CN112361968B - Vehicle wheel center measuring device and measuring method - Google Patents
Vehicle wheel center measuring device and measuring method Download PDFInfo
- Publication number
- CN112361968B CN112361968B CN202011286035.8A CN202011286035A CN112361968B CN 112361968 B CN112361968 B CN 112361968B CN 202011286035 A CN202011286035 A CN 202011286035A CN 112361968 B CN112361968 B CN 112361968B
- Authority
- CN
- China
- Prior art keywords
- gear
- laser
- laser pen
- rack
- pen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 46
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 7
- 206010063659 Aversion Diseases 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 101000579647 Penaeus vannamei Penaeidin-2a Proteins 0.000 description 20
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- 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
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- 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
- G01B11/275—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The application relates to the technical field of vehicles, in particular to a vehicle wheel center measuring device and method. This vehicle wheel center measuring device includes: installation base, altitude mixture control structure with install in first laser pen, second laser pen, middle laser pen and the structure of shifting on the installation base, wherein, first laser pen the second laser pen with middle laser pen has the transmission direction perpendicular to respectively the first laser emission end of installation base, first laser pen with second laser pen symmetry set up in middle laser pen both sides, the structure of shifting is used for controlling first laser pen with second laser pen follows first laser pen with the central line of second laser pen is to opposite direction equidistance displacement, altitude mixture control structure is used for adjusting the height of installation base. The vehicle measuring device is simple in structure, simple, convenient and quick to measure and high in measuring precision.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a vehicle wheel center measuring device and a vehicle wheel center measuring method.
Background
For a vehicle type, after a whole vehicle coordinate system is defined, the coordinates of the vehicle body are fixed and unchangeable. In order to represent the states of the vehicle under different load conditions, the industry generally adopts the posture of the whole vehicle to describe the design relationship between the whole vehicle and the ground. Meanwhile, the overall posture of the vehicle can also influence the attractiveness of the vehicle. Therefore, the whole vehicle attitude is a very important parameter in the whole vehicle design verification process. Generally, the attitude of the whole vehicle is characterized by parameters such as a wheel center coordinate, a static radius and an attitude angle.
Currently, when measuring the wheel center of a vehicle, the wheel center position is generally obtained by scanning a reverse point cloud or a direct estimation method in the industry. However, the method for obtaining the wheel center position by scanning the reverse point cloud has the disadvantages of large engineering quantity, few application situations and the like, and the error is large although the engineering quantity is small when the wheel center position is directly estimated.
Therefore, it is of great significance to provide a device and a method for rapidly and accurately acquiring the wheel center position.
Disclosure of Invention
In view of this, the present application provides a vehicle wheel center measuring device and a measuring method thereof, so as to quickly and accurately obtain a wheel center position.
Specifically, the method comprises the following technical scheme:
in one aspect, the present application provides a vehicle wheel center measuring device, the device comprising: a mounting base, a height adjusting structure, a first laser pen, a second laser pen, a middle laser pen and a shifting structure which are arranged on the mounting base,
wherein, first laser pen second laser pen with middle laser pen has the transmission direction perpendicular to respectively install the first laser emission end of base, first laser pen with second laser pen symmetry set up in middle laser pen both sides, the shift structure is used for control first laser pen with second laser pen is followed first laser pen with the central line of second laser pen is to opposite direction equidistance displacement, the altitude mixture control structure is used for adjusting install the height of base.
Optionally, the shifting structure comprises a first rack, a second rack, a first gear, a second gear, an intermediate gear set and an adjusting handle, the intermediate gear set comprises a third gear, a fourth gear and a fifth gear,
the first side of the mounting base is provided with a slot along the length direction, the first rack, the second rack, the first gear, the second gear and the third gear are arranged in the slot,
the middle laser pen is connected to the first side of the installation base through a connecting piece, the middle laser pen and the third gear are overlapped at the center of the projection of the installation base, the first laser pen is connected with the first end of the first rack, the first end of the first rack is the end of the first rack far away from the third gear, the second laser pen is connected with the first end of the second rack, the first end of the second rack is the end of the second rack far away from the third gear,
the length directions of the first rack and the second rack are parallel to the length direction of the slot and can move along the length direction of the slot, the second side of the first rack is respectively meshed with the first side of the third gear and the first gear, the first side of the second rack is respectively meshed with the second side of the third gear and the second gear, the first gear is positioned between the first end of the first rack and the third gear, and the second gear is positioned between the first end of the second rack and the third gear,
the fourth gear, the fifth gear and the adjusting handle are mounted on the second side of the mounting base, the fourth gear is coaxial with the third gear, and the fifth gear is meshed with the fourth gear and the adjusting handle respectively.
Optionally, the device further comprises a height measuring structure, and the height measuring structure is used for measuring the height of a landing point of the laser emitted by the first laser emitting end of the middle laser pointer on the rim.
Optionally, first laser pen, second laser pen with each in the middle laser pen all can be around the center rotation, and have second laser emission end and third laser emission end respectively, the second laser emission end with the laser collineation of third laser emission end transmission, opposite direction and be on a parallel with the installation base.
Optionally, the device further comprises an angle measuring structure, and the angle measuring structure is used for measuring the rotation angle of the intermediate laser pointer.
In another aspect, an embodiment of the present application provides a vehicle wheel center measuring method, which is used for a vehicle wheel center measuring device, and the vehicle wheel center measuring device includes: the laser device comprises an installation base, a height adjusting structure, a first laser pen, a second laser pen, a middle laser pen and a shifting structure, wherein the first laser pen, the second laser pen and the middle laser pen are arranged on the installation base, the first laser pen, the second laser pen and the middle laser pen are respectively provided with a first laser transmitting end with the transmitting direction vertical to the installation base, the first laser pen and the second laser pen are symmetrically arranged on two sides of the middle laser pen,
the method comprises the following steps:
utilize the altitude mixture control structure is adjusted the height of installation base, and utilizes shift structure control first laser pen with the second laser pen is followed first laser pen with the central line of second laser pen is to opposite direction equidistance displacement, makes the laser that the first laser emission end of first laser pen sent aims at wheel rim upper edge, the wheel rim lower limb is aimed at to the laser that the first laser emission end of second laser pen sent, thereby the height of the laser of middle laser pen's first laser emission end landing point on the wheel equals vehicle wheel center height.
Optionally, the shifting structure comprises a first rack, a second rack, a first gear, a second gear, an intermediate gear set and an adjusting handle, the intermediate gear set comprises a third gear, a fourth gear and a fifth gear,
the first side of the mounting base is provided with a slot along the length direction, the first rack, the second rack, the first gear, the second gear and the third gear are arranged in the slot,
the middle laser pen is connected to the first side of the installation base through a connecting piece, the middle laser pen and the third gear are overlapped at the center of the projection of the installation base, the first laser pen is connected with the first end of the first rack, the first end of the first rack is the end of the first rack far away from the third gear, the second laser pen is connected with the first end of the second rack, the first end of the second rack is the end of the second rack far away from the third gear,
the length directions of the first rack and the second rack are parallel to the length direction of the slot and can move along the length direction of the slot, the second side of the first rack is respectively meshed with the first side of the third gear and the first gear, the first side of the second rack is respectively meshed with the second side of the third gear and the second gear, the first gear is positioned between the first end of the first rack and the third gear, and the second gear is positioned between the first end of the second rack and the third gear,
the fourth gear, the fifth gear and the adjusting handle are arranged on the second side of the mounting base, the fourth gear is coaxial with the third gear, the fifth gear is respectively meshed with the fourth gear and the adjusting handle,
the utilizing the shift structure to control the first laser pen and the second laser pen to be equidistant along the central connecting line of the first laser pen and the second laser pen in opposite directions comprises:
and rotating the adjusting handle to drive the fifth gear, the fourth gear and the third gear to rotate, so that the first rack and the second rack are driven to move equidistantly in opposite directions to drive the first laser pen and the second laser pen to move equidistantly in opposite directions.
Optionally, the vehicle wheel center measuring device further comprises a height measuring structure,
the method further comprises the following steps:
and measuring the height of a landing point of the laser emitted by the first laser emitting end of the middle laser pen on the rim by using the height measuring structure.
Optionally, each of the first laser pen, the second laser pen and the middle laser pen can rotate around the center and is respectively provided with a second laser emitting end and a third laser emitting end, the lasers emitted by the second laser emitting end and the third laser emitting end are collinear, opposite in direction and parallel to the mounting base,
the method further comprises the following steps:
the first laser pen, the second laser pen and the middle laser pen are rotated by the same angle, so that lasers emitted by the second laser emitting end and the third laser emitting end of the first laser pen respectively aim at the upper edge of a rim of a front wheel of a vehicle and the upper edge of a rim of a rear wheel of the vehicle, lasers emitted by the second laser emitting end and the third laser emitting end of the second laser pen respectively correspond to the lower edge of the rim of the front wheel of the vehicle and the lower edge of the rim of the rear wheel of the vehicle, and therefore lasers emitted by the second laser emitting end and the third laser emitting end of the middle laser pen respectively aim at the center of the wheel of the front wheel of the vehicle and the center of the wheel of the rear wheel of the vehicle.
Optionally, the vehicle wheel center measuring device further comprises an angle measuring structure,
the method further comprises the following steps:
and measuring the rotation angle of the middle laser pen by using the angle measuring structure.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
the application provides a vehicle wheel center measuring device is including the installation base, altitude mixture control structure and the first laser pen of installing on this installation base, the second laser pen, middle laser pen and aversion structure, wherein, first laser pen and second laser pen symmetrical arrangement are in the both sides of middle laser pen, and first laser pen, second laser pen and middle laser pen have the first laser emission end of laser emission direction perpendicular to installation base respectively, when utilizing altitude mixture control structure and aversion structure to adjust the position of first laser pen and second laser pen, when making the laser that first laser pen and second laser pen sent aim at the upper edge and the lower limb of vehicle rim respectively, the laser position that middle laser pen sent is at the landing point height on the rim promptly corresponding wheel center height, thereby acquire wheel center height portably fast. Compared with a method for scanning reverse point cloud or directly estimating and obtaining the wheel center position, the vehicle wheel center measuring device is simple in structure, the measuring method is simple, convenient and fast, and meanwhile the measuring precision of the vehicle wheel center is guaranteed by adopting laser measurement.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a vehicle wheel center measuring device according to an embodiment of the present application.
Fig. 2 is a schematic disassembly structure view of a vehicle wheel center measuring device provided in the embodiment of the present application.
Fig. 3 is a schematic diagram of a device for measuring a wheel center position by using a vehicle wheel center measuring device according to an embodiment of the present application.
The reference numerals in the figures are denoted respectively by:
1-mounting a base, 2-a first laser pen, 3-a second laser pen, 4-a middle laser pen, 5-an adjusting handle, 6-a first rack, 7-a second rack, 8-a first gear, 9-a second gear, 10-a third gear, 11-a fourth gear, 12-a fifth gear, 13-a slot and 14-a height adjusting structure.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Before the embodiments of the present application are described in further detail, terms of orientation, such as "upper," "lower," and "side," referred to in the embodiments of the present application are used only for clearly describing the embodiments of the present application with reference to the orientation shown in fig. 1, and do not have a meaning of limiting the scope of the present application.
For the purpose of facilitating understanding of the present application, a vehicle wheel center measuring device and a measuring method provided by the present application will be described below with reference to the accompanying drawings.
Fig. 1 shows an overall structural schematic diagram of a vehicle wheel center measuring device provided in an embodiment of the present application.
Referring to fig. 1, the present application provides a vehicle wheel center measuring device including: a mounting base 1, a height adjustment structure 14 and a first laser pointer 2, a second laser pointer 3, an intermediate laser pointer 4 and a displacement structure (partly shown in fig. 1) mounted on the mounting base 1.
Wherein, first laser pen 2, second laser pen 3 and middle laser pen 4 have the first laser emission end of emission direction perpendicular to installation base 1 respectively, and first laser pen 2 and second laser pen 3 symmetry set up in middle laser pen 4 both sides, and the shift structure is used for controlling first laser pen 2 and second laser pen 3 along the central line of first laser pen 2 and second laser pen 3 to opposite direction equidistance displacement, and altitude mixture control structure 14 is used for adjusting the height of installation base 1.
In the implementation, laser pen and symmetry set up in the first laser pen and the second laser pen of middle laser pen both sides in the middle of the installation on this vehicle wheel center measuring device's the installation base, adjust the height of installation base through the altitude mixture control structure to by the displacement structure control first laser pen and second laser pen along the central connection line of first laser pen and second laser pen to opposite reverse equidistance displacement, then middle laser pen is located the central point of first laser pen and second laser pen all the time. When the height adjusting structure and the shifting structure are used for adjusting the laser emitted by the first laser emitting ends of the first laser pen and the second laser pen to respectively align to the upper edge and the lower edge of the wheel rim, the height of the middle laser pen on the falling point of the wheel rim is equal to the height of the wheel center.
To sum up, the vehicle wheel center measuring device that this application embodiment provided includes the installation base, is used for adjusting the height control structure of installation base and installs first laser pen, second laser pen, middle laser pen on the installation base and be used for controlling the first laser pen and the aversion structure of the equidistance opposite direction removal of second laser pen. The vehicle wheel center measuring device is simple in structure, can conveniently and quickly measure the height of the wheel center, and meanwhile, laser is adopted to align the upper edge and the lower edge of a rim and indicate the height of the wheel center, so that the measuring precision is guaranteed.
It should be noted that fig. 1 only illustrates a specific wheel center measuring device for a vehicle, in which the displacement structure controls the displacement of the first laser pointer and the second laser pointer by means of a combination of a rack and a gear, but does not constitute a limitation to the present application. Any shifting structure capable of controlling the first laser pen and the second laser pen to move along the connecting line direction in opposite directions at equal intervals can be assembled with other elements in a combined mode, and therefore the vehicle wheel center measuring device provided by the embodiment of the application can be achieved. For example, the displacement structure may also be a high-precision step displacement structure or the like.
Next, a specific embodiment of the displacement structure is described, in which the displacement structure is driven by a rack and a gear to control the movement of the first laser pointer and the second laser pointer, and the composition and the basic operation principle of the displacement structure are described. Fig. 2 shows a schematic disassembled structure diagram of a vehicle wheel center measuring device provided by the embodiment of the application.
Alternatively, referring to fig. 1 and 2, the shifting structure includes a first rack 6, a second rack 7, a first gear 8, a second gear 9, an intermediate gear set including a third gear 10, a fourth gear 11, and a fifth gear 12, and an adjustment handle 5.
The first side of the mounting base 1 has a slot 13 along the length direction, and the first rack 6, the second rack 7, the first gear 8, the second gear 9 and the third gear 10 are mounted in the slot 13.
The middle laser pen 4 is connected to the first side of the installation base 1 through a connecting piece, the middle laser pen 4 and the third gear 10 are overlapped in the center of the projection of the installation base 1, the first laser pen 2 is connected with the first end of the first rack 6, the first end of the first rack 6 is the end of the first rack 6 far away from the third gear 10, the second laser pen 3 is connected with the first end of the second rack 7, and the first end of the second rack 7 is the end of the second rack 7 far away from the third gear 10.
The length directions of the first rack 6 and the second rack 7 are parallel to the length direction of the slot 13 and can move along the length direction of the slot 13, the second side of the first rack 6 is respectively meshed with the first side of the third gear 10 and the first gear 8, the first side of the second rack 7 is respectively meshed with the second side of the third gear 10 and the second gear 9, the first gear 8 is located between the first end of the first rack 6 and the third gear 10, and the second gear 9 is located between the first end of the second rack 7 and the third gear 10.
The fourth gear 11, the fifth gear 12 and the adjusting handle 5 are mounted on the second side of the mounting base 1, the fourth gear 11 is coaxial with the third gear 10, and the fifth gear 12 is meshed with the fourth gear 11 and the adjusting handle 5 respectively.
In practice, since the third gear and the fourth gear are coaxial and the fifth gear is engaged with the fourth gear and the adjustment handle, respectively, when the technician rotates the adjustment handle, the fifth gear, the fourth gear and the third gear all rotate along with the fifth gear, the fourth gear and the third gear. Because both sides of the third gear are respectively meshed with the first rack and the second rack, when the third gear rotates, the first rack and the second rack respectively displace in opposite directions at a constant speed. The first end of the first rack is connected with the first laser pen, the first end of the second rack is connected with the second laser pen, and the third rack rotates to drive the first laser pen and the second laser pen to move equidistantly in opposite directions respectively. Namely, the vehicle wheel center measuring device allows a technician to control the first laser pen and the second laser pen to respectively displace equidistantly in opposite directions in a mode of rotating the adjusting handle. Meanwhile, a technician can adjust the height of the mounting base of the wheel center measuring device through the height adjusting structure according to actual measurement conditions, so that the laser emitted by the first laser emitting ends of the first laser pen and the second laser pen respectively aligns to the upper edge and the lower edge of the rim, and the falling point height of the laser emitted by the first laser emitting end of the middle laser pen on the rim is equal to the height of the wheel center.
To sum up, this application embodiment provides a vehicle wheel center measuring device, and the device allows the technical staff to realize the measurement of vehicle wheel center height through the simple operation to adjustment handle and altitude mixture control structure, adopts laser as the light source simultaneously, guarantees measuring high accuracy. Compared with the prior art, the method for acquiring the wheel center height in a point cloud scanning mode is adopted, and the vehicle wheel center measuring device provided by the embodiment of the application can realize accurate measurement of the wheel center height while greatly reducing the engineering quantity.
Optionally, the vehicle wheel center measuring device further comprises a height measuring structure, and the height measuring structure is used for measuring the height of a drop point of the laser emitted by the first laser emitting end of the middle laser pen 4 on the rim.
The embodiment of the present application does not limit the specific implementation manner of the height measuring structure. In one embodiment, referring to FIG. 3, the height measuring structure may be a straight edge mounted to one side of the mounting base. In another embodiment, the height measuring structure may further comprise a laser emitting end and a receiving end which are installed on the first laser pen and have a emitting direction vertically facing the ground, and the height of the middle laser pen is measured by measuring parameters such as time required by the laser to return from the ground; the height measuring structure can also be a scale with scales arranged on or near a center line of the wheel rim vertical to the ground, and the height of a landing point of laser emitted by the first laser emitting end of the middle laser pen on the wheel rim is measured through the scale, so that the height of the wheel center is measured.
Optionally, with continued reference to fig. 1 and 2, each of the first laser pointer 2, the second laser pointer 3 and the intermediate laser pointer 4 may rotate around the center, and have a second laser emitting end and a third laser emitting end, respectively, and the lasers emitted by the second laser emitting end and the third laser emitting end are collinear, opposite in direction, and parallel to the mounting base 1.
In the implementation, first laser pen 2, second laser pen 3 and middle laser pen 4 all are located outside the fluting of installation base 1 first side, and are for the installation base protrusion promptly to make the laser that second laser emission end and third laser emission end sent can reach the rim of the vehicle that awaits measuring.
Optionally, the vehicle wheel center measuring device further comprises an angle measuring structure, and the angle measuring structure is used for measuring the rotation angle of the middle laser pen 4.
In implementation, for vehicles with front and rear wheels having the same tire specification, a technician can adjust the height of the mounting base through the height adjusting structure, adjust the first laser pen and the second laser pen to displace equidistantly in opposite directions by using the displacement structure, synchronously rotate the first laser pen, the second laser pen and the middle laser pen at the same angle, enable the second laser emitting end and the third laser emitting end of the first laser pen to respectively align with the upper edge of the front wheel rim and the upper edge of the rear wheel rim of the vehicle, enable the second laser emitting end and the third laser emitting end of the second laser pen to respectively align with the lower edge of the front wheel rim and the lower edge of the rear wheel rim of the vehicle, and enable the laser emitted by the second laser pen emitting end and the third laser emitting end of the middle laser pen to respectively align with the front wheel center and the rear wheel center. The technician can measure the rotation angle of the middle laser pen through the angle measuring structure. According to the initial angle of the intermediate laser pen, the rotation angle of the intermediate laser pen relative to the horizontal plane can be obtained, wherein the initial angle refers to the value of the angle between the intermediate laser pen and the horizontal plane in the initial state.
Optionally, the first laser pointer 2, the second laser pointer 3 and the intermediate laser pointer 4 may be respectively provided with a level. In implementation, before the first laser pen 2, the second laser pen 3 and the intermediate laser pen 4 are rotated, the leveling instrument is used for leveling, and the angle between the intermediate laser pen and the horizontal plane is zero in an initial state, so that after the subsequent adjustment is finished, the rotation angle of the intermediate laser pen reflects the angle between the intermediate laser pen and the horizontal plane. The technician can directly calculate the tire condition from the rotation angle.
To sum up, the vehicle wheel center measuring device that this application embodiment provided not only can measure the wheel center height of wheel, can also measure the gesture of vehicle. Compared with a method for acquiring the wheel center position by scanning point cloud or direct estimation, the vehicle wheel center measuring device provided by the embodiment of the application has the advantages that the structure is simple, and the wheel center is measured more simply and accurately.
In another aspect, an embodiment of the present application provides a vehicle wheel center measuring method, which is used for a vehicle wheel center measuring device. This vehicle wheel center measuring device includes: installation base 1, altitude mixture control structure 14 and install first laser pen 2, second laser pen 3, middle laser pen 4 and the structure of shifting on installation base 1, wherein, first laser pen 2, second laser pen 3 and middle laser pen 4 have the first laser emission end of emission direction perpendicular to installation base 1 respectively, and first laser pen 2 and second laser pen 3 symmetry set up in middle laser pen 4 both sides.
The method comprises the following steps:
the height of the installation base 1 is adjusted by the aid of the height adjusting structure 14, the first laser pen 2 and the second laser pen 3 are controlled to move equidistantly in opposite directions along a central connecting line of the first laser pen 2 and the second laser pen 3 by the aid of the shifting structure, laser emitted by a first laser emitting end of the first laser pen 2 is aligned to the upper edge of a wheel rim, laser emitted by a first laser emitting end of the second laser pen 3 is aligned to the lower edge of the wheel rim, and accordingly the height of a drop point of the laser emitted by a first laser emitting end of the middle laser pen 4 on a wheel is equal to the height of the wheel center of the vehicle.
