CN109868471A - The online laser reinforcing device of turbine blade - Google Patents
The online laser reinforcing device of turbine blade Download PDFInfo
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- CN109868471A CN109868471A CN201910205181.4A CN201910205181A CN109868471A CN 109868471 A CN109868471 A CN 109868471A CN 201910205181 A CN201910205181 A CN 201910205181A CN 109868471 A CN109868471 A CN 109868471A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 20
- 238000005253 cladding Methods 0.000 claims abstract description 54
- 238000002844 melting Methods 0.000 claims abstract description 41
- 230000008018 melting Effects 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000008439 repair process Effects 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 230000011218 segmentation Effects 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000005067 remediation Methods 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
A kind of online laser reinforcing device of turbine blade, it includes track, walking mechanism, robot and laser melting coating complete set of equipments, by the track that annular is arranged in rotary wheel of water turbine room, walking mechanism is set on track, robot is connect with walking mechanism, laser melting coating complete set of equipments is connect with robot, by pushing walking mechanism orbital motion band mobile robot to arrive at operation area, is repaired by robot control laser melting coating complete set of equipments to cladding position.The present invention overcomes big to substrate heat affecting during raw water turbine blade conventional arc weldering defect repair, bond strength is low, thickness is not easy to control, not environmentally, the problem that operating space is big, remediation efficiency is low；Simple with structure, small to substrate heat affecting, bond strength is high, and thickness is controllable, environmental protection, is suitable for small job space, and remediation efficiency is high, feature simple to operate.
Description
Technical field
The invention belongs to the reparation of hydraulic turbine local defect, reinforcement technique field, it is related to a kind of turbine blade in line laser
It repairs, intensifying device.
Background technique
Turbine blade is the critical component of flow passage components and energy conversion important in turbine-generator units, longtime running
In the process because the collective effects such as cavitation corrosion, erosion cause it to have the defects of more serious size is thinned, point, perforation, cavitation corrosion, seriously
When will affect unit normal table operation, cause economic loss.It according to the rules should be periodically right for the normal operation for guaranteeing equipment
It carries out repair and maintenance.In turbine blade surface enhanced recovery technique, at present common method be traditional arc surfacing,
Plasma spraying, supersonic spray coating etc., wherein conventional arc technique for overlaying is larger to the heat affecting of substrate, substrate dilution rate compared with
Height, easily causes deformable blade, and arc welding commonly customizes welding rod that the improvement and promotion of Objective cannot be carried out to surface property,
It is big to substrate heat affecting, it is reduced with substrate binding performance；The resulting coating of spraying technology and substrate combinating strength are poor, are easy
Phenomena such as now removing falls off, cannot significantly improve wear-resisting property and resistance to Cavitation, and not environmentally and construction safety risk is big, spraying
Means of defence occupied space is big, inconvenient for operation, and the degree of automation is low, remediation efficiency is low, limited to blade cavitation prevention ability.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of online laser reinforcing device of turbine blade, structure letters
It is single, using the track that annular is arranged in rotary wheel of water turbine room, walking mechanism, robot and walking mechanism are set on track
Connection, laser melting coating complete set of equipments are connect with robot, and walking mechanism orbital motion band mobile robot is pushed to arrive at cladding area
Cladding position is repaired by robot control laser melting coating complete set of equipments in domain, and small to substrate heat affecting, bond strength is high,
Thickness is controllable, and environmental protection, when operation occupies little space, and remediation efficiency is high, simple to operate.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of turbine blade is strong in line laser
Makeup is set, it includes track, walking mechanism, robot and laser melting coating complete set of equipments；The walking mechanism and track cooperate, machine
Device people connect with walking mechanism, and laser melting coating complete set of equipments is connect with robot, and walking mechanism drives Robot track annular
Movement, laser melting coating complete set of equipments transmitting laser beam make substrate surface and powder melts, repair substrate imperfection.
The track includes the inner ring and outer rings connected by connecting rod, and the support connected on the downside of inner ring and outer rings
Frame.
The both ends of multiple connecting rods are connect with the inside in the outside of inner ring and outer ring respectively, and inner ring and outer rings are annular
Circle.
Support frame as described above is triangle, is uniformly distributed in the downside of inner ring and outer rings, it is outer that outer ring is stretched out in one end.
The walking mechanism includes the wheel group connecting with walking chassis downside and locking mechanism, is located in walking chassis
The turntable connector of side connection, and the turntable connecting with turntable connector, wheel group and track cooperate, robot and rotation
Turntable connection.
The walking chassis is two pieces of plates, and the horizontal beam both ends positioned at turntable connector are connected and fixed, turntable connector
Including the longitudinal beam that the horizontal beam parallel with two connects, turntable is connected and fixed with longitudinal beam.
The wheel group includes vertical wheel and lateral idler wheel, is laid in the quadrangle of walking chassis downside, vertical wheel
It is in rolling contact with track upper side, lateral idler wheel is in rolling contact with track side surfaces.
The locking mechanism include with the lock-screw that connect of locking bracket, locking bracket is the bent plate that multiple tracks is bent, two
A lock-screw is passed through and is protruded outward on orthogonal bending side, contradicts lock with track upper side and lateral surface respectively.
The turntable includes cooperating the rotation connecting with rotating seat downside with the rotary shaft of rotating seat cooperation, with rotary shaft
Turntable, and the fixed plate with rotation axis connection, robot is connected and fixed with rotating seat upper side, fixed plate and walking chassis
Longitudinal beam is connected and fixed.
The application method of the online laser reinforcing device of turbine blade as described above, it includes the following steps:
S1 installs support frame, ring steel plate inner wall under the both ends of support frame opening and turbine chamber is connected and fixed, Duo Gezhi
Support is uniformly distributed along runner envelope annular, and support frame upper side is horizontal；
The segmentation of the inner ring and outer rings of track is placed on support frame upper side by S2, attachment rail, then by the inner ring and outer rings of segmentation
The assembled circle body structure circularized respectively, is later connected inner ring and outer rings by connecting rod integral, and inner ring and outer rings are located at same
Center；
S3 installs walking chassis, the vertical wheel of wheel group is mounted on to the downside of walking chassis, then walking chassis is placed on
Lateral idler wheel is mounted on the downside of walking chassis by face contact on the upside of rail superior portion, vertical wheel and inner ring and outer rings again later, with
The inside of inner ring and the outer side contacts of outer ring；
S4 installs turntable, the fixed plate of turntable downside and the longitudinal beam of walking chassis upper side is connected and fixed；
The fixing end of robot is mounted on rotating seat one end of turntable by S5, mounting robot；
S6 installs laser melting coating complete set of equipments, laser melting coating complete set of equipments is mounted on the extended end of robot；
S7, counterweight place clump weight in the rotating seat other end of turntable, make rotating seat both ends according to the weight of robot
Weight is close；
S8, positioning push walking mechanism to arrive near the reparation point in rotary wheel of water turbine room with mobile robot, are located at reparation point
In the telescopic extensions of robot telescopic end；
S9, cladding, robot booting, extended end is flexible close to cladding position, and laser beam irradiation scanning fusing is placed in substrate in advance
The cladding material on surface.
Structure is simple, and using the track that annular is arranged in rotary wheel of water turbine room, walking mechanism, machine are arranged on track
Device people connect with walking mechanism, and laser melting coating complete set of equipments is connect with robot, pushes walking mechanism orbital motion band motivation
Device people arrives at cladding near sites, is repaired by robot control laser melting coating complete set of equipments to cladding position, to substrate heat
Influence small, excellent bonding performance, thickness is controllable, environmental protection, and when operation occupies little space, and remediation efficiency is high, simple to operate.
A kind of online laser reinforcing device of turbine blade, it include track, walking mechanism, robot and laser melting coating at
Cover equipment；Walking mechanism and track cooperate, and robot is connect with walking mechanism, and laser melting coating complete set of equipments is connect with robot,
Walking mechanism drives the circulatory motion of Robot track, and laser melting coating complete set of equipments transmitting laser beam keeps substrate surface and powder molten
Melt, repairs substrate imperfection.Structure is simple, by the way that the track of annular is arranged in rotary wheel of water turbine room, is located on track and row is arranged
Mechanism is walked, robot is connect with walking mechanism, and laser melting coating complete set of equipments is connect with robot, by pushing walking mechanism along rail
Movement band mobile robot in road arrives at cladding region, controls laser melting coating complete set of equipments and robot to cladding position by control system
It is repaired, small to substrate heat affecting, bond strength is high, and thickness is controllable, environmental protection, and when operation occupies little space, and remediation efficiency is high,
It is simple to operate.
In the preferred scheme, track includes the inner ring and outer rings connected by connecting rod, and is located on the downside of inner ring and outer rings
The support frame of connection.Structure is simple, in use, inner ring and outer rings connect integral with connecting rod, structural strength is high, and stability is good,
It connect, plays a supporting role with rotary wheel of water turbine chamber interior walls after being connect on the downside of support frame and inner ring and outer rings.
In the preferred scheme, the both ends of multiple connecting rods are connect with the inside in the outside of inner ring and outer ring respectively, inner ring and
Outer ring is annular ring.Structure is simple, and when production, the both ends of multiple connecting rods connect with the outside of inner ring and outer rings and inside solid respectively
Fixed, the annular distance between inner ring and outer rings is consistent, and structural strength is high, and stability is good.
