CN218018355U - Rotor supporting tool for axial flow compressor - Google Patents
Rotor supporting tool for axial flow compressor Download PDFInfo
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- CN218018355U CN218018355U CN202222213104.3U CN202222213104U CN218018355U CN 218018355 U CN218018355 U CN 218018355U CN 202222213104 U CN202222213104 U CN 202222213104U CN 218018355 U CN218018355 U CN 218018355U
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- supporting platform
- bottom plate
- supporting
- rotor
- upright post
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Abstract
The utility model relates to a support frock, concretely relates to a rotor support frock for axial compressor, the rotor that exists returns the factory for solving among the prior art and overhauls the time equipment support intensity low, and the rotor has the weak point that sinks to lead to unable satisfying the blade clearance requirement. The utility model discloses a rotor support tool for an axial flow compressor, which comprises a bottom plate, a plurality of stand columns, a support platform and a support seat arranged on the support platform; the supporting platform is arranged in parallel with the bottom plate, one end of each of the stand columns is fixed on the bottom plate, the other end of each of the stand columns penetrates through the through hole of the supporting platform, the supporting platform can move along the axial direction of the stand column, the stand columns are stepped, the end parts of the stand columns are provided with limiting cover plates, and two long grooves are arranged in parallel on the surface of the supporting platform, far away from the bottom plate; the surface of the supporting seat, which is far away from the supporting platform, is provided with a V-shaped groove for supporting the rotor, the supporting seat can move along the direction of the long groove, and two sides of the supporting seat are respectively provided with a limiting adjusting unit.
Description
Technical Field
The utility model relates to a support frock, concretely relates to rotor support frock for axial compressor.
Background
The axial compressor is a universal equipment, can be extensively used in various industries of metallurgy, oil refining chemical industry and pharmacy, and is mainly used for providing medium energy sources of air and others for smelting blast furnace and catalytic cracking equipment, and is mainly formed from machine shell, regulating cylinder, bearing cylinder, rotor and servo motor.
The moving blades are arranged on the rotor, the static blades are arranged on the bearing cylinder, and the gas medium is compressed to the process requirement in a mode of converting mechanical energy into kinetic energy by acting of the moving and static blades of the compressor.
The moving and static blades as core functional components of the unit are always required to be inspected in equipment maintenance, wherein the inspection of the final clearance after the moving and static blades are assembled is a very important work. However, in consideration of the inconvenience of returning the casing to the factory, a plurality of units are overhauled, and only the rotor and the bearing cylinder are returned to the equipment factory for blade replacement or other overhaul.
The blade repairing machine is not supported by a shell, the index requirement of the gap between the moving blade and the static blade is higher, and the blade repairing machine cannot completely ensure that the gap between the moving blade and the static blade meets the requirement only by processing according to the theoretical size, so that a rotor supporting tool needs to be manufactured to replace the shell to support the rotor, the blade repairing machine is convenient to complete the final qualified gap requirement of the moving blade and the static blade; with the large-scale equipment, rotor supporting tools of rotors of large-scale units such as AV140 and the like do not exist at present, the large-scale units have certain requirements on the structure, strength and the like of a pressure gap supporting tool, the supporting strength of the prior art scheme is low, and the rotors sink.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the rotor that exists among the prior art and returning the factory to overhaul the time equipment support intensity low, the rotor has the weak point that sinks to lead to unable satisfying the blade clearance requirement, and provides a rotor support frock for axial compressor.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a rotor supports frock for axial compressor which characterized in that: the device comprises a bottom plate, a plurality of stand columns, a supporting platform and a supporting seat arranged on the supporting platform;
the bottom plate is provided with a plurality of threaded holes, and a plurality of adjusting bolts are correspondingly arranged and used for assisting in adjusting the level of the rotor through adjusting the state of the bottom plate;
the supporting platform is arranged in parallel with the bottom plate, a plurality of through holes are formed in the periphery of the supporting platform, one ends of the stand columns are fixed on the bottom plate, and the other ends of the stand columns penetrate through the through holes of the supporting platform respectively; two long grooves are arranged on the surface of the supporting platform far away from the bottom plate in parallel;
the supporting seat is arranged on one side, away from the bottom plate, of the supporting platform, a V-shaped groove is formed in the surface, away from the supporting platform, of the supporting seat and used for supporting the rotor, the bottom of the supporting seat is matched with the long groove, the supporting seat can move along the direction of the long groove, and the moving direction is perpendicular to the axial direction of the rotor; the two sides of the supporting seat are respectively provided with a limiting and adjusting unit for limiting the movement distance of the supporting seat and adjusting and fixing the position of the supporting seat
And a driving unit is arranged between the supporting platform and the bottom plate and used for driving the supporting platform to axially move along the upright post, and the supporting platform is provided with a fastener used for fixing the relative position of the supporting platform and the upright post when the supporting platform stops moving.
