CN108100848A - The safe hoisting tool of large-scale movable propeller turbine runner crosshead and lifting technique - Google Patents
The safe hoisting tool of large-scale movable propeller turbine runner crosshead and lifting technique Download PDFInfo
- Publication number
- CN108100848A CN108100848A CN201711465010.2A CN201711465010A CN108100848A CN 108100848 A CN108100848 A CN 108100848A CN 201711465010 A CN201711465010 A CN 201711465010A CN 108100848 A CN108100848 A CN 108100848A
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- CN
- China
- Prior art keywords
- crosshead
- hole
- support plate
- locating rod
- runner
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/107—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting engines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention relates to a kind of safe hoisting tool of large size movable propeller turbine runner crosshead and lifting techniques, hoisting tool includes support plate, surrounding is evenly distributed with several support bases on the outside of support plate, through hole is set in the middle part of the support plate, support plate surrounding is evenly distributed with location hole, and erecting jib in through hole, sunpender bottom sets nut, assembling locating rod, locating rod are arranged on runner in location hole.The present invention has the hoisting tool of hole bit architecture design according to crosshead and runner, can not only realize safe and reliable lifting, and simple in structure, easy to operate.
Description
Technical field
The present invention relates to the safe hoisting tool of large-scale Computation of Kaplan Turbine Crosshead and lifting techniques.
Background technology
Axial-flow rotary propeller type turbine-generator units of the Flows below Shuikou Hydro-power Station as current single-machine capacity maximum in the world, undertaking Fujian is
Vital tasks and the Fujian Electric Power Networks such as peak-frequency regulation, emergency duty, the Min River flood control flood control navigation to East China Power Grid it is " black to open
It is dynamic " power supply point.Seven machines are in succession in 1993 to 1996 power generations, and seven units are since operation, due to mouth of a river unit
Particularity, from design, manufacture, installation, maintenance, no experience can be used for reference in terms of operation and maintenance, from recent two decades or so
From the point of view of operation and maintenance, 7 years maintenance time between overhauls of mouth of a river unit, maintenance emphasis is concentrated mainly on rotary wheel of water turbine, some danger
Anxious significant deficiency, unit every time expansion property overhaul total lever factor be 100 days, wherein runner part overhaul 40 days, put into a large amount of manpowers,
Material resources.
Rotary wheel of water turbine crosshead is reliably lifted by crane without Special safety and set as one of core equipment, installation and maintenance
Apply and water-turbine unit and maintenance process in operating risk maximum operation program.Since the mouth of a river is maximum profile shaft stream
Kaplan turbine, design, maintenance and initial operating stage do not have it is any can experience for reference, at present mainly by below crosshead
And peripheral temporary support jack, chain block and centre bore are hung joint hinge combination and are implemented, personnel are located at weight during operation
Lower section occurs under dangerous situation, and personnel can not avoid weight, in addition side chain block, lift by crane there are huge security risk
Process can not accomplish that synchronization is consistent with stress, be easy to cause deviation of gravity center, there is a possibility that topple.
Maintenance tool design is not perfect, maintenance safety is directly affected, therefore, by repeatedly overhauling, according to unit
Actual conditions, it is the task of top priority to design a kind of safe take-off and landing device of suitable runner crosshead and related process.
The content of the invention
The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the technical problems to be solved by the invention are
A kind of safe hoisting tool of large-scale Computation of Kaplan Turbine Crosshead and lifting technique are provided, had according to crosshead and runner
The hoisting tool of hole bit architecture design, can not only realize safe and reliable lifting, and simple in structure, easy to operate.
In order to solve the above-mentioned technical problem, the technical scheme is that：Large-scale movable propeller turbine runner operation
The safe hoisting tool of frame includes support plate, and surrounding is evenly distributed with several support bases on the outside of support plate, and through hole is set in the middle part of the support plate,
Support plate surrounding is evenly distributed with location hole, erecting jib in through hole, and sunpender bottom sets nut, assembling locating rod in location hole, positioning
Bar is arranged on runner.
