CN102319922A - Portable labyrinth clearance adjusting device - Google Patents
Portable labyrinth clearance adjusting device Download PDFInfo
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- CN102319922A CN102319922A CN201110221097A CN201110221097A CN102319922A CN 102319922 A CN102319922 A CN 102319922A CN 201110221097 A CN201110221097 A CN 201110221097A CN 201110221097 A CN201110221097 A CN 201110221097A CN 102319922 A CN102319922 A CN 102319922A
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- roller
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- base
- adjusting device
- packing
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Abstract
The invention relates to a device for adjusting a labyrinth clearance, and the device is used in the overhaul process of a thermal power plant or a steam turbine of a nuclear power plant. A portable labyrinth clearance adjusting device comprises a base, a labyrinth packing clamping device, a feed gear and a workpiece propulsion device, wherein the labyrinth packing clamping device, the feed gear and the workpiece propulsion device are arranged on the base, the labyrinth packing clamping device comprises a rolling wheel, a support arm and supports, and the supports comprise a support I and a support II. The support I and the support II are correspondingly arranged on the upper surface of a baseplate at the front and the back; the support arm is arranged between the supports and the baseplate; and the rolling wheel is positioned between the support I and the support II. The invention provides the portable labyrinth clearance adjusting device which is compact in structure, simple and efficient.
Description
Technical field
The present invention relates to a kind of machining equipment, be specifically related to a kind of device that thermal power plant and steam turbine for nuclear power station overhaul process are adjusted packing that is used for.
Background technology
, all to adjust during overhaul in order to improve unit efficiency and to guarantee its safe operation for steam turbine the labyrinth clearance.The adjustment labyrinth clearance is meticulous a, hard work.The warp investigation whole nation with external thermal power plant and nuclear power station employing is: the methods of scraping two kinds of adjustment of sealing gland labyrinth clearance of artificial scraping, radial drill repacking.Two kinds of adjustment labyrinth clearance methods are following:
1, artificial scraping: for labyrinth clearance gland blocks bigger than normal, the staff is added in plank on the gland blocks pad on the bench vice, the artificial amount that scrapes off required adjustment with scraper.For the gland blocks of wanting adjustment amount at 0.3mm-0.5mm, a masterful technique workman one day 8 man-hour can only scraping 3-4 piece.
The repairing of radial drill repacking of 2, selling on the market now scraped sealing gland: this device is looked for relatively difficulty of packing concentric circles; For look for the concentric circles error at 0.05mm with an interior packing; The masterful technique workman needs 60 minutes; Gland blocks for different-diameter all must be readjusted, and can process 25 every day.Because rocking arm length restricts by steel strength, rocking arm can only accomplish in 1.5 meters, makes the packing back of the body arc dia of processing can only be less than 3 meters.After the installation weight of radial drill repacking all is 1 ton, and bulky, be not easy to carrying.
Summary of the invention
The technical problem that the present invention will solve is to overcome prior art inefficiency, bulky, inconvenient defective of carrying, and a kind of compact conformation, the portable labyrinth clearance of advantages of simplicity and high efficiency adjusting device are provided.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of portable packing adjusting device; Comprise base, packing clamping device, feed arrangement and workpiece propulsion plant; Said base is provided with packing clamping device, feed arrangement and workpiece propulsion plant; It is characterized in that: said packing clamping device comprises roller, support arm and support, and said support comprises support 1 and support 2 22, and said support 1 is relatively arranged on the base plate with support 2 22; Said support arm is arranged between said support and the base plate; The position of said roller between support 1 and support 2 22, said roller comprise fast pulley 11 and five movable wheels; Said fast pulley 11 is fixedly set in the middle side of support 2 22, and said movable wheel is fixedly set in the front end of corresponding support arm; Said movable wheel comprises roller 1, roller 2 13, roller 3 14, roller 4 15 and roller 5 16; Said roller 4 15 and roller 5 16 are divided into the both sides of said fast pulley 11; Be provided with roller 1, roller 2 13 and roller 3 14 in support one 21 one sides; Said roller 2 13 is relative with fast pulley 11, and said roller 2 13 sets up roller 2 13 both sides separately with roller 3 14, and said fast pulley 11 adopts the core wheel place to fix with movable wheel; The wheel disc direction is parallel with base upper surface, and the bracket lip edge is stretched out on the wheel limit.
Further, said packing clamping device also includes handwheel, is provided with slide-bar in the said support arm, and said handwheel is arranged at said support arm end and is connected with slide-bar.
Further, said support 1 is fixed on the base with adjustment screw rod 20 with support 2 22.
Further, said feed arrangement comprises motor 17 and the removable cross slide rail that is provided with on the column 26 that is arranged on the base, the said column 26; Said cross slide rail comprises lifting sliding rail 19 and moves horizontally slide rail 18; Said motor 17 respectively with said lifting sliding rail 19 with move horizontally slide rail 18 and be connected; Said motor 17 belows are provided with the cutting unit head, and the center of circle of the rotation centerline of said cutting unit head and fast pulley 11 is positioned on same the perpendicular bisector.
Further, said workpiece propulsion plant comprises push rod 3, servomotor 4 and tooth bar 2, and said servomotor 4 drives tooth bar 2 motions, and said tooth bar 2 is connected with push rod 3.
Further, said base comprises base plate 5 and its support leg that supports down.
The invention has the beneficial effects as follows: portable labyrinth clearance adjusting device compact conformation, small and exquisite, gross weight is 50 kilograms, can move everywhere according to the job site, modern design, making and technical difficulty are big, all information, technical maturity, rationally distributed.In the design of portable labyrinth clearance adjusting device, adopted 3 new technologies of confirming a circular arc to combine with packing feed arrangement technology.To the operating position of portable labyrinth clearance adjusting device and domestic like product relatively, this device belongs to domestic, the leading level in the world of the same trade.
The design of portable labyrinth clearance adjusting device makes to repair scrapes the heavy and inefficient work of packing back of the body arc, becomes simple, efficient, possesses the high characteristics of machining accuracy., duration tight situation heavy for task in the steam turbine overhaul can make the duration shift to an earlier date at least more than 3 days, create considerable economic.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the portable packing adjusting device of the present invention;
Fig. 2 is the structural representation of A-A cross-wise direction shown in Figure 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is a B-B cross-sectional view shown in Figure 2;
Fig. 5 is a C-C cross-sectional view shown in Figure 2.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Like Fig. 1,2, shown in 3; A kind of portable packing adjusting device; Comprise base, packing clamping device, feed arrangement and workpiece propulsion plant; Base is provided with packing clamping device, feed arrangement and workpiece propulsion plant, and the packing clamping device comprises roller, support arm and support, and support comprises support 1 and support 2 22.Support 1 is arranged at base plate 5 upper surfaces with support 2 22 front and back correspondences; Support arm is arranged between support and the base plate; The position of roller between support 1 and support 2 22.
Roller comprises a fast pulley 11 and five movable wheels; Fast pulley 11 is fixedly set in the centre position of support 2 22, and said movable wheel is fixedly set in the front end of corresponding support arm; Said movable wheel is roller 1, roller 2 13, roller 3 14, roller 4 15 and roller 5 16; Said roller 4 15 and roller 5 16 are divided into the both sides of said fast pulley 11, are provided with roller 1, roller 2 13 and roller 3 14 in support one 21 one sides, and said roller 2 13 is relative with fast pulley 11; Said roller 2 13 sets up roller 2 13 both sides separately with roller 3 14; Said fast pulley adopts the core wheel place to fix with movable wheel, and the wheel disc direction is parallel with base upper surface, and the bracket lip edge is stretched out on the wheel limit.
The packing clamping device also includes handwheel, is provided with slide-bar in the support arm, and handwheel is arranged at the support arm end and is connected with slide-bar.
With the rotation of handwheel, the slide-bar that drives in the support arm moves forward and backward, and then the corresponding activity wheel of drive moves forward and backward.
As shown in Figure 2, handwheel comprises that handwheel 1, handwheel 28, handwheel 36, handwheel 49, handwheel 5 10 are installed in the support arm other end of roller 1, roller 2 13, roller 3 14, roller 4 15, roller 5 16 correspondences.
As shown in Figure 4, handwheel 1 is connected with slide-bar 1, rotates with handwheel 7, drive slide-bar 28 and move forward and backward, and then the corresponding roller 1 of drive moves forward and backward.Fast pulley 11 is fixedly mounted on support 22 centre positions.
As shown in Figure 5, handwheel 28, handwheel 5 10 are connected with slide-bar 2 29, slide-bar 5 30 respectively, rotate with handwheel 28, handwheel 5 10, drive corresponding slide-bar and move forward and backward, and then corresponding roller 2 13, the roller 5 16 of drive moves forward and backward.
Support 1 is fixed on the base with adjustment screw rod 20 with support 2 22.Through regulating the position that adjustment screw rod 20 can the adjustable support arm.
Like Fig. 1, shown in 3, feed arrangement comprises the column 26 that is arranged on the base, the motor 17 and the removable cross slide rail that are provided with on the said column 26; Said cross slide rail comprises lifting sliding rail 19 and moves horizontally slide rail 18; Said motor 17 respectively with said lifting sliding rail 19 with move horizontally slide rail 18 and be connected; Said motor 17 belows are provided with milling head 31, and the center of circle of the rotation centerline of said milling head 31 and fast pulley 11 is positioned on same the perpendicular bisector.Lifting sliding rail 19 ends are provided with handwheel 23, move horizontally 18 slide rail ends and are provided with handwheel 24.
The workpiece propulsion plant comprises push rod 3, servomotor 4 and tooth bar 2, and servomotor 4 drives tooth bar 2 motions, and tooth bar 2 is connected with push rod 3.
Base comprises base plate 5 and its support leg that supports down.
Delivering gear:
Shaking handwheel 24 motors 17 can horizontal move left and right, and shaking handwheel 23 motors 17 can move up and down, and the milling head of installing on the motor 17 like this 31 can level and feed up and down.During the horizontal move left and right of motor 17, power milling head rotation centerline and fast pulley 11 rotation centers are on same perpendicular bisector, and the milling cutter amount of feeding equates with the packing cutting output like this.
The clamping sealing gland:
Propulsive mechanism:
Motor 4 is a servomotor, can rotating, and servomotor moves to the device center through gear driven tooth bar 2 during processing packing back of the body arc, and the milling cutter rotary cutting direction of motor 17 is opposite with push rod 3 moving directions, and it is slowly mobile that rack drives push rod 3 promotes packings.Process servomotor counter-rotating behind the packing, drive tooth bar 2 and push rod 3 and move to opposite side.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. portable packing adjusting device; Comprise base, packing clamping device, feed arrangement and workpiece propulsion plant; Said base is provided with packing clamping device, feed arrangement and workpiece propulsion plant; It is characterized in that: said packing clamping device comprises roller, support arm and support, and said support comprises support one (21) and support two (22), and said support one (21) and support two (22) are relatively arranged on the base plate; Said support arm is arranged between said support and the base plate; Said roller is positioned at the position between support one (21) and the support two (22), and said roller comprises fast pulley (11) and five movable wheels; Said fast pulley (11) is fixedly set in the middle side of support two (22), and said movable wheel is fixedly set in the front end of corresponding support arm; Said movable wheel comprises roller one (12), roller two (13), roller three (14), roller four (15) and roller five (16); Said roller four (15) and roller five (16) are divided into the both sides of said fast pulley (11); Be provided with roller one (12), roller two (13) and roller three (14) in support one (21) one side; Said roller two (13) is relative with fast pulley (11), and said roller two (13) and roller three (14) set up roller two (13) both sides separately, and said fast pulley (11) and movable wheel adopt the core wheel place to fix; The wheel disc direction is parallel with base upper surface, and the bracket lip edge is stretched out on the wheel limit.
2. a kind of portable packing adjusting device according to claim 1, it is characterized in that: said packing clamping device also includes handwheel, is provided with slide-bar in the said support arm, and said handwheel is arranged at said support arm end and is connected with slide-bar.
3. a kind of portable packing adjusting device according to claim 1 is characterized in that: said support one (21) and support two (22) are fixed on the base with adjustment screw rod (20).
4. a kind of portable packing adjusting device according to claim 1 is characterized in that: said feed arrangement comprises motor (17) and the removable cross slide rail that the column (26) that is arranged on the base, said column (26) upward are provided with; Said cross slide rail comprises lifting sliding rail (19) and moves horizontally slide rail (18); Said motor (17) respectively with said lifting sliding rail (19) with move horizontally slide rail (18) and be connected; Said motor (17) below is provided with the cutting unit head, and the center of circle of the rotation centerline of said cutting unit head and fast pulley (11) is positioned on same the perpendicular bisector.
5. a kind of portable packing adjusting device according to claim 1; It is characterized in that: said workpiece propulsion plant comprises push rod (3), servomotor (4) and tooth bar (2); Said servomotor (4) drives tooth bar (2) motion, and said tooth bar (2) is connected with push rod (3).
6. a kind of portable packing adjusting device according to claim 1 is characterized in that: said base comprises base plate (5) and its support leg that supports down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110221097 CN102319922B (en) | 2011-08-03 | 2011-08-03 | Portable labyrinth clearance adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110221097 CN102319922B (en) | 2011-08-03 | 2011-08-03 | Portable labyrinth clearance adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102319922A true CN102319922A (en) | 2012-01-18 |
| CN102319922B CN102319922B (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110221097 Expired - Fee Related CN102319922B (en) | 2011-08-03 | 2011-08-03 | Portable labyrinth clearance adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102319922B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406584A (en) * | 2013-07-31 | 2013-11-27 | 江苏鑫信润科技有限公司 | Split-type clamping tool for brush bristle wire cutting |
| CN112524249A (en) * | 2020-12-17 | 2021-03-19 | 东方电气集团东方电机有限公司 | Oil groove sealing structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11197927A (en) * | 1998-01-13 | 1999-07-27 | Mitsubishi Heavy Ind Ltd | Seal fin tip working machine |
| CN201128072Y (en) * | 2007-12-21 | 2008-10-08 | 哈尔滨汽轮机厂有限责任公司 | Special fixture of digital control milling steam seal ring arc section |
| CN201136106Y (en) * | 2007-12-03 | 2008-10-22 | 杭州汽轮机股份有限公司 | Rotary table special for milling bucket root groove |
| JP2009045722A (en) * | 2007-08-23 | 2009-03-05 | Mitsubishi Heavy Ind Ltd | Cutting tool |
| CN201579468U (en) * | 2009-11-03 | 2010-09-15 | 南通中能机械制造有限公司 | Milling clamp of back arc of gas passageway of blade of steam turbine |
| CN102009215A (en) * | 2010-10-25 | 2011-04-13 | 东方电气集团东方汽轮机有限公司 | Sealing tooth scraping tool |
-
2011
- 2011-08-03 CN CN 201110221097 patent/CN102319922B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11197927A (en) * | 1998-01-13 | 1999-07-27 | Mitsubishi Heavy Ind Ltd | Seal fin tip working machine |
| JP2009045722A (en) * | 2007-08-23 | 2009-03-05 | Mitsubishi Heavy Ind Ltd | Cutting tool |
| CN201136106Y (en) * | 2007-12-03 | 2008-10-22 | 杭州汽轮机股份有限公司 | Rotary table special for milling bucket root groove |
| CN201128072Y (en) * | 2007-12-21 | 2008-10-08 | 哈尔滨汽轮机厂有限责任公司 | Special fixture of digital control milling steam seal ring arc section |
| CN201579468U (en) * | 2009-11-03 | 2010-09-15 | 南通中能机械制造有限公司 | Milling clamp of back arc of gas passageway of blade of steam turbine |
| CN102009215A (en) * | 2010-10-25 | 2011-04-13 | 东方电气集团东方汽轮机有限公司 | Sealing tooth scraping tool |
Non-Patent Citations (2)
| Title |
|---|
| 韩乃卿 等: "安装、调整汽封间隙的工艺、工装研究", 《电站系统工程》 * |
| 韩兴全: "探讨汽轮机汽封间隙调整", 《设备管理与维修》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406584A (en) * | 2013-07-31 | 2013-11-27 | 江苏鑫信润科技有限公司 | Split-type clamping tool for brush bristle wire cutting |
| CN103406584B (en) * | 2013-07-31 | 2017-02-08 | 江苏鑫信润科技有限公司 | Split-type clamping tool for brush bristle wire cutting |
| CN112524249A (en) * | 2020-12-17 | 2021-03-19 | 东方电气集团东方电机有限公司 | Oil groove sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102319922B (en) | 2013-06-05 |
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Granted publication date: 20130605 Termination date: 20140803 |
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