CN110296692B - Surveying apparatus and surveying method - Google Patents
Surveying apparatus and surveying method Download PDFInfo
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- CN110296692B CN110296692B CN201810244645.8A CN201810244645A CN110296692B CN 110296692 B CN110296692 B CN 110296692B CN 201810244645 A CN201810244645 A CN 201810244645A CN 110296692 B CN110296692 B CN 110296692B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
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Abstract
The invention discloses a surveying and mapping device and a surveying and mapping method. The surveying device comprises a laser emitter for emitting laser light; an angle gauge for calibrating the orientation of the laser transmitter; the measuring platform is fixedly connected with the laser transmitter and is used for mounting the angle instrument; a moving mechanism having a connecting rod for moving a position of the laser transmitter in space; and the joint is used for fixedly connecting the laser emitter to the connecting rod. The surveying and mapping device has the advantages of simple structure, convenience in use, easiness in mounting and dismounting, capability of reducing physical expenditure of surveying and mapping personnel, convenience in operation and small occupied space.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a surveying and mapping device and a surveying and mapping method.
Background
With the increasing density of urban population and the continuous increase of automobile holding capacity of various countries, the problem of personnel safety in road traffic is more prominent. According to statistics, about 120 million people die from road traffic accidents every year in the world, the number of dead people in road traffic in China is always kept at the high level of about 10 million people every year, the death rate of pedestrians is 9 times that of drivers and passengers, and 28% of the dead people are dead without mistake. Because of the problems of low road density, large population density and large mixed traffic proportion in China, the development of the research on pedestrian protection is of great significance.
The method for dividing the collision area in the collision protection of the GBT 2450-2009 automobile on the pedestrian takes a side reference line as an example: the geometric locus of the straight edge at the highest contact point with the side of the vehicle is formed when the straight edge of 70mm length is parallel to the lateral vertical plane of the vehicle and is tilted 45 ° inwardly and held in contact with the side of the front structure of the vehicle. The above method is only to be understood theoretically and in practice it is not effective to ensure that the straightedge is parallel to and inclined 45 to the transverse vertical plane of the vehicle.
Chinese patent CN201110412644 provides a pedestrian protection collision area marking device for a vehicle, which includes a first slide rail component, a second slide rail component, a third slide rail component, an angle-adjustable rotating arm, a boundary datum line positioning plate, an envelope line positioner, a bumper corner positioner, and a bumper lower datum bar. At present, similar mechanical devices are adopted for marking lines aiming at pedestrian protection collision areas in China. Although the device of the type can meet the requirement of pedestrian collision protection area division, the large-size base of the marking device is heavy, the device is complex, the occupied area is large, the operation is not convenient enough, the mechanical operation is not flexible enough due to the limitation of the size of the device, and the device is lengthened correspondingly if large-size full-size SUVs and D-class vehicles with long vehicle heads are used. Meanwhile, the device is more greatly influenced by the change of the content of the specification update, and the redesign and manufacturing of the device are needed after the regulation update. Therefore, the traditional mechanical scribing device is not convenient and has not wide freedom degree in actual use.
Disclosure of Invention
The invention provides a surveying and mapping device which is simple in structure, convenient to use, easy to install and detach, convenient to operate and small in occupied space, and physical expenditure of surveying and mapping personnel is reduced.
According to one aspect of the invention, a surveying apparatus is proposed, which comprises: a laser transmitter for emitting laser light; an angle gauge for calibrating the orientation of the laser transmitter; the measuring platform is fixedly connected with the laser transmitter and is used for mounting the angle instrument; a moving mechanism having a connecting rod for moving a position of the laser transmitter in space; and the joint is used for fixedly connecting the laser emitter to the connecting rod.
According to one embodiment of the surveying and mapping apparatus set forth in the present invention, the moving mechanism is a multi-function impact device.
According to one embodiment of the surveying and mapping apparatus, the connecting rod is an impact rod of the multifunctional impact device.
According to one embodiment of the surveying and mapping device, the connector is a straight connector or a right-angle connector, the straight connector enables the direction of the laser emitted by the laser emitter to be parallel to the shaft of the impact rod of the multifunctional impact device, and the right-angle connector enables the direction of the laser emitted by the laser emitter to be perpendicular to the shaft of the impact rod of the multifunctional impact device.
Furthermore, the invention proposes a method for surveying with such a surveying device, comprising the following steps:
a) calibrating a laser transmitter;
b) assembling the laser emitter;
c) centering the vehicle;
d) rotating the laser emitter and/or the connecting rod as needed;
e) adjusting the spatial position of the connecting rod to enable the laser emitted by the laser emitter to be located at a required position on the vehicle;
f) marking an intersection of the laser line and the vehicle.
According to one embodiment of the present invention, the method for calibrating a laser transmitter includes the following steps:
a1) selecting a standard horizontal plane and a reference horizontal line;
a2) connecting a measuring platform to a laser transmitter, the measuring platform being rotatable relative to the laser transmitter;
a3) connecting an angle gauge to the measuring platform;
a4) placing the measuring platform onto the standard horizontal plane;
a5) rotating the laser transmitter to enable the emitted laser to coincide with a horizontal line;
a6) and fixedly connecting the measuring platform with the laser transmitter.
According to one embodiment of the present invention, the method for mapping is provided, wherein the step of assembling the laser emitter comprises the following steps:
b1) selecting a straight joint or a right-angle joint according to the requirement;
b2) sleeving the laser emitter into the joint;
b3) adjusting a fastening screw of the joint to enable the laser transmitter to normally rotate and to be kept at any angle;
b4) adjusting Phi angle and Gamma angle of the connecting rod to 0 degree;
b5) mounting the joint to the connecting rod;
b6) opening the angle meter, and rotating the measuring platform to display the reading of the angle meter as a required numerical value;
b7) the spatial position of the connecting rod is adjusted to enable the emitted laser line to fall on a required area.
According to one embodiment of the invention, a method for mapping a vehicle includes the following steps:
c1) rotating the angle to 90 DEG by using an angle meter
c2) Moving the connecting rod into position
c3) Stopping the vehicle before the moving mechanism so that the vehicle head faces the connecting rod
c4) Adjusting the Y-value coordinate of the connecting rod to observe whether the laser line track and the vehicle center line coincide
c5) And adjusting the position of the vehicle until the laser line track is coincident with the center line of the vehicle.
The beneficial effects of the invention include: compared with the traditional mechanical structure mapping method, the mapping method greatly improves the scribing efficiency in use; the laser length can reach ten meters and can rotate 360 degrees at the same time, and the working range is wider; the surveying and mapping device has the advantages of compact structure, convenient assembly and disassembly, easy transportation, simple and convenient maintenance, reduced physical expenditure and small occupied space.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows the structure of an assembly of a laser transmitter, an angle gauge, a measuring platform and a joint, wherein the joint is a straight joint;
FIG. 2 schematically shows the structure of an assembly of a laser transmitter, an goniometer, a measuring platform and a joint, wherein the joint is a right-angle joint;
FIG. 3 is an exploded view of the parts contained in FIGS. 1 and 2;
FIG. 4 schematically illustrates a structure of a surveying and mapping apparatus according to an embodiment of the present invention, in which the joint is a straight joint;
FIG. 5 schematically illustrates the arrangement of the mapping device with the vehicle as the vehicle is centered;
FIG. 6 schematically illustrates the arrangement of the mapping device and vehicle when mapping a lateral reference line;
FIG. 7 schematically illustrates the arrangement of the mapping device and vehicle when making a bumper angle survey;
FIG. 8 schematically illustrates the arrangement of the mapping device with the vehicle when mapping the hood leading edge datum line;
figure 9 shows schematically the arrangement of the mapping device and the vehicle when making a measurement of the approach angle of the vehicle.
List of reference numerals
The method comprises the following steps of 1-laser emitter, 2-angle gauge, 3-measuring platform, 4-moving mechanism, 5-linear joint, 6-right-angle joint, 7-connecting rod, 8-vehicle and 9-surveying and mapping device.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
In this specification, a longitudinal forward direction of the vehicle is a positive X-axis direction, a leftward direction perpendicular to the X-axis direction in a horizontal plane of the vehicle is a positive Y-axis direction, and a vertical upward direction perpendicular to the horizontal plane of the vehicle is a positive Z-axis direction.
