CN201687579U - Docking device for gas turbine rotor and compressor rotor - Google Patents
Docking device for gas turbine rotor and compressor rotor Download PDFInfo
- Publication number
- CN201687579U CN201687579U CN2010201253885U CN201020125388U CN201687579U CN 201687579 U CN201687579 U CN 201687579U CN 2010201253885 U CN2010201253885 U CN 2010201253885U CN 201020125388 U CN201020125388 U CN 201020125388U CN 201687579 U CN201687579 U CN 201687579U
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- turbine rotor
- compressor drum
- static pressure
- positioning device
- combustion machine
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Abstract
The utility model discloses a docking device for a gas turbine rotor and a compressor rotor, which mainly comprises a seat. A compressor rotor bracket and a gas turbine rotor bracket are respectively arranged on the seat and respectively comprise at least two static pressure center supports connected with a hydraulic station, each static pressure center support includes a frame, a static pressure bearing block and a bush, the bush is disposed inside the static pressure bearing block in a matched manner, the static pressure bearing block is disposed on the frame, a power head and a front-end axial positioning device are arranged at the front end of the compressor rotor bracket, a transmission joint which can be connected with a compressor rotor is arranged on the power head, and a tail-end axial positioning device is arranged at the rear end of the gas turbine rotor bracket. The docking device is small in starting torque and high in docking precision, and the static pressure center supports have vertical and longitudinal adjusting functions, thereby adjustment is more precise.
Description
Technical field
The utility model relates to the gas-turbine plant field, especially a kind of docking facilities that fires machine turbine rotor and compressor drum.
Background technique
In the application of gas-turbine plant, combustion machine turbine rotor docks technology with compressor drum be one of most critical technology, in docking operation, the required precision that combustion machine turbine rotor docks with compressor drum is very high, and the circumference of common compressor drum is beated and end face run-out finally will be adjusted in the 0.01mm.In order to finish butt joint technology smoothly, need usually to adopt four center rests to do the supporting of two rotors respectively, process rotation, displacement are also finished butt joint at last.But existing center rest is fixedly installed on the base usually, rotor is only played support effects simply, because factors such as self gravitation and frictional force, make static rotor when starting, need bigger starting torque, this has more strengthened the difficulty of mating operation, has also promoted job costs when influencing working efficiency; On the other hand, existing docking mode lacks corresponding locating effect, influences merging precision, and these technical deficiencies have brought inconvenience for the mating operation of combustion machine turbine rotor and compressor drum, and especially when technology transfer, this problem is particularly outstanding.
Summary of the invention
The purpose of this utility model is the combustion machine turbine rotor that a kind of rotor startup moment is little, merging precision is high that provides for the deficiency that solves above-mentioned technology and the docking facilities of compressor drum.
In order to achieve the above object, the combustion machine turbine rotor that the utility model is designed and the docking facilities of compressor drum, it mainly comprises base, be provided with compressor drum bearing support and combustion machine turbine rotor bearing support on the base successively, described combustion machine turbine rotor bearing support and compressor drum bearing support all are made up of at least two static pressure center rests, the static pressure center rest is connected with hydraulic station, described static pressure center rest comprises frame, hydrostatic bearing seat and bearing shell, bearing shell is equipped with in the hydrostatic bearing seat, and the hydrostatic bearing seat is arranged on the frame; Front end at described compressor drum bearing support is provided with unit head and front end axial direction positioning device, and unit head is provided with the driving joint that can be connected with compressor drum, is provided with terminal axial direction positioning device in the rear end of combustion machine turbine rotor bearing support.The supporting of employing hydrostatic bearing, utilize the pressure support of static pressure oil pocket to start static rotor, rotary rotor then, its starting torque is little like this, start-up course does not have wearing and tearing, the rotation precision height, can satisfy the butt joint technological requirement and have also that bearing capacity is strong, precision is high, the characteristics of simple in structure, good manufacturability.
In order to make the static pressure center rest have up and down adjustment function, preferred scheme is that described hydrostatic bearing seat below is provided with support plate, the bottom surface of this support plate is an end height, oblique structure that an end is low, the below of support plate is provided with a skewback, the inclined-plane of this skewback matches with the bottom surface of support plate, skewback is removably set on the frame, and is connected with frame by cross bolts; The left and right sides of described hydrostatic bearing seat links to each other with frame by adjusting bolt respectively.The cooperation of skewback and oblique structure can be used for adjustment up and down, adjusts the adjusting about bolt can be used for.
In order to make unit head, static pressure center rest and axial direction positioning device on base, can carry out all around adjustment, the joint that preferred scheme is described unit head, static pressure center rest and axial direction positioning device and base is provided with T-slot, and described unit head, static pressure center rest and axial direction positioning device are fixed in the corresponding T-slot.
As preferably, described terminal axial direction positioning device comprises position shelf and two rollers, and wherein a roller is set directly on the position shelf, and another roller is arranged on the position shelf by an eccentric wheel, and described eccentric wheel is provided with lock bolt.