Furthermore, the upright post is arranged in a step shape, the position of the upright post close to the bottom plate is a large-diameter section, the part of the upright post far away from the bottom plate is a small-diameter section, and the supporting platform is sleeved on the small-diameter section;
the stand is kept away from the one end of bottom plate and is set up spacing apron, and the diameter of spacing apron is greater than supporting platform the diameter of through-hole.
Further, the driving unit is provided as a screw jack; the supporting platform is provided with a connecting piece at the central position of the surface close to the bottom plate, and the top plate of the screw jack is tightly attached to the connecting piece.
The connecting piece and the supporting platform are integrally arranged, and the top plate of the screw jack directly acts on the supporting platform, so that the supporting platform is guaranteed to be stressed stably, and the supporting platform is prevented from deforming or inclining due to uneven stress.
Furthermore, the upright post is fixedly connected with the bottom plate through a flange; flange fixed connection has the fastening effect, and when the atress was uneven, made the stand slope lead to supporting platform levelness not enough, accessible fastening or adjustment flange guaranteed supporting platform's levelness.
Furthermore, the limiting and adjusting unit comprises a clamping block fixed on the supporting platform and a second jackscrew which penetrates through the clamping block and is in threaded connection with the clamping block;
the clamping block is perpendicular to the long groove;
when the second jackscrew is screwed, one end of the second jackscrew is abutted to the end face of the supporting seat.
Furthermore, the long groove is a T-shaped groove, and the support seat is matched with the T-shaped groove through a T-shaped bolt so that the support seat can slide along the long groove;
the side of supporting platform all is provided with two fasteners along same stand axial.
Further, the fastener comprises a first jackscrew which penetrates through the side face of the supporting platform, is in threaded connection with the supporting platform and is perpendicular to the stand column; the side face of the upright post relative to the first jackscrew is arranged to be a plane, and when the first jackscrew is screwed tightly, one end of the first jackscrew is abutted to the plane of the side face of the upright post.
Furthermore, two inclined planes of the V-shaped groove of the supporting seat are fixedly provided with polytetrafluoroethylene plates, so that damage to the shaft neck of the rotor caused by collision is avoided.
Furthermore, a plurality of lifting rings are arranged on the bottom plate and positioned on the periphery of the upright column and used for lifting the tool;
and a plurality of U-shaped grooves are formed in the side surface of the bottom plate and used for fixing the position of the bottom plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses set up the drive unit and be used for driving supporting platform along stand axial motion, place axial compressor's rotor through the V type groove of supporting seat, set up long recess on the supporting platform for the supporting seat can be followed long recess direction and moved, and spacing the supporting seat in the direction of perpendicular long recess, consequently can adjust the rotor position in multiple directions, thereby realize the adjustment to the blade clearance in the maintenance process; the V-shaped groove of the supporting seat has no limit to the diameter of the rotor, is suitable for the rotors of axial flow compressors with different specifications, and solves the problems that the equipment is not supported or the supporting strength is not enough when the rotor returns to a factory for maintenance.
2. The utility model discloses a bottom plate sets up a plurality of adjusting bolt for the state through adjusting the bottom plate assists adjusts the rotor level.
