CN104655079B - There is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function - Google Patents
There is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function Download PDFInfo
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- CN104655079B CN104655079B CN201510077748.6A CN201510077748A CN104655079B CN 104655079 B CN104655079 B CN 104655079B CN 201510077748 A CN201510077748 A CN 201510077748A CN 104655079 B CN104655079 B CN 104655079B
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- radiating fin
- inner ring
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- outer ring
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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
- 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
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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
- 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
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- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
Abstract
There is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function, wherein, described detection device is used for detecting the inner ring (91) of main shaft bearing (9) and the form accuracy (such as cylindricity) of outer ring (92) and relative positional accuracy, including supporting seat (8), lifting bearing assembly (6) and detection executive module (7), wherein, the monitor station (82) for placing main shaft bearing (9) it is provided with and for the guiding bar (81) that described lifting bearing assembly (6) is guided on described support seat (8), described method includes first above being positioned at described monitor station (82) by main shaft bearing (9), then inner ring and the form accuracy of outer ring and relative positional accuracy are measured.
Description
Technical field
The present invention relates to the power generation turbine field of power industry, specially there is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function.
Background technology
In power-generating enterprise, steam turbine is important main equipment.In use load big and long operational time due to steam turbine, therefore require higher for the strength of parts of steam turbine and reliability etc..
During the use of steam turbine, owing to shaft strength and the quantity of motion of main shaft are accumulative relatively big, the probability of the defects such as its generation abrasion is higher.And the relative positional accuracy of main shaft bearing and form accuracy all have material impact for the overall operation stability of steam turbine and reliability.
Summary of the invention
It is an object of the invention to provide detection device and the detection method of a kind of power industry turbine spindle bearing with heat sinking function, it is possible to overcome the defect of prior art.
nullThe detection device of the power industry turbine spindle bearing with heat sinking function according to an aspect of the present invention，Form accuracy (such as cylindricity) and relative positional accuracy for the inner ring and outer ring that detect main shaft bearing，Including supporting seat、Lifting bearing assembly and detection executive module，Wherein，The monitor station for placing main shaft bearing it is provided with and for the guiding bar that described lifting bearing assembly is guided on described support seat，Described lifting bearing assembly includes the driving lifting motor being fixedly installed on described support seat，Described driving lifting motor couples with the screw rod on the vertical horizontal surface being fixedly connected on described support seat，Described screw rod and the screw threaded engagement in elevator，The upper end of described elevator is fixedly connected horizontal-extending beam，Described horizontal-extending beam extends towards described monitor station from described elevator，And the rotation driving motor of described detection executive module is installed on the upper lateral part of horizontal-extending beam，The following side of horizontal-extending beam is rotatably mounted with suspended axle，The upper end of described suspended axle couples with described rotation driving motor，The lower end of described suspended axle is fixing with the walking arm of described detection executive module to be connected，Described walking arm is rotatably mounted with horizontal screw lead，Described horizontal screw lead and horizontal movement block threaded engagement，And one end of described horizontal screw lead is connected with spindle motor，Described horizontal movement block is fixedly connected with detection components，Detection components detects in order to contact described main shaft bearing；It is fixedly installed guide on described elevator, described guide is provided with pilot hole to be slidably matched with described guiding bar；Wherein, the center after the center of rotation of described suspended axle and described main shaft bearing are placed on described monitor station is aligned with each other；
Described rotation driving motor is provided with the first radiating fin and the second radiating fin, described second radiating fin is fixing with rotation driving motor to be connected, described first radiating fin is arranged on the second radiating fin both sides, and described first radiating fin and the second radiating fin are an entirety；Described driving lifting motor is provided with the 3rd radiating fin and the 4th radiating fin, described 4th radiating fin is fixing with driving lifting motor to be connected, described 3rd radiating fin is arranged on the 4th radiating fin both sides, and described 3rd radiating fin and the 4th radiating fin are an entirety.
Wherein, described detection components includes the feeler lever that can slide wherein, the slip of described feeler lever can produce the displacement signal of telecommunication, and described feeler lever includes horizontal segment and vertical section, the end of vertical section be provided with in the horizontal direction relative to the first ball-type contact and the second ball-type contact.
According on the other hand, detect the using method of device as mentioned, including:
First main shaft bearing is positioned 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 horizontal 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 horizontal movement；
C) make described detection components rotate thus detect the form accuracy of described inner ring；
When needing to detect described inner ring relative to the floating degree of described outer ring:
A) described outer ring is fixed and described inner ring floats；
B) described detection components makes its second ball-type contact contact with the inner peripheral surface of described inner ring by elevating movement and horizontal movement, and by the horizontal movement of continuation, described inner ring is pressed to described outer ring；
C) described detection components is rotated so that described inner ring in different angle positions towards described outer ring floating bias；Thus detect the described inner ring relative positional accuracy relative to described outer ring.
By such scheme, being placed by large component-turbine spindle bearing fixed static owing to have employed, and detect the pattern that device is rotated, the center of rotation therefore detecting device can realize good alignment with the center of main shaft bearing.And using the detection executive item with double 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, it is achieved the double check of Internal and external cycle；The switching of this double check is driven by Lift Part and horizontal movement and realizes；And utilize horizontal drive motion can also implement function such as simultaneously: fix in outer ring, inner ring is when floating, and applies certain radial force to inner ring such that it is able to measure the inner ring floating degree relative to outer ring.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the detection device of the power industry turbine spindle bearing with heat sinking function of the present invention；
Fig. 2 is the schematic top plan view when measuring of the bearing in Fig. 1；
Fig. 3 is to measure inner ring relative to the schematic diagram of the floating degree of outer ring, and wherein, outer ring is the most fixing and not shown, state stacking chart when inner ring floats and shows the 90 degree of phase places in four kinds of intervals.
Detailed description of the invention
Below in conjunction with Fig. 1-3, the present invention is described in detail.
nullAccording to embodiment，A kind of detection device of the power industry turbine spindle bearing with heat sinking function，The form accuracy such as cylindricity and relative positional accuracy of inner ring 91 and outer ring 92 for detecting main shaft bearing 9，Including supporting seat 8、Lifting bearing assembly 6 and detection executive module 7，Wherein，The monitor station 82 for placing main shaft bearing 9 it is provided with and for the guiding bar 81 that described lifting bearing assembly 6 is guided on described support seat 8，Described lifting bearing assembly 6 includes the driving lifting motor 61 being fixedly installed on described support seat 8，Described driving lifting motor 61 couples with the screw rod 62 on the vertical horizontal surface being fixedly connected on described support 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 towards described monitor station 82 from described elevator 63，And the rotation driving motor 71 of described detection executive module 7 is installed on the upper lateral part of horizontal-extending beam 64，The following side of horizontal-extending beam is rotatably mounted with suspended axle 72，The upper end of described suspended axle 72 couples with described rotation driving motor 71，The lower end of described suspended axle 72 is fixing with the walking arm 73 of described detection executive module 7 to be connected，Described walking arm 73 is rotatably mounted with horizontal screw lead 74，Described horizontal screw lead 74 and horizontal movement block 743 threaded engagement，And one end of described horizontal screw lead 74 is connected with spindle motor 632，Described horizontal movement block 743 is fixedly connected with detection components 745，Detection components 745 detects in order to contact described main shaft bearing 9；It is fixedly installed guide 631 on described elevator 63, described guide 631 is provided with pilot hole to be slidably matched with described guiding bar 81；Wherein, the center after the center of rotation of described suspended axle 72 and described main shaft bearing 9 are placed on described monitor station 82 is aligned with each other；
Described rotation driving motor 71 is provided with the first radiating fin 1001 and the second radiating fin 1002, described second radiating fin 1002 is fixing with rotation driving motor 71 to be connected, described first radiating fin 1001 is arranged on the second radiating fin 1002 both sides, and described first radiating fin 1001 and the second radiating fin 1002 are an entirety；Described driving lifting motor 61 is provided with the 3rd radiating fin 1003 and the 4th radiating fin 1004, described 4th radiating fin 1004 is fixing with driving lifting motor 61 to be connected, described 3rd radiating fin 1003 is arranged on the 4th radiating fin 1004 both sides, and described 3rd radiating fin 1003 and the 4th radiating fin 1004 are an entirety.
Wherein, described detection components 745 includes the feeler lever 75 that can slide wherein, the slip of described feeler lever 75 can produce the displacement signal of telecommunication, described feeler lever includes horizontal segment 751 and vertical section 752, the end of vertical section 752 be provided with in the horizontal direction relative to the first ball-type contact 753 and the second ball-type contact 754.
Wherein, the using method of above-mentioned detection device, including:
First main shaft bearing 9 is positioned on described monitor station 82；
When needing the form accuracy detecting described inner ring 91:
A makes described inner ring 91 fix；
Described in b, 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 horizontal 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；
Described in b, 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 horizontal movement；
C makes described detection components 745 rotate thus detects the form accuracy of described inner ring 91；
When needing to detect described inner ring 91 relative to the floating degree of described outer ring 92:
A makes the fixing and described inner ring 91 in described outer ring 92 float；
Described in b, 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 horizontal movement, and by the horizontal movement of continuation, described inner ring 91 is pressed to described outer ring 92；
C makes described detection components 745 rotate so that described inner ring 91 in different angle positions towards described outer ring 92 floating bias；Thus detect the described inner ring 91 relative positional accuracy relative to described outer ring 92.
Claims (3)
- null1. the detection device of a power industry turbine spindle bearing with heat sinking function，For detecting the inner ring (91) of main shaft bearing (9) and the form accuracy of outer ring (92) and relative positional accuracy，Including supporting seat (8)、Lifting bearing assembly (6) and detection executive module (7)，Wherein，The monitor station (82) for placing main shaft bearing (9) it is provided with and for the guiding bar (81) that described lifting bearing assembly (6) is guided on described support seat (8)，Described lifting bearing assembly (6) includes driving lifting motor (61) being fixedly installed on described support seat (8)，Described driving lifting motor (61) couples with the screw rod (62) on the vertical horizontal surface being fixedly connected on described support 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 towards described monitor station (82) from described elevator (63)，And rotation driving motor (71) of described detection executive module (7) is installed on the upper lateral part of horizontal-extending beam (64)，The following side of horizontal-extending beam is rotatably mounted with suspended axle (72)，The upper end of described suspended axle (72) couples with described rotation driving motor (71)，The lower end of described suspended axle (72) is fixing with the walking arm (73) of described detection executive module (7) to be connected，Described walking arm (73) is rotatably mounted with horizontal screw lead (74)，Described horizontal screw lead (74) and horizontal movement block (743) threaded engagement，And one end of described horizontal screw lead (74) is connected with spindle motor (632)，Described horizontal movement block (743) is fixedly connected with detection components (745)，Detection components (745) detects in order to contact described main shaft bearing (9)；It is fixedly installed guide (631) on described elevator (63), described guide (631) is provided with pilot hole to be slidably matched with described guiding bar (81)；Wherein, the center of rotation 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；Described rotation driving motor (71) is provided with the first radiating fin (1001) and the second radiating fin (1002), described second radiating fin (1002) is fixing with rotation driving motor (71) to be connected, described first radiating fin (1001) is arranged on the second radiating fin (1002) both sides, and described first radiating fin (1001) and the second radiating fin (1002) are an entirety；Described driving lifting motor (61) is provided with the 3rd radiating fin (1003) and the 4th radiating fin (1004), described 4th radiating fin (1004) is fixing with driving lifting motor (61) to be connected, described 3rd radiating fin (1003) is arranged on the 4th radiating fin (1004) both sides, and described 3rd radiating fin (1003) and the 4th radiating fin (1004) are an entirety.
- Detect device the most as claimed in claim 1, wherein, described detection components (745) includes the feeler lever (75) that can slide wherein, the slip of described feeler lever (75) can produce the displacement signal of telecommunication, described feeler lever includes horizontal segment (751) and vertical section (752), the end of vertical section (752) be provided with in the horizontal direction relative to the first ball-type contact (753) and the second ball-type contact (754).
- 3. the detection device using claim 2 carries out the method detected, including:First by main shaft bearing (9) in the upper location of 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 horizontal 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 horizontal movement；C) make described detection components (745) rotate thus detect the form accuracy of described inner ring (91)；When needing to detect described inner ring (91) relative to the floating degree of described outer ring (92):A) make described outer ring (92) fix and described inner ring (91) is floated；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 horizontal movement, and by the horizontal movement of continuation, described inner ring (91) is pressed to described outer ring (92)；C) make described detection components (745) rotate so that described inner ring (91) in different angle positions towards described outer ring (92) floating bias；Thus detect the described inner ring (91) relative positional accuracy relative to described outer ring (92).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077748.6A CN104655079B (en) | 2015-02-13 | 2015-02-13 | There is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077748.6A CN104655079B (en) | 2015-02-13 | 2015-02-13 | There is detection device and the detection method of the power industry turbine spindle bearing of heat sinking function |
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| Publication Number | Publication Date |
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| CN104655079A CN104655079A (en) | 2015-05-27 |
| CN104655079B true CN104655079B (en) | 2016-08-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634553A (en) * | 2008-07-24 | 2010-01-27 | 上海电气电站设备有限公司 | Process bearing block for flapping test of steam turbine rotor shaft |
| 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 |
| CN103603694A (en) * | 2013-12-04 | 2014-02-26 | 上海金通灵动力科技有限公司 | Structure used for lowering work temperature of steam turbine main shaft bearing portion |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003121289A (en) * | 2001-10-16 | 2003-04-23 | Honda Motor Co Ltd | Elastic deformation amount measurement device of rod- like member, correction device and correction method |
| JP4452053B2 (en) * | 2003-10-01 | 2010-04-21 | 三菱重工業株式会社 | Axis deviation measuring device |
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2015
- 2015-02-13 CN CN201510077748.6A patent/CN104655079B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634553A (en) * | 2008-07-24 | 2010-01-27 | 上海电气电站设备有限公司 | Process bearing block for flapping test of steam turbine rotor shaft |
| 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 |
| CN103603694A (en) * | 2013-12-04 | 2014-02-26 | 上海金通灵动力科技有限公司 | Structure used for lowering work temperature of steam turbine main shaft bearing portion |
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| CN104655079A (en) | 2015-05-27 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Zhang Shangchun Inventor after: Liu Chujiang Inventor after: Li Yuyun Inventor before: Fang Liusheng |
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Effective date of registration: 20160727 Address after: 510000, 307, 4 rooms, 2 Research Road, hi tech Industrial Development Zone, Guangdong, Guangzhou Applicant after: Guangdong Lianxing Construction Co., Ltd. Address before: 311716, Sichuan Province, Chunan County, Zhejiang City villa town 5 after the village of Hangzhou Applicant before: Fang Liusheng |
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