As preferably, described driving joint comprises gear and gear disk, and described gear is connected with unit head, and gear disk is meshed with gear, and gear disk is provided with the mounting hole that matches with the compressor drum end flange.
As preferably, described unit head is arranged on the power headstock, also is provided with push rod on the power headstock, and this push rod is positioned at gear disk one side, and relative with the gear disk center, is provided with ball between push rod and the gear disk; Described front end axial direction positioning device is positioned at the gear disk opposite side and positions.
The combustion machine turbine rotor that the utility model obtains and the docking facilities of compressor drum, rotor startup moment is little, merging precision is high, can satisfy the butt joint technological requirement fully, the static pressure center rest has adjustment function up and down simultaneously, unit head, static pressure center rest and axial direction positioning device can carry out adjustment all around on base, make mating operation more simple and convenient, adjust more accurate.
Description of drawings
Fig. 1 is embodiment 1 a structural representation;
Fig. 2 is the structural representation of terminal axial direction positioning device of the embodiment 1;
Fig. 3 is embodiment 2 a static pressure center rest structural representation;
Fig. 4 is the structural representation of embodiment 3 base.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 1, the docking facilities of present embodiment described combustion machine turbine rotor and compressor drum, it mainly comprises base 1, be provided with compressor drum bearing support and combustion machine turbine rotor bearing support on the base 1 successively, combustion machine turbine rotor bearing support and compressor drum bearing support all are made up of two static pressure center rests 2, static pressure center rest 2 is connected with hydraulic station, static pressure center rest 2 comprises frame 3, hydrostatic bearing seat 4 and bearing shell 5, bearing shell 5 is equipped with in hydrostatic bearing seat 4, and hydrostatic bearing seat 4 is arranged on the frame 3; Front end at the compressor drum bearing support is provided with unit head 6 and front end axial direction positioning device 7, unit head 6 is the active forces that drive compressor drum and the rotation of whole combustion machine rotor, adopting 4KW Wechselstrommotor band helical gear 17 hard-tooth surface speed reducers to join frequency variator drives, enough big power is provided, can carries out AC frequency conversion stepless speed regulation.Unit head 6 is provided with the driving joint that can be connected with compressor drum, driving joint comprises gear 17 and gear disk 18, gear 17 is connected with unit head 6, gear disk 18 is meshed with gear 17, gear disk 18 is provided with the mounting hole that matches with the compressor drum end flange, rear end at combustion machine turbine rotor bearing support is provided with terminal axial direction positioning device 8, and terminal shaft is when whole combustion machine rotor was in no load running after butt joint was finished and the axially locating of turbine spindle to the positioning means significant feature.This end axial direction positioning device 8 comprises position shelf 14 and two rollers 15, position shelf 14 is connected on the static pressure center rest 2 of least significant end, wherein a roller 15 is set directly on the position shelf 14, and another roller 15 is arranged on the position shelf 14 by an eccentric wheel 16, and eccentric wheel 16 is provided with lock bolt; Such design can guarantee running accuracy, can guarantee the axially locating precision again.Unit head 6 is arranged on 6 of the unit heads, also is provided with push rod on 6 of the unit heads, and this push rod is positioned at gear disk 18 1 sides, and relative with gear disk 18 centers, is provided with ball between push rod and the gear disk 18; Front end axial direction positioning device 7 is positioned at gear disk 18 opposite sides and positions, prevent compressor drum when rotated axial position move, guarantee merging precision.This docking facilities is as a separate unit, static pressure center rest 2 keeps concentric with unit head 6, and the center line of front end, terminal axial direction positioning device 8 is on the vertical guide of hydrostatic bearing pad 5 center lines, device workpiece simple installation, on this device, can finish all preparatory works such as rotation, adjustment, device can be easily to each Interworking Data measure, record.Hydraulic station can be located at a side of base plate, and electrical control cabinet has been installed on hydraulic station.All button, signaling lamp and display unit all are located on the surface panel of electrical control cabinet on this docking facilities, can finish relevant action by button.Static pressure center rest 2 be operating as prior art, do not do tired stating at this.
When butt joint, turbine rotor maintains static by axially locating mechanism, and compressor drum is close toward the turbine end, connects with special bolt.This docking facilities can be realized the adjustment of front, rear, left and right four direction, easy-to-operat personnel's operation.
The front end of describing in the present embodiment, terminal axial direction positioning device 8 also can adopt axial positioning structure of the prior art, and driving joint also can be other forms of the prior art, as shaft joint etc.
As shown in Figure 2, the docking facilities of present embodiment described combustion machine turbine rotor and compressor drum, hydrostatic bearing seat 4 belows are provided with support plate 9 as different from Example 1, the bottom surface of this support plate 9 is an end height, oblique structure that an end is low, the below of support plate 9 is provided with a skewback 10, the inclined-plane of this skewback 10 matches with the bottom surface of support plate 9, and skewback 10 is removably set on the frame 3, and is connected with frame 3 by cross bolts 11; The left and right sides of hydrostatic bearing seat 4 links to each other with frame 3 by adjusting bolt 12 respectively.The cooperation of skewback 10 and oblique structure can be used for adjustment up and down, adjusts the adjusting about bolt 12 can be used for.
As shown in Figure 3, the docking facilities of present embodiment described combustion machine turbine rotor and compressor drum, the joint of unit head 6, static pressure center rest 2 and axial direction positioning device and base 1 is provided with T-slot 13 as different from Example 1, totally six of T-slots 13, but be used for fixing unit head 6, axial direction positioning device and four static pressure center rests 2 that portraitlandscape moves arbitrarily, unit head 6, static pressure center rest 2 and axial direction positioning device are fixed in the corresponding T-slot 13.
Claims (7)
1. docking facilities that fires machine turbine rotor and compressor drum, it mainly comprises base, be provided with compressor drum bearing support and combustion machine turbine rotor bearing support on the base successively, it is characterized in that described combustion machine turbine rotor bearing support and compressor drum bearing support all be made up of at least two static pressure center rests, the static pressure center rest is connected with hydraulic station, described static pressure center rest comprises frame, hydrostatic bearing seat and bearing shell, bearing shell is equipped with in the hydrostatic bearing seat, and the hydrostatic bearing seat is arranged on the frame; Front end at described compressor drum bearing support is provided with unit head and front end axial direction positioning device, and unit head is provided with the driving joint that can be connected with compressor drum, is provided with terminal axial direction positioning device in the rear end of combustion machine turbine rotor bearing support.
2. the docking facilities of combustion machine turbine rotor according to claim 1 and compressor drum, it is characterized in that described hydrostatic bearing seat below is provided with support plate, the bottom surface of this support plate is an end height, oblique structure that an end is low, the below of support plate is provided with a skewback, the inclined-plane of this skewback matches with the bottom surface of support plate, skewback is removably set on the frame, and is connected with frame by cross bolts; The left and right sides of described hydrostatic bearing seat links to each other with frame by adjusting bolt respectively.
3. the docking facilities of combustion machine turbine rotor according to claim 1 and 2 and compressor drum, the joint that it is characterized in that described unit head, static pressure center rest and axial direction positioning device and base is provided with T-slot, and described unit head, static pressure center rest and axial direction positioning device are fixed in the corresponding T-slot.
4. the docking facilities of combustion machine turbine rotor according to claim 1 and 2 and compressor drum, it is characterized in that described terminal axial direction positioning device comprises position shelf and two rollers, wherein a roller is set directly on the position shelf, another roller is arranged on the position shelf by an eccentric wheel, and described eccentric wheel is provided with lock bolt.
5. the docking facilities of combustion machine turbine rotor according to claim 3 and compressor drum, it is characterized in that described terminal axial direction positioning device comprises position shelf and two rollers, wherein a roller is set directly on the position shelf, another roller is arranged on the position shelf by an eccentric wheel, and described eccentric wheel is provided with lock bolt.
6. the docking facilities of combustion machine turbine rotor according to claim 1 and 2 and compressor drum, it is characterized in that described driving joint comprises gear and gear disk, described gear is connected with unit head, gear disk is meshed with gear, and gear disk is provided with the mounting hole that matches with the compressor drum end flange.
7. the docking facilities of combustion machine turbine rotor according to claim 6 and compressor drum, it is characterized in that described unit head is arranged on the power headstock, also be provided with push rod on the power headstock, this push rod is positioned at gear disk one side, and relative with the gear disk center, be provided with ball between push rod and the gear disk; Described front end axial direction positioning device is positioned at the gear disk opposite side and positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201253885U CN201687579U (en) | 2010-03-08 | 2010-03-08 | Docking device for gas turbine rotor and compressor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201253885U CN201687579U (en) | 2010-03-08 | 2010-03-08 | Docking device for gas turbine rotor and compressor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687579U true CN201687579U (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201253885U Expired - Fee Related CN201687579U (en) | 2010-03-08 | 2010-03-08 | Docking device for gas turbine rotor and compressor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212800A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Clamp for V-shaped support tubular product |
| CN108608193A (en) * | 2018-05-14 | 2018-10-02 | 东北大学 | A kind of large fan class blade shaft assignment flange cooperation tool mechanism |
-
2010
- 2010-03-08 CN CN2010201253885U patent/CN201687579U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212800A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Clamp for V-shaped support tubular product |
| CN103212800B (en) * | 2012-01-19 | 2016-02-24 | 昆山思拓机器有限公司 | A kind of V-shaped rest pipe material clamp |
| CN108608193A (en) * | 2018-05-14 | 2018-10-02 | 东北大学 | A kind of large fan class blade shaft assignment flange cooperation tool mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20170308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |