CN110793447A - Vehicle overall dimension measuring device and method - Google Patents
Vehicle overall dimension measuring device and method Download PDFInfo
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- CN110793447A CN110793447A CN201911271836.4A CN201911271836A CN110793447A CN 110793447 A CN110793447 A CN 110793447A CN 201911271836 A CN201911271836 A CN 201911271836A CN 110793447 A CN110793447 A CN 110793447A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010330 laser marking Methods 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 51
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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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
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
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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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The vehicle outline dimension measuring device is characterized by comprising a marking measuring assembly with a laser marking projecting function, a projection scale plate assembly which is relatively applied to the marking measuring assembly to project a laser marking, and a centering adjusting assembly which is used for adjusting the horizontal direction of the marking measuring assembly, wherein the laser marking measuring assembly and the projection scale plate assembly are respectively arranged on the front side and the rear side of a vehicle, the centering adjusting assembly is arranged on the marking measuring assembly to drive the marking measuring assembly to move and center the central axis of the vehicle, and the marking measuring assembly projects the laser marking to the vehicle outline edge and forms corresponding projection on the projection scale plate assembly. According to the invention, the marking line measuring assembly is actively aligned with the central axis of the vehicle through the direction adjustment, so that the alignment accuracy is higher, the alignment operation is more convenient and simpler, the time consumption is short, the alignment is easy to realize, the measurement accuracy of the overall dimension of the vehicle can be effectively ensured, and the measurement reliability, accuracy and efficiency are improved. The invention further provides a vehicle outline dimension measuring method.
Description
Technical Field
The invention relates to a vehicle overall dimension measuring device and method, and belongs to the technical field of vehicle dimension measurement.
Background
In order to realize automatic monitoring of vehicle dimension measurement, there are some automatic measurement methods and devices in recent years, and at present, it is found out from the existing vehicle detection methods and devices and related patent data, and the current measurement devices for vehicle dimension detection mainly include laser scanners, laser radars, imaging devices, light curtain sensor arrays, and the like. The laser scanner adopting the laser triangulation method measurement principle has great advantages in the application of acquiring complex curved surface data because the laser scanner can directly acquire three-dimensional space data of a measured target and acquire image information, but has the following disadvantages:
1. the measuring device cannot be centered with the vehicle, the width of the vehicle is measured, the vehicle is not accurately grasped, and the measuring accuracy is difficult to control;
2. the error exists when the edge and the corner of the object are inaccurate, and the error is larger when the object meets non-right angles and non-straight edges;
3. the equipment purchasing and maintenance cost is high, and the measuring time is long.
The relevant prior patent documents detected are:
CN201410179164.5, a self-calibration measurement algorithm of an automatic measurement system for vehicle profile and wheel base;
CN201310134900.0, an on-line size measuring method and device for automobile aluminum alloy hub finished products;
CN201410534147.9, a laser scanning measuring and positioning method for a carriage;
CN201620182579.2, a movable laser scanning vehicle outer contour dimension measuring device.
Disclosure of Invention
According to the vehicle overall dimension measuring device and method provided by the invention, the marking line measuring assembly is actively aligned with the central axis of the vehicle through azimuth adjustment, the alignment accuracy is higher, the alignment operation is more convenient and simpler, the time consumption is short, the realization is easy, the measurement accuracy of the vehicle overall dimension can be effectively ensured, and the measurement reliability, accuracy and efficiency are improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the vehicle outline dimension measuring device is characterized by comprising a marking measuring assembly with a laser marking projecting function, a projection scale plate assembly which is relatively applied to the marking measuring assembly to project a laser marking, and a centering adjusting assembly which is used for adjusting the horizontal direction of the marking measuring assembly, wherein the laser marking measuring assembly and the projection scale plate assembly are respectively arranged on the front side and the rear side of a vehicle, the centering adjusting assembly is arranged on the marking measuring assembly to drive the marking measuring assembly to move and center the central axis of the vehicle, and the marking measuring assembly projects the laser marking to the vehicle outline edge and forms corresponding projection on the projection scale plate assembly.
Preferably, the marking measuring component comprises a horizontally arranged bottom frame, a marking measuring frame which is horizontally arranged on the bottom frame in a rotating mode, a Z-axis marking measuring group which can adjust the marking position along the height direction of the vehicle and a Y-axis marking measuring group which can adjust the marking position along the width direction of the vehicle, the marking measuring frame is vertically arranged, the centering adjusting component is arranged at the bottom of the marking measuring frame and can drive the marking measuring frame to horizontally rotate and center the central axis of the vehicle, and the Z-axis marking measuring group and the Y-axis marking measuring group are respectively arranged on the marking measuring frame.
Preferably, the Z-axis reticle measuring group and the Y-axis reticle measuring group respectively comprise a synchronous belt arranged on the reticle measuring rack and a laser reticle instrument which is arranged on the synchronous belt and can move linearly along with the movement of the synchronous belt, the synchronous belt of the Z-axis reticle measuring group is arranged on the reticle measuring rack along the height direction of the vehicle, the synchronous belt of the Y-axis reticle measuring group is arranged on the reticle measuring rack along the width of the vehicle, the number of the Y-axis reticle measuring groups is two, and the two Y-axis reticle measuring groups are arranged side by side on the reticle measuring rack.
