CN108072407A - Turbine case flow-paths inspection system and method - Google Patents
Turbine case flow-paths inspection system and method Download PDFInfo
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- CN108072407A CN108072407A CN201711265311.0A CN201711265311A CN108072407A CN 108072407 A CN108072407 A CN 108072407A CN 201711265311 A CN201711265311 A CN 201711265311A CN 108072407 A CN108072407 A CN 108072407A
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- 238000007689 inspection Methods 0.000 title claims abstract description 39
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The present invention relates to a kind of turbine case flow-paths inspection system and methods, belong to surface detection technique field.Turbine case flow-paths inspection system includes Working gantry, functional entity, marking mechanism and control system.Functional structure is installed on Working gantry, functional entity includes mechanical rollers detection device, laser displacement detection device, elastomeric check device and rotary positioning apparatus, marking mechanism is connected with Working gantry and marking mechanism can be compared with Working gantry closer or far from workpiece, and marking mechanism is used for mark workpieces.Control system is electrically connected with functional entity and marking mechanism.The turbine case flow-paths inspection system can guarantee effective detection workpieces blind area, improve accuracy of detection, easy to operate reliable, ensure that detection validity.The turbine case flow-paths inspection method using above-mentioned turbine case flow-paths inspection system, can realize the mechanization detection of turbine case runner, reduce labour's consumption, improve detection efficiency.
Description
Technical field
The present invention relates to surface detection technique field, in particular to a kind of turbine case flow-paths inspection system and method.
Background technology
In recent years, as turbocharger is fast-developing and technology innovation, it is widely used in automobile, aviation, steamer etc.
Field, the requirement to its critical piece turbine case is also higher and higher, and due to part, generation is more during casting and fabricating
Meat, iron filings residual, especially inside part runner, as shown in Figure 1, since this position is the major function position of part, if residual
Stay foreign matter that can seriously affect the performance of turbocharger, common characterization processes are manually to carry out, and labour's consumption is big, speed
It spends low, of high cost, and there are vision dead zone, can not identify completely bad.Therefore new intellectualized technology is urgently researched and developed to carry out
The detection at the position.
The content of the invention
It is ingenious to utilize laser it is an object of the invention in view of the above-mentioned problems, provide a kind of turbine case flow-paths inspection system
Sensor, displacement sensor, high-accuracy mechanical mechanism etc. realize the detection of turbine case runner inner wall, can guarantee that effective detection workpieces are blind
Accuracy of detection is improved in area, easy to operate reliable, ensure that detection validity, is improved the above problem.
It is another object of the present invention to provide a kind of turbine case flow-paths inspection method, the machineries of realization turbine case runner
Change detection, reduce labour's consumption, improve detection efficiency.
What the present invention was realized in：
The embodiment provides a kind of turbine case flow-paths inspection system, including Working gantry, functional entity, mark
Mechanism and control system；The Working gantry is frame structure, and the Working gantry includes main body rack, workbench and control plane
Plate, the workbench are connected with the main body rack, and the control panel is fixed on the main body rack；The functional entity peace
Loaded on the Working gantry, the functional entity includes mechanical rollers detection device, laser displacement detection device, elastomeric check dress
It puts and rotary positioning apparatus, the mechanical rollers detection device is connected with the main body rack and the mechanical rollers detection device
It can be compared with the main body rack vertically or transverse shifting, the laser displacement detection device are located at the main body rack
On one side and the laser displacement detection device is connected with the main body rack, and the elastomeric check device is slidably arranged on institute
It states Working gantry and the elastomeric check device can be laterally moved compared with the Working gantry, the rotary positioning apparatus
It is connected with the Working gantry by positioning seat, the rotary positioning apparatus can drive workpiece to be revolved compared with the Working gantry
Turn；The marking mechanism is connected with the Working gantry and the marking mechanism can be close or remote compared with the Working gantry
From workpiece, the marking mechanism is used for mark workpieces；The control system is electrically connected with the functional entity and the marking mechanism
It connects.
In this embodiment, treat three sections of detection piece point to be detected respectively, according to design of part, setting mechanical rollers are visited
Device, laser displacement detection device, the detection zone of elastomeric check device are surveyed, the present embodiment is ingenious to utilize laser sensor, position
Displacement sensor, high-accuracy mechanical mechanism etc. realize the detection of turbine case runner inner wall, can guarantee effective detection workpieces blind area, improve inspection
Precision is surveyed, it is easy to operate reliable, it ensure that detection validity.
In optional embodiment of the present invention, the mechanical rollers detection device includes electric sliding rail, driving motor, idler wheel
Probe and the first displacement sensor, the electric sliding rail are horizontally set at the main body rack, the electric sliding rail and the master
Object table frame removably connects, and the driving motor is connected with the electric sliding rail, the idler wheel probe and the electric sliding rail
Slidable connection, the idler wheel probe can under the action of the driving motor along the electric sliding rail compared with the work
Make rack in horizontal and vertically movable, first displacement sensor and idler wheel probe connection, first displacement sensing
Device is used to the displacement distance that the idler wheel is popped one's head in feeding back to peripheral control unit.
In optional embodiment of the present invention, the laser displacement detection device includes angle adjustment plate and radiating laser beams
Device, the angle adjustment plate are removably connected with the Working gantry, and the angle adjustment plate is provided with arc groove, described
Laser beam transmitter is slidably arranged in the arc groove, the laser beam transmitter be used to implement the transmitting of laser with
It receives.
In optional embodiment of the present invention, the angle of the both ends of the surface of the arc groove is 50 °, the radiating laser beams
0 ° -50 ° of the angle of regulation range of device.
In optional embodiment of the present invention, the elastomeric check device includes Pneumatic guide rail, the first driving cylinder, flexibility
Probe and second displacement sensor, the Pneumatic guide rail are removably connected with the workbench, and the Pneumatic guide rail is described in
The horizontal setting of Working gantry, the first driving cylinder are connected with the Pneumatic guide rail, the flexible probe and described first
Driving cylinder connects and the first driving cylinder is used to that the flexible probe to be driven to lean on along the length direction of the Pneumatic guide rail
Close or remote from workpiece, the second displacement sensor is connected with the described first driving cylinder and the second displacement sensor is used for
The displacement distance of the flexible probe is fed back into peripheral control unit.
In optional embodiment of the present invention, the rotary positioning apparatus includes revolving-turret, electric rotating machine, clamps gas
Cylinder, gripping block, locating piece, sensor fixed block and contact sensor, the positioning seat are removably connected with the workbench,
The revolving-turret is rotatably connected with the positioning seat, and the electric rotating machine is installed on the workbench and the electric rotating
Machine is connected with the revolving-turret, and the electric rotating machine is used to that the revolving-turret to be driven to rotate compared with the Working gantry,
The clamping cylinder is connected with the revolving-turret, and the gripping block is connected with the clamping cylinder and the clamping cylinder can
Driving the gripping block, the locating piece is slidably connected with the revolving-turret and the locating piece closer or far from workpiece
It is bonded for the positioning surface with workpiece, the sensor fixed block is slidably arranged on the revolving-turret, and the contact passes
Sensor is fixed on the sensor fixed block.
In optional embodiment of the present invention, the marking mechanism includes marker pen and the second driving cylinder, the mark
Pen is connected with the described second driving cylinder, and the second driving cylinder is fixed on the main body rack, the second driving cylinder
For driving the marker pen closer or far from workpiece.
In optional embodiment of the present invention, the control system includes PLC controller, and the PLC controller is installed on
The Working gantry, the PLC controller are connected with the control panel.
The embodiment of the present invention additionally provides a kind of turbine case flow-paths inspection method, using above-mentioned turbine case flow-paths inspection
System, the turbine case flow-paths inspection method include：
Step S1：Work piece positioning is tight, and rotational workpieces, the laser displacement detection device is using described in detecting laser beam
Distance value H1, the H1 signal of laser displacement detection device and work piece inner surface feeds back to peripheral control unit, with the first preset value Y1
It is compared, if H1 is not fallen in the range of Y1, workpiece is unqualified；
Step S2：The mechanical rollers detection device is moved to designated position and is contacted with the surface of workpiece, rotational workpieces,
The mechanical rollers detection device by detection wheel compared with the displacement distance H2 Real-time Feedbacks of Working gantry to peripheral control unit,
It is compared with the second preset value Y2, if H2 is not fallen in the range of Y2, workpiece is unqualified；
Step S3：The elastomeric check device is moved to be contacted with workpiece runner, and detection workpieces runner rear surface regions are described
Elastomeric check device will pop one's head in and feed back to peripheral control unit compared with the distance H3 of body movement, be carried out pair with the 3rd preset value Y3
Than if H3 is not fallen in the range of Y3, workpiece is unqualified.
In optional embodiment of the present invention, the turbine case flow-paths inspection system is provided with buzzer siren, when any
When abnormal conditions occurs in equipment in step detection process, the buzzer siren buzzer warning, workpiece recovers to initial position；When
When the step S1, the step S2, the step S3 whole normal operations, the marking mechanism is to unqualified workpiece into rower
Know or qualified workpiece is identified the marking mechanism or the marking mechanism is respectively to unqualified workpiece and qualified workpiece
Carry out different marks.
Compared with prior art, beneficial effects of the present invention are：
The turbine case flow-paths inspection system, it is ingenious real using laser sensor, displacement sensor, high-accuracy mechanical mechanism etc.
Existing turbine case runner inner wall detection, can guarantee effective detection workpieces blind area, improve accuracy of detection, easy to operate reliable, ensure that
Detect validity.
Using the turbine case flow-paths inspection method of above-mentioned turbine case flow-paths inspection system, the mechanization of turbine case runner is realized
Detection reduces labour's consumption, improves detection efficiency.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is turbine case flow passage area schematic diagram；
Fig. 2 is the structure diagram for the turbine case flow-paths inspection system that first embodiment of the invention provides；
Fig. 3 is the structure diagram of the mechanical rollers detection device of Fig. 2；
Fig. 4 is the structure diagram of the laser displacement detection device of Fig. 2；
Fig. 5 is the structure diagram of the elastomeric check device of Fig. 2；
Fig. 6 is the structure diagram of the rotary positioning apparatus of Fig. 2；
Fig. 7 is the structure diagram of the marking mechanism of Fig. 2.
Icon：100- turbine case flow-paths inspection systems；11- main body racks；12- workbench；13- control panels；131- is pressed
Key；132- indicator lights；14- safe gratings；15- defective products storing frames；16- positioning seats；21- mechanical rollers detection devices；211-
Electric sliding rail；212- driving motors；213- idler wheels are popped one's head in；The first displacement sensors of 214-；22- laser displacement detection devices；
221- angle adjustment plates；2211- arc grooves；222- laser beam transmitters；23- elastomeric check devices；231- Pneumatic guide rails；
232- first drives cylinder；233- flexible probes；234- second displacement sensors；24- rotary positioning apparatus；241- rotations turn
Platform；242- electric rotating machines；243- clamping cylinders；244- gripping blocks；245- locating pieces；246- sensor fixed blocks；247- is contacted
Sensor；3- marking mechanism；31- marker pens；32- second drives cylinder.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is necessary to which explanation, the orientation or position relationship of the instructions such as term " interior ", " outer " are base
In orientation shown in the drawings or position relationship or the invention product using when the orientation usually put or position relationship, only
It is that the present invention must have specifically with the device for describing rather than indicate or imply meaning or element is simplified for ease of description
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
Connection inside element.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
First embodiment
Fig. 1 is refer to, the present embodiment provides a kind of turbine case flow-paths inspection system 100, including Working gantry, function machine
Structure, marking mechanism 3 and control system.
In the present embodiment, Working gantry provides the rack of support workpiece, and functional entity is installed on Working gantry, function machine
Structure includes mechanical rollers detection device 21, laser displacement detection device 22, elastomeric check device 23 and rotary positioning apparatus 24, rotation
Rotation positioning device 24 can realize positioning and the rotation process of workpiece, mechanical rollers detection device 21, laser displacement detection device
22 and 23 substep of elastomeric check device to workpiece sensing, improve the mechanization of workpiece sensing, improve accuracy of detection and detection efficiency；
By marking mechanism 3, the differentiation of workpiece certified products and defective work is realized, personnel easy to operation clear up defective work；Control system
System is easy to implement automatic detection for the operating and stopping of functional entity and marking mechanism 3.
Concrete structure to all parts of the turbine case flow-paths inspection system 100 and mutual position relationship below
It is described in detail.
Working gantry is frame structure, is used to support functional entity, marking mechanism 3 and control system.As shown in the figure, work
Rack includes main body rack 11, workbench 12 and control panel 13, and main body rack 11 plays the role of support, positioning；Workbench
12 are connected with main body rack 11, convenient for the placement of workpiece；Control panel 13 is fixed on main body rack 11, and control panel 13 is provided with
Multiple buttons 131, for being connected with controller.Multiple buttons 131 include start button, stop key, reset key lamp, multiple
Button 131 is connected with control system, is used to implement electrical control.Multiple indicator lights 132, such as electricity are further included on control panel 13
Source indicator light and run indicator, power supply indicator represent device power instruction, and run indicator represents equipment automatic running.
It is pointed out that in the present embodiment, Working gantry is vertically arranged, and the transverse direction in specification is with vertical with work
Make rack as basis of reference.
Further, in order to improve detection efficiency, Working gantry further includes defective products storing frame 15, defective products storing frame 15
Positioned at 12 bottom of workbench.In the detection process of batch workpiece, defective products workpiece is run into, can first be placed defective products workpiece
In defective products storing frame 15, the nuisance operation of operating personnel is reduced, improves detection efficiency.
Further, in order to improve the security of detection process, the both sides of main body rack 11 are provided with safe grating 14, when
When safe grating 14 has sensed barrier, equipment alarm presses the reset key of control panel 13, alarm release at this time.
As shown in figure 3, mechanical rollers detection device 21 include electric sliding rail 211, driving motor 212, idler wheel probe 213 and
First displacement sensor 214.Electric sliding rail 211 is horizontally set at Working gantry, the both ends of electric sliding rail 211 respectively with main body platform
Frame 11 connects；Driving motor 212 is connected with electric sliding rail 211, for controlling the idler wheel being located on electric sliding rail 211 probe 213
Movement, idler wheel probe 213 is slidably connected with electric sliding rail 211.Idler wheel probe 213 can be in the work of driving motor 212
With it is lower along electric sliding rail 211 compared with main body rack 11 horizontal and vertically movable, so as to fulfill spy of the different position to workpiece
Survey work.First displacement sensor 214 and idler wheel probe 213 be connected, when idler wheel probe 213 contacts workpiece surfaces, to workpiece into
During row detection, the first displacement sensor 214 is used to the displacement distance of idler wheel probe 213 feeding back to peripheral control unit.For side
Just the repair and detection of electric sliding rail 211, electric sliding rail 211 are removably connected with main body rack 11.
It should be noted that electric sliding rail 211 can be selected compared with the distance of workbench 12 according to the actual conditions of workpiece
It takes, the present embodiment is not construed as limiting.
As shown in figure 4, laser displacement detection device 22 includes angle adjustment plate 221 and laser beam transmitter 222, angle tune
Whole plate 221 is removably connected with main body rack 11, and angle adjustment plate 221 is located at one side of Working gantry, convenient for workpiece
Handling and detection；Angle adjustment plate 221 is provided with arc groove 2211, and laser beam transmitter 222 is slidably arranged on arc
In connected in star 2211.Laser beam transmitter 222 can arcuately groove 2211 be slided compared with angle adjustment plate 221, so as to real
The laser beam projects of existing different angle, complete the detection of the workpiece of different position.
It is pointed out that the height of angle adjustment plate 221 is not construed as limiting in the present embodiment, user can be according to work
The actual conditions of part choose the height of different angle adjustment plates 221.
As the optional mode of the present embodiment, the angle of the both ends of the surface of arc groove 2211 is 50 °, is equivalent to, laser beam
Transmitter 222 can realize the angular adjustment in the range of 0 ° -50 °.
In the present embodiment, laser beam transmitter 222 can realize the transmitting and reception of laser, by receiving swashing for feedback
Light collects distance signal.
As shown in figure 5, elastomeric check device 23 is fixed on workbench 12, elastomeric check device 23 include Pneumatic guide rail 231,
First driving cylinder 232, flexible probe 233 and second displacement sensor 234.Pneumatic guide rail 231 is dismountable with workbench 12
Connection, Pneumatic guide rail 231 are set along the transverse direction of Working gantry, and the first driving cylinder 232 is connected with Pneumatic guide rail 231, and flexibility is visited
First 233 are connected and the first driving cylinder 232 is for driving flexible probe 233 along Pneumatic guide rail 231 with the first driving cylinder 232
Length direction is closer or far from workpiece, and second displacement sensor 234 is connected with the first driving cylinder 232, and second displacement passes
Sensor 234 is used to the displacement distance of flexible probe 233 feeding back to peripheral control unit.
It is pointed out that the first displacement sensor 214 and second displacement sensor 234 are high precision displacement sensing
Device convenient for measuring the displacement signal of idler wheel probe 213 and flexible probe 233, improves measurement accuracy.
As shown in fig. 6, rotary positioning apparatus 24 is connected with workbench 12 by positioning seat 16, rotary positioning apparatus 24 includes
Revolving-turret 241, electric rotating machine 242, clamping cylinder 243, gripping block 244, locating piece 245, sensor fixed block 246 and contact
Sensor 247.Positioning seat 16 is detachably arranged in workbench 12, and revolving-turret 241 is rotatably connected with positioning seat 16, rotation
Rotating motor 242 is installed on workbench 12 and electric rotating machine 242 is connected with revolving-turret 241, and electric rotating machine 242 revolves for driving
Platform 241 of walking around is rotated compared with workbench 12；Clamping cylinder 243 is connected with revolving-turret 241 and clamping cylinder 243 can follow
Revolving-turret 241 rotates；Gripping block 244 is connected with clamping cylinder 243 and clamping cylinder 243 can drive gripping block 244 close
Or away from workpiece；Locating piece 245 is arranged in parallel with gripping block 244, and workpiece is between locating piece 245 and gripping block 244, positioning
Block 245 is slidably arranged on revolving-turret 241, and locating piece 245 realizes determining for workpiece for being bonded with the positioning surface of workpiece
Position；Sensor fixed block 246 is slidably arranged on revolving-turret 241, and contact sensor 247 is fixed on sensor fixed block
246.When clamping workpiece positions, the positioning surface of workpiece is bonded with locating piece 245, and contact sensor 247 is contacted with workpiece, contact
The lamp of sensor 247 is lighted, and prompts accurate work piece positioning.
Further, in order to avoid workpiece crushes, gripping block 244 is nylon gripping block 244, can buffer clamping cylinder
The pressure that 243 driving forces applied are formed after being contacted with workpiece.
It should be noted that locating piece 245, sensor fixed block 246 are slidably connected respectively with revolving-turret 241,
Can be according to different workpiece, change locating piece 245, sensor fixed block 246 are located at the position of revolving-turret 241, realize not
With the Set and Positioning of workpiece.Being slidably connected for locating piece 245 and revolving-turret 241 can be diversified forms, sensor fixed block
246 with being slidably connected for revolving-turret 241 can be diversified forms, and user can choose different connection according to actual conditions
Mode.
Marking mechanism 3 is connected with main body rack 11, and marking mechanism 3 can compared with main body rack 11 closer or far from
Workpiece, so as to fulfill the mark of workpiece.As shown in fig. 7, marking mechanism 3, which includes marker pen 31 and second, drives cylinder 32, mark
Pen 31 is connected with the second driving cylinder 32, and the second driving cylinder 32 is fixed on main body rack 11, and the second driving cylinder 32 is used to drive
Dynamic marker pen 31, when marker pen 31 is contacted with workpiece, completes the mark to workpiece closer or far from workpiece.