3. The utility model discloses the step stand and the spacing apron that set up are used for limiting supporting platform along stand axial movement distance, provide effectual biggest and minimum relative stroke to guarantee frock safe in utilization, simultaneously through setting up a plurality of fasteners, fixed supporting platform's position.
4. The utility model discloses the spacing regulating unit who sets up for the limiting support seat is along the movement distance of long recess, and can adjust and the position of fixed support seat.
5. The utility model discloses set up the connecting piece with supporting platform an organic whole, screw jack's top dish is hugged closely the connecting piece is equivalent to direct action on supporting platform, guarantees that the supporting platform atress is stable, avoids because the atress is inhomogeneous makes supporting platform produce deformation or slope.
6. The utility model discloses stand and bottom plate pass through flange fixed connection, and flange fixed connection has the fastening effect, and when taking place the atress uneven, the stand slope leads to the supporting platform levelness when not enough, and accessible fastening or adjustment flange guarantee supporting platform's levelness.
7. The utility model discloses a two inclined planes in supporting seat V type groove are all fixed and are set up the polytetrafluoroethylene board, prevent the damage such as the axle journal of rotor from colliding with.
8. The utility model discloses a bottom plate sets up rings, makes things convenient for frock to lift by crane whole device; the side of bottom plate sets up a plurality of U type grooves, conveniently removes or the fixed bottom plate position.
Drawings
FIG. 1 is a front view of an embodiment of a rotor support fixture for an axial flow compressor according to the present invention;
FIG. 2 is a left side view of FIG. 1 (showing the screw jack therein);
FIG. 3 is a top view of a support platform and a support base in an embodiment of a rotor support tool for an axial flow compressor according to the present invention;
description of reference numerals:
1-upright column, 2-fixing bolt, 3-adjusting bolt, 4-bottom plate, 5-supporting platform, 6-supporting seat, 7-tightening block, 8-screw jack, 9-limiting cover plate, 10-long groove, 11-hanging ring, 12-first jackscrew, 13-connecting piece, 14-first screw hole, 15-second screw hole and 16-second jackscrew.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the utility model discloses a rotor supports frock for axial compressor, as shown in fig. 1 to fig. 3, including bottom plate 4, four stands 1, supporting platform 5 and the supporting seat 6 of setting on supporting platform 5.
The bottom plate 4 is arranged on the working platform, the adjusting bolt 3 is arranged on the bottom plate 4, in the embodiment, two threaded holes are formed in two long edges of the bottom plate 4 close to the edges and used for arranging the adjusting bolt 3, and the adjusting bolt 3 is rotated to adjust the state of the bottom plate 4 to assist in adjusting the level of the rotor;
supporting platform 5 with bottom plate 4 parallel arrangement, and be the rectangle structure, the position that is close to four corners on bottom plate 4 sets up rings 11, makes things convenient for the frock to lift by crane whole device, and the side of bottom plate 4 sets up a plurality of U type grooves, conveniently removes or the 4 positions of PMKD.
Four corners on the supporting platform 5 are provided with through holes, four upright posts 1 are correspondingly arranged on the four corners respectively, each upright post 1 is in a step shape and comprises a large-diameter section and a small-diameter section, the end part of the large-diameter section is connected with the bottom plate 4 through a fixing bolt 2 in a flange mode, the part far away from the bottom plate 4 is the small-diameter section and penetrates through the through holes respectively, the end part of the small-diameter section is provided with a limiting cover plate 9, the diameter of the limiting cover plate 9 and the diameter of the large-diameter section are both larger than the diameter of the through holes of the supporting platform 5, and the axial movement of the supporting platform 5 along the upright posts 1 is limited to the small-diameter section; in other embodiments, the bottom plate 4 and the upright 1 may be integrally disposed, but when the support platform is not level enough due to uneven stress on the upright, the support platform may be leveled by fastening or adjusting the fixing bolts 2, so that flange connection is preferred.
The upper surface of the supporting platform 5 is provided with two long grooves 10 in parallel, the long grooves 10 in the embodiment are T-shaped grooves, and the T-shaped grooves are parallel to the long edges of the supporting platform 5 and penetrate through the surface; the surface of the supporting seat 6, which is far away from the supporting platform 5, is provided with a V-shaped groove for supporting the rotor, and polytetrafluoroethylene plates are fixedly arranged on two inclined surfaces of the V-shaped groove, so that the shaft neck of the rotor is prevented from being collided and damaged in the supporting process; the support seat 6 is matched with the T-shaped groove through a T-shaped bolt, so that the support seat 6 can move along the direction of the T-shaped groove, and the moving direction is perpendicular to the axial direction of the rotor; 6 both sides of supporting seat are provided with spacing regulating unit respectively, and spacing regulating unit is including fixing on supporting platform 5 with tight piece 7 and two second jackscrews 16, and it is located two T type groove tops and sets up rather than perpendicularly to step up piece 7, and the side of step up piece 7 sets up two second screws 15, and two second jackscrews 16 pass two second screws 15 respectively, the one end of second jackscrew 16 with the terminal surface of supporting seat 6 offsets perpendicularly, through rotatory second jackscrew 16 to adjust and the position of fixed stay 6.
In other embodiments of the present invention, the long groove 10 is a common groove, and the supporting seat 6 is matched with the long groove 10 through a bolt or other structures, so that the supporting seat 6 can move along the direction of the long groove 10.
A driving unit is arranged between the supporting platform 5 and the bottom plate 4, the driving unit of the embodiment is provided with a screw jack 8, a connecting piece 13 is arranged at the central position of the surface of the supporting platform 5, which is close to the bottom plate 4, the connecting piece 13 is the same as the top disc of the screw jack 8 in shape and is integrally arranged with the supporting platform 5, the top disc of the screw jack 8 is tightly attached to the connecting piece 13 and is used for driving the supporting platform 5 to axially move along the upright post 1, two fasteners are arranged on the side surface of the supporting platform 5 along the axial direction of each upright post 1, each fastener comprises a first jackscrew 12, a first screw hole 14 is formed in the side surface of the supporting platform 5, the first jackscrew 12 passes through the first screw hole 14, the side surface of the upright post 1, which corresponds to the first jackscrew 12, is arranged to be a plane, and when the first jackscrew 12 is arranged, one end of the upright post is tightly abutted to the plane of the side surface of the upright post 1; in other embodiments of the present invention, the driving unit may also use a motor or other structure, connect to the supporting platform 5 through the output end, and drive the movement thereof.
During the use, set up a rotor support frock respectively in axial fan's rotor both sides, specific regulation mode as follows: loosening all the first jackscrews 12 of one of the rotor supporting tools, adjusting the supporting platform 5 along the axial direction of the upright post 1 by using the screw jack 8, and after the supporting platform is adjusted to a target position, rotating the first jackscrews 12 to enable one end of the first jackscrews to be abutted against the plane of the side surface of the upright post 1, thereby fixing the position of the supporting platform 5; in the adjusting process, the adjusting bolt 3 of the bottom plate and the second jackscrew 16 are used for assisting in adjustment, and finally the levelness of the rotor meets the requirement.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a rotor supports frock for axial compressor which characterized in that:
comprises a bottom plate (4), a plurality of upright posts (1), a supporting platform (5) and a supporting seat (6) arranged on the supporting platform (5);
the bottom plate (4) is provided with a plurality of threaded holes, and a plurality of adjusting bolts (3) are correspondingly arranged and used for adjusting the level of the rotor in an auxiliary manner by adjusting the state of the bottom plate (4);
the supporting platform (5) is arranged in parallel with the bottom plate (4), a plurality of through holes are formed in the periphery of the supporting platform (5), one ends of the stand columns (1) are fixed on the bottom plate (4), and the other ends of the stand columns penetrate through the through holes of the supporting platform (5) respectively; two long grooves (10) are arranged on the surface of the supporting platform (5) far away from the bottom plate (4) in parallel;
the supporting seat (6) is arranged on one side, far away from the bottom plate (4), of the supporting platform (5), a V-shaped groove is formed in the surface, far away from the supporting platform (5), of the supporting seat (6) and used for supporting the rotor, the bottom of the supporting seat (6) is matched with the long groove (10) in arrangement, so that the supporting seat (6) can move along the direction of the long groove (10), and the moving direction is perpendicular to the axial direction of the rotor; two sides of the supporting seat (6) are respectively provided with a limiting and adjusting unit for limiting the movement distance of the supporting seat (6) and adjusting and fixing the position of the supporting seat (6);
a driving unit is arranged between the supporting platform (5) and the bottom plate (4), the driving unit is used for driving the supporting platform (5) to move axially along the upright post (1), and the supporting platform (5) is provided with a fastener and used for fixing the relative position of the supporting platform (5) and the upright post (1) when the supporting platform stops moving.
2. The rotor support tool for the axial flow compressor according to claim 1, characterized in that:
the upright post (1) is arranged in a step shape, the position, close to the bottom plate (4), of the upright post (1) is a large-diameter section, the part, far away from the bottom plate (4), of the upright post is a small-diameter section, and the supporting platform (5) is sleeved on the small-diameter section;
one end of the upright post (1), which is far away from the bottom plate (4), is provided with a limiting cover plate (9), and the diameter of the limiting cover plate (9) is larger than that of the through hole of the supporting platform (5).
3. The rotor support tool for the axial flow compressor according to claim 2, characterized in that:
the driving unit is provided with a screw jack (8);
the supporting platform (5) is provided with a connecting piece (13) close to the center of the surface of the bottom plate (4), the connecting piece (13) is the same as the top disc of the screw jack (8), and the top disc of the screw jack (8) is tightly attached to the connecting piece (13).
4. The rotor support tool for the axial flow compressor according to claim 3, characterized in that:
the upright post (1) is fixedly connected with the bottom plate (4) through a flange.
5. The rotor support tool for the axial flow compressor according to any one of claims 1 to 4, wherein:
the limiting and adjusting unit comprises a tightening block (7) fixed on the supporting platform (5) and a second jackscrew (16) penetrating through the tightening block (7) and in threaded connection with the tightening block (7);
the tightening block (7) is perpendicular to the long groove (10);
when the second jackscrew (16) is screwed, one end of the second jackscrew is abutted against the end face of the supporting seat (6).
6. The rotor support tool for the axial flow compressor according to claim 5, wherein:
the long groove (10) is a T-shaped groove, and the support seat (6) is matched with the T-shaped groove through a T-shaped bolt so that the support seat (6) can slide along the long groove (10);
the side of the supporting platform (5) is provided with two fasteners along the axial direction of the same upright post (1).
7. The rotor support tool for the axial flow compressor according to claim 6, characterized in that:
the fastener comprises a first jackscrew (12) which penetrates through the side surface of the supporting platform (5), is in threaded connection with the supporting platform (5) and is perpendicular to the upright post (1); the side face, opposite to the first jackscrew (12), of the upright post (1) is set to be a plane, and when the first jackscrew (12) is screwed tightly, one end of the first jackscrew is abutted to the plane of the side face of the upright post (1).
8. The rotor support tool for the axial flow compressor according to claim 7, wherein:
and polytetrafluoroethylene plates are fixedly arranged on two inclined planes of the V-shaped groove of the supporting seat (6).
9. The rotor support tool for the axial flow compressor according to claim 8, wherein:
a plurality of lifting rings (11) are arranged on the bottom plate (4) and positioned at the periphery of the upright post (1);
the side of bottom plate (4) sets up a plurality of U type grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222213104.3U CN218018355U (en) | 2022-08-22 | 2022-08-22 | Rotor supporting tool for axial flow compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222213104.3U CN218018355U (en) | 2022-08-22 | 2022-08-22 | Rotor supporting tool for axial flow compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218018355U true CN218018355U (en) | 2022-12-13 |
Family
ID=84348419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222213104.3U Active CN218018355U (en) | 2022-08-22 | 2022-08-22 | Rotor supporting tool for axial flow compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218018355U (en) |
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2022
- 2022-08-22 CN CN202222213104.3U patent/CN218018355U/en active Active
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