CN106644392A - Single-axis inspection scope with spherical camera and method for internal inspection of power generation machinery - Google Patents

Single-axis inspection scope with spherical camera and method for internal inspection of power generation machinery Download PDF

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Publication number
CN106644392A
CN106644392A CN201610902330.9A CN201610902330A CN106644392A CN 106644392 A CN106644392 A CN 106644392A CN 201610902330 A CN201610902330 A CN 201610902330A CN 106644392 A CN106644392 A CN 106644392A
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CN
China
Prior art keywords
driving
tube
telescoping tube
camera
generator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610902330.9A
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Chinese (zh)
Other versions
CN106644392B (en
Inventor
J·德阿斯卡尼斯
D·莱特
I·皮尔萨尔
C·小黑彻尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Inc
Original Assignee
Siemens Power Generations Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US14/803,149 external-priority patent/US9778141B2/en
Priority claimed from US15/212,370 external-priority patent/US9948835B2/en
Application filed by Siemens Power Generations Inc filed Critical Siemens Power Generations Inc
Publication of CN106644392A publication Critical patent/CN106644392A/en
Application granted granted Critical
Publication of CN106644392B publication Critical patent/CN106644392B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00Testing of engines
    • G01M15/14Testing gas-turbine engines or jet-propulsion engines
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476Non-optical details, e.g. housings, mountings, supports
    • G02B23/2484Arrangements in relation to a camera or imaging device

Abstract

Internal components of power generation machinery, such as gas turbine engines, are inspected with a spherical optical camera inspection system mounted on a compact diameter, single-axis inspection scope that is capable of insertion within an inspection port or other accessible insertion site. The inspection scope includes nested, non-rotatable telescoping tubes, which define an extension axis. Circumscribing, telescoping tubes have anti-rotation collars, which are in sliding engagement with a mating axial groove on an outer circumferential surface of a circumscribed tube. The camera is advanced and/or retracted along a scope extension axis by nested, drive tubes, which incorporate at least one external drive screw on a circumscribed drive tube and corresponding female threads formed in a circumscribing drive tube. The spherical camera has a 360-degree field of view, and captures images without rotation about the scope extension axis.

Description

Single shaft ray examination scope with spherical camera and in generating project The method that portion checks
Prioity claim
This application claims entitled " the Optical Inspection Scope with that on July 20th, 2015 submits to The U.S. Patent Application Serial Number 14/803,149 of Deformable, Self-Supporting Deployment Tether " Priority, and be its part continuation application, the U.S. Patent application is entitled " the System and that on January 31st, 2012 submits to Method For Automated Optical Inspection of Industrial Gas Turbines and Other The U.S. Patent application sequence of Power Generation Machinery with Multi-Axis Inspection Scope " The part continuation application of row number 13/362,352, this application be now on May 6th, 2014 authorize United States Patent (USP) No.8,713, 999;And require entitled " the Hybrid Scope-Turbine Combustor Hardware of the submission on the 23rd of August in 2012 Visual Inspection Tooling That Can Also Be Used To Inspect The Row 1 Turbine The U.S. Provisional Patent Application Serial No. 61/ of Blades While They Are On Turning Gear (1-1000rpm) " 692,393 priority;And require entitled " the Vision Scope-3D Scanner Tip of the submission on the 23rd of August in 2012 The U.S. Provisional Patent Application Serial No. 61/692,409 of for Visual Inspection and Measurement " is excellent First weigh, the above-mentioned full content of each is incorporated herein by reference.
Technical field
The present invention relates to a kind of lossless visual inspection of generating project (such as combustion gas turbine).More specifically, this The bright visual inspection for being related to generating project (such as combustion gas turbine with inspection system), there is the observation of single shaft ray examination to set for it Standby and spherical camera.In many examples, the inspection scope with camera is inserted in the inspection socket of machine.
Background technology
Entitled " the System and Method For Automated Optical for such as submitting on May 6th, 2014 Inspection of Industrial Gas Turbines and Other Power Generation Machinery U.S. Patent Application No. No.8 of with Multi-Axis Inspection Scope ", 713,999 descriptions, generating project (such as generator or steam or combustion gas turbine) was typically continuously operated and with the planned examination and maintenance cycle, During examination and maintenance, machine is by offline (taken off line) and closes, and recognizes during checking for inspection and maintenance Any part.Here, further description will focus on the inspection of exemplary combustion gas turbine.Once cooling, using light Learn camera inspection systems to check the combustion gas turbine now for static state.Illustrate in U.S. Patent application No.8,713,999 With description inspection scope embodiment include multiaxis check scope, by link scope section rotation and Joint motions, it is conducive to the selective orientation of in-engine optical check camera fields of view.In United States Patent (USP) No.8,713, In some embodiments described in 999, check that scope has single offset axis, with 360 degree of the rotating camera visual field Ability.Single offset axis, the embodiment in the scope visual field of rotation are described as to inserting blade and wheel blade in turbine It is useful between row.
The content of the invention
Present inventors have recognized that the optical camera inspection system that part of the development with minor diameter is surrounded is needed, for inserting The relatively small engine inspection socket of little to 1.709 inches (43.41 millimeters) diameters.Therefore, shown by using described here Example property embodiment, any mouth for being more than 43.41 millimeters or other passages become potential scope insertion place, for example, burn Room pilot burner passage.
The exemplary embodiment of the optical check scope of the present invention can be plugged into little to 1.709 inches (43.41 millis Rice) engine (or other generating projects) inspection socket, or other potential scopes insert places.Using installed in tight The hemispherical optical camera inspection systems inspection machine (such as combustion gas turbine) gathered on the single shaft ray examination scope of diameter Internal part.Including camera scope be inserted into inspection socket or other can and insertion place in.Check that observation sets It is standby to include limiting nested, the non-rotary telescoping tube for extending axis.External telescoping tube has anti-rotational circle, its with it is external Pipe outer surface on the axial groove of matching be sliding engaged.In certain embodiments, the anti-rotational circle of matching includes one Individual or multiple ball bearings, it engages corresponding axial groove and combination forms linear slide bearing.Spherical camera has 360 degree The visual field, and capture the interior view of engine or other generators as and axis rotation need not be extended around scope.Camera Extend axis along scope by nested driving tube to advance and/or retraction, the driving tube is included by external driving tube On at least one outside drive screw thread and matching external driving tube in formed corresponding internal thread.In some realities In applying example, camera fields of view advances in checked machine, and image is captured in progressive position respectively.In some enforcements In example, image processing system is by combination image respectively to the composite image that can be navigated.
