CN106767227A - Centrifugal water pump shaft coupling centering fixture - Google Patents
Centrifugal water pump shaft coupling centering fixture Download PDFInfo
- Publication number
- CN106767227A CN106767227A CN201710012536.9A CN201710012536A CN106767227A CN 106767227 A CN106767227 A CN 106767227A CN 201710012536 A CN201710012536 A CN 201710012536A CN 106767227 A CN106767227 A CN 106767227A
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- China
- Prior art keywords
- shaft coupling
- axial
- water pump
- centering
- pump shaft
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 42
- 238000010168 coupling process Methods 0.000 title claims abstract description 41
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 4
- 230000000153 supplemental effect Effects 0.000 abstract description 5
- 230000000452 restraining effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
-
- 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
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of centrifugal water pump shaft coupling centering fixture.The present invention is to rationally solve the fixation problem of dial gauge and amesdial, and do not influence the rotating property of axle, based on the quadrangle of four phase tangential lines composition of shaft section circle, the fixture with some strength and rigidity designed, it is connected with axle during centering, it is otch with a quadrangularly diagonal, one end is made to be connected with pin, form hinge restraining, the other end can free opening and closing, fixation degree is controlled by jackscrew, can ensure between fixture and axle without relative slip, shaft coupling centering fixture top half and the support welding of dial gauge axial direction, it is axially measured in order to realize, axial support can make L shape, effective positioning of axial dial gauge or amesdial can be realized；Having aperture in radial struts can realize effective positioning of axial dial gauge or amesdial；The equivalent expansion shaft coupling radius of supplemental measurement tool, finished surface high precision, during measurement, axial dial gauge is popped one's head in and supplemental measurement tool working face directly contact, improves centering precision.
Description
Technical field
The present invention relates to the centering of the 812-32 type centrifugal pump couplings of petroleum chemical enterprise's application, its centering fixture
Radial and axial displacement can be simultaneously measured, the centering process of motor shaft and pump shaft fast and accurate can be especially realized.
Background technology
At present, in petroleum chemical enterprise there be the conventional shaft coupling centering method of slewing：Ruler and clearance gauge carry out shaft coupling
Device centering method, single table method, double meter method, genuine standard and laser alignment method for centering.Shaft coupling is carried out using ruler and clearance gauge
During centering, the radial missing in the cylindrical each orientation of shaft coupling is measured with angle square and clearance gauge, two half a couplers are measured with clearance gauge
Axial gap deviation between end face, by analyzing and adjusting, reaches two shaft assignments.This method is simple to operate, but precision is not high,
The error of centralization is larger, is only applicable to that equipment rotating speed is relatively low, the less demanding occasion of centering；Single table method is recent domestic application
A kind of increasingly extensive shaft coupling centering method, this method only determines the cylindrical radial direction reading of shaft coupling wheel hub, accident
The axial reading of end face is measured, only with one piece of dial gauge during measurement operation, radially or axially deviation can only be measured, and can not realize
Effective positioning of dial gauge or amesdial, causes measuring result error big, and accuracy of alignment is not high；The laser alignment risen in recent years
Instrument centering is that, by laser transmitter projects laser beam, laser beam reaches receiver and received by photoelectrical position sensor and true
Determine initial position.When rotary shaft is rotated, any misaligning can all cause laser beam deviation initial position.Computer utilizes laser
Beam the variable quantity of position and calculates equipment centering situation from shaft coupling center to the distance of receiver on a sensor.Equipment pair
Middle situation can also can both be expressed from shaft coupling at equipment lower margin.But the centering of general slewing does not have
Be necessary to use laser alignment instrument because instrument is very accurate and expensive in itself, therefore laser alignment instrument be only used for it is large-scale
The centering of Key generating unit.It is general using the centering of the small rotary device coupling having a large capacity and a wide range in current industrial enterprise
All over use double meter method or genuine standard, because device structure varies, measuring instrumentss it is relatively difficult when being mounted with, or even
Cannot install, even if being fixed using magnetic stand, but due to its rigidity not enough, amount of deflection can be produced, and then it is larger to produce measurement
Error, has a strong impact on its certainty of measurement.
The content of the invention
Goal of the invention：In order to overcome dial gauge or amesdial during double meter method, genuine standard centering to be difficult to fix
And magnetic rod amount of deflection it is inadequate the problems such as, the present invention provides a kind of measurement fixture, and the fixture can not only realize dial gauge or amesdial
Effective positioning, be more avoided that magnetic rod amount of deflection deficiency problem, certainty of measurement can be effectively improved, meet slewing shaft coupling
Centering requirement.
Technical scheme：
Centrifugal water pump shaft coupling centering fixture, it is characterised in that：
The fixture includes top half and the latter half, two of the top half while and common group at two of the latter half
Quadrangularly；
Radial struts are connected with the latter half；Axial support is connected with top half；It is provided with the radial struts
Radial direction table hole；Axial table hole is provided with the axial support；The radial direction table hole is vertical with axial table hole；The axial table hole with
Measured object diameter parallel；The radial direction table axially bored line intersects with measured object axis；
Also include subsidiary part, the subsidiary part includes the working face vertical with measured object axis.
Above-mentioned centrifugal water pump shaft coupling centering fixture, it is preferable that the top half and the latter half
One end is connected by bearing pin, and the other end is by slip-knot bolt connection and with nut check；
Above-mentioned centrifugal water pump shaft coupling centering fixture, it is preferable that the axial support is L-shaped.
Above-mentioned centrifugal water pump shaft coupling centering fixture, it is preferable that it is characterized in that：Radial direction table hole and axial direction
Table hole to bracket edge is provided with clamping slot, has locking hole to pass perpendicularly through clamping slot, and pinching screw is provided with the locking hole.
Above-mentioned centrifugal water pump shaft coupling centering fixture, it is preferable that described subsidiary part is sector
Tabular, its short circular arc portion has perpendicular to the arc edge of sector；The arc matches along inner side cambered surface and measured object.
Advantage and effect：The present invention can realize effective positioning of dial gauge or amesdial, more be avoided that magnetic rod amount of deflection not
Sufficient problem, can effectively improve certainty of measurement, meet the centering requirement of slewing shaft coupling.
Brief description of the drawings：
Fig. 1 is the stereogram of fixture of the present invention
Fig. 2-4 is centering fixture top half X-Y scheme.
Fig. 5-7 is centering fixture the latter half X-Y scheme.
Fig. 8-9 is centering fixture radial struts X-Y scheme.
Figure 10-11 is centering fixture axial direction support X-Y scheme.
Figure 12-14 is centering fixture subsidiary part X-Y scheme.
Marked in figure：1 top half；2 the latter half；3 radial struts；4 axial supports；5 subsidiary parts；6 radially
Table hole；7 axial table holes；8 clamping slots；9 locking holes.
Specific embodiment：
Technological thought of the invention is：
In order to rationally solve the fixation problem of dial gauge and amesdial, and the rotating property of axle is not influenceed, first from axle, with
Based on the quadrangle of four phase tangential lines composition of shaft section circle, the fixture with some strength and rigidity, centering are designed
During be connected with axle, be otch with a quadrangularly diagonal, make the connection of one end pin, form hinge restraining, separately
One end can free opening and closing, fixation degree is controlled by jackscrew, it is ensured that without relative slip, shaft coupling pair between fixture and axle
Middle centering fixture top half and the support welding of dial gauge axial direction, axially measured in order to realize, axial support can make L shape,
Effective positioning of axial dial gauge or amesdial can be realized, rigidity enough, improves centering precision；Shaft coupling centering
Fixture the latter half and dial gauge radial struts are welded, and have aperture to realize axial dial gauge or amesdial in radial struts
Effectively position；The equivalent expansion shaft coupling radius of supplemental measurement tool, finished surface high precision, during measurement, axial dial gauge is visited
Head and supplemental measurement tool working face directly contact, facilitate the measurement of axial displacement, improve centering precision.
With reference to accompanying drawing, the present invention will be described：
As illustrated, the present invention is a kind of centering fixture of 812-32 types centrifugal pump couplings, the fixture includes the first half
Divide and the latter half；Two of the top half while and collectively constitute a quadrangle at two of the latter half；
In Fig. 1, one end of the latter half 2 of the top half 1 of shaft coupling centering fixture and shaft coupling centering fixture
Connected using pin, the other end uses dismountable slip-knot bolt connection, nut can be used to lock, prevent fixture from phase occurring with axle
To sliding.
Radial struts are connected with the latter half；Axial support is connected with top half；
Also include subsidiary part.
Described centrifugal water pump shaft coupling centering fixture, it is characterised in that：The axial support is L-shaped.
Described centrifugal water pump shaft coupling centering fixture, it is characterised in that：Footpath is provided with the radial struts
To table hole；Axial table hole is provided with the axial support；The radial direction table hole is vertical with axial table hole；The axial table hole and quilt
Survey thing diameter parallel；The radial direction table axially bored line intersects with measured object axis；Radial direction table hole and axial table hole to bracket edge are opened
There is clamping slot, there is locking hole to pass perpendicularly through clamping slot, pinching screw is installed in the locking hole.It is installed on wherein for clamping
Dial gauge or amesdial.
Described centrifugal water pump shaft coupling centering fixture, it is characterised in that：Described subsidiary part is
Sector, its short circular arc portion has perpendicular to the arc edge of sector.The effect of supplemental measurement tool is equivalent expansion shaft coupling
Radius, improves certainty of measurement.
In measurement process, shaft coupling centering fixture subsidiary part is fixed on one end of shaft coupling, by card
Tool is fixed to the other end, then using the fixed radial dial gauge of radial struts 3 of shaft coupling centering fixture, using connection
The axial support 4 of axle device centering fixture fixes axial dial gauge, it is ensured that the perpendicularity that dial gauge is popped one's head in measured surface, and
Making the probe of dial gauge has certain decrement.Radial clearance and axial gap of the dial gauge at 0 ° are first measured during measurement, so
Survey 90 ° respectively afterwards, 180 °, 270 ° of radial and axial gap, dial gauge radial displacement is designated as a1, a2, a3, a4, percentage respectively
Table axial displacement, is designated as s1, s2, s3, s4 respectively, and measurement returns to origin（0）When, it is necessary to it is consistent with former reading, otherwise find out original
Cause is simultaneously excluded, and is finally calculated according to computing formula.The adjustment of vertical direction：Known electric motor front foot is to the shaft coupling of most proximal end half
Device apart from L1, the motor rear foot to front foot apart from L2, the motor rear foot to most proximal end half a coupler apart from L1+L2, it is right
Wheel diameter D, original radial missing value is e=（a3-a1）/ 2, original axial deviation value is b=（s3-s1）/ 2, motor front foot adds
Spacer thickness is b*（L1/D）+ e, motor rear foot shimming thickness is b*（L1+L2）/ D+e, result of calculation be on the occasion of when, electricity
Shimming is answered in motivation underfooting, when result of calculation is negative value, should subtract pad, ensures that the neat corner of pad is not risen when cutting pad
Wrinkle；The adjustment of horizontal direction：The calculating of motor or so adjustment amount is identical with vertical direction, and adjustment jackscrew completes motor or so
Adjustment.
The beneficial effect of patent of the present invention is that the new centering fixture designed meets intensity, rigidity requirement, it is ensured that measurement
The installation of instrument is fixed, and fixture structure is simple, easy for installation, meets accuracy of alignment requirement, can fast and effeciently realize shaft coupling
Device centering process, improves the efficiency of junction box levelling.Carrying out centering operation using novel coupler centering fixture can make hundred
Divide table（Or amesdial）It is easier for installation, within reaching 2/100mm with dial gauge centering its precision, so that extension device
Service life, improves the performance of enterprises.
Claims (5)
1. centrifugal water pump shaft coupling centering fixture, it is characterised in that：
The fixture includes top half（1）And the latter half（2）, the top half（1）Two sides and the latter half（2）'s
Two side collectively constitutes quadrangle；
The latter half（2）On be connected with radial struts（3）；Top half（1）On be connected with axial support（4）；The footpath
To support（3）On be provided with radial direction table hole（6）；The axial support（4）On be provided with axial table hole（7）；The radial direction table hole（6）With
Axial table hole（7）Vertically；The axial table hole（7）With measured object diameter parallel；The radial direction table hole（6）Axis and measured object axle
Line intersects；
Also include subsidiary part（5）, the subsidiary part（5）Including the working face vertical with measured object axis.
2. centrifugal water pump shaft coupling centering fixture according to claim 1, it is characterised in that：The first half
Point（1）And the latter half（2）One end connected by bearing pin, the other end is by slip-knot bolt connection and with nut check.
3. centrifugal water pump shaft coupling centering fixture according to claim 1, it is characterised in that：The axially branch
Frame（4）It is L-shaped.
4. centrifugal water pump shaft coupling centering fixture according to claim 1, it is characterised in that：Radial direction table hole and
Axial table hole to bracket edge is provided with clamping slot（8）, there is locking hole（9）Pass perpendicularly through clamping slot, the locking hole（9）Interior installation
There is pinching screw.
5. centrifugal water pump shaft coupling centering fixture according to claim 1, it is characterised in that：Described auxiliary
Measurement part（5）It is fan-shaped tabular, its short circular arc portion has perpendicular to the arc edge of sector；The arc along inner side cambered surface with
Measured object matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012536.9A CN106767227A (en) | 2017-01-09 | 2017-01-09 | Centrifugal water pump shaft coupling centering fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012536.9A CN106767227A (en) | 2017-01-09 | 2017-01-09 | Centrifugal water pump shaft coupling centering fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106767227A true CN106767227A (en) | 2017-05-31 |
Family
ID=58950355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012536.9A Pending CN106767227A (en) | 2017-01-09 | 2017-01-09 | Centrifugal water pump shaft coupling centering fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106767227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504094A (en) * | 2020-12-22 | 2021-03-16 | 中国船舶重工集团公司第七0三研究所 | Gas turbine shaft coupling centering combination frock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255253U (en) * | 2011-09-03 | 2012-05-30 | 鞍钢重型机械有限责任公司 | Coaxiality aligning tool for coupler |
| CN102506668A (en) * | 2011-10-28 | 2012-06-20 | 中国核工业二三建设有限公司 | No-deflection centering device |
| WO2014092523A1 (en) * | 2012-11-23 | 2014-06-19 | Universite Sidi Mohamed Ben Abdellah | Device for controlling the alignment of transmission shafts |
| CN204976485U (en) * | 2015-06-26 | 2016-01-20 | 中国十九冶集团有限公司 | Special tool for aligning coupler |
| CN205049074U (en) * | 2015-10-21 | 2016-02-24 | 河北钢铁股份有限公司邯郸分公司 | Gas -blowing engine center alignment is with supporting table skeleton |
-
2017
- 2017-01-09 CN CN201710012536.9A patent/CN106767227A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255253U (en) * | 2011-09-03 | 2012-05-30 | 鞍钢重型机械有限责任公司 | Coaxiality aligning tool for coupler |
| CN102506668A (en) * | 2011-10-28 | 2012-06-20 | 中国核工业二三建设有限公司 | No-deflection centering device |
| WO2014092523A1 (en) * | 2012-11-23 | 2014-06-19 | Universite Sidi Mohamed Ben Abdellah | Device for controlling the alignment of transmission shafts |
| CN204976485U (en) * | 2015-06-26 | 2016-01-20 | 中国十九冶集团有限公司 | Special tool for aligning coupler |
| CN205049074U (en) * | 2015-10-21 | 2016-02-24 | 河北钢铁股份有限公司邯郸分公司 | Gas -blowing engine center alignment is with supporting table skeleton |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504094A (en) * | 2020-12-22 | 2021-03-16 | 中国船舶重工集团公司第七0三研究所 | Gas turbine shaft coupling centering combination frock |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |