CN106441035A - Method for determining centering angle of intermediate shaft - Google Patents
Method for determining centering angle of intermediate shaft Download PDFInfo
- Publication number
- CN106441035A CN106441035A CN201610770961.XA CN201610770961A CN106441035A CN 106441035 A CN106441035 A CN 106441035A CN 201610770961 A CN201610770961 A CN 201610770961A CN 106441035 A CN106441035 A CN 106441035A
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- China
- Prior art keywords
- centering
- centering indicator
- indicator
- jackshaft
- intermediate shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a method for rapidly determining the centering angle of an intermediate shaft. The method includes: a first intermediate shaft and a second intermediate shaft are arranged on bases; a first centering indicator is arranged on the first intermediate shaft, and a second centering indicator is arranged on the second intermediate shaft; the positions of the first intermediate shaft and the second intermediate shaft are adjusted, and an end part of the first centering indicator and an end part of the second centering indicator are enabled to be contacted; and the distance L between the first centering indicator and the second centering indicator at the same scale point is measured, and the intermediate shaft centering angle a corresponding to the distance L is calculated according to the formula L=2*S*cos (a/2). The beneficial effects of the method are that the intermediate shaft centering angle a can be rapidly determined after the measurement of the distance L between the first centering indicator and the second centering indicator at the same scale point, if a is not in accordance with the requirement, the first intermediate shaft and the second intermediate shaft are continuously adjusted until the angle a corresponding to the measured L satisfies the requirement, and the method is convenient and fast.
Description
Technical field
The present invention relates to a kind of method determining middle shaft assignment angle.
Background technology
On some maritime platform supply vessels, use the rudder oar propeller of full circle swinging, typically with marine diesel Lai
Drive rudder oar, and be used for connecting diesel engine and rudder oar is jackshaft 6 and universal coupling 5.Universal coupling in a pre-installation, needs
By the centering data point reuse of the jackshaft at two ends to meeting requirement, see Fig. 1.
Content of the invention
The technical problem to be solved is：A kind of method that can quickly determine middle shaft assignment angle is provided.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Shaft assignment angle in the middle of a kind of determination
Method, comprises the steps：
Step 1, the first jackshaft and the second jackshaft are placed on pedestal；
Step 2, the first centering indicator is arranged on the first jackshaft, the second centering indicator is arranged in second
On countershaft, wherein, the total length L of the first centering indicator1Total length L with the second centering indicator2Identical；
The position of step 3, adjustment the first jackshaft and the second jackshaft, makes the end of the first centering indicator and second right
The ends contact of middle indicator；
Step 4, measurement the first centering indicator and the second centering indicator apart from l, adjust the first jackshaft and second
Jackshaft, makes the flange of the first centering indicator and the projection of the flange of the second centering indicator be parallel to each other；
Step 5, measurement the first centering indicator and the second centering indicator in the distance between identical graduation point L, according to
Formula L=2*S*cos (a/2), calculates middle shaft assignment angle a corresponding to apart from L.
The beneficial effects of the present invention is：After two jackshafts and two centering indicators are installed, adjustment position simultaneously measures
Distance, middle shaft assignment angle a according to corresponding to can get apart from L after formula L=2*S*cos (a/2) calculates, if a is not
Meet the requirements, then continue adjustment the first jackshaft and the second jackshaft, the corresponding angle of the L until measuring meets requirement and is
Only, convenient and swift.
Brief description
Fig. 1 is the scheme of installation of universal coupling and jackshaft.
Fig. 2 is the scheme of installation of jackshaft and centering indicator.
Fig. 3 is the scheme of installation of flange base and pointer.
Fig. 4 is the instrumentation plan of l.
Fig. 5 is the instrumentation plan of L.
Label declaration：
1st, the first jackshaft；2nd, the second jackshaft；3rd, the first centering indicator；31st, the pointer of the first centering indicator；
32nd, the flange base of the first centering indicator；4th, the second centering indicator；41st, the pointer of the second centering indicator；42nd, second
The flange base of centering indicator；5th, universal coupling；6th, jackshaft；7th, fixing bolt；8th, pedestal.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：By measurement distance L, between after formula L=2*S*cos (a/2) calculating
Connect middle shaft assignment angle a obtaining corresponding to apart from L, if a is undesirable, continue in adjustment the first jackshaft and second
Countershaft, till the corresponding angle of the L until measuring meets requirement, convenient and swift.
Refer to Fig. 1 to Fig. 5, in the middle of a kind of determination, the method for shaft assignment angle, comprises the steps：
Step 1, the first jackshaft 1 and the second jackshaft 2 are placed on pedestal 8；
Step 2, the first centering indicator 3 is arranged on the first jackshaft, the second centering indicator 4 is arranged on second
On jackshaft, wherein, the total length L of the first centering indicator1Total length L with the second centering indicator2Identical；
The position of step 3, adjustment the first jackshaft and the second jackshaft, makes the end of the first centering indicator and second right
The ends contact of middle indicator；
Step 4, measurement the first centering indicator and the second centering indicator apart from l, adjust the first jackshaft and second
Jackshaft, makes the flange of the first centering indicator and the projection of the flange of the second centering indicator be parallel to each other；
Step 5, measurement the first centering indicator and the second centering indicator in the distance between identical graduation point L, according to
Formula L=2*S*cos (a/2), calculates a corresponding to apart from L.
Further, step 2 specifically includes：The flange base 32 of the first centering indicator is arranged on the first jackshaft
In end flange, it is tightened by bolts；The pointer 31 of the first centering indicator is loaded the flange base of the first centering indicator
In the hole, adjustment the first centering indicator pointer end to the flange base end of the first centering indicator apart from L3, with admittedly
Determine bolt 7 to fix the pointer of the first centering indicator, the scale reading of record fixing bolt；
And, the flange base 42 of the second centering indicator is arranged in the end flange of the second jackshaft, uses bolt
Locking；The pointer 41 of the second centering indicator is loaded the in the hole of the flange base of the second centering indicator, adjust the second centering
The pointer end of indicator is to the flange base end of the second centering indicator apart from L4, with fixing bolt by second pair of middle finger
Show that the pointer of device is fixed, the scale reading of record fixing bolt.
Further, also include after step 4：Rotate the first jackshaft, the end of observation the first centering indicator whether
There is the end deviateing the second centering indicator, if unbiased is from qualified；
Rotate the second jackshaft, whether the end observing the second centering indicator has the end deviateing the first centering indicator
Portion, if unbiased is from qualified.
Knowable to foregoing description, the beneficial effects of the present invention is：After two jackshafts and two centering indicators are installed,
Adjustment position measurement distance, the jackshaft pair according to corresponding to can get apart from L after formula L=2*S*cos (a/2) calculates
Middle angle a, if a is undesirable, continues adjustment the first jackshaft and the second jackshaft, the L until measuring is corresponding
Till angle meets requirement, convenient and swift.
Embodiment
Step 1. centering requires；L1=L2, a1=a2=required angle a.
Step 2. first jackshaft and the second jackshaft have been placed on pedestal.
First centering indicator is arranged on the first jackshaft step 3., and Fig. 3 is shown in by centering indicator schematic diagram.
3.1 centering indicator flange base is arranged in the end flange of the first jackshaft, is tightened by bolts.
Centering indicator pointer is loaded the in the hole of centering indicator flange base by 3.2, and adjustment the first centering indicator refers to
Needle end part is to the flange base end of the first centering indicator apart from L3(see Fig. 2), the scale reading of record fixing bolt.
Centering indicator pointer is fixed by 3.3 with fixing bolt (see Fig. 3).
Step 4. by the method for step 3, second centering indicator is arranged on the second jackshaft.
Step 5. adjusts the position of the first jackshaft and the second jackshaft, makes the first centering indicator and the second centering instruction
The ends contact of device.
Step 6. measures the distance (left and right directions) of the first centering indicator and centering indicator, sees Fig. 4.
Step 7. adjusts the first jackshaft and the second jackshaft, makes l1=l2.
Step 8. rotates the first jackshaft, and whether the end observing the first centering indicator has deviation the second centering indicator
End, if no representing qualified.
Step 9. rotates the second jackshaft, and whether the end observing the second centering indicator has deviation the first centering indicator
End, if no representing qualified.
Step 10. measures the first centering indicator and the second centering indicator in the distance between identical graduation point L (measurement
Position is at the pointer top of centering indicator), see Fig. 5.
Step 11. calculates angle a corresponding to apart from L1(a2), the table of comparisons apart from L and angle a is shown in Table 1.
Wherein, L1It is the instruction of the total length of the first centering indicator, i.e. the first intermediate shaft flange front end face and the first centering
The distance of device end (circle point)；L2It is the total length of the second centering indicator, that is, the second intermediate shaft flange front end face is right with second
The distance of middle indicator end (circle point)；L3It is the flange base of the first centering indicator pointer end to the first centering indicator
The distance of end；L4It is the distance of the flange base end to the first centering indicator for the second centering indicator pointer end；a1It is
The center line of the first jackshaft (the first centering indicator) and the angle of the first jackshaft and two flange center's lines；a2It is second
The center line of jackshaft (the second centering indicator) and the angle of the first jackshaft and two flange center's lines；
Fig. 4 is the visual angle (vertically looking down from upper) of top view, that is to say the projection in the horizontal plane of centering indicator；l1
And l2It is the vertical range in projection between the flange of the first centering indicator and the flange of the second centering indicator, l1=l2I.e.
Represent that in projection, two flanges are parallel.
Relation in corresponding table：See also illustrate apart from L；Generally, distance is the data being easier to measure, and angle
More difficult direct instrument measures, but calculates corresponding angle according to the relation of trigonometric function after measurement distance；In order to save
Calculating repeatedly in work progress, has specially got well in the positive and negative interval of a certain angle a (such as in calculation before construction：(a-3)°
Arrive (a+3) °) corresponding to distance value L；In work progress, compare the L value in the table of comparisons with data L of actual measurement, from
And can rapidly draw an angle about.
Explanation：The table of comparisons sets centering indicator in a certain fixing calibration points such as (scale S=100+75)
Table 1
Computing formula：L=2*S*cos (a/2).
Explanation with regard to S in formula：S is the distance that centering indicator end (pointer needle point) arrives a certain scale；Because of scale
Zero point is not pointer needle point, but 100 in an optional distance such as file are exactly the distance to scale zero for the needle point
It is that 100, S=100+75 represents the distance being needle point at scale 75.
12. measure L, and corresponding table 1 draws respective angles, sees whether meet requirement；If being unsatisfactory for requiring, in adjustment first
Countershaft and the second jackshaft, the corresponding angle of the L until measuring meets requirement.
In sum, the having the beneficial effects that of the method for determination jackshaft centering angle that the present invention provides：In the middle of two
After axle and two centering indicators install, adjustment position measurement distance, after calculating according to formula L=2*S*cos (a/2)
Obtain middle shaft assignment angle a corresponding to apart from L, if a is undesirable, continue in the middle of adjustment the first jackshaft and second
Axle, till the corresponding angle of the L until measuring meets requirement, convenient and swift.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
The equivalents that bright specification and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner
In the scope of patent protection of the present invention.
Claims (3)
1. a kind of determine in the middle of shaft assignment angle method it is characterised in that：Comprise the steps：
Step 1, the first jackshaft and the second jackshaft are placed on pedestal；
Step 2, the first centering indicator is arranged on the first jackshaft, the second centering indicator is arranged on the second jackshaft
On, wherein, the total length L of the first centering indicator1Total length L with the second centering indicator2Identical；
The position of step 3, adjustment the first jackshaft and the second jackshaft, makes the end of the first centering indicator and second pair of middle finger
Show the ends contact of device；
Step 4, measurement the first centering indicator and the second centering indicator apart from l, adjust in the middle of the first jackshaft and second
Axle, makes the flange of the first centering indicator and the projection of the flange of the second centering indicator be parallel to each other；
Step 5, measurement the first centering indicator and the second centering indicator in the distance between identical graduation point L, according to formula L
=2*S*cos (a/2), calculates middle shaft assignment angle a corresponding to apart from L.
2. according to claim 1 determine in the middle of shaft assignment angle method it is characterised in that：Step 2 specifically includes：Will
The flange base of the first centering indicator is arranged in the end flange of the first jackshaft, is tightened by bolts；By first pair of middle finger
Show that the pointer of device loads the in the hole of the flange base of the first centering indicator, the pointer end of adjustment the first centering indicator to the
The flange base end of indicator apart from L in a pair3, with fixing bolt, the pointer of the first centering indicator is fixed, record
The scale reading of fixing bolt.
3. according to claim 1 determine in the middle of shaft assignment angle method it is characterised in that：Also include after step 4：
Rotate the first jackshaft, whether the end observing the first centering indicator has the end deviateing the second centering indicator, if unbiased
From then qualified；
Rotate the second jackshaft, whether the end observing the second centering indicator has the end deviateing the first centering indicator, if
Unbiased is from then qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770961.XA CN106441035B (en) | 2016-08-30 | 2016-08-30 | A kind of method of determining intermediate shaft assignment angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770961.XA CN106441035B (en) | 2016-08-30 | 2016-08-30 | A kind of method of determining intermediate shaft assignment angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441035A true CN106441035A (en) | 2017-02-22 |
| CN106441035B CN106441035B (en) | 2019-03-19 |
Family
ID=58091902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610770961.XA Active CN106441035B (en) | 2016-08-30 | 2016-08-30 | A kind of method of determining intermediate shaft assignment angle |
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| Country | Link |
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| CN (1) | CN106441035B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245761Y (en) * | 1995-10-06 | 1997-01-22 | 北京三众工贸有限责任公司 | Machine shaft alignement instrument |
| RU2379625C1 (en) * | 2008-06-02 | 2010-01-20 | Открытое акционерное общество Научно-производственное объединение "Искра" | Method of centering machine shafts |
| JP2010071705A (en) * | 2008-09-17 | 2010-04-02 | Hitachi Plant Technologies Ltd | Coupling centering tool |
| CN201788504U (en) * | 2009-03-05 | 2011-04-06 | 北京燕化正邦设备检修有限公司 | Calculator special for aligning and centering rotating mechanical coupling |
| CN102288096A (en) * | 2011-05-18 | 2011-12-21 | 中国航空动力机械研究所 | Shaft declination angle measurement device |
| CN103542797A (en) * | 2013-10-11 | 2014-01-29 | 武昌船舶重工有限责任公司 | Manufacturing method for zigzag shafting alignment tool |
| CN103538697A (en) * | 2013-10-11 | 2014-01-29 | 武昌船舶重工有限责任公司 | Method for centering zigzag shaft system |
| CN104048595A (en) * | 2014-06-27 | 2014-09-17 | 西安交通大学 | Angle misalignment fault quantitative detection system and method for rotating machine |
| CN105127735A (en) * | 2015-07-08 | 2015-12-09 | 四川电力建设二公司 | Installation aligning method for shafting |
-
2016
- 2016-08-30 CN CN201610770961.XA patent/CN106441035B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245761Y (en) * | 1995-10-06 | 1997-01-22 | 北京三众工贸有限责任公司 | Machine shaft alignement instrument |
| RU2379625C1 (en) * | 2008-06-02 | 2010-01-20 | Открытое акционерное общество Научно-производственное объединение "Искра" | Method of centering machine shafts |
| JP2010071705A (en) * | 2008-09-17 | 2010-04-02 | Hitachi Plant Technologies Ltd | Coupling centering tool |
| CN201788504U (en) * | 2009-03-05 | 2011-04-06 | 北京燕化正邦设备检修有限公司 | Calculator special for aligning and centering rotating mechanical coupling |
| CN102288096A (en) * | 2011-05-18 | 2011-12-21 | 中国航空动力机械研究所 | Shaft declination angle measurement device |
| CN103542797A (en) * | 2013-10-11 | 2014-01-29 | 武昌船舶重工有限责任公司 | Manufacturing method for zigzag shafting alignment tool |
| CN103538697A (en) * | 2013-10-11 | 2014-01-29 | 武昌船舶重工有限责任公司 | Method for centering zigzag shaft system |
| CN104048595A (en) * | 2014-06-27 | 2014-09-17 | 西安交通大学 | Angle misalignment fault quantitative detection system and method for rotating machine |
| CN105127735A (en) * | 2015-07-08 | 2015-12-09 | 四川电力建设二公司 | Installation aligning method for shafting |
Non-Patent Citations (1)
| Title |
|---|
| 王秩信: "《大间距传动轴的对中》", 《中国设备管理》 * |
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| Publication number | Publication date |
|---|---|
| CN106441035B (en) | 2019-03-19 |
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| CB02 | Change of applicant information |
Address after: 350000 1 boat Road, kudu Island, Lianjiang Town, Fuzhou, Fujian Applicant after: Fujian MaWei ShipBuilding Ltd. Address before: No. 3, Mawei, Fujian Province, Fuzhou City, Fujian Applicant before: Fujian MaWei ShipBuilding Ltd. |
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