CN205279944U - A special measuring for measuring part size is poor - Google Patents
A special measuring for measuring part size is poor Download PDFInfo
- Publication number
- CN205279944U CN205279944U CN201521037335.7U CN201521037335U CN205279944U CN 205279944 U CN205279944 U CN 205279944U CN 201521037335 U CN201521037335 U CN 201521037335U CN 205279944 U CN205279944 U CN 205279944U
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- China
- Prior art keywords
- regulator
- outside
- rule body
- measuring
- amesdial
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Abstract
The utility model discloses a special measuring for measuring part size is poor, including the outside rule body that is equipped with the through -hole, the through -hole top of the outside rule body is fixed with the amesdial, and the through -hole bottom of the outside rule body is equipped with the inside rule body, is provided with the guide bar on the inside rule body, and the guide bar of the inside rule body is arranged in the through -hole of the outside rule body can axial displacement, keeps in contact with the amesdial gauge head in inside rule bodies guide bar top. This device can hold the difference in height of inner and outer ring difference in height and the working chamber assembly integral key shaft shaft shoulder and preceding end cap bearings installation face through the outside rule body and the inside rule body precision measurement axis of cone, then calculates adjustment pads of corresponding thickness through the theoretical equation, finally guarantees the adjusting play that the axis of cone held, acquires ultimate measurement numerical value through the method that adopts the amesdial multimetering to average, can reach the awl bearing clearance's that the drawing stipulated high accuracy requirement.
Description
[technical field]
This utility model belongs to measurer field, is specifically related to a kind of special measuring tool for measuring accessory size difference.
[background technology]
FHB320 parallel connection retarder is the safety device of a dependence hydraulic power realization driving auxiliary braking of the up-to-date R & D design of my company, and the core component rotor assembly two ends wherein realizing braking function have employed bipyramid bearing support structure. Owing to cone bearing is very sensitive to bearing clearance, excesssive gap and the too small initial failure that all can cause drive system, it is generally required to use adjusting pad to be adjusted, therefore formulate the key reasonably selecting pad scheme and the reliable measurer of design stability to be to ensure that product quality.
Cone bearing clearance requirement precision is high, and accurately choosing pad is always up the technical barrier in assembling field, simultaneously because FHB320 parallel connection retarder internal structure is unique, difficulty is bigger.
Existing measurer has the problem that
1, retarder working chamber assembly structure in parallel is complicated, implement the cone bearing of pairing carries out choosing pad and then ensures that cone bearing gap is relatively difficult;
2, the cone bearing gap precision that design drawing specifies requires high (0.10-0.15mm), and common survey mode is difficult to meet this precision;
3, owing to choosing pad required precision is high, therefore measurer must have significantly high measurement stability;
When 4, measuring cone bearing inner and outer ring difference in height, cone bearing may cause measurement result distortion because of the slight mobile of self;
5, the working chamber assembly splined shaft shaft shoulder and two narrow planes that drive end bearing bracket bearing installed surface is different part, and the drive end bearing bracket degree of depth is very deep, it has not been convenient to measure.
[utility model content]
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that a kind of special measuring tool for measuring accessory size difference, it is possible to ensure the adjustment gap of cone bearing.
In order to achieve the above object, this utility model includes the outside regulator being provided with through hole, the via top of outside regulator is fixed with amesdial, the via bottoms of outside regulator is provided with internal regulator, internal regulator is provided with guide post, the guide post of internal regulator is placed in the through hole of outside regulator and can move axially, and internal regulator guide post top is kept in touch with amesdial gauge head.
Described amesdial is connected by dial framework is fixing with outside regulator.
It is threaded connection between described dial framework and outside regulator.
It is provided with spring between the guide post of described outside regulator and internal regulator.
One end of described spring compresses dial framework, and the other end compresses the guide post of internal regulator.
Described internal regulator guide post is provided with locating slot, and in outside regulator, the position corresponding with gathering sill offers screwed hole, is provided with bolt in screwed hole.
Compared with prior art, this utility model can accurately measure the difference in height of cone bearing inner and outer ring difference in height and the working chamber assembly splined shaft shaft shoulder and drive end bearing bracket bearing installed surface by outside regulator and internal regulator, it is then passed through theoretical formula method and goes out the adjusting pad of corresponding thickness, the final adjustment gap ensureing cone bearing, by adopting the method that amesdial multimetering is averaged to obtain final measurement numerical value, it is possible to reach the high-precision requirement in the cone bearing gap that drawing specifies.
Further, internal regulator guide post of the present utility model is provided with locating slot, and in outside regulator, the position corresponding with gathering sill offers screwed hole, it is possible to prevent internal regulator from coming off by bolt.
[accompanying drawing explanation]
Fig. 1 is the structural representation that this utility model adopts T-shaped internal regulator;
Fig. 2 is the structural representation that this utility model adopts internal feeler lever;
Fig. 3 is the structural representation of calibration tool.
[detailed description of the invention]
Below in conjunction with accompanying drawing, this utility model is described further.