In the implementation, a technician can adjust the installation height through the height adjusting structure, so that the height of the installation base is matched with the height of the wheel to be measured. Then, the first laser pen and the second laser pen are controlled to be equidistantly displaced in opposite directions along the connecting line of the first laser pen and the second laser pen by using a displacement structure. The above process may need to be performed several times to align the laser emitted from the first laser emitting ends of the first and second laser pens with the upper and lower edges of the rim of the wheel, respectively. When the laser emitted by the first laser emitting ends of the first laser pen and the second laser pen respectively aims at the upper edge and the lower edge of the wheel rim, the height of the falling point of the laser emitted by the first laser emitting end of the middle laser pen on the wheel rim is equal to the height of the wheel center because the middle laser pen is positioned between the first laser pen and the second laser pen.
In summary, according to the vehicle wheel center measuring method provided by the embodiment of the application, the height of the mounting base is adjusted through the height adjusting structure, and the positions of the first laser pen and the second laser pen are controlled by the displacement structure, so that the laser emitted by the first laser emitting ends of the first laser pen and the second laser pen respectively align to the upper edge and the lower edge of the vehicle wheel rim, and the height of the landing point of the laser emitted by the first laser emitting end of the middle laser pen on the wheel rim is equal to the height of the wheel center. According to the method, the laser drop point with the same height as the wheel center can be obtained only by simple operation of a height adjusting structure and a shifting structure by technicians, and compared with a method for scanning reverse point cloud or directly estimating, the method has the advantages that the precision is guaranteed, and meanwhile, the engineering quantity is greatly reduced.
Alternatively, referring to fig. 1 and 2, the shifting structure includes a first rack 6, a second rack 7, a first gear 8, a second gear 9, an intermediate gear set including a third gear 10, a fourth gear 11, and a fifth gear 12, and the adjustment handle 5. The first side of the installation base 1 is provided with a slot 13 along the length direction, the first rack 6, the second rack 7, the first gear 8, the second gear 9 and the third gear 10 are installed in the slot 13, the middle laser pen 4 is connected to the first side of the installation base 1 through a connecting piece, and the middle laser pen 4 and the third gear 10 are overlapped at the center of the projection of the installation base 1. The first laser pen 2 is connected with the first end of the first rack 6, the first end of the first rack 6 is the end of the first rack 6 far away from the third gear 10, the second laser pen 3 is connected with the first end of the second rack 7, and the first end of the second rack 7 is the end of the second rack 7 far away from the third gear 10. The length directions of the first rack 6 and the second rack 7 are parallel to the length direction of the slot 13 and can move along the length direction of the slot 13. The second side of the first rack 6 meshes with the first side of the third gear 10 and the first gear 8, respectively, the first side of the second rack 7 meshes with the second side of the third gear 10 and the second gear 9, respectively, the first gear 8 is located between the first end of the first rack 6 and the third gear 10, and the second gear 9 is located between the first end of the second rack 7 and the third gear 10. The fourth gear 11, the fifth gear 12 and the adjusting handle 5 are mounted on the second side of the mounting base 1, the fourth gear 11 is coaxial with the third gear 10, and the fifth gear 12 is meshed with the fourth gear 11 and the adjusting handle 5 respectively.
Correspondingly, the control of the first laser pen 2 and the second laser pen 3 along the central connecting line of the first laser pen 2 and the second laser pen 3 to the opposite direction with equal distance by using the shifting structure comprises:
the adjusting handle 5 is rotated to drive the fifth gear 12, the fourth gear 11 and the third gear 10 to rotate, so that the first rack 6 and the second rack 7 are driven to move equidistantly in opposite directions, and the first laser pen 2 and the second laser pen 3 are driven to move equidistantly in opposite directions.
In implementation, technicians can directly rotate the adjusting handle, namely the fifth gear, the fourth gear and the third gear can be driven to rotate, and since the two sides of the third gear are respectively meshed with the first rack and the second rack, the adjusting handle can be rotated to control the first laser pen positioned at the first end of the first rack and the second laser pen positioned at the second end of the second rack to respectively move equidistantly in opposite directions.
Optionally, the vehicle wheel center measuring device further includes a height measuring structure, and the vehicle wheel center measuring method further includes: and measuring the height of a landing point of the laser emitted by the first laser emitting end of the middle laser pen 4 on the rim by using the height measuring structure.
In implementation, the height of the wheel center can be obtained by directly measuring the height of a landing point of laser emitted by the first laser emitting end of the middle laser pen on the wheel rim through the height measuring structure.
In some embodiments, after the heights of the centers of the front and rear wheels are measured, the ground line corresponding to the vehicle, the static radius of the tire, and the like can be calculated according to the load condition of the vehicle.
To sum up, in the vehicle wheel center measuring method provided by the embodiment of the application, a technician can control the first laser pen and the second laser pen to respectively move equidistantly in opposite directions by simply rotating the adjusting handle, and simultaneously adjust the height of the mounting base through the height adjusting structure, so that laser emitted by the first laser emitting ends of the first laser pen and the second laser pen respectively aims at the upper edge and the lower edge of the rim to obtain the position of the wheel center. The height of the wheel center can be obtained by measuring the height of the drop point of the laser emitted by the first laser emitting end of the middle laser pen on the wheel rim through the height measuring structure.