An embodiment according to the invention is shown in connection with fig. 1, 2, 3 and 4, where it can be seen that: the surveying device 9 includes: a laser transmitter 1 for emitting laser light; an angle gauge 2 for calibrating the direction of the laser transmitter; the measuring platform 3 is fixedly connected with the laser transmitter and is used for mounting the angle instrument 2; a multifunction impact device (i.e., a moving mechanism) 4 having an impact lever (i.e., a connecting rod) 7 for moving the position of the laser transmitter in space; and the joints 5 and 6 are used for fixedly connecting the laser emitter to the connecting rod. The connector is a straight connector 5 or a right-angle connector 6, the straight connector enables the direction of laser emitted by the laser emitter to be parallel to the rod body of the impact rod of the multifunctional impact equipment, and the right-angle connector enables the direction of the laser emitted by the laser emitter to be perpendicular to the rod body of the impact rod of the multifunctional impact equipment.
One end of the straight joint/right-angle joint can be vertically sleeved on the multifunctional impact device impact rod according to the head characteristic design of the multifunctional impact device impact rod, is completely attached to the multifunctional impact device impact rod in an axial direction and is free from shaking, and the other end of the straight joint/right-angle joint can be sleeved on the infrared laser transmitter; the tightness of the measuring platform sleeved on the infrared laser transmitter can be adjusted through screws; the linear infrared laser transmitter is fixed on the rotating disc and can rotate along with the rotating disc, and the laser length is 10 meters. The straight joint and the right-angle joint are respectively used for different working conditions.
Compared with the traditional mechanical structure mapping method, the mapping device greatly improves the scribing efficiency in use; the laser length can reach ten meters and can rotate 360 degrees at the same time, and the working range is wider; the surveying and mapping device has the advantages of compact structure, convenient assembly and disassembly, easy transportation, simple and convenient maintenance, reduced physical expenditure and small occupied space.
Furthermore, the invention proposes a method for surveying with such a surveying device, comprising the following steps:
a) calibrating a laser transmitter;
b) assembling the laser emitter;
c) centering the vehicle;
d) rotating the laser emitter and/or the connecting rod as needed;
e) adjusting the spatial position of the connecting rod to enable the laser emitted by the laser emitter to be located at a required position on the vehicle;
f) marking an intersection of the laser line and the vehicle.
The surveying and mapping method is suitable for drawing a front edge datum line, a side surface datum line, a lower bumper datum line, an upper bumper datum line and a bumper angle of the engine hood. The surveying and mapping method can also be widely applied to measuring the height of the four-wheel arch of the vehicle, the ground clearance of the front bumper middle position, the minimum ground clearance, the approach angle, the departure angle, the length, the width and the height of the vehicle, the vehicle wheelbase and the like.
The calibration of the laser transmitter comprises the following steps:
1.1) selecting a standard horizontal plane and a reference horizontal line (verified by an angle meter)
1.2) covering the measuring platform on the laser emitter (at the moment, the fastening screw is in a loosening state, and the measuring platform can rotate relative to the laser emitter)
1.3) open the angle gauge and suck the angle gauge onto a measuring platform
1.4) placing the measuring platform on a standard horizontal plane
1.5) rotating the laser emitter (with the laser emitter in an open state) relative to the central axis of the joint, observing the projected laser line so that the laser line coincides with the horizontal line
1.6) tightening a fastening screw of the measuring platform to fixedly connect the measuring platform with the laser transmitter.
The laser emitter assembly includes the steps of:
2.1) selecting the correct connector (straight connector or right-angle connector) according to the line segment type to be drawn next step
2.2) nesting the laser emitter into the joint (non-fixed connection)
2.3) adjusting the fastening screw of the joint (for adjusting the direct tightness of the laser transmitter and the joint, but not fixedly connecting) to ensure that the laser transmitter can normally rotate (relative to the central axis of the joint) and can be kept at any angle
2.4) adjusting Phi angle (angle around Y axis) and Gamma angle (angle around Z axis) of the impact rod of the multifunctional impact device to 0 °
2.5) opening the laser emitter and mounting the joint on the impact rod of the multifunctional impact equipment
2.6) opening the goniometer, observing the goniometer reading and rotating the measuring platform (which is now fixedly connected to the laser transmitter and rotates together about the central axis of the joint) so that the goniometer reading appears as the required value (the value required in the specification, or the value required in operational use)
2.7) the projected laser line is made to fall on the area to be drawn by adjusting the values of the impact rod of the multifunctional impact device on the X-axis, the Y-axis and the Z-axis.
Fig. 5 shows the arrangement of the mapping device 9 and the vehicle 8 during vehicle centering at an angle of 90 ° of the straight joint, the vehicle centering comprising the following steps (before this operation is performed, the calibration assembly operation is completed):
3.1) rotate the angle to 90 using the goniometer (at which time the goniometer is sucked onto the measuring platform, the goniometer and laser transmitter can be considered to have been integrated. The angle is the angle of the laser transmitter relative to the central axis of the joint)
3.2) moving the striking rod of the multifunction striking device into position (e.g. Y-direction middle position of the multifunction striking device)
3.3) stopping the vehicle to the front head of the multifunctional impact equipment facing the impact rod
3.4) adjusting the Y value coordinate of the impact rod of the multifunctional impact equipment to observe whether the laser line track is coincided with the central line of the vehicle
3.5) fine-tuning the vehicle position until the two coincide.
Fig. 6 shows the arrangement of the surveying and mapping device and the vehicle when surveying and mapping the lateral reference line when applying the 45 degree angle of the straight joint, the surveying and mapping of the lateral reference line comprises the following steps:
4.1) the angle calibration assembly and vehicle centering operation are required to be completed before the operation is executed
4.2) rotating the angle of the laser transmitter to 45 DEG with respect to the central axis of the joint using an angle meter
4.3) enabling the projected laser line to fall on the area needing to be drawn by adjusting the XYZ value of the impact rod of the multifunctional impact device
4.4) finding the forefront point of the X direction of the laser falling on the vehicle and marking by using a Mark pen
And 4.5) adjusting the Y value or the Z value to move the laser to draw the whole lateral reference line.
Fig. 7 shows the arrangement of the surveying and mapping device and the vehicle when the bumper angle is surveyed when the straight joint is combined with the impact rod Phi of the multifunctional impact device to rotate, and the survey of the bumper angle comprises the following steps:
5.1) before this operation is performed, calibration assembly and vehicle centering operation need to be completed
5.2) rotating the angle of the laser transmitter to 30 DEG with respect to the central axis of the joint using an angle meter
5.3) rotating the impact rod Phi of the multifunctional impact device to-90 DEG
5.4) heightening the Z value of the impact rod of the multifunctional impact equipment
5.5) adjusting the X value of the impact rod of the multifunctional impact equipment to find the landing point of the laser on the vehicle
5.6) marking the Bumper Angle with a Mark Pen
Comparing the results of the laser mapping method with the results of the prior traditional method, and determining that the laser mapping method is completely consistent with the drop point positions of the prior traditional method through a plurality of positions.
FIG. 8 shows the mapping of the hood leading edge datum line, bumper upper datum line and bumper lower datum line when the right angle joint is combined with the multifunctional impact device. The procedure is similar to the lateral reference line procedure.
Fig. 9 shows the arrangement of the surveying device and the vehicle when the approach angle of the vehicle is measured, the assembly of the laser transmitter, the measuring platform and the angle gauge being shown in the lower left of the drawing. The measurement of the approach angle of the vehicle comprises the following steps: the laser emitter is placed on the horizontal ground, and the laser projection direction is parallel to the transverse direction (Y direction) of the vehicle. The angle gauge is placed on the measuring platform, and the measuring platform is rotated to enable the projected laser to be tangent to the outer edge of the wheel and the protruding part of the front section of the vehicle respectively. The value displayed by the angle meter is the approach angle of the vehicle. The angle obtained by the laser mapping direction is completely consistent with the measurement result of the traditional method through comparison. Similarly, a measurement of the departure angle may be made.
The laser surveying and mapping method and the surveying and mapping device of the invention abandon the traditional mechanical structure scribing mode, utilize the linear propagation characteristic of the laser to cooperate with the multifunctional impact equipment to use, keep the accuracy consistent with that of the traditional mechanical scribing tool and simultaneously achieve more portable size design (most manufacturers or detection centers for pedestrian protection tests have the multifunctional impact equipment, so the portable and portable characteristics can be achieved); a more efficient operational experience; a wider application range; a greater degree of freedom; less space is occupied.
The method mentioned in the present description is not limited to the described steps, the order of which may be changed as required.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (8)
1. A mapping apparatus, characterized in that it comprises:
a laser transmitter for emitting laser light;
an angle gauge for calibrating the orientation of the laser transmitter;
the measuring platform is fixedly connected with the laser transmitter and is used for mounting the angle instrument;
a moving mechanism having a connecting rod for moving a position of the laser transmitter in space; and
and the joint is used for fixedly connecting the laser emitter to the connecting rod.
2. The surveying arrangement according to claim 1, characterized in that the moving mechanism is a multi-function percussion device.
3. The surveying arrangement according to claim 2, characterized in that the connecting rod is an impact rod of the multifunctional impact device.
4. A surveying arrangement according to claim 3, characterized in that the joint is a straight joint or a right-angled joint,
the straight joint enables the direction of the laser emitted by the laser emitter to be parallel to the rod body of the impact rod of the multifunctional impact device,
the right-angle joint enables the direction of the laser emitted by the laser emitter to be perpendicular to the body of the impact rod of the multifunctional impact equipment.
5. Method for surveying with a surveying device according to any of claims 1 to 4, characterized in that it comprises the following steps:
a) calibrating a laser transmitter;
b) assembling the laser emitter;
c) centering the vehicle;
d) rotating the laser emitter and/or the connecting rod as needed;
e) adjusting the spatial position of the connecting rod to enable the laser emitted by the laser emitter to be located at a required position on the vehicle;
f) marking an intersection of the laser line and the vehicle.
6. The method according to claim 5, wherein step a) comprises the steps of:
a1) selecting a standard horizontal plane and a reference horizontal line;
a2) connecting a measuring platform to a laser transmitter, the measuring platform being rotatable relative to the laser transmitter;
a3) connecting an angle gauge to the measuring platform;
a4) placing the measuring platform onto the standard horizontal plane;
a5) rotating the laser transmitter to enable the emitted laser to coincide with a horizontal line;
a6) and fixedly connecting the measuring platform with the laser transmitter.
7. The method of claim 5, wherein step b) comprises the steps of:
b1) selecting a straight joint or a right-angle joint according to the requirement;
b2) sleeving the laser emitter into the joint;
b3) adjusting a fastening screw of the joint to enable the laser transmitter to normally rotate and to be kept at any angle;
b4) adjusting Phi angle and Gamma angle of the connecting rod to 0 degree;
b5) mounting the joint to the connecting rod;
b6) opening the angle meter, and rotating the measuring platform to display the reading of the angle meter as a required numerical value;
b7) the spatial position of the connecting rod is adjusted to enable the emitted laser line to fall on a required area.
8. The method according to claim 5, wherein step c) comprises the steps of:
c1) rotating the angle of the laser transmitter to 90 ° relative to the central axis of the joint using an angle meter
c2) Moving the connecting rod into position
c3) Stopping the vehicle before the moving mechanism so that the vehicle head faces the connecting rod
c4) Adjusting the Y-value coordinate of the connecting rod to observe whether the laser line track and the vehicle center line coincide
c5) And adjusting the position of the vehicle until the laser line track is coincident with the center line of the vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810244645.8A CN110296692B (en) | 2018-03-23 | 2018-03-23 | Surveying apparatus and surveying method |
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|---|---|---|---|
| CN201810244645.8A CN110296692B (en) | 2018-03-23 | 2018-03-23 | Surveying apparatus and surveying method |
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| CN110296692A CN110296692A (en) | 2019-10-01 |
| CN110296692B true CN110296692B (en) | 2021-10-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087348U (en) * | 1991-04-19 | 1991-10-23 | 沈阳灯泡厂 | Laser three-beam locating instrument |
| JP2005345415A (en) * | 2004-06-07 | 2005-12-15 | Shin Nippon Air Technol Co Ltd | Marking device, and leveling method in marking device |
| CN101078621A (en) * | 2006-05-26 | 2007-11-28 | 布莱克和戴克公司 | Light line generating assembly |
| CN201592321U (en) * | 2009-11-26 | 2010-09-29 | 贵州建新南海科技股份有限公司 | Laser positioning device for welding machine frame of wire drawing machine |
-
2018
- 2018-03-23 CN CN201810244645.8A patent/CN110296692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087348U (en) * | 1991-04-19 | 1991-10-23 | 沈阳灯泡厂 | Laser three-beam locating instrument |
| JP2005345415A (en) * | 2004-06-07 | 2005-12-15 | Shin Nippon Air Technol Co Ltd | Marking device, and leveling method in marking device |
| CN101078621A (en) * | 2006-05-26 | 2007-11-28 | 布莱克和戴克公司 | Light line generating assembly |
| CN201592321U (en) * | 2009-11-26 | 2010-09-29 | 贵州建新南海科技股份有限公司 | Laser positioning device for welding machine frame of wire drawing machine |
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| CN110296692A (en) | 2019-10-01 |
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