The system that the exemplary embodiment of the present invention is characterised by the internal check for generator.The system include for It is inserted into the mono-axial of the inspection socket of generator, extendible inspection scope.Check that scope has nested first Telescoping tube and the second telescoping tube, it has respectively proximally and distally and axial length.Second telescoping tube has in its outer weekly form Axial groove on face.First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, its axle with the second telescoping tube It is slidably engaged to groove.Scope also has the first nested driving tube and the second driving tube being maintained in telescoping tube, its point Ju You not proximally and distally and axial length.First driving tube has the first driving lining for being connected to its distal end, and it all exists It is rotatable in telescoping tube, and the first driving lining limits the hole with driving internal thread.Second driving tube is defined and first The driving external screw thread of the outside that driving lining internal thread is engaged.Camera installing ring is rigidly coupled to the second telescoping tube and second The distal end of the difference of driving tube, this prevents it from rotating against.Rotatable drive hub is connected to the near-end of the first driving tube, is used for It selectively rotates.Mounting flange is connected to the first telescoping tube, for being fixed to the inspection socket of generator.System also includes tool Have the spherical camera in the 360 degree visuals field, it is connected on camera installing ring, for being inserted into generator in and capture wherein Check image.
In certain embodiments, the distal part of rotatable drive hub is oriented in the near-end of the first telescoping tube, and is connect Close in the first driving tube, and the near-end of drive hub point is connected on the driven gear outside the first telescoping tube.It is specific at this Embodiment in, the first driving gear is engaged with driven gear, for rotary drive gear and drive hub.Driving equipment is connected to On first driving gear, such as hand-crank or electro-motor.Some embodiments include parallel hand-crank and electro-motor Drive, be each coupled to the driving gear of their own.In certain embodiments, one or more anti-rotational circles keep ball axle Hold, the ball bearing be formed in matching, engaged by the corresponding axial groove in the periphery of external telescoping tube, its combination Including linear bearing assemblies.In certain embodiments, camera is maintained at and is connected in the camera case of camera installing ring.At some In embodiment, camera case also includes illuminator, a such as discharge optical diode (" LED ").In certain embodiments, system Including the position coder for hub rotation to be associated with the axial displacement of camera fields of view;And be connected to camera and position and compile The image processing system of code device, for being stored in multiple images that different cameras axial direction displaced positions are obtained, and for inciting somebody to action Multiple inspection combination images are in composite image.In certain embodiments, check that scope includes more than two telescoping tube And/or more than two nested driving tube.
The system that the other examples embodiment of the present invention is characterised by the internal check for generator.The system bag Include and limit mono-axial, the extendible inspection scope for extending axis, it is used to be inserted into the inspection socket of generator.Observation sets Getting everything ready has the first telescoping tube of nesting, the second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube;They have respectively near-end and remote End and axial length.Second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube have respectively on its outer circumferential surface axial groove. First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, is slidably engaged with the axial groove of the second telescoping tube.The Two telescoping tubes have the second anti-rotational circle in its proximate distal ends connection, are slidably engaged with the axial groove of the 3rd telescoping tube.3rd Telescoping tube has the 3rd anti-rotational circle in its proximate distal ends connection, is slidably engaged with the axial groove of the 4th telescoping tube.Observation sets Standby also to have the first nested driving tube, the second driving tube and the 3rd driving tube being maintained in telescoping tube, they have respectively Proximally and distally and axial length.First driving tube has the first driving lining for being connected to its distal end, and it all stretches the 4th It is rotatable in the draw.First driving lining is defined with the hole for driving internal thread.Second driving tube is defined and driven with first The external screw thread of the outside that the internal thread of dynamic bushing is engaged, and with the second driving lining of its distal end is connected to, it all exists It is rotatable in 4th telescoping tube.Second driving lining is defined with the hole for driving internal thread.3rd driving tube define with The external screw thread of the outside that the second driving lining internal thread is engaged.Inspection system also include be rigidly coupled to the 4th telescoping tube and The camera installing ring of the distal end of the difference of the 3rd driving tube, prevents it from rotating against.Rotatable drive hub is connected to the first drive The near-end of dynamic pipe, for its selective rotation.Mounting flange is connected on the first telescoping tube, for being fixed to the inspection of generator Look into mouth.Inspection system also includes the spherical camera with the 360 degree visuals field, and it is connected on camera installing ring, for being inserted into Check image is captured in generator and wherein.In certain embodiments, system includes position coder, for hub to be rotated It is associated with the axial displacement of camera fields of view;And the image processing system of camera and position coder is connected to, for storing In multiple images that different camera axial direction displaced positions is obtained, and for checking combination images to the conjunction that can be navigated by multiple Into in image.
The method that the extra exemplary embodiment of the present invention is characterised by the internal check for generator.In the party In the implementation of method, there is provided for the system of the inspection of generator.The system includes limiting the mono-axial for extending axis, may extend away Inspection scope, it is used to be inserted into the inspection socket of generator.The scope of offer has the first nested telescoping tube With the second telescoping tube, it has respectively proximally and distally and axial length.Second telescoping tube has on its outer circumferential surface Axial groove.First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, slides with the axial groove of the second telescoping tube Engagement.Nested the first driving tube and the second driving tube is kept in telescoping tube, and it has respectively proximally and distally and axially long Degree.First driving tube has the first driving lining for being connected to its distal end, and it is rotatable all in telescoping tube.First driving lining Define with the hole for driving internal thread.Second driving tube defines the drive of the outside engaged with the first driving lining internal thread Dynamic external screw thread.Scope also has the camera peace of the distal end of the difference for being rigidly coupled to the second telescoping tube and the second driving tube Dress circle, prevents it from rotating against.Rotatable drive hub is connected to the near-end of the first driving tube, for its selective rotation. Mounting flange is connected on the first telescoping tube, for being fixed to the inspection socket of generator.Spherical camera with the 360 degree visuals field Be connected on camera installing ring, for being inserted into generator in and capture check image wherein.In implementation during the method, The mounting flange of the inspection scope of offer is fixed to the inspection socket of generator, or other inspections of machine enter place, And will check that scope is inserted.Then, rotation driving hub, thus rotates the first driving tube, and it is successively in generator Inside make the second driving tube and camera fields of view advance, and camera need not be made around the extension axis rotation for checking scope.Work as phase When the machine visual field is advanced in machine, in multiple positions the camera image of the difference in generator is captured.
The feature of the exemplary embodiment of invention described herein can in any combinations or sub-portfolio jointly or Individually apply.
The invention discloses technical scheme below:
1. a kind of system of the internal check for generator, including:
For the mono-axial for being inserted into the inspection socket of generator, extendible inspection scope, have:
Nested the first telescoping tube and the second telescoping tube, respectively with proximally and distally and axial length,
Second telescoping tube has on its outer circumferential surface axial groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axle with second telescoping tube It is slidably engaged to groove;
The the first nested driving tube being maintained in telescoping tube and the second driving tube have respectively proximally and distally and axle To length,
First driving tube has the first driving lining for being connected to its distal end, and it is rotatable all in telescoping tube, institute State the first driving lining and limit and there is the hole for driving internal thread,
Second driving tube limits the driving external screw thread of the outside engaged with the first driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of second telescoping tube and second driving tube, prevents It is rotated against;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the inspection socket of the generator;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into the generator In and capture check image wherein.
2. the system as described in technical scheme 1, further includes:
The distal part of rotatable drive hub is oriented in the near-end of first telescoping tube, and is driven described first Engagement in pipe;
The near-end of the drive hub point is connected to the driven gear in the outside of first telescoping tube;
First driving gear is engaged with the driven gear, for rotating the driven gear and the drive hub;And
Driving equipment is connected to first driving gear.
3. the system as described in technical scheme 2, the driving equipment includes hand-crank.
4. the system as described in technical scheme 2, the driving equipment includes electro-motor.
5. the system as described in technical scheme 2, further includes:
First driving gear is directly engaged with the driven gear, is driven by hand-crank driving equipment;And
Second driving gear is directly engaged with the driven gear, by electrical motor driven;
Driving gear respectively can independently and selectively drive the driven gear.
6. the system as described in technical scheme 1, the first anti-rotational circle keeps ball bearing, the ball bearing to stretch second Engagement in the axial groove of the draw.
7. the system as described in technical scheme 1, further includes:It is arranged on and is nested in the first telescoping tube and second to stretch At least one extra telescoping tube between the draw, each extra telescoping tube limits axial groove on its outer circumferential surface, uses Engage in the anti-rotational circle with external telescoping tube, and in the anti-rotational circle of its proximate distal ends connection, and remain at It is slidably engaged by the axial groove of the interior telescoping tube for connecing.
8. the system as described in technical scheme 1, further includes:It is arranged on and is nested in the first driving tube and second to drive At least one extra driving tube between dynamic pipe, each extra driving tube limits the outer spiral shell of driving on its outer circumferential surface Line, for engaging with the internal thread of the driving lining of external driving tube, and the driving lining coupled in its proximate distal ends, with The driving screw thread by the interior driving tube for connecing for remaining at is slidably engaged.
9. the system as described in technical scheme 1, further includes:It is connected to camera circle, the encirclement camera camera Housing.
10. the system as described in technical scheme 9, the camera case further includes to be connected to illuminator thereon, For the illumination of camera fields of view.
11. systems as described in technical scheme 1, further include:
Position coder, for hub rotation to be associated with the axial displacement of camera fields of view;And
The image processing system of the camera and the position coder is connected to, for being stored in different camera axial directions Multiple images that displaced position is obtained, and for checking combination images to composite image by multiple.
A kind of 12. systems of the internal check for generator, including:
Mono-axial, the extendible inspection scope for extending axis is limited, for being inserted into the inspection socket of generator, institute State scope to have:
Nested the first telescoping tube, the second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube, respectively with proximally and distally And axial length,
Second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube have respectively on its outer circumferential surface axle To groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axle with second telescoping tube It is slidably engaged to groove;
Second telescoping tube has the second anti-rotational circle in its proximate distal ends connection, the axle with the 3rd telescoping tube It is slidably engaged to groove;
3rd telescoping tube has the 3rd anti-rotational circle in its proximate distal ends connection, the axle with the 4th telescoping tube It is slidably engaged to groove;
The first nested driving tube in telescoping tube, the second driving tube and the 3rd driving tube are maintained at, respectively with near-end With distal end and axial length,
First driving tube has the first driving lining for being connected to its distal end, and it all can in the 4th telescoping tube Rotation, first driving lining is limited has the hole for driving internal thread,
Second driving tube limits the external screw thread of the outside engaged with the internal thread of first driving lining, and With the second driving lining for being connected to its distal end, it is all rotatable in the 4th telescoping tube, second driving lining Limit and there is the hole for driving internal thread,
3rd driving tube limits the external screw thread of the outside engaged with the second driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of the 4th telescoping tube and the 3rd driving tube, prevents It is rotated against;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the inspection socket of the generator;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into the generator In and capture check image wherein.
At least one of 13. systems as described in technical scheme 12, described anti-rotational circle keep ball bearing, the rolling Pearl bearing is bonded in the axial groove of second telescoping tube.
14. systems as described in technical scheme 12, further include:
The distal part of rotatable drive hub is oriented in the near-end of first telescoping tube, and is driven described first Engagement in pipe;
The near-end of the drive hub point is connected to the driven gear in the outside of first telescoping tube;
First driving gear is engaged with the driven gear, for rotating the driven gear and the drive hub;And
Driving equipment is connected to first driving gear.
15. systems as described in technical scheme 14, further include:
Controller box keeps driven gear and the first driving gear, first driving gear directly to nibble with driven gear Close, driven by hand-crank driving equipment;And
Second driving gear is directly engaged with driven gear, and by electrical motor driven, it is held at driving gear housing It is interior;
Driving gear respectively can independently and selectively drive driven gear;And
Visual display unit is included in controller box, for watching the image in camera fields of view IT.
16. systems as described in technical scheme 12, further include:It is connected to camera circle, encirclement camera camera shell Body;And the illuminator of the camera case is connected to, for the illumination of camera fields of view.
17. systems as described in technical scheme 12, further include:
Position coder, for hub rotation to be associated with the axial displacement of camera fields of view;And
The image processing system of the camera and the position coder is connected to, for being stored in different camera axial directions Multiple images that displaced position is obtained, and for checking combination images to composite image by multiple.
A kind of 18. methods of the internal check for generator, including:
A kind of system of the inspection for generator is provided, the system includes:
Mono-axial, the extendible inspection scope for extending axis is defined, for being inserted into the inspection socket of generator, The scope has:
Nested the first telescoping tube and the second telescoping tube, respectively with proximally and distally and axial length,
Second telescoping tube has on its outer circumferential surface axial groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axle with second telescoping tube It is slidably engaged to groove;
The the first nested driving tube being maintained in telescoping tube and the second driving tube have respectively proximally and distally and axle To length,
First driving tube has the first driving lining for being connected to its distal end, and it is rotatable all in telescoping tube, institute State the first driving lining and limit and there is the hole for driving internal thread,
Second driving tube limits the driving external screw thread of the outside engaged with the first driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of second telescoping tube and second driving tube, prevents It is rotated against;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the generator inspection mouth;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into generator in And capture check image wherein;
Other the hardware check inlets mounting flange being fixed in inspection socket, or generator, and will inspection Look into scope to be inserted;
The drive hub is rotated, first driving tube is thus rotated, and is sending out the second driving tube and camera fields of view Advance in motor, and the extension axis rotating camera for checking scope need not be surrounded;And
When camera fields of view advances in machine, the camera image of the multiple positions capture difference in generator.
19. methods as described in technical scheme 18, further include:
The system for checking for being provided is further included:Position coder, for hub rotation to be regarded with camera Wild axial displacement is associated, and the position coder produces position output data;And it is connected to the camera and the volume The image processing system of code device, for being stored in multiple images that different cameras axial direction displaced positions are obtained, and for inciting somebody to action Multiple inspection combination images are composite image;
Described image processing system determines the axial displacement position of camera fields of view using position coder output data, will be true Fixed axial displacement position is associated with the corresponding position in camera image;And
Described image processing system is by multiple inspection combination images to the composite image that can be navigated.
20. methods as described in technical scheme 19, further include:Offer is connected to the motor of rotatable hub and drives It is dynamic, for rotating the hub and automatically making camera fields of view advance in generator.
Description of the drawings
It is described further below by considering with reference to accompanying drawing, it is possible to understand that the exemplary embodiment of the present invention, wherein:
Fig. 1 is inserted into the inspection observation of the invention of the inspection socket of generator (such as in the inspection socket of combustion gas turbine) The top view of the embodiment of equipment;
Fig. 2 is the top perspective view of the controller box of the inspection scope of Fig. 1;
Fig. 3 is the perspective view looking endwise of the controller box of the Fig. 2 after gear cap is removed, and illustrates driving gear and driven tooth Wheel;
Fig. 4 be remove enclosing cover after Fig. 2 controller box top perspective view, illustrate motor drive driving gear and The driving gear that the hand-crank of engagement driven gear drives;
Fig. 5 is the telescoping tube and the axial, cross-sectional view of driving tube of the inspection scope by Fig. 1;
Fig. 6 is the near-end of the inspection scope in Fig. 5 by the overhanging draw and the details of rotatable drive hub Partial axial section figure;
Fig. 7 is the distal end of the inspection scope in Fig. 5 by whole telescoping tubes and the part axle of the details of driving tube To sectional view;
Fig. 8 be Fig. 7 inspection scope partial elevational axial, cross-sectional view, be oriented orthogonal to Fig. 7 view and Intercepted by the anti-rotational circle of the first or overhanging draw;
Fig. 9 be along Fig. 8 9-9 lines intercept, the sectional view of the anti-rotational circle of the scope of Fig. 1;
Figure 10 is the top view of the camera case of the scope of Fig. 1;
Figure 11 is the stereogram of the camera head of Fig. 1;And
Figure 12 is the block diagram for checking the circuit that scope is included of Fig. 1.
In order to make it easy to understand, in the conceived case, it is illustrated in the accompanying drawings using identical reference common identical Element.Accompanying drawing is not necessarily to scale.
Specific embodiment
The exemplary embodiment of the present invention is used to check the internal part of generating project (such as combustion gas turbine).Using peace The hemispherical optical camera inspection systems being mounted on compact diameter, single shaft ray examination scope check engine interior part, should Check scope be inserted into inspection socket or other can and insertion place in.In certain embodiments, with camera Check that scope is inserted through combustion chamber and ignites mouth, by the conversion and stopping for arranging the corresponding combustion chamber before 1 wheel blade (transition and stopping), the visual field with 1 blade of row and wheel blade.System can be along camera displacement path Capture images.Multiple images are combined to produce in the composite image for checking the part in path.In certain embodiments, composite diagram As if can navigate, similar to the line of reasoning of " streetscape " that can be used on the map and travel guides website at some based on internet ground Footpath image.
Check that scope includes limiting the nested non-rotary telescoping tube for extending axis.External telescoping tube has anti- Rotation circle, the anti-rotational circle and is sliding engaged, and groove and cast by the axial groove for matching on the outer surface of external pipe Linear slip.Camera extends axis and advances and/or retraction by nested driving tube along scope, and the driving tube is included The driving screw thread of at least one outside on by external driving tube and the correspondence formed in the external driving tube of matching Internal thread.In certain embodiments, internal thread is formed in the driving lining being connected on corresponding driving tube.Spherical camera With 360 degree of visuals field, and axis rotation need not be extended around scope and image is captured.
Fig. 1 shows exemplary generator, such as combustion gas turbine 20, and it includes inspection socket 22, with inner passage Minimum clearance diameter Dp.Term " mouth " as used herein is included in and has checked the special inspection socket for sealing afterwards, or allows Check that scope enters into the entrance aperture of any other type of the path of engine interior.Exemplary is other types of Into aperture or check can and place be included in the indoor burning pilot burner insertion aperture of burning, or the manhole of combustion gas turbine Into lid (manway access cover).Exemplary inspection system 28 includes checking scope 30 that it has for inserting Enter the telescopic section 32 to engine 20, controller box 34 stays in engine outside.Check that scope 30 includes being connected to stretching The installing ring 36 of contracting part 32, it has the mounting flange 38 being fixed to by securing member 40 on inspection socket 22.Installing ring 36 is wrapped Installing ring holding fixture 42 is included, it is externally or the outer surface of the first telescoping tube 44 is adjustably clamped.Such as any specific inspection Looking into program needs or desired, and holding fixture 42 is optionally arranged and clamped axially with respect to the first telescoping tube 44.Phase Machine installing ring 46 is coupled to and checks the distal end of scope telescopic section 32, and is connected to camera case 48.Camera case 48 keep the spherical camera 50 with 360 degree of visuals field (" FOV "), the spherical camera 50 to be used to capture the figure of the inner part of engine 20 As without camera FOV is rotated into (moving) around the extension axis for checking scope telescopic section 32.Spherical camera 50 With the first camera camera lens 52 on the side of camera case 48, and the second camera mirror on the opposite side of camera case 54, it is oriented relative in this particular embodiment 52 one-tenth 180 degrees of first camera camera lens.Check that scope 30 includes The visual display 56 being maintained in controller box 34, for the image that monitor in real time is captured by camera 50, or for fetching Capture in advance and the image for storing.Alternatively, camera image is remotely watched, and checks that scope is filled by outside calculating Put (such as tablet PC 58) to remotely control.Tablet PC 58 is by rigid line cable (not shown) or by radio communication Path communicates with inspection scope 30.Check that scope telescopic section 32 and camera case 48 have maximum outside diameter D, its is little In the minimum clearance diameter D of mouthp.The working Examples for checking scope are configured with 1.68 inches (42.67 millimeters) Maximum outside diameter and the flexible expanded range along 48 inches (1220 millimeters) for extending axis T.
