CN109483444B - Positioning tool for maintaining steam turbine rotor - Google Patents
Positioning tool for maintaining steam turbine rotor Download PDFInfo
- Publication number
- CN109483444B CN109483444B CN201910001944.3A CN201910001944A CN109483444B CN 109483444 B CN109483444 B CN 109483444B CN 201910001944 A CN201910001944 A CN 201910001944A CN 109483444 B CN109483444 B CN 109483444B
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- Prior art keywords
- sliding
- chuck
- screw rod
- rotor
- workbench
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- 238000012423 maintenance Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 description 13
- 238000005192 partition Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a positioning tool for maintaining a steam turbine rotor, and relates to the field of tools; the two ends of the workbench are respectively provided with a chuck, the chucks comprise a left chuck and a right chuck, the left chuck and the right chuck are oppositely arranged, the left chuck is connected to the workbench through a first hydraulic cylinder, the first hydraulic cylinder is vertically connected to the workbench, a cylinder body of the first hydraulic cylinder is fixedly arranged in the workbench, the end part of a piston rod of the first hydraulic cylinder is fixedly connected with a cylinder body of a second hydraulic cylinder, the second hydraulic cylinder is arranged along the axial direction of the rotor, and the end part of the piston rod of the second hydraulic cylinder is fixedly connected with the left chuck; the sliding table is in sliding connection with the workbench along the axial direction of the rotor through a sliding driving mechanism, a third hydraulic cylinder is vertically arranged on the sliding table, and the end part of a piston rod of the third hydraulic cylinder is fixedly connected with a right chuck; the supporting table is arranged between the left chuck and the right chuck and is in sliding connection with the workbench through the moving mechanism; the automation degree is high, and the labor efficiency is improved.
Description
Technical Field
The invention relates to the field of tools, in particular to a positioning tool for maintaining a steam turbine rotor.
Background
Because the rotor of the steam turbine is a revolving body, the rotor is easy to rotate during maintenance, so a positioning tool is needed to limit the degree of freedom; however, because the size of the steam turbine rotor is large, if the positioning tool needs manual operation, the efficiency is low, and the labor intensity is increased; for a factory, if a positioning tool is required for a type of rotor, the cost is increased.
The large-diameter rotor forming and positioning tool for the powder concentrator is used for simplifying manufacturing procedures and reducing manufacturing cost on the premise of meeting technical requirements when manufacturing the large-diameter rotor of the powder concentrator; the large-diameter rotor forming and positioning tool of the powder concentrator comprises at least two baffle positioning tools and at least one blade positioning tool; the blade positioning tool is movably arranged between two adjacent partition boards along the outer edges of the partition boards; the partition board is equidistantly separated and horizontally positioned by the partition board positioning tool; the blade positioning tool is used for equally dividing and vertically positioning the blades; the model is fixed, the degree of automation is low, and the labor efficiency and the cost are not effectively improved.
Disclosure of Invention
The invention designs a positioning tool for maintaining a steam turbine rotor in order to solve the problems of low labor efficiency, high cost, limited freedom degree of the rotor and the like.
The utility model provides a steam turbine rotor's maintenance is with location frock, includes the workstation, the brace table, chuck and slip table, install respectively at the workstation both ends the chuck, the chuck includes left chuck and right chuck, left chuck and right chuck set up relatively, left chuck passes through first pneumatic cylinder connects on the workstation, first pneumatic cylinder is vertical to be connected on the workstation, the cylinder body of first pneumatic cylinder is fixed mounting in the workstation, the end fixedly connected with of the piston rod of first pneumatic cylinder the cylinder body of second pneumatic cylinder, the second pneumatic cylinder sets up along the axial of rotor, the piston rod end fixedly connected with of second pneumatic cylinder left chuck; the sliding table is in sliding connection with the workbench along the axial direction of the rotor through the sliding driving mechanism, the third hydraulic cylinder is vertically arranged on the sliding table, and the end part of a piston rod of the third hydraulic cylinder is fixedly connected with the right chuck; the supporting table is arranged between the left chuck and the right chuck and is in sliding connection with the workbench through the moving mechanism; the sliding direction of the sliding table and the sliding direction of the supporting table are mutually perpendicular.
Preferably, the supporting table is slidably connected with a plurality of clamping plates for clamping the rotor blade, the clamping plates comprise a first clamping piece, a second clamping piece, a clamping mechanism and an installation body, the installation body is slidably connected with the supporting table along the axial direction of the rotor, the first clamping piece is fixedly installed on the upper surface of the installation body, the second clamping piece is slidably connected on the upper surface of the installation body, and the clamping mechanism drives the second clamping piece to move towards the first clamping piece.
Preferably, the clamping mechanism comprises a sliding nut, a screw rod and a motor, the upper surface of the installation body is provided with an installation groove for rotating and installing the screw rod, the sliding nut fixedly connected to the bottom of the second clamping piece is in threaded connection with the screw rod, and one end of the screw rod is fixedly connected with an output shaft of the motor arranged in the installation body.
Preferably, the upper surface of the supporting table is provided with a sliding groove along the axial direction of the rotor, the lower end of the installation body is provided with a sliding block which is in sliding connection with the sliding groove, the bottom of the sliding groove is provided with a rack, the installation body is internally provided with the driving device, an output gear of the driving device is installed at the bottom of the sliding block, and the output gear is meshed with the rack.
Preferably, the sliding driving mechanism comprises a first slider nut, a first screw rod and a first rotating motor, the workbench is provided with a groove rotationally connected with the first screw rod, the first slider nut fixedly connected with the bottom of the sliding table is in threaded connection with the first screw rod, and one end of the first screw rod is fixedly connected with an output shaft of the first rotating motor arranged in the workbench.
Preferably, the moving mechanism comprises a second slider nut, a second screw rod and a second rotating motor, the workbench is provided with a sliding groove rotationally connected with the second screw rod, the second slider nut fixedly connected with the bottom of the supporting table is in threaded connection with the second screw rod, and one end of the second screw rod is fixedly connected with an output shaft of the second rotating motor arranged in the workbench.
Compared with the prior art, the invention has the advantages that:
1. the invention has high degree of automation and greatly improves the labor efficiency;
2. the moving mechanism, the sliding driving mechanism, the connecting structure of the chuck and the structure of the clamping plate enable the invention to be applicable to rotors of various types, reduce the cost and improve the income;
3. the invention is convenient for maintenance of the rotor and reduces labor intensity;
4. The chuck is matched with the clamping plate, so that the freedom degree of the rotor is limited, and the safety coefficient in maintenance is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the present invention;
fig. 3 is a structural view of the splint according to the present invention.
The device comprises a 1-workbench, a 2-supporting table, a 3-chuck, a 4-sliding table, a 5-first hydraulic cylinder, a 6-second hydraulic cylinder (6), a 7-third hydraulic cylinder, an 8-sliding driving mechanism, a 9-moving mechanism, a 10-clamping plate, a 11-first clamping piece, a 12-second clamping piece, a 13-clamping mechanism, a 14-mounting body and a 15-driving device.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the invention are obtained will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
Examples
As shown in fig. 1 to 3, a positioning tool for repairing a steam turbine rotor comprises a workbench 1, a supporting table 2, a chuck 3 and a sliding table 4, wherein the chucks 3 are respectively arranged at two ends of the workbench 1, each chuck 3 comprises a left chuck and a right chuck, the left chuck and the right chuck are oppositely arranged, the left chuck is connected to the workbench 1 through a first hydraulic cylinder 5, the first hydraulic cylinder 5 is vertically connected to the workbench 1, a cylinder body of the first hydraulic cylinder 5 is fixedly arranged in the workbench 1, a cylinder body of a second hydraulic cylinder 6 is fixedly connected to the end part of a piston rod of the first hydraulic cylinder 5, the second hydraulic cylinder 6 is arranged along the axial direction of the rotor, and a left chuck is fixedly connected to the end part of the piston rod of the second hydraulic cylinder 6; the sliding table 4 is in sliding connection with the workbench 1 along the axial direction of the rotor through the sliding driving mechanism 8, the third hydraulic cylinder 7 is vertically arranged on the sliding table 4, and the end part of a piston rod of the third hydraulic cylinder 7 is fixedly connected with the right chuck; the supporting table 2 is arranged between the left chuck and the right chuck and is in sliding connection with the workbench 1 through the moving mechanism 9; the sliding direction of the sliding table 4 and the sliding direction of the supporting table 2 are mutually perpendicular.
The supporting table 2 is slidably connected with a plurality of clamping plates 10 for clamping the rotor blade, the clamping plates 10 comprise a first clamping plate 11, a second clamping plate 12, a clamping mechanism 13 and an installation body 14, the installation body 14 is slidably connected with the supporting table 2 along the axial direction of a rotor, the first clamping plate 11 is fixedly installed on the upper surface of the installation body 14, the second clamping plate 12 is slidably connected on the upper surface of the installation body 14, and the clamping mechanism 13 drives the second clamping plate 12 to move towards the first clamping plate 11.
The clamping mechanism 13 comprises a slider nut, a screw rod and a motor, the upper surface of the mounting body 14 is provided with a mounting groove for rotatably mounting the screw rod, the slider nut fixedly connected to the bottom of the second clamping piece 12 is in threaded connection with the screw rod, and one end of the screw rod is fixedly connected with an output shaft of the motor arranged in the mounting body 14.
The upper surface of the supporting table 2 is provided with a sliding groove along the axial direction of the rotor, the lower end of the mounting body 14 is provided with a sliding block which is in sliding connection with the sliding groove, the bottom of the sliding groove is provided with a rack, the mounting body 14 is internally provided with the driving device 15, an output gear of the driving device 15 is arranged at the bottom of the sliding block, and the output gear is meshed with the rack.
The sliding driving mechanism 8 comprises a first slider nut, a first screw rod and a first rotating motor, the workbench 1 is provided with a groove rotationally connected with the first screw rod, the first slider nut fixedly connected with the bottom of the sliding table 4 is in threaded connection with the first screw rod, and one end of the first screw rod is fixedly connected with an output shaft of the first rotating motor arranged in the workbench 1.
The moving mechanism 9 comprises a second slider nut, a second screw rod and a second rotating motor, the workbench 1 is provided with a sliding groove rotationally connected with the second screw rod, the second slider nut fixedly connected with the bottom of the supporting table 2 is in threaded connection with the second screw rod, and one end of the second screw rod is fixedly connected with an output shaft of the second rotating motor arranged in the workbench 1.
In this embodiment, the upper surfaces of the first clamping piece and the second clamping piece are cambered surfaces suitable for the rotor.
Working process and principle: when the rotor is positioned, the supporting table is moved to a proper position through the moving mechanism, the distance between the clamping plates is adjusted, the rotor is placed on the supporting table through the lifting machine, the blade of the rotor is inserted between the first clamping piece and the second clamping piece, and the blade is clamped by the first clamping piece and the second clamping piece through the clamping mechanism; then, under the drive of the moving mechanism, the supporting table moves between the two chucks, the positions of the chucks are adjusted through the first hydraulic cylinder and the third hydraulic cylinder, the center line of the chucks is consistent with the axial center of the rotor, and the second hydraulic cylinder is driven, so that one end of the rotor is inserted into the left chuck, and the left chuck clamps the rotor; the other end of the rotor is inserted into the right chuck through the sliding driving mechanism, so that the right chuck clamps the rotor, and the rotor is positioned, loses the degree of freedom and can be maintained; after the maintenance of the maintainable part of the rotor is completed, loosening the clamping plate, driving the first hydraulic cylinder and the third hydraulic cylinder to lift the rotor, rotating the chuck, rotating the undevicable part of the rotor to a convenient maintenance place, reversely driving the first hydraulic cylinder and the third hydraulic cylinder, enabling the blade of the rotor to be inserted between the first clamping piece and the second clamping piece, and then clamping the clamping plate, thereby carrying out subsequent maintenance; and after the rotor is thoroughly maintained, removing the chuck, moving the supporting table, moving the rotor to a proper position, and removing the rotor.
Based on the above, the invention has high degree of automation and greatly improves the labor efficiency; the moving mechanism, the sliding driving mechanism, the connecting structure of the chuck and the structure of the clamping plate enable the invention to be applicable to rotors of various types, reduce the cost and improve the income; the invention is convenient for maintenance of the rotor and reduces labor intensity; the chuck is matched with the clamping plate, so that the freedom degree of the rotor is limited, and the safety coefficient in maintenance is increased.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a steam turbine rotor's maintenance is with location frock, its characterized in that includes workstation (1), brace table (2), chuck (3) and slip table (4), install respectively at workstation (1) both ends chuck (3), chuck (3) are including left chuck and right chuck, left side chuck and right chuck set up relatively, left side chuck is connected on workstation (1) through first pneumatic cylinder (5), first pneumatic cylinder (5) vertical connection is in on workstation (1), the cylinder body of first pneumatic cylinder (5) is fixed mounting in workstation (1), the cylinder body of the piston rod of first pneumatic cylinder (5) is fixedly connected with second pneumatic cylinder (6), second pneumatic cylinder (6) are along the axial setting of rotor, the piston rod end of second pneumatic cylinder (6) is fixedly connected with left chuck; the sliding table (4) is in sliding connection with the workbench (1) along the axial direction of the rotor through a sliding driving mechanism (8), a third hydraulic cylinder (7) is vertically arranged on the sliding table (4), and the end part of a piston rod of the third hydraulic cylinder (7) is fixedly connected with the right chuck; the supporting table (2) is arranged between the left chuck and the right chuck and is in sliding connection with the workbench (1) through a moving mechanism (9); the sliding direction of the sliding table (4) is perpendicular to the sliding direction of the supporting table (2);
The rotor blade clamping device comprises a supporting table (2), and is characterized in that a plurality of clamping plates (10) for clamping the rotor blade are connected onto the supporting table (2) in a sliding manner, each clamping plate (10) comprises a first clamping plate (11), a second clamping plate (12), a clamping mechanism (13) and a mounting body (14), the mounting bodies (14) are connected with the supporting table (2) in a sliding manner along the axial direction of a rotor, the first clamping plates (11) are fixedly arranged on the upper surface of the mounting bodies (14), the second clamping plates (12) are connected onto the upper surface of the mounting bodies (14) in a sliding manner, and the clamping mechanism (13) drives the second clamping plates (12) to move towards the first clamping plates (11);
The clamping mechanism (13) comprises a sliding block nut, a screw rod and a motor, the upper surface of the mounting body (14) is provided with a mounting groove for rotatably mounting the screw rod, the sliding block nut fixedly connected to the bottom of the second clamping piece (12) is in threaded connection with the screw rod, and one end of the screw rod is fixedly connected with an output shaft of the motor arranged in the mounting body (14);
the supporting table is characterized in that a sliding groove is formed in the upper surface of the supporting table (2) along the axial direction of the rotor, a sliding block which is in sliding connection with the sliding groove is arranged at the lower end of the mounting body (14), a rack is arranged at the bottom of the sliding groove, a driving device (15) is arranged in the mounting body (14), an output gear of the driving device (15) is arranged at the bottom of the sliding block, and the output gear is meshed with the rack.
2. The positioning tool for maintenance of a steam turbine rotor according to claim 1, wherein the sliding driving mechanism (8) comprises a first slider nut, a first screw rod and a first rotating motor, the workbench (1) is provided with a groove rotationally connected with the first screw rod, the first slider nut fixedly connected to the bottom of the sliding table (4) is in threaded connection with the first screw rod, and one end of the first screw rod is fixedly connected with an output shaft of the first rotating motor installed in the workbench (1).
3. The positioning tool for maintenance of a steam turbine rotor according to claim 1, wherein the moving mechanism (9) comprises a second slider nut, a second screw rod and a second rotating motor, the workbench (1) is provided with a sliding groove rotationally connected with the second screw rod, the second slider nut fixedly connected to the bottom of the supporting table (2) is in threaded connection with the second screw rod, and one end of the second screw rod is fixedly connected with an output shaft of the second rotating motor installed in the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001944.3A CN109483444B (en) | 2019-01-02 | 2019-01-02 | Positioning tool for maintaining steam turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001944.3A CN109483444B (en) | 2019-01-02 | 2019-01-02 | Positioning tool for maintaining steam turbine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483444A CN109483444A (en) | 2019-03-19 |
| CN109483444B true CN109483444B (en) | 2024-07-02 |
Family
ID=65712239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001944.3A Active CN109483444B (en) | 2019-01-02 | 2019-01-02 | Positioning tool for maintaining steam turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483444B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2803608Y (en) * | 2005-04-29 | 2006-08-09 | 东方汽轮机厂 | Working bearing indexing means for wheel slot of turbine rotor |
| CN209304425U (en) * | 2019-01-02 | 2019-08-27 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623684A (en) * | 1946-06-03 | 1949-05-20 | Parsons Ind Inc | Fixtures for use in assembling structural parts upon a rotor blade spar |
| US4915587A (en) * | 1988-10-24 | 1990-04-10 | Westinghouse Electric Corp. | Apparatus for locking side entry blades into a rotor |
| AU5676799A (en) * | 1998-09-24 | 2000-04-10 | Ramgen Power Systems, Inc. | Modular multi-part rail mounted engine assembly |
| CH695442A5 (en) * | 2002-01-31 | 2006-05-31 | Alstom Technology Ltd | Method and apparatus for round-machining a blank in a milling machine. |
| CN2815562Y (en) * | 2005-08-10 | 2006-09-13 | 杭州汽轮机股份有限公司 | Special drilling machine for steam turbine rotor blade root pin working |
| CN201493480U (en) * | 2009-09-27 | 2010-06-02 | 常州至精精机有限公司 | External processor of NC rotors |
| KR101044863B1 (en) * | 2009-10-27 | 2011-06-28 | 두산중공업 주식회사 | face-off jig of bucket for turbine rotor |
| WO2013178377A1 (en) * | 2012-05-30 | 2013-12-05 | Siemens Aktiengesellschaft | Cnc processing machine |
| CN203018965U (en) * | 2012-12-29 | 2013-06-26 | 长安大学 | Milling-planing rotor welding tool |
| CN203109316U (en) * | 2013-04-02 | 2013-08-07 | 哈尔滨汽轮机厂有限责任公司 | Milling tool for bacterial type blade root blade of steam turbine |
| EP2896792A1 (en) * | 2014-01-21 | 2015-07-22 | Alstom Technology Ltd | Mechanical fastening system for rotating or stationary components |
| CN204621633U (en) * | 2015-05-06 | 2015-09-09 | 苏州市零点精密模具有限公司 | A kind of rotor clamp for machining |
| CN204705433U (en) * | 2015-05-12 | 2015-10-14 | 苏州星火量测设备有限公司 | A kind of regulating device of dynamic balancing machine bracing frame horizontal level |
| KR101563990B1 (en) * | 2015-08-10 | 2015-10-28 | (주)강림나노텍 | Jig for fixing inside diameter of work piece |
| CN205843861U (en) * | 2016-08-01 | 2016-12-28 | 中国长江动力集团有限公司 | A kind of device measuring turbomachinery blade moment value |
| CN108202202B (en) * | 2018-01-05 | 2020-01-10 | 沈阳大唐斯普瑞科技有限公司 | Steam seal tooth repairing system and method for steam turbine rotor |
| CN208178999U (en) * | 2018-04-12 | 2018-12-04 | 西安皓森精铸有限公司 | A kind of blade forming horizontal adjustment tooling |
-
2019
- 2019-01-02 CN CN201910001944.3A patent/CN109483444B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2803608Y (en) * | 2005-04-29 | 2006-08-09 | 东方汽轮机厂 | Working bearing indexing means for wheel slot of turbine rotor |
| CN209304425U (en) * | 2019-01-02 | 2019-08-27 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
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| Publication number | Publication date |
|---|---|
| CN109483444A (en) | 2019-03-19 |
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