CN101913056A - Process for coaxially processing thrust collar and rotary ring - Google Patents
Process for coaxially processing thrust collar and rotary ring Download PDFInfo
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- CN101913056A CN101913056A CN 201010212641 CN201010212641A CN101913056A CN 101913056 A CN101913056 A CN 101913056A CN 201010212641 CN201010212641 CN 201010212641 CN 201010212641 A CN201010212641 A CN 201010212641A CN 101913056 A CN101913056 A CN 101913056A
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- thrust collar
- change
- main shaft
- insulating pad
- processing
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Abstract
The invention relates to a process capable of coaxially processing a thrust collar and a rotary ring in the field of water turbine accessory processing. One end of a main shaft processed according to the technical requirements is sequentially sleeved with a magnet yoke and a slide rotor with processing redundancy by heating, the magnet yoke is fixed on the main shaft, and a flange is fastened at a shaft end; the other end of the main shaft is sequentially sleeved with a rotary ring with processing redundancy, an insulated base plate and a thrust collar; the small end surface of the thrust collar fixed on the main shaft is positioned at the shaft end, the distance between the large end surface of the thrust collar and the insulated base plate is not less than 50 mm, and the insulated base plate and the rotary ring are fastened on the main shaft by a fixture block or a fixture ring after being attached; and the process comprises the following steps of: tightening and correcting the main shaft, processing the small end surface and each excircle of the thrust collar, turning a fixture trough, placing the fixture ring in the fixture trough to tightly clamp the thrust collar, processing the large end surface of the thrust head, fastening the loosened rotary ring and insulated base plate on the thrust collar, processing the outer end surface of the rotary ring, and then carrying out burring, rust-preventing treatment, packing, main shaft correction and marking. The method can ensure the processing precision and requirement and has safety and convenience.
Description
Technical field
The present invention relates to a kind of hydraulic turbine accessory manufacture field, particularly relating to a kind of simple and direct convenient economic security reliably can be with the technology of thrust collar and the coaxial processing of change.
Background technology
In a single day the hydraulic generator unit puts into operation, generating production that just should be long-term, continuous, and As soon as possible Promising Policy electrical network and user are to the demand of electric power, electric weight and power supply quality.Must guarantee stability, reliability and the chronicity of unit operation, and the quality of these runnabilities, depend on the quality of each parts of unit to a great extent.This just requires unit steady at the running medium speed, the swing of each several part and vibration will be within limits, and requiring unit under the normal condition of using, can move continuously for a long time, the quality of these performances is subjected to the influence of each parts of unit to a great extent.
Traditional thrust collar and change processing technology are that thrust collar and change are processed respectively according to installation code, then with the mirror finish of change to stipulating requirement, must grind one time the change minute surface when installing again in the power station.This kind method can not guarantee machining accuracy and form and position tolerance effectively, can not guarantee identical being adjacent in plane that change, insulating pad, thrust collar match, cause the axiality of thrust collar, change axis and main-shaft axis to produce deviation easily, thus wearing and tearing even burn out guide bearing.After the water wheels unit install to be gone into operation,, wear and tear even burn out guide bearing if the coaxiality deviation of thrust collar, change axis and main-shaft axis is excessive, perhaps cause bearing to become flexible or the bearing clearance incorrect etc., all certainly will destroy the runnability of unit.Unit operation instability, fault or accident are just unavoidable, thereby also influence the service life of whole unit.And the technology that thrust collar and change are processed respectively needs manually operate wayward error respectively, and labour intensity to be big by manually processing respectively.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple and direct convenient economic security reliably can be the technology of thrust collar and the coaxial processing of change.
In order to realize the object of the invention, the technical solution used in the present invention is:
The same axis processing technique of a kind of thrust collar and change may further comprise the steps:
The same axis processing technique of a kind of thrust collar and change is characterized in that, may further comprise the steps:
The first step: processing thrust collar
1. by an end of the main shaft of specification requirement processing hot jacket yoke successively, leave the slide rotor of allowance, yoke is fixed on the main shaft, the axle head clamp flange; The other end of main shaft successively in order suit leave change, insulating pad, the thrust collar of allowance; The thrust collar small end face that is fixed on the main shaft is positioned at axle head, and the distance between thrust collar large end face and the insulating pad relies on fixture block or snap ring to be fixed on the main shaft more than or equal to 50mm after insulating pad and change are fitted;
2. use gripper chuck flange cylindrical, main shaft two ends, top top centre bore is adjusted top position and elasticity, and rotary main shaft with the instrument calibration on the yoke, is proofreaied and correct the yoke cylindrical;
3. each cylindrical of finish turning thrust collar small end face and thrust collar and slide rotor polishes;
4. car draw-in groove will be located snap ring or the positioning wedged block draw-in groove of packing into, and location snap ring or positioning wedged block are fixedlyed connected fine finishining thrust collar large end face by securing member with thrust collar;
Second step: processing change
1. fixture block or snap ring are unclamped, thrust collar, change, insulating pad three are fitted tightly, and with the insulation securing member that the three is fastening;
2. light is seen in car change outer face;
3. with pressurizing unit extrusion process is carried out to minute surface in the change outer face;
The 3rd step: post-processed
1. remove burr, do antirust processing, seal, the main shaft axiality is proofreaied and correct in the reading change of the rectifier on the yoke shelves simultaneously;
2. thrust collar, change, insulating pad are removed from main shaft.
Thrust collar is fixed on the main shaft by keyway or bearing pin in the first step.
In the first step by manual or motor-driven mode rotary main shaft.
The run-out tolerance of described yoke cylindrical is less than or equal to 0.02mm.
Little head end leaves the allowance of 0.5～1mm during car thrust collar small end face in the first step.
In the first step car thrust collar and slide rotor outside each bowlder leave the allowance of 0.2～0.3mm earlier.
The thickness that the change outer face is gone by car in second step is more than or equal to 0.1mm and be less than or equal to 0.2mm.
Before in the 3rd step, thrust collar, change, insulating pad being removed from main shaft on main shaft the corresponding installation site of thrust collar, change and insulating pad make marks respectively, and make on thrust collar, change and the insulating pad with main shaft on the mark that is complementary of installation site, be processed into permanent marks with making marks on thrust collar, change, the insulating pad after pulling down.
Thrust collar, change, insulating pad are removed back making marks from main shaft play steel seal or cutting on thrust collar 1, change 2, insulating pad 3.
Beneficial effect of the present invention:
1, can guarantee machining accuracy and form and position tolerance, guarantee identical being adjacent in plane that change, insulating pad, thrust collar match, guarantee that the axiality of thrust collar, change axis and main-shaft axis meets the demands, thus the protection guide bearing, the service life of prolongation guide bearing,
2, must not grind by manpower, reduced working strength of workers, improved efficiency.
3, technology is simple, and controllability is strong, and is safer.
4, can be directly used in the power station installs, owing to before tearing workpiece open, mark at thrust collar, insulating pad, change opposite position, pull down the back and stamp steel seal note in thrust collar and change, cutting makes marks on the insulating pad, is convenient to the power station dismounting and has reduced the scraping amount of insulating pad.
Description of drawings
Fig. 1 is the flow chart of the same axis processing technique of thrust collar of the present invention and change.
Fig. 2 adds the schematic diagram in man-hour to thrust collar for the coaxial processing of thrust collar and change.
Fig. 3 adds the schematic diagram in man-hour to change for the coaxial processing of thrust collar and change.
Among the figure, 1 is thrust collar, and 2 are change, and 3 is insulating pad, and 4 is slide rotor, and 5 is main shaft, and 6 is yoke, and 7 is top, and 8 is fixture block, and 9 are the location snap ring, and 10 is flange, and 11 is flat key, and 12 is draw-in groove.
The specific embodiment
Embodiment one: referring to Fig. 1, and Fig. 2, Fig. 3.
The same axis processing technique of a kind of thrust collar 1 and change 2 may further comprise the steps:
The first step: processing thrust collar
1. by an end of the main shaft 5 of specification requirement processing hot jacket yoke 6 successively, leave the slide rotor 4 of allowance, yoke 6 is fixed on the main shaft 5, axle head clamp flange 10; The other end of main shaft 5 successively in order suit leave change 2, insulating pad 3, the thrust collar 1 of allowance; Thrust collar 1 small end face that is fixed on the main shaft 5 is positioned at axle head, and thrust collar is fixed on the main shaft by keyway or bearing pin, and thrust collar is fixed on the main shaft 5 by flat key 11 in the present embodiment.Distance between thrust collar 1 large end face and the insulating pad 3 is more than or equal to 50mm, and insulating pad 3 relies on fixture block 8 or snap ring to be fixed on the main shaft 5 after fitting with change 2, the fixture block 8 for making for wooden unit in the present embodiment;
2. use gripper chuck flange 10 cylindricals, main shaft two ends, top 7 top centre bore is adjusted top 7 position and elasticity, with manual or motor-driven mode rotary main shaft 5, with the instrument calibration on the yoke 6, proofread and correct yoke 6 cylindricals, the run-out tolerance of yoke 6 cylindricals is less than or equal to 0.02mm;
3. finish turning thrust collar 1 small end face and thrust collar 1 and slide rotor 4 each cylindrical, little head end leaves the allowance of 0.5～1mm during car thrust collar 1 small end face, and car thrust collar 1 and slide rotor 4 each outer bowlder leave the allowance of 0.2～0.3mm earlier, polishing;
4. the car draw-in groove 12, will locate snap ring 9 or the positioning wedged block draw-in groove 12 of packing into, take to locate snap ring in the present embodiment, and location snap ring 9 and thrust collar 1 are fixedlyed connected fine finishining thrust collar 1 large end face in the present embodiment by securing members such as bolt or bearing pins;
Second step: processing change
1. fixture block 8 is unclamped, thrust collar 1, change 2, insulating pad 3 threes are fitted tightly, and with the insulation securing member that the three is fastening;
2. light is seen in car change 2 outer faces;
3. with pressurizing unit extrusion process is carried out to minute surface in change 2 outer faces;
After the change completion of processing, the thickness that change 2 outer faces are gone by car is more than or equal to 0.1mm and be less than or equal to 0.2mm;
The 3rd step: post-processed
1. remove burr, do antirust processing, seal, seal and be meant with methods such as brushing, dip-coating, sprayings thermoplasticity or thermosetting resin are applied on the workpiece, and its outer surface is all coated and as a kind of operation of protective finish or insulating barrier, the axiality of sealing the back main shaft changes the reading change of the rectifier on the yoke shelves 6, proofread and correct the main shaft axiality, the run-out tolerance of yoke 6 cylindricals is less than or equal to 0.02mm;
2. before thrust collar 1, change 2, insulating pad 3 being removed from main shaft on main shaft 5 thrust collar 1, change 2 and insulating pad 3 corresponding installation sites make marks respectively, and make on thrust collar 1, change 2 and the insulating pad 3 with main shaft on the mark that is complementary of installation site, be processed into permanent marks with making marks on thrust collar 1, change 2, the insulating pad 3 after pulling down.In the present embodiment thrust collar 1, change 2, insulating pad 3 are removed back making marks from main shaft on thrust collar 1, change 2, insulating pad 3 and play steel seal or cutting.Can carry out dismounting very easily when carrying out dismounting, and reduce the scraping amount of insulating pad to a great extent in the power station.
Claims (9)
1. the same axis processing technique of a thrust collar (1) and change (2) is characterized in that, may further comprise the steps:
The first step: processing thrust collar
1. by an end of the main shaft (5) of specification requirement processing hot jacket yoke (6) successively, leave the slide rotor (4) of allowance, yoke (6) is fixed on the main shaft (5), axle head clamp flange (10); The other end of main shaft (5) successively in order suit leave change (2), insulating pad (3), the thrust collar (1) of allowance; Thrust collar (1) small end face that is fixed on the main shaft (5) is positioned at axle head, distance between thrust collar (1) large end face and the insulating pad (3) is more than or equal to 50mm, and insulating pad (3) relies on fixture block (8) or snap ring to be fixed on the main shaft (5) after fitting with change (2);
2. use gripper chuck flange (10) cylindrical, top (7) main shaft two ends, top centre bore is adjusted the position and the elasticity of top (7), and rotary main shaft (5) with the instrument calibration on the yoke (6), is proofreaied and correct yoke (6) cylindrical;
3. finish turning thrust collar (1) small end face and thrust collar (1) and each cylindrical of slide rotor (4) polish;
4. car draw-in groove (12) will be located snap ring (9) or the positioning wedged block draw-in groove (12) of packing into, and location snap ring (9) or positioning wedged block are fixedlyed connected fine finishining thrust collar (1) large end face by securing member with thrust collar (1);
Second step: processing change
1. fixture block (8) or snap ring are unclamped, thrust collar (1), change (2), insulating pad (3) three are fitted tightly, and with the insulation securing member that the three is fastening;
2. light is seen in car change (2) outer face;
3. with pressurizing unit extrusion process is carried out to minute surface in change (2) outer face;
The 3rd step: post-processed
1. remove burr, do antirust processing, seal, the main shaft axiality is proofreaied and correct in the reading change of the rectifier on the yoke (6) simultaneously;
2. thrust collar (1), change (2), insulating pad (3) are removed from main shaft.
2. the same axis processing technique of thrust collar according to claim 1 (1) and change (2) is characterized in that: thrust collar is fixed on the main shaft by keyway or bearing pin in the first step.
3. the same axis processing technique of thrust collar according to claim 1 (1) and change (2) is characterized in that: in the first step by manual or motor-driven mode rotary main shaft.
4. the same axis processing technique of thrust collar according to claim 1 (1) and change (2) is characterized in that: the run-out tolerance of described yoke (6) cylindrical is less than or equal to 0.02mm.
5. the same axis processing technique of thrust collar according to claim 4 (1) and change (2) is characterized in that: little head end leaves the allowance of 0.5～1mm during car thrust collar (1) small end face in the first step.
6. the same axis processing technique of thrust collar according to claim 5 (1) and change (2) is characterized in that: in the first step car thrust collar (1) and slide rotor (4) outside each bowlder leave the allowance of 0.2～0.3mm earlier.
7. the same axis processing technique of thrust collar according to claim 6 (1) and change (2) is characterized in that: the thickness that change (2) outer face is gone by car in second step is more than or equal to 0.1mm and be less than or equal to 0.2mm.
8. the same axis processing technique of thrust collar according to claim 7 (1) and change (2), it is characterized in that: upward thrust collar (1), change (2) and the corresponding installation site of insulating pad (3) make marks respectively at main shaft (5) before the main shaft dismounting with thrust collar (1), change (2), insulating pad (3) in the 3rd step, and make on thrust collar (1), change (2) and the insulating pad (3) with main shaft on the mark that is complementary of installation site, be processed into permanent marks with making marks on thrust collar (1), change (2), the insulating pad (3) after pulling down.
9. the same axis processing technique of thrust collar according to claim 8 (1) and change (2) is characterized in that: thrust collar (1), change (2), insulating pad (3) are made marks on thrust collar (1), change (2), insulating pad (3) from main shaft dismounting back play steel seal or cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102126415A CN101913056B (en) | 2010-06-29 | 2010-06-29 | Process for coaxially processing thrust collar and rotary ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102126415A CN101913056B (en) | 2010-06-29 | 2010-06-29 | Process for coaxially processing thrust collar and rotary ring |
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| Publication Number | Publication Date |
|---|---|
| CN101913056A true CN101913056A (en) | 2010-12-15 |
| CN101913056B CN101913056B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102126415A Expired - Fee Related CN101913056B (en) | 2010-06-29 | 2010-06-29 | Process for coaxially processing thrust collar and rotary ring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567719A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Swivel forging method |
| CN107398746A (en) * | 2017-09-22 | 2017-11-28 | 重庆江增船舶重工有限公司 | A kind of cutting tool and processing method of nozzle outer shroud |
| CN115255809A (en) * | 2022-06-24 | 2022-11-01 | 杭州前进齿轮箱集团股份有限公司 | Machining and assembling method of thrust head assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011748A (en) * | 2007-02-08 | 2007-08-08 | 四川东风电机厂有限公司 | Method of processing through flow turbine entrance bucket axle journal |
| CN201303265Y (en) * | 2008-11-28 | 2009-09-02 | 周少华 | Sliding bearing insulation device for vertical motor |
| CN201437755U (en) * | 2009-06-04 | 2010-04-14 | 水利部杭州机械设计研究所 | Thrust head of water turbine power generating set |
-
2010
- 2010-06-29 CN CN2010102126415A patent/CN101913056B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011748A (en) * | 2007-02-08 | 2007-08-08 | 四川东风电机厂有限公司 | Method of processing through flow turbine entrance bucket axle journal |
| CN201303265Y (en) * | 2008-11-28 | 2009-09-02 | 周少华 | Sliding bearing insulation device for vertical motor |
| CN201437755U (en) * | 2009-06-04 | 2010-04-14 | 水利部杭州机械设计研究所 | Thrust head of water turbine power generating set |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567719A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Swivel forging method |
| CN107398746A (en) * | 2017-09-22 | 2017-11-28 | 重庆江增船舶重工有限公司 | A kind of cutting tool and processing method of nozzle outer shroud |
| CN115255809A (en) * | 2022-06-24 | 2022-11-01 | 杭州前进齿轮箱集团股份有限公司 | Machining and assembling method of thrust head assembly |
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| Publication number | Publication date |
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| CN101913056B (en) | 2012-06-27 |
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