Fig. 2-4 shows controller box 34, with the near-end point for checking scope telescopic section 32 and its first or outer The partial view of telescoping tube 44.Controller box 34 has a removable gear cap 60, and outside can and hand-crank socket 62, for being selectively connected to hand-crank 69.The driven gear 64 of tool tooth engages the tooth of the matching of the first driving gear 66, First driving gear 66 has the driving gear hub extension 68 for being connected to external hand crank socket 62.It is bent manually in Fig. 4 Handle 69 is shown as being directly coupled to driving gear 64, without gear cap 60 or hand-crank socket 62, to illustrate scope How telescopic section 32 is advanced or be retracted by the rotation of driving gear 64 along flexible extension axis/dimension T.Check that observation sets Standby 30 also have for advancing or the motor of telescopic section 32 of retracting drives, the operation that the motor drives parallel to and independently of The driving of artificial or hand-crank.The tooth of the matching of the engagement driven gear 64 of the second driving gear 70 of tool tooth.Electro-motor 72, It is the known motor used in kinetic control system, drives the second driving gear 70.In this embodiment, motor 72 is included Rotary position encoder, it produces and represents motor drive shaft rotation number purpose coded data.Check scope 30 by driven gear 64 Rotary motion R be converted to linear displacement T of telescopic section 32.Therefore, the rotary motion of motor drive shaft and position coder Data are associated with the linear displacement T-phase of telescopic section 32.Other types of known position coder can be substituted inside motor Position coder 74.Driven gear 64 is connected to rotatable drive hub 76, so as to pass through the first driving gear 66 or second The rotation of the driven gear 64 of driven gear 70 also rotation driving hub 76.
Fig. 1 and Fig. 5-9 shows the internal structure for checking scope telescopic section 32.The near-end of telescopic section 32 keeps Driven gear 64 and rotatable hub 76, and camera installing ring 46 and camera case install screw 78 and are oriented at telescopic section 32 Distal end.The first or overhanging draw 44 keeps the drive hub roller bearing 80 for installing rotatable hub 76 and hub supporting bushing 82, And for keeping the driving piping support bushing 84 of the first or outer driving tube 86.First driving tube is connected to by the first pin 88 can Rotation hub 76.Rotation successively rotation hub 76 and first driving tube 86 of the driven gear 64 in direction pivots clockwise or counter-clockwise R.The Second driving tube 112 of distant place and being connected with each other and its operate of threeth driving tube 122 of one driving tube 86 with other downstreams Hereinafter it is more fully described.
Check that scope telescopic section 32 includes that the first or overhanging nested draw 44, the second telescoping tube the 92, the 3rd are stretched The telescoping tube 100 of the draw 96 and the 4th, its keep successively nested the first or outer driving tube 86, the second driving tube 112 and the 3rd or Interior driving tube 122.The advance of driving tube and telescoping tube or retraction adjust the axial length T for checking scope telescopic section 32. Telescoping tube 44,92,96 and 100 includes the anti-rotational structure for preventing extension axis of the camera case 48 around telescopic section 32 from rotating Features.The abutting of each telescoping tube is to including one or more linear bearings, wherein external telescoping tube includes anti-rotational circle The ball bearing being kept with one or more, the ball bearings in being formed in by the periphery of external telescoping tube In the axial groove matched somebody with somebody.Compact linear bearing structure is conducive to the telescoping tube and circle of relatively small 1.68 inch (42.67 millimeters) Maximum dimension D.More specifically, the first telescoping tube 44 has the first anti-rotational circle 90, its be formed in the second telescoping tube 92 Corresponding axial groove engagement.Successively, the second telescoping tube have second it is anti-rotational circle 94, its be formed in the 3rd telescoping tube 96 Axial groove is engaged.3rd telescoping tube 96 successively have the 3rd it is anti-rotational circle 98, its be formed in the 4th or interior telescoping tube 100 Axial groove is engaged.4th pipeloop 102 is rigidly coupled to the 4th telescoping tube 100, and pipe is rigidly connected to camera and is pacified by it successively On dress circle 46.Camera installing ring 46 is rigidly connected to the 3rd or interior driving tube 122 by screw 124 successively, so as to camera case 48 around the extension axis rotation of the telescopic section 32 for checking scope.3rd driving tube 122 is rigidly fixed to camera Be conducive to driving tube chamber 128 with the aperture 128 formed in camera installing ring 46 in camera case by the 3rd on installing ring 46 The Vehicle routing of the cable between 48 and controller box 34.
Referring to the drawings 6-8, will now be described the knot of the first driving tube 86, the second driving tube 112 and the 3rd or interior driving tube 122 Structure and operation.As it was previously stated, rotation of the rotatable hub 76 in any direction on R can make first interconnected by the first pin 88 Or outer driving tube 86 rotates.First driving lining 104 is rigidly coupled to the first driving tube 86 by the first driving lining pin 106 Distal end.First driving lining 104 and the first driving tube 86 are freely rotatable in the inner chamber of the 4th or interior telescoping tube 100. First driving lining 104 limits the driving internal thread 108 (for example, trapezoidal (ACME) profile made in U.S.A drives screw thread) of inside, its with The driving external screw thread 110 of the corresponding outside being formed on the periphery of the second driving tube 112 is meshed.The rotation of the first driving tube 86 Turn to make the screw thread 110 that drives of outside to advance relative to the first driving lining 104 of rotation, therefore make the second driving tube along extension Advance on axis T to the right side of accompanying drawing 8.The near-end of the second driving tube 112 (for example, is driven into the profile of screw thread 110 comprising rotation backstop In groove in pin or screw) preventing the axial separation between the first driving tube 86 and the second driving tube 112.When the second drive During near-end rotation first driving lining 104 of de contact of dynamic pipe 112, further rotating for rotatable hub 76 also cause the second drive Dynamic pipe starts rotation.
The second driving lining 114 that the distal end of the second driving tube 112 is installed comprising rigidity, it passes through the second driving lining pin 116 are rigidly coupled to each other.Second driving lining 114 defines internal thread, its with the periphery of the 3rd or interior driving tube 122 The external screw thread 118 of corresponding outside engage.Second driving lining 114 and the second driving tube 112 are in the 4th or interior telescoping tube 100 Inner chamber in be freely rotatable.The driving internal thread 108 that second driving lining 104 defines inside is (for example, made in U.S.A trapezoidal Profile drives screw thread), it is mutually nibbled with the driving external screw thread 120 of the corresponding outside being formed on the periphery of the 3rd driving tube 122 Close.Second driving tube 112 makes the screw thread 120 that drives of outside serve as a contrast relative to the second driving of rotation with the rotation of the first driving tube 86 Set 114 advances, therefore makes the 3rd driving tube 122 advance to the right in accompanying drawing 8 along axis T is extended.3rd driving tube 122 Near-end is comprising rotation backstop (for example, being driven into the pin or screw in the groove in the profile of screw thread 120) to prevent the second driving tube 112 and the 3rd or interior axial separation between driving tube 122.Interior driving tube 122 is rigidly coupled to the He of camera installing ring 46 On 4th or interior telescoping tube 100.Interior driving tube can not rotate relative to axis T is extended.
Fig. 8 and 9 shows prevents the thin of the linear bearing structure for rotating against between telescoping tube 44,92,96 and 100 Section.Focus on external the first telescoping tube 44 and its abut by the matching contact surface between interior the second telescoping tube 92 for connecing, should Second telescoping tube 92 has the axial groove 132 with the extension diameter parallel for checking scope.In order to prevent and the first telescoping tube 44 axial separation, axial groove 132 terminates in the inner side proximally and distally of the second telescoping tube 92.First anti-rotational circle 90 keeps The ball bearing 134 engaged with axial groove 132.Ball bearing tension screw 136 respectively selectively adjusts the axle for leaning against matching To the pressure of ball bearing 134 on groove 132.As the first anti-rotational circle 90, the anti-rotational circle of the second anti-rotational circle 94 and the 3rd 98 include respectively identical linear bearing structure, and (axial direction between the extended peroid of pipe is included in in the pipe by external, interior matching Deviation preventing mechanism) in axial groove and ball bearing.All above-mentioned anti-rotational circle is right by keeping screw 138 to be fixed to its On the telescoping tube answered.
Fig. 8,10 and 11 further illustrates the CONSTRUCTED SPECIFICATION of camera case 48.Therefore camera case 48 is installed by housing Screw 78 is connected on camera installing ring 46.Housing 48 keeps spherical camera 50, and is limited to the use on the opposite side of housing In the aperture of camera lens 52 and 54.In this exemplary embodiment, the spherical camera 50 with 360 degree of visuals field is that have accordingly Operation software ready-made, commercially available camera, such as by the Ricoh Company of Tokyo, Ltd. manufacture and by The Ricoh USA of Pennsylvania, America More text, the Theta S type cameras that Inc. sells.Camera case 48 also provides use In the aperture 140 for keeping light emitting diode (" LED ") illumination.LED cables 146 and camera cable 148 drive tube chamber through the 3rd 126 and camera installing ring aperture 128, and and then wind around the shank of installing ring 46, so as to for respectively to LED140 and phase Such cable connection of machine 50 provides strain relief protection.
The block diagram of Figure 12 shows the connection for co-operating of the part in inspection system 28 and subsystem.Check observation The electro-mechanical structure of equipment 30, controller box 34 and camera case 48 is schematically illustrated with dotted line.Here is for illustrative purpose The power supply 142 illustrated in controller box 34 is controller 144, display 56, motor 72 and its encoder 74, illuminator 140 and camera 50 provide electric power.The control illumination 140, camera 50 of controller 144, motor 72, and receive in certain embodiments Carry out the encoder data of self-encoding encoder 74.In certain embodiments, controller 144 have direct wireless communication capability or via The indirectly channel radio of known wireless router 150 or the data communication network (including internet) via any known forms News ability.In certain embodiments, controller 144 and/or camera 50 and tablet PC 58 or presentation manager 154 or any Other types of known work station wireless telecommunications or hardwire communication.
With reference to Fig. 1,3 and 12, by will check that the mounting flange 38 of scope 30 is fixed to inspection socket 22 or other machines Inspection enters place, and will check scope telescopic section 32, including camera case 48, is inserted into the inside of machine, examines Look into the internal structure that system 28 is examined for generator 20 (such as combustion gas turbine).Once check that scope 30 is positioned For checking, by using the hand-crank 69 for being connected to controller box 34 drive hub 76 of driven gear 64 and its attachment is made Rotation, or by operating independent internal motor 72 and thus rotating the first driving tube 86, make camera case 48 proceed to machine In, and make (and its spherical 360 degree of the second driving tube 112 and/or the 3rd driving tube 122 and final camera case 48 Camera 50) extend axis T and advance along checking scope in generator, and and camera 50 need not be made around extending axis T rotates.The 360 degree of images produced in camera fields of view are being captured along one or more positions for extending axis T.
In many inspection embodiments, the image of camera 50 is being captured along the multiple positions for extending axis T.Checking observation In embodiment of the equipment 30 equipped with position coder (such as the position coder 74 of motor 72), encoder is produced and extended with edge The associated position output data of the axial displacement in the visual field of camera 50 of axis T.In controller 144, long-range flat board or other meters Calculation machine 58 or the image processing system in long-range special image processing workstation 154, using position coder 74 number is exported According to determine camera fields of view axial displacement position, and make the axial displacement position T of determination with it is right in corresponding camera image Position is answered to be associated.The outgoing position data of encoder 74 are using known, commercially available data acquisition with associating for image What hardware and software was performed.In certain embodiments, controller 144, and/or remote computer (such as tablet PC 58), And/or image processing system 154 achieves image and/or encoder position data.In certain embodiments, in real time and/or deposit The image of shelves is visual also on the display 56 of controller box 34.In certain embodiments, controller 144 has by control and compiles Motor 72 in the backfeed loop of code device 74 automatically controls camera case 48 along the advance for extending axis T.
In certain embodiments, image processing system (no matter it is located at where) by multiple inspection combination images to can navigate Composite image in, be similarly to " streetscape " geographical map available in some network applications.In controller and/or computer Exercisable on hardware platform, commercially available combination image and image-based navigation program bag include can from Austrian Germany Crow she The krpano Panorama Viewer that the krpano Gesellschaft mbH of thatch are obtained.
Although with reference to exemplary controller 144 or tablet PC 58 or the platform architecture of remote work station 154, and The software module performed by the internal processor by device respectively realizes operation task, it is also to be appreciated that the present invention's shows Example property embodiment hardware in a variety of manners, software, firmware, application specific processor or its combination are realized.Preferably, reality of the invention The aspect of example is applied in software as being tangibly embodied on non-volatile, non-transitory signal, program storage device Program and realize.Program can upload to the machine including any suitable framework, and be executed by it.Preferably, machine is in meter Calculate and realized on machine platform, the computer platform has such as one or more CPU (CPU), random access memory (RAM) and input/output (I/O) interface hardware.Computer platform also includes operating system and micro-instruction code.It is described herein Various process and function can be via operating system perform micro-instruction code a part or program a part (or Its combination).Additionally, various other ancillary equipment can be connected to computer/controller platform.
It should be appreciated that some composition system units and method and step due to being described in the drawings are preferably real in software Existing, the actual connection between system unit (or process step) can be in the way of being programmed according to exemplary embodiment and different. Specifically, any computer platform or device can be connected with each other using network technology that is any existing or finding afterwards;Its Network system (such as enterprise network) that can be by after, Metropolitan Area Network (MAN) or World Wide Web (such as internet) and all connect.
Although being shown in which and specifically describing comprising various embodiments of the present invention, still comprising required for protection The embodiment of bright many other changes can be easily designed out.The present invention is not limited in its application in specification and retouches The CONSTRUCTED SPECIFICATION of the exemplary embodiment illustrated in state or accompanying drawing and part are arranged.The present invention can be other embodiments and It is practiced or carried out in a variety of ways.Extraly, it should be understood that term as used herein is description purpose and should be not considered as It is construed as limiting." including " as used herein, " containing " or " having " and its modification mean listed behind project and its wait Same and extra project.Unless otherwise stated or limit, term " installations ", " connection ", " supporting " and " connection " and its change Type is used broadly and comprising directly or indirectly installing, connects, supports and couple.Further, " connection " and " connection " It is not limited to the connection or connection of physics, machinery or electricity.

Claims (10)

1. a kind of system of the internal check for generator, including:
For the mono-axial for being inserted into the inspection socket of generator, extendible inspection scope, have:
Nested the first telescoping tube and the second telescoping tube, respectively with proximally and distally and axial length,
Second telescoping tube has on its outer circumferential surface axial groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axial groove with second telescoping tube It is slidably engaged;
The the first nested driving tube being maintained in telescoping tube and the second driving tube have respectively proximally and distally and axially long Degree,
First driving tube has the first driving lining for being connected to its distal end, and it is rotatable all in telescoping tube,
First driving lining is limited has the hole for driving internal thread,
Second driving tube limits the driving external screw thread of the outside engaged with the first driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of second telescoping tube and second driving tube, prevents its phase To rotation;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the inspection socket of the generator;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into the generator in And capture check image wherein.
2. the system as claimed in claim 1, further includes:
The distal part of rotatable drive hub is oriented in the near-end of first telescoping tube, and in first driving tube Engagement;
The near-end of the drive hub point is connected to the driven gear in the outside of first telescoping tube;
First driving gear is engaged with the driven gear, for rotating the driven gear and the drive hub;And
Driving equipment is connected to first driving gear.
3. system as claimed in claim 2, the driving equipment includes hand-crank.
4. system as claimed in claim 2, the driving equipment includes electro-motor.
5. system as claimed in claim 2, further includes:
First driving gear is directly engaged with the driven gear, is driven by hand-crank driving equipment;And
Second driving gear is directly engaged with the driven gear, by electrical motor driven;
Driving gear respectively can independently and selectively drive the driven gear.
6. the system as claimed in claim 1, the first anti-rotational circle keeps ball bearing, and the ball bearing is in the second telescoping tube Axial groove in engagement.
7. the system as claimed in claim 1, further includes:It is arranged on and is nested in the first telescoping tube and the second telescoping tube Between at least one extra telescoping tube, each extra telescoping tube limits axial groove on its outer circumferential surface, for The anti-rotational circle engagement of external telescoping tube, and the anti-rotational circle coupled in its proximate distal ends, it is interior with what is remained at The axial groove of the telescoping tube for connecing is slidably engaged.
8. the system as claimed in claim 1, further includes:It is arranged on and is nested in the first driving tube and the second driving tube Between at least one extra driving tube, each extra driving tube limits driving external screw thread on its outer circumferential surface, uses In engaging with the internal thread of the driving lining of external driving tube, and in the driving lining of its proximate distal ends connection, with holding Wherein it is being slidably engaged by the driving screw thread of the interior driving tube for connecing.
9. a kind of system of the internal check for generator, including:
Mono-axial, the extendible inspection scope for extending axis is limited, for being inserted into the inspection socket of generator, the sight Measurement equipment has:
Nested the first telescoping tube, the second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube, respectively with proximally and distally and Axial length,
Second telescoping tube, the 3rd telescoping tube and the 4th telescoping tube have respectively on its outer circumferential surface axially Groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axial groove with second telescoping tube It is slidably engaged;
Second telescoping tube has the second anti-rotational circle in its proximate distal ends connection, the axial groove with the 3rd telescoping tube It is slidably engaged;
3rd telescoping tube has the 3rd anti-rotational circle in its proximate distal ends connection, the axial groove with the 4th telescoping tube It is slidably engaged;
The first nested driving tube in telescoping tube, the second driving tube and the 3rd driving tube are maintained at, respectively with near-end and remote End and axial length,
First driving tube has the first driving lining for being connected to its distal end, and it all can revolve in the 4th telescoping tube Turn, first driving lining is limited has the hole for driving internal thread,
Second driving tube limits the external screw thread of the outside engaged with the internal thread of first driving lining, and has The second driving lining of its distal end is connected to, it is all rotatable in the 4th telescoping tube, second driving lining is limited With the hole for driving internal thread,
3rd driving tube limits the external screw thread of the outside engaged with the second driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of the 4th telescoping tube and the 3rd driving tube, prevents its phase To rotation;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the inspection socket of the generator;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into the generator in And capture check image wherein.
10. a kind of method of the internal check for generator, including:
A kind of system of the inspection for generator is provided, the system includes:
Mono-axial, the extendible inspection scope for extending axis is defined, it is described for being inserted into the inspection socket of generator Scope has:
Nested the first telescoping tube and the second telescoping tube, respectively with proximally and distally and axial length,
Second telescoping tube has on its outer circumferential surface axial groove,
First telescoping tube has the first anti-rotational circle in its proximate distal ends connection, the axial groove with second telescoping tube It is slidably engaged;
The the first nested driving tube being maintained in telescoping tube and the second driving tube have respectively proximally and distally and axially long Degree,
First driving tube has the first driving lining for being connected to its distal end, and it is rotatable all in telescoping tube,
First driving lining is limited has the hole for driving internal thread,
Second driving tube limits the driving external screw thread of the outside engaged with the first driving lining internal thread;
Camera installing ring is rigidly coupled to the distal end of the difference of second telescoping tube and second driving tube, prevents its phase To rotation;
Rotatable drive hub is connected to the near-end of first driving tube, for its selective rotation;
Mounting flange is connected to first telescoping tube, for being fixed to the generator inspection mouth;And
Spherical camera with the 360 degree visuals field is connected on the camera installing ring, for being inserted into generator in and Wherein capture check image;
Other the hardware check inlets mounting flange being fixed in inspection socket, or generator, and see checking Measurement equipment is inserted;
The drive hub is rotated, first driving tube is thus rotated, and makes the second driving tube and camera fields of view in generator Interior advance, and the extension axis rotating camera for checking scope need not be surrounded;And
When camera fields of view advances in machine, the camera image of the multiple positions capture difference in generator.
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US14/803,149 US9778141B2 (en) 2012-01-31 2015-07-20 Video inspection system with deformable, self-supporting deployment tether
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US15/212,370 US9948835B2 (en) 2012-01-31 2016-07-18 Single-axis inspection scope with spherical camera and method for internal inspection of power generation machinery
US15/212370 2016-07-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825970A (en) * 2018-06-14 2018-11-16 江苏盛矽电子科技有限公司 A kind of inspection version machine of telescopic movable linking printing screen plate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102607512B1 (en) 2020-12-10 2023-11-29 주식회사 보다 A System for Detecting Abnormal Condition and a Method for Detecting the Same
KR20230133625A (en) 2022-03-11 2023-09-19 주식회사 보다 A System for Controlling a Surveillant Camera in a Way of Being Related to a Facility Operating Device
KR20230166388A (en) 2022-05-30 2023-12-07 주식회사 소프트센 A System for Reviewing an Abnormal Operating Condition of a Facility or an Apparatus
KR20230174889A (en) 2022-06-22 2023-12-29 주식회사 소프트센 A System for Reviewing an Abnormal Operating Condition of a Facility or an Apparatus
EP4303679A1 (en) 2022-07-04 2024-01-10 Softcen Co., Ltd. A system for reviewing an abnormal operating state of an equipment or an apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924607A1 (en) * 1999-05-28 2000-11-30 Siemens Ag Inspection device for an annular combustion chamber of a gas turbine and method for inspecting an annular combustion chamber of a gas turbine
US20050073673A1 (en) * 2003-10-01 2005-04-07 General Electric Company Imaging system for robotically inspecting gas turbine combustion components
US20140046163A1 (en) * 2005-08-09 2014-02-13 Greatbatch Ltd. Fiber optic assisted medical lead
US20140063227A1 (en) * 2012-01-31 2014-03-06 Erwan Baleine System and method for online inspection of turbines using an optical tube with broadspectrum mirrors
US20140071444A1 (en) * 2012-09-12 2014-03-13 Honda Motor Co., Ltd. Borescope
CN103649641A (en) * 2011-05-05 2014-03-19 西门子能量股份有限公司 Inspection system for a combustor of a turbine engine
CN104081191A (en) * 2012-01-31 2014-10-01 西门子能量股份有限公司 System and method for automated optical inspection of industrial gas turbines and other power generation machinery with articulated multi-axis inspection scope
EP2818908A1 (en) * 2013-06-27 2014-12-31 Olympus Corporation Endoscope system
CN104620095A (en) * 2012-08-23 2015-05-13 西门子能量股份有限公司 System and method for optical inspection of off-line industrial gas turbines and other power generation machinery while in turning gear mode
CN104718446A (en) * 2012-08-23 2015-06-17 西门子能量股份有限公司 System and method for visual inspection and 3D white light scanning of off-line industrial gas turbines and other power generation machinery

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08166352A (en) * 1994-12-12 1996-06-25 Hitachi Ltd Visual inspection apparatus for inner face of cylindrical body
KR0163104B1 (en) * 1995-03-22 1999-05-01 민덕기 Electrical sizer
JP2000162157A (en) * 1998-11-25 2000-06-16 Mitsubishi Heavy Ind Ltd Inspecting device
WO2000050304A1 (en) 1999-02-24 2000-08-31 Pinotage, Llc Inspection device for aircraft
WO2004096008A2 (en) 2003-05-01 2004-11-11 Given Imaging Ltd. Panoramic field of view imaging device
US7636204B1 (en) 2007-10-30 2009-12-22 LumenFlow Corp. 360 degree view imaging system
JP5829280B2 (en) * 2011-09-30 2015-12-09 オリンパス株式会社 Inner surface shape measuring device, detection head, and endoscope device
US8922640B2 (en) 2012-01-31 2014-12-30 Siemens Energy, Inc. System and method for automated optical inspection of industrial gas turbines and other power generation machinery with articulated multi-axis inspection scope
US8713999B2 (en) 2012-01-31 2014-05-06 Siemens Energy, Inc. System and method for automated optical inspection of industrial gas turbines and other power generation machinery with multi-axis inspection scope
KR101433015B1 (en) * 2012-11-26 2014-09-23 김정태 Irrotational inspection apparatus for getting everyside image

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924607A1 (en) * 1999-05-28 2000-11-30 Siemens Ag Inspection device for an annular combustion chamber of a gas turbine and method for inspecting an annular combustion chamber of a gas turbine
US20050073673A1 (en) * 2003-10-01 2005-04-07 General Electric Company Imaging system for robotically inspecting gas turbine combustion components
US20140046163A1 (en) * 2005-08-09 2014-02-13 Greatbatch Ltd. Fiber optic assisted medical lead
CN103649641A (en) * 2011-05-05 2014-03-19 西门子能量股份有限公司 Inspection system for a combustor of a turbine engine
US20140063227A1 (en) * 2012-01-31 2014-03-06 Erwan Baleine System and method for online inspection of turbines using an optical tube with broadspectrum mirrors
CN104081191A (en) * 2012-01-31 2014-10-01 西门子能量股份有限公司 System and method for automated optical inspection of industrial gas turbines and other power generation machinery with articulated multi-axis inspection scope
CN104620095A (en) * 2012-08-23 2015-05-13 西门子能量股份有限公司 System and method for optical inspection of off-line industrial gas turbines and other power generation machinery while in turning gear mode
CN104718446A (en) * 2012-08-23 2015-06-17 西门子能量股份有限公司 System and method for visual inspection and 3D white light scanning of off-line industrial gas turbines and other power generation machinery
US20140071444A1 (en) * 2012-09-12 2014-03-13 Honda Motor Co., Ltd. Borescope
EP2818908A1 (en) * 2013-06-27 2014-12-31 Olympus Corporation Endoscope system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825970A (en) * 2018-06-14 2018-11-16 江苏盛矽电子科技有限公司 A kind of inspection version machine of telescopic movable linking printing screen plate
CN108825970B (en) * 2018-06-14 2023-04-11 江苏盛矽电子科技有限公司 Flexible swing joint formula printing half tone examine version machine

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KR101972853B1 (en) 2019-04-26
DE102016113406A1 (en) 2017-01-26

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