CN104613862A - Movable detection device and method of power-sector turbine main shaft bearing - Google Patents
Movable detection device and method of power-sector turbine main shaft bearing Download PDFInfo
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- CN104613862A CN104613862A CN201510077556.5A CN201510077556A CN104613862A CN 104613862 A CN104613862 A CN 104613862A CN 201510077556 A CN201510077556 A CN 201510077556A CN 104613862 A CN104613862 A CN 104613862A
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- inner ring
- outer ring
- main shaft
- horizontal
- detection components
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Abstract
The invention provides a movable detection device and method of a power-sector turbine main shaft bearing. The detection device is used for detecting the shape accuracy (such as cylindricity) and the relative position accuracy of an inner ring (91) and outer ring (92) of a main shaft bearing (9) and comprises a support seat (8), a lifting supporting component (6) and a detection execution component (7). The supporting seat (8) is provided with a detection platform (82) which is used of containing the main shaft bearing (9) and a guide rod (81) which is used for guiding the lifting supporting component (6). The detection method includes: locating the main shaft bearing (9) on the detection platform (82) firstly, and measuring the shape accuracy and the relative position accuracy 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 moveable power industry turbine spindle bearing.
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 detection method of moveable power industry turbine spindle bearing, the defect of prior art can be overcome.
The pick-up unit of moveable power industry turbine spindle bearing 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 respectively equipped with the first roller and the second roller bottom described supporting seat both sides, described first roller and described second roller are formed by base, support bar and roller, and described first roller is universal wheel, and described second roller is engaged wheel.
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 of the pick-up unit of moveable power industry turbine spindle bearing 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 of moveable power industry turbine spindle bearing, 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, the first roller 1001 and the second roller 1002 is respectively equipped with bottom described supporting seat 8 both sides, described first roller 1001 is formed by base 1003, support bar 1004 and roller 1005 with described second roller 1002, described first roller 1001 is universal wheel, and described second roller 1002 is engaged wheel.
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. the pick-up unit of a moveable power industry turbine spindle bearing, 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, the first roller (1001) and the second roller (1002) is respectively equipped with bottom described supporting seat (8) both sides, described first roller (1001) and described second roller (1002) are formed by base (1003), support bar (1004) and roller (1005), described first roller (1001) is universal wheel, and described second roller (1002) is engaged wheel.
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 |
|---|---|---|---|
| CN201510077556.5A CN104613862B (en) | 2015-02-13 | 2015-02-13 | The detection device and detection method of moveable power industry turbine spindle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077556.5A CN104613862B (en) | 2015-02-13 | 2015-02-13 | The detection device and detection method of moveable power industry turbine spindle bearing |
Publications (2)
| Publication Number | Publication Date |
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| CN104613862A true CN104613862A (en) | 2015-05-13 |
| CN104613862B CN104613862B (en) | 2018-04-24 |
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| CN201510077556.5A Active CN104613862B (en) | 2015-02-13 | 2015-02-13 | The detection device and detection method of moveable power industry turbine spindle bearing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800423A (en) * | 1970-02-26 | 1974-04-02 | Goulder J & Sons Ltd | Method and apparatus for measuring pitch or indexing errors in toothed members |
| JPS61111410A (en) * | 1984-11-06 | 1986-05-29 | Komatsu Ltd | Automatic shape tolerance measuring method and its measuring instrument |
| CN102749041A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | Propeller type surface contour error measurement instrument and method |
| CN103256909A (en) * | 2013-02-28 | 2013-08-21 | 华北水利水电学院 | Roundness measurement device for turbine runner examination and repair |
| CN203908527U (en) * | 2014-06-06 | 2014-10-29 | 长春工业大学 | Radial-direction composition error detection apparatus for revolving axle |
| CN104180763A (en) * | 2013-05-24 | 2014-12-03 | 南开大学 | Non-contact measurement apparatus of inner and outer diameters of large-diameter circular ring type component |
-
2015
- 2015-02-13 CN CN201510077556.5A patent/CN104613862B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800423A (en) * | 1970-02-26 | 1974-04-02 | Goulder J & Sons Ltd | Method and apparatus for measuring pitch or indexing errors in toothed members |
| JPS61111410A (en) * | 1984-11-06 | 1986-05-29 | Komatsu Ltd | Automatic shape tolerance measuring method and its measuring instrument |
| CN102749041A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | Propeller type surface contour error measurement instrument and method |
| CN103256909A (en) * | 2013-02-28 | 2013-08-21 | 华北水利水电学院 | Roundness measurement device for turbine runner examination and repair |
| CN104180763A (en) * | 2013-05-24 | 2014-12-03 | 南开大学 | Non-contact measurement apparatus of inner and outer diameters of large-diameter circular ring type component |
| CN203908527U (en) * | 2014-06-06 | 2014-10-29 | 长春工业大学 | Radial-direction composition error detection apparatus for revolving axle |
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| Publication number | Publication date |
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| CN104613862B (en) | 2018-04-24 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Tongbin Inventor before: Wang Xiaoyao |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180319 Address after: 256100 yuyzhuang Industrial Park, Yiyuan County, Zibo, Shandong Applicant after: Yiyuan Huayang Enegy Equipment Co., Ltd. Address before: 322105 Jinhua City, Dongyang Province town of Song Village, 1-162 Village No. Applicant before: Wang Xiaoyao |
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| GR01 | Patent grant |