CN104692259A - Hoisting device for generator stator - Google Patents
Hoisting device for generator stator Download PDFInfo
- Publication number
- CN104692259A CN104692259A CN201510122228.2A CN201510122228A CN104692259A CN 104692259 A CN104692259 A CN 104692259A CN 201510122228 A CN201510122228 A CN 201510122228A CN 104692259 A CN104692259 A CN 104692259A
- Authority
- CN
- China
- Prior art keywords
- hoisting
- shoulder pole
- lifting
- scale hoisting
- small
- 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
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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
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
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- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The invention belongs to the field of hoisting devices and relates to a hoisting device for a generator stator. The hoisting device for the generator stator comprises two cranes connected in parallel, at least four load bearing beams, at least four hydraulic lifting devices, a plurality of steel cables and two large hoisting poles. Each crane is provided with the bearing beams in symmetry, and the bearing beams on the two cranes are in one-to-one correspondence; the hydraulic lifting devices are arranged on the bearing beams; the hydraulic lifting devices on the same side of the two cranes are connected with the large hoisting pole on the corresponding side through the steel cables; the middle portions of the two large hoisting poles are fixedly connected with a small hoisting pole, the large hoisting poles and the small hoisting pole compose an I-shaped structure, and the lower portion of the small hoisting pole is connected with a hoisting hook. The hoisting device for the generator stator is simple in operation and high in safety and reliability, saves a traction device in a traditional hoisting frame for tracting the generator stator in position on a steam turbine platform, reduces a large quantity of mounting buffer areas reserved for existing generator stator hoisting and shortens the construction period for hoisting the generator stator.
Description
Technical field
The invention belongs to lifting appliance field, especially relate to a kind of lifting appliance for generator unit stator.
Background technology
The generator unit stator of domestic 600MW, l 000MW fired power generating unit, generally more than 300 tons, is the visual plant of installation, and electric power construction unit is arranged the great Hoisting Program of people.Traditional Hoisting Program is that hydraulic lifting apparatus adds Special-purpose hanger and shelves, and from hanging thing hole, the haul of steam turbine building termination is in place again to basis.Mast-up part, complex structure, dismounting need use large scale hoisting machinery, the dismounting cycle is long, each dismounting all needs removable parts bolt, shift unit roller and track channel-section steel area of contact too little, too large to channel-section steel fail in shear time mobile, when device lifting heavy arrives near upper extreme position, because cable wire shortens, rigidity increases, elasticity diminishes, for this device being realized lifting by load transfer, the impact formed when load transfer is too large, mast-up device installs the place needed at least reserved 30m × 15m of steam turbine tail platform, the construction of compacting main building frame foundation and Equipment Foundations, construction labour intensity is there is large in scheme, long in time limit, unit in charge of construction's cost is large waits deficiency.
Summary of the invention
For Shortcomings in prior art, the invention provides a kind of lifting appliance for generator unit stator, rely on existing parallel connection driving design, combined and instant, duration shorter, construction safety.
The present invention realizes above-mentioned technical purpose by following technological means.
A kind of lifting appliance for generator unit stator, comprise two drivings in parallel, at least four bearing beams, at least four hydraulic lifting apparatus, many cable wires and two Large-scale Hoisting shoulder poles, driving is provided with symmetrical bearing beam on the same stage, bearing beam one_to_one corresponding in two drivings, described bearing beam is provided with hydraulic lifting apparatus, and the hydraulic lifting apparatus described two drivings being positioned at homonymy connects the Large-scale Hoisting shoulder pole of corresponding side respectively by cable wire.
Further, the stage casing of two described Large-scale Hoisting shoulder poles is fixedly connected with small-sized lifting shoulder pole, and described Large-scale Hoisting shoulder pole and small-sized lifting shoulder pole form " work " word structure, and the bottom of described small-sized lifting shoulder pole connects hook.
Further, the two ends of described small-sized lifting shoulder pole are vertically positioned in the stage casing of two Large-scale Hoisting shoulder poles by equal pressing plate, the concave sphere plate that described equal pressing plate comprises protrudent sphere plate and is mated, and described protrudent sphere plate is installed on the stage casing of Large-scale Hoisting shoulder pole; Described concave sphere plate is installed on the two ends of small-sized lifting shoulder pole.
Further, be welded with connecting panel below described small-sized lifting shoulder pole, described connecting panel is connected with hook by connecting pin.
Further, the length direction of described bearing beam is parallel to the travel direction of described driving.
Further, the middle part of described bearing beam is provided with a hydraulic lifting apparatus.
Further, two bearing beams on the same stage in driving are symmetrical about motor stator mounting center line, and described two Large-scale Hoisting shoulder poles are symmetrical about motor stator mounting center line.
Further, one end of described cable wire connects the below of hydraulic lifting apparatus, and the other end connects the Heave Here of corresponding Large-scale Hoisting shoulder pole, and described Heave Here is positioned at the two ends of Large-scale Hoisting shoulder pole.
Beneficial effect of the present invention:
(1) a kind of lifting appliance for generator unit stator of the present invention, by being arranged symmetrically with four hydraulic lifting apparatus in parallel connection driving, four hydraulic lifting apparatus connect the two ends of Large-scale Hoisting shoulder pole respectively by cable wire, avoid in traditional mast-up and need to adopt draw gear to be drawn by generator unit stator in place on turbine block, decrease conventional approach because of motor stator and lift a large amount of Huan Zhuan districts that need reserve; Employing bearing beam coordinates with hydraulic lifting apparatus the load-carrying capacity that improve girder of driving a vehicle, and load stability is good, impacts and shake little, and the conversion performance at any time that band carries ascending, descending or stop is reliable.
(2) the present invention passes through " work " word structure that Large-scale Hoisting shoulder pole becomes with small-sized lifting shoulder pole type, combined and instant, saves steel, reduce and promote dead work amount, stress equalization between each equipment can be ensured, make hoisting process smooth operation, shorten the motor stator lifting construction duration.
(3) be connected by equal pressing plate between Large-scale Hoisting shoulder pole of the present invention with small-sized lifting shoulder pole, protrudent sphere plate in equal pressing plate and the stage casing being positioned at Large-scale Hoisting shoulder pole, concave sphere plate is wherein positioned at the two ends of small-sized lifting shoulder pole, junction is made to be sphere-contact, naturally potential difference is made up by the stressed of spherical surface body, reasonably solve the problem that driving easily causes excess load to run, meet the requirement of 4 stress equalizations, ensure that the safety of the steady of hoisting process and generator unit stator and each equipment.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of lifting appliance for generator unit stator of the present invention.
Fig. 2 is the lateral plan of a kind of lifting appliance for generator unit stator of the present invention.
Fig. 3 is the package assembly schematic diagram of Large-scale Hoisting shoulder pole of the present invention and small-sized lifting shoulder pole.
Fig. 4 is the protrudent sphere plate schematic diagram of equal pressing plate of the present invention.
Fig. 5 is the concave sphere plate schematic diagram of equal pressing plate of the present invention.
Fig. 6 is Large-scale Hoisting shoulder pole of the present invention and equal pressing plate package assembly schematic diagram.
Fig. 7 is small-sized lifting shoulder pole of the present invention and equal pressing plate package assembly schematic diagram.
Description of reference numerals is as follows:
1-drives a vehicle, 2-bearing beam, 3-hydraulic lifting apparatus, 4-cable wire, 5-Large-scale Hoisting shoulder pole, the small-sized lifting shoulder pole of 6-, the equal pressing plate of 7-, 8-Lift hook, 9-motor stator, 601-connecting panel, 602-connecting pin, 701-protrudent sphere plate, 702-concave sphere plate.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As depicted in figs. 1 and 2, a kind of lifting appliance for generator unit stator, comprise two driving 1, four bearing beams 2, four hydraulic lifting apparatus 3, four cable wires 4, two Large-scale Hoisting shoulder poles 5 in parallel and a small-sized lifting shoulder pole 6, driving 1 is provided with two bearing beams 2 about motor stator mounting center line symmetry on the same stage, and the length direction of described bearing beam 2 is parallel to the travel direction of described driving 1; Bearing beam 2 one_to_one corresponding set in two drivings 1, the middle part of every root bearing beam 2 is provided with a hydraulic lifting apparatus 3; The lower end being positioned at the hydraulic lifting apparatus 3 of two driving 1 homonymies connects one end of cable wire 4 respectively, the other end of cable wire 4 connects the corresponding Heave Here of the Large-scale Hoisting shoulder pole 5 of corresponding side, described Heave Here is positioned at the two ends of Large-scale Hoisting shoulder pole 5, avoid that to adopt draw gear to be drawn on turbine block by generator unit stator in traditional mast-up in place, decrease conventional approach because of motor stator and lift a large amount of Huan Zhuan districts that need reserve; The additional bearing beam of employing coordinates with hydraulic lifting apparatus the load-carrying capacity that improve girder of driving a vehicle, and load stability is good, impacts and shake little, and the conversion performance at any time that band carries ascending, descending or stop is reliable.
As shown in Figure 3, the stage casing that the two ends of described small-sized lifting shoulder pole 6 are vertically positioned in two Large-scale Hoisting shoulder poles 5 by equal pressing plate 7 forms " work " word structure, described small-sized lifting shoulder pole 6 is positioned at the top of two Large-scale Hoisting shoulder poles 5, convenient by this textural association, save steel, reduce and promote dead work amount, stress equalization between each equipment can be ensured, make hoisting process smooth operation, shorten the motor stator lifting construction duration.
Described connecting panel 601 is connected with hook 8 by connecting pin 602, and hook hangs steel rope for 8 times to lift by crane motor stator 9.As shown in Figure 4 and Figure 5, described equal pressing plate 7 comprises protrudent sphere plate 701 and concave sphere plate 702, and the bottom of protrudent sphere plate 701 is convex, and the bottom of concave sphere plate 702 is matrix, and described protrudent sphere plate 701 and concave sphere plate 702 mate with each other; As shown in Figure 6, protrudent sphere plate 701 is installed on the stage casing of Large-scale Hoisting shoulder pole 5; As shown in Figure 7, concave sphere plate 702 is installed on the two ends of small-sized lifting shoulder pole 6; Being connected by equal pressing plate 7 makes contact surface be sphere, naturally potential difference is made up by the stressed of spherical surface body, reasonably solve the problem that driving easily causes excess load to run, meet the requirement of 4 stress equalizations, ensure that the safety of the steady of hoisting process and generator unit stator and each equipment.
Operating process is as follows:
Two drivings 1 in parallel are moved to the position about motor stator symmetry, every platform driving 1 is arranged about motor stator mounting center line symmetry and the bearing beam 2 that length direction is parallel in two bearing beams 2, two driving 1 of described driving 1 travel direction is one_to_one corresponding; At the middle part of every root bearing beam 2, correspondence installs a hydraulic lifting apparatus 3, connects one end of cable wire 4 in the bottom of each hydraulic lifting apparatus 3.
Be welded to connect plate 601 by below small-sized lifting shoulder pole 6, connecting panel 601 is connected with hook 8 by connecting pin 602; The protrudent sphere plate 701 of equal pressing plate 7 is arranged on the stage casing of every root Large-scale Hoisting shoulder pole 5, its concave sphere plate 702 is installed on the two ends of small-sized lifting shoulder pole 6, thus two Large-scale Hoisting shoulder poles 5 and a small-sized lifting shoulder pole 6 is formed " work " word structure.The other end of every root cable wire 4 is connected respectively the two ends of Large-scale Hoisting shoulder pole 5, the lifting appliance for generator unit stator of the present invention can be formed.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (8)
1. the lifting appliance for generator unit stator, it is characterized in that, comprise two drivings (1) in parallel, at least four bearing beams (2), at least four hydraulic lifting apparatus (3), many cable wires (4) and two Large-scale Hoisting shoulder poles (5), driving (1) is provided with symmetrical bearing beam (2) on the same stage, bearing beam (2) one_to_one corresponding on two drivings (1), described bearing beam (2) is provided with hydraulic lifting apparatus (3), the hydraulic lifting apparatus (3) described two drivings (1) being positioned at homonymy connects the Large-scale Hoisting shoulder pole (5) of corresponding side respectively by cable wire (4).
2. a kind of lifting appliance for generator unit stator according to claim 1, it is characterized in that, the stage casing of two described Large-scale Hoisting shoulder poles (5) is fixedly connected with small-sized lifting shoulder pole (6), described Large-scale Hoisting shoulder pole (5) and small-sized lifting shoulder pole (6) form " work " word structure, and the bottom of described small-sized lifting shoulder pole (6) connects hook (8).
3. a kind of lifting appliance for generator unit stator according to claim 2, it is characterized in that, the two ends of described small-sized lifting shoulder pole (6) are vertically positioned in the stage casing of two Large-scale Hoisting shoulder poles (5) by equal pressing plate (7), the concave sphere plate (702) that described equal pressing plate (7) comprises protrudent sphere plate (701) and is mated, described protrudent sphere plate (701) is installed on the stage casing of Large-scale Hoisting shoulder pole (5); Described concave sphere plate (702) is installed on the two ends of small-sized lifting shoulder pole (6).
4. a kind of lifting appliance for generator unit stator according to claim 2, it is characterized in that, described small-sized lifting shoulder pole (6) below is welded with connecting panel (601), and described connecting panel (601) is connected with hook (8) by connecting pin (602).
5. a kind of lifting appliance for generator unit stator according to claim 1, is characterized in that, the length direction of described bearing beam (2) is parallel to the travel direction of described driving (1).
6. a kind of lifting appliance for generator unit stator according to claim 1, is characterized in that, the middle part of described bearing beam (2) is provided with a hydraulic lifting apparatus (3).
7. a kind of lifting appliance for generator unit stator according to claim 1, it is characterized in that, two bearing beams (2) driven a vehicle on (1) are on the same stage symmetrical about motor stator mounting center line, and described two Large-scale Hoisting shoulder poles (5) are symmetrical about motor stator mounting center line.
8. a kind of lifting appliance for generator unit stator according to claim 1, it is characterized in that, one end of described cable wire (4) connects the below of hydraulic lifting apparatus (3), the other end connects the Heave Here of corresponding Large-scale Hoisting shoulder pole (5), and described Heave Here is positioned at the two ends of Large-scale Hoisting shoulder pole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122228.2A CN104692259A (en) | 2015-03-18 | 2015-03-18 | Hoisting device for generator stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122228.2A CN104692259A (en) | 2015-03-18 | 2015-03-18 | Hoisting device for generator stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104692259A true CN104692259A (en) | 2015-06-10 |
Family
ID=53339888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510122228.2A Pending CN104692259A (en) | 2015-03-18 | 2015-03-18 | Hoisting device for generator stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104692259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185618A (en) * | 2016-08-31 | 2016-12-07 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of for Generator Stator hoisting structure and hanging method thereof |
| CN113772531A (en) * | 2021-09-22 | 2021-12-10 | 西北电力建设第一工程有限公司 | Hoisting equipment and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825670U (en) * | 2010-10-18 | 2011-05-11 | 河北省电力建设第一工程公司 | Lifting appliance used for generator stator |
| CN203645497U (en) * | 2013-12-26 | 2014-06-11 | 天津蓝巢特种吊装工程有限公司 | Special structure for generator stator lifting |
| US20140306472A1 (en) * | 2014-06-25 | 2014-10-16 | Caterpillar Inc. | Low profile lifting assembly for managing electrical components during installation and service of machines |
| CN204549877U (en) * | 2015-03-18 | 2015-08-12 | 中国能源建设集团江苏省电力建设第三工程有限公司 | A kind of lifting appliance for generator unit stator |
-
2015
- 2015-03-18 CN CN201510122228.2A patent/CN104692259A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825670U (en) * | 2010-10-18 | 2011-05-11 | 河北省电力建设第一工程公司 | Lifting appliance used for generator stator |
| CN203645497U (en) * | 2013-12-26 | 2014-06-11 | 天津蓝巢特种吊装工程有限公司 | Special structure for generator stator lifting |
| US20140306472A1 (en) * | 2014-06-25 | 2014-10-16 | Caterpillar Inc. | Low profile lifting assembly for managing electrical components during installation and service of machines |
| CN204549877U (en) * | 2015-03-18 | 2015-08-12 | 中国能源建设集团江苏省电力建设第三工程有限公司 | A kind of lifting appliance for generator unit stator |
Non-Patent Citations (3)
| Title |
|---|
| 彭国: "某电厂450t发电机定子吊装系统有限元分析", 《福建建筑》, no. 11, 1 November 2014 (2014-11-01), pages 94 - 96 * |
| 王运法: "1000MW超超临界燃煤机组发电机定子吊装技术", 《山西电力》, no. 1, 15 December 2007 (2007-12-15), pages 93 - 96 * |
| 陈学富等: "宁夏灵武电厂（2×600MW）建设工程汽轮发电机组发电机定子吊装方案", 《宁夏电力》, no. 3, 28 June 2008 (2008-06-28), pages 66 - 70 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185618A (en) * | 2016-08-31 | 2016-12-07 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of for Generator Stator hoisting structure and hanging method thereof |
| CN106185618B (en) * | 2016-08-31 | 2017-09-29 | 中国能源建设集团安徽电力建设第一工程有限公司 | One kind is used for Generator Stator hoisting structure and its hanging method |
| CN113772531A (en) * | 2021-09-22 | 2021-12-10 | 西北电力建设第一工程有限公司 | Hoisting equipment and construction method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |