CN204603382U - A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe - Google Patents

A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe Download PDF

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Publication number
CN204603382U
CN204603382U CN201520177945.0U CN201520177945U CN204603382U CN 204603382 U CN204603382 U CN 204603382U CN 201520177945 U CN201520177945 U CN 201520177945U CN 204603382 U CN204603382 U CN 204603382U
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CN
China
Prior art keywords
rotor
impeller
processing tool
balance pipe
steam turbine
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
Application number
CN201520177945.0U
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Chinese (zh)
Inventor
程相振
李飞飞
秦文
张秀超
王宏波
柴天涛
刘斌
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.)
CITIC Heavy Industries Co Ltd
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CITIC Heavy Industries 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 CITIC Heavy Industries Co Ltd filed Critical CITIC Heavy Industries Co Ltd
Priority to CN201520177945.0U priority Critical patent/CN204603382U/en
Application granted granted Critical
Publication of CN204603382U publication Critical patent/CN204603382U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe, relate to a kind of processing tool, comprise rotor (4) and impeller (10), the spaced impeller of multi-disc is provided with at the middle part of rotor, casing (1) is respectively equipped with in the bottom, two ends of rotor, bearing block (2) is all fixed with on the top of casing, bearing shell (3) is equipped with in bearing block, gripper shoe (6) is provided with in the outside of head end impeller, the lateral surface of end impeller is fixed with annular bit template (8), is equipped with the nut (5) of tie down screw in the outside of gripper shoe and bushing plate; The utility model is by being fixed in the bearing block of band semicircular tile by rotor, bushing plate is provided with in the side of end rotor, and drill bushing hole is set on bushing plate, drill bushing is arranged in drill bushing hole, use drill bit can hole to end rotor, lengthening drill bit just can complete the boring work from end to head end multi-disc impeller.

Description

A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe
Technical field
The utility model relates to a kind of processing tool, especially relates to a kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe.
Background technology
Known, 2 ~ 50,000 kilowatts of High temperature and High pressure Steam Turbine are all the version of employing half integral rotor, and the balance pipe processing of half integral rotor is a procedure comparatively crucial in rotor machining, rotor is always about about 6 meters, five string Φ 50H11 through holes are had on 14 impellers that length is about 2M, the both ends of the surface in each hole all need to pour out smooth R5 angle, five string hole site precision and the machining accuracy of itself all require higher, and first impeller does not have balance pipe, forwardly can only process from back, therefore cannot process on drilling machine at all; And traditional processing method is all transform specially more than 8M horizontal lathe, meet the processing problems of High temperature and High pressure Steam Turbine half integral rotor balance pipe, this method improvement expenses is generally more than 500,000, costly, therefore propose a kind of cost-saving and ensure the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe of machining accuracy, become the basic demand of those skilled in the art.
Summary of the invention
In order to overcome the deficiency in background technology, the utility model discloses a kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe, by rotor being fixed in the bearing block of band semicircular tile, bushing plate is provided with in the side of end rotor, and drill bushing hole is set on bushing plate, drill bushing is arranged in drill bushing hole, use drill bit can hole to end rotor, lengthening drill bit just can complete the boring work from end to head end multi-disc impeller, achieve structure simple, and save the object of a large amount of improvement cost.
In order to realize described goal of the invention, the utility model adopts following technical scheme:
A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe, comprise rotor and impeller, the spaced impeller of multi-disc is provided with at the middle part of rotor, casing is respectively equipped with in the bottom, two ends of rotor, all bearing block is fixed with on the top of casing, bearing shell is equipped with in bearing block, the two ends of rotor are each passed through bearing shell and are fixed in bearing block, gripper shoe is provided with in the outside of head end impeller, the lateral surface of end impeller is fixed with annular bit template, the two ends of screw rod are separately positioned in the screwed hole of gripper shoe and bushing plate, the nut of tie down screw is equipped with in the outside of gripper shoe and bushing plate.
The processing tool of described High temperature and High pressure Steam Turbine half integral rotor balance pipe, described casing is square or circular contour casing.
The processing tool of described High temperature and High pressure Steam Turbine half integral rotor balance pipe, the bearing block being arranged on two ends of rotor is contour and arranges with one heart.
The processing tool of described High temperature and High pressure Steam Turbine half integral rotor balance pipe, is provided with drill bushing hole between the screwed hole and endoporus of bushing plate.
The processing tool of described High temperature and High pressure Steam Turbine half integral rotor balance pipe, is provided with drill bushing in drill bushing hole.
The processing tool of described High temperature and High pressure Steam Turbine half integral rotor balance pipe, the setting corresponding with the screwed hole on bushing plate of described gripper shoe.
Owing to have employed technique scheme, the utility model has following beneficial effect:
1, the utility model is by being fixed in the bearing block of band brasses by rotor, bushing plate is provided with in the side of end rotor, and drill bushing hole is set on bushing plate, drill bushing is arranged in drill bushing hole, use drill bit can hole to end rotor, lengthening drill bit just can complete the boring work from end to head end multi-disc impeller, and structure is simple, and has saved a large amount of improvement cost.
2, the utility model is by being fixed on rotor in the bearing block of the band brasses arranged with one heart, and by screw rod and nut fixed support plate, ensure that the stability at boring procedure rotor, thus ensure that borehole accuracy.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: 1, casing; 2, bearing block; 3, bearing shell; 4, rotor; 5, nut; 6, gripper shoe; 7, screw rod; 8, bushing plate; 9, drill bushing; 10, impeller.
Detailed description of the invention
By explanation the utility model that the following examples can be detailed, open the purpose of this utility model is intended to protect all technological improvements within the scope of the utility model.
The processing tool of the High temperature and High pressure Steam Turbine half integral rotor balance pipe by reference to the accompanying drawings described in 1, comprise rotor 4 and impeller 10, be provided with the spaced impeller 10 of multi-disc at the middle part of rotor 4, be respectively equipped with casing 1 in the bottom, two ends of rotor 4, described casing 1 is square or circular contour casing; All be fixed with bearing block 2 on the top of casing 1, be equipped with bearing shell 3 in bearing block 2, the two ends of rotor 4 are each passed through bearing shell 3 and are fixed in bearing block 2, and the bearing block 2 being arranged on rotor 4 two ends is for contour and arrange with one heart; Annular backup pad 6 is provided with in the outside of head end impeller 10, the lateral surface of end impeller 10 is fixed with annular bit template 8, the two ends of screw rod 7 are separately positioned on gripper shoe 6 with in the screwed hole of bushing plate 8, the setting corresponding with the screwed hole on bushing plate 8 of described gripper shoe 6; Drill bushing hole 11 is provided with between the screwed hole and endoporus 12 of bushing plate 8; Drill bushing 9 is provided with in drill bushing hole 11; The nut 5 of tie down screw 7 is equipped with in gripper shoe 6 and the outside of bushing plate 8.
Implement the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe described in the utility model, in use, two contour casing 1 intervals are lain on the platform of floor type boring machine, the lower seat of bearing block 2 is placed on contour casing 1 top, bearing shell 3 is placed in the lower seat of bearing block 2, the two ends of rotor 4 are placed in the bearing shell 3 of band bearing block 2 respectively, again the upper flap of bearing block 2 is pressed on lower seat, the axle journal of centering rotor 4 and the end face of impeller 10, annular backup pad 6 is provided with in the outside of head end impeller 10, the lateral surface of end impeller 10 is fixed with annular bit template 8, the two ends of screw rod 7 are separately positioned on gripper shoe 6 with in the screwed hole of bushing plate 8, drill bushing hole 11 is provided with between the screwed hole and endoporus 12 of bushing plate 8, drill bushing 9 is provided with in drill bushing hole 11, the omnipotent calibration milling head be arranged on boring machine is connected with drill bit, drill bit bores balance pipe by the centre bore of drill bushing 9 on end impeller 10, then lengthening drill bit drills and reams respectively balance pipe successively on end impeller 10 to head end impeller 10, change chamfering knife bar afterwards, use the positive and negative circular arc blade of R5, fall the circular arc chamfering of each balance pipe successively, thus complete the processing of the first string balance pipe on impeller 10, then the angle of rotor 4 completes residue 4 and goes here and there the processing of balance pipe.
The non-detailed portion of the utility model is prior art.

Claims (6)

1. the processing tool of a High temperature and High pressure Steam Turbine half integral rotor balance pipe, comprise rotor (4) and impeller (10), it is characterized in that: be provided with the spaced impeller of multi-disc (10) at the middle part of rotor (4), casing (1) is respectively equipped with in the bottom, two ends of rotor (4), bearing block (2) is all fixed with on the top of casing (1), bearing shell (3) is equipped with in bearing block (2), the two ends of rotor (4) are each passed through bearing shell (3) and are fixed in bearing block (2), gripper shoe (6) is provided with in the outside of head end impeller (10), the lateral surface of end impeller (10) is fixed with annular bit template (8), the two ends of screw rod (7) are separately positioned on gripper shoe (6) with in the screwed hole of bushing plate (8), the nut (5) of tie down screw (7) is equipped with in gripper shoe (6) and the outside of bushing plate (8).
2. the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe according to claim 1, is characterized in that: described casing (1) is square or circular contour casing.
3. the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe according to claim 1, is characterized in that: the bearing block (2) being arranged on rotor (4) two ends is for contour and arrange with one heart.
4. the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe according to claim 1, is characterized in that: between the screwed hole and endoporus (12) of bushing plate (8), be provided with drill bushing hole (11).
5. the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe according to claim 4, is characterized in that: in drill bushing hole (11), be provided with drill bushing (9).
6. the processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe according to claim 1, is characterized in that: described gripper shoe (6) and the corresponding setting of screwed hole on bushing plate (8).
CN201520177945.0U 2015-03-27 2015-03-27 A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe Expired - Fee Related CN204603382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520177945.0U CN204603382U (en) 2015-03-27 2015-03-27 A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520177945.0U CN204603382U (en) 2015-03-27 2015-03-27 A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe

Publications (1)

Publication Number Publication Date
CN204603382U true CN204603382U (en) 2015-09-02

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ID=53955968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520177945.0U Expired - Fee Related CN204603382U (en) 2015-03-27 2015-03-27 A kind of processing tool of High temperature and High pressure Steam Turbine half integral rotor balance pipe

Country Status (1)

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CN (1) CN204603382U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105499629A (en) * 2016-01-20 2016-04-20 江苏金通灵流体机械科技股份有限公司 Turbine rotor disk balance hole machining method and machining tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105499629A (en) * 2016-01-20 2016-04-20 江苏金通灵流体机械科技股份有限公司 Turbine rotor disk balance hole machining method and machining tool

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C14 Grant of patent or utility model
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: 20150902

Termination date: 20200327