Preferably, the reticle measuring rack is the frame construction that the aluminium alloy welding formed, the centering laser striping machine that can throw the laser marking to vehicle axis is equipped with to the bottom intermediate position of reticle measuring rack, and the adjustment of vehicle width direction can be followed to the centering laser striping machine in the position of reticle measuring rack bottom, the intermediate position and the chassis rotatable coupling of reticle measuring rack bottom, centering adjusting part dress just with chassis rotatable coupling in reticle measuring rack bottom, centering adjusting part moves and drives reticle measuring rack horizontal rotation on the chassis, the laser marking that makes centering laser striping machine throw is centered with vehicle axis.
Preferably, the centering adjustment assembly comprises a guide rail bedplate which is rotatably arranged on the underframe, a slide block which is arranged on the guide rail bedplate in a guiding fit manner and is connected with the bottom of the reticle measuring frame, a screw rod hand wheel rough adjustment piece for roughly adjusting the rotation angle of the reticle measuring frame and a first differential knob fine adjustment piece for finely adjusting the rotation angle of the reticle measuring frame, the slide block comprises a lower slide plate which is arranged on the guide rail bedplate in a guiding fit manner and an upper slide plate which is arranged on the lower slide plate in a guiding fit manner, the upper slide plate is connected with the bottom of the reticle measuring frame, the screw rod hand wheel rough adjustment piece is in spiral fit with the lower slide plate to push the lower slide plate to slide on the guide rail bedplate so as to drive the reticle measuring frame to horizontally rotate, the differential knob fine adjustment piece is connected with the lower slide plate and the upper slide plate and is in spiral fit with the upper slide plate to push the upper slide plate to slide on the, the first fine adjustment piece of the differential knob is provided with a knob, and the sliding displacement of the lower sliding plate on the guide rail bedplate driven by one circle of rotation of the hand wheel is 5-10 times of the sliding displacement of the upper sliding plate on the lower sliding plate driven by one circle of rotation of the knob.
Preferably, the projection scale plate assembly comprises a width scale line projection group for projecting the laser scale line projected by the Y-axis scale line measurement group and a height scale line projection group for projecting the laser scale line projected by the Z-axis scale line measurement group, the two width scale line projection groups are arranged in front of the height scale line projection group side by side, and the width scale line projection group and the height scale line projection group are assembled by a mounting frame with rollers at the bottom and a projection scale display screen arranged on the mounting frame; the projection scale display screen for have the digital display screen of size scale mark, be equipped with the monitor on the mounting bracket, the monitor is connected with projection scale display screen signal transmission and can be connected with external equipment signal transmission, vertical upper and lower regulation can be followed to the mounted position of projection scale display screen on the mounting bracket.
Preferably, the device also comprises an activity measuring group, the activity measuring group is arranged on the side of the vehicle along the length direction of the vehicle, the number of the activity measuring group is at least two, the activity measuring group comprises a vertical mounting rack arranged vertically, a measuring installation group, an activity group marking instrument and a distance measuring instrument are arranged on the vertical mounting rack in a guiding matching way, the activity group marking instrument and the distance measuring instrument are respectively arranged on the measuring installation group, a vertical guide bar matched with the measuring installation group in a guiding way is arranged on the vertical mounting rack, the measuring installation group is clamped on the vertical guide bar through damping force and can move along the vertical guide bar under the pushing of external force, the measuring installation group comprises an inner mounting plate and an outer mounting plate, the inner mounting plate and the outer mounting plate are connected through a differential knob fine adjustment piece II capable of finely adjusting the vertical position of the outer mounting plate, the fine adjustment piece II can drive the outer mounting plate to vertically move relative to the inner mounting plate by rotating the differential knob.
Preferably, the chassis height measuring device further comprises a chassis height measuring group for measuring the height of the chassis of the vehicle, the chassis height measuring group is arranged on the side edge of the vehicle, the chassis height measuring group comprises a chassis height marking measuring frame vertically arranged and a chassis height marking instrument which is installed on the chassis height marking measuring frame in a guiding and matching mode, the chassis height marking instrument is clamped on the chassis height marking measuring frame through damping force, and the chassis height marking instrument can move along the chassis height marking measuring frame under the pushing of external force.
The vehicle external dimension measuring method adopts the vehicle external dimension measuring device to measure the vehicle external dimension, and comprises the following measuring steps:
firstly, arranging the vehicle overall dimension measuring device on the outer side of a vehicle, and hanging a vertical plumb line at the central axis position of the vehicle;
then, the centering adjustment assembly is used for driving the marking line measurement assembly to move, the horizontal position of the centering laser marking line projected by the marking line measurement assembly is adjusted, the centering laser marking line is centered with the vertical plumb line, corresponding centering projection is formed on the projection scale plate assembly, and centering of the marking line measurement assembly and the central axis of the vehicle is achieved;
and then, projecting laser graticules to the width edge and the height edge of the vehicle through the graticule measuring assembly, forming corresponding projection lines on the projection scale plate assembly, and obtaining the height and width dimensions of the vehicle according to the scale reading of the formed projection lines on the projection scale plate assembly.
Preferably, the method for testing the outer dimension of the vehicle in the length direction comprises the following steps: the number of the movable measuring groups is determined according to the length of the vehicle, the movable measuring groups are arranged on the side of the vehicle along the length direction of the vehicle, and the movable measuring groups measure the overall dimension of the vehicle in the length direction in a laser scanning distance measurement mode.
The invention has the beneficial effects that:
1. the vehicle outline dimension measuring device comprises a marking line measuring component, a projection scale plate component and a centering adjusting component, wherein the marking line measuring component is used for indicating the outline edge of a vehicle by projecting a laser marking line, the projection scale plate component is used for correspondingly projecting the laser marking line, a scale mark is arranged in a projection area to conveniently acquire dimension data, and the centering adjusting component is used for driving the marking line measuring component to move, so that the marking line measuring component can be quickly centered with the central axis of the vehicle.
2. Centering adjusting part can carry out coarse adjustment and fine adjustment to marking measuring part's turned angle and centering laser marking appearance among marking measuring part can be followed vehicle width direction adjustment in the position of marking measuring frame bottom, ensure that marking measuring part can carry out quick accurate centering with the vehicle axis, make marking measuring frame parallel with the front side or the trailing flank of vehicle, thereby guarantee that the projected interval of two vehicle width edges that form on projection scale plate subassembly equals the width of vehicle promptly, improve vehicle width size's measurement precision, through the mode of initiative centering, make marking measuring frame's horizontal position initiative adjustment to the position of parking of vehicle, improve measuring reliability and accuracy. The centering accuracy and reliability are higher, and an effective centering reference is provided for accurate measurement of the size.
3. The projection scale plate component corresponds to the reticle measuring component, projects the laser reticle, sets corresponding scales in the projection scale plate component, and the laser reticle can be marked through the scales after being projected to quickly obtain size data, and the monitor which can be connected with external equipment is arranged in the projection scale plate component, so that the external equipment can check the projection measuring process, and remote measurement reading is realized.
4. The movable measuring group is used for measuring various sizes of the length direction of the vehicle, the movable measuring group is combined according to the length of the vehicle, the measuring height of the movable measuring group can be roughly adjusted and finely adjusted, the wheelbase, the wheel base and the length of the vehicle in the length direction of the vehicle can be effectively and quickly measured, and the measuring efficiency is high and the accuracy is good.
Drawings
Fig. 1 is a schematic view of a vehicle dimension measuring apparatus according to an embodiment.
FIG. 2 is a schematic diagram of the reticle measurement assembly.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is an enlarged schematic view of fig. 2 at B.
FIG. 5 is a schematic diagram of a width reticle projection set.
FIG. 6 is a schematic diagram of a knot in an activity measurement set.
Fig. 7 is an enlarged schematic view at C in fig. 6.
Fig. 8 is a schematic structural diagram of the chassis height measuring set.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to fig. 1 to 8.
The vehicle overall dimension measuring device is characterized by comprising a reticle measuring assembly 1 with a laser reticle projecting function, a projection scale plate assembly 2 which is used for projecting a laser reticle relatively to the reticle measuring assembly 1, and a centering adjusting assembly 3 which is used for adjusting the horizontal direction of the reticle measuring assembly 1, wherein the laser reticle measuring assembly 1 and the projection scale plate assembly 2 are respectively arranged on the front side and the rear side of a vehicle, the centering adjusting assembly 3 is arranged on the reticle measuring assembly 1 and drives the reticle measuring assembly 1 to move and center the central axis of the vehicle, and the reticle measuring assembly 2 projects the laser reticle to the vehicle overall edge and forms corresponding projection on the projection scale plate assembly 2.
Above vehicle overall dimension measuring device include marking measuring component 1, projection scale plate subassembly 2 and centering adjusting part 3, marking measuring component 1 comes to carry out the indicator gauge to the overall edge of vehicle through throwing the laser marking, projection scale plate subassembly 2 carries out corresponding projection to the laser marking, and set up the scale mark in the projection area with convenient acquireing dimensional data, drive marking measuring component 1 through centering adjusting part 3 and move, thereby make marking measuring component 1 can be quick with vehicle axis centering, marking measuring component 1 passes through position adjustment initiative and vehicle axis centering, the accuracy of centering is higher, centering operation is convenient simple more, short in time, and easily realize, can effectively guarantee the accurate nature of measurement of vehicle width direction size.
The marking measuring assembly 1 comprises a horizontally arranged bottom frame 11, a marking measuring frame 12 which can be horizontally rotated and arranged on the bottom frame 11, a Z-axis marking measuring group 13 which can adjust the marking position along the height direction of the vehicle and a Y-axis marking measuring group 14 which can adjust the marking position along the width direction of the vehicle, wherein the marking measuring frame 12 is vertically arranged, the centering and adjusting assembly 3 is arranged at the bottom of the marking measuring frame 12 and can drive the marking measuring frame 12 to horizontally rotate and be centered with the central axis of the vehicle, and the Z-axis marking measuring group 13 and the Y-axis marking measuring group 14 are respectively arranged on the marking measuring frame 12. The marking position of the Z-axis marking measurement group 13 is adjusted to project laser markings on the height edges of vehicles with different heights, corresponding projection lines are formed on the projection scale plate assembly 2, and indicator gauges for the height edges of the vehicles with different heights are achieved, so that the height measurement of the vehicles with different heights is achieved. The marking position of the Y-axis marking measuring assembly 14 is adjusted to project laser markings on the width edges of vehicles with different widths, corresponding projection lines are formed on the projection scale plate assembly 2, and the indicating indicators of the width edges of the vehicles with different widths are realized, so that the width measurement of the vehicles with different widths is realized.
Wherein, the said Z-axis marked line measuring group 13 and Y-axis marked line measuring group 14 include hold-in range 15 mounted on marked line measuring shelf 12 and install on hold-in range 15 and can move the laser marking instrument 16 of the straight line with the movement of the hold-in range, the hold-in range 15 of the Z-axis marked line measuring group 13 is mounted on marked line measuring shelf 12 along the vehicle height direction, the hold-in range 15 of the Y-axis marked line measuring group 14 is mounted on marked line measuring shelf 12 along the vehicle width, and the quantity of Y-axis marked line measuring group 14 is two, set up side by side in the marked line measuring shelf 12. The synchronous belt 15 drives the laser line marking instrument 16 to move, the position of the laser line marking instrument 16 is changed, and the linear motion direction of the laser line marking instrument 16 is accurate, reliable and easy to realize.
Wherein, reticle measuring rack 12 is the frame construction that the aluminium alloy welding formed, the bottom intermediate position of reticle measuring rack 12 is equipped with can be to vehicle axis throw the centering laser graticule instrument 17 of laser graticule, and centering laser graticule instrument 16 can be followed vehicle width direction adjustment in the position of reticle measuring rack 12 bottom, the intermediate position and the chassis 11 rotatable coupling of reticle measuring rack 12 bottom, centering adjusting part 3 dress is in reticle measuring rack 12 bottom and with chassis 11 rotatable coupling, centering adjusting part 3 moves and drives reticle measuring rack 12 and rotate on chassis 11 level, make the laser graticule instrument 17 of throwing of centering and vehicle axis centering. The alignment laser striping machine 16 projects laser striping lines to the central axis of the vehicle, the position of the alignment laser striping machine 16 at the bottom of the striping measuring rack 12 can be adjusted along the width direction of the vehicle, in the alignment process, the position of the alignment laser striping machine 16 is moved, the projection range of the alignment laser striping machine 16 is enabled to be consistent with the position of the central axis of the vehicle, the laser striping lines projected by the alignment laser striping machine 16 can be effectively projected onto the central axis of the vehicle, the striping measuring rack 12 is driven to rotate by the alignment adjusting component 3, the horizontal position of the striping measuring rack 12 is changed, the laser striping lines projected by the alignment laser striping machine 16 are enabled to be exactly aligned with the central axis of the vehicle, so that the striping measuring rack 12 is enabled to be parallel to the front side or the back side of the vehicle, thereby ensuring that the distance projected by two vehicle width edges formed by the two laser strip, the measurement accuracy of the width dimension of the vehicle is improved, the horizontal direction of the marking measurement frame 12 is actively adjusted to the parking direction of the vehicle in an active centering mode, and the measurement reliability and accuracy are improved.
Wherein, the centering adjustment assembly 3 comprises a guide rail bedplate 31 which is rotatably arranged on the underframe 11, a slide block 32 which is arranged on the guide rail bedplate 31 in a guiding fit and is connected with the bottom of the reticle measuring frame 12, a screw rod hand wheel rough adjustment piece 33 which is used for roughly adjusting the rotation angle of the reticle measuring frame 12 and a differential knob fine adjustment piece 34 which is used for finely adjusting the rotation angle of the reticle measuring frame 12, the slide block 32 comprises a lower slide plate 32.1 which is arranged on the guide rail bedplate 31 in a guiding fit and an upper slide plate 32.2 which is arranged on the lower slide plate 32.1 in a guiding fit, the upper slide plate 32.2 is connected with the bottom of the reticle measuring frame 12, the screw rod hand wheel rough adjustment piece 33 is spirally matched with the lower slide plate 32.1 to push the lower slide plate 32.1 to slide on the guide rail bedplate 31 so as to drive the reticle measuring frame 12 to horizontally rotate, the differential knob fine adjustment piece 34 is connected with the lower slide plate 32.1 and the upper slide plate 32.2 and is spirally matched with the upper slide plate 32, so as to drive the reticle measuring rack 12 to horizontally rotate, the lead screw hand wheel rough adjusting piece 33 is provided with a hand wheel 33.1, the differential knob fine adjusting piece one 34 is provided with a knob 34.1, and the sliding displacement of the lower sliding plate 32.1 driven by the hand wheel 33.1 rotating one circle on the guide rail bedplate 31 is 5-10 times of the sliding displacement of the upper sliding plate 32.2 driven by the hand wheel 34.1 rotating one circle on the lower sliding plate 32.1. The lead screw hand wheel rough adjusting piece 33 roughly adjusts the rotation angle of the reticle measuring frame 12, and the differential knob fine adjusting piece 34 finely adjusts the rotation angle of the reticle measuring frame 12, wherein the lead screw hand wheel rough adjusting piece 33 is in threaded fit with the lower sliding plate 32.1, the rotating hand wheel 33.1 drives the lower sliding plate 32.1 to slide on the guide rail bedplate 31, so that the upper sliding plate 32.2 and the lower sliding plate 32.1 move together to drive the reticle measuring frame 12 to rotate around the position where the reticle measuring frame is hinged with the underframe 11, so as to realize the rough adjustment of the horizontal direction of the reticle measuring frame 12, the differential knob fine adjusting piece 34 is in threaded fit with the upper sliding plate 32.2, the rotating knob 34.1 drives the upper sliding plate 32.2 to slide on the upper sliding plate 32.1, so as to drive the reticle measuring frame 12 to rotate around the position where the reticle measuring frame is hinged with the underframe 11 again, so as to. Centering adjusting part 3's structural design, the rotation angle coarse and fine tuning of reticle measuring rack 12 has been realized, it is convenient simple to adjust, easily realize, centering adjusting part 3 can carry out coarse tuning and fine tuning and the centering laser striping machine in the reticle measuring component can be followed vehicle width direction adjustment in the position of reticle measuring rack bottom to reticle measuring rack's rotation angle, ensure that reticle measuring component can carry out quick accurate centering with the vehicle axis, can be with reticle measuring rack 12 quick adjustment to the position parallel with vehicle front side or rear side, the accuracy of centering, reliability and efficiency are higher, provide effectual centering benchmark for the accurate measurement of size.
The projection scale plate component 2 comprises a width scale line projection group 21 for projecting the laser scale line projected by the Y-axis scale line measurement group 14 and a height scale line projection group 22 for projecting the laser scale line projected by the Z-axis scale line measurement group 13, the number of the width scale line projection groups 21 is two, the two width scale line projection groups are arranged in front of the height scale line projection group 22 side by side, and the width scale line projection group 21 and the height scale line projection group 22 are assembled by a mounting frame 23 with rollers at the bottom and a projection scale display screen 24 arranged on the mounting frame 23; projection scale display screen 24 be the digital display screen that has the size scale mark, be equipped with monitor 25 on the mounting bracket 23, monitor 25 and 24 signal transmission connections of projection scale display screen and can be connected with external equipment signal transmission, vertical regulation from top to bottom can be followed to the mounted position of projection scale display screen 24 on mounting bracket 23. The width reticle projection group 21 corresponds to the Y-axis reticle measurement group 14, the number of the width reticle projection group is two, the width reticle projection group is used for projecting laser reticles on the width edges of two vehicles to form corresponding projection lines, the distance between the two projection lines is the width of the vehicle, the height reticle projection group 22 corresponds to the Z-axis reticle measurement group 13 and is used for projecting the laser reticles on the height edges of the vehicles to form corresponding projection lines, and the height of the projection lines is the height of the vehicles; and because the installation position of the projection scale display screen 24 on the installation frame 23 can be vertically adjusted up and down, when the reticle measuring frame 12 is aligned with the central axis of the vehicle, the position of the projection scale display screen 24 in the height reticle projection group 22 is adjusted down, so that the laser reticle projected by the alignment laser reticle instrument 17 can be projected onto the projection scale display screen 24 to form a projection line corresponding to the central axis of the vehicle, thereby realizing the alignment operation. And set up the monitor that can be connected with external equipment in the projection scale plate subassembly, external equipment can look over projection measurement process, realizes the remote measurement reading.
Wherein, still include activity measurement group 4, activity measurement group 4 arranges the vehicle side along vehicle length direction, the quantity is at least two, activity measurement group 4 include along vertical mounting bracket 41 of vertical setting, the cooperation of direction dress is at measurement installation group 42, activity group striping appearance 43 and distancer 44 on vertical mounting bracket 41, activity group striping appearance 43 and distancer 44 are adorned respectively on measurement installation group 42, vertical mounting bracket 41 is last to have with measurement installation group 42 direction complex vertical conducting bar 41.1, measurement installation group 42 presss from both sides tightly on vertical conducting bar 41.1 through the damping force, and can follow vertical conducting bar 41.1 and remove under the promotion of external force, measurement installation group 42 includes with vertical conducting bar 41.1 direction cooperation and press from both sides tight interior mounting panel 42.1 on vertical conducting bar 41.1 and through the damping force and install the exterior mounting panel 42.2 on interior mounting panel 42.1, interior mounting panel 42.1 and exterior mounting panel 42.2 are connected through the differential fine tuning piece two 42.3.3 that can carry out the fine tuning to the vertical position of exterior mounting panel 42.2, turning the second differential knob fine adjustment member 42.3 causes the outer mounting plate 42.2 to move vertically relative to the inner mounting plate 42.1.
The movable measuring group 4 is used for measuring various sizes of the length direction of the vehicle, the movable measuring group 4 is combined according to the length of the vehicle, the longer the length of the vehicle is, the number of the used movable measuring groups is correspondingly increased so as to meet the distance measuring requirement, the measuring height of the movable measuring group can be roughly adjusted and finely adjusted, the wheelbase and the length of the vehicle in the length direction of the vehicle can be effectively and quickly measured, and the measuring efficiency is high and the accuracy is good. The movable group line marking instrument 43 carries out laser line marking on the edge of the vehicle in the length direction, the distance measuring instrument 44 carries out scanning distance measurement on the adjacent laser line marking, and the scanning distance measurement data are added to obtain the required overall dimension in the length direction. The movable measuring group 4 is pushed up or down in a manual mode, so that the inner mounting plate 42.1 overcomes the damping clamping force between the inner mounting plate and the vertical guide bar 41.1, the height of the movable group line marking instrument 43 and the height measuring instrument 44 is roughly adjusted by ascending or descending, the outer mounting plate 42.2 is driven to ascend and descend by the differential knob fine adjustment piece II 42.3, the height of the movable group line marking instrument 43 and the height measuring instrument 44 is finely adjusted, and laser scanning is conveniently carried out on the outline edges of different heights in the length direction of the vehicle.
The chassis height measuring set 5 comprises a chassis height marking measuring frame 51 vertically arranged and a chassis height marking instrument 52 which is installed on the chassis height marking measuring frame 51 in a guiding matching mode, the chassis height marking instrument 52 is clamped on the chassis height marking measuring frame 51 through damping force, the chassis height marking instrument 51 can move along the chassis height marking measuring frame 51 under the pushing of external force, and the position of the chassis height marking instrument 52 on the height marking measuring frame 51 is adjusted. Chassis height graticule appearance 52 is used for measuring vehicle chassis height, and it arranges in the vehicle front side or is suitable for vehicle chassis edge to throw other sides of laser marking, simultaneously through forming the projection line corresponding with chassis edge at projection scale plate subassembly 2, realizes the measurement to vehicle chassis height, and chassis height graticule appearance 52 presss from both sides tightly on chassis height graticule measuring frame 51 through damping force, can go up and down on chassis height graticule measuring frame 51 under the effect of external force, changes the height position to adapt to the measurement of different chassis heights.
The invention also provides a vehicle overall dimension measuring method, which adopts the vehicle overall dimension measuring device to measure the vehicle overall dimension, and comprises the following measuring steps:
firstly, arranging the vehicle overall dimension measuring device on the outer side of a vehicle, and hanging a vertical plumb line at the central axis position of the vehicle;
then, the centering adjustment assembly 3 is used for driving the marking line measurement assembly 1 to move, the horizontal position of a centering laser marking line projected by the marking line measurement assembly 1 is adjusted, the centering laser marking line is centered with a vertical plumb line, a corresponding centering projection is formed on the projection scale plate assembly 2, and centering of the marking line measurement assembly 1 and the central axis of the vehicle is achieved;
and then, projecting laser graticules to the width edge and the height edge of the vehicle through the graticule measuring assembly 1, forming corresponding projection lines on the projection scale plate assembly 2, and obtaining the height and width dimensions of the vehicle according to the scale reading of the formed projection lines on the projection scale plate assembly 2.
The method for testing the overall dimension of the vehicle in the length direction comprises the following steps: the number of the movable measuring groups 4 is determined according to the length of the vehicle, the movable measuring groups 4 are arranged on the side of the vehicle along the length direction of the vehicle, and the movable measuring groups 4 measure the overall dimension of the vehicle in the length direction in a laser scanning distance measuring mode.
The vehicle outline dimension measuring method marking measuring component carries out the indicator through projecting the laser marking to the outline edge of vehicle, the projection scale plate subassembly carries out corresponding projection to the laser marking, and set up scale mark in the projection region with convenient acquisition dimensional data, drive marking measuring component motion through centering adjusting part, thereby make marking measuring component can be quick with vehicle axis centering, marking measuring component passes through position adjustment initiative and vehicle axis centering, the accuracy of centering is higher, centering operation is convenient and simple more, short time, and easy to realize, can effectively guarantee the measurement accuracy of vehicle width direction size.
The technical solutions of the embodiments of the present invention are fully described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Claims (10)
1. Vehicle overall dimension measuring device, its characterized in that including reticle measuring component (1) that has the function of throwing laser marking, with reticle measuring component (1) relative application carry out projected projection scale plate subassembly (2) and carry out centering adjusting part (3) of horizontal position adjustment to reticle measuring component (1) to the laser marking, laser marking measuring component (1) and projection scale plate subassembly (2) arrange respectively in both sides around the vehicle, centering adjusting part (3) dress is on reticle measuring component (1), drives reticle measuring component (1) motion and vehicle axis centering, reticle measuring component (2) throw the laser marking to vehicle overall dimension edge to form corresponding projection at projection scale plate subassembly (2).
2. The vehicle contour dimension measuring device according to claim 1, characterized in that the reticle measuring assembly (1) comprises a horizontally arranged bottom frame (11), a reticle measuring rack (12) horizontally rotatably mounted on the bottom frame (11), a Z-axis reticle measuring set (13) capable of adjusting the position of the reticle along the height direction of the vehicle, and a Y-axis reticle measuring set (14) capable of adjusting the position of the reticle along the width direction of the vehicle, wherein the reticle measuring rack (12) is vertically arranged, the centering adjusting assembly (3) is mounted at the bottom of the reticle measuring rack (12) and can drive the reticle measuring rack (12) to horizontally rotate and center the central axis of the vehicle, and the Z-axis reticle measuring set (13) and the Y-axis reticle measuring set (14) are respectively mounted on the reticle measuring rack (12).
3. The vehicle dimension measuring apparatus according to claim 2, wherein the Z-axis reticle measuring group (13) and the Y-axis reticle measuring group (14) each comprise a timing belt (15) mounted on the reticle measuring frame (12) and a laser reticle (16) mounted on the timing belt (15) to be linearly movable in accordance with the movement of the timing belt, the timing belt (15) of the Z-axis reticle measuring group (13) is mounted on the reticle measuring frame (12) in the height direction of the vehicle, the timing belt (15) of the Y-axis reticle measuring group (14) is mounted on the reticle measuring frame (12) in the width direction of the vehicle, and the number of the Y-axis reticle measuring groups (14) is two, and the reticle measuring frames (12) are arranged side by side.
4. The vehicle overall dimension measuring device according to claim 2, characterized in that the reticle measuring rack (12) is a frame structure formed by welding aluminum profiles, a centering laser reticle instrument (17) capable of projecting laser reticles to the central axis of the vehicle is installed at the middle position of the bottom of the reticle measuring rack (12), the position of the centering laser reticle instrument (17) at the bottom of the reticle measuring rack (12) can be adjusted along the width direction of the vehicle, the middle position of the bottom of the reticle measuring rack (12) is rotatably connected with the underframe (11), the centering adjusting assembly (3) is installed at the bottom of the reticle measuring rack (12) and is rotatably connected with the underframe (11), and the centering adjusting assembly (3) moves to drive the reticle measuring rack (12) to horizontally rotate on the underframe (11) so that the laser reticles projected by the centering laser reticle instrument (17) are centered with the central axis of the vehicle.
5. The vehicle dimension measuring device according to claim 4, wherein the centering adjustment assembly (3) comprises a guide rail platen (31) rotatably mounted on the chassis (11), a slide block (32) which is arranged on the guide rail platen (31) in a guiding fit manner and connected with the bottom of the reticle measuring frame (12), a lead screw hand wheel rough adjustment member (33) for roughly adjusting the rotation angle of the reticle measuring frame (12), and a differential knob fine adjustment member I (34) for finely adjusting the rotation angle of the reticle measuring frame (12), the slide block (32) comprises a lower slide plate (32.1) which is arranged on the guide rail platen (31) in a guiding fit manner and an upper slide plate (32.2) which is arranged on the lower slide plate (32.1) in a guiding fit manner, the upper slide plate (32.2) is connected with the bottom of the reticle measuring frame (12), the lead screw hand wheel rough adjustment member (33) is spirally matched with the lower slide plate (32.1) to push the lower slide plate (32.1) to slide on the guide rail platen (31), the marking line measuring rack (12) is driven to rotate horizontally, the first differential knob fine adjustment piece (34) is connected with the lower sliding plate (32.1) and the upper sliding plate (32.2) and is in spiral fit with the upper sliding plate (32.2) to push the upper sliding plate (32.2) to slide on the lower sliding plate (32.1) so as to drive the marking line measuring rack (12) to rotate horizontally, the first lead screw and hand wheel coarse adjustment piece (33) is provided with a hand wheel (33.1), the first differential knob fine adjustment piece (34) is provided with a knob (34.1), and the hand wheel (33.1) rotates for one circle to drive the sliding displacement of the lower sliding plate (32.1) on the guide rail bedplate (31) to be 5-10 times of the sliding displacement of the upper sliding plate (32.2) on the lower sliding plate (32.1) driven by the knob (34.1.
6. The vehicle overall dimension measuring device according to claim 3, characterized in that the projection scale plate assembly (2) comprises a width scale line projection group (21) for projecting the laser scale line projected by the Y-axis scale line measuring group (14) and a height scale line projection group (22) for projecting the laser scale line projected by the Z-axis scale line measuring group (13), the number of the width scale line projection groups (21) is two, and the two width scale line projection groups are arranged in front of the height scale line projection group (22) side by side, and the width scale line projection group (21) and the height scale line projection group (22) are assembled by a mounting frame (23) with rollers at the bottom and a projection scale display screen (24) arranged on the mounting frame (23); projection scale display screen (24) be the digital display screen that has the size scale mark, monitor (25) are equipped with on mounting bracket (23), monitor (25) and projection scale display screen (24) signal transmission are connected and can be connected with external equipment signal transmission, vertical regulation from top to bottom can be followed to projection scale display screen (24) mounted position on mounting bracket (23).
7. The vehicle overall dimension measuring device according to claim 1, characterized by further comprising an activity measuring group (4), wherein the activity measuring group (4) is arranged on the side of the vehicle along the length direction of the vehicle, the number of the activity measuring group is at least two, the activity measuring group (4) comprises a vertical mounting frame (41) arranged vertically, a measuring installation group (42), an activity group striping instrument (43) and a distance measuring instrument (44) are arranged on the vertical mounting frame (41) in a guiding fit mode, the activity group striping instrument (43) and the distance measuring instrument (44) are respectively arranged on the measuring installation group (42), a vertical guide bar (41.1) matched with the measuring installation group (42) in a guiding mode is arranged on the vertical guide bar (41.1) on the vertical mounting frame (41), the measuring installation group (42) is clamped on the vertical guide bar (41.1) through a damping force and can move along the vertical guide bar (41.1) under the pushing of an external force, and the measuring installation group (42) comprises a guide bar (41.1) matched with the guide bar in a guiding fit mode and is clamped on the vertical The inner mounting plate (42.1) and the outer mounting plate (42.2) are arranged on the inner mounting plate (42.1), the inner mounting plate (42.1) and the outer mounting plate (42.2) are connected through a second differential knob fine adjustment piece (42.3) which can perform fine adjustment on the vertical position of the outer mounting plate (42.2), and the second differential knob fine adjustment piece (42.3) is rotated to drive the outer mounting plate (42.2) to vertically move relative to the inner mounting plate (42.1).
8. The vehicle dimension measuring device according to claim 7, further comprising a chassis height measuring group (5) for measuring a chassis height of the vehicle, wherein the chassis height measuring group (5) is disposed on a side of the vehicle, the chassis height measuring group (5) comprises a chassis height marking measuring rack (51) arranged in a vertical direction and a chassis height marking gauge (52) which is installed on the chassis height marking measuring rack (51) in a guiding fit manner, the chassis height marking gauge (52) is clamped on the chassis height marking measuring rack (51) by a damping force, and can move along the chassis height marking measuring rack (51) under the pushing of an external force.
9. A vehicle dimension measuring method for measuring a vehicle dimension using the vehicle dimension measuring apparatus according to any one of claims 1 to 8, the measuring steps being as follows:
firstly, arranging the vehicle overall dimension measuring device on the outer side of a vehicle, and hanging a vertical plumb line at the central axis position of the vehicle;
then, the alignment adjusting component (3) is used for driving the marking measuring component (1) to move, the horizontal position of the alignment laser marking projected by the marking measuring component (1) is adjusted, the alignment laser marking is aligned with the vertical plumb line, corresponding alignment projection is formed on the projection scale plate component (2), and alignment of the marking measuring component (1) and the central axis of the vehicle is achieved;
and then, laser graticules are projected to the width edge and the height edge of the vehicle through the graticule measuring assembly (1), corresponding projection lines are formed on the projection scale plate assembly (2), and the height and width dimensions of the vehicle are obtained according to the scale reading of the formed projection lines on the projection scale plate assembly (2).
10. The vehicle dimension measuring method according to claim 9, characterized in that the vehicle length direction dimension testing method is: the number of the movable measuring groups (4) is determined according to the length of the vehicle, the movable measuring groups (4) are arranged on the side of the vehicle along the length direction of the vehicle, and the movable measuring groups (4) measure the overall dimension of the vehicle in the length direction in a laser scanning distance measuring mode.
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| CN112046129A (en) * | 2020-08-14 | 2020-12-08 | 九江运城制版有限公司 | High-precision machining device and method for gravure roller |
| CN113476011A (en) * | 2021-06-30 | 2021-10-08 | 温州医科大学 | Non-contact optical measurement chi for eyes |
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| CN114234841A (en) * | 2021-12-14 | 2022-03-25 | 石家庄华燕交通科技有限公司 | Manual inspection auxiliary device and method for measuring vehicle overall dimension |
| CN116255961A (en) * | 2023-05-09 | 2023-06-13 | 河海大学 | Water tank model topography measurement method and system based on laser projection image |
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