CN107843168A - A kind of specific purpose tool of steam turbine rotor coupling device alignment - Google Patents
A kind of specific purpose tool of steam turbine rotor coupling device alignment Download PDFInfo
- Publication number
- CN107843168A CN107843168A CN201711057770.XA CN201711057770A CN107843168A CN 107843168 A CN107843168 A CN 107843168A CN 201711057770 A CN201711057770 A CN 201711057770A CN 107843168 A CN107843168 A CN 107843168A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- frame table
- special frame
- dial gauge
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Abstract
The present invention provides a kind of specific purpose tool of steam turbine rotor coupling device alignment, and it includes：Special frame table axle, locking nut, circular pressing plate, U-shaped pressing plate, end face indicator bracket and circumference dial gauge；The special frame table axle is positioned through two coupling bolt hole centers by fastener and convex shoulder, is fixed on the shaft coupling of side, and its table bar part is used for setting up end face dial gauge；The circular pressing plate is used for adjusting with U-shaped pressing plate and the position of fixed special frame table axle makes it concentric with bolt hole, while the table bar part of U-shaped pressing plate is used for setting up circumference dial gauge；The locking nut is used for locking pressure plate and fixes special frame table axle.The survey tool can substitute traditional dial indicator holder, solves the problems, such as the frame table difficulty reading difficulty caused by turbine rotor form difference, it could be used that under narrow space, be simple to manufacture easy to use, can be widely used in steam turbine coupling alignment operation.
Description
Technical field
The present invention relates to technical field of tools, more particularly to a kind of specific purpose tool of steam turbine rotor coupling device alignment.
Background technology
Steam turbine is the key component in thermal power plant, and its safe operation is directly connected to the normal operation in power plant.
The centering of wherein shaft coupling is one of important process of steam turbine installation.The purpose of centering is to make driving shaft at work in machine
With the shaft centre line of driven shaft two on the same line, whether the accuracy relation of centering can run well to machine, to running at high speed
Machine be even more important.If center can just not produce very big harm, such as make that unit vibration is exceeded, occurs between sound part
Touch rub, bearing temperature rise etc., so maintenance when Steam Turbine center must be readjusted.This is one important
And elaboration.With the increase of unit capacity, gradually towards the fulcrum of three axle two, single shaft list fulcrum trend development, in looking for
Heart work is increasingly complex.
Most important part is exactly to measure during shaft coupling alignment, and the measuring method of shaft coupling alignment has many kinds, has
Angle square and clearance gauge mensuration, center card and clearance gauge mensuration and dial gauge mensuration are general for power plant's Large Steam Turbine Sets
Measurement accurately all uses the measuring method of three dial gauges, but because each rotor configurations of Set Type difference also differ, then
Plus the bearing housing narrow space residing for shaft coupling, the erection that this results in dial gauge is extremely difficult, in addition be more can not
Set up dial gauge.Even if setting up reluctantly as common gauge stand style sheet one, complex operation, and often touch table,
The problems such as malfunction, causes measurement result to be forbidden.
The content of the invention
The present invention provides a kind of Steam Turbine in Fire Power Plant alignment special measurement instrument, and the device can substitute common hundred
Point gauge stand measures, and on the different shaft coupling of various forms and the operating environment of narrow space can use and convenient
Operated, solve the problems, such as that dial gauge can not be set up during shaft coupling alignment.
To achieve these goals, the present invention provides following technical scheme：A kind of steam turbine rotor coupling device alignment
Specific purpose tool, it includes：Special frame table axle, locking nut, circular pressing plate, U-shaped pressing plate, end face dial gauge and circumference dial gauge,
Be provided with convex shoulder at 1/3rd of the left end of described special frame table axle, right side 1/3rd at be provided with it is a diameter of
The dial gauge bar of special frame table shaft diameter half；Described special frame table axle is each in installation package unit of the present invention for connecting
Part, position through two coupling bolt hole centers, be fixed on the shaft coupling of side, its table bar portion by fastener and convex shoulder
Divide and be used for setting up end face dial gauge；The described circular pressing plate is separately mounted to two special frame table axles up and down with U-shaped pressing plate
Convex shoulder front end, for adjusting and the position of fixed special frame table axle makes it concentric with bolt hole；The bottom of described U-shaped pressing plate
Center is provided with circumference dial gauge bar, while the table bar part of U-shaped pressing plate is used for setting up circumference dial gauge, and both all pass through
The convex shoulder part of special frame table axle is pressed on the tow sides of same shaft coupling with fastening part.
The locking nut is used for locking pressure plate and fixes special frame table axle.
By implementing above technical scheme, there is following technique effect：The steam turbine rotor coupling device alignment it is special
Tool device perfect can substitute common dial indicator holder and measure, on the different shaft coupling of various forms and narrow space
Operating environment can use and easily operated, solve the problems, such as that dial gauge can not be set up during shaft coupling alignment.
And compared with common dial gauge equipment, the apparatus structure is simple, simple to install, widely applicable, effectively avoids in measurement process
Phenomena such as touching table, malfunction, substantially increases operating efficiency.
Brief description of the drawings
Fig. 1 is the specific purpose tool special frame table axle schematic diagram of steam turbine rotor coupling device alignment provided by the invention.
Fig. 2 is the specific purpose tool U-shaped pressure plate structure figure of steam turbine rotor coupling device alignment provided by the invention.
Fig. 3 is the specific purpose tool general assembly schematic diagram of steam turbine rotor coupling device alignment provided by the invention.
1st, special frame table axle, 2, end face dial gauge, 3, circular pressing plate, 4, locking nut, 5, steam turbine coupling, 6, circumference
Dial gauge, 7, U-shaped pressing plate, 8, circumference dial gauge bar, 9, convex shoulder, 10, dial gauge bar.
Embodiment
In order to be better understood from technical scheme, implementation provided by the invention is described in detail below in conjunction with the accompanying drawings
Example.
The present invention provides a kind of specific purpose tool of steam turbine rotor coupling device alignment, as shown in figure 3, it includes：It is special
Frame table axle, locking nut, circular pressing plate, U-shaped pressing plate, end face indicator bracket and circumference dial gauge.Wherein：
The special frame table axle is as shown in figure 1, shaft length should be greater than two shaft coupling spacing and thickness sum, and reserved lock portion
With the length surplus of frame matrix section；To ensure frame table axle intensity, its diameter should typically be not less than 24mm；Its table bar part can be direct
It is welded using the frame table bar of conventional dial indicator holder with first half, or bearing turning, the diameter of frame exterior portion split axle is processed
It is extremely consistent with the table shank diameter of conventional dial indicator holder, to carry out the installation of dial gauge；Its convex shoulder diameter is more than circular pressing plate and U-shaped
The median pore diameter of pressing plate about 10mm, to ensure that pressing plate can lean on dead convex shoulder to be fixed in assembling.Will during installation
Special frame table axle is penetrated by side shaft coupling front bolt hole, is each passed through the bolt hole of two shaft couplings and front and rear pressing plate,
The threaded portion of axle is pressed on pressing plate by locking nut by threaded connection, adjusts special frame table axle and coupling bolt center is concentric
Locking nut afterwards.
The circular pressing plate can be made using 6mm thickness iron plates, the size and pressing plate diameter in its hole are according to special frame table
The diameter of axle and coupling bolt aperture determine that pressing plate diameter is greater than diameter of bolt hole, and the size in hole is greater than special frame table
Shaft diameter and it is less than special frame table shaft shoulder diameter, through special frame table axle, by special frame table shaft shoulder and locking nut
It is fixed on coupling bolt hole both sides.
The U-shaped pressing plate can be made using 6mm thickness iron plates, as shown in Fig. 2 using when put and coupling bolt
Between hole and special frame table shaft shoulder, fixed by special frame table shaft shoulder and locking nut, its U grooves diameter is more than special frame
Table shaft diameter and it is less than special frame table shaft shoulder diameter；Its table bar part can be directly using the frame table bar and U of conventional dial indicator holder
Shape pressing plate is welded, to carry out the installation of dial gauge.
The conventional indicator bracket and dial gauge are separately mounted to the table bar part of special frame table axle and U-shaped pressing plate, wherein
Two dial gauges on special frame table axle point to the end face of shaft coupling, and a dial gauge on U-shaped pressing plate refers to
To the circumference of shaft coupling.
