CN102319922B - Portable labyrinth clearance adjusting device - Google Patents
Portable labyrinth clearance adjusting device Download PDFInfo
- Publication number
- CN102319922B CN102319922B CN 201110221097 CN201110221097A CN102319922B CN 102319922 B CN102319922 B CN 102319922B CN 201110221097 CN201110221097 CN 201110221097 CN 201110221097 A CN201110221097 A CN 201110221097A CN 102319922 B CN102319922 B CN 102319922B
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- support
- roller
- 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 of packing being adjusted for thermal power plant and steam turbine for nuclear power station overhaul process.
Background technology
, all to adjust the labyrinth clearance during overhaul in order to improve unit efficiency and to guarantee its safe operation for steam turbine.Adjusting the labyrinth clearance is meticulous a, hard work.Through what investigate the whole nation and external thermal power plant and nuclear power station employing be: the two kinds of methods of adjusting the labyrinth clearance of sealing gland of scraping of artificial scraping, radial drill repacking.Two kinds to adjust the labyrinth clearance method as follows:
1, artificial scraping: for labyrinth clearance gland blocks bigger than normal, the staff is added in plank on the gland blocks pad on bench vice, manually scrapes off the amount of 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 market now scraped sealing gland: this device looks for the packing concentric circles more difficult, 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.Restrict because rocking arm length is subjected to 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 is all 1 ton, and bulky, be not easy to carrying.
Summary of the invention
The technical problem to be solved in the present invention is to overcome prior art inefficiency, bulky, inconvenient defective of carrying, and a kind of compact conformation, simple Portable labyrinth clearance adjusting device efficiently 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, be provided with packing clamping device, feed arrangement and workpiece propulsion plant on described base, it is characterized in that: described packing clamping device comprises roller, support arm and support, described support comprises support 1 and support 2 22, and described support 1 and support 2 22 are relatively arranged on base plate; Described support arm is arranged between described support and base plate; The position of described roller between support 1 and support 2 22, described roller comprise fast pulley 11 and five castors; Described fast pulley 11 is fixedly installed on the middle side of support 2 22, and described castor is fixedly installed on the front end of corresponding support arm; Described castor comprises roller 1, roller 2 13, roller 3 14, roller 4 15 and roller 5 16, described roller 4 15 and roller 5 16 are divided into the both sides of described fast pulley 11, be provided with roller 1, roller 2 13 and roller 3 14 in support one 21 one sides, described roller 1 is relative with fast pulley 11, described roller 2 13 and roller 3 14 set up roller one 12 both sides separately, described fast pulley 11 and castor 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.
Further, described packing clamping device also includes handwheel, is provided with slide-bar in described support arm, and described handwheel is arranged at described support arm end and is connected with slide-bar.
Further, described support 1 and support 2 22 are fixed on base to adjust screw rod 20.
Further, described feed arrangement comprises motor 17 and the removable cross slide rail that arranges on the column 26 that is arranged on base, described column 26; Described cross slide rail comprises lifting sliding rail 19 and moves horizontally slide rail 18, described motor 17 respectively with described lifting sliding rail 19 be connected slide rail 18 and be connected, described motor 17 belows are provided with cutting power head, and the center of circle of the rotation centerline of described cutting power head and fast pulley 11 is positioned on the same perpendicular bisector.
Further, described workpiece propulsion plant comprises push rod 3, servomotor 4 and tooth bar 2, described servomotor 4 band carry-over bar 2 motions, and described tooth bar 2 is connected with push rod 3.
Further, described base comprises the support leg of base plate 5 and its lower support.
The invention has the beneficial effects as follows: Portable labyrinth clearance adjusting device compact conformation, small and exquisite, gross weight are 50 kilograms, can move everywhere according to the job site, and modern design, making and technical difficulty are large, all information, and technical maturity, rationally distributed.Adopted 3 new technologies of determining a circular arc to combine with packing feed arrangement technology in the Portable labyrinth clearance adjusting device design.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 more than 3 days at least, create considerable economic benefit.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present 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 B-B cross-sectional view shown in Figure 2;
Fig. 5 is 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 description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, 2, 3, a kind of portable packing adjusting device, comprise base, packing clamping device, feed arrangement and workpiece propulsion plant, be provided with packing clamping device, feed arrangement and workpiece propulsion plant on base, the packing clamping device comprises roller, support arm and support, and support comprises support 1 and support 2 22.Support 1 and support 2 22 front and back correspondences are arranged at base plate 5 upper surfaces; Support arm is arranged between support and base plate; The position of roller between support 1 and support 2 22.
Roller comprises a fast pulley 11 and five castors; Fast pulley 11 is fixedly installed on the centre position of support 2 22, and described castor is fixedly installed on the front end of corresponding support arm; Described castor is roller 1, roller 2 13, roller 3 14, roller 4 15 and roller 5 16, described roller 4 15 and roller 5 16 are divided into the both sides of described fast pulley 11, be provided with roller 1, roller 2 13 and roller 3 14 in support one 21 one sides, described roller 1 is relative with fast pulley 11, described roller 2 13 and roller 3 14 set up roller one 12 both sides separately, described fast pulley and castor adopt the core wheel place to fix, and the wheel disc direction is parallel with base upper surface, take turns the limit and stretch out the bracket lip edge.
The packing clamping device also includes handwheel, is provided with slide-bar in 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 support arm moves forward and backward, and then castor corresponding to 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 arranged on 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 roller 1 corresponding to 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 and support 2 22 are fixed on base to adjust screw rod 20.Adjust by adjusting the position that screw rod 20 can be regulated support arm.
As shown in Fig. 1,3, feed arrangement comprises the column 26 that is arranged on base, the motor 17 and the removable cross slide rail that arrange on described column 26; Described cross slide rail comprises lifting sliding rail 19 and moves horizontally slide rail 18, described motor 17 respectively with described lifting sliding rail 19 be connected slide rail 18 and be connected, described motor 17 belows are provided with milling head 31, and the center of circle of the rotation centerline of described milling head 31 and fast pulley 11 is positioned on the same 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, servomotor 4 band carry-over bar 2 motions, and tooth bar 2 is connected with push rod 3.
Base comprises the support leg of base plate 5 and its lower support.
Delivering gear:
Shaking handwheel 24 motors 17 can level move left and right, and shaking handwheel 23 motors 17 can move up and down, and the milling head 31 of installing on motor 17 like this can level and up and down feed.When motor 17 levels moved left and right, power milling head rotation centerline and fast pulley 11 rotation centers were 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 servomotor, can rotating, and during processing packing back of the body arc, servomotor moves to the device center by gear driven tooth bar 2, and the milling cutter rotary cutting direction of motor 17 is opposite with push rod 3 moving directions, and rack drives push rod 3 promotion packings slowly move.After processing a packing, servomotor reverses, and band carry-over bar 2 and push rod 3 move to opposite side.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment, the present invention is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. portable packing adjusting device, comprise base, packing clamping device, feed arrangement and workpiece propulsion plant, be provided with packing clamping device, feed arrangement and workpiece propulsion plant on described base, it is characterized in that: described packing clamping device comprises roller, support arm and support, described support comprises support one (21) and support two (22), and described support one (21) and support two (22) are relatively arranged on base plate, described support arm is arranged between described support and base plate, described roller is positioned at the position between support one (21) and support two (22), and described roller comprises fast pulley (11) and five castors, described fast pulley (11) is fixedly installed on the middle side of support two (22), and described castor is fixedly installed on the front end of corresponding support arm, described castor comprises roller one (12), roller two (13), roller three (14), roller four (15) and roller five (16), described roller four (15) and roller five (16) are divided into the both sides of described fast pulley (11), be provided with roller one (12) in support one (21) one side, roller two (13) and roller three (14), described roller one (12) is relative with fast pulley (11), described roller two (13) and roller three (14) set up roller one (12) both sides separately, described fast pulley (11) and castor adopt the core wheel place to fix, the wheel disc direction is parallel with base upper surface, 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: described packing clamping device also includes handwheel, is provided with slide-bar in described support arm, and described handwheel is arranged at described 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: described support one (21) and support two (22) are fixed on base to adjust screw rod (20).
4.
A kind of portable packing adjusting device according to claim 1 is characterized in that: described feed arrangement comprises the column (26) that is arranged on base, upper motor (17) and the removable cross slide rail that arranges of described column (26); Described cross slide rail comprises lifting sliding rail (19) and moves horizontally slide rail (18), described motor (17) respectively with described lifting sliding rail (19) be connected slide rail (18) and be connected.
5.
A kind of portable packing adjusting device according to claim 1, it is characterized in that: described workpiece propulsion plant comprises push rod (3), servomotor (4) and tooth bar (2), described servomotor (4) band carry-over bar (2) motion, described tooth bar (2) is connected with push rod (3).
6.
A kind of portable packing adjusting device according to claim 1, it is characterized in that: described base comprises the support leg of base plate (5) and its lower support.
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 CN102319922A (en) | 2012-01-18 |
| CN102319922B true CN102319922B (en) | 2013-06-05 |
Family
ID=45447824
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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| JP5101215B2 (en) * | 2007-08-23 | 2012-12-19 | 三菱重工業株式会社 | Cutting jig |
| 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 |
| CN102009215B (en) * | 2010-10-25 | 2012-07-04 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN102319922A (en) | 2012-01-18 |
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Granted publication date: 20130605 Termination date: 20140803 |
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