In the preferred scheme, support frame is triangle, is uniformly distributed in the downside of inner ring and outer rings, and outer ring is stretched out in one end
It is outer.Structure is simple, in use, equipment of the support frame as supporting track and rail superior portion, the support frame of triangular structure
Structural strength is high, and stability is good, and the support frame of triangular structure connect open at one end with inner wall of runner chamber, and extends outer ring
Outside will not collide when walking mechanism being made to orbit with inner wall of runner chamber.
In the preferred scheme, walking mechanism includes the wheel group connecting with walking chassis downside and locking mechanism, position
Match in the turntable connector of walking chassis upper side connection, and the turntable being connect with turntable connector, wheel group with track
It closes, robot is connect with turntable.Structure is simple, in use, walking mechanism is located on the upside of track, the wheel on the downside of walking chassis
Group is in rolling contact with track, and locking mechanism is used to contradict limiting wheel group with track and roll, and walking mechanism is made to remain static,
Cladding is more accurate when scanning, and turntable connector is used to arrive at cladding area in walking mechanism for connecting support turntable, turntable
Behind domain, the angle of rotation adjustment robot, make its in the range of itself stretching, extension can close to cladding position, convenient for scanning and molten
Cover operation, when operation occupies little space, and remediation efficiency is high, simple to operate.
In the preferred scheme, walking chassis is two pieces of plates, and the horizontal beam both ends positioned at turntable connector are connected and fixed,
Turntable connector includes the longitudinal beam of the horizontal beam connection parallel with two, and turntable is connected and fixed with longitudinal beam.Structure is simple, makes
Used time, walking chassis connect each component of walking mechanism, play stable and supporting role, and integral, knot is connect with turntable connector
Structure intensity is high.
In the preferred scheme, wheel group includes vertical wheel and lateral idler wheel, is laid in the four of walking chassis downside
Angle, vertical wheel are in rolling contact with track upper side, and lateral idler wheel is in rolling contact with track side surfaces.Structure is simple, in use, vehicle
The vertical wheel of wheel group and the upper side of inner ring and outer rings are in rolling contact, positioned at walking chassis quadrangle lateral idler wheel respectively with it is interior
The inner side and outer side of ring and outer ring is in rolling contact, and wheel group does not fall out track when rolling, and frictional resistance is small, securely and reliably.
In the preferred scheme, locking mechanism includes the lock-screw connecting with locking bracket, and locking bracket is that multiple tracks is curved
The bent plate of folding, two lock-screws are passed through and are protruded outward on orthogonal bending side, respectively with track upper side and lateral surface
Contradict locking.Structure is simple, and when installation, locking mechanism is located at walking chassis lower part front and rear sides and is connected and fixed, with locking bracket
The lock-screw of the horizontal plane cooperation of bending is contradicted with the upper side of inner ring and outer rings respectively locks, with hanging down for locking bracket bending
The lock-screw for facing cooperation directly is contradicted with the inner side and outer side of inner ring and outer rings respectively locks, and after locking, wheel group cannot be in-orbit
It is rolled on road, when being convenient for cladding operation, reduces fluctuation when cladding scanning, improve cladding precision.
In the preferred scheme, turntable includes under the rotary shaft cooperated with rotating seat and rotary shaft cooperation and rotating seat
The rotating disk of side connection, and the fixed plate with rotation axis connection, robot are connected and fixed with rotating seat upper side, fixed plate
It is connected and fixed with the longitudinal beam of walking chassis.Structure is simple, when installation, the fixed plate of turntable bottom and the longitudinal direction of walking chassis
Beam is connected and fixed, in use, pushing the rotating seat of turntable, it is made to rotate adjustment robot angle, rotating seat rotation around rotary shaft
Drive rotating disk around rotary shaft synchronous rotary when turning, when robot angle adjusts, stability is good.
In the preferred scheme, the application method of the online laser reinforcing device of turbine blade as above, it includes following step
It is rapid:
S1 installs support frame, ring steel plate inner wall under the both ends of support frame opening and turbine chamber is connected and fixed, Duo Gezhi
Support is uniformly distributed along runner envelope annular, and support frame upper side is horizontal；
The segmentation of the inner ring and outer rings of track is placed on support frame upper side by S2, attachment rail, then by the inner ring and outer rings of segmentation
The assembled circle body structure circularized respectively, is later connected inner ring and outer rings by connecting rod integral, and inner ring and outer rings are located at same
Center；
S3 installs walking chassis, the vertical wheel of wheel group is mounted on to the downside of walking chassis, then walking chassis is placed on
Lateral idler wheel is mounted on the downside of walking chassis by face contact on the upside of rail superior portion, vertical wheel and inner ring and outer rings again later, with
The inside of inner ring and the outer side contacts of outer ring；
S4 installs turntable, the fixed plate of turntable downside and the longitudinal beam of walking chassis upper side is connected and fixed；
The fixing end of robot is mounted on rotating seat one end of turntable by S5, mounting robot；
S6 installs laser melting coating complete set of equipments, laser melting coating complete set of equipments is mounted on the extended end of robot；
S7, counterweight place clump weight in the rotating seat other end of turntable, make rotating seat both ends according to the weight of robot
Weight is close；
S8, positioning push walking mechanism to arrive near the reparation point in rotary wheel of water turbine room with mobile robot, are located at reparation point
In the telescopic extensions of robot telescopic end；
S9, cladding, laser melting coating system boot, robot motion drive cladding head close to cladding position, and laser beam is irradiated in base
Material surface makes substrate and cladding material rapid melting, and quickly solidifies in natural heat dissipation, molding.This method structure letter
Singly, it occupies little space when operation, remediation efficiency is high, simple to operate.
A kind of online laser reinforcing device of turbine blade, it include track, walking mechanism, robot and laser melting coating at
Equipment is covered, by the way that the track of annular is arranged in rotary wheel of water turbine room, walking mechanism, robot and walking are set on track
Mechanism connection, laser melting coating complete set of equipments are connect with robot, by pushing walking mechanism orbital motion band mobile robot to support
Up to cladding near sites, cladding position is repaired by robot control laser melting coating complete set of equipments.The present invention overcomes originals
Hydrogenerator defect repair is big to substrate heat affecting in the process, binding performance is low, and thickness controlled range is small, not environmentally, operation
The problem that space is big, remediation efficiency is low has structure simple, and small to substrate heat affecting, excellent bonding performance, thickness is controllable, environmental protection,
It occupies little space when operation, remediation efficiency is high, feature simple to operate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic front view of Fig. 1.
Fig. 3 is the schematic top plan view of Fig. 2.
Fig. 4 is the structural schematic diagram that walking mechanism of the present invention is connected with robot.
Fig. 5 is the schematic front view of Fig. 4.
Fig. 6 is the schematic top plan view of Fig. 5.
Fig. 7 is the structural schematic diagram of walking mechanism of the present invention.
Fig. 8 is the schematic front view of Fig. 7.
Fig. 9 is the schematic top plan view of Fig. 8.
Figure 10 is the schematic side view of Fig. 8.
Figure 11 is the elevational schematic view of Fig. 8.
Figure 12 is the structural schematic diagram of turntable of the present invention.
Figure 13 is the schematic top plan view of Figure 12.
Figure 14 is schematic cross-sectional view at the B-B of Figure 13.
Figure 15 is the structural schematic diagram of locking mechanism of the present invention.
Figure 16 is the schematic front view of Figure 15.
Figure 17 is enlarged diagram at the A of Fig. 1.
Figure 18 is usage state diagram of the present invention.
Figure 19 is the thickness value comparison diagram of blade outlet of the present invention and blade skirt cladding each stage.
Figure 20 is the roughness value comparison diagram of blade body of the present invention and blade skirt cladding each stage.
In figure: track 1, inner ring 11, outer ring 12, connecting rod 13, support frame 14, walking mechanism 2, walking chassis 21, wheel group
22, locking mechanism 23, turntable connector 24, turntable 25, robot 3, laser melting coating complete set of equipments 4.
Specific embodiment
In Fig. 1 ~ Figure 20, a kind of online laser reinforcing device of turbine blade, it includes track 1, walking mechanism 2, machine
Device people 3 and laser melting coating complete set of equipments 4；The walking mechanism 2 cooperates with track 1, and robot 3 is connect with walking mechanism 2, laser
Cladding complete set of equipments 4 is connect with robot 3, and walking mechanism 2 is with mobile robot 3 along 1 circulatory motion of track, and laser melting coating is at being arranged
Standby 4 transmitting laser beam makes substrate surface and powder melts, then solidifies, and repairs substrate imperfection.Structure is simple, by turning in the hydraulic turbine
The track 1 for taking turns indoor setting annular, is located on track 1 and walking mechanism 2 is arranged, and robot 3 is connect with walking mechanism 2, and laser is molten
It covers complete set of equipments 4 to connect with robot 3, arrives at cladding region by pushing walking mechanism 2 to move band mobile robot 3 along track 1,
It controls laser melting coating complete set of equipments 4 by robot 3 to repair cladding position, excellent bonding performance small to substrate heat affecting is thick
Degree is controllable, environmental protection, and when operation occupies little space, and remediation efficiency is high, simple to operate.
In preferred scheme, the track 1 includes the inner ring 11 connected by connecting rod 13 and outer ring 12, and is located at inner ring 11
With the support frame 14 connected on the downside of outer ring 12.Structure is simple, in use, inner ring 11 and outer ring 12 connect with connecting rod 13 it is integral,
Structural strength is high, and stability is good, connect after connecting on the downside of support frame 14 and inner ring 11 and outer ring 12 with rotary wheel of water turbine chamber interior walls,
It plays a supporting role.
