CN1069253C - Shapeability grinding device and its usage - Google Patents
Shapeability grinding device and its usage Download PDFInfo
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- CN1069253C CN1069253C CN94104010A CN94104010A CN1069253C CN 1069253 C CN1069253 C CN 1069253C CN 94104010 A CN94104010 A CN 94104010A CN 94104010 A CN94104010 A CN 94104010A CN 1069253 C CN1069253 C CN 1069253C
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Abstract
The present invention discloses a tracing grinding device and the application thereof. The tracing grinding device is suitable for the rough machining of workpieces, the grindinf of a dimensional change curved surfaces, such as the vanes of the rotary wheel of a large hydraulic turbine. The tracing grinding device is especially suitable for grinding the rotary wheel vanes and the flow channel surface of a large integral mixed-flow hydraulic turbine on maintenance site. The tracing grinding device is composed of equipment actuating mechanism and a shape following grinding head. The end of the equipment actuating mechanism is connected with the shape following grinding head. The history that the vane-shaped surface of a hydraulic turbine is always and completely ground by labor for a long time is over. The tracing grinding device has the advantages that the manufacturing cost of the tracing grinding device is low, the tracing grinding device is suitable for the national condition of the China, the work environment of the maintenance site of the hydraulic turbine can be improved, grinding quality is enhanced, the service life of the hydraulic turbine is extended, the work efficiency of the hydraulic turbine is enhanced, and the tracing grinding device brings huge benefit.
Description
The invention discloses a kind of conformal grinding attachment and uses thereof, be applicable to roughing, the reconditioning three dimensional change curved surface of workpiece, as the blade of large-scale water turbine runner, be specially adapted to runner bucket and water passage surface thereof at maintenance sites reconditioning large-scale integral Francis turbine.
In the power station of sediment charge height, high water head, its nucleus equipment rotary wheel of water turbine cavitation, sand erosion are serious, when overhaul or the repairing of expansion property, need wearing and tearing and the blade and the runner of cavitation erosion carry out repair welding and reconditioning; After a hydraulic turbine needs welding rod, the reconditioning of several tons of repair weldings to fall to go up the unnecessary layer of ton sometimes, can make blade recover correct blade shape and size.Because rotary wheel of water turbine is heavy, particularly the Francis turbine blade face is complex-shaped, with regard to a blade, except that the outlet limit is on the runner sagittal plane, other each point three-dimensional coordinate value of blade surface all changes continuously, have nothing in common with each other, and the hydraulic turbine is when repairing, it is again the complete machine reconditioning, blade and blade are non-disconnectable mutually moving, space narrow elongate between two blades, the particularity of rotaring wheel structure and lobe surface shape complicated and be subjected to the restriction of runner, caused up to now, still none grinding attachment can be in the limited maintenance sites in space, place, to the large-scale water turbine complete machine both at home and abroad, particularly to large-scale (more than the diameter 4M, runner weight is more than 35 tons) Francis turbine complete machine blade surface carries out reconditioning.
At present, it is domestic when reconditioning is leaf, carry out relief grinding by the hand-held air operated portable grinder of workman fully, because large rotary wheel inconvenience upset and transposition, the operator will comprise the solder joint that the hand-held on the ground abrasive machine relief grinding of lying on the back protrudes from each orientation, a few minutes just wear away an emery wheel, and each abrasive machine weighs 6 kilograms.Not only labour intensity is big, noise is big, dust is many for manual relief grinding, emery wheel fragmentation situation such as hurt sb.'s feelings badly, often appears in condition of work; And since manual firmly uneven, cause grinding quality poor, blade line style precision and fineness all do not reach requirement, thereby reduce the operating efficiency and the service life of the hydraulic turbine, and the emery wheel abrasion loss is also big; In addition, determine whole working days of overhaul or the repairing of expansion property, the work period of the repair welding of turbine blade, the unnecessary layer of reconditioning is all workaday one section, its must be during certain in (as two week or three weeks) complete, otherwise can delay the whole duration, yet, at present in the serious power plant of hydraulic turbine wearing and tearing cavitation erosion, as Liujia Gorge power plant, manual many people are relief grinding simultaneously, often can't complete on schedule.
Abroad, remove Ma Ermote maintenance center that France is positioned at Mediterranean Region to runner diameter below 4m, the francis turbine runner of weight within 35T adopts industrial robot to carry out reconditioning 80～90% to leaf, after manually finishing 20～10%, by outside artificial all polishings one time, all the other countries still are artificial hand grinding again.Manufactory in Japan has the runner bucket of pair complete machine to carry out the robot of grinding, but still is in laboratory stage.
Robot carries out reconditioning, (the robot that it is PUMA762 that a model is buied by U.S. Uniurate company involves great expense, price reaches 600,000 U.S. dollars, also do not add other auxiliary device and software price), relative position between polishing device and the runner, working environment, quality of workers are required all very high, and do not work out reconditioning is carried out at the energy repairing scene limited in the space, power station to the complete machine turbine blade robot so far as yet.According to the repairing present situation of domestic large hydropower station, from economical, repair situations such as Field Force, equipment, under the condition of, limited fund also not really flourishing, press for a kind of grinding attachment of suitable China's national situation in China's economy.
The purpose of this invention is to provide a kind of conformal grinding attachment and uses thereof, it can be used for roughing, the reconditioning three dimensional change curved surface of workpiece, particularly leaf at the runner of maintenance sites reconditioning large-scale integral Francis turbine, its have cost low, be suitable for China's national situation, can improve hydraulic turbine maintenance sites working environment, improve grinding quality, prolong hydraulic turbine service life, improve hydraulic turbine operating efficiency, bring the characteristics of huge benefit.
The object of the present invention is achieved like this: a kind of conformal grinding attachment, and it is made up of equipment executing agency and conformal bistrique, and equipment executing agency end connects the conformal bistrique.
Wherein, equipment executing agency was combined by longitudinal moving mechanism, transverse moving mechanism, vertical movement mechanism, vertical rotating mechanism, horizontal rotating mechanism, any connection of vertical rotating mechanism.
Can be that transverse moving mechanism is housed on the longitudinal moving mechanism, vertical rotating mechanism is housed on the transverse moving mechanism, on the vertical rotating mechanism vertical movement mechanism is housed, vertical movement mechanism connects horizontal rotating mechanism, laterally rotating mechanism connects vertical rotating mechanism, vertically rotating mechanism connects linear moving mechanism, and the linear moving mechanism end is that equipment executing agency does not hold.
Also can be to connect vertical rotating mechanism on the longitudinal moving mechanism earlier, be connected to transverse moving mechanism on the vertical rotating mechanism, transverse moving mechanism connects vertical movement mechanism, vertical movement mechanism connects vertical rotating mechanism, vertically rotating mechanism connects horizontal rotating mechanism, laterally rotating mechanism connects linear moving mechanism, and it is that equipment executing agency does not hold that linear moving mechanism is not held.
Wherein, the conformal bistrique is made up of bistrique, bistrique drive motors, connector, bistrique frame, fulcrum, connecting rod, oil cylinder, one end of bistrique frame and oil cylinder are connected on the not end of equipment executing agency respectively, on the other end of bistrique frame fulcrum is arranged, flexible connection of piston rod and connecting rod, the activity of connecting rod other end connects the connector that portability bistrique drive motors rotates around fulcrum when the oil cylinder fuel feeding, is connected to bistrique on the bistrique drive motors axle.
Wherein, under the equipment executing agency running mechanism is housed.
Conformal grinding attachment of the present invention can be used for reconditioning three dimensional change curved surface.
Conformal grinding attachment of the present invention, it is leaf to can be used for reconditioning large-scale mixed turbine runner.
Advantage of the present invention is: owing to adopted the conformal bistrique that cost is low, simple in structure, be skillfully constructed, make it to grind away layer of metal equably with the surface of general workpiece, can also carry out the conformal skiving with the curved surface of three dimensional change; Particularly the conformal bistrique is equipped with the equipment executing agency with a plurality of frees degree, make the hydraulic turbine maintenance sites that it is can be in the space, power station limited, turbine blade is carried out reconditioning, be through with for a long time always all by the history of artificial reconditioning hydraulic turbine lobe surface.
Compare with hand grinding is leaf, special-purpose machinery with certain automaticity has substituted heavy manual labor, improved the abominable workpiece environment of maintenance sites, reduced the direct infringement of dust, boosted productivity the operator, improve grinding surface quality, improve the hydraulic turbine and render a service, prolong the cycle of operation, create the huge benefit (as: hydraulic turbine of a 225MW of Liujia Gorge power plant, many prolongations were used in one day, and the direct output value of creation is up to 250,000 yuan).
Compare with industrial robot, cost is low, ducts starting cost only is 500,000 RMB, (industrial robot is the development cost costliness not only not comprise design charges, test fee, other additional cost, during work, also often need be furnished with the workbench of diameter greater than runner diameter, rotatable, high price), less demanding to working environment, not high to operator's competency profiling, be fit to China's national situation.
Fig. 1 is the embodiment of the invention 1 a complete machine schematic diagram.
Fig. 2 is the embodiment of the invention 2 complete machine schematic diagrames.
Fig. 3 is a conformal bistrique schematic diagram of the present invention.
Fig. 4 is the column revolving structural representation of the embodiment of the invention 1.
Fig. 5 is that the column of the embodiment of the invention 1 connects schematic diagram with the column sleeve.
Fig. 6 is that the column of the embodiment of the invention 1 connects schematic diagram with the cantilever bearing.
Fig. 7 is the cursor slide rotation or the moving structure schematic diagram of the embodiment of the invention 1.
Fig. 8 is that the rotating disk of the embodiment of the invention 2 connects schematic diagram with following planker.
Fig. 9 is that the end face tooth of the embodiment of the invention 2 connects schematic diagram.
Figure 10 is the panel schematic diagram of the embodiment of the invention 1.
Figure 11 is the panel schematic diagram of the embodiment of the invention 2.
Figure 12 is a locking member dish cylinder structure schematic diagram of the present invention.
Figure 13 is another structural representation of locking member dish oil cylinder of the present invention.
Below in conjunction with drawings and Examples the present invention is done further and to elaborate.
Embodiment 1
As shown in Figure 1, a kind of conformal grinding attachment wherein, following planker 2, is gone up planker 5 and is driven along guide rail separately by hydraulic part separately respectively and move as vertical and horizontal, and following carriage rail 1 can join together by bolt with lathe bed 6; Last carriage rail 3 is an one with following planker 2.
Following planker 2, the bottom of going up planker 5 all have by bolting two to go out rod oil cylinder, and its piston rod 4 is parallel to the guide rail of planker separately respectively, the two ends that the termination is fixed on plane on the lathe bed 6 or goes up planker 5 lower planes.
As shown in Figure 4, column 8 is connected with connection rotating disk 401 bolts, connects to rely on assembling adjustment that very little gap is arranged between the garden anchor ring on rotating disk 401 and the last planker 5; Gyroaxis 403 is connected with connection rotating disk 401 bolts, and by garden awl rolling bearing 408 supportings, by nut 409 lockings.Desire to make column 8 revolutions, can unclamp bolt clip plate 402, rotary handle 404 by a pair of helical gear 405, worm screw 406, worm gear 407, makes column 8 revolutions; After column 8 goes to desired location, should be by bolt clip plate 402 locking columns 8.
As shown in Figure 5, column sleeve 10 is enclosed within on the column 8, singly go out rod oil cylinder 505 cylinder bodies by being bolted in the column central space 502, piston rod 504 is connected with column sleeve 10 upper ends by ball pivot 503, the action of Controlled by Programmable Controller hydraulic-driven part, by feather key 501 guiding, column sleeve 10 moves up and down along column 8 axis.
As shown in Figure 6, column sleeve 10 is having a ring seat 601 perpendicular to column 8 axis directions, ring seat 601 combines as a whole by the screw pressing plate with cantilever bearing 11,11 of ring seat 601 and cantilever bearings have little gap 602, dead axle 603 is fixed on the inside of ring seat 601, with cantilever bearing 11 for movingly, in cantilever bearing 11 1 sides, worm gear 604 is fixed on the dead axle 603, and worm screw 605 connects with handle 607;
Shake handle 606, by worm screw 605, worm gear 604 makes cantilever bearing 11 rotate around dead axle 603, for keeping balance column sleeve 10 other sides counterweight 9 is arranged;
As shown in Figure 7, cursor slide sleeve 12 is supported in the cantilever bearing 11, need be when himself axis rotates, at first unclamp butterfly spring oil cylinder locking device 715 and 716, start the motor 702 that is positioned on the cantilever bearing 11, drive adapter sleeve 706 by gear pair 703, worm screw 704, worm gear 701, make cursor slide sleeve 12, adapter sleeve 706, reduction box 707, cursor slide 7 around its axis revolution;
When need cursor slide sleeve 12 when himself axis moves, also at first unclamp same butterfly spring oil cylinder locking device, start the motor 711 that is positioned on the reduction box 707,, move it by 717 engagements of the tooth bar on worm screw 712, worm gear 714 and gear 713 and the cursor slide sleeve 12;
Oil cylinder 708 is fixed in the hole of cursor slide 7, piston rod 710 is fixed on the bearing support 717 that links to each other with cursor slide sleeve 12, when leading to pressure oils to oil cylinder 708 by arbitrary oil pipe 718, when another oil pipe 718 takes back oil, oil cylinder 708 drives cursor slide 7, under strong 718 guiding of guiding, take with the retinue bistrique of cursor slide 7 ends and do straight reciprocating motion;
As shown in Figure 3, the retinue bistrique by bistrique 301 (but emery wheel, polishing wheel etc.), bistrique drive motors 302, motor holding frame 304 (connector), bistrique frame 305, fulcrum 303, connecting rod 311, holding frame apical grafting head 312, singly go out rod oil cylinder 310, gusset piece 16, oil cylinder oil inlet pipe 306, oil cylinder oil return pipe 308, damping element 309, magnetic valve 307 and form;
Wherein, one end of bistrique frame 305, singly going out rod oil cylinder 310 is fixed on the gusset piece 16 by screw respectively, there is fulcrum 303 at the other end middle part of bistrique frame 305, piston rod 313 is lived in cutting with scissors with connecting rod 311 1 ends and is connected, the other end of connecting rod 311 is by the hinged holding frame apical grafting head 312 of living, bistrique drive motors 302 connects bistrique 301, bistrique drive motors 302 is fixed in the motor holding frame 304, motor holding frame 304 is by fulcrum 303 and 305 movable connections of bistrique frame, oil cylinder left side oil pipe 306, the right oil pipe 309 of oil cylinder is behind damping element 309, connect magnetic valve 307, the starting switch of the gauge tap of magnetic valve 307 and bistrique drive motors 302 connects respectively on two outputs of Programmable Logic Controller.
The gusset piece 16 of conformal bistrique is connected with cursor slide 7 termination bolts, so that the retinue bistrique can be by the transposing of dismounting at any time angle, adjust the radial load application of force direction of 301 pairs of workpiece of emery wheel, change bistrique frame 305 in the position of garden Zhou Fangxiang, can make the radial load of emery wheel 301 perpendicular with grinding skin basically workpiece.
When to singly going out rod oil cylinder 310 for behind the pressure oil, by connecting rod 311, motor holding frame 304 is taken with fulcrum 303 motions of bistrique drive motors 302 on the bistrique frame;
When emery wheel 301 was not activated work, oil cylinder 310 rod chambers led to pressure oil, and rodless cavity leads to oil return, and emery wheel 301 pendulum are to the extreme higher position; When work, the all logical pressure oil in 310 liang of chambeies of oil cylinder, because pressure oil pressure is identical, oil cylinder 310 rodless cavity areas are greater than the rod chamber area, thereby emery wheel 301 is contacted, with working surface with constant force when one timing of system's charge oil pressure, in radial grinding counter-force and the acting in conjunction of the oil cylinder piston application of force, the emery wheel position changes with the surface of the work change in location, thereby grinds off the layer of metal on the surface of the work equably.
Under the certain situation of hydraulic system damping, when the surface of the work change of shape was mild, the emery wheel position is respective change with the surface of the work change of shape; When the grinding skin change of shape was violent, the emery wheel change in location lagged behind the surface of the work change of shape, so that grinding is because of the scraggly lobe surface of wearing and tearing, cavitation repair welding again effectively.
Shown in Figure 10 is the panel schematic diagram of present embodiment 1,
The HL1 total power switch
HL2 Programmable Logic Controller power switch
SA1 column revolving unlock switch
SA2 cantilever bearing unlock switch
SA3 cursor slide sleeve unlock switch
SA4 column sleeve moves up and down unlock switch
Advance mobile unlock switch under the SA5 between planker
Upper and lower of SA6 column sleeve advances three-position switch
The SA7 cursor slide advances three-position switch between stretching, contracting
The upper and lower planker horizontal stroke of SA8, the moving crossbar switch of vertical cubic displacement
SA9 Programmable Logic Controller lock
SA10 car body high, low speed, stop three-position switch
The ascending, descending of SA11 vehicle body bed body, stop three-position switch
The SA12 car body is forward and backward to advance, stops three-position switch
SA13 general supply lock
The SB1 cursor slide sleeve button that turns clockwise
SB2 cursor slide sleeve is rotated counterclockwise button
SB3 cursor slide sleeve stretches out button
SB4 cursor slide sleeve retract button
The SB5 column sleeve inching button that makes progress
The downward inching button of SB6 column sleeve
The stroke manual buttons that all elements of SB7 move from bottom to top or from left to right
The stroke manual buttons that all elements of SB8 move from the top down or from right to left
SB9 emery wheel convergence button
The SB10 cursor slide moves back and forth button
The upper and lower reciprocating motion button of SB11 column sleeve
SB12 emery wheel rotation start button
SB13 equipment always stops button
SB14 hydraulic system oil pump fuel feeding button
SB15 hydraulic system oil pump fuel cut-off button
Above-mentioned conformal grinding attachment, when not working, bistrique 301 is put to peak, and cursor slide 7 is retracted in the cursor slide cover for seat 12; During work, start total power switch HL1, Programmable Logic Controller power switch HL2, Programmable Logic Controller lock SA9, general supply lock SA13, hydraulic system oil pump fuel feeding button SB14, connect power supply and oil circuit, before the complete machine displacement, operation vehicle body bed body liter, fall, stop three-position switch SA11, place the oil cylinder in the lathe bed that wheel is landed, lathe bed rising built on stilts, press the motor vehicles bodies height, low speed, stop three-position switch S1A0, before the car body, laggard, stop three-position switch SA12, double-speed motor drives wheel, after making the relief grinding machine move near the hydraulic turbine, allow four supporting legs land on the lathe bed, by the vision range finding, according to this conformal grinding attachment following motion mode being arranged: (1). following planker 2 is vertically moved by carriage rail 1 under the hydraulic-driven edge; (2). go up planker 5 and move laterally along last carriage rail 3 by hydraulic-driven; (3). column 8 mat handles 404 shake, and can make garden Zhou Yundong around vertical axis; (4). column sleeve 10 is moved as straight line along column 8 axis by hydraulic-driven; (5). cantilever bearing 11 mat handles 606 shake, and wind perpendicular to the axis of column sleeve 10 axis and make garden Zhou Yundong; (6). the motor 702 that is positioned on the cantilever bearing 11 drives cursor slide sleeve 12 works around its axis rotation; (7). another motor 711 driving cursor slide sleeves 12 that are positioned on the cantilever bearing 11 move axially; (8). place in the cursor slide 7 oil cylinder can make cursor slide 7 make to be parallel to the linear reciprocating motion of cursor slide sleeve 12 axis together with the bistrique 301 of its end; (9). place the oil cylinder 310 on the bistrique frame 305 to make bistrique 301 around fulcrum 303 swings, and with constant force emery wheel is contacted with surface of the work, emery wheel rotates with certain rotating speed; Button shown in the guidance panel on demand, cooperate to shake handle, emery wheel is located in the blade solder joint that needs relief grinding, and the cursor slide axis is overlapped basically with the blade tangent line, emery wheel radial load direction overlaps substantially with the blade surface normal direction, size according to grinding face, the orientation, selected hand grinding or with on the column sleeve, advancing three-position switch SA6 and cursor slide reciprocating motion button SB10 or cursor slide down stretches, advance between contracting on three-position switch SA7 and the column sleeve, following reciprocating motion button SB11 cooperates, set semi-automatic relief grinding stroke, start emery wheel, can finish the reconditioning work of a panel region, after reconditioning one panel region, readjust the orientation, carry out next working cycles.The direction of operating dish can make the relief grinding machine turn to, and moves to another leaf position by a blade.
The described relief grinding machine of this embodiment, during work outside the hydraulic turbine, can reconditioning Francis turbine crown lower surface, crown with blade surface between the ring upper surface down, down encircle part below the upper surface, encircle medial surface and blade surface down.
As shown in Figure 2, a kind of conformal grinding attachment, following planker 2, go up planker 5 respectively motor 19, clutch 20, leading screw 21, the nut by separately drive along guide rail separately and do vertically, laterally move, following carriage rail 1 and lathe bed 6, go up carriage rail 3 with on drag and pull seat 4 and can be one, also can weld or bolt joins together, going up carriage rail plane and horizontal plane as required can have the angle of 5 to 20 degree, nut is contained in the bottom that is driven part, two leading screws 21 are parallel to the guide rail of planker separately, the two ends that the termination is fixed on lathe bed 6 or goes up planker seat 4;
As shown in Figure 8, there is a rotating shaft 801 at following planker 2 middle parts, there is a shaft hole 808 that is complementary with rotating shaft 801 at rotating disk 22 middle parts, there is cannelure 807 outer ring, flange 805 is arranged in the cannelure 807, the slide block 806 of three (or more than three) locking rotating disk oil cylinder piston rod end head places on the flange 805 of cannelure 807, cylinder body 804 passes down planker 2, and be screwed, dish spring 802 is housed, in the rod chamber when oil cylinder leads to pressure oil, by the tension force of dish spring 802, slide block 806 is pressed on the flange 805, makes rotating disk 22 fixing not removable; When the logical pressure oil of oil cylinder, move on the piston 803, dish spring 802 is compressed, and slide block 806 breaks away from flange 805, tries hard to recommend down movingly outside, and rotating disk 22 is 801 rotations around the shaft, and at this moment, slide block 806 is mobile cannelure 807 in.
As shown in Figure 9, end face tooth 901 connects casing 13 ends with its other end tooth 913 that is complementary by being bolted to by being bolted to casing 12 ends, and the both ends of the surface tooth constitutes end face tooth shaft coupling 11;
It passes worm gear 908, oil cylinder 911 to of axle 906 by being fixed on 909 supportings of connect box 12 bearing at end, and the other end is by thrust bearing 903 supportings that are fixed in the piston 904, and it is fixing by nut 910 that piston 904 is passed in the termination;
In like manner, 14 of the side of connection casing 13 and tool rest brackets, but the other end tooth shaft coupling 11 of folding transposition also is housed.
Shown in Figure 11 is the panel schematic diagram of present embodiment
The HL1 general supply shows
HL2 Programmable Logic Controller power supply shows
MA1 rotating disk unlock switch
MA2 end face tooth I is opened unlock switch
MA3 end face tooth II is opened unlock switch
The big arm unlock switch of MA4
Planker vertically moves unlock switch under the MA5
Under the MA6 planker left, index(ing) feed three-position switch to the right
The last planker of MA7 forward, index(ing) feed three-position switch backward
The ascending, descending of MA8 vehicle body bed body, stop three-position switch
The big arm ascending, descending of MA9, stop three-position switch
MB1 Programmable Logic Controller lock
The total guard's valve of MB2 equipment
MB3 hydraulic system oil pump fuel feeding button
MB4 hydraulic system oil pump fuel cut-off button
Under the MB5 planker from left to right, last planker is inching button backward in the past
Under the MB6 planker from right to left, last planker from after inching button forward
All elements of MB7 in the past backward, the stroke manual buttons of Yi Donging from left to right
All elements of MB8 from after forward, the stroke manual buttons of Yi Donging from right to left
MB9 emery wheel convergence button
MB10 emery wheel starting switch
Planker moves back and forth button under the MB11
The last planker of MB12 moves back and forth button
The MB13 upper slide rest moves back and forth button
Above-mentioned conformal grinding attachment, when not working, bistrique drive motors 301 is put to peak, and upper slide rest 15 is in an end of tool rest bracket 14; Before the work, start total power switch HL1, Programmable Logic Controller power switch HL2, Programmable Logic Controller lock MB1, hydraulic system oil pump fuel feeding button MB3, vehicle body bed body liter, fall, stop three-position switch MA8, by hydraulic cylinder lathe bed is propped built on stilts, wheel lands, manpower promotes by entering in the runner between the buttress that supports the hydraulic turbine, after mixing up the position, lathe bed lands, can start working, working method is identical with embodiment 1, also is by the vision range finding, according to this conformal grinding attachment following motion mode is arranged: (1). and motor 19 vertically moves with carriage rail 1 under planker 2 edges under the feed screw nut driving; (2). with manpower rotating disk 22 descend relatively planker 2 in level to intrinsic deflection; (3). motor 19 is gone up planker 5 with the feed screw nut driving and is moved laterally along last carriage rail 3; (4). oil cylinder 9 drives big arm 10 moving axis 7 that rotates and rotates; (5). with handle connection casing 13 is rotated relative to casing 12; (6). with handle tool rest bracket 14 is rotated relative to connecting casing 13; (7) hydraulic-driven makes upper slide rest 15 move back and forth along tool rest bracket guide rail 18; (8), place oil cylinder 310 on the bistrique frame 305 to make bistrique 301 around fulcrum 303 swings, and emery wheel is contacted with surface of the work with constant force, emery wheel rotates with certain rotating speed; Button shown in the guidance panel on demand, cooperate to shake handle, emery wheel is located in the blade solder joint that needs relief grinding, emery wheel radial load direction is overlapped substantially with the blade surface normal direction, size according to grinding face, the orientation, selected hand grinding maybe will descend planker reciprocating motion button MB11 and last planker forward, index(ing) feed three-position switch MA7 backward, last planker reciprocating motion button MB12 and following planker are left, index(ing) feed three-position switch MA6 to the right, upper slide rest reciprocating motion button MB11 and last planker are forward, index(ing) feed three-position switch MA7 cooperates backward, set semi-automatic relief grinding stroke, start emery wheel, can finish the reconditioning work of a panel region, after reconditioning one panel region, readjust the orientation, carry out next working cycles.The direction of operating dish can make the relief grinding machine turn to, and moves to another leaf position by a blade.
The described relief grinding machine of this embodiment, during work in the hydraulic turbine, can reconditioning Francis turbine down the above part in ring lower surface, encircle medial surface and blade surface down.
Dish-shaped oil cylinder locking device as shown in figure 12, its piston is made up of inner carrier 124, outer piston 122, and inner piston rod 123 passes outer piston 122 and outer piston bar 121, and dish spring 126 places between inner carrier 124 and the outer piston 122, adjusting nut 125 can be adjusted the elastic force size of dish spring 126;
Not when oil cylinder two chambeies lead to pressure oil, by the tension force effect of dish spring 126, the retaining sleeve 128 on the inside and outside piston rod will place object locking therebetween, can not move;
When passing through oil pipe 127 when two oil pockets lead to pressure oil, dish spring 126 is compressed, and the retaining sleeve 128 on the inside and outside piston rod is separately loosening, places object therebetween to be unlocked.
Another kind of dish-shaped oil cylinder locking device as shown in figure 13 is equipped with dish spring 131 in the oil cylinder rodless cavity, piston rod 134 termination connective poles 135, and connecting rod 135 middle part loose joint fixed bars 138, contact is a fulcrum 136, fixed bar 138 is fixed on the cylinder block 132;
When oil pipe 133 led to oil return to oil cylinder, under the tension force effect of dish spring 131, piston rod 134 moved down, and at this moment, lever 135 other ends are pressed to object 137 and are locked;
12 in column sleeve 10 in the embodiment of the invention 1 and cursor slide bearing 11, cursor slide bearing 11 and cursor slide sleeve are furnished with retaining mechanism as shown in figure 12; Following planker 2 is with lathe bed 1, last planker 5 and connect 401 of rotating disks, is furnished with retaining mechanism as shown in figure 13;
7 of rocker arm support 8 in the embodiment of the invention 2 and turning cylinders are furnished with retaining mechanism as shown in figure 12; 6 of following planker 2 and lathe beds are furnished with retaining mechanism as shown in figure 13;
The embodiment of the invention 1,2 described conformal grinding attachments are used, and effect is better, and embodiment 1 polishes outside the hydraulic turbine, embodiment 2 polishes in the hydraulic turbine, the area that two functions are polished to is more than 80% of repair welding surface, if calculate with whole blade face and flow area, then is higher than this value.
Guidance panel connects the Programmable Logic Controller input, the control end of each device of Programmable Logic Controller output termination, drive corresponding component and finish each type games, that is: all motors of the present invention, clutch, hydraulic control and driving element all are subjected to Controlled by Programmable Controller, finish corresponding actions on demand.
Hydraulic control system adopts routine techniques, Programmable Logic Controller to be replaced by other electric control system.
Content of the present invention is not limit described embodiment.
Claims (6)
1. conformal grinding attachment, it is characterized in that: it is made up of equipment executing agency and conformal bistrique, equipment executing agency end connects the conformal bistrique, and equipment executing agency was combined by longitudinal moving mechanism, transverse moving mechanism, vertical movement mechanism, vertical rotating mechanism, horizontal rotating mechanism, any connection of vertical rotating mechanism.
2. conformal grinding attachment as claimed in claim 1, it is characterized in that: transverse moving mechanism is housed on the longitudinal moving mechanism, vertical rotating mechanism is housed on the transverse moving mechanism, on the vertical rotating mechanism vertical movement mechanism is housed, vertical movement mechanism connects horizontal rotating mechanism, laterally rotating mechanism connects vertical rotating mechanism, and vertically rotating mechanism connects linear moving mechanism, and it is that equipment executing agency does not hold that linear moving mechanism is not held.
3. conformal grinding attachment as claimed in claim 1, it is characterized in that: also can connect vertical rotating mechanism earlier on the longitudinal moving mechanism, be connected to transverse moving mechanism on the vertical rotating mechanism, transverse moving mechanism connects vertical movement mechanism, vertical movement mechanism connects vertical rotating mechanism, vertically rotating mechanism connects horizontal rotating mechanism, and laterally rotating mechanism connects linear moving mechanism, and it is that equipment executing agency does not hold that linear moving mechanism is not held.
4. as claim 1 or 2 or 3 described conformal grinding attachments, it is characterized in that: the conformal bistrique is by bistrique (301), bistrique drive motors (302), connector (304), bistrique frame (305), fulcrum (303), connecting rod (311), oil cylinder (310) is formed, wherein, bistrique frame (305) one ends and oil cylinder (310) are connected on the not end of equipment executing agency respectively, on bistrique frame (305) other end fulcrum (303) is arranged, piston rod (313) and (311) flexible connections of connecting rod, connecting rod (311) other end activity connects the connector (304) that portability bistrique drive motors (302) rotates around fulcrum (303) when the oil cylinder fuel feeding, is connected to bistrique (301) on bistrique drive motors (302) axle.
5. as claim 1 or 2 or 3 described conformal grinding attachments, it is characterized in that: under the equipment executing agency running mechanism is housed.
6. conformal grinding attachment as claimed in claim 4 is characterized in that: under the equipment executing agency running mechanism is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104010A CN1069253C (en) | 1994-04-14 | 1994-04-14 | Shapeability grinding device and its usage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94104010A CN1069253C (en) | 1994-04-14 | 1994-04-14 | Shapeability grinding device and its usage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1110207A CN1110207A (en) | 1995-10-18 |
| CN1069253C true CN1069253C (en) | 2001-08-08 |
Family
ID=5031374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94104010A Expired - Fee Related CN1069253C (en) | 1994-04-14 | 1994-04-14 | Shapeability grinding device and its usage |
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| Country | Link |
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| CN (1) | CN1069253C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059626B (en) * | 2010-08-09 | 2012-12-12 | 中信重工机械股份有限公司 | Field processing method for grinding surface of slip ring in feeding slip ring body |
| CN102079058B (en) * | 2010-12-01 | 2012-11-21 | 清华大学 | Steel plate surface magnetic adsorption lift type grinding device |
| CN102528579B (en) * | 2012-02-07 | 2013-12-18 | 宁海县盛源激光科技有限公司 | Automatic profile-followed rotating cutting grinding device |
| CN103639853B (en) * | 2013-12-25 | 2015-11-18 | 杭州杭机股份有限公司 | Inside and outside cylinder grinding machine |
| CN104275638B (en) * | 2014-09-22 | 2016-10-19 | 广东省自动化研究所 | Automatic polishing system and finishing method thereof |
| CN104551930B (en) * | 2014-12-16 | 2017-02-22 | 濮阳贝英数控机械设备有限公司 | Numerical control bearing grinding machine end surface supporting and finishing mechanism and implementation method thereof |
| CN104924161B (en) * | 2015-07-03 | 2017-04-12 | 王杰兴 | Precise tool grinder |
| US9879536B2 (en) * | 2015-12-21 | 2018-01-30 | General Electric Company | Surface treatment of turbomachinery |
| US10384326B2 (en) * | 2015-12-21 | 2019-08-20 | General Electric Company | Surface treatment of turbomachinery |
| CN106425815B (en) * | 2016-12-08 | 2019-06-18 | 宇晶机器（长沙）有限公司 | A kind of curved surface polishing machine of the concave surface 3D polishing |
| CN106378670B (en) * | 2016-12-08 | 2019-04-26 | 宇晶机器（长沙）有限公司 | A kind of method of the concave surface 3D polishing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430090A2 (en) * | 1989-11-30 | 1991-06-05 | MAL TOOL & ENGINEERING DIVISION OF WICKES COMPANIES, INC. | Method and apparatus for honing aircraft blades |
| CN1076396A (en) * | 1993-01-18 | 1993-09-22 | 国营三益电子计算机公司 | Method for grinding shallow recessed arc curved surface |
| EP0592112A1 (en) * | 1992-09-09 | 1994-04-13 | NEWALL MANUFACTURING TECHNOLOGY LIMITED (Formerly known as BUTLER NEWALL LIMITED) | Improvements in or relating to methods of grinding blade tips of turbine/compressor rotors |
-
1994
- 1994-04-14 CN CN94104010A patent/CN1069253C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430090A2 (en) * | 1989-11-30 | 1991-06-05 | MAL TOOL & ENGINEERING DIVISION OF WICKES COMPANIES, INC. | Method and apparatus for honing aircraft blades |
| EP0592112A1 (en) * | 1992-09-09 | 1994-04-13 | NEWALL MANUFACTURING TECHNOLOGY LIMITED (Formerly known as BUTLER NEWALL LIMITED) | Improvements in or relating to methods of grinding blade tips of turbine/compressor rotors |
| CN1076396A (en) * | 1993-01-18 | 1993-09-22 | 国营三益电子计算机公司 | Method for grinding shallow recessed arc curved surface |
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| Publication number | Publication date |
|---|---|
| CN1110207A (en) | 1995-10-18 |
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| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 94104010 of the invention patents in the current issue of authorization announcement, and at the same time corresponding to the 94208395.4 utility model patent to be given up, and in the 17 volume of the 32 issue of the new type of communique on the patent right to abandon the announcement. |
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Owner name: GANSU POWER COMPANY Free format text: FORMER NAME OR ADDRESS: POWER INDUSTRIAL BUREAU, GANSU PROVINCE |
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Address after: Gansu electric power science and technology center, No. 74 Ann West Road, Gansu, Lanzhou Co-applicant after: Lanzhou Railway College Patentee after: Gansu Electric Power Corporation Co-applicant after: Liujiaxia Hydropower Plant of Gansu Electric Power Industry Bureau Co-applicant after: Gnasu Electric Power Experiments Institute of Electric Power Industry Bureau Address before: Qilihe city of Lanzhou province Gansu Xijin Road No. 306 Co-applicant before: Lanzhou Railway College Patentee before: Gansu Electric Power Industry Bureau Co-applicant before: Liujiaxia Hydropower Plant of Gansu Electric Power Industry Bureau Co-applicant before: Gnasu Electric Power Experiments Institute of Electric Power Industry Bureau |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
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