Control system includes PLC controller, and PLC controller is installed on Working gantry, and PLC controller connects with control panel 13
It connects.The startup of each motion of PLC controller completion, stopping, linear motion, positive counter-rotating, cylinder action, displacement sensing
Device processing and some other electric requirements.Button 131 is connected with PLC controller, can realize electrical control.
The operation principle of the embodiment of the present invention is：
According to use condition, the operating parameter of each component is set, workpiece is positioned over revolving-turret 241, the positioning of workpiece
The tight locating piece 245 of face paste, 247 lamp of contact sensor is bright, presses start button, and clamping cylinder 243 drives gripping block 244 to move,
Workpiece is clamped, revolving-turret 241 starts to rotate, and laser displacement detection device 22 is started to work, and collects distance signal；Turbine case stream
When road junction is rotated to 233 position of flexible probe, revolving-turret 241 stops operating, and the first driving cylinder 232 is started to work, along gas
Dynamic guide rail 231 starts to move, until 234 feedback signal of second displacement sensor, after the completion of flexible probe 233 detects, device moves back
It returns, revolving-turret 241 continues to be rotated up starts reverse direction rotation after a week, while mechanical rollers detection device 21 is in driving electricity
Machine 212 moves under driving along electric sliding rail 211 in horizontal and vertical both direction, and after workpiece returns to initial position, idler wheel is visited
Test position is specified in first 213 movement, and revolving-turret 241 continues positive direction rotation, while 214 Real-time Feedback of the first displacement sensor
The distance of 213 movement of idler wheel probe, until revolving-turret 241 goes to 270 ° of positions, mechanical rollers detection device 21 is retracted, simultaneously
Reverse direction turns to initial position to revolving-turret 241 again, and the second driving cylinder 32 drives marker pen 31 to be identified operation, whole
A detection process is fully completed.During operation, when safe grating 14 has sensed barrier, equipment alarm, at this time
Press the reset key on control panel 13, alarm can release and meanwhile equipment be back to it is in situ etc. to be launched.
Three sections of the present invention point is detected respectively, and according to design of part, setting mechanical rollers detection device 21 detects 0-
One week, the detection 80mm scope inner regions of flexible probe 233 are detected in 50 ° of inclination angle in 270 ° of convolution regions, laser displacement detection device 227
Domain can identify that the region >=3mm is extremely raised different.
Second embodiment
The present embodiment provides a kind of turbine case flow-paths inspection method, the turbine case flow-paths inspection provided using first embodiment
System 100, includes the following steps：
Step S1：Workpiece is positioned over Working gantry, is positioned Workpiece clamping by rotary positioning apparatus 24, rotational workpieces
One week, workpiece rotate while, laser displacement detection device 22 using laser beam feedback inside workpiece surface to receiver away from
From parameter H1 to peripheral control unit, and compared with the first preset value Y1, if H1 is not fallen in the range of Y1, workpiece
It is unqualified；
Step S2：Rotational workpieces to initial position, mechanical rollers detection device 21 be moved to designated position and with workpiece
Surface contacts, and rotational workpieces go to 270 ° of positions, and the detection wheel of mechanical rollers detection device 21 is moved along workpiece surface profile,
Real-time Feedback detection wheel compared with the displacement distance parameter H2 of Working gantry to peripheral control unit, and with the second preset value Y2 into
Row comparison, if H2 is not fallen in the range of Y2, workpiece is unqualified；
Step S3：Workpiece recovers to initial position, and elastomeric check device 23 is moved to be contacted with workpiece runner, elastomeric check
Device 23 moves linearly, detection workpieces runner rear surface regions, and the distance H3 and the 3rd moved according to elastomeric check device 23 is default
Value Y3 is compared, if H3 is not fallen in the range of Y3, workpiece is unqualified.
Further, turbine case flow-paths inspection system 100 is provided with buzzer siren, is set when in either step detection process
For when there are abnormal conditions, buzzer siren buzzer warning, workpiece recovers to initial position；As step S1, step S2, step S3
During whole normal operations, marking mechanism 3 is identified workpiece.Here mark can be a variety of situations, for example, marking mechanism
3 pairs of unqualified workpiece are identified or marking mechanism 3 is identified qualified workpiece or marking mechanism 3 is respectively to unqualified work
The part mark different with qualified workpiece progress.
The present invention is ingenious to be realized using laser sensor, displacement sensor, high-accuracy mechanical mechanism etc. in turbine case runner
Wall detects, and can guarantee effective detection workpieces blind area, improves accuracy of detection, easy to operate reliable, ensure that detection validity.
It should be noted that in the case where there is no conflict, the feature in embodiment in the present invention can be combined with each other.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of turbine case flow-paths inspection system, which is characterized in that including Working gantry, functional entity, marking mechanism and control
System；
The Working gantry is frame structure, and the Working gantry includes main body rack, workbench and control panel, the work
Platform is connected with the main body rack, and the control panel is fixed on the main body rack；
The functional entity is installed on the Working gantry, and the functional entity includes mechanical rollers detection device, laser displacement
Detection device, elastomeric check device and rotary positioning apparatus, the mechanical rollers detection device be connected with the main body rack and
The mechanical rollers detection device can be compared with the main body rack vertically or transverse shifting, the laser displacement detection dress
One side and the laser displacement detection device setting in the main body rack are connected with the main body rack, the elastomeric check
Device is slidably arranged on the Working gantry and the elastomeric check device can be compared with the Working gantry transversely
Mobile, the rotary positioning apparatus is connected with the Working gantry by positioning seat, the rotary positioning apparatus can band start building
Part is rotated compared with the Working gantry；
The marking mechanism be connected with the Working gantry and the marking mechanism can it is close compared with the Working gantry or
Away from workpiece, the marking mechanism is used for mark workpieces；
The control system is electrically connected with the functional entity and the marking mechanism.
2. turbine case flow-paths inspection system according to claim 1, which is characterized in that the mechanical rollers detection device bag
It includes electric sliding rail, driving motor, idler wheel probe and the first displacement sensor, the electric sliding rail and is horizontally set at the main body platform
Frame, the electric sliding rail are removably connected with the main body rack, and the driving motor is connected with the electric sliding rail, described
Idler wheel probe is slidably connected with the electric sliding rail, and the idler wheel probe can be under the action of the driving motor along institute
Electric sliding rail is stated compared with the Working gantry in horizontal and vertically movable, first displacement sensor and idler wheel probe
Connection, first displacement sensor are used to the displacement distance that the idler wheel is popped one's head in feeding back to peripheral control unit.
3. turbine case flow-paths inspection system according to claim 1, which is characterized in that the laser displacement detection device bag
Angle adjustment plate and laser beam transmitter are included, the angle adjustment plate is removably connected with the Working gantry, the angle
Adjustment plate is provided with arc groove, and the laser beam transmitter is slidably arranged in the arc groove, the laser beam
Transmitter is used to implement the transmitting and reception of laser.
4. turbine case flow-paths inspection system according to claim 3, which is characterized in that the both ends of the surface of the arc groove
Angle is 50 °, 0 ° -50 ° of the angle of regulation range of the laser beam transmitter.
5. turbine case flow-paths inspection system according to claim 1, which is characterized in that the elastomeric check device includes gas
Dynamic guide rail, the first driving cylinder, flexible probe and second displacement sensor, the Pneumatic guide rail and the workbench are dismountable
Connection, the Pneumatic guide rail are set along the transverse direction of the Working gantry, and the first driving cylinder is connected with the Pneumatic guide rail,
The flexible probe is connected with the described first driving cylinder and the first driving cylinder is used to drive the flexible probe along institute
The length direction of Pneumatic guide rail is stated closer or far from workpiece, the second displacement sensor be connected with the described first driving cylinder and
The second displacement sensor is used to the displacement distance of the flexible probe feeding back to peripheral control unit.
6. turbine case flow-paths inspection system according to claim 1, which is characterized in that the rotary positioning apparatus includes rotation
Walk around platform, electric rotating machine, clamping cylinder, gripping block, locating piece, sensor fixed block and contact sensor, the positioning seat with
The workbench removably connects, and the revolving-turret is rotatably connected with the positioning seat, the electric rotating machine installation
It is connected in the workbench and the electric rotating machine with the revolving-turret, the electric rotating machine is used to drive the revolving-turret
It is rotated compared with the Working gantry, the clamping cylinder is connected with the revolving-turret, the gripping block and the clamping gas
Cylinder connects and the clamping cylinder can drive the gripping block closer or far from workpiece, the locating piece and the revolving-turret
Slidable connection and the locating piece are used to be bonded with the positioning surface of workpiece, and the sensor fixed block is slidably arranged on
The revolving-turret, the contact sensor are fixed on the sensor fixed block.
7. turbine case flow-paths inspection system according to claim 1, which is characterized in that the marking mechanism includes marker pen
And second driving cylinder, the marker pen with described second driving cylinder be connected, it is described second drive cylinder be fixed on the master
Object table frame, the second driving cylinder are used to drive the marker pen closer or far from workpiece.
8. turbine case flow-paths inspection system according to claim 1, which is characterized in that the control system is controlled including PLC
Device processed, the PLC controller are installed on the Working gantry, and the PLC controller is connected with the control panel.
9. a kind of turbine case flow-paths inspection method, using the turbine case flow-paths inspection system described in claim 1-8 any one,
It is characterized in that, the turbine case flow-paths inspection method includes：
Step S1：Work piece positioning is tight, and rotational workpieces, the laser displacement detection device utilizes laser described in detecting laser beam
Distance value H1, the H1 signal of displacement detecting apparatus and work piece inner surface feeds back to peripheral control unit, is carried out with the first preset value Y1
Comparison, if H1 is not fallen in the range of Y1, workpiece is unqualified；
Step S2：The mechanical rollers detection device is moved to designated position and is contacted with the surface of workpiece, and rotational workpieces are described
Mechanical rollers detection device by detection wheel compared with the displacement distance H2 Real-time Feedbacks of Working gantry to peripheral control unit, with
Two preset value Y2 are compared, if H2 is not fallen in the range of Y2, workpiece is unqualified；
Step S3：The elastomeric check device is moved to be contacted with workpiece runner, detection workpieces runner rear surface regions, the elasticity
Detection device will pop one's head in and feed back to peripheral control unit compared with the distance H3 of body movement, be compared with the 3rd preset value Y3,
If H3 is not fallen in the range of Y3, workpiece is unqualified.
10. turbine case flow-paths inspection method according to claim 9, which is characterized in that the turbine case flow-paths inspection system
Buzzer siren is provided with, when there are abnormal conditions in equipment in either step detection process, the buzzer siren buzzing police
Show, workpiece recovers to initial position；When the step S1, the step S2, the step S3 whole normal operations, the mark
Note mechanism is identified unqualified workpiece or qualified workpiece is identified the marking mechanism or the marking mechanism point
The other mark different with qualified workpiece progress to unqualified workpiece.
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| CN201711265311.0A CN108072407B (en) | 2017-12-05 | 2017-12-05 | Turbine shell flow passage detection system and method |
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| CN201711265311.0A CN108072407B (en) | 2017-12-05 | 2017-12-05 | Turbine shell flow passage detection system and method |
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Address after: 213000, No. 313, Wuyi Road, Jingkai District, Changzhou City, Jiangsu Province Patentee after: CRRC CHANGZHOU AUTO PARTS CO.,LTD. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213000, No. 313, Wuyi Road, Jingkai District, Changzhou City, Jiangsu Province Patentee before: CRRC CHANGZHOU AUTO PARTS CO.,LTD. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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