of pressure by the characteristic of geometric dimension and change in shape, are surveyed to realize
Amount.Gas dynamic tester is divided into flow-type, pressure type, flowing speed type etc. by operation principle.Wherein, pressure type air-gauge is sent out because being easy to
Signal is usually used in actively measuring；Flow-type, flowing speed type are suitable for static measurement, multi-purpose to make in-process checking.
As shown in Figure 1, a kind of flexible bearing outside diameter measuring fixture, including pedestal 1, product placement platform 2 to be measured and V-type
Block 3, product placement platform 2 to be measured are mounted on V-block 3 on pedestal 1, and product placement platform 2 to be measured is located at the V-type of V-block 3
In mouthful, flexible bearing is placed on product placement platform 2 to be measured, symmetrical on the V-type mouth inner wall of V-block 3 to open that there are two blow
Mouth, two blowing nozzles face the outer wall of flexible bearing；The gas of air-gauge output is acted on by above-mentioned two venthole
The diametric(al) of flexible bearing.Air-gauge can be electron beam formula pneumatic measuring instrument.
Pedestal 1 is equipped with air inlet, and air-gauge is connected to by the first tracheae with air inlet, and three are internally provided in pedestal 1
Logical structure, the first end of three-port structure are also connect with air inlet, and the second end of three-port structure is blown afloat by the second tracheae and one
Mouth is connected to, and the third end of three-port structure is blown afloat mouth with another by third tracheae and is connected to.Second tracheae and third tracheae are the bottom of from
Seat 1 enters back into V-block 3 after being pierced by, and the second tracheae and third tracheae, which leave, to be equipped with spring in the position of pedestal 1 and ensure that tracheae prolongs
Stretch the positioning in direction.The V-type mouth bottom of V-block 3 is grinding undercut 31, is used to position flexible bearing.
Product placement platform 2 to be measured is made of multiple guide rails 21 disposed in parallel, is received for one between two neighboring guide rail 21
Collect the collecting tank 22 of grease.Multiple guide rails 21 can play the friction coefficient for increasing product bottom to be measured, it is ensured that product to be measured is not
It can move.Meanwhile product to be measured is typically flexible bearing, flexible bearing influences whether that grease is lubricated, in order to avoid
Grease drippage influences the stability that product to be measured is placed, and collecting tank 22 can avoid Grease Collection grease to product to be measured
It influences.
As shown in Fig. 2, a kind of working method of flexible bearing outside diameter measuring fixture, includes the following steps：
Electronics pillar pneumatic measuring instrument and flexible bearing outside diameter measuring fixture are attached by step 1 by tracheae；
The limiting value of product correspondingly-sized to be measured is inputted electron beam by step 2, is used in combination standard component known to size to electronics
Column indicating value is proofreaded, it is desirable that electron beam show value is consistent with the mark value of actual standard part；
Step 3, after product to be detected is placed on product placement platform 2 to be measured, the V-type mouth bottom to V-block 3 slowly
Passage, until encountering V-block 3 and being completely attached to the surface of V-type mouth；
Step 4, start electronics pillar pneumatic measuring instrument, electronics pillar pneumatic measuring instrument record measured value, and with reality
The mark value of standard component is compared；
Step 5, product have often measured primary rear 120 ° of rotation and have been measured again, measure altogether three times, three times measured value
It is unqualified if there is being considered as when the mark value of measured value and actual standard part twice or more than twice is inconsistent, otherwise to close
Lattice.
Step 1 and step 2 sequencing are into line replacement.
Illustrative description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model not by
The limitation of aforesaid way, if the various improvement of the methodology and technical solution progress of the utility model are used, or without
It improves and the design of the utility model and technical solution is directly applied into other occasions, in the scope of protection of the utility model
It is interior.
Claims (6)
1. a kind of flexible bearing outside diameter measuring fixture, it is characterised in that：Including pedestal (1), product placement platform to be measured (2) and
V-block (3), product placement platform (2) to be measured are mounted on V-block (3) on pedestal (1), and product placement platform (2) to be measured is located at
In the V-type mouth of V-block (3), flexible bearing is placed on product placement platform (2) to be measured, right on the V-type mouth inner wall of V-block (3)
Blowing nozzle there are two claiming to open, two blowing nozzles face the outer wall of the flexible bearing and blowing nozzle is not sent out with flexible bearing
Raw contact；The gas of air-gauge output acts on the diametric(al) of flexible bearing by two blowing nozzles.
2. flexible bearing outside diameter measuring fixture according to claim 1, it is characterised in that：Pedestal (1) is equipped with air inlet, gas
Momentum instrument is connected to by the first tracheae with the air inlet, and three-port structure is internally provided in the pedestal (1), and the of three-port structure
One end is also connect with the air inlet, and the second end of three-port structure blows afloat mouth with one by the second tracheae and is connected to, three-port structure
Third end mouth blown afloat with another by third tracheae be connected to.
3. flexible bearing outside diameter measuring fixture according to claim 2, it is characterised in that：Second tracheae and third tracheae are the bottom of from
Seat (1) enters back into V-block (3) after being pierced by, and the second tracheae and third tracheae leave in the position of pedestal (1) to be ensured equipped with spring
The positioning of tracheae extending direction.
4. according to any one of the claim 1-3 flexible bearing outside diameter measuring fixtures, it is characterised in that：Product to be measured is put
Horizontalization platform (2) is made of multiple guide rails (21) disposed in parallel, the collection for collecting grease between two neighboring guide rail (21) for one
Slot (22).
5. flexible bearing outside diameter measuring fixture according to claim 1, it is characterised in that：The V-type mouth bottom of V-block (3) is
Grinding undercut (31), is used to position flexible bearing.
6. flexible bearing outside diameter measuring fixture according to claim 1, it is characterised in that：The air-gauge is electronics pillar
Pneumatic measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550166.6U CN207798038U (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550166.6U CN207798038U (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798038U true CN207798038U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721550166.6U Active CN207798038U (en) | 2017-11-17 | 2017-11-17 | A kind of flexible bearing outside diameter measuring fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764214A (en) * | 2017-11-17 | 2018-03-06 | 宁波慈兴轴承有限公司 | A kind of flexible bearing outside diameter measuring fixture and its method of work |
-
2017
- 2017-11-17 CN CN201721550166.6U patent/CN207798038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764214A (en) * | 2017-11-17 | 2018-03-06 | 宁波慈兴轴承有限公司 | A kind of flexible bearing outside diameter measuring fixture and its method of work |
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