CN104613862B - The detection device and detection method of moveable power industry turbine spindle bearing - Google Patents

The detection device and detection method of moveable power industry turbine spindle bearing Download PDF

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Publication number
CN104613862B
CN104613862B CN201510077556.5A CN201510077556A CN104613862B CN 104613862 B CN104613862 B CN 104613862B CN 201510077556 A CN201510077556 A CN 201510077556A CN 104613862 B CN104613862 B CN 104613862B
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inner ring
horizontal
outer ring
detection
detection components
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CN104613862A (en
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赵同斌
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Yiyuan Huayang Enegy Equipment Co., Ltd.
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Yiyuan Huayang Energy Equipment Co ltd
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Abstract

The detection device and detection method of moveable power industry turbine spindle bearing, wherein, the detection device is used to detect main shaft bearing(9)Inner ring(91)And outer ring(92)Form accuracy(Such as cylindricity)And relative positional accuracy, including support base(8), lifting bearing assembly(6)And detection executive module(7), wherein, the support base(8)On be provided with for placing main shaft bearing(9)Monitor station(82)With for the lifting bearing assembly(6)The guiding bar of guiding(81), the described method includes first by main shaft bearing(9)In the monitor station(82)Upper positioning, then measures inner ring and the form accuracy and relative positional accuracy of outer ring.

Description

The detection device and detection method of moveable power industry turbine spindle bearing
Technical field
The present invention relates to the power generation turbine field of power industry, is specially moveable power industry turbine spindle The detection device and detection method of bearing.
Background technology
In power-generating enterprise, steam turbine is important large scale equipment.Since steam turbine loads greatly in use And long operational time, therefore strength of parts for steam turbine and reliability etc. are more demanding.
During the use of steam turbine, since the shaft strength and amount of exercise of main shaft add up larger, it wears The defects of possibility it is higher.And operation of the relative positional accuracy and form accuracy of main shaft bearing for steam turbine entirety is steady Qualitative and reliability all has material impact.
The content of the invention
Detection device and detection the object of the present invention is to provide a kind of moveable power industry turbine spindle bearing Method, the defects of prior art can be overcome.
The detection device of moveable power industry turbine spindle bearing according to an aspect of the present invention, for examining Survey the inner ring of main shaft bearing and the form accuracy of outer ring(Such as cylindricity)And relative positional accuracy, including support base, lifting branch Bearing assembly and detection executive module, wherein, the monitor station for placing main shaft bearing is provided with the support base and is used for The guiding bar being oriented to the lifting bearing assembly, the lifting bearing assembly include the drive being fixedly installed on the support base Dynamic lifting motor, the driving lifting are joined with motor with the vertical screw rod being fixedly connected on the horizontal surface of the support base Connect, for the screw rod with lifting screw hole thread fitting in the block, the upper end of the elevator is fixedly connected horizontal-extending beam, described Horizontal-extending beam extends from the elevator towards the monitor station, and the detection is provided with the upper lateral part of horizontal-extending beam The rotation driving motor of executive module, the following side of horizontal-extending beam are rotatably mounted with suspended axle, the suspended axle Upper end couples with the rotation driving motor, and the walking arm of the lower end of the suspended axle and the detection executive module, which is fixed, to be connected Connect, horizontal screw lead, the horizontal screw lead and horizontal movement block thread fitting are rotatably mounted with the walking arm, and it is described One end of horizontal screw lead is connected with spindle motor, and the horizontal movement block is fixedly connected with detection components, and detection components are connecing The main shaft bearing is touched so as to be detected;Guide part is fixedly installed on the elevator, is provided with and leads in the guide part It is slidably matched to guiding bar described in Kong Yiyu;Wherein, the pivot of the suspended axle and the main shaft bearing are placed Center after on the monitor station is aligned with each other;Two side bottom of support base is respectively equipped with the first roller and the second roller, First roller is formed with second roller by base, supporting rod and roller, and first roller is universal wheel, described Second roller is driven wheel.
Wherein, the detection components include the feeler lever that can be slided wherein, and the slip of the feeler lever can produce displacement electricity Signal, the feeler lever include horizontal segment and vertical section, and the end of vertical section is provided with the first opposite in the horizontal direction rolling Bead contact and the second ball-type contact.
According on the other hand, the application method of detection device as mentioned, including:
Main shaft bearing is positioned on the monitor station first;
When needing to detect the form accuracy of the inner ring:
a)So that the inner ring is fixed;
b)The detection components make its second ball-type contact and the inner ring by elevating movement and horizontal movement Inner peripheral surface contact;
c)So that the detection components rotation is so as to detect the form accuracy of the inner ring;
When needing to detect the form accuracy of the outer ring:
a)So that the outer ring is fixed;
b)The detection components make its first ball-type contact and the outer ring by elevating movement and horizontal movement Outer circumference surface contact;
c)So that the detection components rotation is so as to detect the form accuracy of the inner ring;
When need to detect the inner ring relative to the outer ring floating degree when:
a)So that the outer ring is fixed and the inner ring floats;
b)The detection components make its second ball-type contact and the inner ring by elevating movement and horizontal movement Inner peripheral surface contact, and the inner ring is pressed to by the outer ring by the horizontal movement of continuation;
c)So that the detection components rotation, so that the inner ring is floated in different angle positions towards the outer ring Dynamic biasing;Thus relative positional accuracy of the inner ring relative to the outer ring is detected.
Through the above scheme, placed as a result of by large component-turbine spindle bearing fixed static, and detect dress The pattern being rotated is put, therefore the pivot of detection device can realize good alignment with the center of main shaft bearing. And the detection executive item with double contact heads is used, it can detect inner ring, the contact of opposite side using the contact head of side Head can detect outer ring, realize the double check of Internal and external cycle;The switching of this double check is by lifting part and level Movement driving is realized;And being moved using horizontal drive can also implement function such as at the same time:Fixed in outer ring, inner ring floats Under situation, apply certain radial load to inner ring, so as to measure floating degree of the inner ring relative to outer ring.
Brief description of the drawings
Fig. 1 is the overall structure signal of the detection device of the moveable power industry turbine spindle bearing of the present invention Figure;
Fig. 2 is schematic top plan view of the bearing in measurement in Fig. 1;
Fig. 3 is the schematic diagram relative to the floating degree of outer ring in measurement inner ring, wherein, outer ring is fixed at this time and does not show Go out, inner ring float and show four kinds interval 90 degree of phases when state stacking chart.
Embodiment
With reference to Fig. 1-3, the present invention is described in detail.
According to embodiment, a kind of detection device of moveable power industry turbine spindle bearing, for detecting main shaft The inner ring 91 of bearing 9 and the form accuracy such as cylindricity and relative positional accuracy of outer ring 92, including support base 8, lifting supporting Component 6 and detection executive module 7, wherein, 82 He of monitor station for placing main shaft bearing 9 is provided with the support base 8 For the guiding bar 81 being oriented to the lifting bearing assembly 6, the lifting bearing assembly 6 includes being fixedly installed in the support Driving lifting motor 61 on seat 8, it is described to drive lifting with motor 61 and the vertical level for being fixedly connected on the support base 8 Screw rod 62 on surface couples, and the screw rod 62 and the screw hole thread fitting in elevator 63, the upper end of the elevator 63 is consolidated Surely horizontal-extending beam 64 is linked with, the horizontal-extending beam 64 extends from the elevator 63 towards the monitor station 82, and water The rotation driving motor 71 of the detection executive module 7 is installed, under horizontal-extending beam on the upper lateral part of flat extending beam 64 Sidepiece is rotatably mounted with suspended axle 72, and the upper end of the suspended axle 72 couples with the rotation driving motor 71, described The lower end of suspended axle 72 is fixedly connected with the walking arm 73 of the detection executive module 7, is rotationally pacified in the walking arm 73 Equipped with horizontal screw lead 74, the horizontal screw lead 74 and 743 thread fitting of horizontal movement block, and one end of the horizontal screw lead 74 with Spindle motor 632 connects, and the horizontal movement block 743 is fixedly connected with detection components 745, and detection components 745 are to contact Main shaft bearing 9 is stated so as to be detected;Guide part 631 is fixedly installed on the elevator 63, is set in the guide part 631 There is pilot hole to be slidably matched with the guiding bar 81;Wherein, the pivot of the suspended axle 72 and the main shaft Center after bearing 9 is placed on the monitor station 82 is aligned with each other;Described 8 liang of side bottoms of support base are respectively equipped with the first roller 1001 and second roller 1002, first roller 1001 is with second roller 1002 by base 1003, supporting rod 1004 Formed with roller 1005, first roller 1001 is universal wheel, and second roller 1002 is driven wheel.
Wherein, the detection components 745 include the feeler lever 75 that can be slided wherein, and the slip of the feeler lever 75 can produce Displacement electric signal, the feeler lever include horizontal segment 751 and vertical section 752, and the end of vertical section 752 is provided with the horizontal direction Upper opposite the first ball-type contact 753 and the second ball-type contact 754.
Wherein, the application method of above-mentioned detection device, including:
Main shaft bearing 9 is positioned on the monitor station 82 first;
When needing to detect the form accuracy of the inner ring 91:
A causes the inner ring 91 to fix;
Detection components 745 described in b by elevating movement and horizontal movement and make its second ball-type contact 754 with it is described The inner peripheral surface contact of inner ring 91;
C causes the rotation of detection components 745 to detect the form accuracy of the inner ring 91;
When needing to detect the form accuracy of the outer ring 92:
A causes the outer ring 92 to fix;
Detection components 745 described in b by elevating movement and horizontal movement and make its first ball-type contact 753 with it is described The outer circumference surface contact of outer ring 92;
C causes the rotation of detection components 745 to detect the form accuracy of the inner ring 91;
When need to detect the inner ring 91 relative to the outer ring 92 floating degree when:
A make it that the outer ring 92 is fixed and the inner ring 91 floats;
Detection components 745 described in b by elevating movement and horizontal movement and make its second ball-type contact 754 with it is described The inner peripheral surface contact of inner ring 91, and the inner ring 91 is pressed to by the outer ring 92 by the horizontal movement of continuation;
C causes the detection components 745 to rotate so that the inner ring 91 in different angle positions towards described outer Enclose 92 floating bias;Thus relative positional accuracy of the inner ring 91 relative to the outer ring 92 is detected.

Claims (1)

  1. A kind of 1. application method of the detection device of moveable power industry turbine spindle bearing, for detecting main shaft bearing (9)Inner ring(91)And outer ring(92)Form accuracy and relative positional accuracy, which includes support base(8), rise Descending branch bearing assembly(6)And detection executive module(7), wherein, the support base(8)On be provided with for placing main shaft bearing (9)Monitor station(82)With for the lifting bearing assembly(6)The guiding bar of guiding(81), the lifting bearing assembly (6)Including being fixedly installed in the support base(8)On driving lifting motor(61), the driving lifting motor(61)With Vertically it is fixedly connected on the support base(8)Horizontal surface on screw rod(62)Connection, the screw rod(62)With elevator (63)In screw hole thread fitting, the elevator(63)Upper end fixedly connected have horizontal-extending beam(64), the level prolongs Beam(64)From the elevator(63)Towards the monitor station(82)Extension, and horizontal-extending beam(64)Upper lateral part on install There is the detection executive module(7)Rotation driving motor(71), the following side of horizontal-extending beam is rotatably mounted with outstanding Hanging scroll(72), the suspended axle(72)Upper end and the rotation driving motor(71)Connection, the suspended axle(72)Under End and the detection executive module(7)Walking arm(73)It is fixedly connected, the walking arm(73)In be rotatably mounted with water Flat leading screw(74), the horizontal screw lead(74)With horizontal movement block(743)Thread fitting, and the horizontal screw lead(74)One end With spindle motor(632)Connection, the horizontal movement block(743)It is fixedly connected with detection components(745), detection components(745) To contact the main shaft bearing(9)So as to be detected;The elevator(63)On be fixedly installed guide part(631), institute State guide part(631)In be provided with pilot hole with the guiding bar(81)It is slidably matched;Wherein, the suspended axle(72) Pivot and the main shaft bearing(9)It is placed on the monitor station(82)Center after upper is aligned with each other;The support Seat(8)Two side bottoms are respectively equipped with the first roller(1001)With the second roller(1002), first roller(1001)With it is described Second roller(1002)By base(1003), supporting rod(1004)And roller(1005)Form, first roller(1001) For universal wheel, second roller(1002)For driven wheel;Wherein, the detection components(745)Including what can be slided wherein Feeler lever(75), the feeler lever(75)Slip can produce displacement electric signal, the feeler lever includes horizontal segment(751)It is and vertical Section(752), vertical section(752)End be provided with the first opposite in the horizontal direction ball-type contact(753)With the second rolling Bead contact(754);
    The application method is:
    First by main shaft bearing(9)In the monitor station(82)Upper positioning;
    When needing to detect the inner ring(91)Form accuracy when:
    a)So that the inner ring(91)It is fixed;
    b)The detection components(745)Its second ball-type contact is made by elevating movement and horizontal movement(754)With institute State inner ring(91)Inner peripheral surface contact;
    c)So that the detection components(745)Rotation is so as to detect the inner ring(91)Form accuracy;
    When needing to detect the outer ring(92)Form accuracy when:
    a)So that the outer ring(92)It is fixed;
    b)The detection components(745)Its first ball-type contact is made by elevating movement and horizontal movement(753)With institute State outer ring(92)Outer circumference surface contact;
    c)So that the detection components(745)Rotation is so as to detect the inner ring(91)Form accuracy;
    When needing to detect the inner ring(91)Relative to the outer ring(92)Floating degree when:
    a)So that the outer ring(92)Fixed and described inner ring(91)Float;
    b)The detection components(745)Its second ball-type contact is made by elevating movement and horizontal movement(754)With institute State inner ring(91)Inner peripheral surface contact, and by the horizontal movement of continuation by the inner ring(91)Press to the outer ring (92);
    c)So that the detection components(745)Rotation, so that the inner ring(91)In different angle positions described in Outer ring(92)Floating bias;Thus the inner ring is detected(91)Relative to the outer ring(92)Relative positional accuracy.
CN201510077556.5A 2015-02-13 2015-02-13 The detection device and detection method of moveable power industry turbine spindle bearing Active CN104613862B (en)

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Application Number Priority Date Filing Date Title
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CN104613862B true CN104613862B (en) 2018-04-24

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Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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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Inventor after: Zhao Tongbin

Inventor before: Wang Xiaoyao

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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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