CN201764939U - Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft - Google Patents

Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft Download PDF

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Publication number
CN201764939U
CN201764939U CN2010202959301U CN201020295930U CN201764939U CN 201764939 U CN201764939 U CN 201764939U CN 2010202959301 U CN2010202959301 U CN 2010202959301U CN 201020295930 U CN201020295930 U CN 201020295930U CN 201764939 U CN201764939 U CN 201764939U
Authority
CN
China
Prior art keywords
air compressor
transmission shaft
parallelism
cubing
test axle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010202959301U
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Chinese (zh)
Inventor
屠金奎
戴井云
钱咏莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA ZHONGQI GROUP HANGZHOU ENGINE CO LTD
Original Assignee
CHINA ZHONGQI GROUP HANGZHOU ENGINE CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHINA ZHONGQI GROUP HANGZHOU ENGINE CO LTD filed Critical CHINA ZHONGQI GROUP HANGZHOU ENGINE CO LTD
Priority to CN2010202959301U priority Critical patent/CN201764939U/en
Application granted granted Critical
Publication of CN201764939U publication Critical patent/CN201764939U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a coaxiality and parallelism check tool for an air compressor transmission shaft and a fuel pump shaft, which comprises a base, a testing shaft, a core sleeve and a dial test indicator. The check tool is characterized in that a pair of bottom plates is arranged on the base; the core sleeve is fixed on the pair of the bottom plates; the testing shaft is arranged in the core sleeve and can rotate in the core sleeve; and the dial test indicator is arranged at one end of the testing shaft. The check tool has the advantages that the height of the testing shaft is identical with that of the fuel pump shaft, the testing shaft is installed in a bracket seat of a fuel pump, the testing shaft is equivalent to the fuel pump shaft, and the coaxiality and the parallelism of the two shafts can be conveniently and rapidly measured.

Description

Air compressor machine transmission shaft and fuel oil pump shaft right alignment depth of parallelism cubing
Technical field
The utility model relates to cubing, specifically a kind of air compressor machine transmission shaft and fuel oil pump shaft right alignment depth of parallelism cubing.
Background technology
The steyr engine is because many dimension chains, final error all comes together on air compressor machine transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism, if error is excessive, can make engine operation connect steel disc and associated part damage, therefore measure it exactly, favourable controlled and improvement.Right alignment and depth of parallelism cubing commonly used are three-coordinates measuring machine, but the right alignment of the air compressor machine transmission shaft of steyr engine and fuel oil pump shaft and the depth of parallelism must be at the general assembly in-site measurements, thereby traditional three-coordinates measuring machine is difficult in and realizes in the relative narrow space accurately measuring.And the measurement beat of general assembly assembly station is generally every and is not more than 1.5 minutes, and traditional three-coordinates measuring machine often measuring speed is very slow, thereby may not satisfy the time requirement of measurement.
Summary of the invention
To be solved in the utility model is that existing surveying instrument can't satisfy the requirement in general assembly in-site measurement air compressor machine transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism, aims to provide the cubing of a kind of energy fast and accurate measurement engine air press transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism.
The technical scheme that addresses the above problem employing is: the cubing of air compressor machine transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism, comprise base, test axle, core retainer plate and dial gauge, it is characterized in that described base is provided with a pair of base plate, described core retainer plate is fixed on the described a pair of base plate, described test axle is arranged in the described core retainer plate and can rotates in core retainer plate, and described dial gauge is arranged on an end of test axle.
Cubing of the present utility model, the height of its test axle is designed to consistent with the height of fuel oil pump shaft, it is installed in the carrier base of fuel pump, and this test axle just is equivalent to the axle of fuel pump, just can measure the depth of parallelism of right alignment and diaxon in the following manner quickly and easily:
(1) measurement of right alignment
A. cubing is put into the fuel pump mounting bracket seat of engine, cubing is located with hand-tight subsides carrier base lateral surface;
B. the test axial advancement, the gauge outfit that is arranged on the dial gauge of test axle one end is surveyed the point of going up most at the air compressor machine transmission shaft, and tabular value to 0;
C. test axle Rotate 180 °, the gauge outfit of dial gauge is surveyed the point that descends most at the air compressor machine transmission shaft, reads tabular value;
D. two value additions are aligned this calculated value to 0 value on the table divided by 2, and this is standard 0 value of test axle;
E. each value of showing to measure on the air compressor machine transmission shaft is the air compressor machine transmission shaft center of testing axle is worth partially.
(2) measurement of paralleism of diaxon
A, cubing is fixed on the engine fuel injection pump mounting bracket seat;
B, test axle are located at 0 °, and the mobile test axle is surveyed 2 points with dial gauge on the air compressor machine transmission shaft, and the distance between this tabular value difference of 2 removes at 2 represents that promptly diaxon is at 0 ° of parallel error of locating;
C, rotate the test axle and locate to 90 °, repeating step B draws diaxon at 90 ° of parallel errors of locating; Above-mentioned parallel error may be positive number, negative or zero.
As further improvement of the utility model, described dial gauge is arranged on an end of testing axle by dial framework and cushion block, helps moving, rotate and measuring of dial gauge.
Further improve again as of the present utility model, pass through the adjustable connection of screw between described base and a pair of base plate.In order to improve measuring accuracy, require the height of test axle and the height of fuel pump to be consistent, but, be difficult to promptly reach this requirement after the time processing assembling according to existing manufacturing process.By the adjusting of screw, just can join the back height of test axle is finely tuned in peace, make it satisfy measurement requirement.After being adjusted to the height dimension that needs, reliably locate by straight pin again, guarantee that the height of test axle in test process keeps constant.
Further improve as of the present utility model, described test axle one end is connected with core retainer plate by lining again.Because the test axle need not all contact on whole core retainer plate length with core retainer plate, only need in two end in contact and obtain to support to get final product, therefore, the two ends of core retainer plate are less with the internal diameter of test axle cooperation place, and bigger at the internal diameter of center section.But the internal diameter of the center section of this structure core retainer plate is difficult to processing.Adopt the benefit of lining to be that the internal diameter of core retainer plate can strengthen from right to left step by step, for example, in the internal diameter minimum of right-hand member, this place forms with the test axle and cooperates, and the internal diameter maximum of left end behind the test axle of packing into, at the left end inlay busher, makes lining cooperate with the test axle again.Consequently can reduce the difficulty of processing of core retainer plate greatly.
Further improve as of the present utility model, at least one end of described test axle is provided with limited block.Like this, the test axle is when move left and right is measured, and dial gauge can not touch air compressor machine transmission shaft or other parts, has played the protective effect to air compressor machine transmission shaft and dial gauge self.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cut-open view at C-C place among Fig. 1.
Fig. 3 is user mode figure of the present utility model.
Fig. 4 and Fig. 5 are the synoptic diagram that the utility model carries out the diaxon measurement of paralleism.
Embodiment
See figures.1.and.2, the cubing of air compressor machine transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism comprises base 9, test axle 11, core retainer plate 2 and dial gauge 12.Described base 9 is provided with a pair of base plate 6, and described core retainer plate 2 is fixed on the described a pair of base plate 6.Described test axle 11 is arranged in the described core retainer plate 2 and can rotates in core retainer plate 2 and move axially, and described test axle 11 right-hand members directly are connected with core retainer plate 2, and left end is connected with core retainer plate 2 by lining 1.
Also be provided with fastening bolt 15 on the described core retainer plate 2, when test axle 11 whenever runs to a test position, screw fastening bolt 15 and make its location.The two ends of described test axle 11 respectively are provided with limited block 14.
Described dial gauge 12 is arranged on the right-hand member of test axle 11 by dial framework 4 and cushion block 5.Cushion block 5 is fixed on the test axle 11 by socket head cap screw 3.
, fixing with straight pin 8 after regulating end between described base 9 and a pair of base plate 6 by socket head cap screw 7 adjustable connections.
With reference to Fig. 3, cubing of the present utility model, the height of its test axle is designed to consistent with the height of fuel oil pump shaft, and it is installed in the carrier base 13 of fuel pump, this test axle 11 just is equivalent to the axle A of fuel pump, just can measure the depth of parallelism of right alignment and diaxon in the following manner quickly and easily:
(1) measurement of right alignment
A, cubing is put into the fuel pump mounting bracket seat 13 of engine, the positioning spigot of cubing being close to carrier base 13 lateral surfaces with hand positions, and fixes by the deadweight of cubing; Certainly,, also can on base 9, offer four mounting holes, be fixed on the carrier base 13 with screw in order to locate more reliably;
B, test axle 11 is moved right, is arranged on the point of going up most that the gauge outfit 16 of the dial gauge of test axle one end is surveyed at air compressor machine transmission shaft B, and tabular value to 0;
C, test axle 11 Rotate 180s °, the point that descends most that the gauge outfit 16 of dial gauge is surveyed at air compressor machine transmission shaft B is read tabular value;
D, two value additions are aligned this calculated value to 0 value on the table divided by 2, and this is standard 0 value of test axle 11;
Each value that E, table are measured on air compressor machine transmission shaft B is air compressor machine transmission shaft B the center of testing axle 11 is worth partially.
(2) measurement of paralleism of diaxon
A, cubing is fixed on the engine fuel injection pump mounting bracket seat 13;
B, with reference to Fig. 4, test axle is located at 0 °, mobile test axle 11 is surveyed 2 points with dial gauge on the air compressor machine transmission shaft, this tabular value of 2 is respectively a and b, the distance between two test points is L, diaxon can be drawn by formula (1) at 0 ° of parallel error of locating
(a-b)/L=e (1)
C, with reference to Fig. 5, rotate the test axle and locate for 11 to 90 °, repeating step B, this moment, the dial gauge reading that records of two test points was respectively a " and b ", the distance between two test points is L, diaxon can be drawn by formula (2) at 90 ° of parallel errors of locating
(a″-b″)/L=e″ (2)
Above-mentioned parallel error may be positive number, negative or zero.
What should be understood that is: the foregoing description is just to explanation of the present utility model, rather than to restriction of the present utility model, any innovation and creation that do not exceed in the utility model connotation scope all fall within the protection domain of the present utility model.

Claims (7)

1. the cubing of air compressor machine transmission shaft and the fuel oil pump shaft right alignment and the depth of parallelism, comprise base (9), test axle (11), core retainer plate (2) and dial gauge (12), it is characterized in that described base (9) is provided with a pair of base plate (6), described core retainer plate (2) is fixed on the described a pair of base plate (6), described test axle (11) is arranged in the described core retainer plate (2) and can rotates in core retainer plate (2), and described dial gauge (12) is arranged on an end of test axle (11).
2. the cubing of air compressor machine transmission shaft as claimed in claim 1 and the fuel oil pump shaft right alignment and the depth of parallelism is characterized in that described dial gauge (12) is arranged on an end of test axle (11) by dial framework (4) and cushion block (5).
3. the cubing of air compressor machine transmission shaft as claimed in claim 1 and the fuel oil pump shaft right alignment and the depth of parallelism is characterized in that between described base (9) and a pair of base plate (6) by the adjustable connection of screw (7).
4. the cubing of air compressor machine transmission shaft as claimed in claim 3 and the fuel oil pump shaft right alignment and the depth of parallelism is characterized in that between described base (9) and a pair of base plate (6) fixing by straight pin (8).
5. the cubing of air compressor machine transmission shaft as claimed in claim 1 and the fuel oil pump shaft right alignment and the depth of parallelism is characterized in that described test axle (11) one ends are connected with core retainer plate (2) by lining (1).
6. the cubing of air compressor machine transmission shaft as claimed in claim 1 and the fuel oil pump shaft right alignment and the depth of parallelism is characterized in that also being provided with on the described core retainer plate (2) fastening bolt (15).
7. as the cubing of any one described air compressor machine transmission shaft of claim 1-6 and the fuel oil pump shaft right alignment and the depth of parallelism, it is characterized in that at least one end of described test axle (11) is provided with limited block (14).
CN2010202959301U 2010-08-18 2010-08-18 Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft Expired - Lifetime CN201764939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202959301U CN201764939U (en) 2010-08-18 2010-08-18 Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202959301U CN201764939U (en) 2010-08-18 2010-08-18 Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft

Publications (1)

Publication Number Publication Date
CN201764939U true CN201764939U (en) 2011-03-16

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ID=43717547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202959301U Expired - Lifetime CN201764939U (en) 2010-08-18 2010-08-18 Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft

Country Status (1)

Country Link
CN (1) CN201764939U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865802A (en) * 2012-09-14 2013-01-09 西安航空动力股份有限公司 Device for measuring coaxiality of bearing seat of aero-engine combustion chamber casing
CN105258597A (en) * 2015-11-13 2016-01-20 广西玉柴机器股份有限公司 Detection tool for fuel injection pump bracket of engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865802A (en) * 2012-09-14 2013-01-09 西安航空动力股份有限公司 Device for measuring coaxiality of bearing seat of aero-engine combustion chamber casing
CN102865802B (en) * 2012-09-14 2015-04-29 西安航空动力股份有限公司 Device for measuring coaxiality of bearing seat of aero-engine combustion chamber casing
CN105258597A (en) * 2015-11-13 2016-01-20 广西玉柴机器股份有限公司 Detection tool for fuel injection pump bracket of engine

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CX01 Expiry of patent term
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Granted publication date: 20110316