CN113670233A - Shaft part straightness error wireless measuring device and method based on machine vision - Google Patents
Shaft part straightness error wireless measuring device and method based on machine vision Download PDFInfo
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- CN113670233A CN113670233A CN202111089613.3A CN202111089613A CN113670233A CN 113670233 A CN113670233 A CN 113670233A CN 202111089613 A CN202111089613 A CN 202111089613A CN 113670233 A CN113670233 A CN 113670233A
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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
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device and a method for wirelessly measuring straightness errors of shaft parts based on machine vision, belongs to the technical field of devices for measuring the straightness errors of the shaft parts, and comprises a side U-shaped seat, wherein a pipe body self-adaptive plate body assembly penetrates through the middle of the top of the side U-shaped seat, a clamping rod assembly capable of fixing the pipe body self-adaptive plate body assembly is further arranged at the top of the side U-shaped seat, a monitoring box body assembly is mounted in the middle of one side of the side U-shaped seat, an adjusting motor is started to drive an adjusting rotary disc to operate, a hinge rod is pushed through the adjusting rotary disc, a limiting sliding rod is pushed through the hinge rod to move, an impact plate is driven through the limiting sliding rod to move, an impact plate moves through the impact plate, an impact hammer impacts a measured pipe body and a pressure sensor to obtain impact pressure information to a single chip microcomputer, and the obtained data is displayed through a display screen.
Description
Technical Field
The invention relates to a device for measuring straightness errors of shaft parts, in particular to a device for wirelessly measuring the straightness errors of the shaft parts based on machine vision.
Background
In industrial products, shaft parts are suitable for maintenance operation of one or more numerically-controlled machine tool machining parts, the shaft parts are one of typical parts frequently encountered in hardware fittings and are mainly used for supporting transmission parts, transmitting torque and bearing load, and the shaft parts can be generally divided into three types, namely an optical axis, a stepped axis and a special-shaped axis or a solid axis, a hollow axis and the like according to different structural forms of the shaft parts.
The prior art is the most often adopted laser measurement's mode when detecting to the straightness accuracy error of axle type part, and only can measure first one end opening one end confined axle type part when detecting, it is more limited to measure like this, the second can't carry out accurate measurement to the measurement of body axle type part of bevel connection when measuring, and the measurement mode is more single, can't organic combination make its measurement accuracy and the variety of measuring function reach better optimization, design a wireless measuring device of axle type part straightness accuracy error and method based on machine vision for this reason and optimize above-mentioned problem.
Disclosure of Invention
The invention mainly aims to provide a device and a method for wirelessly measuring the straightness error of shaft parts based on machine vision, wherein a measured pipe body is inserted to the outer side of an adjusting clamping block and positioned at the top of a clamping disc, a rotary driving motor is started to drive the adjusting gear disc to move, a top gear disc is driven to move through the mutual meshing of the adjusting gear disc and a bottom gear ring, the adjusting clamping block is driven to move through the top gear disc to press the inner wall of the measured pipe body to fix the measured pipe body after the adjusting clamping block is adjusted, an angular friction degree measuring plate is driven to press and hold the top of the measured pipe body through a universal seat to be self-adapted to the top of the measured pipe body by starting a second electric lifting rod, the top of the angular friction degree measuring plate is self-adapted to the top of the measured pipe body to be matched with an inclination sensor to obtain the inclination of the top of the measured pipe body, the laser measuring head is started to hit laser at the bottom of the angle friction degree measuring plate so as to measure the axial length of the measured tube body, and the straightness can be measured when the measured tube body is obliquely placed on the basis of the axial length, the inner diameter of the measured tube body can be measured through the measuring strip when the measured tube body is fixed by the adjusting clamping block, the rotating motor is started to drive the rotating disc to move, the measured tube body can be driven to rotate through the rotating disc so as to rub with the bottom of the angle friction degree measuring plate, the vibration generated when the angle friction degree measuring plate rubs with the measured tube body is acquired by the vibration sensor so as to measure the roughness of the end part of the measured tube body, the adjusting motor is started to drive the adjusting turntable to operate, the hinge rod is pushed through the adjusting turntable, the limiting sliding rod is pushed through the hinge rod to move, and the impact plate is driven to move through the limiting sliding rod, the impact plate drives the impact hammer to impact the measured pipe body to be matched with the pressure sensor to acquire impact pressure information to the single chip microcomputer, and acquired data are displayed through the display screen. .
The purpose of the invention can be achieved by adopting the following technical scheme:
the device for wirelessly measuring the straightness error of the shaft part based on machine vision comprises a side U-shaped seat, wherein a pipe body self-adaptive plate body assembly is arranged in the middle of the top of the side U-shaped seat in a penetrating mode, a clamping rod assembly capable of fixing the pipe body self-adaptive plate body assembly is further arranged at the top of the side U-shaped seat, a monitoring box body assembly is arranged in the middle of one side of the side U-shaped seat, a rotating motor is arranged in the middle of the top of the side U-shaped seat, a rotating disc is arranged at the output end of the rotating motor through a first rotating shaft, clamping discs are arranged at four corners of the top of the rotating disc through fixing rods, a supporting rotating rod is arranged in the middle of the top of the rotating disc, an adjusting disc assembly is arranged at the top of the outer side of the supporting rotating rod through a bearing, a rotary driving assembly capable of adjusting the rotation of a top toothed disc is arranged at the top of the rotating disc, and a clamping plate assembly is arranged at the top of the fixing rods, and the clamping plate component is provided with an adjusting clamping block which can be adjusted by the adjusting plate component, one side of the side U-shaped seat is provided with a side fixing plate, the middle part of the outer side of the side fixing plate is provided with a side middle fixing plate, the middle part of one side of the side middle fixing plate is penetrated and provided with a limiting opening, a limiting sliding rod is inserted into the inner side of the limiting opening, an impact plate component is installed at one end of the limiting sliding rod, one side of the top of the side middle fixing plate is provided with an adjusting driving component, a linkage adjusting rod component is arranged between the adjusting driving component and the limiting sliding rod, and the side middle fixing plate is provided with a second limiting strip-shaped notch which can limit the movement of the linkage adjusting rod component.
Preferably, body self-adaptation plate body subassembly includes second electric lift pole, angle friction degree measurement board and universal seat, the top mid-mounting of side U type seat has second electric lift pole, the output of second electric lift pole runs through the universal seat is installed to side U type seat, the bottom of universal seat is equipped with angle friction degree measurement board.
Preferably, the clamping rod assembly comprises a first electric lifting rod, a third electric lifting rod, a limiting hole and an output clamping rod, the limiting hole is formed in two sides of the top of the angle friction degree measuring plate, the top of the side U-shaped seat is close to the second electric lifting rod, the third electric lifting rod and the first electric lifting rod are respectively installed at the position of the second electric lifting rod, and the output ends of the third electric lifting rod and the first electric lifting rod are installed to penetrate through the side U-shaped seat and the output clamping rod matched with the limiting hole.
Preferably, the control box subassembly is including control box, display screen, control panel, singlechip, digital analog converter and wireless transceiver, the control box is installed to one side of side U type seat, the positive top of control box is equipped with the display screen, the positive below of control box is equipped with multiunit control panel, the inside of control box is equipped with singlechip, digital analog converter and wireless transceiver, and built-in shock transducer and gradient sensor on the board are measured to angle friction degree, shock transducer and gradient sensor pass through the wire with digital analog converter electric link, the singlechip with digital analog converter and wireless transceiver.
Preferably, the adjusting disk subassembly includes top gear wheel dish, end gear ring and laser measuring head, support the bull stick and install a gear wheel dish through the bearing, the bottom of top gear wheel dish is followed top gear wheel dish ring portion is equipped with end gear ring, the top mid-mounting of top gear wheel dish has the laser measuring head, the rotation driving subassembly with end gear ring intermeshing.
Preferably, the rotary driving assembly comprises a rotary driving motor, an adjusting gear disc and a second rotating shaft, the middle of the outer side of the supporting rotating rod is provided with the rotary driving motor, the second rotating shaft is installed at the output end of the rotary driving motor, the adjusting gear disc is installed at the other end of the second rotating shaft, and the adjusting gear disc and the bottom gear ring are meshed with each other.
Preferably, the clamping plate component comprises a fixing ring, a clamping disc, a first limiting side strip notch, an adjusting clamping block, a circular through hole, a measuring strip and a fixing ring groove, the bottom of the fixing ring is provided with a fixing ring groove, the fixing rod is inserted into the fixing ring groove and fixed with the top of the fixing ring, the top of the fixing ring is provided with a clamping disc, the top of the clamping disc is provided with a first limiting side strip notch along the ring part of the clamping disc, and the inner side of the first limit side strip notch is inserted with an adjusting clamping block which can slide in the inner side of the first limit side strip notch, the bottom of the adjusting clamping block is meshed with the top gear wheel disc, the top of the clamping disc is provided with a measuring strip along the annular part of the clamping disc, the middle part of the top of the clamping disc is provided with a circular through hole, and the laser measuring head is connected with the digital-to-analog converter through a wire.
Preferably, the striking plate subassembly includes striking hammer, striking plate and pressure sensor, the striking plate is installed the one end of spacing slide bar, the outside of striking plate is equidistant to be equipped with the striking hammer, pressure sensor is installed to the other end of striking hammer, just pressure sensor with digital analog converter electric connection.
Preferably, the adjusting driving assembly comprises an adjusting motor and an adjusting rotary table, the adjusting motor is mounted at the middle end of the bottom of the side middle fixing plate, the output end of the adjusting motor penetrates through the second limiting strip-shaped notch to be mounted with the adjusting rotary table, and a linkage adjusting rod assembly is arranged between the adjusting rotary table and the limiting sliding rod.
Preferably, the linkage adjusting rod assembly comprises a limiting rotating rod and a hinge rod, the other end of the limiting sliding rod penetrates through the limiting rotating rod, the limiting rotating rod further penetrates through the second limiting strip-shaped notch, the limiting rotating rod is meshed with the limiting sliding rod, the outer side of the limiting rotating rod is hinged to the hinge rod through a bearing, and the other end of the hinge rod is hinged to the top edge portion of the adjusting turntable.
The method for wirelessly measuring the straightness error of the shaft part based on machine vision comprises the following steps:
step 1: inserting the measured pipe body to the outer side of the adjusting clamping block and locating at the top of the clamping disc;
step 2: starting a rotary driving motor and driving an adjusting gear disc to move, and driving a top gear disc to move through the mutual meshing of the adjusting gear disc and a bottom gear ring;
and step 3: the top gear disc drives the adjusting clamping block to move, so that the adjusting clamping block extrudes the inner wall of the measured pipe body to fix the measured pipe body after being adjusted;
and 4, step 4: the second electric lifting rod is started to push the angle friction degree measuring plate to enable the angle friction degree measuring plate to be pressed and held at the top of the measured pipe body, and the angle friction degree measuring plate is made to be adaptive to the top of the measured pipe body through the universal seat;
and 5: the top of the measured pipe body is self-adapted on the angle friction degree measuring plate, and an inclination sensor is matched to obtain the inclination of the top of the measured pipe body;
step 6: the laser measuring head is started to hit laser at the bottom of the angle friction degree measuring plate so as to measure the axial length of the measured tube body, and the straightness can be measured when the measured tube body is obliquely placed on the basis of the axial length;
and 7: the inner diameter of the measured pipe body can be measured through the measuring strip when the clamping block is adjusted to fix the measured pipe body;
and 8: starting a rotating motor to drive a rotating disc to move, and driving the measured tube body to rotate through the rotating disc so as to drive the measured tube body to rub the bottom of the angle friction degree measuring plate;
and step 9: the vibration generated when the angle friction degree measuring plate rubs with the measured tube body is obtained by the vibration sensor, so that the roughness of the end part of the measured tube body can be measured;
step 10: starting an adjusting motor to drive an adjusting turntable to operate, pushing a hinge rod through the adjusting turntable, and pushing a limiting sliding rod to move through the hinge rod;
step 11: the limiting sliding rod drives the impact plate to move, the impact plate drives the impact hammer to impact the measured pipe body to be matched with the pressure sensor to obtain impact pressure information, and the impact pressure information is transmitted to the single chip microcomputer;
step 12: and displaying the acquired data through a display screen.
Preferably, start first electric lift pole and third electric lift pole and drive the output card pole and insert to spacing downthehole fixed angle friction degree measuring plate.
The invention has the beneficial technical effects that:
the invention provides a device and a method for wirelessly measuring straightness errors of shaft parts based on machine vision, wherein a measured pipe body is inserted to the outer side of an adjusting clamping block and is positioned at the top of a clamping disc, a rotary driving motor is started to drive an adjusting gear disc to move, a top gear disc is driven to move through the mutual engagement of the adjusting gear disc and a bottom gear ring, the adjusting clamping block is driven to move through the top gear disc to extrude the inner wall of the measured pipe body to fix the measured pipe body after the adjusting clamping block is adjusted, an angular friction degree measuring plate is pushed to press and hold the top of the measured pipe body through a universal seat by starting a second electric lifting rod to be self-adaptive to the top of the measured pipe body, and the top of the angular friction degree measuring plate is matched with an inclination sensor to obtain the inclination of the top of the measured pipe body, the laser measuring head is started to hit laser at the bottom of the angle friction degree measuring plate so as to measure the axial length of the measured tube body, and the straightness can be measured when the measured tube body is obliquely placed on the basis of the axial length, the inner diameter of the measured tube body can be measured through the measuring strip when the measured tube body is fixed by the adjusting clamping block, the rotating motor is started to drive the rotating disc to move, the measured tube body can be driven to rotate through the rotating disc so as to rub with the bottom of the angle friction degree measuring plate, the vibration generated when the angle friction degree measuring plate rubs with the measured tube body is acquired by the vibration sensor so as to measure the roughness of the end part of the measured tube body, the adjusting motor is started to drive the adjusting turntable to operate, the hinge rod is pushed through the adjusting turntable, the limiting sliding rod is pushed through the hinge rod to move, and the impact plate is driven to move through the limiting sliding rod, the impact plate drives the impact hammer to impact the measured pipe body to be matched with the pressure sensor to acquire impact pressure information to the single chip microcomputer, and acquired data are displayed through the display screen.