Optionally, referring to fig. 2, each of the first laser pen 2, the second laser pen 3 and the middle laser pen 4 may rotate around the center, and have a second laser emitting end and a third laser emitting end respectively, and the lasers emitted by the second laser emitting end and the third laser emitting end are collinear, opposite in direction, and parallel to the mounting base 1.
The vehicle wheel center measuring method further includes:
the first laser pen 2, the second laser pen 3 and the middle laser pen 4 are rotated by the same angle, so that the laser emitted by the second laser emitting end and the laser emitted by the third laser emitting end of the first laser pen 2 are respectively aligned with the upper edge of a wheel rim of a front wheel of the vehicle and the upper edge of a wheel rim of a rear wheel of the vehicle, the laser emitted by the second laser emitting end and the laser emitted by the third laser emitting end of the second laser pen 3 are respectively corresponding to the lower edge of the wheel rim of the front wheel of the vehicle and the lower edge of the wheel rim of the rear wheel of the vehicle, and the laser emitted by the second laser emitting end and the laser emitted by the third laser emitting end of the middle laser pen 4 are respectively aligned with the wheel center of the front wheel of the vehicle and the wheel center of the rear wheel of the vehicle.
Optionally, the vehicle wheel center measuring device further includes an angle measuring structure, and correspondingly, the vehicle wheel center measuring method provided in the embodiment of the present application further includes:
the angle of rotation of the intermediate laser pointer 4 is measured by means of an angle measuring structure.
In implementation, a technician can adjust the height of a mounting base of the vehicle wheel center measuring device by using the height adjusting structure, adjust the first laser pen and the second laser pen to displace equidistantly in opposite directions by using the displacement structure, and synchronously rotate the first laser pen, the second laser pen and the middle laser pen at the same angle, so that the second laser emitting end and the third laser emitting end of the first laser pen are respectively aligned with the upper edge of a front wheel rim and the upper edge of a rear wheel rim of the vehicle, and the second laser emitting end and the third laser emitting end of the second laser pen are respectively aligned with the lower edge of the front wheel rim and the lower edge of the rear wheel rim of the vehicle. It should be noted that the above-described adjustment process may be required several times. After the adjustment is finished, the lasers emitted by the second laser emitting end and the third laser emitting end of the middle laser pen respectively aim at the wheel center of the front wheel and the wheel center of the rear wheel, and therefore a connecting line of the front wheel center and the rear wheel center is obtained, and the posture of the vehicle can be obtained by measuring the rotating angle of the middle laser pen and combining the ground line of the vehicle.
Meanwhile, the vehicle wheel center measuring method provided by the embodiment of the application can measure the height of the wheel center and the connecting line of the front wheel center and the rear wheel center, and based on the result, technicians can calculate and obtain the accurate coordinates of the vehicle wheel center.
To sum up, the vehicle wheel center measuring device that this application embodiment provided requires lowly to technical staff's specialty, and technical staff only need operate height control structure and rotate adjustment handle, both can determine the point the same with wheel center height, through the height measurement structure alright survey the height of wheel center. In some embodiments, technicians can also use the second laser emitting end and the third laser emitting end to measure and obtain a connecting line of the front wheel center position and the rear wheel center position, and then calculate and obtain the attitude of the vehicle and the accurate coordinates of the wheel center; obtaining the static radius of the tire under different loads of the vehicle through the wheel center height data; based on similar measurement principles, the technician can also measure data such as wheel arch height of the vehicle. The method for measuring the wheel center of the vehicle can achieve rapid and accurate acquisition of various data.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (8)
1. A vehicle wheel center measuring device, characterized by comprising: a mounting base (1), a height adjusting structure (14), a first laser pen (2), a second laser pen (3), a middle laser pen (4) and a shifting structure which are arranged on the mounting base (1),
the first laser pen (2), the second laser pen (3) and the middle laser pen (4) are respectively provided with a first laser emitting end with an emitting direction perpendicular to the installation base (1), the first laser pen (2) and the second laser pen (3) are symmetrically arranged on two sides of the middle laser pen (4), the shifting structure is used for controlling the first laser pen (2) and the second laser pen (3) to be shifted equidistantly in opposite directions along a central connecting line of the first laser pen (2) and the second laser pen (3), and the height adjusting structure (14) is used for adjusting the height of the installation base (1);
the device further comprises a height measuring structure, and the height measuring structure is used for measuring the height of a drop point of the laser emitted by the first laser emitting end of the middle laser pen (4) on the rim.
2. The vehicle wheel center measuring device according to claim 1, wherein the displacement structure includes a first rack (6), a second rack (7), a first gear (8), a second gear (9), an intermediate gear set including a third gear (10), a fourth gear (11), and a fifth gear (12), and an adjustment handle (5),
a first side of the mounting base (1) is provided with a slot (13) along the length direction, the first rack (6), the second rack (7), the first gear (8), the second gear (9) and the third gear (10) are mounted in the slot (13),
the middle laser pen (4) is connected to the first side of the installation base (1) through a connecting piece, the middle laser pen (4) and the third gear (10) are superposed at the center of the projection of the installation base (1), the first laser pen (2) is connected with the first end of the first rack (6), the first end of the first rack (6) is the end of the first rack (6) far away from the third gear (10), the second laser pen (3) is connected with the first end of the second rack (7), the first end of the second rack (7) is the end of the second rack (7) far away from the third gear (10),
the length directions of the first rack (6) and the second rack (7) are parallel to the length direction of the slot (13) and can move along the length direction of the slot (13), the second side of the first rack (6) is respectively meshed with the first side of the third gear (10) and the first gear (8), the first side of the second rack (7) is respectively meshed with the second side of the third gear (10) and the second gear (9), the first gear (8) is positioned between the first end of the first rack (6) and the third gear (10), and the second gear (9) is positioned between the first end of the second rack (7) and the third gear (10),
the fourth gear (11), the fifth gear (12) and the adjusting handle (5) are mounted on the second side of the mounting base (1), the fourth gear (11) is coaxial with the third gear (10), and the fifth gear (12) is meshed with the fourth gear (11) and the adjusting handle (5) respectively.
3. A vehicle wheel center measuring device according to claim 1, characterized in that each of the first laser pointer (2), the second laser pointer (3) and the intermediate laser pointer (4) is rotatable around a center and has a second laser emitting end and a third laser emitting end, respectively, emitting laser lights which are collinear, opposite in direction and parallel to the mounting base (1).
4. A vehicle wheel center measuring device according to claim 3, characterized in that the device further comprises an angle measuring structure for measuring the rotation angle of the intermediate laser pointer (4).
5. A vehicle wheel center measuring method for a vehicle wheel center measuring apparatus, comprising: installation base, altitude mixture control structure, altitude measurement structure with install in first laser pen, second laser pen on the installation base, middle laser pen and aversion structure, wherein, first laser pen second laser pen with middle laser pen has the emission direction perpendicular to respectively the first laser emission end of installation base, first laser pen with second laser pen symmetry set up in middle laser pen both sides, the method includes:
the height of the mounting base is adjusted by the aid of the height adjusting structure, the first laser pen and the second laser pen are controlled to be equidistantly displaced in opposite directions by the aid of the displacement structure along a central connecting line of the first laser pen and the second laser pen, laser emitted by a first laser emitting end of the first laser pen is aligned to the upper edge of a wheel rim, laser emitted by a first laser emitting end of the second laser pen is aligned to the lower edge of the wheel rim, and accordingly the height of a falling point of the laser emitted by the first laser emitting end of the middle laser pen on a wheel is equal to the height of the wheel center of the vehicle;
the method further comprises the following steps:
and measuring the height of a landing point of the laser emitted by the first laser emitting end of the middle laser pen on the rim by using the height measuring structure.
6. The vehicle wheel center measuring method according to claim 5, wherein the displacement structure includes a first rack, a second rack, a first gear, a second gear, an intermediate gear set including a third gear, a fourth gear, and a fifth gear, and an adjustment handle,
the first side of the mounting base is provided with a slot along the length direction, the first rack, the second rack, the first gear, the second gear and the third gear are arranged in the slot,
the middle laser pen is connected to the first side of the installation base through a connecting piece, the middle laser pen and the third gear are overlapped at the center of the projection of the installation base, the first laser pen is connected with the first end of the first rack, the first end of the first rack is the end of the first rack far away from the third gear, the second laser pen is connected with the first end of the second rack, the first end of the second rack is the end of the second rack far away from the third gear,
the length directions of the first rack and the second rack are parallel to the length direction of the slot and can move along the length direction of the slot, the second side of the first rack is respectively meshed with the first side of the third gear and the first gear, the first side of the second rack is respectively meshed with the second side of the third gear and the second gear, the first gear is positioned between the first end of the first rack and the third gear, and the second gear is positioned between the first end of the second rack and the third gear,
the fourth gear, the fifth gear and the adjusting handle are arranged on the second side of the mounting base, the fourth gear is coaxial with the third gear, the fifth gear is respectively meshed with the fourth gear and the adjusting handle,
the utilizing the shift structure to control the first laser pen and the second laser pen to be equidistant along the central connecting line of the first laser pen and the second laser pen in opposite directions comprises:
and rotating the adjusting handle to drive the fifth gear, the fourth gear and the third gear to rotate, so that the first rack and the second rack are driven to move equidistantly in opposite directions to drive the first laser pen and the second laser pen to move equidistantly in opposite directions.
7. The vehicle wheel center measuring method according to claim 5, wherein each of the first laser pointer, the second laser pointer and the intermediate laser pointer is rotatable about a center and has a second laser emitting end and a third laser emitting end, respectively, the laser light emitted from the second laser emitting end and the laser light emitted from the third laser emitting end are collinear, opposite in direction and parallel to the mounting base,
the method further comprises the following steps:
the first laser pen, the second laser pen and the middle laser pen are rotated by the same angle, so that lasers emitted by the second laser emitting end and the third laser emitting end of the first laser pen respectively aim at the upper edge of a rim of a front wheel of a vehicle and the upper edge of a rim of a rear wheel of the vehicle, lasers emitted by the second laser emitting end and the third laser emitting end of the second laser pen respectively correspond to the lower edge of the rim of the front wheel of the vehicle and the lower edge of the rim of the rear wheel of the vehicle, and therefore lasers emitted by the second laser emitting end and the third laser emitting end of the middle laser pen respectively aim at the center of the wheel of the front wheel of the vehicle and the center of the wheel of the rear wheel of the vehicle.
8. The vehicle wheel center measuring method according to claim 7, wherein the vehicle wheel center measuring device further includes an angle measuring structure,
the method further comprises the following steps:
and measuring the rotation angle of the middle laser pen by using the angle measuring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286035.8A CN112361968B (en) | 2020-11-17 | 2020-11-17 | Vehicle wheel center measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286035.8A CN112361968B (en) | 2020-11-17 | 2020-11-17 | Vehicle wheel center measuring device and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112361968A CN112361968A (en) | 2021-02-12 |
| CN112361968B true CN112361968B (en) | 2021-09-28 |
Family
ID=74515080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011286035.8A Active CN112361968B (en) | 2020-11-17 | 2020-11-17 | Vehicle wheel center measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361968B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116878404B (en) * | 2023-07-27 | 2024-04-16 | 北京博科测试系统股份有限公司 | Device and method for measuring height of wheel arch on automobile assembly production line |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713499A (en) * | 2015-04-07 | 2015-06-17 | 深圳市龙牌科技有限公司 | Axle locator |
| CN205561765U (en) * | 2016-04-29 | 2016-09-07 | 卡达克机动车质量检验中心(宁波)有限公司 | Rotary drum and wheel centering instrument |
| CN106066284A (en) * | 2016-06-15 | 2016-11-02 | 张志雄 | Titanium alloy gear flap wheel tooth bar is by pincers impact shooting linkage glass detection equipment |
| CN106370077A (en) * | 2016-10-21 | 2017-02-01 | 南京沃宇机电有限公司 | Automatic centering device |
| CN108113518A (en) * | 2017-12-29 | 2018-06-05 | 孟凡林 | A kind of walnut shell-breaking device based on rack-and-pinion |
| CN208399159U (en) * | 2018-05-22 | 2019-01-18 | 苏州光图智能科技有限公司 | Tire looks for middle positioning device automatically |
| CN208520987U (en) * | 2018-04-20 | 2019-02-19 | 天津清智科技有限公司 | Vehicle centre-line caliberating device |
| CN109540922A (en) * | 2019-01-29 | 2019-03-29 | 吉林大学 | A kind of portable dual wheels tire inner tread detection device and detection method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5048954A (en) * | 1989-07-07 | 1991-09-17 | Miradco | Laser-based wheel alignment system |
| US8985848B2 (en) * | 2006-06-30 | 2015-03-24 | Bdc Capital Inc. | Thermal inspection system |
| CN102012206B (en) * | 2010-10-19 | 2012-11-28 | 奇瑞汽车股份有限公司 | Device and method for dynamically measuring toe-in angle and camber angle of automobile |
| CN105526870B (en) * | 2016-01-26 | 2017-12-29 | 中信戴卡股份有限公司 | A kind of method for detecting aluminum vehicle wheel strand core wheel depth |
-
2020
- 2020-11-17 CN CN202011286035.8A patent/CN112361968B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713499A (en) * | 2015-04-07 | 2015-06-17 | 深圳市龙牌科技有限公司 | Axle locator |
| CN205561765U (en) * | 2016-04-29 | 2016-09-07 | 卡达克机动车质量检验中心(宁波)有限公司 | Rotary drum and wheel centering instrument |
| CN106066284A (en) * | 2016-06-15 | 2016-11-02 | 张志雄 | Titanium alloy gear flap wheel tooth bar is by pincers impact shooting linkage glass detection equipment |
| CN106370077A (en) * | 2016-10-21 | 2017-02-01 | 南京沃宇机电有限公司 | Automatic centering device |
| CN108113518A (en) * | 2017-12-29 | 2018-06-05 | 孟凡林 | A kind of walnut shell-breaking device based on rack-and-pinion |
| CN208520987U (en) * | 2018-04-20 | 2019-02-19 | 天津清智科技有限公司 | Vehicle centre-line caliberating device |
| CN208399159U (en) * | 2018-05-22 | 2019-01-18 | 苏州光图智能科技有限公司 | Tire looks for middle positioning device automatically |
| CN109540922A (en) * | 2019-01-29 | 2019-03-29 | 吉林大学 | A kind of portable dual wheels tire inner tread detection device and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112361968A (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105910624B (en) | A kind of scaling method of used group of optical laying prism installation error | |
| US20180356223A1 (en) | Method for Checking and/or Calibrating a Horizontal Axis of a Rotating Laser | |
| CN107167790A (en) | A kind of step scaling method of laser radar two based on Calibration Field | |
| CN106483535B (en) | A kind of Dual-antenna receiver position and attitude precision testing platform and test method | |
| CN103471619B (en) | A kind of laser strapdown inertial navigation system prism ridge orientation installation error calibration | |
| JPH03504167A (en) | How to measure car frame | |
| CN104880200B (en) | Combined guidance system initial attitude field calibration system and method | |
| CN112146738B (en) | Aircraft weighing method and system | |
| CN105518428A (en) | Centre of mass measuring instrument and measuring method thereof | |
| US10036799B2 (en) | Device system and method for determining the relative orientation between two different locations | |
| CN112361968B (en) | Vehicle wheel center measuring device and measuring method | |
| CN103245323A (en) | Laser cursor measuring tape type altimeter and height measuring method | |
| CN104697489B (en) | A kind of plane normal azimuth measuring device, method and application | |
| CN114046965B (en) | Device and method for calibrating optical axis of multi-type avionics equipment of airplane | |
| CN105716593A (en) | Testing device and method for testing orienting and positioning accuracy of photoelectric scouting system | |
| CN204142424U (en) | Centroid measurement instrument | |
| CN104457688A (en) | High-precision automatic measurement device for batch equipment attitude angle matrix on satellite | |
| CN104535078B (en) | A kind of measuring method of optoelectronic device based on index point to airbound target | |
| CN104697488B (en) | A kind of plane normal azimuth measuring method and its application | |
| CN103162712B (en) | The crooked compensation method of Circular gratings angle measurement deviation processing and axle system | |
| CN109470274B (en) | Vehicle-mounted photoelectric theodolite vehicle-mounted platform deformation measurement system and method | |
| CN205096833U (en) | Correcting unit of equipment fixing gesture | |
| CN109814077A (en) | System and method for alignment sensor component | |
| KR101197597B1 (en) | Misalignment error compensation method | |
| CN111102918B (en) | Automatic measuring system of cubic mirror coordinate system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |