CN201881118U - Hydroelectric generating set guide bearing bush dismounting device - Google Patents
Hydroelectric generating set guide bearing bush dismounting device Download PDFInfo
- Publication number
- CN201881118U CN201881118U CN2010206387725U CN201020638772U CN201881118U CN 201881118 U CN201881118 U CN 201881118U CN 2010206387725 U CN2010206387725 U CN 2010206387725U CN 201020638772 U CN201020638772 U CN 201020638772U CN 201881118 U CN201881118 U CN 201881118U
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- CN
- China
- Prior art keywords
- trolley
- guide
- bearing
- generating set
- bearing bush
- 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 - Lifetime
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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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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a hydroelectric generating set guide bearing bush dismounting device, which comprises an upper oil guide groove bearing, a fixing support, a sliding device, an exciter outer cover, a trolley track, a trolley, an upper guide bush and a trolley guide hook. The fixing support is disposed on the top of the upper oil guide groove bearing and the exciter outer cover and is parallel to the ground, a moving pulley is arranged on the fixing support and connected with the upper guide bush positioned on the trolley, and the trolley is movably mounted on the trolley track. The hydroelectric generating set guide bearing bush dismounting device is fine in security, high in degree of mechanization, and large in work efficiency improving range, reduces labor intensity, improves work efficiency, and adds safety guarantee.
Description
Technical field:
The utility model belongs to mechanical field, relates to a kind of machinery instrument that hoists, the dismounting of especially a kind of hydraulic generator unit guide bearing, installation, conveying arrangement.
Background technology:
The vertical hydrogenerator group that it is 200MW that the hydroelectric power plant, Ankang now is equipped with 4 single-machine capacities, the time between overhauls(TBO) of unit is 4 years, so there is every year a unit need carry out the maintenance of B level.The unit top guide bearing is equipped with 12 babbitt blocks, and B of Unit level when maintenance need be cleaned last guide shoe, repair and scrape from transporting the generator excitation machine stator after the top guide bearing oil groove is extracted out.The last guide shoe of 100kg need hang out to repair to be scraped, because steric requirements restriction, it is very difficult that last guide shoe hangs out, lifts up into work.12 pieces watts of light hang out and just need 6 people to spend 2 day time in the 3F overhaul process, i.e. on 12 work days, efficient is low.
A 100kg watt will hang out having only in 1.2 meters high spaces, and the staff can't stand up, and can only cat waist and works, and working strength is big, also injures accident by a crashing object easily, and hazards are a lot.Can satisfy the needs of unit safety, stable operation, need all change thrust bearing shoe valve during major overhaul.Every unit has 12 thrust bearing shoe valves, every watt have 100 kilograms multiple.The replacing of thrust bearing shoe valve comprises the old Wa-Xin Wa cleaning-measurement-Wa back-grinding-work such as installation of taking out.Especially in watt back-grinding process, to carry out push-and-pull repeatedly, stand up thrust bearing shoe valve.Workload is very big.The turn-over method of in the past taking is that two people lift and watt stand up, and there is following shortcoming in this method:
1, inefficiency
Because thrust bearing shoe valve is heavier, (one piece watt heavy more than 100 kilograms), standing up needs four people to work as one man to seek unity of action, manually finish slow.One piece watt replacing needs 4 people just can finish in 4 hours.
2, labour intensity is big
From taking out watt to standing up, to return dress all be that manpower is finished, one 100 is come the thrust bearing shoe valve of kilogram weight to spur back and forth, it is very big to stand up workload, labour intensity is also very big.
3, unsafe factor is many
Thrust bearing shoe valve is being extracted, is being returned dress out and standing up the possibility that landing is all arranged in the process at any time, and the personnel that cause easily injure and the device damage accident.
As known from the above, 4 people of replacing need of work of 12 thrust bearing shoe valves of a unit just can finish in whole 6 days.Workload is very big, and labour intensity is also very big, and has many unsafe factors, and personal injury and device damage accident take place easily.
Based on above reason, be badly in need of to thrust bearing shoe valve change, equipment for supporting patient with burn in the maintenance process specializes in, and designs and produces safe and reliable, the removal tool special efficiently of a cover.
The utility model content:
The utility model has been alleviated people's labour intensity at work, avoided the work such as lifting, lift, turn over of manpower to thrust bearing shoe valve, danger such as thrust bearing shoe valve issuablely in more changing jobs collides with, landing have directly been reduced, improved the efficient of work, ensured that equipment and this utility unit of personal safety utilize that lever principle has solved that existing brake is installed, dismantlement work very difficulty, waste time and energy, all technical problems of poor safety performance.
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, the provision for disengagement of a kind of hydraulic generator unit guide bearing is provided, comprises oil guide groove bearing body, fixed support, movable pulley, exciter outer cover, trolley track, dolly, go up guide shoe and dolly guiding hook; Described upward oil guide groove bearing body top and exciter outer cover top are provided with fixed support, and this fixed support is parallel to the ground; Described fixed support is provided with movable pulley, and this movable pulley is connected with last guide shoe on being arranged on dolly; Described dolly is movably arranged on the trolley track.
Described carriage is movable pulley, electric block or bottle gouard moved by hands.
Described dolly is provided with dolly guiding hook.Described fixed support is welded by angle steel.
Hydraulic generator unit guide bearing of the present utility model provision for disengagement, though the security from installing, mechanization degree, and the work efficiency increase rate can both satisfy the replacing requirements of one's work.Device is a transmission platform with mechanical sliding bearing, adapting device the bearing shell of chain block grab fine strain of millet, after grinding is stood up in rotation behind the certain altitude that hoisted, drop on the transmission platform, slide into inference bearing retainer watt keyway position, finish and once cooperate grinding work.By the use to device, thrust bearing grinds and stands up work and can finish by mechanical force substantially, greatly reduces labour intensity, increases work efficiency, and has increased safety guarantee.
Description of drawings:
Fig. 1 is a provision for disengagement structural representation of the present utility model;
Fig. 2 is the utility model trolley track structural representation;
Fig. 3 is a vehicle structure schematic diagram of the present utility model.
Wherein: 1 is last oil guide groove bearing body; 2 is fixed support; 3 is movable pulley; 4 is the exciter outer cover; 5 is trolley track; 6 is dolly; 7 is last guide shoe; 8 are dolly guiding hook.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1-3, the provision for disengagement of a kind of hydraulic generator unit guide bearing comprises oil guide groove bearing body, fixed support, movable pulley, exciter outer cover, trolley track, dolly, goes up guide shoe and dolly guiding hook; Described upward oil guide groove bearing body top and exciter outer cover top are provided with fixed support, and this fixed support is parallel to the ground; Described fixed support is provided with movable pulley, and this movable pulley is connected with last guide shoe on being arranged on dolly; Described dolly is movably arranged on the trolley track.
Described dolly is provided with dolly guiding hook.
Described fixed support is welded by angle steel.
Entire equipment will be noted the position and the stability of placing preventing the accident that unstability causes in the lifting process at work.
The adjustment of sliding platform is important in the use, need adjust the height and the level of platform before taking out watt, keep and holder watt is gone up the plane and maintained an equal level, if adjust highly not in place, the bearing shell difficulty that will become when extracting out and pushing.
Bearing shell is grabbed fine strain of millet will accurately tangle the thrust bearing shoe valve handle, has balance to adjust requirement, can offset artificially be set the concentric reducer according to thrust bearing shoe valve before lifting, and stand up than being easier to rotation the lifting back.
Bottle gouard moved by hands is selected hoisting weight as requested, should be on the maximum load degree surplus slightly.Also can adopt the small-sized electric cucurbit of reliable operation.
Sliding platform mainly manufactures support with light reliable section bar, the installation column jecket that can roll in surface directly buckles in holder watt, and is watt consistent with podium level by the adjustment of 4 lower margin height wherein being made the inference bearing retainer, extract thrust bearing shoe then out, to the hoisting bracket bottom.Overhaul technology relatively with early stage, need not lift watt to inspection platform, reduced manual labor greatly, reduce the collision that in lifting watt process, tiling is caused.
The weight of hoisting bracket in thrust bearing shoe back in place main support thrust bearing shoe lifting process, the structure of support will be taken into account the appearance and size of bearing shell and the restriction of working site simultaneously, the employing of hoisting bracket solved the space requirement of standing up operation, very necessary to whole device.
It is to utilize thrust bearing shoe valve self structure and a device of processing that bearing shell is grabbed beam, the safety and stability that is mainly used in bearing shell hoists, in the time of will satisfying bearing shell simultaneously and aloft stand up flexibly and reliable, before using, the needs that manually stand up have been got rid of more substantially, improved efficiency, the actual bodily harm that has caused when having reduced artificial heavy burden.
The conception of machinery propelling movement was arranged in earlier stage for the use of sending watt push rod, but in view of mechanically operated accuracy requirement higher, lost the flexibility of artificial adjustment simultaneously, in order to guarantee that thrust bearing shoe valve enters in the accurate heap of holder watt-hour key and Tuo Wa keyway, prevent that mechanization from entering the holder watt-hour at thrust bearing shoe valve and misaligning the collsion damage that causes, still adopt the mode of artificial centering at this, in the practice the moderate bearing shell of physical labor intensity enter the holder watt process can adjust flexibility and reliability.
Chain block mainly bears a heavy burden in the thrust bearing shoe valve lifting, can conveniently adjust after lifting, rises and falls freely.
Service test by instrument in more the changing jobs of several thrust bearing shoe, people's labour intensity has at work been alleviated in the utilization that thrust bearing shoe valve grinds the instrument that stands up greatly, avoided the work such as lifting, lift, turn over of manpower to thrust bearing shoe valve, danger such as thrust bearing shoe valve issuablely in more changing jobs collides with, landing have directly been reduced, improved the efficient of work, ensured that equipment and this utility unit of personal safety utilize that lever principle has solved that existing brake is installed, dismantlement work very difficulty, waste time and energy, all technical problems of poor safety performance.
Above content is to further describing that the present invention did in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by claims of being submitted to.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387725U CN201881118U (en) | 2010-12-02 | 2010-12-02 | Hydroelectric generating set guide bearing bush dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387725U CN201881118U (en) | 2010-12-02 | 2010-12-02 | Hydroelectric generating set guide bearing bush dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201881118U true CN201881118U (en) | 2011-06-29 |
Family
ID=44178650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206387725U Expired - Lifetime CN201881118U (en) | 2010-12-02 | 2010-12-02 | Hydroelectric generating set guide bearing bush dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201881118U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612092A (en) * | 2013-11-21 | 2014-03-05 | 国家电网公司 | Suspension-type hydroelectric generating set thrust head demounting process |
| CN104440019A (en) * | 2014-11-28 | 2015-03-25 | 东北大学 | Method for replacing portal crane swing bearing |
| CN112894713A (en) * | 2021-03-01 | 2021-06-04 | 中国长江电力股份有限公司 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
-
2010
- 2010-12-02 CN CN2010206387725U patent/CN201881118U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612092A (en) * | 2013-11-21 | 2014-03-05 | 国家电网公司 | Suspension-type hydroelectric generating set thrust head demounting process |
| CN103612092B (en) * | 2013-11-21 | 2015-12-09 | 国家电网公司 | Suspension type thrust head of water turbine power generating set dismounting technique |
| CN104440019A (en) * | 2014-11-28 | 2015-03-25 | 东北大学 | Method for replacing portal crane swing bearing |
| CN112894713A (en) * | 2021-03-01 | 2021-06-04 | 中国长江电力股份有限公司 | Large-scale hydraulic generator thrust bearing bush pumping tool and bush pumping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANKANG HYDROPOWER PLANT Effective date: 20140326 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: ANKANG HYDROPOWER PLANT Effective date: 20140326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 725000 ANKANG, SHAANXI PROVINCE TO: 100761 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140326 Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee after: State Grid Corporation of China Patentee after: Ankang Hydroelectric Power Plant Address before: 725000 healthy city in Shaanxi province Hanbin District Mapoling Patentee before: Ankang Hydroelectric Power Plant |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |