CN104634308A - Detection device and detection method of electric power industry steam turbine main shaft bearing capable of being self-lubricated - Google Patents
Detection device and detection method of electric power industry steam turbine main shaft bearing capable of being self-lubricated Download PDFInfo
- Publication number
- CN104634308A CN104634308A CN201510077584.7A CN201510077584A CN104634308A CN 104634308 A CN104634308 A CN 104634308A CN 201510077584 A CN201510077584 A CN 201510077584A CN 104634308 A CN104634308 A CN 104634308A
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- Prior art keywords
- inner ring
- outer ring
- main shaft
- horizontal
- shaft bearing
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003068 static effect 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
- 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
- G01B21/20—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 contours or curvatures, e.g. determining profile
-
- 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
Abstract
The invention relates to a detection device and a detection method of an electric power industry steam turbine main shaft bearing capable of being self-lubricated. The detection device is used for detecting shape precision (such as cylindricity) and relative position precision of an inner ring (91) and an outer ring (92) of a main shaft bearing (9), and the detection device comprises a supporting seat (8), a lifting supporting assembly (6) and a detection execution assembly (7), wherein the supporting seat (8) is provided with a detection table (82) for placing the main shaft bearing (9) and a guide rod (81) for guiding the lifting supporting assembly (6). The method comprises the steps of firstly positioning the main shaft bearing (9) on the detection table (82), and then measuring the shape precision and relative position precision of the inner ring and the outer ring.
Description
Technical field
The present invention relates to the power generation turbine field of power industry, be specially pick-up unit and the detection method of the power industry turbine spindle bearing that can carry out self-lubricating.
Background technology
In power-generating enterprise, steam turbine is important main equipment.Because steam turbine in use load is large and long operational time, therefore require higher for the strength of parts of steam turbine and fiduciary level etc.
In the use procedure of steam turbine, due to the shaft strength of main shaft and amount of exercise accumulative comparatively large, its possibility that defects such as wearing and tearing occur is higher.And the relative positional accuracy of main shaft bearing and form accuracy all have material impact for the operation stability of steam turbine entirety and fiduciary level.
Summary of the invention
The object of this invention is to provide a kind of pick-up unit and the detection method that can carry out the power industry turbine spindle bearing of self-lubricating, the defect of prior art can be overcome.
The pick-up unit that can carry out the power industry turbine spindle bearing of self-lubricating according to an aspect of the present invention, for form accuracy (as cylindricity) and the relative positional accuracy of the inner ring and outer ring that detect main shaft bearing, comprise supporting seat, lifting bearing assembly and detection executive module, wherein, described supporting seat is provided with the monitor station for placing main shaft bearing and the guide rod for leading to described lifting bearing assembly, described lifting bearing assembly comprises the driving lifting motor be fixedly installed on described supporting seat, described driving lifting motor connects with the screw rod on the vertical horizontal surface being fixedly connected on described supporting seat, screw threaded engagement in described screw rod and elevator, the upper end of described elevator is fixedly connected horizontal-extending beam, described horizontal-extending beam extends from described elevator towards described monitor station, and the upper lateral part of horizontal-extending beam is provided with the rotary actuation motor of described detection executive module, the following side of horizontal-extending beam is rotatably provided with suspended axle, the upper end of described suspended axle connects with described rotary actuation motor, the lower end of described suspended axle is fixedly connected with the walking arm of described detection executive module, horizontal screw lead is rotatably mounted with in described walking arm, described horizontal screw lead and tangential movement block threaded engagement, and one end of described horizontal screw lead is connected with spindle motor, described tangential movement block is fixedly connected with detection components, detection components is in order to contact described main shaft bearing thus to detect, described elevator is fixedly installed guide, is provided with pilot hole in described guide to be slidably matched with described guide rod, wherein, to be placed on the center after on described monitor station aligned with each other for the rotation center of described suspended axle and described main shaft bearing, be provided with oil pipe in described tangential movement block top, described oil pipe is for falling " T " font, and be provided with spongy layer in the tangential movement block both sides of described walking arm inner section, described spongy layer is connected with oil pipe.
Wherein, described detection components comprises the feeler lever that can slide wherein, the slip of described feeler lever can produce displacement electric signal, and described feeler lever comprises horizontal segment and vertical section, and the end of vertical section is provided with the first relative in the horizontal direction ball-type contact and the second ball-type contact.
According on the other hand, as described in the using method of pick-up unit, comprising:
First main shaft bearing is located on described monitor station;
When needing the form accuracy detecting described inner ring:
A) described inner ring is fixed;
B) described detection components makes its second ball-type contact contact with the inner peripheral surface of described inner ring by elevating movement and tangential movement;
C) make described detection components rotate thus detect the form accuracy of described inner ring;
When needing the form accuracy detecting described outer ring:
A) described outer ring is fixed;
B) described detection components makes its first ball-type contact contact with the outer circumference surface of described outer ring by elevating movement and tangential movement;
C) make described detection components rotate thus detect the form accuracy of described inner ring;
When needing to detect the floating degree of described inner ring relative to described outer ring:
A) described outer ring is fixed and described inner ring float;
B) described detection components makes its second ball-type contact contact with the inner peripheral surface of described inner ring by elevating movement and tangential movement, and described inner ring is pressed to described outer ring by the tangential movement continued;
C) described detection components is rotated, thus make described inner ring in different angle positions towards described outer ring floating bias; Detect the relative positional accuracy of described inner ring relative to described outer ring thus.
By such scheme, owing to have employed, large component-turbine spindle bearing fixed static is placed, and the pattern that pick-up unit is rotated, therefore the rotation center of pick-up unit can realize good alignment with the center of main shaft bearing.And adopting the detection executive item with two contact head, it can utilize the contact head of side to detect inner ring, and the contact head of opposite side can detect outer ring, realizes the double check of Internal and external cycle; The switching of this double check is driven by Lift Part and tangential movement and realizes; And utilize horizontal drive to move simultaneously can also to realize following function: fix in outer ring, inner ring is when floating, apply certain radial force to inner ring, thus the floating degree of inner ring relative to outer ring can be measured.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram that can carry out the pick-up unit of the power industry turbine spindle bearing of self-lubricating of the present invention;
Fig. 2 is the schematic top plan view of bearing when measuring in Fig. 1;
Fig. 3 is measuring the schematic diagram of inner ring relative to the floating degree of outer ring, and wherein, outer ring is now fixing and not shown, state stacking diagram when inner ring floats and shows the 90 degree of phase places in four kinds of intervals.
Embodiment
Below in conjunction with Fig. 1-3, the present invention is described in detail.
According to embodiment, a kind of pick-up unit that can carry out the power industry turbine spindle bearing of self-lubricating, for the form accuracy of the inner ring 91 and outer ring 92 that detect main shaft bearing 9 as cylindricity and relative positional accuracy, comprise supporting seat 8, lifting bearing assembly 6 and detection executive module 7, wherein, described supporting seat 8 is provided with the monitor station 82 for placing main shaft bearing 9 and the guide rod 81 for leading to described lifting bearing assembly 6, described lifting bearing assembly 6 comprises the driving lifting motor 61 be fixedly installed on described supporting seat 8, described driving lifting motor 61 connects with the screw rod 62 on the vertical horizontal surface being fixedly connected on described supporting seat 8, described screw rod 62 and the screw threaded engagement in elevator 63, the upper end of described elevator 63 is fixedly connected horizontal-extending beam 64, described horizontal-extending beam 64 extends from described elevator 63 towards described monitor station 82, and the upper lateral part of horizontal-extending beam 64 is provided with the rotary actuation motor 71 of described detection executive module 7, the following side of horizontal-extending beam is rotatably provided with suspended axle 72, the upper end of described suspended axle 72 connects with described rotary actuation motor 71, the lower end of described suspended axle 72 is fixedly connected with the walking arm 73 of described detection executive module 7, horizontal screw lead 74 is rotatably mounted with in described walking arm 73, described horizontal screw lead 74 and tangential movement block 743 threaded engagement, and one end of described horizontal screw lead 74 is connected with spindle motor 632, described tangential movement block 743 is fixedly connected with detection components 745, detection components 745 is in order to contact described main shaft bearing 9 thus to detect, described elevator 63 is fixedly installed guide 631, is provided with pilot hole in described guide 631 to be slidably matched with described guide rod 81, wherein, to be placed on the center after on described monitor station 82 aligned with each other for the rotation center of described suspended axle 72 and described main shaft bearing 9, be provided with oil pipe 1001 in described tangential movement block 743 top, described oil pipe 1001 is for falling " T " font, and be provided with spongy layer 1002 in tangential movement block 743 both sides of described walking arm 73 inner section, described spongy layer 1002 is connected with oil pipe 1001.