Further, locating rod is screw rod, and locating rod is connected on the swivel nut of runner, and swivel nut is set with location hole one-to-one corresponding
It puts.
Further, swivel nut is equipped with external screw thread and internal thread, the external screw thread of swivel nut and the swivel nut mounting hole of runner it is interior
It is threadedly coupled, the internal thread of swivel nut is connected with locating rod.
Further, sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, sunpender and crosshead upper table
Gasket is set between face.
Further, seat supports crosshead is supported, support plate is arranged on crosshead bottom.
Further, uniformly distributed several waist-shaped holes, support plate surrounding are evenly distributed with lifting hole(eyelet) in support plate.
Further, locating rod, location hole, waist-shaped hole, swivel nut, the number of swivel nut mounting hole are 6, and lifting hole(eyelet) number is 4,
Support base number is 3.
Further, the lifting technique of the large-scale safe hoisting tool of movable propeller turbine runner crosshead includes following
Step：
(1) locating rod is connected on runner；
(2) evenly distributed in the circumferential direction several are used to support the support base of crosshead, and branch is set among several support bases
Support plate makes location hole in support plate and locating rod opposite with respect to the through hole in, support plate and roller centre hole one by one；It will operation
Frame is hung on support base, makes existing hole corresponding with locating rod and locating rod on crosshead opposite one by one, the hole in the middle part of crosshead
It is opposite with roller centre hole；
(3) sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, and sunpender bottom sets nut, tight nut,
Sunpender, crosshead, support plate, nut are assembled into an entirety；
(4) lifting rope of suspension hook passes through the centre bore of runner, and corresponding shackle is connected with sunpender, will be in corresponding shackle and support plate
Lifting hole(eyelet) be connected, slow raising crosshead, locating rod sequentially passes through hole corresponding on crosshead, the positioning in support plate
Hole, until crosshead completes once complete assembling process to rigging position.
Further, locating rod is realized by swivel nut with runner and connected, and swivel nut is mounted in the swivel nut mounting hole of runner,
Locating rod is packed into swivel nut.
Compared with prior art, the invention has the advantages that：Securely and reliably, it is simple for process, it is easy to operate；According to
Crosshead and runner have the special hoisting tool of hole bit architecture design, are applicable in field condition, implement simple and convenient, labor intensity
It is small, it is efficient, and can securely and reliably ensure hydraulic turbine operation smoothly installation.
Description of the drawings
Fig. 1 is that the hoisting tool of the embodiment of the present invention hangs preceding schematic diagram；
Fig. 2 is that the hoisting tool of the embodiment of the present invention hangs rear schematic diagram；
Fig. 3 is the positioning thread insert schematic diagram of the embodiment of the present invention, wherein scheming（a）For front view, figure（b）For figure（a）A-A to cuing open
Face figure；
Fig. 4 is the support plate schematic diagram of the embodiment of the present invention, wherein scheming（a）For front view, figure（b）For figure（a）B-B direction section
Figure.
In figure：1- sunpenders, 2- gaskets, 3- support plates, 4- nuts, 5- swivel nuts, 6- locating rods, 7- support bases, 8- crossheads,
9- runners, 10- location holes, 11- through holes, 12- external screw threads, 13- internal threads, 14- lifting hole(eyelet)s, 15- waist-shaped holes.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in the figure, the safe hoisting tool of large-scale movable propeller turbine runner crosshead includes support plate, support plate
Outside surrounding is evenly distributed with several support bases, and through hole is set in the middle part of the support plate, and support plate surrounding is evenly distributed with location hole, is assembled in through hole
Sunpender, sunpender bottom set nut, assemble locating rod in location hole, locating rod is arranged on runner.
Further, locating rod is screw rod, and locating rod is connected on the swivel nut of runner, and swivel nut is set with location hole one-to-one corresponding
It puts.
Further, swivel nut is equipped with external screw thread and internal thread, the external screw thread of swivel nut and the swivel nut mounting hole of runner it is interior
It is threadedly coupled, the internal thread of swivel nut is connected with locating rod.
Further, sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, sunpender and crosshead upper table
Gasket is set between face.
Further, seat supports crosshead is supported, support plate is arranged on crosshead bottom.
Further, uniformly distributed several waist-shaped holes, support plate surrounding are evenly distributed with lifting hole(eyelet) in support plate.
Further, locating rod, location hole, waist-shaped hole, swivel nut, the number of swivel nut mounting hole are 6, and lifting hole(eyelet) number is 4,
Support base number is 3.
Further, the lifting technique of the large-scale safe hoisting tool of movable propeller turbine runner crosshead includes following
Step：
(1) locating rod is connected on runner；
(2) evenly distributed in the circumferential direction several are used to support the support base of crosshead, and branch is set among several support bases
Support plate makes location hole in support plate and locating rod opposite with respect to the through hole in, support plate and roller centre hole one by one；It will operation
Frame is hung on support base, makes existing hole corresponding with locating rod and locating rod on crosshead opposite one by one, the hole in the middle part of crosshead
It is opposite with roller centre hole；
(3) sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, and sunpender bottom sets nut, tight nut,
Sunpender, crosshead, support plate, nut are assembled into an entirety；
(4) lifting rope of 50 tons of suspension hooks by a workshop bridge machine is passed through to the centre bore of runner, corresponding shackle is connected with sunpender
Connect, corresponding shackle be connected with the lifting hole(eyelet) in support plate, slowly promote crosshead, locating rod sequentially pass through with it is right on crosshead
Location hole on the hole answered, support plate, until crosshead completes once complete assembling process to rigging position.
Further, locating rod is realized by swivel nut with runner and connected, and swivel nut is mounted in the swivel nut mounting hole of runner,
Locating rod is packed into swivel nut.
During lifting operation frame, its center of gravity and eccentric situation are observed.
Analysis and Calculation of rigidity are designed, by studying runner operating mechanism interior layout, space adaptation to local conditions
And the factors such as crosshead weight, size, and Calculation of rigidity, stress analysis etc. is carried out using finite element, design lifting work
Tool, the lifting tool are applicable in field condition, and implementation is simple and convenient, and labor intensity is small, efficient, and can securely and reliably ensure water
Turbine operation is smoothly installed.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (9)
1. the safe hoisting tool of large-scale movable propeller turbine runner crosshead, it is characterised in that：Including support plate, support plate
Outside surrounding is evenly distributed with several support bases, and through hole is set in the middle part of the support plate, and support plate surrounding is evenly distributed with location hole, is assembled in through hole
Sunpender, sunpender bottom set nut, assemble locating rod in location hole, locating rod is arranged on runner.
2. the safe hoisting tool of large size movable propeller turbine runner crosshead according to claim 1, feature exist
In：Locating rod is screw rod, and locating rod is connected on the swivel nut of runner, and swivel nut is corresponded with location hole and set.
3. the safe hoisting tool of large size movable propeller turbine runner crosshead according to claim 2, feature exist
In：Swivel nut is equipped with external screw thread and internal thread, and the internal thread of the external screw thread of swivel nut and the swivel nut mounting hole of runner connects, swivel nut
Internal thread is connected with locating rod.
4. the large-scale safe hoisting tool of movable propeller turbine runner crosshead according to one of claim 1-3,
It is characterized in that：Sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, is set between sunpender and crosshead upper surface
Put gasket.
5. the large-scale safe hoisting tool of movable propeller turbine runner crosshead according to one of claim 1-3,
It is characterized in that：Seat supports crosshead is supported, support plate is arranged on crosshead bottom.
6. the safe hoisting tool of large size movable propeller turbine runner crosshead according to claim 3, feature exist
In：Uniformly distributed several waist-shaped holes, support plate surrounding are evenly distributed with lifting hole(eyelet) in support plate.
7. the safe hoisting tool of large size movable propeller turbine runner crosshead according to claim 6, feature exist
In：Locating rod, location hole, waist-shaped hole, swivel nut, the number of swivel nut mounting hole are 6, and lifting hole(eyelet) number is 4, and support base number is 3.
8. using rising for the large-scale safe hoisting tool of movable propeller turbine runner crosshead described in one of claim 1-7
Hang technique, it is characterised in that：Comprise the following steps：
Locating rod is connected on runner；
Evenly distributed in the circumferential direction several are used to support the support base of crosshead, and support is set among several support bases
Disk makes location hole in support plate and locating rod opposite with respect to the through hole in, support plate and roller centre hole one by one；By crosshead
Hang on support base, make existing hole corresponding with locating rod and locating rod on crosshead opposite one by one, the hole in the middle part of crosshead with
Roller centre hole is opposite；
Sunpender sequentially passes through the hole in the middle part of crosshead, the through hole in the middle part of support plate, and sunpender bottom sets nut, will tight nut
Sunpender, crosshead, support plate, nut are assembled into an entirety；
The lifting rope of suspension hook passes through the centre bore of runner, and corresponding shackle is connected with sunpender, will be in corresponding shackle and support plate
Lifting hole(eyelet) is connected, slow raising crosshead, and locating rod sequentially passes through hole corresponding on crosshead, the location hole in support plate,
Until crosshead completes once complete assembling process to rigging position.
9. the lifting work of the safe hoisting tool of large size movable propeller turbine runner crosshead according to claim 8
Skill, it is characterised in that：Locating rod is realized by swivel nut with runner and connected, and swivel nut is mounted in the swivel nut mounting hole of runner, will
Locating rod is packed into swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465010.2A CN108100848A (en) | 2017-12-28 | 2017-12-28 | The safe hoisting tool of large-scale movable propeller turbine runner crosshead and lifting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465010.2A CN108100848A (en) | 2017-12-28 | 2017-12-28 | The safe hoisting tool of large-scale movable propeller turbine runner crosshead and lifting technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100848A true CN108100848A (en) | 2018-06-01 |
Family
ID=62214352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465010.2A Pending CN108100848A (en) | 2017-12-28 | 2017-12-28 | The safe hoisting tool of large-scale movable propeller turbine runner crosshead and lifting technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250619A (en) * | 2018-11-13 | 2019-01-22 | 国网福建省电力有限公司 | The safe hoisting tool of large-scale Computation of Kaplan Turbine Crosshead and its lifting technique |
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| CN201545652U (en) * | 2009-12-03 | 2010-08-11 | 华北电网有限公司北京十三陵蓄能电厂 | Improved lower frame lifting device for semi-umbrella type water turbine generator sets |
| CN202379593U (en) * | 2011-12-28 | 2012-08-15 | 重庆水轮机厂有限责任公司 | Runner hanging structure of large-sized impulse water turbine |
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2017
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Patent Citations (7)
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| CN202379593U (en) * | 2011-12-28 | 2012-08-15 | 重庆水轮机厂有限责任公司 | Runner hanging structure of large-sized impulse water turbine |
| CN203740852U (en) * | 2013-12-24 | 2014-07-30 | 重庆水轮机厂有限责任公司 | Impact runner hoisting and overturning tool for hydro-generator |
| CN204893815U (en) * | 2015-06-26 | 2015-12-23 | 哈尔滨电机厂有限责任公司 | Specialized tool is installed and removed to impulse unit runner |
| CN204980833U (en) * | 2015-07-08 | 2016-01-20 | 江苏海事职业技术学院 | Supplementary hoist of hydraulic turbine assembly usefulness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250619A (en) * | 2018-11-13 | 2019-01-22 | 国网福建省电力有限公司 | The safe hoisting tool of large-scale Computation of Kaplan Turbine Crosshead and its lifting technique |
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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: 20180601 |