KR101632586B1 - blade ring alignment adjust supporter - Google Patents

blade ring alignment adjust supporter Download PDF

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Publication number
KR101632586B1
KR101632586B1 KR1020150147338A KR20150147338A KR101632586B1 KR 101632586 B1 KR101632586 B1 KR 101632586B1 KR 1020150147338 A KR1020150147338 A KR 1020150147338A KR 20150147338 A KR20150147338 A KR 20150147338A KR 101632586 B1 KR101632586 B1 KR 101632586B1
Authority
KR
South Korea
Prior art keywords
pedestal
support plate
blade ring
support
flange portion
Prior art date
Application number
KR1020150147338A
Other languages
Korean (ko)
Inventor
김진만
김화유
황호남
김중래
김내현
안진홍
Original Assignee
한국플랜트서비스주식회사
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 한국플랜트서비스주식회사 filed Critical 한국플랜트서비스주식회사
Priority to KR1020150147338A priority Critical patent/KR101632586B1/en
Application granted granted Critical
Publication of KR101632586B1 publication Critical patent/KR101632586B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/80—Repairing, retrofitting or upgrading methods

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to a support structure for a blade ring alignment adjustment of a new structure capable of easily adjusting alignment of a blade ring during maintenance of the blade ring.
The support ring for adjusting the blade ring alignment according to the present invention is fixed to the circumferential surface of the flange portion 1b so that the worker pushes the outer ring body 1 to move the entire blade ring, The height of the seat cushion 20 can be adjusted by manipulating the height adjusting means 30 so that the outer ring body 1 or the upper and lower bodies 1c, 1c, and 1d can be precisely adjusted. Therefore, maintenance of the blade ring is very easy.
Particularly, there is no need to use a crane after connecting the support member according to the present invention to the flange portion 1b, which is advantageous in that the utilization of the crane can be improved.

Description

[0001] The present invention relates to a blade ring alignment adjust supporter,

The present invention relates to a support structure for a blade ring alignment adjustment of a new structure capable of easily adjusting alignment of a blade ring during maintenance of the blade ring.

1 and 2, a blade ring used in a turbine of a gas power plant generally includes an outer ring body 1, a plurality of vanes 2 arranged in a ring shape on the inner peripheral surface of the outer ring body 1, And an inner ring body 3 provided on an inner circumferential surface of the vane 2.

At this time, the outer ring body 1 is composed of a ring body 1a having a short end shape and a pair of flange portions 1b extending outward from both ends of the ring body 1a.

The outer ring body 1 is divided into semicircular upper and lower bodies 1c and 1d by dividing lines in the radial direction so that the upper and lower bodies 1c and 1d are joined to each other to form an outer ring body 1 can be assembled.

The structure of such a blade ring is described in detail in a number of prior documents including Patent No. 10-0819401, and a detailed description of the blade ring will be omitted.

Meanwhile, when the blade ring is to be maintained, the blade ring should be dismantled and assembled by being laid down on the pedestal or the wooden block 4 disposed on the floor surface.

In order to disassemble and reassemble the upper and lower bodies 1c and 1d of the blade ring, the lateral position and the vertical height of the upper and lower bodies 1c and 1d must be precisely controlled. However, In the state where the blade ring is simply placed on the upper surface of the pedestal 10 or the wooden block, there is a problem that it is difficult to precisely adjust the lateral position and the vertical height of the upper and lower bodies 1c and 1d.

Therefore, when the upper and lower bodies 1c and 1d are assembled together, the upper and lower bodies 1c and 1d are lifted by using a crane.

However, in such a case, it is impossible to assemble the upper and lower bodies 1c and 1d in a place where there is no crane, and a long time crane must be used, resulting in a problem that utilization of the crane is lowered.

Therefore, there is a need for a new method to solve such a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a support ring for adjusting a blade ring alignment, which can easily adjust the alignment of a blade ring during maintenance of the blade ring.

According to an aspect of the present invention, there is provided a ring body including: a ring body having a short-end shape and a pair of flange portions extending outward from both ends of the ring body; A pedestal 10 provided with a support wheel 12 on a lower side thereof for supporting a ring ring 1 provided with a ring body 1 and a lower peripheral edge portion 12a provided on the upper side of the pedestal 10, And a height adjusting means 30 connecting the pedestal 10 and the pedestal 20 to adjust the height of the pedestal 20, wherein the pedestal 20 Is provided with a lower support plate 21 for supporting the lower side surface of the flange portion 1b and a side support plate 21 extending upward from the circumferential surface of the lower support plate 21 to support the outer peripheral surface of the flange portion 1b. An extension plate 23 extending from the side support plate 22 to the upper side of the lower support plate 21, Are combined so as to extend toward the blade ring alignment adjustment support comprises a fixing bolt 24 for pressing lock the upper surface of the flange part (1b) carried by the lower support plate 21 to the lower side is provided.

According to another aspect of the present invention, the height adjusting means 30 includes a lower support tube 31 extending upward from the upper surface of the pedestal 10, and a lower support pipe 31 extending downward from the lower surface of the lower support plate 21 And a screw shaft 33 which is vertically extended and whose upper and lower ends are screwed to the lower support tube 31 and the upper support tube 32 respectively. Upper and lower threads 33b and 33c are screwed to the lower support tube 31 and the upper support tube 32. The upper and lower threads 33b and 33c are formed in opposite directions A support for adjusting the blade ring alignment is provided.

According to another aspect of the present invention, there is provided a support for adjusting the blade ring alignment, wherein the side support plate (22) is rounded to correspond to the outer diameter of the flange portion (1b).

The support ring for adjusting the blade ring alignment according to the present invention comprises a pedestal 10 provided with a support wheel 12 on a lower side thereof and a support ring 10 provided on the pedestal 10 for supporting a lower circumferential surface of the flange portion 1b And a height adjusting means 30 connecting the pedestal 10 and the pedestal 20 to adjust the height of the pedestal 20, A side support plate 22 extending upward from the peripheral surface of the lower support plate 21 and supporting the outer peripheral surface of the flange portion 1b, An extension plate 23 extending from the side support plate 22 to the upper side of the lower support plate 21 so as to extend upwardly and downwardly to the extension plate 23, (Not shown).

Therefore, when the operator pushes the outer ring body 1 to move the entire position of the blade ring in a state where the support base is engaged with the peripheral surface of the flange portion 1b, The height of the seat cushion 20 can be adjusted by operating the height adjusting means 30 so that the outer ring body 1 or the upper and lower bodies 1c and 1d The height of the blade ring can be precisely adjusted. Therefore, maintenance of the blade ring is very easy.

1 is a plan view showing a general blade ring,
2 is a side view showing a general blade ring,
3 is a front view showing the support ring for adjusting the blade ring alignment according to the present invention,
4 is a side sectional view showing a support ring for adjusting the blade ring alignment according to the present invention,
FIG. 5 is a plan view showing a seat of a support for adjustment of a blade ring alignment according to the present invention,
6 and 7 are reference views for explaining the operation of the support for adjusting the blade ring alignment according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 to 7 show a support ring for adjusting the blade ring alignment according to the present invention, wherein the blade ring comprises an outer ring body 1 and a plurality of vanes 2 And the inner ring body 3 provided on the inner circumferential surface of the vane 2 are the same as in the prior art.

At this time, the outer ring body 1 is composed of a ring body 1a having a short end shape and a pair of flange portions 1b extending outward from both ends of the ring body 1a.

The outer ring body 1 is configured to be divided into semicircular upper and lower bodies 1c and 1d by dividing lines in the radial direction.

According to the present invention, the support ring for adjusting the blade ring alignment is provided with a pedestal 10 provided with a support wheel 12 on the lower side thereof, and a pedestal 10 provided on the pedestal 10, And a height adjusting means 30 connecting the pedestal 10 and the pedestal 20 to adjust the height of the pedestal 20.

In detail, the pedestal 10 is formed in the form of a square block of a metal material, and support bars 11 extending in the front-rear direction are provided at both ends of the lower side.

The support wheels 12 are provided on the lower and rear sides of the support bars 11 so as to be freely movable.

The seat cushion 20 includes a lower support plate 21 for supporting a lower side surface of the flange portion 1b and a flange portion 1b extending upward from the peripheral surface of the lower support plate 21, An extension plate 23 extending upward from the lower support plate 21 in the side support plate 22 and extending upwardly and downwardly to the extension plate 23, And a fixing bolt 24 for press-fixing the upper surface of the flange portion 1b supported by the lower support plate 21 downward.

5, the side support plate 22 is roundly bent to correspond to the outer diameter of the flange portion 1b, and the lower support plate 21 is fixed to the lower side of the flange portion 1b The side support plate 22 is brought into close contact with the outer surface of the flange portion 1b.

The height adjusting means 30 includes a lower supporting tube 31 extending upward from the upper surface of the pedestal 10, an upper supporting tube 32 extending downward from a lower side of the lower supporting plate 21, And a screw shaft 33 extending upward and downward, the upper and lower ends of which are screwed to the lower support tube 31 and the upper support tube 32, respectively.

The screw shaft 33 is provided with a handle member 33a at an intermediate portion thereof so that an operator can rotate the handle member 33a to rotate the screw shaft 33 in the forward and reverse directions.

Upper and lower threads 33b and 33c are screwed to the lower support tube 31 and the upper support tube 32 at upper and lower ends of the screw shaft 33, respectively.

At this time, the upper and lower threads 33b and 33c are formed in opposite directions.

That is, the upper thread 33b is constituted by a right screw and the lower thread 33c is constituted by a left screw. When the operator rotates the handle member 33a clockwise, the seat 20 is raised, When the handle member 33a is rotated counterclockwise, the seat 20 is lowered.

A method of maintaining the blade ring by using the support bracket constructed as described above will be described as follows.

6 and 7, the flange portion 1b is inserted between the lower support plate 21 and the fixing bolt 24 in a state in which the blade ring is lifted using a crane, And the lower support plate 21 is brought into close contact with the lower side surface of the flange portion 1b by rotating the handle member 33a and then the fixing bolt 24 is tightened, As shown in Fig.

At this time, as shown in Fig. 6, a plurality of the support members are coupled to the flange portion 1b so as to be spaced apart from each other by a predetermined distance.

When the support is coupled, the connection of the crane is released so that the blade ring is supported by the support.

Then, the support ring body is laterally pushed to divide the upper and lower bodies 1c and 1d in a state where the support rods are engaged, and maintenance such as replacement of the vane 2 is performed, The body 1c, 1d can be pushed again in the adjacent direction to reassemble the supporting body.

The supporting ring for adjusting the blade ring alignment thus constructed is provided with a pedestal 10 provided with a support wheel 12 on the lower side thereof and a seat 10 provided on the pedestal 10 for supporting the lower circumferential surface of the flange portion 1b And a height adjusting means 30 connecting the pedestal 10 and the pedestal 20 to adjust the height of the pedestal 20, A side support plate 22 extending upward from the peripheral surface of the lower support plate 21 and supporting an outer peripheral surface of the flange portion 1b, An extension plate 23 extending upward from the side support plate 22 to extend upward from the lower support plate 21 and connected to the extension plate 23 so as to extend in the up and down direction to guide the upper surface of the flange portion 1b downward And a fixing bolt 24 for pressing.

Therefore, when the operator pushes the outer ring body 1 to move the entire position of the blade ring in a state where the support base is engaged with the peripheral surface of the flange portion 1b, The height of the seat cushion 20 can be adjusted by operating the height adjusting means 30 so that the outer ring body 1 or the upper and lower bodies 1c and 1d The height of the blade ring can be precisely adjusted. Therefore, maintenance of the blade ring is very easy.

Particularly, there is no need to use a crane after connecting the support member according to the present invention to the flange portion 1b, which is advantageous in that the utilization of the crane can be improved.

The height adjusting means 30 includes a lower supporting tube 31 extending upward from the upper surface of the pedestal 10 and an upper supporting tube 32 extending downward from a lower surface of the lower supporting plate 21. [ And a screw shaft 33 extending upward and downward and having upper and lower ends threadedly engaged with the lower support tube 31 and the upper support tube 32. Upper and lower ends of the screw shaft 33, The upper and lower side threads 33b and 33c are screwed to the upper and lower support tubes 31 and 32. The upper and lower side threads 33b and 33c are formed in mutually opposite directions, The height of the seat cushion 20 can be adjusted by rotating the seat cushion 33.

Accordingly, it is possible to easily adjust the height of the seat 20 and precisely adjust the height of the seat 20.

The side support plate 22 is bent roundly corresponding to the outer diameter of the flange portion 1b so that the side support plate 22 is fixed to the outer peripheral surface of the flange portion 1b, When the bolt 24 is tightened, there is an advantage that the seat 20 is firmly fixed to the periphery of the flange portion 1b.

10. Stand 20. Seat
30. Height adjusting means

Claims (3)

(1) comprising a ring main body (1a) formed in the shape of a short tube having a short length and a pair of flange portions (1b) extending outward from both ends of the ring main body A pedestal 10 provided with a support wheel 12 on a lower side thereof, a seating table 20 provided above the pedestal 10 and supporting a lower circumferential surface of the flange 1b, And a height adjusting means (30) for connecting the pedestal (10) and the pedestal (20) to adjust the height of the pedestal (20)
The seat (20)
A lower support plate 21 for supporting a lower surface of the flange portion 1b,
A side support plate 22 extending upward from a circumferential surface of the lower support plate 21 to support an outer circumferential surface of the flange portion 1b,
An extension plate 23 extending from the side support plate 22 to the upper side of the lower support plate 21,
And a fixing bolt (24) coupled to the extension plate (23) so as to extend in the up and down direction and press down the upper surface of the flange part (1b) supported by the lower support plate (21)
The side support plate 22 is roundly bent so as to correspond to the outer diameter of the flange portion 1b,
The height adjusting means (30)
A lower support tube 31 extending upward from the upper surface of the pedestal 10,
An upper support tube 32 extending downward from a lower side of the lower support plate 21,
And a screw shaft (33) extending upward and downward, the upper and lower ends of which are screwed to the lower support tube body (31) and the upper support tube body (32), respectively,
Upper and lower threads 33b and 33c are formed at the upper and lower ends of the screw shaft 33 and screwed to the lower support tube 31 and the upper support tube 32. The upper and lower threads 33b and 33c, Are formed in opposite directions to each other. delete delete
KR1020150147338A 2015-10-22 2015-10-22 blade ring alignment adjust supporter KR101632586B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150147338A KR101632586B1 (en) 2015-10-22 2015-10-22 blade ring alignment adjust supporter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150147338A KR101632586B1 (en) 2015-10-22 2015-10-22 blade ring alignment adjust supporter

Publications (1)

Publication Number Publication Date
KR101632586B1 true KR101632586B1 (en) 2016-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150147338A KR101632586B1 (en) 2015-10-22 2015-10-22 blade ring alignment adjust supporter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200125022A (en) * 2019-04-25 2020-11-04 옵티멀에너지서비스 주식회사 Impeller-shaft support assembly and transportation system for transporting the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020015408A (en) * 2000-08-22 2002-02-28 이세원 Jack support height adjusting supports
JP2002371805A (en) * 2001-06-19 2002-12-26 Mitsubishi Heavy Ind Ltd Jig for attaching/detaching stationary blade
KR20130073572A (en) * 2011-12-23 2013-07-03 대우조선해양 주식회사 Lifting apparatus for mounting of anode
KR20140035587A (en) * 2012-09-14 2014-03-24 원덕연 Structure for fixing access floor panel on the support

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020015408A (en) * 2000-08-22 2002-02-28 이세원 Jack support height adjusting supports
JP2002371805A (en) * 2001-06-19 2002-12-26 Mitsubishi Heavy Ind Ltd Jig for attaching/detaching stationary blade
KR20130073572A (en) * 2011-12-23 2013-07-03 대우조선해양 주식회사 Lifting apparatus for mounting of anode
KR20140035587A (en) * 2012-09-14 2014-03-24 원덕연 Structure for fixing access floor panel on the support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200125022A (en) * 2019-04-25 2020-11-04 옵티멀에너지서비스 주식회사 Impeller-shaft support assembly and transportation system for transporting the same
KR102192636B1 (en) * 2019-04-25 2020-12-17 옵티멀에너지서비스 주식회사 Impeller-shaft support assembly and transportation system for transporting the same

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