CN110879145A - Novel rotor centering device - Google Patents
Novel rotor centering device Download PDFInfo
- Publication number
- CN110879145A CN110879145A CN201911099689.7A CN201911099689A CN110879145A CN 110879145 A CN110879145 A CN 110879145A CN 201911099689 A CN201911099689 A CN 201911099689A CN 110879145 A CN110879145 A CN 110879145A
- Authority
- CN
- China
- Prior art keywords
- displacement sensor
- type base
- feeler gauge
- bracket
- rotor
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a novel rotor centering device, which comprises a magnetic suction type base, a bracket, a feeler gauge connector and a displacement sensor, wherein the magnetic suction type base is provided with a magnetic suction type base; the magnetic attraction type base is used for being in magnetic attraction connection with the centering equipment; the bracket is connected with the magnetic attraction type base and can adjust the position along with the movement of the magnetic attraction type base; the feeler gauge connector and the displacement sensor are connected with the bracket, and the feeler gauge connector is used for connecting a feeler gauge; the displacement sensor is used for measuring radial offset data of the rotor coupling under the position adjustment of the bracket; the feeler gauge is used for measuring axial offset data of the rotor coupling under the position adjustment of the support. The invention can realize that the problem of finding the center of the coupler can be quickly and accurately solved by using the shortest time on the basis of ensuring that the unit is smoothly started after being overhauled or the operation is quickly recovered when the equipment is abnormal due to the center problem.
Description
Technical Field
The invention belongs to the technical field of shaft coupling centering tests, and particularly relates to a novel rotor centering device.
Background
Along with the development of science and technology, the progress of technique, the shaft coupling is looked for the center, is an important work that rotating equipment such as turbo generator, water pump, fan, coal pulverizer overhauld, and the center of rotating equipment shaft coupling is not centering, can arouse the abnormal vibration of unit certainly. Therefore, the shaft coupling of the rotating equipment must be centered after installation or maintenance, so that the center deviation of the two shafts is in the allowable range. How to realize that on the basis of ensuring that the unit is smoothly started after being overhauled or rapidly recovering the operation when the equipment is abnormal due to the central problem, the shaft coupling centering test is rapidly and accurately completed in the shortest time, which is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a novel rotor centering device, which can rapidly and accurately solve the problem of shaft coupling centering in the shortest time on the basis of ensuring that a unit is smoothly started after maintenance or rapidly recovers to operate when equipment is abnormal due to a centering problem.
The invention provides a novel rotor centering device which comprises a magnetic suction type base, a support, a feeler gauge connector and a displacement sensor, wherein the magnetic suction type base is provided with a magnetic suction type base; the magnetic attraction type base is used for being in magnetic attraction connection with the centering equipment; the bracket is connected with the magnetic attraction type base and can adjust the position along with the movement of the magnetic attraction type base; the feeler gauge connector and the displacement sensor are connected with the bracket, and the feeler gauge connector is used for connecting the feeler gauge;
the displacement sensor is used for measuring radial offset data of the rotor coupling under the position adjustment of the bracket; the feeler gauge is used for measuring axial offset data of the rotor coupling under the position adjustment of the bracket.
Further, the displacement sensor is an eddy current type displacement sensor.
Further, magnetism is inhaled formula base and is constituted by two magnet, and magnet is connected with the knob, and the knob is used for through rotating magnet, makes magnetism inhale formula base and produces magnetic attraction or make magnetic attraction disappear.
Furthermore, the support can be freely rotated and is provided with a fine adjustment device.
Furthermore, the bracket is provided with a central mechanism with a locking spring, and can be clamped at any position.
Borrow by above-mentioned scheme, through neotype rotor centering device, can realize on guaranteeing to start smoothly after the unit overhauls or resume the basis of operation rapidly when leading to equipment unusual because of central problem, utilize the shortest time rapid, accurate solution shaft coupling centering problem.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a novel rotor centering device according to the present invention.
Reference numbers in the figures:
1-driving shaft; 2-a driven shaft; 3-a magnetic-type base; 4-a clearance gauge; 5-a displacement sensor; 6-bracket.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, the present embodiment provides a novel rotor centering device, which includes a magnetic-type base 3, a bracket 6, a feeler gauge connector, and a displacement sensor 5; the magnetic attraction type base 3 is used for being magnetically attracted and connected with centering equipment (in the embodiment, the magnetic attraction type base is magnetically attracted and connected with the driving shaft 1); the bracket 6 is connected with the magnetic attraction type base 3 and can adjust the position along with the movement of the magnetic attraction type base 3; the feeler gauge connector and the displacement sensor 5 are connected with the bracket 6, and the feeler gauge connector is used for connecting the feeler gauge 4;
the displacement sensor 5 is used for measuring the radial offset data of the rotor coupling under the position adjustment of the bracket 6; the feeler 4 is used for measuring the axial offset data of the rotor coupling under the position adjustment of the bracket 6.
In the present embodiment, the displacement sensor 5 is an eddy current type displacement sensor. The eddy current displacement sensor has good long-term working reliability, high sensitivity, strong anti-interference capability, non-contact measurement and high response speed, is not influenced by media such as oil and water, is often used for monitoring parameters such as shaft displacement, shaft vibration, shaft rotation speed and the like of a large-scale rotating machine in real time for a long time, can analyze the working condition and fault reasons of equipment, and effectively protects and predictively maintains the equipment. From the theoretical analysis of rotor dynamics and bearing science, the operation state of a large-scale rotating machine mainly depends on a core rotating shaft, and the eddy current displacement sensor can directly measure the state of the rotating shaft, so that the measurement result is reliable and credible.
In this embodiment, magnetism is inhaled formula base 3 and is constituted by two magnets, and magnet is connected with the knob, and the knob is used for through rotating magnet, makes magnetism inhale formula base 3 and produces magnetic attraction or make magnetic attraction disappear. In general, the two magnets are naturally attracted, and the two magnetic fields are superposed in the positive direction and can be adsorbed on steel or cast iron of equipment; the magnetic field polarity of the two magnets can be reversed by rotating one magnet through one knob, so that the magnetic fields of the two magnets are reversely superposed, and the magnetism of the magnetic type base 3 disappears. The magnetic type base 3 has good rigidity and convenient use. The magnetic base of the strong switch can be adjusted in magnetism at will.
In the embodiment, the position of the bracket 6 can be freely rotated to be provided with the fine adjustment device; the central mechanism with the anti-loosening spring can clamp at any position.
The use method of the novel rotor centering device comprises the following steps:
1) connecting the magnetic suction type base, the bracket, the feeler gauge connector and the displacement sensor, fixing the magnetic suction type base, and adjusting the direction and the position of the displacement sensor;
2) measuring the radial deviation condition of the rotor coupling by using a displacement sensor, dividing the semi-circle of the rotor coupling into 4 parts, and observing the data change conditions in other radial directions on the basis of recording 4 parts of data;
3) and 4, recording data, measuring the axial direction of the rotor coupling by using a feeler gauge and recording the data. Through simple and easy calculation of data, the rotor centering test is ensured to be completed quickly.
Through this neotype rotor centering device, can ensure quick completion rotor centering test, make equipment input safety and stability operation to guarantee rotor centering's precision and accuracy.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A novel rotor centering device is characterized by comprising a magnetic suction type base, a support, a feeler gauge connector and a displacement sensor; the magnetic attraction type base is used for being in magnetic attraction connection with the centering equipment; the bracket is connected with the magnetic attraction type base and can adjust the position along with the movement of the magnetic attraction type base; the feeler gauge connector and the displacement sensor are connected with the bracket, and the feeler gauge connector is used for connecting a feeler gauge;
the displacement sensor is used for measuring radial offset data of the rotor coupling under the position adjustment of the bracket; the feeler gauge is used for measuring axial offset data of the rotor coupling under the position adjustment of the support.
2. The novel rotor centering device as claimed in claim 1, wherein said displacement sensor is an eddy current type displacement sensor.
3. The novel rotor centering device as claimed in claim 1, wherein the magnetic base is composed of two magnets, and the magnets are connected with a knob, and the knob is used for rotating the magnets to enable the magnetic base to generate magnetic attraction force or enable the magnetic attraction force to disappear.
4. The new rotor centering device as claimed in claim 1, wherein said support is freely rotatable and provided with fine adjustment means.
5. The novel rotor centering device as claimed in claim 4, wherein said bracket is provided with a central mechanism with a locking spring, which can be clamped at any position.
6. The novel rotor centering device according to claim 1, wherein the using method comprises:
1) connecting the magnetic suction type base, the bracket, the feeler gauge connector and the displacement sensor, fixing the magnetic suction type base, and adjusting the direction and the position of the displacement sensor;
2) measuring radial offset data of the rotor coupling by using a displacement sensor, dividing the semi-circle of the rotor coupling into 4 parts, and observing data change conditions in other radial directions on the basis of recording the 4 parts of data;
3) recording 4 parts of data, simultaneously measuring the axial direction of the rotor coupling by using a feeler gauge, and recording the data;
4) through simple and easy calculation of data, the rotor centering test is ensured to be completed quickly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911099689.7A CN110879145A (en) | 2019-11-12 | 2019-11-12 | Novel rotor centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911099689.7A CN110879145A (en) | 2019-11-12 | 2019-11-12 | Novel rotor centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110879145A true CN110879145A (en) | 2020-03-13 |
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ID=69730541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911099689.7A Pending CN110879145A (en) | 2019-11-12 | 2019-11-12 | Novel rotor centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110879145A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595061A (en) * | 2004-06-23 | 2005-03-16 | 潘汉军 | Method for measuring and adjusting alignment error for coupling members of rotating shaft and instrument system therefor |
| CN101635488A (en) * | 2009-08-26 | 2010-01-27 | 中冶集团华冶资源开发有限责任公司 | Method for aligning concentricity of exciter rotor and generator rotor of turbogenerator |
| CN202255350U (en) * | 2011-08-23 | 2012-05-30 | 宝鸡石油机械有限责任公司 | Digital coaxiality tester |
| CN203572431U (en) * | 2013-12-10 | 2014-04-30 | 成都海光核电技术服务有限公司 | Vibration-proof shaft coupling centering device |
| CN106839924A (en) * | 2017-01-09 | 2017-06-13 | 沈阳工业大学 | Centrifugal pump couplings centering fixture |
| CN207300141U (en) * | 2017-10-20 | 2018-05-01 | 舞阳钢铁有限责任公司 | A kind of low speed toothed coupling concentricity fast aligning tool |
| CN110425956A (en) * | 2019-06-27 | 2019-11-08 | 上海宝钢工业技术服务有限公司 | Slewing center support system and its application method based on cell phone application |
-
2019
- 2019-11-12 CN CN201911099689.7A patent/CN110879145A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595061A (en) * | 2004-06-23 | 2005-03-16 | 潘汉军 | Method for measuring and adjusting alignment error for coupling members of rotating shaft and instrument system therefor |
| CN101635488A (en) * | 2009-08-26 | 2010-01-27 | 中冶集团华冶资源开发有限责任公司 | Method for aligning concentricity of exciter rotor and generator rotor of turbogenerator |
| CN202255350U (en) * | 2011-08-23 | 2012-05-30 | 宝鸡石油机械有限责任公司 | Digital coaxiality tester |
| CN203572431U (en) * | 2013-12-10 | 2014-04-30 | 成都海光核电技术服务有限公司 | Vibration-proof shaft coupling centering device |
| CN106839924A (en) * | 2017-01-09 | 2017-06-13 | 沈阳工业大学 | Centrifugal pump couplings centering fixture |
| CN207300141U (en) * | 2017-10-20 | 2018-05-01 | 舞阳钢铁有限责任公司 | A kind of low speed toothed coupling concentricity fast aligning tool |
| CN110425956A (en) * | 2019-06-27 | 2019-11-08 | 上海宝钢工业技术服务有限公司 | Slewing center support system and its application method based on cell phone application |
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Application publication date: 20200313 |
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