CN104668933B - Disassembling and assembling method for rotating arm and pivot of turbine runner - Google Patents
Disassembling and assembling method for rotating arm and pivot of turbine runner Download PDFInfo
- Publication number
- CN104668933B CN104668933B CN201510078108.7A CN201510078108A CN104668933B CN 104668933 B CN104668933 B CN 104668933B CN 201510078108 A CN201510078108 A CN 201510078108A CN 104668933 B CN104668933 B CN 104668933B
- Authority
- CN
- China
- Prior art keywords
- pivoted arm
- pivot
- pair
- dismounting
- supporter
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Abstract
The invention discloses a disassembling and assembling supporting seat and an assembling and disassembling method used for a rotating arm and a pivot of a turbine runner. The disassembling and assembling supporting seat is in a symmetrical structure and comprises a pair of supporting bodies and a pair of connecting assemblies which is connected with the pair of supporting bodies; the top surfaces of the pair of supporting bodies are arc-shaped surfaces; the assembling and disassembling method used for the rotating arm and the pivot adopts the supporting seat. The disassembling and assembling supporting seat is simple in structure and convenient to operate, the rotating arm and the pivot of the turbine runner are easily assembled and disassembled, the overhaul work efficiency is improved, and safety and reliability are realized.
Description
Technical field
The present invention relates to hydropower industry, more particularly to the pivoted arm and installation, the method for dismounting of pivot of rotary wheel of water turbine.
Background technology
The Kaplan turbine of hydroelectric power plant generally needs to be decomposed rotary wheel of water turbine in the overhaul of being enlarged property.
As shown in figure 3, runner mainly includes web 100, brasses 200, pivoted arm 300 and pivot 400.Existing Large Copacity axial-flow rotary propeller
The pivoted arm 300 and the weight of pivot 400 of the formula hydraulic turbine is big, and between the cooperation of pivoted arm 300 and pivot 400 and pivot 400 and brasses 200
Gap is little, therefore the dismounting work of pivoted arm 300 and pivot 400 is most important when runner decomposes, and pivoted arm 300 and pivot 400 are dismounted
Speed and work can safely carry out directly affecting whole unit maintenance duration and trouble free service.
The working difficult point of pivoted arm 300 and pivot 400 in hoisting process has：Either remove work and still return dress work,
The horizontal axiality that pivoted arm 300, pivot 400 and the three of brasses 200 must all be kept keeps constant, pivot 400 when otherwise lifting
When in insertion brasses 200 and pivoted arm 300, it is extremely difficult in place, likewise, removing when hanging out pivot 400 from pivoted arm 300 and brasses 200
Hole in extract out it is also highly difficult.
At present, in rotary wheel of water turbine catabolic process, pivoted arm 300 and pivot 400 are that employing is removed and installed to Split type structure
Method be, one be pivoted arm 300 lift when, by pivoted arm 300 hang hang beam on together lifting install；Two is to work as pivot
Before 400 will return dress or remove, to shift to an earlier date and the suspension beam for weighing about 1.5 tons is installed on the flange face of web 100, it is outstanding by hanging over
Two chain blocks on drop in beam and installed in two jack of the bottom of pivoted arm 300 adjusting pivoted arm 300 and pivot 400, turn
The axiality of brasses 200 on wheel body 100, i.e. first pivoted arm 300 is fixed could hang pivot 400 web 100 or put into
Web 100.These traditional hanging methods, work heavy, and work efficiency is not high, and can only dismount the pivoted arm of lighter in weight
300 and pivot 400.
The content of the invention
Present invention aims to drawbacks described above of the prior art, there is provided a kind of pivoted arm and pivot of rotary wheel of water turbine
The installation of axle, method for dismounting, easily peace installation and dismantling can be carried out by dismounting support base by the pivoted arm of rotary wheel of water turbine, pivot
Unload, improve work ratio.
For achieving the above object, present invention employs following technical scheme：A kind of hydraulic turbine pivoted arm and pivot are torn open
Dress support base, it is in symmetrical structure, and it includes a pair of coupling assemblies of this pair of supporter of a pair of supporters and connection, this pair
The top surface of supporter is respectively provided with camber face.
Additionally, the present invention also provides following attached technical scheme：
The pair of supporter includes being located at lower section base, main part above and is fixedly connected on the base
The top surface of the support tube and main part between, wherein main part is set to arcwall face.
The coupling assembly includes two all-teeth screws being connected with each other with the pair of supporter, and respectively with this two
All-teeth screw is mutually threadedly coupled and is respectively positioned on four nuts on the outside of this pair of supporter, every all-teeth screw and two nuts
Mutually threaded connection.
The pivoted arm of the rotary wheel of water turbine and the dismounting support base of pivot carry out pivoted arm and pivotal mounting construction method, its
Comprise the steps：
1) it is connected with each other with pivoted arm using bridge crane, and pivoted arm is hung in the relevant position in runner body, is adjusted
The axiality of pivoted arm and brasses；
2) the dismounting support base is placed in the bottom of pivoted arm, tightens the coupling assembly on the dismounting support base；
3) screw rod linked together with pivoted arm is fixed on web using chain block and suspender belt, then removes step
It is rapid 1) in the bridge crane that is connected with each other with pivoted arm, complete the fixation of pivoted arm and the adjustment of axiality；
4) sling pivot using bridge crane, and be inserted in web and pivoted arm, complete installment work.
The pivoted arm of the rotary wheel of water turbine and the dismounting support base of pivot carry out the construction method of pivoted arm and pivot dismounting, its
Comprise the steps：
1) the dismounting support base is placed in the bottom of pivoted arm, and by adjusting the coupling assembly on dismounting support base to adjust
The axiality of turn over arm, brasses and pivot；
2) screw rod linked together with pivoted arm is fixed on web using chain block, then removes pivot, and
Hung using bridge crane；
3) chain block is removed；
4) pivoted arm is hung out with bridge crane, completes dismantlement work.
Compared to prior art, advantage of the invention is that：Dismounting clamping support is simple, can arbitrarily dismount, and takes empty
Between few, easy to carry, easily keeping, it is and easy to operate, can be operated in narrow work space.Pivoted arm and pivot are installed
When, by the cambered surface supporting rotary arm of the dismounting support base, the locus for making pivoted arm keep constant, it is ensured that between pivoted arm and pivot
Gap uniformity it is constant, pivot lifting can be easily accomplished.When dismounting pivoted arm and pivot, dismounting the supporting role of support base makes
The axiality for obtaining pivoted arm, pivot and brasses keeps constant, and the dismounting work of pivoted arm and pivot is easily carried out.Therefore the dismounting support base
Easily the pivoted arm of rotary wheel of water turbine, pivot can be mounted and dismounted, be improved work ratio, and it is safe and reliable.
Description of the drawings
Fig. 1 is the sectional view of the dismounting support base of the present invention.
Fig. 2 is the side view of the dismounting support base of the present invention.
Fig. 3 is the schematic diagram of the main part for dismounting support base.
Fig. 4 is the sectional view of rotary wheel of water turbine in prior art.
In figure, 1- supporters, 2- coupling assemblies, 11- base plates, 12- support tubes, 13- main parts, 14- all-teeth screws, 15-
Nut, 23- connecting plates, the side plates of 24- first, the side plates of 25- second, the side plates of 26- the 3rd, the side plates of 27- the 4th, 100- webs,
200- brasses, 300- pivoted arms, 400- pivots.
Specific embodiment
Technical solution of the present invention is further non-limitingly described in detail below in conjunction with preferred embodiment and its accompanying drawing.
See figures.1.and.2, shown in it is dismounting support base, and as can be seen from Figure, its is symmetrical for the dismounting support base
Structure, and be integrally made by steel, it includes a pair of coupling assemblies of this pair of supporter 1 of a pair of supporters 1 and connection
2, the top surface of this pair of supporter 1 is respectively provided with camber face.
Specifically, supporter 1 includes base plate 11, support tube 12, main part 13.Wherein, base plate 11 is under supporter 1
Portion, it is square；Support tube 12 is in hollow cylinder, and its cross-sectional diameter is 150mm, and wall thickness is 10mm, and its lower end
It is mutually permanently connected with base plate 11 using welding manner, its upper end is mutually permanently connected using welding manner with main part 13；Enter
One step is in hollow form with reference to Fig. 3, main part 13, and it includes connecting plate 23, the first side plate 24, the second side plate being mutually permanently connected
25th, the 3rd side plate 26 and the 4th side plate 27, wherein connecting plate 23 are mutually permanently connected with support tube 12, the first side plate 24 and second
Side plate 25 is square plate, and the first side plate 24 is higher than the top margin setting of the second side plate 25, the 3rd side plate 26 and the 4th side plate 27
For arc, therefore the top surface of main part 13 is arcwall face.
About two arrangement through hole (not shown) are respectively arranged with above-mentioned the first side plate 24 and the second side plate 25, and
The top through hole on top through hole and the second side plate 25 on first side plate 24 be in same horizontal line, on the first side plate 24 under
Lower section through hole on Fang Tongkong and the second side plate 25 is in same horizontal line.Coupling assembly 2 includes two all-teeth screws 14 and four
Individual nut 15, wherein, two all-teeth screws 14 respectively horizontally through the through hole on the first side plate 24 and the second side plate 25, and
Each all-teeth screw 14 is mutually threadedly coupled with two nuts 15.
During installation, two supporters 1 are symmetrically arranged, and are that the first side plate 24 is located at outside, the second side plate 25
In inner side, then two supporters 1 are interconnected using two all-teeth screws 14, finally from all-teeth screw 14
End is torqued into nut 15, and adjusting nut 15 can adjust the spacing of two supporters 1.
Using the pivoted arm and the installation method of pivot of the rotary wheel of water turbine of above-mentioned dismounting support base, its step is as follows：
1) it is connected with each other with pivoted arm 300 using bridge crane, and pivoted arm 300 is hung in the relevant position in web 100, is adjusted
The axiality of pivoted arm 300 and brasses 200；2) above-mentioned dismounting support base is placed in the bottom of pivoted arm 300, tightens the dismounting support base
On coupling assembly 2；3) the screw rod (not shown) linked together with pivoted arm 300 is fixed on using chain block and suspender belt and is turned
On wheel body 100, then remove step 1) in the bridge crane that is connected with each other with pivoted arm 300, complete the fixation of pivoted arm 300 with it is same
The adjustment of axle degree；4) sling pivot 400 using bridge crane, and be inserted in web 100 and pivoted arm 300, pivot 400
Remove the dismounting support base afterwards in place, complete installment work.
Using the pivoted arm and the method for dismounting of pivot of the rotary wheel of water turbine of above-mentioned dismounting support base, its step is as follows：
1) above-mentioned dismounting support base is placed in the bottom of pivoted arm 300, and is turned with adjusting by adjusting the coupling assembly 2 on dismounting support base
The axiality of arm 300, brasses 200 and pivot 400；2) using chain block, by the screw rod linked together with pivoted arm 300, (figure is not
Show) it is fixed on web 100, then remove pivot 400；3) pivoted arm 300 is hung using bridge crane, dismounting pulls calabash
Reed；4) pivoted arm 300 is hung out with bridge crane, completes dismounting and terminate.
In sum, dismounting clamping support of the invention is simple, can arbitrarily dismount, and occupies little space, easy to carry, holds
Easily keeping, and it is easy to operate, can be operated in narrow work space.When pivoted arm and pivot are installed, supported by the dismounting
The cambered surface supporting rotary arm of seat, the locus for making pivoted arm keep constant, it is ensured that the gap uniformity between pivoted arm and pivot is constant, pivot
Axle lifting can be easily accomplished.When dismounting pivoted arm and pivot, the supporting role for dismounting support base causes pivoted arm, pivot and brasses
Axiality keep it is constant, the dismounting work of pivoted arm and pivot is easily carried out.Therefore the dismounting support base can easily by the hydraulic turbine
The pivoted arm of runner, pivot are mounted and dismounted, and improve work ratio, and safe and reliable.
It is pointed out that above-mentioned preferred embodiment technology design only to illustrate the invention and feature, its object is to
Allow person skilled in the art will appreciate that present disclosure and implement according to this, protection of the invention can not be limited with this
Scope.All equivalence changes made according to spirit of the invention or modification, all should be included within the scope of the present invention.
Claims (6)
1. the installation method of a kind of pivoted arm of rotary wheel of water turbine and pivot, it is characterised in that it comprises the steps：
1) it is connected with each other with pivoted arm using bridge crane, and pivoted arm is hung in the relevant position in runner body, adjusts pivoted arm
With the axiality of brasses；
2) dismounting support base is made, the dismounting support base is in symmetrical structure, it includes this pair of supporter of a pair of supporters and connection
A pair of coupling assemblies, the top surface of this pair of supporter is respectively provided with camber face；The dismounting support base is placed in the bottom of pivoted arm,
Tighten the coupling assembly on the dismounting support base；
3) screw rod linked together with pivoted arm is fixed on web using chain block and suspender belt, then removes step 1)
In the bridge crane that is connected with each other with pivoted arm, complete the fixation of pivoted arm and the adjustment of axiality；
4) sling pivot using bridge crane, and be inserted in web and pivoted arm, complete installment work.
2. the installation method of the pivoted arm of rotary wheel of water turbine according to claim 1 and pivot, it is characterised in that：It is the pair of
Supporter includes positioned at lower section base, main part above and is fixedly connected on propping up between the base and main part
Support cylinder, the top surface of wherein main part is set to arcwall face.
3. the installation method of the pivoted arm of rotary wheel of water turbine according to claim 1 and pivot, it is characterised in that：The connection
Component includes two all-teeth screws being connected with each other with the pair of supporter, and respectively with the mutual screw thread of two all-teeth screws
Connection and four nuts being respectively positioned on the outside of this pair of supporter, every all-teeth screw is mutually threadedly coupled with two nuts.
4. the method for dismounting of a kind of pivoted arm of rotary wheel of water turbine and pivot, it is characterised in that it comprises the steps：
1) dismounting support base is made, the dismounting support base is in symmetrical structure, it includes this pair of supporter of a pair of supporters and connection
A pair of coupling assemblies, the top surface of this pair of supporter is respectively provided with camber face；The dismounting support base is placed in the bottom of pivoted arm,
And by adjusting the coupling assembly on dismounting support base to adjust pivoted arm, brasses and the axiality of pivot；
2) screw rod linked together with pivoted arm is fixed on web using chain block, then removes pivot, and used
Bridge crane is hung；
3) chain block is removed；
4) pivoted arm is hung out with bridge crane, completes dismantlement work.
5. the method for dismounting of the pivoted arm of rotary wheel of water turbine according to claim 4 and pivot, it is characterised in that：It is the pair of
Supporter includes positioned at lower section base, main part above and is fixedly connected on propping up between the base and main part
Support cylinder, the top surface of wherein main part is set to arcwall face.
6. the method for dismounting of the pivoted arm of rotary wheel of water turbine according to claim 4 and pivot, it is characterised in that：The connection
Component includes two all-teeth screws being connected with each other with the pair of supporter, and respectively with the mutual screw thread of two all-teeth screws
Connection and four nuts being respectively positioned on the outside of this pair of supporter, every all-teeth screw is mutually threadedly coupled with two nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078108.7A CN104668933B (en) | 2015-02-13 | 2015-02-13 | Disassembling and assembling method for rotating arm and pivot of turbine runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078108.7A CN104668933B (en) | 2015-02-13 | 2015-02-13 | Disassembling and assembling method for rotating arm and pivot of turbine runner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104668933A CN104668933A (en) | 2015-06-03 |
| CN104668933B true CN104668933B (en) | 2017-04-12 |
Family
ID=53304795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078108.7A Expired - Fee Related CN104668933B (en) | 2015-02-13 | 2015-02-13 | Disassembling and assembling method for rotating arm and pivot of turbine runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104668933B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921724A (en) * | 2016-04-29 | 2016-09-07 | 共享装备股份有限公司 | Horizontal cylinder assembly supporting device for semicircular cylinder block castings of combustion gas turbine and test method |
| CN106903659A (en) * | 2017-04-10 | 2017-06-30 | 陕西汉江投资开发有限公司喜河水力发电厂 | A kind of dead axle device for the maintenance of vertical axial-flow Kaplan turbine |
| CN108032253A (en) * | 2017-12-29 | 2018-05-15 | 青岛软控机电工程有限公司 | Shaft element handler |
| CN113618381B (en) * | 2021-08-30 | 2022-06-10 | 吉林大学 | Device for maintaining mounting precision of main shaft of moving mechanism and assembling method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4063557B2 (en) * | 2002-03-11 | 2008-03-19 | 平田機工株式会社 | Automatic piston assembly device |
| CN101633113B (en) * | 2008-07-24 | 2010-12-29 | 上海电气电站设备有限公司 | Tool and method for assembling spindle head and center pull rod of gas turbine |
| CN201394728Y (en) * | 2009-04-24 | 2010-02-03 | 天津力神电池股份有限公司 | Duct-type loading and unloading device for iron remover |
| CN203509471U (en) * | 2013-08-21 | 2014-04-02 | 天津港物流发展有限公司 | Assembling and disassembling rack of harbor machinery engine |
| CN203472415U (en) * | 2013-08-29 | 2014-03-12 | 浙江吉利汽车研究院有限公司 | Automobile tire mounting and demounting device |
| CN203843480U (en) * | 2014-06-03 | 2014-09-24 | 长沙学院 | Butterfly valve assembly tool |
| CN204545822U (en) * | 2015-02-13 | 2015-08-12 | 广西桂冠电力股份有限公司大化水力发电总厂 | The pivoted arm of rotary wheel of water turbine and the dismounting supporting seat of pivot |
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2015
- 2015-02-13 CN CN201510078108.7A patent/CN104668933B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104668933A (en) | 2015-06-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20170412 Termination date: 20190213 |