Drawings
FIG. 1 is a perspective view of the whole apparatus of a preferred embodiment of the apparatus and method for measuring linearity error of shaft parts based on machine vision;
FIG. 2 is an exploded view of the overall three-dimensional structure of a preferred embodiment of the apparatus and method for wirelessly measuring straightness errors of shaft parts based on machine vision according to the present invention;
FIG. 3 is an exploded perspective view of a combination of a fixing assembly and a measuring assembly of a tube body part according to a preferred embodiment of the apparatus and method for wirelessly measuring straightness errors of shaft parts based on machine vision of the present invention;
FIG. 4 is a schematic perspective view of a tube fixing assembly according to a preferred embodiment of the apparatus and method for wirelessly measuring straightness errors of shaft parts based on machine vision according to the present invention;
FIG. 5 is a perspective view of a combination of a fixing assembly and a measuring assembly of a tube body part according to a preferred embodiment of the apparatus and method for wirelessly measuring straightness errors of shaft parts based on machine vision of the present invention;
FIG. 6 is a perspective view of a position-limiting fixed ring assembly of a preferred embodiment of the apparatus and method for wireless measurement of straightness errors of shaft parts based on machine vision according to the present invention;
FIG. 7 is a schematic perspective view of a combination of a tube strength measuring assembly and a tube circular impact assembly according to a preferred embodiment of the apparatus and method for wirelessly measuring straightness errors of shaft parts based on machine vision of the present invention;
fig. 8 is an enlarged view of a structure at a position a of a preferred embodiment of the device and the method for wirelessly measuring the straightness error of the shaft part based on machine vision according to the invention.
In the figure: 1-side fixed plate, 2-first electric lifter, 3-second electric lifter, 4-third electric lifter, 5-angle friction measuring plate, 6-spacing hole, 7-monitoring box, 8-display screen, 9-control panel, 10-side middle fixed plate, 11-spacing sliding rod, 12-strike plate, 13-strike hammer, 14-adjusting rotary disk, 15-rotating motor, 16-rotating disk, 17-clamping disk, 18-adjusting clamping block, 19-fixed rod, 20-adjusting motor, 21-hinged rod, 22-spacing rotary rod, 23-spacing through hole, 24-measured tube, 25-universal seat, 26-side U-shaped seat, 27-top toothed wheel disk, 28-measuring strip, 29-a first limit side strip notch, 30-a fixed ring, 31-a laser measuring head, 32-a bottom gear ring, 33-a support rotating rod, 34-a rotary driving motor, 35-an adjusting gear disc, 36-a circular through hole, 37-a fixed ring groove, 38-a first rotating shaft, 39-a second strip-shaped rotating shaft and 40-a second limit notch.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to 8, the device for wirelessly measuring straightness errors of shaft-like parts based on machine vision provided in this embodiment includes a side U-shaped seat 26, a tube body adaptive plate assembly is disposed through the top middle portion of the side U-shaped seat 26, a clamping rod assembly capable of fixing the tube body adaptive plate assembly is further disposed on the top of the side U-shaped seat 26, a monitoring box assembly is mounted in the middle portion of one side of the side U-shaped seat 26, a rotating motor 15 is mounted in the top middle portion of the side U-shaped seat 26, a rotating disc 16 is mounted at an output end of the rotating motor 15 through a first rotating shaft 38, clamping discs 17 are mounted at four corners of the top of the rotating disc 16 through fixing rods 19, a supporting rotating rod 33 is mounted in the top middle portion of the rotating disc 16, an adjusting disc assembly is mounted at the top of the outer side of the supporting rotating rod 33 through a bearing, a rotation driving assembly capable of adjusting the rotation of a top toothed disc 27 is mounted at the top of the rotating disc 16, a clamping plate assembly is mounted at the top of the fixing rods 19, and be equipped with on the grip block subassembly and can be by regulation grip block 18 of regulating disc subassembly, side fixed plate 1 is installed to one side of side U type seat 26, side fixed plate 1's outside mid-mounting has side intermediate fixed plate 10, side intermediate fixed plate 10 one side middle part is run through and is seted up spacing opening 23, spacing slide bar 11 has been inserted to spacing opening 23 inboard, and the one end of spacing slide bar 11 installs the striking plate subassembly, top one side of side intermediate fixed plate 10 is equipped with the regulation drive assembly, be equipped with the linkage regulating rod subassembly between regulation drive assembly and the spacing slide bar 11, be equipped with the spacing strip type notch 40 of second that can move spacing to the linkage regulating rod subassembly on side intermediate fixed plate 10.
The general working principle is as follows: the measured tube body 24 is inserted into the outer side of the adjusting clamping block 18 and positioned at the top of the clamping disc 17, the rotary driving motor 34 is started and drives the adjusting gear disc 35 to move, the top gear disc 27 is driven to move by the mutual engagement of the adjusting gear disc 35 and the bottom gear ring 32, the adjusting clamping block 18 is driven by the top gear disc 27 to move so that the adjusting clamping block 18 can extrude the inner wall of the measured tube body 24 to fix the measured tube body 24 after being adjusted, the angular friction degree measuring plate 5 is pushed by starting the second electric lifting rod 3 so that the angular friction degree measuring plate 5 is pressed and held at the top of the measured tube body 24, the angular friction degree measuring plate 5 is self-adaptive to the top of the measured tube body 24 through the universal seat 25, the inclination of the top of the measured tube body 24 is obtained by matching with the inclination sensor at the top of the angular friction degree measuring plate 5, and the laser is shot at the bottom of the angular friction degree measuring plate 5 by starting the laser measuring head 31 so as to measure the axis of the measured tube body 24 The length of the pipe body 24 to be measured can be measured by taking the length as a reference, the straightness can be measured when the pipe body 24 to be measured is obliquely placed, when the clamping block 18 is adjusted to fix the pipe body 24 to be measured, the inner diameter of the pipe body 24 to be measured can be measured through the measuring strip 28, the rotating motor 15 is started to drive the rotating disc 16 to move, the pipe body 24 to be measured is driven to rotate through the rotating disc 16 to drive the pipe body 24 to be measured to rub against the bottom of the angular friction degree measuring plate 5, the vibration generated when the angular friction degree measuring plate 5 rubs against the pipe body 24 to be measured is obtained by the vibration sensor to measure the roughness of the end part of the pipe body 24 to be measured, the adjusting motor 20 is started to drive the adjusting rotary disc 14 to operate, the hinge rod 21 is pushed through the adjusting rotary disc 14, the limit sliding rod 11 is pushed to move through the hinge rod 21, the impact plate 12 is driven to move through the limit sliding rod 11, the impact hammer 13 is driven by the impact plate 12 to impact the pipe body 24 to be measured to cooperate with the pressure sensor to obtain impact pressure information to the single chip microcomputer, the acquired data is displayed via the display screen 8.
In this embodiment, body self-adaptation plate body subassembly includes second electric lift pole 3, angle friction degree measurement board 5 and universal seat 25, and the top mid-mounting of side U type seat 26 has second electric lift pole 3, and the output of second electric lift pole 3 runs through side U type seat 26 and installs universal seat 25, and the bottom of universal seat 25 is equipped with angle friction degree measurement board 5.
The local working principle is as follows: the angle friction degree measuring plate 5 is pushed by starting the second electric lifting rod 3, so that the angle friction degree measuring plate 5 is pressed and held at the top of the measured tube body 24, the angle friction degree measuring plate 5 is adaptive to the top of the measured tube body 24 through the universal seat 25, and the top of the angle friction degree measuring plate 5, which is adaptive to the measured tube body 24, is matched with the inclination sensor to obtain the inclination of the top of the measured tube body 24;
the rotating disc 16 drives the tube body 24 to rotate, so that the tube body 24 to be measured can be driven to rub against the bottom of the angle friction degree measuring plate 5, and the vibration generated when the angle friction degree measuring plate 5 rubs against the tube body 24 to be measured is acquired by the vibration sensor, so that the roughness of the end part of the tube body 24 to be measured can be measured.
In this embodiment, the kelly subassembly includes first electric lift pole 2, third electric lift pole 4, spacing hole 6 and output kelly, and spacing hole 6 has been seted up to the both sides at 5 tops of angle friction degree measuring plate, and third electric lift pole 4 and first electric lift pole 2 are installed respectively to the side U type seat 26 top near second electric lift pole 3 punishment, and third electric lift pole 4 and the output of first electric lift pole 2 are installed and are run through the output kelly of side U type seat 26 and spacing hole 6 mutually supporting.
The local working principle is as follows: the first electric lifting rod 2 and the third electric lifting rod 4 are started to drive the output clamping rod to be inserted into the limiting hole 6 to fix the angle friction degree measuring plate 5.
In this embodiment, control box subassembly is including control box 7, display screen 8, control panel 9, the singlechip, digital-to-analog converter and wireless transceiver, control box 7 is installed to one side of side U type seat 26, the positive top of control box 7 is equipped with display screen 8, the positive below of control box 7 is equipped with multiunit control panel 9, the inside of control box 7 is equipped with the singlechip, digital-to-analog converter and wireless transceiver, and built-in shock transducer and gradient sensor on board 5 are measured to angular friction degree, shock transducer and gradient sensor pass through wire and digital-to-analog converter electric link, singlechip and digital-to-analog converter and wireless transceiver.
In this embodiment, the adjusting disk assembly includes a top gear disk 27, a bottom gear ring 32 and a laser measuring head 31, the top gear disk 27 is installed on a supporting rotating rod 33 through a bearing, the bottom gear ring 32 is arranged at the bottom of the top gear disk 27 along the ring portion of the top gear disk 27, the laser measuring head 31 is installed at the top middle portion of the top gear disk 27, the rotary driving assembly is meshed with the bottom gear ring 32, the rotary driving assembly includes a rotary driving motor 34, an adjusting gear disk 35 and a second rotating shaft 39, the rotary driving motor 34 is installed at the outer side middle portion of the supporting rotating rod 33, the second rotating shaft 39 is installed at the output end of the rotary driving motor 34, the adjusting gear disk 35 is installed at the other end of the second rotating shaft 39, the adjusting gear disk 35 is meshed with the bottom gear ring 32, the clamping disk assembly includes a fixing ring 30, a clamping disk 17, a first limiting side strip notch 29, an adjusting clamping block 18, a circular through hole 36, Measuring strip 28 and fixed ring groove 37, fixed ring groove 37 has been seted up to fixed ring 30's bottom, dead lever 19 inserts in fixed ring groove 37 and fixed ring 30 interior top fixed, centre gripping dish 17 is installed at fixed ring 30's top, first spacing sidebar notch 29 has been seted up along centre gripping dish 17 ring portion in centre gripping dish 17's top, and the inboard of first spacing sidebar notch 29 has inserted can be at the inboard gliding regulation grip block 18 of first spacing sidebar notch 29, adjust the bottom and the top gear disc 27 intermeshing of grip block 18, centre gripping dish 17's top is equipped with measuring strip 28 along centre gripping dish 17 ring portion, circular opening 36 has been seted up at centre gripping dish 17 top middle part, laser measuring head 31 passes through wire and digital analog converter connection of electric lines.
The local working principle is as follows: the measured tube body 24 is inserted into the outer side of the adjusting clamping block 18 and positioned at the top of the clamping disc 17, the rotary driving motor 34 is started and drives the adjusting gear disc 35 to move, the top gear disc 27 is driven to move through the mutual engagement of the adjusting gear disc 35 and the bottom gear ring 32, the adjusting clamping block 18 is driven through the top gear disc 27 to move, the adjusting clamping block 18 is adjusted, and then the inner wall of the measured tube body 24 is extruded to fix the measured tube body 24.
In this embodiment, the striking plate assembly includes striking hammers 13, a striking plate 12 and a pressure sensor, the striking plate 12 is installed at one end of a limiting sliding rod 11, the striking hammers 13 are equidistantly arranged on the outer side of the striking plate 12, the pressure sensor is installed at the other end of the striking hammers 13 and is electrically connected with a digital-to-analog converter, the adjusting driving assembly includes an adjusting motor 20 and an adjusting rotary plate 14, the adjusting motor 20 is installed at the bottom middle end of the side middle fixing plate 10, the adjusting rotary plate 14 is installed by the output end of the adjusting motor 20 penetrating through a second limiting strip-shaped notch 40, a linkage adjusting rod assembly is arranged between the adjusting rotary plate 14 and the limiting sliding rod 11 and includes a limiting rotary rod 22 and a hinge rod 21, the limiting rotary rod 22 is arranged at the other end of the limiting sliding rod 11 and penetrates through the second limiting strip-shaped notch 40, the limiting rotary rod 22 and the limiting sliding rod 11 are engaged with each other, the outer side of the limit rotating rod 22 is hinged with the hinge rod 21 through a bearing, and the other end of the hinge rod 21 is hinged at the top edge part of the adjusting turntable 14.
The local working principle is as follows: starting adjusting motor 20 and driving adjusting turntable 14 and moving, promoting articulated rod 21 through adjusting turntable 14, promoting the motion of spacing slide bar 11 through articulated rod 21, driving striking plate 12 through spacing slide bar 11 and moving, driving striking hammer 13 through striking plate 12 and striking to acquire striking pressure information to the singlechip in by measured body 24 cooperation pressure sensor, carry out the data that show acquireing through display screen 8.
The method for wirelessly measuring the straightness error of the shaft part based on machine vision comprises the following steps:
step 1: inserting the tube body 24 to be measured to the outside of the adjusting clamping block 18 and on top of the clamping disk 17;
step 2: starting the rotary driving motor 34 and driving the adjusting gear disc 35 to move, and driving the top gear disc 27 to move through the mutual meshing of the adjusting gear disc 35 and the bottom gear ring 32;
and step 3: the adjusting clamping block 18 is driven by the top gear disc 27 to move, so that the adjusting clamping block 18 extrudes the inner wall of the measured pipe body 24 to fix the measured pipe body 24 after being adjusted;
and 4, step 4: the second electric lifting rod 3 is started to push the angle friction degree measuring plate 5 to enable the angle friction degree measuring plate 5 to be pressed and held at the top of the measured pipe body 24, and the angle friction degree measuring plate 5 is made to be adaptive to the top of the measured pipe body 24 through the universal seat 25;
and 5: the top of the tube body 24 to be measured is self-adapted on the angle friction degree measuring plate 5, and an inclination sensor is matched to obtain the inclination of the top of the tube body 24 to be measured;
step 6: the laser measuring head 31 is started to hit laser at the bottom of the angle friction degree measuring plate 5 so as to measure the axial length of the measured tube body 24, and the straightness can be measured when the measured tube body 24 is obliquely placed on the basis of the axial length;
and 7: the inner diameter of the measured pipe body 24 can be measured through the measuring strip 28 when the adjusting clamping block 18 fixes the measured pipe body 24;
and 8: starting the rotating motor 15 to drive the rotating disc 16 to move, and driving the measured tube body 24 to rotate through the rotating disc 16 so as to drive the measured tube body 24 to rub the bottom of the angle friction degree measuring plate 5;
and step 9: the vibration generated when the angular friction degree measuring plate 5 rubs against the tube 24 to be measured is obtained by the vibration sensor, so that the roughness of the end part of the tube 24 to be measured can be measured;
step 10: starting the adjusting motor 20 to drive the adjusting turntable 14 to operate, pushing the hinge rod 21 through the adjusting turntable 14, and pushing the limiting sliding rod 11 to move through the hinge rod 21;
step 11: the limiting sliding rod 11 drives the impact plate 12 to move, the impact plate 12 drives the impact hammer 13 to impact the measured pipe body 24 to obtain impact pressure information to be transmitted to the single chip microcomputer in cooperation with the pressure sensor;
step 12: the acquired data is displayed via the display screen 8.
In this embodiment, start first electric lift rod 2 and third electric lift rod 4 and drive the output kelly and insert and fix angle friction degree measurement board 5 in spacing hole 6.
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its concept within the scope of the present invention.
Claims (10)
1. Axle type part straightness accuracy error wireless measuring device based on machine vision, its characterized in that: including side U type seat (26), the top middle part of side U type seat (26) runs through and is equipped with body self-adaptation plate body subassembly, the top of side U type seat (26) still is equipped with can with the fixed kelly subassembly of body self-adaptation plate body subassembly, one side mid-mounting of side U type seat (26) has the control box body subassembly, the top mid-mounting of side U type seat (26) has rotating electrical machines (15), rotary disk (16) is installed through first pivot (38) in the output of rotating electrical machines (15), centre gripping dish (17) are installed through dead lever (19) in the top four corners department of rotary disk (16), the top mid-mounting of rotary disk (16) has support rotor (33), the regulation disk subassembly is installed through the bearing at the outside top of support rotor (33), adjustable top toothed disc (27) rotatory rotary drive subassembly is installed at the top of rotary disk (16), the top of the fixed rod (19) is provided with a clamping plate component, an adjusting clamping block (18) which can be adjusted by the adjusting plate component is arranged on the clamping plate component, a side fixing plate (1) is arranged on one side of the side U-shaped seat (26), a side middle fixing plate (10) is arranged in the middle of the outer side of the side fixing plate (1), a limit through hole (23) is arranged in the middle of one side of the side middle fixing plate (10) in a penetrating way, a limit sliding rod (11) is inserted into the inner side of the limit through hole (23), and one end of the limiting sliding rod (11) is provided with a striking plate component, one side of the top of the side middle fixing plate (10) is provided with an adjusting driving component, a linkage adjusting rod component is arranged between the adjusting driving component and the limiting sliding rod (11), and a second limit strip type notch (40) capable of limiting the movement of the linkage adjusting rod assembly is arranged on the side middle fixing plate (10).
2. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 1, wherein: body self-adaptation plate body subassembly includes second electric lift pole (3), angle friction degree measuring plate (5) and universal seat (25), the top mid-mounting of side U type seat (26) has second electric lift pole (3), the output of second electric lift pole (3) runs through universal seat (25) are installed in side U type seat (26), the bottom of universal seat (25) is equipped with angle friction degree measuring plate (5).
3. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 2, is characterized in that: the kelly subassembly includes first electric lift pole (2), third electric lift pole (4), spacing hole (6) and output kelly, spacing hole (6) have been seted up to the both sides at angle friction measurement board (5) top, side U type seat (26) top is close to second electric lift pole (3) punishment do not installs third electric lift pole (4) and first electric lift pole (2), third electric lift pole (4) and first electric lift pole (2) output are installed and are run through side U type seat (26) with spacing hole (6) output kelly of mutually supporting.
4. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 3, wherein: the control box subassembly is including control box (7), display screen (8), control panel (9), singlechip, digital analog converter and wireless transceiver, control box (7) are installed to one side of side U type seat (26), the front top of control box (7) is equipped with display screen (8), the positive below of control box (7) is equipped with multiunit control panel (9), the inside of control box (7) is equipped with singlechip, digital analog converter and wireless transceiver, and built-in shock transducer and gradient sensor on angle friction degree measurement board (5), shock transducer and gradient sensor pass through the wire with digital analog converter electric link, the singlechip with digital analog converter and wireless transceiver.
5. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 4, is characterized in that: the adjusting disk subassembly includes top toothed disc (27), end gear ring (32) and laser measuring head (31), support bull stick (33) and install a toothed disc (27) through the bearing, the bottom of top toothed disc (27) is followed top toothed disc (27) ring portion is equipped with end gear ring (32), the top mid-mounting of top toothed disc (27) has laser measuring head (31), the rotation driving subassembly with end gear ring (32) intermeshing.
6. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 5, is characterized in that: the rotary driving assembly comprises a rotary driving motor (34), an adjusting gear disc (35) and a second rotating shaft (39), the middle of the outer side of the supporting rotating rod (33) is provided with the rotary driving motor (34), the output end of the rotary driving motor (34) is provided with the second rotating shaft (39), the other end of the second rotating shaft (39) is provided with the adjusting gear disc (35), and the adjusting gear disc (35) and the bottom gear ring (32) are meshed with each other.
7. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 6, wherein: the clamping plate component comprises a fixing ring (30), a clamping disk (17), a first limiting side strip notch (29), an adjusting clamping block (18), a circular through hole (36), a measuring strip (28) and a fixing ring groove (37), wherein the bottom of the fixing ring (30) is provided with the fixing ring groove (37), the fixing rod (19) is inserted into the fixing ring groove (37) and is fixed with the inner top of the fixing ring (30), the clamping disk (17) is installed at the top of the fixing ring (30), the top of the clamping disk (17) is provided with a first limiting side strip notch (29) along the ring part of the clamping disk (17), the inner side of the first limiting side strip notch (29) is inserted with the adjusting clamping block (18) which can slide in the inner side of the first limiting side strip notch (29), and the bottom of the adjusting clamping block (18) is meshed with the top toothed wheel disk (27), the top of centre gripping dish (17) is followed centre gripping dish (17) ring portion is equipped with measures strip (28), circular opening (36) have been seted up at centre gripping dish (17) top middle part, laser measuring head (31) pass through the wire with digital analog converter connection of electric lines.
8. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 7, wherein: striking board subassembly includes striking hammer (13), striking board (12) and pressure sensor, striking board (12) are installed the one end of spacing slide bar (11), the outside of striking board (12) is equidistant to be equipped with striking hammer (13), pressure sensor is installed to the other end of striking hammer (13), just pressure sensor with digital analog converter electric connection.
9. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 8, wherein: the adjusting driving assembly comprises an adjusting motor (20) and an adjusting rotary table (14), the adjusting motor (20) is installed at the middle end of the bottom of the side middle fixing plate (10), the output end of the adjusting motor (20) penetrates through the second limiting strip-shaped notch (40) to be installed with the adjusting rotary table (14), and a linkage adjusting rod assembly is arranged between the adjusting rotary table (14) and the limiting sliding rod (11).
10. The wireless measurement device for straightness errors of shaft parts based on machine vision according to claim 9, wherein: the linkage adjusting rod assembly comprises a limiting rotating rod (22) and a hinge rod (21), the other end of the limiting sliding rod (11) penetrates through the limiting rotating rod (22), the limiting rotating rod (22) further penetrates through a second limiting strip-shaped notch (40), the limiting rotating rod (22) is meshed with the limiting sliding rod (11), the outer side of the limiting rotating rod (22) is hinged to the hinge rod (21) through a bearing, and the other end of the hinge rod (21) is hinged to the top edge portion of the adjusting turntable (14).
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