In preferred scheme, inside of the both ends of multiple connecting rods 13 respectively with the outside of inner ring 11 and outer ring 12 connects
It connects, inner ring 11 and outer ring 12 are annular ring.Structure is simple, when production, the both ends of multiple connecting rods 13 respectively with inner ring 11 and outer ring
12 outside and inside are connected and fixed, and the annular distance between inner ring 11 and outer ring 12 is consistent, and structural strength is high, surely
It is qualitative good.
Preferentially, inner ring 11 and outer ring 12 are segmental structure, easy to make, when installation, are transported in rotary wheel of water turbine room
It carries out being assembled into ring structure again behind portion, every section of weight after segmentation accordingly reduces, and is readily transported and installs.
Preferentially, inner ring 11 and outer ring 12 use I-steel, and structural strength is high, convenient for the wheel group in walking mechanism 2
22 cooperations, are not easy to derail, securely and reliably.
In preferred scheme, support frame as described above 14 is triangle, is uniformly distributed in the downside of inner ring 11 and outer ring 12, one end
Stretching out outer ring 12 is outer.Structure is simple, in use, equipment of the support frame 14 as 1 top of supporting track 1 and track, triangle
Support frame 14 structural strength of shape structure is high, and stability is good, the support frame 14 of triangular structure connect with inner wall of runner chamber one
End opening, and extend 12 outside of outer ring, it will not collide with inner wall of runner chamber when running walking mechanism 2 on track 1.
Preferably, the overlapped points for the ring structure that the inner ring 11 of segmentation and outer ring 12 form are located on support frame 14, assemble
When it is convenient, be not easy to fall, securely and reliably.
In preferred scheme, the walking mechanism 2 includes the wheel group 22 connecting with 21 downside of walking chassis and locking
Mechanism 23, positioned at the turntable connector 24 of 21 upper side of walking chassis connection, and the turntable being connect with turntable connector 24
25, wheel group 22 and track 1 cooperate, and robot 3 is connect with turntable 25.Structure is simple, in use, walking mechanism 2 is located at rail
The wheel group 22 of 1 upside of road, 21 downside of walking chassis is in rolling contact with track 1, and locking mechanism 23 is used to contradict with track 1 and limit
Wheel group 22 rolls, and walking mechanism 2 is made to remain static, and cladding is more accurate when scanning, and turntable connector 24 is for connecting branch
Support turntable 25, turntable 25 be used for walking mechanism 2 arrive at cladding region after, rotation adjustment robot 3 angle, make its
In the range of itself stretching, extension can close to cladding position, convenient for scanning and cladding operation, when operation, occupies little space, remediation efficiency
Height, it is simple to operate.
In preferred scheme, the walking chassis 21 is two pieces of plates, is connected positioned at the horizontal beam both ends of turntable connector 24
Fixation is connect, turntable connector 24 includes the longitudinal beam of the horizontal beam connection parallel with two, and turntable 25 is connected and fixed with longitudinal beam.
Structure is simple, in use, walking chassis 21 connects each component of walking mechanism 2, stable and supporting role is played, with turntable connector
24 connections are integral, and structural strength is high.
Preferably, the horizontal beam of turntable connector 24 and longitudinal beam are channel steel, and structural strength is high, convenient in cell wall two sides
Open up mounting hole, when connection is convenient.
In preferred scheme, the wheel group 22 includes vertical wheel and lateral idler wheel, is laid in 21 downside of walking chassis
The quadrangle in face, vertical wheel are in rolling contact with 1 upper side of track, and lateral idler wheel is in rolling contact with 1 side of track.Structure is simple,
In use, the vertical wheel of wheel group 22 and the upper side of inner ring 11 and outer ring 12 are in rolling contact, it is located at 21 4 jiaos of walking chassis
Inner side and outer side of the lateral idler wheel respectively with inner ring 11 and outer ring 12 be in rolling contact, wheel group 22 does not fall out track when rolling
1, frictional resistance is small, securely and reliably.
In preferred scheme, the locking mechanism 23 includes the lock-screw connecting with locking bracket, and locking bracket is more
The bent plate of road bending, two lock-screws, which pass through, to be protruded outward on orthogonal bending side, respectively with 1 upper side of track and outside
Side contradicts locking.Structure is simple, and when installation, locking mechanism 23 is located at 21 lower part front and rear sides of walking chassis and is connected and fixed, with
The lock-screw for locking the horizontal plane cooperation of bracket bending is contradicted with the upper side of inner ring 11 and outer ring 12 respectively locks, with locking
The lock-screw of the vertical plane cooperation of bracket bending is contradicted with the inner side and outer side of inner ring 11 and outer ring 12 respectively locks, locking
Afterwards, wheel group 22 cannot roll on track 1, when being convenient for cladding operation, reduce fluctuation when cladding scanning, improve cladding essence
Degree.
In preferred scheme, the turntable 25 includes cooperating and rotating with the rotary shaft of rotating seat cooperation, with rotary shaft
The rotating disk of seat downside connection, and the fixed plate with rotation axis connection, robot 3 are connected and fixed with rotating seat upper side,
The longitudinal beam of fixed plate and walking chassis 21 is connected and fixed.Structure is simple, when installation, the fixed plate and walking of 25 bottom of turntable
The longitudinal beam on chassis 21 is connected and fixed, in use, pushing the rotating seat of turntable 25, it is made to rotate adjustment robot around rotary shaft
3 angles drive rotating disk around rotary shaft synchronous rotary when rotating seat rotates, when 3 angle of robot adjusts, stability is good.
Preferably, rotating seat includes the framework being made of profile, and rotating disk is located at rotating seat downside and is connected and fixed, rotation
Mounting plate is arranged in seat upper side both ends, and robot 3 and the mounting plate of one end are connected and fixed, and setting is matched on the mounting plate of the other end
Weight.
Preferably, rotating disk includes the ring flange connecting with connecting plate, and connecting plate is connected and fixed with framework, rotary shaft and ring flange
The shaft hole matching at center.
Preferably, mounting plate is plate, is that the counterweight of slab construction overlaps on a mounting board, makes it after multiple counterweights overlappings
Keep close with the weight of the robot 3 of the other end.
Preferably, robot 3 is that Staubli Tx90 robot is had using the multi-joint manipulator arm of six degree of freedom
High flexibility, spherical work area can maximally utilise working cell space, and when operation occupies little space, movement spirit
Work is high-efficient, simple to operate.
Preferably, the mechanical part of laser melting coating complete set of equipments 4 is mainly by laser, cooling unit and powder feeding mechanism group
At laser is mainly used for emitting high-power laser beam, is conveyed and is melted by powder feeding mechanism after scanner scans substrate imperfection position
Material is covered, is filled at substrate imperfection, cladding material is melted under laser beam irradiation, is fused into one with substrate, is repaired
Substrate imperfection position, cooling unit cools down cladding point, small to substrate surface heat affecting.
Preferably, cladding material is stellite6 powder, and good with substrate surface combination interface, compactness is good, can be to same
Multiple cladding is a little carried out, convenient for control cladding thickness, without obvious stomata, crackle, smoke dust, without pernicious gas, environmental protection.
Preferably, laser melting coating complete set of equipments 4 is to inner wall of runner chamber, turbine blade rear surface regions, skirt transitional region
And skirt region carries out reparation enhancing, and sanding and polishing is carried out after cladding, reduces resistance.
In preferred scheme, the application method of the online laser reinforcing device of turbine blade as described above, it includes such as
Lower step:
S1 installs support frame, and ring steel plate inner wall under both ends that support frame 14 is open and turbine chamber is connected and fixed, multiple
Support frame 14 is uniformly distributed along runner envelope annular, and 14 upper side of support frame is horizontal；
The inner ring 11 of track 1 and the segmentation of outer ring 12 are placed on 14 upper side of support frame by S2, attachment rail, then will be in segmentation
Ring 11 and the outer ring 12 assembled circle body structure circularized respectively, inner ring 11 and outer ring 12 are connected by connecting rod 13 later it is integral,
Inner ring 11 and outer ring 12 are located at same center；
S3 installs walking chassis, the vertical wheel of wheel group 22 is mounted on to the downside of walking chassis 21, then by walking chassis 21
It is placed on 1 top of track, vertical wheel and 12 upside face contact of inner ring 11 and outer ring, lateral idler wheel is mounted on walking again later
21 downside of chassis, with the inside of inner ring 11 and the outer side contacts of outer ring 12；
S4 installs turntable, the fixed plate of 25 downside of turntable and the longitudinal beam of 21 upper side of walking chassis is connected and fixed；
The fixing end of robot 3 is mounted on rotating seat one end of turntable 25 by S5, mounting robot；
S6 installs laser melting coating complete set of equipments, laser melting coating complete set of equipments 4 is mounted on the extended end of robot 3；
S7, counterweight place clump weight in the rotating seat other end of turntable 25, make rotating seat both ends according to the weight of robot 3
Weight it is close；
S8, positioning push walking mechanism 2 to arrive near the reparation point in rotary wheel of water turbine room with mobile robot 3, make to repair point
In in the telescopic extensions of 3 telescopic end of robot；
S9, cladding, laser melting coating system boot, robot motion drive cladding head close to cladding position, and laser beam is irradiated in base
Material surface makes substrate and cladding material rapid melting, and quickly solidifies in natural heat dissipation, molding.This method structure letter
Singly, it occupies little space when operation, remediation efficiency is high, simple to operate.
When installing and using, the track 1 of annular, position is arranged in jet mixing device as described above in rotary wheel of water turbine room
In walking mechanism 2 is arranged on track 1, robot 3 is connect with walking mechanism 2, and laser melting coating complete set of equipments 4 is connect with robot 3,
It pushes walking mechanism 2 to move band mobile robot 3 along track 1 and arrives at cladding near sites, it is complete to control laser melting coating by robot 3
Equipment 4 repairs cladding position, small to substrate heat affecting, and excellent bonding performance, thickness is controllable, environmental protection, occupies when operation empty
Between it is small, remediation efficiency is high, simple to operate.
In use, inner ring 11 and outer ring 12 connect integral with connecting rod 13, structural strength is high, and stability is good, support frame 14
It connect, plays a supporting role with rotary wheel of water turbine chamber interior walls with after connection on the downside of inner ring 11 and outer ring 12.
When production, the both ends of multiple connecting rods 13 are connected and fixed with the outside and inside of inner ring 11 and outer ring 12 respectively, are located at
Annular distance between inner ring 11 and outer ring 12 is consistent, and structural strength is high, and stability is good.
In use, equipment of the support frame 14 as 1 top of supporting track 1 and track, 14 knot of support frame of triangular structure
Structure intensity is high, and stability is good, and the support frame 14 of triangular structure connect open at one end with inner wall of runner chamber, and extends outer ring
12 outsides, will not collide when running walking mechanism 2 on track 1 with inner wall of runner chamber.
In use, walking mechanism 2 is located at 1 upside of track, wheel group 22 and the rolling of track 1 of 21 downside of walking chassis are connect
Touching, locking mechanism 23 are used to contradict limiting wheel group 22 with track 1 and roll, and so that walking mechanism 2 is remained static, cladding scanning
When it is more accurate, turntable connector 24 for connect support turntable 25, turntable 25 be used for walking mechanism 2 arrive at cladding region
Afterwards, the angle of rotation adjustment robot 3, make its in the range of itself stretching, extension can close to cladding position, convenient for scanning and molten
Cover operation, when operation occupies little space, and remediation efficiency is high, simple to operate.
In use, walking chassis 21 connects each component of walking mechanism 2, stable and supporting role is played, with turntable connector
24 connections are integral, and structural strength is high.
In use, the vertical wheel of wheel group 22 and the upper side of inner ring 11 and outer ring 12 are in rolling contact, it is located at walking bottom
Inner side and outer side of 21 4 jiaos of disk of the lateral idler wheel respectively with inner ring 11 and outer ring 12 is in rolling contact, and wheel group 22 will not when rolling
Deviate from track 1, frictional resistance is small, securely and reliably.
When installation, locking mechanism 23 is located at 21 lower part front and rear sides of walking chassis and is connected and fixed, with locking bracket bending
The lock-screw of horizontal plane cooperation is contradicted with the upper side of inner ring 11 and outer ring 12 respectively locks, vertical with locking bracket bending
The lock-screw of face cooperation is contradicted with the inner side and outer side of inner ring 11 and outer ring 12 respectively locks, and after locking, wheel group 22 cannot
It rolls on track 1, when being convenient for cladding operation, reduces fluctuation when cladding scanning, improve cladding precision.
When installation, the longitudinal beam of the fixed plate and walking chassis 21 of 25 bottom of turntable is connected and fixed, in use, pushing rotation
The rotating seat of turntable 25 makes it rotate adjustment 3 angle of robot around rotary shaft, drives rotating disk around rotary shaft when rotating seat rotates
Synchronous rotary, when 3 angle of robot adjusts, stability is good.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of online laser reinforcing device of turbine blade, it is characterized in that: it includes track (1), walking mechanism (2), machine
People (3) and laser melting coating complete set of equipments (4)；The walking mechanism (2) and track (1) cooperate, robot (3) and walking mechanism
(2) it connects, laser melting coating complete set of equipments (4) is connect with robot (3), and walking mechanism (2) band mobile robot (3) is along track (1)
Circulatory motion, laser melting coating complete set of equipments (4) transmitting laser beam make substrate surface and powder melts, repair substrate imperfection.
2. the online laser reinforcing device of turbine blade according to claim 1, it is characterized in that: the track (1) includes
By the inner ring (11) and outer ring (12) of connecting rod (13) connection, and it is located at the support frame connected on the downside of inner ring (11) and outer ring (12)
(14).
3. the online laser reinforcing device of turbine blade according to claim 2, it is characterized in that: multiple connecting rods
(13) both ends are connect with the inside in the outside of inner ring (11) and outer ring (12) respectively, and inner ring (11) and outer ring (12) are annular
Circle.
4. the online laser reinforcing device of turbine blade according to claim 2, it is characterized in that: support frame as described above (14) is
Triangle is uniformly distributed in the downside of inner ring (11) and outer ring (12), and it is outer that outer ring (12) are stretched out in one end.
5. the online laser reinforcing device of turbine blade according to claim 1, it is characterized in that: the walking mechanism (2)
Including the wheel group (22) connecting with walking chassis (21) downside and locking mechanism (23), it is located at walking chassis (21) upper side
The turntable connector (24) of connection, and the turntable (25) being connect with turntable connector (24), wheel group (22) and track (1)
Cooperation, robot (3) are connect with turntable (25).
6. the online laser reinforcing device of turbine blade according to claim 5, it is characterized in that: the walking chassis (21)
For two pieces of plates, the horizontal beam both ends for being located at turntable connector (24) are connected and fixed, and turntable connector (24) includes parallel with two
Horizontal beam connection longitudinal beam, turntable (25) is connected and fixed with longitudinal beam.
7. the online laser reinforcing device of turbine blade according to claim 5, it is characterized in that: the wheel group (22) is wrapped
Vertical wheel and lateral idler wheel are included, the quadrangle of walking chassis (21) downside is laid in, vertical wheel and track (1) upper side roll
Dynamic contact, lateral idler wheel are in rolling contact with track (1) side.
8. the online laser reinforcing device of turbine blade according to claim 5, it is characterized in that: the locking mechanism (23)
Including the lock-screw connecting with locking bracket, locking bracket is the bent plate of multiple tracks bending, and two lock-screws are passed through to evagination
Out on orthogonal bending side, contradicts lock with track (1) upper side and lateral surface respectively.
9. the online laser reinforcing device of turbine blade according to claim 5, it is characterized in that: the turntable (25) wraps
It includes and cooperates the rotating disk connecting with rotating seat downside with the rotary shaft of rotating seat cooperation, with rotary shaft, and connect with rotary shaft
The fixed plate connect, robot (3) are connected and fixed with rotating seat upper side, and fixed plate connect solid with the longitudinal beam of walking chassis (21)
It is fixed.
10. the application method of the online laser reinforcing device of described in any item turbine blades according to claim 1 ~ 9, feature
It is that it includes the following steps:
S1 installs support frame, and ring steel plate inner wall under the both ends of support frame (14) opening and turbine chamber is connected and fixed, more
A support frame (14) is uniformly distributed along runner envelope annular, and support frame (14) upper side is horizontal；
The inner ring (11) of track (1) and outer ring (12) segmentation are placed on support frame (14) upper side by S2, attachment rail, then will
The inner ring (11) and outer ring (12) of the segmentation assembled circle body structure circularized respectively, by inner ring (11) and outside by connecting rod (13) later
Ring (12) connection is integral, and inner ring (11) and outer ring (12) are located at same center；
S3 installs walking chassis, the vertical wheel of wheel group (22) is mounted on to the downside of walking chassis (21), then the bottom that will walk
Disk (21) is placed on track (1) top, and face contact on the upside of vertical wheel and inner ring (11) and outer ring (12) will be rolled laterally again later
Wheel is mounted on the downside of walking chassis (21), with the inside of inner ring (11) and the outer side contacts of outer ring (12)；
S4 installs turntable, the fixed plate of turntable (25) downside is connect with the longitudinal beam of walking chassis (21) upper side
It is fixed；
The fixing end of robot (3) is mounted on rotating seat one end of turntable (25) by S5, mounting robot；
S6 installs laser melting coating complete set of equipments, laser melting coating complete set of equipments (4) is mounted on the extended end of robot (3)；
S7, counterweight place clump weight in the rotating seat other end of turntable (25), make rotating seat according to the weight of robot (3)
The weight at both ends is close；
S8, positioning push walking mechanism (2) to arrive near the reparation point in rotary wheel of water turbine room with mobile robot (3), make to repair
Point is located in the telescopic extensions of robot (3) telescopic end；
S9, cladding, robot (3) booting, extended end is flexible close to cladding position, and laser beam irradiation scanning fusing is placed in base in advance
The cladding material on material surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910205181.4A CN109868471A (en) | 2019-03-18 | 2019-03-18 | The online laser reinforcing device of turbine blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205181.4A CN109868471A (en) | 2019-03-18 | 2019-03-18 | The online laser reinforcing device of turbine blade |
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| CN109868471A true CN109868471A (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205181.4A Pending CN109868471A (en) | 2019-03-18 | 2019-03-18 | The online laser reinforcing device of turbine blade |
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