CN112377449A - Auxiliary device for centering water feed pump of small steam turbine - Google Patents
Auxiliary device for centering water feed pump of small steam turbine Download PDFInfo
- Publication number
- CN112377449A CN112377449A CN202011266724.2A CN202011266724A CN112377449A CN 112377449 A CN112377449 A CN 112377449A CN 202011266724 A CN202011266724 A CN 202011266724A CN 112377449 A CN112377449 A CN 112377449A
- Authority
- CN
- China
- Prior art keywords
- coupling
- coupler
- feed pump
- water supply
- small machine
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/34—Turning or inching gear
Abstract
The invention discloses a small turbine feed pump centering assistor, which comprises a small machine coupler, a feed pump coupler and coupler connecting pieces, wherein the small machine coupler and the feed pump coupler are arranged oppositely and at intervals, the small machine coupler and the feed pump coupler are respectively and rotatably assembled at two ends of the coupler connecting pieces, and the small machine coupler and the feed pump coupler are respectively in meshed connection with the coupler connecting pieces. Compared with the prior art, the centering assistor for the feed pump of the small steam turbine provided by the invention has the following advantages: the auxiliary device is made of the changed old equipment, the waste is utilized, the material is saved, the manufacturing process is relatively simple, the use is convenient, the labor and the energy are saved, and the economic operation is facilitated.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of steam turbines, in particular to a centering assistor for a water feeding pump of a small steam turbine.
[ background of the invention ]
The rechecking work of the wheel center of the small turbine feed pump of the power plant becomes a routine working point every year, and the small turbine has a manual turning gear on one side in the working process. The water feeding pump can coil the rotor to rotate only by winding the hemp rope around the gear with brute force. Careless, the dial indicator on the centering meter frame can be touched, so that data in the meter is distorted by mistake, the work has to be repeated, and unnecessary work time and energy and physical strength of personnel are wasted. Careless, the dial indicator on the centering meter frame can be touched, so that data in the meter is distorted by mistake, the work has to be repeated, and unnecessary work time and energy and physical strength of personnel are wasted.
[ summary of the invention ]
The invention aims to provide an auxiliary device for centering a feed pump of a small steam turbine, which can solve the technical problems involved in the background technology.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a little steam turbine feed pump alignment assistor, includes little quick-witted shaft coupling, feed pump shaft coupling and coupling joint spare, little quick-witted shaft coupling with the relative and interval setting of feed pump shaft coupling, just little quick-witted shaft coupling with feed pump shaft coupling rotatable assembly respectively in coupling joint spare's both ends, little quick-witted shaft coupling with feed pump shaft coupling respectively with coupling joint spare meshing is connected.
As an improvement of the invention: the water supply pump coupling is characterized in that first sawteeth are respectively arranged on the peripheral surfaces of the small machine coupling and the water supply pump coupling, and second sawteeth matched with the first sawteeth of the small machine coupling and the water supply pump coupling are respectively arranged on the inner side surfaces of the two ends of the coupling connecting piece.
As an improvement of the invention: the water supply pump coupling is characterized in that first sawteeth are respectively arranged on the inner side surfaces of the small machine coupling and the water supply pump coupling, and second sawteeth matched with the first sawteeth of the small machine coupling and the water supply pump coupling are respectively arranged on the outer side surfaces of the two ends of the coupling connecting piece.
Compared with the prior art, the centering assistor for the feed pump of the small steam turbine provided by the invention has the following advantages: the auxiliary device is made of the changed old equipment, the waste is utilized, the material is saved, the manufacturing process is relatively simple, the use is convenient, the labor and the energy are saved, and the economic operation is facilitated.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a centering auxiliary device of a feed pump of a small steam turbine according to the present invention;
fig. 2 is a schematic view of an assembly structure of a coupling and a coupling connecting member according to embodiment 1 of the present invention;
fig. 3 is a schematic view of an assembly structure of a coupling and a coupling connector according to embodiment 2 of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, the invention provides a small steam turbine feed pump centering assistor, which comprises a small machine coupler 1, a feed pump coupler 2 and a coupler connecting piece 3, wherein the small machine coupler 1 and the feed pump coupler 2 are arranged opposite to each other at intervals, the small machine coupler 1 and the feed pump coupler 2 are respectively rotatably assembled at two ends of the coupler connecting piece 3, and the small machine coupler 1 and the feed pump coupler 2 are respectively in meshing connection with the coupler connecting piece 3.
The water supply pump coupling is characterized in that first sawteeth 12 are respectively arranged on the peripheral surfaces of the small machine coupling 1 and the water supply pump coupling 2, and second sawteeth 31 matched with the first sawteeth 12 of the small machine coupling 1 and the water supply pump coupling 2 are respectively arranged on the inner side surfaces of two ends of the coupling connecting piece 3.
Example 2
Referring to fig. 3 again, the difference between embodiment 2 and embodiment 1 is that: the water supply pump coupling is characterized in that first sawteeth 12 are respectively arranged on the inner side surfaces of the small machine coupling 1 and the water supply pump coupling 2, and second sawteeth 31 matched with the first sawteeth 12 of the small machine coupling 1 and the water supply pump coupling 2 are respectively arranged on the outer side surfaces of two ends of the coupling connecting piece 3.
Compared with the prior art, the centering assistor for the feed pump of the small steam turbine provided by the invention has the following advantages: the auxiliary device is made of the changed old equipment, the waste is utilized, the material is saved, the manufacturing process is relatively simple, the use is convenient, the labor and the energy are saved, and the economic operation is facilitated.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a little steam turbine feed pump alignment assistor which characterized in that: the water supply pump coupling comprises a small machine coupling, a water supply pump coupling and a coupling connecting piece, wherein the small machine coupling and the water supply pump coupling are opposite and arranged at intervals, the small machine coupling and the water supply pump coupling are respectively and rotatably assembled at the two ends of the coupling connecting piece, and the small machine coupling and the water supply pump coupling are respectively and meshingly connected with the coupling connecting piece.
2. The small turbine feed pump centering aid of claim 1, wherein: the water supply pump coupling is characterized in that first sawteeth are respectively arranged on the peripheral surfaces of the small machine coupling and the water supply pump coupling, and second sawteeth matched with the first sawteeth of the small machine coupling and the water supply pump coupling are respectively arranged on the inner side surfaces of the two ends of the coupling connecting piece.
3. The small turbine feed pump centering aid of claim 1, wherein: the water supply pump coupling is characterized in that first sawteeth are respectively arranged on the inner side surfaces of the small machine coupling and the water supply pump coupling, and second sawteeth matched with the first sawteeth of the small machine coupling and the water supply pump coupling are respectively arranged on the outer side surfaces of the two ends of the coupling connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266724.2A CN112377449A (en) | 2020-11-13 | 2020-11-13 | Auxiliary device for centering water feed pump of small steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266724.2A CN112377449A (en) | 2020-11-13 | 2020-11-13 | Auxiliary device for centering water feed pump of small steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377449A true CN112377449A (en) | 2021-02-19 |
Family
ID=74583776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266724.2A Withdrawn CN112377449A (en) | 2020-11-13 | 2020-11-13 | Auxiliary device for centering water feed pump of small steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377449A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420572Y (en) * | 2009-06-12 | 2010-03-10 | 中国电力工程顾问集团东北电力设计院 | Steam turbine generator unit of coaxial drive feed water pump |
| CN202292015U (en) * | 2011-11-09 | 2012-07-04 | 郭广春 | Centering coupler of steam turbine rotor |
| US20130326890A1 (en) * | 2012-06-12 | 2013-12-12 | Turbines Incorporated | Shaft alignment tools and methods |
| CN204878404U (en) * | 2015-06-15 | 2015-12-16 | 大唐国际发电股份有限公司张家口发电厂 | Water -feeding pump steam turbine main oil pump cog -wheel coupling |
| CN105971675A (en) * | 2016-06-24 | 2016-09-28 | 大唐鸡西热电有限责任公司 | Adjustment method for preventing axial displacement of steam turbine |
| CN205784940U (en) * | 2016-05-30 | 2016-12-07 | 华电（北京）热电有限公司 | A kind of water pump alignment device |
| CN107843168A (en) * | 2017-11-01 | 2018-03-27 | 大唐国际发电股份有限公司下花园发电厂 | A kind of specific purpose tool of steam turbine rotor coupling device alignment |
-
2020
- 2020-11-13 CN CN202011266724.2A patent/CN112377449A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420572Y (en) * | 2009-06-12 | 2010-03-10 | 中国电力工程顾问集团东北电力设计院 | Steam turbine generator unit of coaxial drive feed water pump |
| CN202292015U (en) * | 2011-11-09 | 2012-07-04 | 郭广春 | Centering coupler of steam turbine rotor |
| US20130326890A1 (en) * | 2012-06-12 | 2013-12-12 | Turbines Incorporated | Shaft alignment tools and methods |
| CN204878404U (en) * | 2015-06-15 | 2015-12-16 | 大唐国际发电股份有限公司张家口发电厂 | Water -feeding pump steam turbine main oil pump cog -wheel coupling |
| CN205784940U (en) * | 2016-05-30 | 2016-12-07 | 华电（北京）热电有限公司 | A kind of water pump alignment device |
| CN105971675A (en) * | 2016-06-24 | 2016-09-28 | 大唐鸡西热电有限责任公司 | Adjustment method for preventing axial displacement of steam turbine |
| CN107843168A (en) * | 2017-11-01 | 2018-03-27 | 大唐国际发电股份有限公司下花园发电厂 | A kind of specific purpose tool of steam turbine rotor coupling device alignment |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |