CN101560826A - Elevation type tail water overhauling platform and manufacturing method and application thereof - Google Patents
Elevation type tail water overhauling platform and manufacturing method and application thereof Download PDFInfo
- Publication number
- CN101560826A CN101560826A CNA2009101432336A CN200910143233A CN101560826A CN 101560826 A CN101560826 A CN 101560826A CN A2009101432336 A CNA2009101432336 A CN A2009101432336A CN 200910143233 A CN200910143233 A CN 200910143233A CN 101560826 A CN101560826 A CN 101560826A
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- platform
- girder
- tail water
- fixed
- lifting gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides an elevation type tail water overhauling platform, which comprises an elevating gear, a platform main girder, a platform auxiliary girder, a support girder and a platform plate. The elevating gear is connected and fixedly arranged on the platform main girder, the platform auxiliary girder is crossly fixed on the platform main girder, the support girder is fixedly arranged on the platform main girder and/or the platform auxiliary girder, both ends of the support girder are respectively connected and fixed on the platform main girder and/or the platform auxiliary girder, and the platform plate is fixedly arranged on the platform main girder, the platform auxiliary girder and the support girder. The platform causes a two-dimensional plane working position to expand to a three-dimensional solid working position by the elevation and descent of the platform, thus facilitating the inspection, maintenance and overhauling of any part such as tail water pipe inner wall and hydroturbine vanes.
Description
Technical field
The invention belongs to hydroelectric facility maintenance technical field of construction, particularly relate to a kind of be used to install and use hydraulic power station's draft tube inwall and the equipment of turbine blade maintenance and the using method of this equipment, this equipment is particularly useful for inspection, maintenance and the maintenance of hydraulic power station's draft tube inwall and turbine blade.
Background technology
Hydraulic power station's draft tube inwall and turbine blade maintenance at present, the general double-deck inspection platform of conventional fixed formula that adopts overhauls, promptly, 2 shaped steel girders are worn in the Chuan Liang hole of offering on draft tube in advance, on girder, set up shaped steel again and form temporary platform, perhaps utilize the Chuan Liang hole directly to use the aluminium alloys draft tube deck, as the inspection platform of maintenance draft tube inwall.On this platform, set up a chain-wales then again,, thereby form double-deck inspection platform as the operating platform of maintenance turbine blade.
Adopt the double-deck inspection platform of above-mentioned conventional fixed formula to exist following problem:
1, the platform structure that adopts 2 shaped steel to set up as girder lack of standardization, set up that difficulty is big, stressing conditions is bad; Though reasonable in design, the specification for structure of aluminium alloys draft tube deck need be set up second layer platform thereon when turbine blade is overhauled, and has reduced load-carrying properties.
2, no matter the shaped steel platform still is the aluminium alloys platform, all fix, working range is confined to the above 2m height of flat upper surface with interior height, and because the two-layer platform area is less, some position also needs just can finish whole service work with ladder facility as a supplement.
So the construction installation that this fixedly double-decked platform adds ladder must cause many difficult problems such as work has a big risk, work plane is subjected to limitation, difficult arrival maintenance position.
Summary of the invention
In view of the defective that this area exists at present, the inventor has developed a kind of equipment that is used for draft tube inwall and turbine blade maintenance, has solved the problem that prior art exists effectively.
The object of the present invention is to provide a kind of combined type draft tube deck facility that is suspended on the lifting gear, this product has solved that the double-deck inspection platform structure of conventional fixed is lack of standardization, to set up difficulty big, and work has a big risk during usage platform, work plane is limited to, be difficult for arriving the difficult problem of maintenance position.
Purpose of the present invention and effect are achieved through the following technical solutions:
The invention provides a kind of elevation type tail water overhauling platform, it is characterized in that: this tail water overhauling platform comprises lifting gear, platform girder, platform auxiliary girder, brace summer and landing slab, described lifting gear connection is fixedly arranged on the platform girder, described platform auxiliary girder cross fixation is on this platform girder, described brace summer is fixedly arranged on this platform girder and/or the platform auxiliary girder, the two ends of brace summer are fixed on described landing slab on this platform girder and the platform auxiliary girder more respectively with this platform girder and/or this platform auxiliary girder is connected and fixing.
Above-mentioned elevation type tail water overhauling platform is that the component groups by platform girder, platform auxiliary girder, brace summer and landing slab becomes the combined type draft tube deck, and this combined type draft tube deck is suspended on the lifting gear by the platform girder, utilize the landing of lifting gear to realize the lifting of tail water overhauling platform, thus realize operating personnel in draft tube arbitrarily the locus to draft tube inwall and the omnibearing maintenance of turbine blade.
In the above-mentioned elevation type tail water overhauling platform, preferably the lifting gear that is connected and fixed with the platform girder of combined type draft tube deck is provided with fixed end, this fixed end connecting rope, the rope of this rope preferable alloy quality, for example wirerope, wire rope etc.
One end of above-mentioned rope is connected with the fixed end of lifting gear and is fixing, the other end of rope is fixed on the fixedly hitch point of hydraulic turbine fixed guide vane outside, and the lifting gear that is connected with wire rope is arranged in draft tube interior movable guide vane and turbine blade space and is suspended in the draft tube.For facility and the safety that guarantees to implement and use, the lifting gear that hangs with rope passes movable guide vane and turbine blade is suspended in the draft tube as far as possible symmetrically.
In a preferred embodiment of the invention, described lifting gear is provided with 2～4 fixed ends, if the preferred wire rope of institute, this wire rope one end is fixed on the fixedly hitch point of turbine blade outside, the other end is fixedlyed connected with 2～4 fixed ends of lifting gear, and such syndeton can reach the lifting gear that will hang with wire rope and pass movable guide vane and turbine blade and be suspended on effect in the draft tube as far as possible symmetrically.
The present invention also provides the manufacture method of above-mentioned elevation type tail water overhauling platform, it is characterized in that, this method comprises: utilize lifting gear to have bad luck inside to draft tube described platform girder (by by the manhole of the draft tube that overhauled), this lifting gear and described platform girder are connected and fixed; Have bad luck and install described platform auxiliary girder and brace summer then one by one, making this platform girder and platform auxiliary girder intersect is connected and fixed, and make the two ends of this brace summer respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, landing slab is fixed on this platform girder and the platform auxiliary girder again, forms this tail water overhauling platform.
The present invention also provides the manufacture method of above-mentioned elevation type tail water overhauling platform, and this method preferably includes:
(1) rope one end is fixed on the fixedly hitch point of turbine blade outside, the other end connects the fixed end that is installed in lifting gear, and this rope is arranged in the slit of turbine blade;
(2) the manhole utilization by the draft tube that overhauled of the platform girder of tail water overhauling platform is arranged in lifting gear that the rope other end in the slit of turbine blade connected and has bad luck inside, lifting gear and platform girder are fixed to draft tube; Have bad luck also mounting platform auxiliary girder, brace summer then one by one, making this platform girder and platform auxiliary girder intersect is connected and fixed, and make the two ends of this brace summer respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, promptly, the two ends of this brace summer or be connected to a fixed with this platform girder and platform auxiliary girder respectively, perhaps be connected to a fixed with two platform girders, perhaps be connected to a fixed with two platform auxiliary girders, again landing slab is fixed on this platform girder and the platform auxiliary girder, forms a complete fast assembling platform.
Utilize lifting gear to adjust the level of tail water overhauling platform, can realize the lifting of tail water overhauling platform, thereby realize the inner operation of station arbitrarily of draft tube.
In another embodiment of the present invention, provide the preferred manufacturing and the mounting method of above-mentioned elevation type tail water overhauling platform:
(1) 2～4 wire rope one ends is fixed on the fixedly hitch point of turbine blade outside, lifting gear is installed in the wire rope other end, it is passed from the slit of turbine blade and hang down;
(2) the tail water overhauling platform girder is utilized the lifting gear that hangs down have bad luck inside from the manhole of draft tube, adjust the position, lifting gear and platform girder are fixed to draft tube; Have bad luck also mounting platform auxiliary girder, brace summer, landing slab then one by one, making this platform girder and platform auxiliary girder intersect is connected and fixed, and make the two ends of this brace summer respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, promptly, the two ends of this brace summer or be connected to a fixed with this platform girder and platform auxiliary girder respectively, perhaps be connected to a fixed with two platform girders, perhaps be connected to a fixed with two platform auxiliary girders, again landing slab is fixed on this platform girder and the platform auxiliary girder, forms a complete tail water overhauling platform.
Utilize lifting gear to adjust the level of tail water overhauling platform, and realize the lifting of tail water overhauling platform, to realize the inner operation of station arbitrarily of draft tube.
In another embodiment of the present invention, preferably 2～4 wire rope one ends are fixed on the fixedly hitch point of turbine blade outside, the fixed end of the other end and 2～4 lifting gears is fixed, and the lifting gear that will hang with wire rope then passes fixed guide vane, movable guide vane and turbine blade and is suspended in the draft tube as far as possible symmetrically; The manhole of a girder of tail water overhauling platform by draft tube stretched in the draft tube, tangle girder, have bad luck to draft tube with the lifting end of lifting gear; With same manner another root girder is had bad luck to draft tube, with manpower two auxiliary girders and brace summer, landing slab etc. are installed on the girder then, form complete tail water overhauling platform; By operating each lifting gear, and realize lifting with the tail water overhauling platform leveling.
The invention provides the application of elevation type tail water overhauling platform in draft tube inwall and turbine blade maintenance.
When inspection, maintenance, maintenance draft tube inwall, operator oneself can make draft tube deck rest on the optional position by the operation lifting gear, with the operation of realization to draft tube inwall optional position.
When the maintenance turbine blade, the operation lifting gear pins lifting gear when making it rise to apart from the turbine blade correct position, can directly enter inspection, maintenance and the maintenance of carrying out blade in the blade gaps.
The invention has the beneficial effects as follows: realize the lifting of tail water overhauling platform by lifting gear, thereby make a two-dimensional plane operating position expand three-dimensional three-dimensional operating position to, make the operator become very convenient inspection, maintenance and the maintenance of draft tube inwall and turbine blade any part.Inspection, maintenance, repair quality are protected, have improved the safety of tail water overhauling platform installation, use simultaneously, guaranteed the personal safety of operating personnel in inspection, maintenance, the maintenance process.
Description of drawings
Fig. 1: the schematic diagram of elevation type tail water overhauling platform.
Fig. 2: the structure chart of platform.
Drawing reference numeral:
1---fixedly hitch point 2---lifting gear 3---turbine blade
4---platform girder 5---manhole 6 of draft tube---platform auxiliary girders
7---brace summer 8---landing slab 9---tail water overhauling platforms
The specific embodiment
For purpose of the present invention and technical scheme and effect are described better, below further elaborate, but should not be construed as any qualification the scope of the present invention by drawings and Examples.
A kind of elevation type tail water overhauling platform 9, this tail water overhauling platform 9 comprises lifting gear 2, platform girder 4, platform auxiliary girder 6, brace summer 7 and landing slab 8, described lifting gear 2 connections are fixedly arranged on the platform girder 4, described platform auxiliary girder 6 cross fixation are on this platform girder 4, described brace summer 7 is fixedly arranged on this platform girder 4 and/or the platform auxiliary girder 6, the two ends of brace summer 7 are respectively with this platform girder 4 and/or this platform auxiliary girder 6 is connected and fixing, and described landing slab 8 is installed on described platform girder 4, platform auxiliary girder 6 and the brace summer 7; Described lifting gear 2 is provided with fixed end, connects wire rope by this fixed end.
Outside at fixed guide vane, divide equally by circumference 2～4 fixedly hitch points 1 are set, on the fixedly hitch point 1 that wire rope one end is locked in, movable guide vane is passed with this lifting gear 2 then in 2～4 fixed ends extension jails of the other end and lifting gear 2 and turbine blade 3 is suspended in the draft tube as far as possible symmetrically.
Can select 4 hitch points to be used for being provided with the security insurance rope again in the fixed guide vane outside in addition.
Utilization has the safety product of protective device under the auxiliary protection of security insurance rope, enters in the draft tube with the slit of suspension status from turbine blade 3.The operating personnel of draft tube outside stretch into the manhole 5 of a girder in the tail water overhauling platform parts by draft tube in the draft tube, the people of draft tube inside catches the termination of platform girder 4, lifting end with lifting gear 2 tangles platform girder 4, by operation lifting gear 4 platform girder 4 is had bad luck to draft tube.With same way another root platform girder 4 is had bad luck to draft tube.Stand in then on the platform girder 4, the external staff cooperates with draft tube, manpower is had bad luck into draft tube inside with the parts of tail water overhauling platforms 9 such as two platform auxiliary girders 6 and brace summer 7, landing slab 8, and is installed on the platform girder 4, forms complete tail water overhauling platform 9.
The operator stands on the tail water overhauling platform 9, by operating each lifting gear 2 with tail water overhauling platform 9 leveling.After the leveling, carry out operation test, that is, for example 4 people operate lifting gear 2 simultaneously, move one-period up and down, drop to the assembling position of original tail water overhauling platform 9.If do not occur any problem in the process of the test, can formally come into operation.
When inspection, maintenance, maintenance draft tube inwall, operator oneself can make tail water overhauling platform 9 rest on the optional position by operation lifting gear 2, with the operation of realization to draft tube inwall optional position.
During turbine blade 3, operation lifting gear 2 stops when making it rise to apart from turbine blade 3 correct positions rising, and pins lifting gear 2 in maintenance, and operating personnel directly enter the inspection of carrying out blade in the slit of turbine blade 3, safeguard and overhaul.
After inspection, maintenance and service work were finished, on tail water overhauling platform 9, the security insurance rope that will hang down from the slit of turbine blade 3 hung on the hanging point of the safety product of oneself wearing, and the device that stops dropping that will carry again hangs on the security insurance rope.Operate 4 lifting gears 2, make draft tube deck girder 4 rise to draft tube manhole 5 positions, begin to remove landing slab 8, brace summer 7 and the platform auxiliary girder 6 of tail water overhauling platform 9, remove on one side, on one side the parts of pulling down are had bad luck to the draft tube outside from draft tube manhole 3.Behind remaining draft tube deck girder 4 only, pass through operation lifting gear 2 with suspension status, the external staff cooperates with draft tube, two platform girders 4 are had bad luck to the draft tube outside from draft tube inside respectively, when the platform girder 4 of draft tube has 2/3 length to stretch out outside the draft tube, the platform girder 4 of draft tube is thrown off with lifting gear 2, independently this platform girder 4 is pulled to outside the draft tube by the draft tube external staff.
The parts of tail water overhauling platform 9 are all had bad luck to the draft tube outside, and the operating personnel comes out by the slit of turbine blade 3, arrive the draft tube outside, and lifting gear 2 and safeguard protection rope are also moved the draft tube outside to from the slit of turbine blade 3 subsequently.
Claims (9)
1. elevation type tail water overhauling platform, it is characterized in that: this tail water overhauling platform comprises lifting gear, platform girder, platform auxiliary girder, brace summer and landing slab, described lifting gear connection is fixedly arranged on the platform girder, described platform auxiliary girder cross fixation is on this platform girder, described brace summer is fixedly arranged on this platform girder and/or the platform auxiliary girder, the two ends of brace summer are respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, and described landing slab is installed on described platform girder, platform auxiliary girder and the brace summer.
2. elevation type tail water overhauling platform as claimed in claim 1 is characterized in that: described lifting gear is provided with fixed end.
3. elevation type tail water overhauling platform as claimed in claim 2 is characterized in that: described fixed end connecting rope.
4. elevation type tail water overhauling platform as claimed in claim 3 is characterized in that: an end of described rope is connected with the fixed end of lifting gear and is fixing.
5. elevation type tail water overhauling platform as claimed in claim 2 is characterized in that: the fixed end of described lifting gear is 2～4.
6. the manufacture method of the described elevation type tail water overhauling platform of claim 1, it is characterized in that, this method comprises: utilize lifting gear to have bad luck to the inside of the draft tube that is overhauled described platform girder (by by the manhole of the draft tube that overhauled), this lifting gear and described platform girder are connected and fixed; Have bad luck and install described platform auxiliary girder and brace summer then one by one, making this platform girder and platform auxiliary girder intersect is connected and fixed, and make the two ends of this brace summer respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, again described landing slab is installed on described platform girder, platform auxiliary girder and the brace summer, forms this tail water overhauling platform.
7. manufacture method as claimed in claim 6 is characterized in that, this method comprises:
(1) rope one end is fixedly connected on the fixed end of described lifting gear, this rope is arranged in the slit of turbine blade of the draft tube that is overhauled;
(2) the platform girder of the tail water overhauling platform manhole by the draft tube that overhauled is utilized described lifting gear have bad luck inside, lifting gear and platform girder are fixed to draft tube; Have bad luck also mounting platform auxiliary girder, brace summer then one by one, making this platform girder and platform auxiliary girder intersect is connected and fixed, and make the two ends of this brace summer respectively with this platform girder and/or this platform auxiliary girder is connected and fixing, again described landing slab is fixed on this platform girder and the platform auxiliary girder, forms described tail water overhauling platform.
8. manufacture method as claimed in claim 7, it is characterized in that, this method comprises: be connected with this platform girder and/or this platform auxiliary girder respectively at the two ends of the brace summer described in the step (2) and be fixed as the two ends of this brace summer or be connected to a fixed with this platform girder and platform auxiliary girder respectively, perhaps be connected to a fixed, perhaps be connected to a fixed with two platform auxiliary girders with two platform girders.
9. the application of the described elevation type tail water overhauling platform of claim 1 in draft tube inwall and turbine blade maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101432336A CN101560826A (en) | 2009-05-21 | 2009-05-21 | Elevation type tail water overhauling platform and manufacturing method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101432336A CN101560826A (en) | 2009-05-21 | 2009-05-21 | Elevation type tail water overhauling platform and manufacturing method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101560826A true CN101560826A (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101432336A Pending CN101560826A (en) | 2009-05-21 | 2009-05-21 | Elevation type tail water overhauling platform and manufacturing method and application thereof |
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| CN (1) | CN101560826A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493689A (en) * | 2011-12-16 | 2012-06-13 | 东方电气集团东方电机有限公司 | Easily detachable water turbine maintenance platform |
| CN102587335A (en) * | 2012-02-22 | 2012-07-18 | 塞卡尔（北京）工业技术有限公司 | Assembled hydroelectric power overhauling platform and assembling method as well as application thereof |
| CN104131540A (en) * | 2014-07-30 | 2014-11-05 | 国电大渡河检修安装有限公司 | Method for mounting water-turbine generator set draft tube maintenance platform main beams |
| CN109537939A (en) * | 2018-11-22 | 2019-03-29 | 国网福建省电力有限公司 | Hydraulic turbine tail water overhauling platform |
-
2009
- 2009-05-21 CN CNA2009101432336A patent/CN101560826A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493689A (en) * | 2011-12-16 | 2012-06-13 | 东方电气集团东方电机有限公司 | Easily detachable water turbine maintenance platform |
| CN102493689B (en) * | 2011-12-16 | 2013-08-21 | 东方电气集团东方电机有限公司 | Easily detachable water turbine maintenance platform |
| CN102587335A (en) * | 2012-02-22 | 2012-07-18 | 塞卡尔（北京）工业技术有限公司 | Assembled hydroelectric power overhauling platform and assembling method as well as application thereof |
| CN102587335B (en) * | 2012-02-22 | 2014-06-25 | 塞卡尔（北京）工业技术有限公司 | Assembled hydroelectric power overhauling platform and assembling method as well as application thereof |
| CN104131540A (en) * | 2014-07-30 | 2014-11-05 | 国电大渡河检修安装有限公司 | Method for mounting water-turbine generator set draft tube maintenance platform main beams |
| CN104131540B (en) * | 2014-07-30 | 2016-01-06 | 国电大渡河检修安装有限公司 | Turbine-generator units draft tube inspection platform erection of main beam method |
| CN109537939A (en) * | 2018-11-22 | 2019-03-29 | 国网福建省电力有限公司 | Hydraulic turbine tail water overhauling platform |
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Open date: 20091021 |