CN112762866B - Coaxiality detection device of generator main shaft and working method of coaxiality detection device - Google Patents
Coaxiality detection device of generator main shaft and working method of coaxiality detection device Download PDFInfo
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- CN112762866B CN112762866B CN202011588512.6A CN202011588512A CN112762866B CN 112762866 B CN112762866 B CN 112762866B CN 202011588512 A CN202011588512 A CN 202011588512A CN 112762866 B CN112762866 B CN 112762866B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
Abstract
The invention discloses a coaxiality detection device of a generator main shaft and a working method. According to the coaxiality detection device of the generator main shaft, the main shaft can be fixed through the main shaft positioning and clamping assembly I and the main shaft positioning and clamping assembly II, the coaxiality of the main shaft can be detected in the process that the main shaft is driven to rotate by the main shaft rotation driving assembly through the CCD camera, and different positions in the axial direction of the main shaft can be detected through the arranged camera horizontal driving assembly. According to the detection method, in the detection process and the movement process of the adjusting device, the position change of the measuring point is timely recorded, the accuracy of the detection data is ensured, the error of the calculated coaxiality result is relatively small and is closer to a true value, and the accuracy of the whole detection method is improved.
Description
Technical Field
The invention belongs to the technical field of generator detection, and particularly relates to a coaxiality detection device of a generator main shaft. The invention also relates to a working method of the coaxiality detection device of the generator main shaft.
Background
The generator set is a complete set of mechanical equipment for converting energy in other forms into electric energy, and consists of a power system, a control system, a silencing system, a damping system and an exhaust system, wherein the power system generally comprises an internal combustion engine and a generator, and a power output shaft of the internal combustion engine is coaxially connected with a power input shaft of the generator.
In the assembly of diesel generating set, elastic coupling installs between diesel engine and generator, because the high-speed operation of diesel engine among the operating condition, diesel engine bent axle and generator spindle's axiality when must guaranteeing the installation, it is within 465mm +/-0.5 apart from needing to adjust simultaneously, so that the installation of elastic coupling under the condition that diesel engine and generator have all been fixed, there is not accurate effectual axiality measuring means before the installation of current elastic coupling, it wastes time and energy to lead to the elastic coupling installation, the generating set axiality after the equipment is low, wearing and tearing are serious, power transmission efficiency is poor, it causes the diesel engine to damage to take place the glutinous tile of diesel engine easily.
However, the problem in the prior art is that when connecting the power output shaft of the internal combustion engine and the power input shaft of the generator, it is necessary to accurately position and measure so that the coaxiality between the two is higher, thereby preventing the occurrence of the problem of the breakage of the drive shaft or the transmission noise, but even after the precise measurement and positioning, the perfect coaxiality is sometimes not achieved.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a coaxiality detection device of a main shaft of a generator, and solve the technical problems of transmission noise and fatigue fracture of a transmission shaft caused by low installation coaxiality of an internal combustion engine and the generator in the conventional generator.
The technical scheme is as follows: a coaxiality detection device of a generator main shaft comprises a detection platform, a main shaft positioning clamping assembly I, a main shaft positioning clamping assembly II, a main shaft rotation driving assembly, a CCD detection camera, a camera horizontal driving assembly, a camera vertical driving assembly and a detection rack, wherein the main shaft rotation driving assembly and the detection rack are fixedly arranged on the detection platform, the main shaft positioning clamping assembly I and the main shaft positioning clamping assembly II are both arranged on the main shaft rotation driving assembly, the main shaft positioning clamping assembly I and the main shaft positioning clamping assembly II are symmetrically arranged, the main shaft can be clamped between the main shaft positioning clamping assembly I and the main shaft positioning clamping assembly II, the camera vertical driving assembly is arranged on the upper end part of the detection rack, the camera horizontal driving assembly is connected with the camera vertical driving assembly, and the CCD detection camera is connected with the camera horizontal driving assembly, and the CCD detection camera is positioned above the first main shaft positioning and clamping assembly and the second main shaft positioning and clamping assembly.
Furthermore, the coaxiality detection device of the generator spindle comprises a first spindle positioning and clamping assembly and a second spindle positioning and clamping assembly, wherein the first spindle positioning and clamping assembly and the second spindle positioning and clamping assembly respectively comprise a fixed bottom plate, a first vertical supporting plate, a first clamping jaw, a second clamping jaw, a third clamping jaw, a fourth clamping jaw, a clamping jaw supporting seat and a clamping jaw driving device, the fixed bottom plate is connected with a spindle rotation driving assembly, the first vertical supporting plate and the clamping jaw driving device are fixedly arranged on the fixed bottom plate, the clamping jaw supporting seat is fixedly arranged on the vertical surface of the first vertical supporting plate, one ends of the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw are connected with the clamping jaw driving device, the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw are hinged with the clamping jaw supporting seat, the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw are arranged in an annular array manner, and the first clamping jaw, the second clamping jaw, the third clamping jaw and the clamping jaw can be clamped on the outer circumference of the end part of the spindle, the end parts of the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw, which are attached to the main shaft, are all arranged in a zigzag or wave shape.
Furthermore, the coaxiality detection device of the generator spindle comprises a clamping jaw supporting seat, a first supporting plate, a first connecting plate, a thimble and a first clamping jaw supporting frame, wherein the first supporting plate, the first connecting plate, the thimble and the first clamping jaw supporting frame are symmetrically arranged, one end of the first supporting plate is fixedly connected with the first vertical supporting plate, the first connecting plate and the first supporting plate are fixedly connected with the end face, far away from the first vertical supporting plate, of the first connecting plate, the thimble is fixedly arranged on the vertical end face, far away from the first supporting plate, of the first connecting plate, the first clamping jaw supporting frame is fixedly arranged on the first connecting plate in an annular array mode, the first clamping jaw supporting frame, the second clamping jaw supporting frame, the third clamping jaw supporting frame and the fourth clamping jaw supporting frame are arranged in a one-to-one correspondence mode, the center of the thimble is used as a circle center, the thimble is tightly pressed and attached to the end part of the spindle, the first clamping jaw supporting frame is provided with a first clamping jaw transmission shaft, the clamping jaw I, the clamping jaw II, the clamping jaw III and the clamping jaw IV are respectively sleeved on the corresponding clamping jaw transmission shafts I.
Further, the axiality detection device of foretell generator spindle, clamping jaw drive arrangement includes drive braced frame, driving motor, motor supporting seat, screw rod one, screw rod cover, connection cylinder and clamping jaw link, the fixed setting at PMKD of drive braced frame, the motor supporting seat is fixed to be set up on drive braced frame, driving motor is fixed to be set up on the motor supporting seat to driving motor and screw rod one are connected, the screw rod cover is established on screw rod one to screw rod cover and a screw rod threaded connection, driving motor's one end and connection cylinder fixed connection are kept away from to the screw rod cover, the one end fixed connection of screw rod cover is kept away from to clamping jaw link and connection cylinder, clamping jaw one, clamping jaw two, clamping jaw three and clamping jaw four one end are articulated with the clamping jaw link respectively.
Further, in the coaxiality detection device of the generator main shaft, the driving support frame is provided with the first guide sliding sleeve, the first vertical support plate is provided with the second guide sliding sleeve, the first guide sliding sleeve and the second guide sliding sleeve are coaxially arranged along the horizontal direction, and the screw sleeve is in sliding connection with the first guide sliding sleeve and the second guide sliding sleeve; the driving support frame is provided with a group of guide posts, the screw rod sleeve is connected with a first guide sliding plate, and the first guide sliding plate is connected with the group of guide posts in a sliding mode.
Further, the axiality detection device of foretell generator spindle, the clamping jaw link includes rectangle supporting seat and four U types support clamping jaw support frame two, the one end and the connection cylinder fixed connection of rectangle supporting seat, four U types support clamping jaw support frame two are fixed to be set up on the cylindrical tip of connection is kept away from at the rectangle supporting seat, four U types support clamping jaw support frame two and four clamping jaw support frame one-to-one settings, U type support clamping jaw support frame two is last all to be equipped with clamping jaw transmission shaft two, clamping jaw one, clamping jaw two, clamping jaw three and four one end of clamping jaw all are equipped with waist type hole, clamping jaw transmission shaft two and waist type hole roll connection.
Furthermore, the coaxiality detection device of the main shaft of the generator comprises a main shaft rotation driving assembly, a first rotation driving motor, a shaft coupling, a first rotation rotating shaft, a first driving wheel, a second driving wheel, a first driven wheel, a second driven wheel, a first belt, a second rotating shaft, a third rotating shaft, a first right-angle supporting plate, a second right-angle supporting plate and a supporting base plate, wherein the first right-angle supporting plate and the second right-angle supporting plate are fixedly arranged on the supporting base plate, the first right-angle supporting plate and the second right-angle supporting plate are symmetrically arranged, the first rotation driving motor is fixedly arranged on the first right-angle supporting plate, the rotating shaft of the first rotation driving motor is connected with the first rotation rotating shaft through the shaft coupling, the first driving wheel and the second driving wheel are respectively arranged at two ends of the first rotation rotating shaft, the first rotation rotating shaft is arranged on the lower end parts of the first right-angle supporting plate and the second right-angle supporting plate through bearings, the utility model discloses a four-wheel drive mechanism, including right angle backup pad two, pivot three-way cross bearing, belt two, main shaft location centre gripping subassembly two and pivot three-way connection, pivot two passes through the bearing setting on the upper end of right angle backup pad one, the pivot three-way cross bearing setting is on the upper end of right angle backup pad two to pivot two and pivot three-symmetry set up, from driving wheel one and pivot two-way cross key-type connection, from driving wheel two and pivot three-way cross key-type connection, the belt is one set up at action wheel one and from driving wheel one, the belt two sets are established at action wheel two and from driving wheel two on, main shaft location centre gripping subassembly one is connected with pivot two, main shaft location centre gripping subassembly two is connected with pivot three.
Further, the axiality detection device of foretell generator main shaft, the vertical drive subassembly of camera includes that a set of is vertical drives actuating cylinder and vertical lift U type backup pad, a set of vertical drive actuating cylinder sets up in detecting the frame to a set of vertical piston rod and the vertical lift U type backup pad that drive actuating cylinder of driving are connected, camera horizontal drive subassembly and vertical lift U type backup pad are connected, the both sides that vertical lift U type backup pad is close to the detection frame stand all are equipped with vertical direction slider, be equipped with vertical direction spout on the stand of detection frame, vertical direction slider and vertical direction spout sliding connection.
Furthermore, the coaxiality detection device of the generator spindle comprises a camera horizontal driving component, a transfer support base, a first two guide rails, a second guide sliding plate, a second screw rod, a first group of sliding blocks and a second horizontal support plate, wherein the transfer support base is fixedly connected with the vertical lifting U-shaped support plate, the horizontal driving motor is fixedly arranged on the transfer support base and is connected with the second screw rod, the second screw rod is arranged on the transfer support base through a screw rod support seat, the second group of sliding blocks are sleeved on the second screw rod, the second guide sliding plate is connected with one group of sliding blocks, the second guide sliding plate is sleeved on the second screw rod, the second horizontal support plate is fixedly connected with the first group of sliding blocks and the second guide sliding plate, the CCD detection camera is fixedly arranged on the second horizontal support plate, the first two guide rails and the second screw rod are arranged in parallel, and the two first guide rails are respectively positioned at two sides of the second screw rod, and the second guide sliding plate is in sliding connection with the two first guide rails.
The invention relates to a working method of a coaxiality detection device of a main shaft of a generator, which comprises the following steps of:
s1, placing the main shaft between the first main shaft positioning and clamping assembly and the second main shaft positioning and clamping assembly, wherein two ends of the main shaft are respectively positioned between the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw of the first main shaft positioning and clamping assembly and the second main shaft positioning and clamping assembly;
s2, clamping of the main shaft: starting a first main shaft positioning and clamping assembly and a second main shaft positioning and clamping assembly;
s3, starting a driving motor to drive a first screw rod to rotate, and driving a screw rod sleeve to move along the horizontal direction due to the rotation of the first screw rod;
s4, the screw sleeve drives the clamping jaw connecting frame to move in the direction far away from the main shaft through the connecting cylinder;
s5, pulling the second clamping jaw transmission shaft to roll along the kidney-shaped hole in the moving process of the clamping jaw connecting frame, and simultaneously driving the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw to rotate around the first clamping jaw transmission shaft respectively by the second clamping jaw transmission shaft;
s6, rotating the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw to the outer wall of the spindle, and clamping the spindle;
s7, starting a horizontal driving motor to drive the first screw rod to rotate, so that the second horizontal supporting plate is positioned at one end of the main shaft;
s8, extending piston rods of a group of vertical driving cylinders to push a vertical lifting U-shaped supporting plate to lift along the vertical direction, and adjusting a CCD detection camera to be at a certain distance from the outer wall of the main shaft;
s9, starting the first rotary driving motor to drive the first rotary rotating shaft to rotate, and simultaneously driving the first driving wheel and the second driving wheel to rotate by the rotary rotating shaft;
s10, the first driving wheel drives the first driven wheel to rotate through the belt, and the second driving wheel drives the second driven wheel to rotate through the second belt, so that the first driven wheel and the second driven wheel rotate synchronously;
s11, synchronous rotation of the first driven wheel and the second driven wheel enables the first main shaft positioning and clamping assembly and the second main shaft positioning and clamping assembly to synchronously rotate to drive the main shaft to rotate, and the CCD detection camera performs circumference detection on the main shaft;
s12, after the detection is finished, stopping the rotary driving motor, lifting the CCD detection camera by the camera vertical driving assembly, driving the CCD detection camera to move to the next detection position of the spindle by the camera horizontal driving assembly, repeating the steps S8-S11, detecting the next position of the spindle, and continuously repeating the processes to continuously detect the spindle.
The technical scheme shows that the invention has the following beneficial effects: according to the coaxiality detection device of the generator main shaft, the main shaft can be fixed through the main shaft positioning and clamping assembly I and the main shaft positioning and clamping assembly II, the coaxiality of the main shaft can be detected in the process that the main shaft is driven to rotate by the main shaft rotation driving assembly through the CCD camera, different positions in the axial direction of the main shaft can be detected through the arranged camera horizontal driving assembly, the CCD camera can be adjusted to the optimal height position through the arranged camera vertical driving assembly, the coaxiality is judged through measured data, the judgment of the coaxiality is accurate, quantification is achieved, and the adjustment of the coaxiality is simpler. According to the detection method, in the detection process and the moving process of the adjusting device, the position change of the measuring point is timely recorded, the accuracy of the detection data is ensured, the error of the calculated coaxiality result is relatively small and is closer to a true value, and the accuracy of the whole detection method is improved.
Drawings
Fig. 1 is a schematic structural diagram of a coaxiality detection device of a main shaft of a generator according to the invention;
FIG. 2 is a schematic structural view of the first spindle positioning and clamping assembly or the second spindle positioning and clamping assembly according to the present invention;
FIG. 3 is a schematic structural view of the clamping jaw connecting frame, a clamping jaw I, a clamping jaw II, a clamping jaw III and a clamping jaw IV;
FIG. 4 is a schematic structural view of a jaw attachment frame of the present invention;
FIG. 5 is a schematic structural view of the clamping jaw supporting seat, a clamping jaw I, a clamping jaw II, a clamping jaw III and a clamping jaw IV;
FIG. 6 is a schematic view of the jaw support of the present invention;
FIG. 7 is a schematic structural view of a spindle rotation drive assembly according to the present invention;
FIG. 8 is a schematic view of the horizontal camera drive assembly and the vertical camera drive assembly according to the present invention;
fig. 9 is a partial structural schematic view of a camera vertical driving assembly according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
The coaxiality detection device of the main shaft of the generator shown in figure 1 comprises a detection platform 1, a first main shaft positioning and clamping component 2, a second main shaft positioning and clamping component 3, a main shaft rotation driving component 4, a CCD detection camera 5, a horizontal camera driving component 6, a vertical camera driving component 7 and a detection rack 8, wherein the main shaft rotation driving component 4 and the detection rack 8 are fixedly arranged on the detection platform 1, the first main shaft positioning and clamping component 2 and the second main shaft positioning and clamping component 3 are arranged on the main shaft rotation driving component 4, the first main shaft positioning and clamping component 2 and the second main shaft positioning and clamping component 3 are symmetrically arranged, the main shaft can be clamped between the first main shaft positioning and clamping component 2 and the second main shaft positioning and clamping component 3, the vertical camera driving component 7 is arranged on the upper end part of the detection rack 8, and the horizontal camera driving component 6 is connected with the vertical camera driving component 7, the CCD detection camera 5 is connected with the camera horizontal driving component 6, and the CCD detection camera 5 is positioned above the first main shaft positioning and clamping component 2 and the second main shaft positioning and clamping component 3.
The first spindle positioning and clamping assembly 2 and the second spindle positioning and clamping assembly 3 shown in fig. 2-6 each include a fixed base plate 21, a first vertical support plate 22, a first clamping jaw 23, a second clamping jaw 24, a third clamping jaw 25, a fourth clamping jaw 26, a clamping jaw support 27 and a clamping jaw driving device 28, the fixed base plate 21 is connected with the spindle rotation driving assembly 4, the first vertical support plate 22 and the clamping jaw driving device 28 are fixedly arranged on the fixed base plate 21, the clamping jaw support 27 is fixedly arranged on the vertical surface of the first vertical support plate 22, one end of the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 is connected with the clamping jaw driving device 28, the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 are hinged with the clamping jaw support 27, the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 are arranged in an annular array manner, the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 can be clamped on the outer circumference of the end part of the spindle, and the end parts, attached to the spindle, of the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 are all arranged in a sawtooth shape or a wave shape. The clamping jaw supporting seat 27 comprises two first supporting plates 271, a first connecting plate 272, an ejector pin 273 and four first clamping jaw supporting frames 274, wherein the first supporting plates 271, the first connecting plate 272 and the first supporting plate 271 are symmetrically arranged, one ends of the two first supporting plates 271 are fixedly connected with the first vertical supporting plate 22, the end faces, far away from the first vertical supporting plate 22, of the first connecting plate 272 are fixedly connected, the ejector pin 273 is fixedly arranged on the vertical end face, far away from the first supporting plate 271, of the first connecting plate 272, the four first clamping jaw supporting frames 274 are fixedly arranged on the first connecting plate 272 in an annular array mode, the four first clamping jaw supporting frames 274, a first clamping jaw 23, a second clamping jaw 24, a third clamping jaw 25 and a fourth clamping jaw 26 are arranged in a one-to-one correspondence mode, the center of the ejector pin 273 is used as a circle center, and the ejector pin 273 is tightly pressed and attached to the end portion of the spindle, the first clamping jaw supporting frame 274 is provided with a first clamping jaw transmission shaft 275, and the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 are respectively sleeved on the corresponding first clamping jaw transmission shafts 275. The jaw driving device 28 comprises a driving support frame 281, a driving motor 282, a motor support seat 283, a first screw rod 284, a screw sleeve 285, a connecting cylinder 286 and a jaw connecting frame 287, wherein the driving support frame 281 is fixedly arranged on the fixed bottom plate 21, the motor support seat 283 is fixedly arranged on the driving support frame 281, the driving motor 282 is fixedly arranged on the motor support seat 283, the driving motor 282 is connected with the first screw rod 284, the screw sleeve 285 is sleeved on the first screw rod 284, the screw sleeve 285 is in threaded connection with the first screw rod 284, one end of the screw sleeve 285, far away from the driving motor 282, is fixedly connected with the connecting cylinder 286, the jaw connecting frame 287 is fixedly connected with one end of the connecting cylinder 286, far away from the screw sleeve 285, and one ends of the first jaw 23, the second jaw 24, the third jaw 25 and the fourth jaw 26 are hinged to the jaw connecting frame 287. A first guide sliding sleeve 288 is arranged on the driving support frame 281, a second guide sliding sleeve 289 is arranged on the first vertical support plate 22, the first guide sliding sleeve 288 and the second guide sliding sleeve 289 are coaxially arranged along the horizontal direction, and the screw sleeve 285 is in sliding connection with the first guide sliding sleeve 288 and the second guide sliding sleeve 289; a group of guide columns 2813 is arranged on the driving support frame 281, a first guide sliding plate 2814 is connected to the screw sleeve 285, and the first guide sliding plate 2814 is in sliding connection with the group of guide columns 2813. The clamping jaw connecting frame 287 comprises a rectangular supporting seat 2810 and four U-shaped supporting jaw supporting frames 2811, one end of the rectangular supporting seat 2810 is fixedly connected with the connecting cylinder 286, the four U-shaped supporting jaw supporting frames 2811 are fixedly arranged at the end portion, far away from the connecting cylinder 286, of the rectangular supporting seat 2810, the four U-shaped supporting jaw supporting frames 2811 and the four clamping jaw supporting frames 274 are arranged in a one-to-one correspondence mode, clamping jaw transmission shafts 2812 are arranged on the U-shaped supporting jaw supporting frames 2811, waist-shaped holes 231 are arranged at one ends of the clamping jaw first 23, the clamping jaw second 24, the clamping jaw third 25 and the clamping jaw fourth 26, and the clamping jaw transmission shafts 2812 are in rolling connection with the waist-shaped holes 231.
As shown in fig. 7, the spindle rotation driving assembly 4 includes a first rotation driving motor 41, a coupling 42, a first rotation shaft 43, a first driving wheel 44, a second driving wheel 45, a first driven wheel 46, a second driven wheel 47, a first belt 48, a second belt 49, a second rotation shaft 410, a third rotation shaft 411, a first right-angle supporting plate 412, a second right-angle supporting plate 413 and a supporting base plate 414, wherein the first right-angle supporting plate 412 and the second right-angle supporting plate 413 are fixedly disposed on the supporting base plate 414, the first right-angle supporting plate 412 and the second right-angle supporting plate 413 are symmetrically disposed, the first rotation driving motor 41 is fixedly disposed on the first right-angle supporting plate 412, the rotation shaft of the first rotation driving motor 41 is connected with the first rotation shaft 43 through the coupling 42, the first driving wheel 44 and the second driving wheel 45 are respectively disposed at both ends of the first rotation shaft 43, the first rotation shaft 43 is disposed on lower end portions of the first right-angle supporting plate 412 and the second right-angle supporting plate 413 through bearings, two 410 of pivot pass through the bearing setting on the upper end of right angle backup pad 412, three 411 of pivot pass through the bearing setting on the upper end of right angle backup pad two 413 to two 410 of pivot and the three 411 symmetry setting of pivot, follow driving wheel 46 and two 410 of pivot pass through the key-type connection, follow driving wheel two 47 and three 411 of pivot pass through the key-type connection, belt 48 overlaps and establishes on driving wheel 44 and follow driving wheel 46, belt two 49 covers establish on driving wheel two 45 and follow driving wheel two 47, main shaft location centre gripping subassembly 2 and two 410 connections of pivot, main shaft location centre gripping subassembly two 3 and three 411 connections of pivot.
The camera vertical driving assembly 7 shown in fig. 8 and 9 includes a set of vertical driving cylinders 71 and a vertical lifting U-shaped support plate 72, the set of vertical driving cylinders 71 is disposed on the detection frame 8, a set of piston rods of the vertical driving cylinders 71 is connected to the vertical lifting U-shaped support plate 72, the camera horizontal driving assembly 6 is connected to the vertical lifting U-shaped support plate 72, vertical guiding sliders 73 are disposed on two sides of the vertical lifting U-shaped support plate 72, which are close to the vertical column of the detection frame 8, vertical guiding sliding grooves 74 are disposed on the vertical column of the detection frame 8, and the vertical guiding sliders 73 are slidably connected to the vertical guiding sliding grooves 74. The camera horizontal driving component 6 comprises a horizontal driving motor 61, a transferring supporting base 62, two guide rails I63, a guiding sliding plate II 64, a screw rod II 65, a group of sliding blocks I66 and a horizontal supporting plate II 67, wherein the transferring supporting base 62 is fixedly connected with a vertical lifting U-shaped supporting plate 72, the horizontal driving motor 61 is fixedly arranged on the transferring supporting base 62, the horizontal driving motor 61 is connected with the screw rod II 65, the screw rod II 65 is arranged on the transferring supporting base 62 through a screw rod supporting seat, the group of sliding blocks I66 is sleeved on the screw rod II 65, the guiding sliding plate II 64 is connected with one of the group of sliding blocks I66, the guiding sliding plate II 64 is sleeved on the screw rod II 65, the horizontal supporting plate II 67 is fixedly connected with the group of sliding blocks I66 and the guiding sliding plate II 64, the CCD detecting camera 5 is fixedly arranged on the horizontal supporting plate II 67, the two guide rails I63 and the screw rod II 65 are arranged in parallel, the two guide rails I63 are respectively positioned on two sides of the screw rod II 65, and the guide sliding plate II 64 is connected with the two guide rails I63 in a sliding mode.
Based on the structure, the working method of the coaxiality detection device of the main shaft of the generator comprises the following steps:
s1, placing the main shaft between the first main shaft positioning and clamping assembly 2 and the second main shaft positioning and clamping assembly 3, wherein two ends of the main shaft are respectively located between the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 of the first main shaft positioning and clamping assembly 2 and the second main shaft positioning and clamping assembly 3;
s2, clamping of the main shaft: starting a first main shaft positioning and clamping assembly 2 and a second main shaft positioning and clamping assembly 3;
s3, starting the driving motor 282 to drive the first screw rod 284 to rotate, and driving the screw rod sleeve 285 to move along the horizontal direction due to the rotation of the first screw rod 284;
s4, the screw rod sleeve 285 drives the clamping jaw connecting frame 287 to move in the direction far away from the main shaft through the connecting cylinder 286;
s5, the second jaw transmission shaft 2812 is pulled to roll along the kidney-shaped hole 231 in the moving process of the jaw connecting frame 287, and meanwhile, the second jaw transmission shaft 2812 drives the first jaw 23, the second jaw 24, the third jaw 25 and the fourth jaw 26 to rotate around the first jaw transmission shaft 275 respectively;
s6, the first clamping jaw 23, the second clamping jaw 24, the third clamping jaw 25 and the fourth clamping jaw 26 rotate to the outer wall of the spindle and clamp the spindle;
s7, starting the horizontal driving motor 61, and driving the second screw rod 65 to rotate, so that the second horizontal supporting plate 67 is positioned at one end of the main shaft;
s8, extending the piston rods of the group of vertical driving cylinders 71, pushing the vertical lifting U-shaped supporting plate 72 to lift along the vertical direction, and adjusting the CCD detection camera 5 to be at a certain distance from the outer wall of the main shaft;
s9, starting the first rotary driving motor 41 to drive the first rotary rotating shaft 43 to rotate, and synchronously driving the first driving wheel 44 and the second driving wheel 45 to rotate by the first rotary rotating shaft 43;
s10, the first driving wheel 44 drives the first driven wheel 46 to rotate through the first belt 48, the second driving wheel 45 drives the second driven wheel 47 to rotate through the second belt 49, and therefore the first driven wheel 46 and the second driven wheel 47 rotate synchronously;
s11, synchronously rotating the first driven wheel 46 and the second driven wheel 47 to enable the first main shaft positioning and clamping assembly 2 and the second main shaft positioning and clamping assembly 3 to synchronously rotate to drive the main shaft to rotate, and carrying out circumference detection on the main shaft by the CCD detection camera 5;
s21, after the detection is finished, the first rotary driving motor 41 stops, the camera vertical driving assembly 7 lifts the CCD detection camera 5, the camera horizontal driving assembly 6 drives the CCD detection camera 5 to move to the next detection position of the spindle, the steps S8-S11 are repeated, the next position of the spindle is detected, the process is repeated continuously, and the spindle is detected continuously.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (1)
1. The utility model provides a axiality detection device of generator main shaft which characterized in that: comprises a detection platform (1), a first main shaft positioning and clamping component (2), a second main shaft positioning and clamping component (3), a main shaft rotation driving component (4), a CCD detection camera (5), a camera horizontal driving component (6), a vertical camera driving component (7) and a detection rack (8), wherein the main shaft rotation driving component (4) and the detection rack (8) are fixedly arranged on the detection platform (1), the first main shaft positioning and clamping component (2) and the second main shaft positioning and clamping component (3) are arranged on the main shaft rotation driving component (4), the first main shaft positioning and clamping component (2) and the second main shaft positioning and clamping component (3) are symmetrically arranged, a main shaft can be clamped between the first main shaft positioning and clamping component (2) and the second main shaft positioning and clamping component (3), the vertical camera driving component (7) is arranged on the upper end part of the detection rack (8), the camera horizontal driving assembly (6) is connected with the camera vertical driving assembly (7), the CCD detection camera (5) is connected with the camera horizontal driving assembly (6), and the CCD detection camera (5) is positioned above the first spindle positioning and clamping assembly (2) and the second spindle positioning and clamping assembly (3);
the spindle positioning and clamping assembly I (2) and the spindle positioning and clamping assembly II (3) respectively comprise a fixed bottom plate (21), a first vertical supporting plate (22), a first clamping jaw (23), a second clamping jaw (24), a third clamping jaw (25), a fourth clamping jaw (26), a clamping jaw supporting seat (27) and a clamping jaw driving device (28), the fixed bottom plate (21) is connected with the spindle rotation driving assembly (4), the first vertical supporting plate (22) and the clamping jaw driving device (28) are fixedly arranged on the fixed bottom plate (21), the clamping jaw supporting seat (27) is fixedly arranged on the vertical surface of the first vertical supporting plate (22), one ends of the first clamping jaw (23), the second clamping jaw (24), the third clamping jaw (25) and the fourth clamping jaw (26) are connected with the clamping jaw driving device (28), and the first clamping jaw (23), the second clamping jaw (24), the third clamping jaw (25), the fourth clamping jaw (26) and the clamping jaw supporting seat (27) are hinged, the clamping jaw I (23), the clamping jaw II (24), the clamping jaw III (25) and the clamping jaw IV (26) are arranged in an annular array mode, the clamping jaw I (23), the clamping jaw II (24), the clamping jaw III (25) and the clamping jaw IV (26) can be clamped on the outer circumference of the end part of the spindle, and the end parts, attached to the spindle, of the clamping jaw I (23), the clamping jaw II (24), the clamping jaw III (25) and the clamping jaw IV (26) are all arranged in a sawtooth shape or a wave shape;
the clamping jaw supporting seat (27) comprises two symmetrically arranged first supporting plates (271), first connecting plates (272), ejector pins (273) and first four clamping jaw supporting frames (274), one ends of the two symmetrically arranged first supporting plates (271) are fixedly connected with the first vertical supporting plates (22), the first connecting plates (272) are fixedly connected with the first supporting plates (271) in the end face mode of keeping away from the first vertical supporting plates (22), the ejector pins (273) are fixedly arranged on the first connecting plates (272) in the vertical end face mode of keeping away from the first supporting plates (271), the first four clamping jaw supporting frames (274) are fixedly arranged on the first connecting plates (272) in an annular array mode, the first clamping jaw supporting frames (274) are arranged in one-to-one correspondence with the first clamping jaws (23), the second clamping jaws (24), the third clamping jaws (25) and the fourth clamping jaws (26), and the first clamping jaws (23), the second clamping jaws (24), The clamping jaw III (25) and the clamping jaw IV (26) are arranged in an annular array mode by taking the center of the ejector pin (273) as the center of a circle, the ejector pin (273) is tightly pressed and attached to the end part of the main shaft, a clamping jaw transmission shaft I (275) is arranged on the clamping jaw support frame I (274), and the clamping jaw I (23), the clamping jaw II (24), the clamping jaw III (25) and the clamping jaw IV (26) are respectively sleeved on the corresponding clamping jaw transmission shaft I (275);
the clamping jaw driving device (28) comprises a driving supporting frame (281), a driving motor (282), a motor supporting seat (283), a first screw rod (284), a screw rod sleeve (285), a connecting cylinder (286) and a clamping jaw connecting frame (287), wherein the driving supporting frame (281) is fixedly arranged on the fixed bottom plate (21), the motor supporting seat (283) is fixedly arranged on the driving supporting frame (281), the driving motor (282) is fixedly arranged on the motor supporting seat (283), the driving motor (282) is connected with the first screw rod (284), the screw rod sleeve (285) is sleeved on the first screw rod (284), the screw rod sleeve (285) is in threaded connection with the first screw rod (284), one end, far away from the driving motor (282), of the screw rod sleeve (285) is fixedly connected with the connecting cylinder (286), the clamping jaw connecting frame (287) is fixedly connected with one end, far away from the screw rod sleeve (285), of the connecting cylinder (286), one ends of the first clamping jaw (23), the second clamping jaw (24), the third clamping jaw (25) and the fourth clamping jaw (26) are respectively hinged with the clamping jaw connecting frame (287);
a first guide sliding sleeve (288) is arranged on the driving support frame (281), a second guide sliding sleeve (289) is arranged on the first vertical support plate (22), the first guide sliding sleeve (288) and the second guide sliding sleeve (289) are coaxially arranged along the horizontal direction, and the screw rod sleeve (285) is in sliding connection with the first guide sliding sleeve (288) and the second guide sliding sleeve (289); a group of guide columns (2813) are arranged on the driving support frame (281), a first guide sliding plate (2814) is connected to the screw sleeve (285), and the first guide sliding plate (2814) is in sliding connection with the group of guide columns (2813);
the clamping jaw connecting frame (287) comprises a rectangular supporting seat (2810) and four U-shaped supporting clamping jaw supporting frames (2811), one end of the rectangular supporting seat (2810) is fixedly connected with the connecting cylinder (286), the four U-shaped supporting clamping jaw supporting frames (2811) are fixedly arranged at the end part, far away from the connecting cylinder (286), of the rectangular supporting seat (2810), the four U-shaped supporting clamping jaw supporting frames (2811) and the four clamping jaw supporting frames (274) are arranged in a one-to-one corresponding mode, clamping jaw transmission shafts (2812) are arranged on the U-shaped supporting clamping jaw supporting frames (2811), waist-shaped holes (231) are formed in one ends of the clamping jaw I (23), the clamping jaw II (24), the clamping jaw III (25) and the clamping jaw IV (26), and the clamping jaw transmission shafts (2812) are in rolling connection with the waist-shaped holes (231);
the spindle rotation driving assembly (4) comprises a first rotation driving motor (41), a coupler (42), a first rotation rotating shaft (43), a first driving wheel (44), a second driving wheel (45), a first driven wheel (46), a second driven wheel (47), a first belt (48), a second belt (49), a second rotating shaft (410), a third rotating shaft (411), a first right-angle supporting plate (412), a second right-angle supporting plate (413) and a supporting bottom plate (414), wherein the first right-angle supporting plate (412) and the second right-angle supporting plate (413) are fixedly arranged on the supporting bottom plate (414), the first right-angle supporting plate (412) and the second right-angle supporting plate (413) are symmetrically arranged, the first rotation driving motor (41) is fixedly arranged on the first right-angle supporting plate (412), the rotating shaft of the first rotation driving motor (41) is connected with the first rotation rotating shaft (43) through the coupler (42), the first driving wheel (44) and the second driving wheel (45) are respectively arranged at two ends of the first rotation rotating shaft (43), the first rotating shaft (43) is arranged on the lower end parts of the first right-angle supporting plate (412) and the second right-angle supporting plate (413) through bearings, the second rotating shaft (410) is arranged on the upper end part of the first right-angle supporting plate (412) through a bearing, the rotating shaft III (411) is arranged on the upper end part of the right-angle supporting plate II (413) through a bearing, the second rotating shaft (410) and the third rotating shaft (411) are symmetrically arranged, the first driven wheel (46) and the second rotating shaft (410) are connected through keys, the driven wheel II (47) is connected with the rotating shaft III (411) through a key, the belt I (48) is sleeved on the driving wheel I (44) and the driven wheel I (46), the second belt (49) is sleeved on the second driving wheel (45) and the second driven wheel (47), the spindle positioning and clamping assembly I (2) is connected with the rotating shaft II (410), and the spindle positioning and clamping assembly II (3) is connected with the rotating shaft III (411);
the camera vertical driving assembly (7) comprises a group of vertical driving cylinders (71) and a vertical lifting U-shaped supporting plate (72), the group of vertical driving cylinders (71) is arranged on the detection rack (8), piston rods of the group of vertical driving cylinders (71) are connected with the vertical lifting U-shaped supporting plate (72), the camera horizontal driving assembly (6) is connected with the vertical lifting U-shaped supporting plate (72), vertical guide sliding blocks (73) are arranged on two sides, close to the vertical column of the detection rack (8), of the vertical lifting U-shaped supporting plate (72), vertical guide sliding grooves (74) are formed in the vertical column of the detection rack (8), and the vertical guide sliding blocks (73) are connected with the vertical guide sliding grooves (74) in a sliding mode;
the camera horizontal driving assembly (6) comprises a horizontal driving motor (61), a transferring supporting base (62), two guide rails I (63), a guiding sliding plate II (64), a screw rod II (65), a group of sliding blocks I (66) and a horizontal supporting plate II (67), wherein the transferring supporting base (62) is fixedly connected with a vertical lifting U-shaped supporting plate (72), the horizontal driving motor (61) is fixedly arranged on the transferring supporting base (62), the horizontal driving motor (61) is connected with the screw rod II (65), the screw rod II (65) is arranged on the transferring supporting base (62) through a screw rod supporting seat, the group of sliding blocks I (66) is sleeved on the screw rod II (65), the guiding sliding plate II (64) is connected with one of the group of sliding blocks I (66), the guiding sliding plate II (64) is sleeved on the screw rod II (65), the horizontal supporting plate II (67) is fixedly connected with the group of sliding blocks I (66) and the guiding sliding plate II (64), the CCD detection camera (5) is fixedly arranged on a second horizontal supporting plate (67), the two first guide rails (63) and the second screw rod (65) are arranged in parallel, the two first guide rails (63) are respectively positioned on two sides of the second screw rod (65), and the second guide sliding plate (64) is in sliding connection with the two first guide rails (63);
the working method of the coaxiality detection device of the main shaft of the generator comprises the following steps:
s1, placing the main shaft between the first main shaft positioning and clamping assembly (2) and the second main shaft positioning and clamping assembly (3), wherein two ends of the main shaft are respectively located between the first clamping jaw (23), the second clamping jaw (24), the third clamping jaw (25) and the fourth clamping jaw (26) of the first main shaft positioning and clamping assembly (2) and the second main shaft positioning and clamping assembly (3);
s2, clamping of the main shaft: starting a first main shaft positioning and clamping assembly (2) and a second main shaft positioning and clamping assembly (3);
s3, starting a driving motor (282) to drive a first screw rod (284) to rotate, and driving a screw rod sleeve (285) to move along the horizontal direction due to the rotation of the first screw rod (284);
s4, the screw sleeve (285) drives the clamping jaw connecting frame (287) to move towards the direction far away from the main shaft through the connecting cylinder (286);
s5, pulling the second clamping jaw transmission shaft (2812) to roll along the kidney-shaped hole (231) in the moving process of the clamping jaw connecting frame (287), and simultaneously driving the first clamping jaw (23), the second clamping jaw (24), the third clamping jaw (25) and the fourth clamping jaw (26) to rotate around the first clamping jaw transmission shaft (275) respectively by the second clamping jaw transmission shaft (2812);
s6, a first clamping jaw (23), a second clamping jaw (24), a third clamping jaw (25) and a fourth clamping jaw (26) rotate to the outer wall of the spindle and clamp the spindle;
s7, starting the horizontal driving motor (61), and driving the second screw rod (65) to rotate, so that the second horizontal supporting plate (67) is positioned at one end of the main shaft;
s8, extending piston rods of a group of vertical driving cylinders (71), pushing a vertical lifting U-shaped supporting plate (72) to lift along the vertical direction, and adjusting a CCD detection camera (5) to be at a certain distance from the outer wall of the main shaft;
s9, starting the first rotary driving motor (41) to drive the first rotary rotating shaft (43) to rotate, and synchronously driving the first driving wheel (44) and the second driving wheel (45) to rotate by the first rotary rotating shaft (43);
s10, the driving wheel I (44) drives the driven wheel I (46) to rotate through the belt I (48), the driving wheel II (45) drives the driven wheel II (47) to rotate through the belt II (49), and therefore the driven wheel I (46) and the driven wheel II (47) rotate synchronously;
s11, synchronous rotation of the driven wheel I (46) and the driven wheel II (47) enables the main shaft positioning and clamping assembly I (2) and the main shaft positioning and clamping assembly II (3) to synchronously rotate to drive the main shaft to rotate, and the CCD detection camera (5) performs circumference detection on the main shaft;
s12, after the detection is finished, stopping the first rotary driving motor (41), lifting the CCD detection camera (5) by the camera vertical driving assembly (7), driving the CCD detection camera (5) to move to the next detection position of the spindle by the camera horizontal driving assembly (6), repeating the steps S8-S11, detecting the next position of the spindle, continuously repeating the process, and continuously detecting the spindle.
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