A kind of Steam Turbine in Fire Power Plant rotor coupling alignment provided above the embodiment of the present invention it is special
Survey tool is described in detail, for those of ordinary skill in the art, according to the thought of the embodiment of the present invention, specific
There will be changes in embodiment and application, in summary, this specification content should not be construed as to the present invention's
Limitation.
Claims (2)
1. a kind of specific purpose tool of steam turbine rotor coupling device alignment, including：Special frame table axle, locking nut, circular pressing plate,
U-shaped pressing plate, end face dial gauge and circumference dial gauge, it is characterised in that：The three of the left end of described special frame table axle/
Be provided with convex shoulder at one, right side 1/3rd at be provided with the dial gauge bar of a diameter of special frame table shaft diameter half；It is described
Special frame table axle be used for connecting each part installed in package unit of the present invention, positioned by fastener and convex shoulder through two
Coupling bolt hole center, is fixed on the shaft coupling of side, and its table bar part is used for setting up end face dial gauge；The described circle
Shape pressing plate is separately mounted to the convex shoulder front end of upper and lower two special frames table axle with U-shaped pressing plate, for adjusting and fixing special frame table
The position of axle makes it concentric with bolt hole；The bottom centre position of described U-shaped pressing plate is provided with circumference dial gauge bar, while U
The table bar part of shape pressing plate is used for setting up circumference dial gauge, both convex shoulder parts and fastening part partial pressure all by special frame table axle
Tightly in the tow sides of same shaft coupling.
A kind of 2. specific purpose tool of steam turbine rotor coupling device alignment according to claim 1, it is characterised in that：It is described
Locking nut is used for locking pressure plate and fixes special frame table axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057770.XA CN107843168A (en) | 2017-11-01 | 2017-11-01 | A kind of specific purpose tool of steam turbine rotor coupling device alignment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711057770.XA CN107843168A (en) | 2017-11-01 | 2017-11-01 | A kind of specific purpose tool of steam turbine rotor coupling device alignment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107843168A true CN107843168A (en) | 2018-03-27 |
Family
ID=61681233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711057770.XA Pending CN107843168A (en) | 2017-11-01 | 2017-11-01 | A kind of specific purpose tool of steam turbine rotor coupling device alignment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107843168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377449A (en) * | 2020-11-13 | 2021-02-19 | 大唐石门发电有限责任公司 | Auxiliary device for centering water feed pump of small steam turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660294A (en) * | 1985-11-13 | 1987-04-28 | General Electric Company | Surface parallelism measurement system |
| CN202350723U (en) * | 2011-11-11 | 2012-07-25 | 天津电力建设公司 | Fixing support for centre alignment for paired wheels of large steam turbine |
| CN103089347A (en) * | 2011-11-03 | 2013-05-08 | 尹承民 | Steam turbine alignment dial gauge stand |
| CN104018898A (en) * | 2014-06-20 | 2014-09-03 | 山东电力建设第一工程公司 | Coupling alignment device |
| CN205448943U (en) * | 2015-12-31 | 2016-08-10 | 中国石油天然气股份有限公司 | Turbo generator set shaft coupling aligning device |
| CN205909772U (en) * | 2016-08-17 | 2017-01-25 | 湖北省电力建设第二工程公司 | Turbine rotor alignment frame table instrument |
-
2017
- 2017-11-01 CN CN201711057770.XA patent/CN107843168A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660294A (en) * | 1985-11-13 | 1987-04-28 | General Electric Company | Surface parallelism measurement system |
| CN103089347A (en) * | 2011-11-03 | 2013-05-08 | 尹承民 | Steam turbine alignment dial gauge stand |
| CN202350723U (en) * | 2011-11-11 | 2012-07-25 | 天津电力建设公司 | Fixing support for centre alignment for paired wheels of large steam turbine |
| CN104018898A (en) * | 2014-06-20 | 2014-09-03 | 山东电力建设第一工程公司 | Coupling alignment device |
| CN205448943U (en) * | 2015-12-31 | 2016-08-10 | 中国石油天然气股份有限公司 | Turbo generator set shaft coupling aligning device |
| CN205909772U (en) * | 2016-08-17 | 2017-01-25 | 湖北省电力建设第二工程公司 | Turbine rotor alignment frame table instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377449A (en) * | 2020-11-13 | 2021-02-19 | 大唐石门发电有限责任公司 | Auxiliary device for centering water feed pump of small steam turbine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180327 |