Wherein, described detection components 745 comprises the feeler lever 75 that can slide wherein, the slip of described feeler lever 75 can produce displacement electric signal, described feeler lever comprises horizontal segment 751 and vertical section 752, and the end of vertical section 752 is provided with the first relative in the horizontal direction ball-type contact 753 and the second ball-type contact 754.
Wherein, the using method of above-mentioned detection device, comprising:
First main shaft bearing 9 is located on described monitor station 82;
When needing the form accuracy detecting described inner ring 91:
A makes described inner ring 91 fix;
Detection components 745 described in b makes its second ball-type contact 754 contact with the inner peripheral surface of described inner ring 91 by elevating movement and tangential movement;
C makes described detection components 745 rotate thus detects the form accuracy of described inner ring 91;
When needing the form accuracy detecting described outer ring 92:
A makes described outer ring 92 fix;
Detection components 745 described in b makes its first ball-type contact 753 contact with the outer circumference surface of described outer ring 92 by elevating movement and tangential movement;
C makes described detection components 745 rotate thus detects the form accuracy of described inner ring 91;
When needing to detect the floating degree of described inner ring 91 relative to described outer ring 92:
A makes described outer ring 92 fixing and described inner ring 91 floats;
Detection components 745 described in b makes its second ball-type contact 754 contact with the inner peripheral surface of described inner ring 91 by elevating movement and tangential movement, and described inner ring 91 is pressed to described outer ring 92 by the tangential movement continued;
C makes described detection components 745 rotate, thus makes described inner ring 91 in different angle positions towards described outer ring 92 floating bias; Detect the relative positional accuracy of described inner ring 91 relative to described outer ring 92 thus.
Claims (3)
1. one kind can be carried out the pick-up unit of the power industry turbine spindle bearing of self-lubricating, for form accuracy (as cylindricity) and the relative positional accuracy of the inner ring (91) and outer ring (92) that detect main shaft bearing (9), comprise supporting seat (8), lifting bearing assembly (6) and detection executive module (7), wherein, described supporting seat (8) is provided with the monitor station (82) for placing main shaft bearing (9) and the guide rod (81) for leading to described lifting bearing assembly (6), described lifting bearing assembly (6) comprises the driving lifting motor (61) be fixedly installed on described supporting seat (8), described driving lifting motor (61) connects with the screw rod (62) on the vertical horizontal surface being fixedly connected on described supporting seat (8), described screw rod (62) and the screw threaded engagement in elevator (63), the upper end of described elevator (63) is fixedly connected horizontal-extending beam (64), described horizontal-extending beam (64) extends from described elevator (63) towards described monitor station (82), and the upper lateral part of horizontal-extending beam (64) is provided with the rotary actuation motor (71) of described detection executive module (7), the following side of horizontal-extending beam is rotatably provided with suspended axle (72), the upper end of described suspended axle (72) connects with described rotary actuation motor (71), the lower end of described suspended axle (72) is fixedly connected with the walking arm (73) of described detection executive module (7), horizontal screw lead (74) is rotatably mounted with in described walking arm (73), described horizontal screw lead (74) and tangential movement block (743) threaded engagement, and one end of described horizontal screw lead (74) is connected with spindle motor (632), described tangential movement block (743) is fixedly connected with detection components (745), detection components (745) is in order to contact described main shaft bearing (9) thus to detect, described elevator (63) is fixedly installed guide (631), is provided with pilot hole in described guide (631) to be slidably matched with described guide rod (81), wherein, the rotation center of described suspended axle (72) and described main shaft bearing (9) be placed on described monitor station (82) upper after center aligned with each other, oil pipe (1001) is provided with in described tangential movement block (743) top, described oil pipe (1001) is for falling " T " font, be provided with spongy layer (1002) in tangential movement block (743) both sides of described walking arm (73) inner section, described spongy layer (1002) is connected with oil pipe (1001).
2. pick-up unit as claimed in claim 1, wherein, described detection components (745) comprises the feeler lever (75) that can slide wherein, the slip of described feeler lever (75) can produce displacement electric signal, described feeler lever comprises horizontal segment (751) and vertical section (752), and the end of vertical section (752) is provided with the first relative in the horizontal direction ball-type contact (753) and the second ball-type contact (754).
3. the using method of pick-up unit as claimed in claim 2, comprising:
First main shaft bearing (9) is above located at described monitor station (82);
When needing the form accuracy detecting described inner ring (91):
A) described inner ring (91) is made to fix;
B) described detection components (745) makes its second ball-type contact (754) contact with the inner peripheral surface of described inner ring (91) by elevating movement and tangential movement;
C) make described detection components (745) rotate thus detect the form accuracy of described inner ring (91);
When needing the form accuracy detecting described outer ring (92):
A) described outer ring (92) is made to fix;
B) described detection components (745) makes its first ball-type contact (753) contact with the outer circumference surface of described outer ring (92) by elevating movement and tangential movement;
C) make described detection components (745) rotate thus detect the form accuracy of described inner ring (91);
When needing to detect the floating degree of described inner ring (91) relative to described outer ring (92):
A) make described outer ring (92) fixing and described inner ring (91) floats;
B) described detection components (745) makes its second ball-type contact (754) contact with the inner peripheral surface of described inner ring (91) by elevating movement and tangential movement, and described inner ring (91) is pressed to described outer ring (92) by the tangential movement continued;
C) make described detection components (745) rotate, thus make described inner ring (91) in different angle positions towards described outer ring (92) floating bias; Detect the relative positional accuracy of described inner ring (91) relative to described outer ring (92) thus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077584.7A CN104634308B (en) | 2015-02-13 | 2015-02-13 | Detection device and the detection method of the power industry turbine spindle bearing of self-lubricating can be carried out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077584.7A CN104634308B (en) | 2015-02-13 | 2015-02-13 | Detection device and the detection method of the power industry turbine spindle bearing of self-lubricating can be carried out |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104634308A true CN104634308A (en) | 2015-05-20 |
| CN104634308B CN104634308B (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077584.7A Expired - Fee Related CN104634308B (en) | 2015-02-13 | 2015-02-13 | Detection device and the detection method of the power industry turbine spindle bearing of self-lubricating can be carried out |
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| Country | Link |
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| CN (1) | CN104634308B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201707203U (en) * | 2010-06-29 | 2011-01-12 | 长沙理工大学 | Steam turbine sliding bearing fault diagnosis device based on acoustic emission detection |
| US20110178724A1 (en) * | 2010-01-20 | 2011-07-21 | Honeywell International Inc. | Method and system for characterizing wear damage on a rolling-element bearing |
| CN102213116A (en) * | 2011-05-06 | 2011-10-12 | 上海发电设备成套设计研究院 | Device and method for monitoring and controlling security risk of turbine bearing in on-line manner |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
| CN202420455U (en) * | 2012-01-15 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Run-out measurer for bearing outer ring |
| CN102735177A (en) * | 2011-03-29 | 2012-10-17 | 浙江大学 | Comparative measurement method-based multi-parameter vision measurement system of inner ring of bearing |
-
2015
- 2015-02-13 CN CN201510077584.7A patent/CN104634308B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110178724A1 (en) * | 2010-01-20 | 2011-07-21 | Honeywell International Inc. | Method and system for characterizing wear damage on a rolling-element bearing |
| CN201707203U (en) * | 2010-06-29 | 2011-01-12 | 长沙理工大学 | Steam turbine sliding bearing fault diagnosis device based on acoustic emission detection |
| CN102735177A (en) * | 2011-03-29 | 2012-10-17 | 浙江大学 | Comparative measurement method-based multi-parameter vision measurement system of inner ring of bearing |
| CN102213116A (en) * | 2011-05-06 | 2011-10-12 | 上海发电设备成套设计研究院 | Device and method for monitoring and controlling security risk of turbine bearing in on-line manner |
| CN202420455U (en) * | 2012-01-15 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Run-out measurer for bearing outer ring |
| CN102607846A (en) * | 2012-03-08 | 2012-07-25 | 江苏大学 | Comprehensive test stand for water-lubricated bearings for pumps |
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| Publication number | Publication date |
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| CN104634308B (en) | 2016-11-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Xiangmao Inventor before: Wu Yanghua |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161010 Address after: 266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. Applicant after: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20161010 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Anyang Chunan County of Hangzhou City, Zhejiang province 311701 Township No. 41 Sai Li Cun Applicant before: Wu Yanghua |
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| C14 | Grant of patent or utility model | ||
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Inventor after: Lv Changsi Inventor before: Gu Xiangmao |
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| CB03 | Change of inventor or designer information | ||
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Effective date of registration: 20170626 Address after: 511400, No. 40, Lo Shan Road, east ring street, Guangzhou, Guangdong, Panyu District 9, China Patentee after: GUANGZHOU TURUI MACHINERY EQUIPMENT CO.,LTD. Address before: 266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. Patentee before: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. |
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Granted publication date: 20161109 Termination date: 20200213 |
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