CN108083100A - Hydraulic turbine main shaft dismounts suspender and hanging method - Google Patents

Hydraulic turbine main shaft dismounts suspender and hanging method Download PDF

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Publication number
CN108083100A
CN108083100A CN201711410834.XA CN201711410834A CN108083100A CN 108083100 A CN108083100 A CN 108083100A CN 201711410834 A CN201711410834 A CN 201711410834A CN 108083100 A CN108083100 A CN 108083100A
Authority
CN
China
Prior art keywords
main shaft
hydraulic turbine
turbine main
mounting blocks
matrix
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
Application number
CN201711410834.XA
Other languages
Chinese (zh)
Inventor
李慧郎
林家洋
徐文斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Fujian Shuikou Power Generation Group Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Fujian Shuikou Power Generation Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Fujian Shuikou Power Generation Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711410834.XA priority Critical patent/CN108083100A/en
Publication of CN108083100A publication Critical patent/CN108083100A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • B66C1/36Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads

Abstract

The present invention relates to a kind of hydraulic turbine main shaft dismounting suspender and hanging methods,Including mounting blocks,Suspending head,Connecting plate,Main shaft connector,Shaft is equipped at left and right sides of mounting blocks,Connecting plate sets two pieces,The lower end of connecting plate is rotatablely connected with shaft,Connecting plate upper end and the hanging part of bridge crane are hinged,Suspending head includes matrix,Through hole is transversely equipped on matrix,Matrix top is equipped with axostylus axostyle,Axis hole is equipped in the middle part of mounting blocks,Axostylus axostyle upper end is arranged with suspending head nut,Suspending head nut locks mounting blocks and suspending head,Main shaft connector includes intermediate mass,Intermediate mass lower part is equipped with flange part,Intermediate mass top is symmetrically set with two engaging lugs,The space for accommodating matrix is formed between two engaging lugs,Matrix and two engaging lugs are rotatablely connected,The nut of dismounting suspension hook suspending head repeatedly and the cumbersome time consuming process of wheel ball bearing when the present invention avoids lifting,Alleviate workload,Improve lifting efficiency,Reduce security risk existing for working site.

Description

Hydraulic turbine main shaft dismounts suspender and hanging method
Technical field
The present invention relates to a kind of hydraulic turbine main shaft dismounting suspender and hanging methods.
Background technology
Existing turbine-generator units are because without dedicated suspender, turbine-generator units need dismounting main shaft in maintenance process Suspending head 4 times at least wants 6 people to work at the same time every time, takes half a day, needs 2 day time altogether, and is replaced with 2 chain blocks It carries out, working space is small, dangerous big, and safety once once occurs in disassembly process for the suspending head nut and wheel ball bearing of 120 kg Event because belonging to working at height, also needs to set up scaffold, therefore, disassembly process was not only time-consuming, but also there are larger security risks.
The content of the invention
Present invention aims at provide a kind of hydraulic turbine main shaft dismounting suspender and hanging method.
In order to solve the above-mentioned technical problem, a kind of technical solution of the invention is that a kind of hydraulic turbine main shaft dismounts suspender, bag Mounting blocks, suspending head, connecting plate, main shaft connector are included, shaft is symmetrically arranged at left and right sides of the mounting blocks, connecting plate sets two Block, the lower end of two connecting plates are rotatablely connected respectively with the shaft at left and right sides of mounting blocks, connecting plate upper end and bridge crane Hanging part be hinged, the suspending head includes matrix, is horizontally arranged with through hole on the matrix, and matrix top is provided with axostylus axostyle, Be provided with the axis hole passed through beneficial to axostylus axostyle in the middle part of mounting blocks, axostylus axostyle upper end is arranged with suspending head nut, suspending head nut by mounting blocks with Suspending head locks, and against mounting blocks, the main shaft connector includes intermediate mass for suspending head nut lower surface, intermediate mass lower part be provided with Flange part of the hydraulic turbine main shaft head end through bolt releasable connection, intermediate mass top are symmetrically set with two engaging lugs, and two The space for accommodating matrix is formed between a engaging lug, matrix and two engaging lugs are rotatablely connected.
Further, the axostylus axostyle upper end is provided with threaded connection axle portion, and the diameter of axostylus axostyle, which is more than, is threadedly coupled axle portion Diameter, axostylus axostyle is with being arranged with ball bearing on the shaft shoulder being threadedly coupled between axle portion, the shaft shoulder is located at peace after mounting blocks, suspending head assembling Block top is filled, suspending head nut lower part is provided with the annular groove portion for accommodating ball bearing.
Further, the matrix is rotatablely connected with two engaging lugs through bolt.
Further, the screw hole concentric with the through hole on matrix is horizontally arranged on two engaging lugs, one of them The closing of sleeve outer end is provided on the outside of engaging lug, is provided with screw shaft in sleeve, screw shaft front end, rear end are both provided with outer spiral shell Line is provided with internal thread in sleeve, and screw rod shaft rear end is provided with axostylus axostyle, and axostylus axostyle end is through sleeve outer end and is provided with handle, After assembling, screw shaft front end runs through the screw hole on another engaging lug and through nut check, and screw shaft middle part is matched somebody with somebody with through hole rotation It closes.
Further, the slot of the web portion for the hanging part for accommodating bridge crane is provided in the middle part of connecting plate upper end, Connecting plate upper end is horizontally arranged with the pin hole through slot, and connecting plate is through wearing the axis pin of pin hole and the hanging part of bridge crane Web portion be hinged.
A kind of hanging method of hydraulic turbine main shaft dismounting, comprises the following steps:
(1)Mounting blocks, suspending head, connecting plate are assembled, the hanging part of connecting plate and bridge crane is hinged, main shaft is connected The ring flange of part, through being bolted, hydraulic turbine main shaft is connected by another hanging part of bridge crane with hydraulic turbine main shaft head end Tail end
(2)The engaging lug of suspending head and main shaft connector is rotatablely connected;
(3)100 ~ 200mm will be promoted simultaneously by two hanging parts of bridge crane, and hydraulic turbine main shaft is sling, examination is carried out and hangs, Inspection suspender is fixed and stressing conditions, checks steel wire rope angle and stressing conditions, has continued lifting in the case where ensureing safety;
(4)It is lifted by hydraulic turbine main shaft to apart from ground 1m height, then starts individually to promote connection hydraulic turbine main shaft head end Hanging part, when be promoted to hydraulic turbine main shaft can be perpendicular to horizontal plane when, dismounting hanging part be attached with hydraulic turbine main shaft tail end Steel wire, complete hydraulic turbine main shaft be disposed vertically work.
Compared with prior art, the invention has the advantages that:Simple in structure, use is easy to operate, can be to avoid The nut of dismounting suspension hook suspending head repeatedly and the cumbersome time consuming process of wheel ball bearing, alleviate workload, reduce work during lifting Intensity uses manpower and material resources sparingly, and improves lifting efficiency, reduce working site existing for security risk, avoid the hair of security incident Raw, work safety is guaranteed.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is suspending head nut, suspending head, the attachment structure schematic diagram of mounting blocks.
In figure:
1- steel wire ropes;2- hanging parts;3- web portion;4- mounting blocks;5- shafts;6- connecting plates;7- suspending head nuts;8- axostylus axostyles;9- Matrix;10- engaging lugs;11- intermediate mass;12- flange parts;13- hydraulic turbine main shaft head ends;14- sleeves;15- screw shafts;16- Axostylus axostyle;17- handles;18- ball bearings;19- is with being threadedly coupled axle portion;20- slots;21- axis pins.
Specific embodiment
As shown in Figs. 1-2, a kind of hydraulic turbine main shaft dismounting suspender, including mounting blocks, suspending head, connecting plate, main shaft connector, Be symmetrically arranged with shaft at left and right sides of the mounting blocks, connecting plate sets two pieces, the lower ends of two connecting plates respectively with mounting blocks The hanging part of the shaft rotation connection of the left and right sides, connecting plate upper end and bridge crane is hinged, and the suspending head includes matrix, institute It states and through hole is horizontally arranged on matrix, matrix top is provided with axostylus axostyle, and the axis passed through beneficial to axostylus axostyle is provided in the middle part of mounting blocks Hole, axostylus axostyle upper end are arranged with suspending head nut, and suspending head nut locks mounting blocks and suspending head, and suspending head nut lower surface is against installation Block, the main shaft connector include intermediate mass, and intermediate mass lower part is provided with hydraulic turbine main shaft head end through bolt releasable connection Flange part, intermediate mass top are symmetrically set with two engaging lugs, the space for accommodating matrix are formed between two engaging lugs, Matrix and two engaging lugs are rotatablely connected.
In the present embodiment, the axostylus axostyle upper end is provided with threaded connection axle portion, and the diameter of axostylus axostyle is more than thread cnnecting shaft The diameter in portion, axostylus axostyle is with being arranged with ball bearing, shaft shoulder position after mounting blocks, suspending head assembling on the shaft shoulder being threadedly coupled between axle portion In mounting blocks top, suspending head nut lower part is provided with the annular groove portion for accommodating ball bearing.
In the present embodiment, the matrix is rotatablely connected with two engaging lugs through bolt.
In the present embodiment, the screw hole concentric with the through hole on matrix is horizontally arranged on two engaging lugs, wherein The closing of sleeve outer end is provided on the outside of one engaging lug, screw shaft is provided in sleeve, screw shaft front end, rear end are both provided with outer Screw thread, is provided with internal thread in sleeve, and screw rod shaft rear end is provided with axostylus axostyle, and axostylus axostyle end turns through sleeve outer end and being provided with After assembling, screw shaft front end runs through the screw hole on another engaging lug and through nut check, and screw shaft middle part is rotated with through hole Cooperation.
In the present embodiment, inserting for the web portion for the hanging part for accommodating bridge crane is provided in the middle part of connecting plate upper end Slot, connecting plate upper end be horizontally arranged with the pin hole through slot, and connecting plate is through wearing the axis pin and bridge crane of pin hole The web portion of hanging part is hinged.
A kind of hanging method of hydraulic turbine main shaft dismounting, comprises the following steps:
(1)Mounting blocks, suspending head, connecting plate are assembled, the hanging part of connecting plate and bridge crane is hinged, main shaft is connected The ring flange of part, through being bolted, hydraulic turbine main shaft is connected by another hanging part of bridge crane with hydraulic turbine main shaft head end Tail end
(2)The engaging lug of suspending head and main shaft connector is rotatablely connected;
(3)100 ~ 200mm will be promoted simultaneously by two hanging parts of bridge crane, and hydraulic turbine main shaft is sling, examination is carried out and hangs, Inspection suspender is fixed and stressing conditions, checks steel wire rope angle and stressing conditions, has continued lifting in the case where ensureing safety;
(4)It is lifted by hydraulic turbine main shaft to apart from ground 1m height, then starts individually to promote connection hydraulic turbine main shaft head end Hanging part, when be promoted to hydraulic turbine main shaft can be perpendicular to horizontal plane when, dismounting hanging part be attached with hydraulic turbine main shaft tail end Steel wire, complete hydraulic turbine main shaft be disposed vertically work.
On be classified as preferred embodiment, the object, technical solutions and advantages of the present invention are had been further described, institute It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all the present invention's Within spirit and principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of hydraulic turbine main shaft dismounts suspender, it is characterised in that:Including mounting blocks, suspending head, connecting plate, main shaft connector, institute It states and shaft is symmetrically arranged at left and right sides of mounting blocks, connecting plate sets two pieces, and the lower end of two connecting plates is left with mounting blocks respectively The hanging part of the shaft rotation connection of right both sides, connecting plate upper end and bridge crane is hinged, and the suspending head includes matrix, described Through hole is horizontally arranged on matrix, matrix top is provided with axostylus axostyle, the axis hole passed through beneficial to axostylus axostyle is provided in the middle part of mounting blocks, Axostylus axostyle upper end is arranged with suspending head nut, and suspending head nut locks mounting blocks and suspending head, and suspending head nut lower surface is against mounting blocks, institute Stating main shaft connector includes intermediate mass, and intermediate mass lower part is provided with and ring flange of the hydraulic turbine main shaft head end through bolt releasable connection Portion, intermediate mass top are symmetrically set with two engaging lugs, form the space for accommodating matrix between two engaging lugs, matrix with Two engaging lug rotation connections.
2. hydraulic turbine main shaft according to claim 1 dismounts suspender, it is characterised in that:The axostylus axostyle upper end is provided with screw thread Axle portion is connected, the diameter of axostylus axostyle is more than the diameter for being threadedly coupled axle portion, and axostylus axostyle is arranged on the shaft shoulder being threadedly coupled between axle portion There is ball bearing, the shaft shoulder is located at mounting blocks top after mounting blocks, suspending head assembling, and suspending head nut lower part is provided with receiving ball bearing Annular groove portion.
3. hydraulic turbine main shaft according to claim 2 dismounts suspender, it is characterised in that:The matrix and two engaging lugs pass through Bolt is rotatablely connected.
4. hydraulic turbine main shaft according to claim 3 dismounts suspender, it is characterised in that:It is transversely set on two engaging lugs There is the screw hole concentric with the through hole on matrix, the closing of sleeve outer end is provided on the outside of one of engaging lug, is set in sleeve There is screw shaft, screw shaft front end, rear end are both provided with external screw thread, and internal thread is provided in sleeve, and screw rod shaft rear end is provided with axis Bar, axostylus axostyle end is through sleeve outer end and is provided with handle, after assembling, screw hole of the screw shaft front end on another engaging lug And through nut check, screw shaft middle part is rotatably assorted with through hole.
5. hydraulic turbine main shaft according to claim 4 dismounts suspender, it is characterised in that:Connecting plate is provided in the middle part of upper end The slot of the web portion of the hanging part of bridge crane is accommodated, connecting plate upper end is horizontally arranged with the pin hole through slot, even Fishplate bar is hinged through wearing the web portion of the axis pin of pin hole and the hanging part of bridge crane.
6. a kind of hanging method of hydraulic turbine main shaft dismounting, suspender is dismounted using hydraulic turbine main shaft as claimed in claim 5, It is characterised in that it includes following steps:
(1)Mounting blocks, suspending head, connecting plate are assembled, the hanging part of connecting plate and bridge crane is hinged, main shaft is connected The ring flange of part, through being bolted, hydraulic turbine main shaft is connected by another hanging part of bridge crane with hydraulic turbine main shaft head end Tail end
(2)The engaging lug of suspending head and main shaft connector is rotatablely connected;
(3)100 ~ 200mm will be promoted simultaneously by two hanging parts of bridge crane, and hydraulic turbine main shaft is sling, examination is carried out and hangs, Inspection suspender is fixed and stressing conditions, checks steel wire rope angle and stressing conditions, has continued lifting in the case where ensureing safety;
(4)It is lifted by hydraulic turbine main shaft to apart from ground 1m height, then starts individually to promote connection hydraulic turbine main shaft head end Hanging part, when be promoted to hydraulic turbine main shaft can be perpendicular to horizontal plane when, dismounting hanging part be attached with hydraulic turbine main shaft tail end Steel wire, complete hydraulic turbine main shaft be disposed vertically work.
CN201711410834.XA 2017-12-23 2017-12-23 Hydraulic turbine main shaft dismounts suspender and hanging method Pending CN108083100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711410834.XA CN108083100A (en) 2017-12-23 2017-12-23 Hydraulic turbine main shaft dismounts suspender and hanging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711410834.XA CN108083100A (en) 2017-12-23 2017-12-23 Hydraulic turbine main shaft dismounts suspender and hanging method

Publications (1)

Publication Number Publication Date
CN108083100A true CN108083100A (en) 2018-05-29

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CN201711410834.XA Pending CN108083100A (en) 2017-12-23 2017-12-23 Hydraulic turbine main shaft dismounts suspender and hanging method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110775807A (en) * 2019-09-27 2020-02-11 中国二十冶集团有限公司 Rolling mill frame lifting clamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201155412Y (en) * 2008-01-22 2008-11-26 天津市天发重型水电设备制造有限公司 Through-flow turbine main shaft mounting tool
CN202556347U (en) * 2012-05-18 2012-11-28 云峰发电厂 Special tool for connecting macroaxis flange of vertical hydro-power generating unit
CN202880651U (en) * 2012-09-21 2013-04-17 重庆水轮机厂有限责任公司 Universal tool for lifting main shaft of water turbine generator
CN203806949U (en) * 2014-02-28 2014-09-03 东风汽车股份有限公司 Electric horizontal-rolling clamp hanger
CN204751878U (en) * 2015-07-08 2015-11-11 国家电网公司 Hydroelectric set hydraulic turbine main shaft and runner hoist and mount specialized tool
KR20160002159U (en) * 2014-12-12 2016-06-23 한전케이피에스 주식회사 Turbine shaft lifting apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201155412Y (en) * 2008-01-22 2008-11-26 天津市天发重型水电设备制造有限公司 Through-flow turbine main shaft mounting tool
CN202556347U (en) * 2012-05-18 2012-11-28 云峰发电厂 Special tool for connecting macroaxis flange of vertical hydro-power generating unit
CN202880651U (en) * 2012-09-21 2013-04-17 重庆水轮机厂有限责任公司 Universal tool for lifting main shaft of water turbine generator
CN203806949U (en) * 2014-02-28 2014-09-03 东风汽车股份有限公司 Electric horizontal-rolling clamp hanger
KR20160002159U (en) * 2014-12-12 2016-06-23 한전케이피에스 주식회사 Turbine shaft lifting apparatus
CN204751878U (en) * 2015-07-08 2015-11-11 国家电网公司 Hydroelectric set hydraulic turbine main shaft and runner hoist and mount specialized tool

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* Cited by examiner, † Cited by third party
Title
丁玉国: "龙滩水电站水轮机主轴转轮的装配与吊装", 《云南水力发电》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110775807A (en) * 2019-09-27 2020-02-11 中国二十冶集团有限公司 Rolling mill frame lifting clamp

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Application publication date: 20180529