CN208443355U - A kind of modularization dial framework for the measurement of rotor of turbogenerator set center - Google Patents
A kind of modularization dial framework for the measurement of rotor of turbogenerator set center Download PDFInfo
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- CN208443355U CN208443355U CN201820631507.0U CN201820631507U CN208443355U CN 208443355 U CN208443355 U CN 208443355U CN 201820631507 U CN201820631507 U CN 201820631507U CN 208443355 U CN208443355 U CN 208443355U
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- dial
- tightening piece
- dial framework
- modularization
- rotor
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Abstract
The utility model discloses a kind of modularization dial frameworks for the measurement of rotor of turbogenerator set center, and it is a kind of time saving and energy saving to provide, and modularization is used for the dial framework of turbine rotor alignment, and dial framework is answered easily operated, it is desirable that modular member is used, it is easy to repair;Shorten 50% or more when check man.The utility model adopts the following technical solution.A kind of modularization dial framework for the measurement of rotor of turbogenerator set center, it include: branch dial framework, connecting screw, tightening piece, one end of connecting screw is provided with the cone for cooperating with tightening piece, tightening piece is to be snapped together by least two parts, and the inside conical surface cooperated with conical surface is had inside tightening piece;On connecting screw, the outer end for being equipped with tightening piece is equipped with adjusting nut, the other end of connecting screw is equipped with the adjustable branch dial framework in upper and lower position, and the dial gauge mounting hole of vertical direction, the dial gauge mounting hole of horizontal direction are had above branch dial framework, is provided with clamp device on the outside of dial gauge mounting hole.
Description
Technical field
The utility model relates to a kind of tools for turbine rotor Spot detection.
Background technique
When steam turbine operation, due to the abrasion of radial journal bearing tungsten gold, the displacement of cylinder and bearing block, the corrosion of bearing parallels
Etc. the reason of, the center of Turbo-generator Set will change.If center variation is excessive, very big harm can be generated,
Such as make unit vibration is exceeded, touched between sound component rub, bearing temperature increases, so having in maintenance to steamer
Unit centre is readjusted.This is an important and elaboration.With the increase of unit capacity, gradually towards three
Two fulcrum of axis, uniaxial single fulcrum trend development, alignment work is increasingly complex, so to take seriously.
The purpose of alignment has the following: the center line of each rotor of Turbo-generator Set (1) being made to be linked to be a continuous and derivable
Curve, the distribution of each bearing load meets design requirement.(2) the stationary parts of steam turbine is made to keep concentric substantially with rotor part.
(3) the degree of raising of shafting is adjusted to design requirement.
Existing first generation turbine rotor centering table frame, serves primarily in 330MW, as large-sized unit is gone into operation, exists
Defect and problem start to show.The dial framework that current each power plant's rotor alignment uses belongs to greatly homemade specific purpose tool,
Quality and practicability level are irregular.Wherein 330WM unit dial framework first generation dial framework be simple dial framework, not only make it is coarse,
There are many defects for design aspect, and dial framework corrosion even parts damages are caused during prolonged use.In reality
In use process, it often will appear the problems such as measurement data deviation is not big, easy to operate.Working, it is time-consuming and laborious to use, not only
Maintenance duration is influenced, while also not can guarantee repair quality.
In order to meet power plant ultra supercritical 660MW units' installation and maintenance requirement, maintenance craft economy is realized and can
By property.This just need to develop again it is a design rationally, modularization, while it is easy to repair and assembling, shorten working hour steam turbine
Rotor centering table frame.
Summary of the invention
A kind of time saving and energy saving in order to provide, modularization is used for the dial framework of turbine rotor alignment, referring concurrently to original table
Frame improves unreasonable place, so that modularization dial framework reaches following setting target: 1. dial frameworks are answered easily operated, it is desirable that
It is easy to repair using modular member;2. shortening 50% or more when check man.The utility model adopts the following technical solution.
A kind of modularization dial framework for the measurement of rotor of turbogenerator set center, comprising: branch dial framework, rises at connecting screw
Tight block, one end of connecting screw are provided with the cone for cooperating with tightening piece, and tightening piece is fastened on by least two parts
Together, and the inside conical surface cooperated with conical surface is had inside tightening piece;On connecting screw, the outer end of tightening piece is installed
Adjusting nut is installed, the other end of connecting screw is equipped with the adjustable branch dial framework in upper and lower position, and it is vertical to have above branch dial framework
The dial gauge mounting hole of the dial gauge mounting hole in direction, horizontal direction is provided with clamp device on the outside of dial gauge mounting hole.
According to the modularization dial framework for the measurement of rotor of turbogenerator set center, the tightening piece is by two
The identical tightening piece of shape snaps together, and tightening piece outer profile is cylinder, and tightening piece outer circumferential band has for mounting O-shaped rings
Aprons slot, the outer end of tightening piece has boss.
According to the modularization dial framework for the measurement of rotor of turbogenerator set center, tightening piece excircle is provided with two
A aprons slot.
According to the modularization dial framework for the measurement of rotor of turbogenerator set center, the branch dial framework is L shape, is erected
Allotment dash board adjusts long hole and is fastened by the adjusting nut of the left and right sides with long hole is adjusted.
According to the modularization dial framework for the measurement of rotor of turbogenerator set center, vertical branch dash board upper end is with extremely
Few two dial gauge mounting holes, horizontal branch dash board have at least two dial gauge mounting holes.
According to the modularization dial framework for the measurement of rotor of turbogenerator set center, the clamp device is percentage
The mounting hole of fastening bolt on the outside of table mounting hole, fastening bolt is communicated with dial gauge mounting hole.
Technical solutions of the utility model have the following characteristics that
The general dial framework of rotor center measurement moduleization newly developed is debugged and is applied in 330MW and 660WM respectively, from
Only there are three parts, i.e. branch dial framework, connecting screw and tightening piece for part processed.Auxiliary accessory is made of three classes standardization components,
That is M20 binding nut 3,4 and O-ring 2 compositions of M6 puller bolt.Dial framework structure is simple, easy to operate, for ease of maintenaince.
In summary, the modular design requirement that dial framework realizes.
Old dial framework measurement rotor center generally requires repeatedly to measure, and percentage list index can not reset after a week for measurement, data
Poor consistency shows that there are measurement errors for dial framework itself.In addition it causes to cause the waste of manpower, delays maintenance duration.It is former
12 hours are needed to measure side rotor center, analogue measurement is carried out using new modular universal dial framework, only needs 4 hours
It completes, saves working hour 66.7%.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model measures dial framework.
Fig. 2 is the structural schematic diagram of tightening piece.
Fig. 3 is the structural schematic diagram of connecting screw.
Fig. 4 is the structural schematic diagram of branch dial framework.
Fig. 5 is the use state diagram of the utility model.
Fig. 6 is part A partial enlargement diagram in Fig. 5.
Fig. 7 is comparison diagram before and after rotor alignment.
In attached drawing: 1, branch dial framework;11, dial gauge mounting hole;12, horizontal branch dash board;13, fastening bolt;14, it adjusts
Long hole;2, adjusting nut;31, left side screw rod;32, left side cone;33 right side screw rods;34, right side cone;4, tightening piece;41,O
Type circle;42, aprons slot;43, the inside conical surface;44, boss;5, dial gauge;6 shaft couplings.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Fig. 7 is comparison diagram before and after rotor alignment.When steam turbine operation, due to the abrasion of radial journal bearing tungsten gold, cylinder and
The center of the reason of displacement of bearing block, the corrosion etc. of bearing parallels, Turbo-generator Set will change.If center
Change it is excessive, can make unit vibration is exceeded, touched between sound component rub, bearing temperature increases etc..To Steam Turbine center
Readjust is an important and elaboration.
The utility model uses the measurement method of Fig. 5, and the right end of modularization dial framework is mounted in the coupling flange hole of right side
Face, left end pass through the corresponding flange hole in left side to the left.Left end is equipped with branch dial framework 1, and the axis of left end flange is measured by dial gauge
To data and radial data, and record.Then, the present apparatus is mounted on inside another flange hole and is measured.By all methods
Flange aperture measures one time one by one, so that it may data needed for obtaining turbine rotor center.
The utility model is described further in 1-6 with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the present apparatus.The present apparatus specifically includes that branch dial framework 1, connecting screw, tightening piece 4 three
Point.Connecting screw uses one whole metal bar material, and lathe is machined, and both ends are processed for installing branch dash board and tensioner
The screw thread of block.As shown in figure 3, the both ends of connecting screw process screw thread.The left side of right side screw rod 33 is distributed with and is used for and tensioner
The cone (i.e. right side cone 34) that block 4 cooperates.The thinner one end of right side cone 34 is connect with right side screw rod 33, right side cone 34
Left side is the left side cone 32 seamlessly transitted with left side screw rod.
Tightening piece 4 is snapped together by least two parts, and with cooperating with conical surface inside tightening piece 4
The inside conical surface 43.Preferably, tightening piece 4 as shown in Figs. 1-2 is snapped together by the identical tightening piece of two shapes, button
4 outer profile of tightening piece being combined is cylinder.4 excircle of tightening piece has the aprons slot 42 for facilitating mounting O-shaped rings 41.O
Type circle binds together above-mentioned two parts, is easily installed in inside flange hole.The outer end of tightening piece 4 has boss 44.As
Optimal embodiment, 4 outer profile of tightening piece are preferably provided with there are two aprons slot 42.The coupling flange hole of different models
The inner diameter size of (link bolt hole) is different.In order to enable the present apparatus is suitable for the shaft coupling of different model, it can be according to shaft coupling
Tightening piece is fabricated to the several model of various outer diameter by flange hole size.Different model tightening piece, the inside conical surface and aperture
It is identical.For the shaft coupling of different model, it is only necessary to change tightening piece of corresponding size.
As shown in figure 5, the outer end (right end) for being equipped with tightening piece 4 is equipped with adjusting nut on connecting screw.Pass through tune
Section nut can realize tightening piece, be moved to the left on connecting screw, two parts of tightening piece 4 will be softened, with flange
Hole is fitted close, and achievees the purpose that fastening.The machining accuracy of tightening piece is higher, can be accurate after being fitted close with flange hole
Acquisition turbine rotor center needed for data.
The other end of connecting screw is equipped with the adjustable branch dial framework 1 in upper and lower position, and branch dial framework 1 has vertical direction above
The dial gauge mounting hole of dial gauge mounting hole, horizontal direction, dial gauge mounting hole outside are provided with clamp device.Further, institute
The branch dial framework 1 stated is using L shape bulk metal plate as indicator bracket.Wherein, vertical branch dash board adjusts length with long hole 14 is adjusted
Hole 14 is fastened by the adjusting nut 2 of the left and right sides.Adjusting long hole 14 can be with up and down adjustment, to adapt to on-site test adjusting position
Needs.The adjusting nut 2 of the left and right sides can be also used for adjusting 1 left-right position of branch dial framework, to adapt to on-site test level tune
The needs that section is set.
As shown in Figure 1, there are two the dial gauge mounting holes for being horizontally mounted dial gauge for vertical branch dash board upper end band, it is horizontal
Branch dash board 11 is with there are two the dial gauge mounting holes for installing dial gauge for vertical mode.Clamp device is outside dial gauge mounting hole
The mounting hole of the fastening bolt 13 of side, fastening bolt 13 is communicated with dial gauge mounting hole 11.It, will be under dial gauge when installation
The pedestal at end is mounted in dial gauge mounting hole, tightens fastening bolt, so that dial gauge is fixed.Schematic diagram after installation is such as
Shown in Fig. 5-6, thus data needed for available turbine rotor center.The dial gauge of horizontal direction is for measuring axial direction
Data, the dial gauge of vertical direction is for measuring radial data.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope of protection are defined, without departing from the design concept of the present utility model, common in this field
The all variations and modifications that engineers and technicians make the technical solution of the utility model should all fall into the guarantor of the utility model
Protect range.
Claims (6)
1. a kind of modularization dial framework for the measurement of rotor of turbogenerator set center, comprising: branch dial framework (1), rises at connecting screw
Tight block (4), it is characterised in that: one end of connecting screw is provided with for the cone with tightening piece (4) cooperation, tightening piece (4)
It is to be snapped together by least two parts, and the inside conical surface (43) cooperated with conical surface is had inside tightening piece (4);
On connecting screw, the outer end for being equipped with tightening piece (4) is equipped with adjusting nut, and the other end of connecting screw is equipped with up and down
The adjustable branch dial framework (1) in position, branch dial framework (1) have the dial gauge of the dial gauge mounting hole of vertical direction, horizontal direction above
Mounting hole, dial gauge mounting hole outside are provided with clamp device.
2. the modularization dial framework for the measurement of rotor of turbogenerator set center according to claim 1, it is characterised in that: institute
The tightening piece (4) stated is snapped together by the identical tightening piece of two shapes, and tightening piece (4) outer profile is cylinder, tensioner
Block (4) outer circumferential band has the aprons slot (42) for mounting O-shaped rings (41), and the outer end of tightening piece (4) has boss (44).
3. the modularization dial framework for the measurement of rotor of turbogenerator set center according to claim 2, it is characterised in that: rise
There are two aprons slot (42) for tight block (4) excircle setting.
4. the modularization dial framework for the measurement of rotor of turbogenerator set center according to claim 1, it is characterised in that: institute
The branch dial framework (1) stated is L shape, and vertical branch dash board adjusts the adjusting that long hole (14) pass through the left and right sides with long hole (14) are adjusted
Nut (2) fastening.
5. the modularization dial framework for the measurement of rotor of turbogenerator set center according to claim 1, it is characterised in that: perpendicular
Allotment dash board upper end has at least two dial gauge mounting holes at least two dial gauge mounting holes (11), horizontal branch dash board
(11).
6. the modularization dial framework for the measurement of rotor of turbogenerator set center according to claim 1, it is characterised in that: institute
The clamp device stated is the fastening bolt (13) on the outside of dial gauge mounting hole, and the mounting hole and dial gauge of fastening bolt (13) are installed
Hole (11) communicates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820631507.0U CN208443355U (en) | 2018-04-28 | 2018-04-28 | A kind of modularization dial framework for the measurement of rotor of turbogenerator set center |
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CN201820631507.0U CN208443355U (en) | 2018-04-28 | 2018-04-28 | A kind of modularization dial framework for the measurement of rotor of turbogenerator set center |
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CN201820631507.0U Expired - Fee Related CN208443355U (en) | 2018-04-28 | 2018-04-28 | A kind of modularization dial framework for the measurement of rotor of turbogenerator set center |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114396857A (en) * | 2021-12-28 | 2022-04-26 | 沈阳德瓦特汽轮动力有限责任公司 | Device for finding concentricity of rotor and outer cylinder under steam turbine cylinder closing state |
-
2018
- 2018-04-28 CN CN201820631507.0U patent/CN208443355U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114396857A (en) * | 2021-12-28 | 2022-04-26 | 沈阳德瓦特汽轮动力有限责任公司 | Device for finding concentricity of rotor and outer cylinder under steam turbine cylinder closing state |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 Termination date: 20190428 |