Referring to Fig. 1, Fig. 2 and Fig. 3, this utility model includes the outside regulator 1 being provided with through hole, the via top of outside regulator 1 is fixed with amesdial 2, the via bottoms of outside regulator 1 is provided with internal regulator 6, internal regulator 6 is provided with guide post, the guide post of internal regulator 6 is placed in the through hole of outside regulator 1 and can move axially, internal regulator 6 guide post top is kept in touch with amesdial gauge head, amesdial 2 is connected by dial framework 3 is fixing with outside regulator 1, it is threaded connection between dial framework 3 and outside regulator 1, internal regulator 6 guide post is provided with locating slot, in outside regulator 1, the position corresponding with gathering sill offers screwed hole, bolt 5 it is provided with in screwed hole.
Preferably, being provided with spring 4 between the guide post of outside regulator 1 and internal regulator 6, one end of spring 4 compresses dial framework 3, and the other end compresses the guide post of internal regulator 6.
During use, step one, measure cone bearing inner and outer ring height difference measuring: first positioned on bearing positioning table 9 by cone bearing, then employing longitudinal section is the measurer measurement of T-shaped inside regulator 6, obtains cone bearing inner and outer ring difference in height h1;
Step 2, the height difference measuring of the splined shaft shaft shoulder and drive end bearing bracket bearing installed surface: position hole 8 first with the zeroing on calibration tool and measurer is returned to zero, measure again through shaft-like inside regulator 6, finally obtain the difference in height h of the splined shaft shaft shoulder and drive end bearing bracket bearing installed surface2;
Step 3, according to choosing pad theoretical derivation, it is possible to obtain B=h1+h2+ b=h1+h2+ 0.125; Measure h every time1With h2Value utilizes formula just can calculate the thickness answering adjusting pad, is finally reached the purpose that cone bearing gap adjusts, and wherein B is spacer thickness, and b is axial gap 0.10-0.15mm; (according to the perfect condition of design idea b for taking intermediate value, therefore may be set to 0.125mm).
Project team is analyzed by drawing and on-the-spot test, formulate reasonable choosing pad scheme, and design and develop out one group of special measuring tool for selecting pad, utilize the method accurately measuring cone bearing inner and outer ring difference in height and the working chamber assembly splined shaft shaft shoulder and the difference in height of drive end bearing bracket bearing installed surface, the adjusting pad of corresponding thickness is gone out through theoretical formula method, the final adjustment gap ensureing cone bearing, is that retarder trial production is successfully crucial.
Claims (6)
1. special measuring tool one kind poor for measuring accessory size, it is characterized in that: include being provided with the outside regulator (1) of through hole, the via top of outside regulator (1) is fixed with amesdial (2), the via bottoms of outside regulator (1) is provided with internal regulator (6), internal regulator (6) is provided with guide post, the guide post of internal regulator (6) is placed in the through hole of outside regulator (1) and can move axially, and internal regulator (6) guide post top is kept in touch with amesdial gauge head.
2. a kind of special measuring tool for measuring accessory size difference according to claim 1, it is characterised in that: described amesdial (2) is connected by dial framework (3) is fixing with outside regulator (1).
3. a kind of special measuring tool for measuring accessory size difference according to claim 2, it is characterised in that: it is threaded connection between described dial framework (3) and outside regulator (1).
4. a kind of special measuring tool for measuring accessory size difference according to claim 1, it is characterised in that: it is provided with spring (4) between the guide post of described outside regulator (1) and internal regulator (6).
5. a kind of special measuring tool for measuring accessory size difference according to claim 4, it is characterised in that: one end of described spring (4) compresses dial framework (3), and the other end compresses the guide post of internal regulator (6).
6. a kind of special measuring tool for measuring accessory size difference according to claim 1, it is characterized in that: described internal regulator (6) guide post is provided with locating slot, offer screwed hole in the upper position corresponding with gathering sill of outside regulator (1), in screwed hole, be provided with bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037335.7U CN205279944U (en) | 2015-12-11 | 2015-12-11 | A special measuring for measuring part size is poor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521037335.7U CN205279944U (en) | 2015-12-11 | 2015-12-11 | A special measuring for measuring part size is poor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279944U true CN205279944U (en) | 2016-06-01 |
Family
ID=56064512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521037335.7U Active CN205279944U (en) | 2015-12-11 | 2015-12-11 | A special measuring for measuring part size is poor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514962A (en) * | 2017-09-04 | 2017-12-26 | 武汉共康汽车零部件有限公司 | Three pin shaft forks measure chamfering to reference plane measurer |
| CN111397563A (en) * | 2020-05-11 | 2020-07-10 | 安徽建大交通科技有限公司 | Coating thickness tester |
-
2015
- 2015-12-11 CN CN201521037335.7U patent/CN205279944U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514962A (en) * | 2017-09-04 | 2017-12-26 | 武汉共康汽车零部件有限公司 | Three pin shaft forks measure chamfering to reference plane measurer |
| CN107514962B (en) * | 2017-09-04 | 2020-07-24 | 武汉共康汽车零部件有限公司 | Measuring tool for measuring chamfer angle to reference surface by three-pin shaft fork |
| CN111397563A (en) * | 2020-05-11 | 2020-07-10 | 安徽建大交通科技有限公司 | Coating thickness tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |