CN104677253A - Detection device with radiation and anti-vibration functions for main shaft bearing of steam turbine in power industry, and detection method - Google Patents
Detection device with radiation and anti-vibration functions for main shaft bearing of steam turbine in power industry, and detection method Download PDFInfo
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- CN104677253A CN104677253A CN201510077549.5A CN201510077549A CN104677253A CN 104677253 A CN104677253 A CN 104677253A CN 201510077549 A CN201510077549 A CN 201510077549A CN 104677253 A CN104677253 A CN 104677253A
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- radiating fin
- inner ring
- horizontal
- main shaft
- outer ring
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Abstract
The invention discloses a detection device with radiation and anti-vibration functions for a main shaft bearing of a steam turbine in the power industry, and a detection method. The detection device is used for detecting the shape accuracy (such as cylindricity) and relative position accuracy of an inner circle (91) and an outer circle (92) of the main shaft bearing (9), and comprises a support seat (8), a lifting supporting component (6) and a detection execution component (7), wherein a detection platform (82) for placing the main shaft bearing (9) and a guide rod (81) for guiding the lifting supporting component (6) are arranged on the support seat (8). The method comprises the following steps: positioning the main shaft bearing (9) on the detection platform (82), and measuring the shape accuracy and relative position accuracy of the inner circle and the outer circle.
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 with heat radiation and shockproof function.
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 larger, 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 with the power industry turbine spindle bearing of heat radiation and shockproof function, the defect of prior art can be overcome.
The pick-up unit with the power industry turbine spindle bearing of heat radiation and shockproof function 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, described rotary actuation motor is provided with the first radiating fin and the second radiating fin, and described second radiating fin is fixedly connected with rotary actuation motor, and described first radiating fin is arranged on the second radiating fin both sides, described driving lifting motor is provided with the 3rd radiating fin and the 4th radiating fin, described 4th radiating fin is fixedly connected with driving lifting motor, described 3rd radiating fin is arranged on the 4th radiating fin both sides, and described 3rd radiating fin and the 4th radiating fin are arranged on the driving lifting motor surface of exposing supporting seat, the first crash roll is provided with between described rotary actuation motor and horizontal-extending beam, the second crash roll is provided with between described supporting seat and described driving lifting motor, described second crash roll is groove type, and described driving lifting motor is arranged in the groove of described second crash roll.
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 with the pick-up unit of the power industry turbine spindle bearing of heat radiation and shockproof function 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 with the power industry turbine spindle bearing of heat radiation and shockproof function, 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, described rotary actuation motor 71 is provided with the first radiating fin 1002 and the second radiating fin 1003, and described second radiating fin 1003 is fixedly connected with rotary actuation motor 71, and described first radiating fin 1002 is arranged on the second radiating fin 1003 both sides, described driving lifting motor 61 is provided with the 3rd radiating fin 1004 and the 4th radiating fin 1005, described 4th radiating fin 1005 is fixedly connected with driving lifting motor 61, described 3rd radiating fin 1004 is arranged on the 4th radiating fin 1005 both sides, and described 3rd radiating fin 1004 and the 4th radiating fin 1005 are arranged on driving lifting motor 61 surface of exposing supporting seat 8, the first crash roll 1001 is provided with between described rotary actuation motor 71 and horizontal-extending beam 64, the second crash roll 1006 is provided with between described supporting seat 8 and described driving lifting motor 61, described second crash roll 1006 is groove type, and described driving lifting motor 61 is arranged in the groove of described second crash roll 1006.
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 has the pick-up unit of the power industry turbine spindle bearing of heat radiation and shockproof function, 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, described rotary actuation motor (71) is provided with the first radiating fin (1002) and the second radiating fin (1003), described second radiating fin (1003) is fixedly connected with rotary actuation motor (71), and described first radiating fin (1002) is arranged on the second radiating fin (1003) both sides, described driving lifting motor (61) is provided with the 3rd radiating fin (1004) and the 4th radiating fin (1005), described 4th radiating fin (1005) is fixedly connected with driving lifting motor (61), described 3rd radiating fin (1004) is arranged on the 4th radiating fin (1005) both sides, and described 3rd radiating fin (1004) and the 4th radiating fin (1005) are arranged on driving lifting motor (61) surface of exposing supporting seat (8), the first crash roll (1001) is provided with between described rotary actuation motor (71) and horizontal-extending beam (64), the second crash roll (1006) is provided with between described supporting seat (8) and described driving lifting motor (61), described second crash roll (1006) is groove type, and described driving lifting motor (61) is arranged in the groove of described second crash roll (1006).
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 |
|---|---|---|---|
| CN201510077549.5A CN104677253A (en) | 2015-02-13 | 2015-02-13 | Detection device with radiation and anti-vibration functions for main shaft bearing of steam turbine in power industry, and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077549.5A CN104677253A (en) | 2015-02-13 | 2015-02-13 | Detection device with radiation and anti-vibration functions for main shaft bearing of steam turbine in power industry, and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104677253A true CN104677253A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077549.5A Pending CN104677253A (en) | 2015-02-13 | 2015-02-13 | Detection device with radiation and anti-vibration functions for main shaft bearing of steam turbine in power industry, and detection method |
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| Country | Link |
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| CN (1) | CN104677253A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039491A (en) * | 2019-03-29 | 2019-07-23 | 马鞍山华东回转支承有限公司 | A kind of pivoting support automatic measurement assembly bench |
| CN110168870A (en) * | 2016-12-05 | 2019-08-23 | Zf 腓德烈斯哈芬股份公司 | The electric motor of driving unit for power train testboard |
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| US3800423A (en) * | 1970-02-26 | 1974-04-02 | Goulder J & Sons Ltd | Method and apparatus for measuring pitch or indexing errors in toothed members |
| EP2253928A1 (en) * | 2009-05-22 | 2010-11-24 | Mitutoyo Corporation | Roundness measuring apparatus |
| CN102150348A (en) * | 2008-09-11 | 2011-08-10 | 三菱电机株式会社 | Hoist for elevator |
| CN102749041A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | Propeller type surface contour error measurement instrument and method |
| CN103105119A (en) * | 2013-01-23 | 2013-05-15 | 无锡创明传动工程有限公司 | Portable coaxiality gauge |
| 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 |
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2015
- 2015-02-13 CN CN201510077549.5A patent/CN104677253A/en active Pending
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 |
| CN102150348A (en) * | 2008-09-11 | 2011-08-10 | 三菱电机株式会社 | Hoist for elevator |
| EP2253928A1 (en) * | 2009-05-22 | 2010-11-24 | Mitutoyo Corporation | Roundness measuring apparatus |
| CN102749041A (en) * | 2012-07-13 | 2012-10-24 | 合肥工业大学 | Propeller type surface contour error measurement instrument and method |
| CN103105119A (en) * | 2013-01-23 | 2013-05-15 | 无锡创明传动工程有限公司 | Portable coaxiality gauge |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110168870A (en) * | 2016-12-05 | 2019-08-23 | Zf 腓德烈斯哈芬股份公司 | The electric motor of driving unit for power train testboard |
| CN110168870B (en) * | 2016-12-05 | 2022-02-18 | Zf 腓德烈斯哈芬股份公司 | Electric motor for a drive unit of a drive train test stand |
| CN110039491A (en) * | 2019-03-29 | 2019-07-23 | 马鞍山华东回转支承有限公司 | A kind of pivoting support automatic measurement assembly bench |
| CN110039491B (en) * | 2019-03-29 | 2024-04-02 | 马鞍山瑞泰金属材料有限公司 | Automatic measurement assembly table for slewing bearing |
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Application publication date: 20150603 |