CN113587893A - Range finding mechanism and mapping device - Google Patents
Range finding mechanism and mapping device Download PDFInfo
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- CN113587893A CN113587893A CN202110981342.6A CN202110981342A CN113587893A CN 113587893 A CN113587893 A CN 113587893A CN 202110981342 A CN202110981342 A CN 202110981342A CN 113587893 A CN113587893 A CN 113587893A
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- distance meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention relates to a distance measuring mechanism and a surveying and mapping device. The first direction is perpendicular to the second direction, the orientations of the measuring end of the first distance meter, the measuring end of the second distance meter, the measuring end of the third distance meter and the measuring end of the fourth distance meter are the same, the mounting frame is further provided with a fifth distance meter, and the orientation of the measuring end of the fifth distance meter is opposite to that of the measuring end of the first distance meter. The distance measuring mechanism and the surveying and mapping device are high in measuring precision and can accurately measure the length of the floor.
Description
Technical Field
The invention relates to the technical field of surveying and mapping, in particular to a distance measuring mechanism and a surveying and mapping device.
Background
Along with the development of automation and intelligent technology, more and more automation equipment has appeared and has replaced human labor, for example when laying ground plaque, can realize the automation of floor and lay through floor laying device, not only high-efficient laborsaving, can guarantee higher quality moreover.
Before the floor is laid, the construction site for laying the floor needs to be mapped, and the length of each row of the floor is determined so as to cut the floor board. The traditional surveying and mapping method is generally measured by a manual handheld distance meter or other measuring tools, the manual surveying and mapping efficiency is low, the labor cost is high, and the measuring precision is poor.
Disclosure of Invention
In view of the above, it is necessary to provide a distance measuring mechanism and a mapping device for measuring the length of the floor more accurately.
In one aspect, the present application provides a range finding mechanism, including:
the mounting frame is provided with a first distance meter and a second distance meter at intervals along a first direction; the mounting rack is provided with a third distance meter and a fourth distance meter at intervals along a second direction; the first direction is perpendicular to the second direction, the measuring ends of the first distance meter, the second distance meter, the third distance meter and the fourth distance meter are arranged in the same and coplanar direction, a fifth distance meter is further arranged on the mounting frame, and the direction of the measuring end of the fifth distance meter is opposite to the direction of the measuring end of the first distance meter;
above-mentioned range finding mechanism can keep the mounting bracket parallel with first wall through making the range finding value of first distancer, the range finding value of second distancer, the range finding value of third distancer and the range finding value homogeneous phase of fourth distancer etc to guarantee the first distancer measuring beam, the second distancer measuring beam, the third distancer measuring beam and the first wall of fourth distancer measuring beam perpendicular to. The second wall of opposite side is measured to rethread fifth distancer this moment, add the range finding value of fifth distancer and the range finding value of first distancer, in addition the installation distance of fifth distancer and first distancer, can accurately obtain the distance between first wall and the second wall, the distance between first wall and the second wall is the length that every row of floor needs to be laid promptly, avoided because the measurement error that the measurement direction that removes chassis driftage or ground unevenness lead to distance measuring mechanism and wall out of plumb lead to takes place.
The technical solution of the present application is further described below:
in one embodiment, the first adjusting assembly is connected with the mounting frame and is used for driving the mounting frame to rotate around the first direction; and the number of the first and second groups,
and the second adjusting assembly is connected with the mounting frame and is used for driving the mounting frame to rotate around the second direction.
The horizontal posture and the vertical posture of the mounting frame can be adjusted through the first adjusting component and the second adjusting component, so that the mounting frame to be measured is parallel, and the measuring light of the first distance meter, the measuring light of the second distance meter, the measuring light of the third distance meter and the measuring light of the fourth distance meter are guaranteed to be perpendicular to the wall to be measured.
In one embodiment, the first adjustment assembly comprises:
the first connecting piece is connected with the mounting frame;
the first mounting seat is connected with the second adjusting component; and the number of the first and second groups,
the first driving piece is arranged on the first mounting seat and is in driving connection with the first connecting piece, and the first driving piece is used for driving the first connecting piece to rotate around the first direction.
Through first driving piece drive first connecting piece winds first direction rotates, can realize driving the reciprocal rotation of mounting bracket around the arbitrary angle in first direction to the vertical gesture of adjustment mounting bracket.
In one embodiment, the number of the first connecting pieces is two, the two first connecting pieces are arranged on the mounting frame at intervals along the first direction, the first driving piece is arranged between the two first connecting pieces, an output shaft of the first driving piece is connected with one of the first connecting pieces, and one end, far away from the output shaft, of the first driving piece is rotatably connected with the other second connecting piece.
All set up first connecting piece through the both ends at first driving piece, guarantee that the both ends of first driving piece all have the atress, reduce the radial load of first driving piece, improve the life of first driving piece, also improve the stationarity of first adjustment subassembly.
In one embodiment, the second adjustment assembly comprises:
the second connecting piece is connected with the first mounting seat;
the second mounting seat is rotatably connected with the second connecting piece;
the second driving piece is arranged on the second mounting seat and is in driving connection with the second connecting piece, and the second driving piece is used for driving the second connecting piece to rotate around the second direction.
Through the drive of second driving piece the second connecting piece winds the second direction rotates, can realize driving the reciprocating rotation of mounting bracket around the arbitrary angle of second direction to the horizontal gesture of adjustment mounting bracket.
In one embodiment, the ranging mechanism further comprises a traverse assembly coupled to the mounting frame, the traverse assembly configured to drive the mounting frame in the first direction.
The ranging mechanism is driven to move on the movable chassis through the transverse moving assembly, so that the ranging mechanism can reach the corner area of the construction site to be measured, and the ranging mechanism can conduct all-dimensional measurement on the construction site. And the transverse moving mechanism drives the distance measuring mechanism to transversely move, so that when the length of a row of floors is measured, a plurality of measuring points can be arranged in the width range of the floors, the transverse moving mechanism drives the distance measuring mechanism to transversely move among the measuring points and measure to obtain a plurality of groups of measuring data, and then the plurality of groups of measuring data are counted and calculated to obtain a value with a small error, so that the measuring accuracy is further improved.
In one embodiment, the traversing assembly comprises:
a guide rail extending in the first direction;
the mobile station is in sliding fit with the guide rail and is connected with the mounting frame; and the number of the first and second groups,
and the driving module is connected with the mobile station and is used for driving the mobile station to move along the guide rail.
The driving module drives the moving platform to move along the guide rail, so that the mounting rack can reciprocate along the first direction.
In one embodiment, the driving module includes:
the rack is arranged in parallel with the guide rail;
and the third driving piece is arranged on the mobile station, an output shaft of the third driving piece is connected with a gear, and the gear is meshed and matched with the rack.
The third driving piece drives the gear to rotate, and the gear is meshed with the rack to be matched, so that the mobile platform can transversely move.
In one embodiment, one end of the guide rail is provided with a first stopper for limiting an initial position of the mobile station, and the other end of the guide rail is provided with a second stopper for limiting an end position of the mobile station.
The first limiting part and the second limiting part limit the position of the mobile station, so that the mobile station is prevented from being separated from the guide rail.
In one embodiment, the ranging mechanism further includes a zero sensor disposed adjacent to the first locating member, and the ranging mechanism is configured to detect whether the mobile station is located at the initial position.
The zero position sensor can ensure that the mobile station can return to the initial position before each measurement.
In one embodiment, the first range finder, the second range finder, the third range finder, the fourth range finder and the fifth range finder each comprise:
the base is fixedly connected with the mounting rack;
the shell is movably connected with the base, an opening for emitting measuring light is formed in one end of the shell, and a wiring terminal is arranged at the other end of the shell; and the number of the first and second groups,
the range finder body, the range finder body sets up in the shell, and the range finder body with binding post electric connection.
Binding post is used for walking of distancer body to draw forth, prevents on the one hand that the adjustment in-process circuit from dragging, damages the distancer body, and on the other hand makes things convenient for subsequent wiring and maintenance.
In one embodiment, the base comprises two oppositely arranged side plates and a bottom plate connecting the two side plates, the two side plates and the bottom plate form a containing groove for containing the outer shell, a horizontal adjusting piece is movably arranged on the side plates, and the horizontal adjusting piece is abutted to the outer shell; an elevation angle adjusting piece is movably arranged on the bottom plate and is abutted to the shell.
The installation posture of the distance measuring instrument body is calibrated through the horizontal adjusting piece and the elevation angle adjusting piece, and the phenomenon that light rays emitted by the distance measuring instrument body due to errors of machining, assembling, matching and the like are inclined with the mounting frame at the beginning is avoided, so that the distance measuring precision is further improved.
On the other hand, this application still provides a mapping device, mapping device is including removing chassis and foretell range finding mechanism, range finding mechanism sets up remove on the chassis.
Above-mentioned mapping device adjusts the range finding value to first distancer through the horizontal gesture and the vertical gesture of first adjustment subassembly and second adjustment subassembly to the mounting bracket, the range finding value of second distancer, the range finding value of third distancer and the range finding value homogeneous phase of fourth distancer are equal, can make the mounting bracket parallel with first wall, thereby guarantee the measuring beam of first distancer, the measuring beam of second distancer, the measuring beam of third distancer and the first wall of fourth distancer measuring beam perpendicular to. At the moment, the second wall surface on the other side is measured by the fifth distance meter, the distance measuring value of the fifth distance meter is added with the distance measuring value of the first distance meter, and the distance between the first wall surface and the second wall surface can be accurately obtained by adding the installation distance between the fifth distance meter and the first distance meter. The measuring error caused by the fact that the measuring direction of the distance measuring mechanism is not perpendicular to the wall surface due to the fact that the moving chassis drifts or the ground is uneven is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 diagram of a surveying apparatus according to an embodiment;
FIG. 2 is a schematic structural diagram of a distance measuring mechanism according to an embodiment;
FIG. 3 is a schematic structural diagram of the distance measuring mechanism shown in FIG. 2 from another perspective;
FIG. 4 is a side view of the ranging mechanism shown in FIG. 2;
FIG. 5 is a first schematic view of the ranging mechanism shown in FIG. 2 with the range finder hidden;
FIG. 6 is a second schematic structural diagram of the ranging mechanism shown in FIG. 2 with the range finder hidden;
FIG. 7 is a schematic structural diagram of a range finder according to an embodiment;
FIG. 8 is a schematic view of the rangefinder shown in FIG. 7 in another perspective;
FIG. 9 is a schematic diagram of the rangefinder shown in FIG. 1 during operation;
fig. 10 is a schematic diagram illustrating the operation of the distance measuring mechanism according to an embodiment.
Description of reference numerals:
10. moving the chassis; 20. a distance measuring mechanism; 21. a mounting frame; 211. a first range finder; 212. a second rangefinder; 213. a third range finder; 214. a fourth rangefinder; 215. a fifth rangefinder; 22. a first adjustment assembly; 221. a first connecting member; 222. a first driving member; 223. a first mounting seat; 224. a ball bearing; 23. a second adjustment assembly; 231. a second connecting member; 232. a second driving member; 233. a second mounting seat; 234. a crossed roller bearing; 24. a traversing assembly; 241. a guide rail; 242. a mobile station; 243. a rack; 244. a third driving member; 245. a gear; 246. a first limit piece; 247. a second limiting member; 251. a base; 2511. a side plate; 2512. a base plate; 252. a housing; 253. a rangefinder body; 2541. a horizontal adjustment member; 2542. an elevation adjustment member; 91. a first wall surface; 92. a second wall surface.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Specifically, one aspect of the present application provides a mapping device for mapping various construction sites. Specifically, referring to fig. 1, the surveying apparatus of an embodiment includes a moving chassis 10 and a distance measuring mechanism 20 disposed on the moving chassis 10, and the moving chassis 10 is used for driving the distance measuring mechanism 20 to move. Further, taking the example of the mapping device used for mapping the construction site before the floor is laid, referring to fig. 1, in the mapping process, the mobile chassis 10 moves close to one of the wall surfaces, and the distance measuring mechanism 20 measures the distance between two opposite wall surfaces 90 in the construction site, so as to obtain the required laid length of each row of the floor. In order to ensure the accuracy of measurement, the posture of the distance measuring mechanism 20 needs to be adjusted during the measurement process, so that the measuring light emitted by the distance measuring mechanism 20 is always perpendicular to the wall surface.
Based on this, the application also provides a distance measuring mechanism 20 in another aspect, and in particular, referring to fig. 2 to 4, the distance measuring mechanism 20 of an embodiment includes a mounting frame 21, a first adjusting assembly 22 and a second adjusting assembly 23, wherein the mounting frame 21 is provided with a first distance meter 211 and a second distance meter 212 at intervals along a first direction, and the mounting frame 21 is provided with a third distance meter 213 and a fourth distance meter 214 at intervals along a second direction. The first direction is perpendicular to the second direction, and preferably, in this embodiment, the first direction is a horizontal direction, and the second direction is a vertical direction. And the measuring ends of the first distance meter 211, the second distance meter 212, the third distance meter 213 and the fourth distance meter 214 are in the same orientation, and the mounting frame 21 is further provided with a fifth distance meter 215, wherein the orientation of the measuring end of the fifth distance meter 215 is opposite to that of the measuring end of the first distance meter 211.
Specifically, the measuring end refers to an end of the distance meter emitting measuring light. Further, in this embodiment, the measuring end of the first distance meter 211, the measuring end of the second distance meter 212, the measuring end of the third distance meter 213 and the measuring end of the fourth distance meter 214 all face the first wall 91, and the measuring end of the first distance meter 211, the measuring end of the second distance meter 212, the measuring end of the third distance meter 213 and the measuring end of the fourth distance meter 214 are coplanar, that is, the measuring end of the first distance meter 211, the measuring end of the second distance meter 212, the measuring end of the third distance meter 213 and the measuring end of the fourth distance meter 214 are located on the same measuring reference plane, and the measuring reference plane is parallel to the surface of the mounting frame 21. Correspondingly, the fifth distance meter 215 is directed towards the second wall surface 92.
Further, referring to fig. 5 to 6, a first adjustment assembly 22 is connected to the mounting frame 21, and the first adjustment assembly 22 is used for driving the mounting frame 21 to rotate in a first direction. Specifically, in this embodiment, the first adjusting component 22, the third distance meter 213 and the fourth distance meter 214 form a vertical adjusting mechanism, when the measurement values of the third distance meter 213 and the fourth distance meter 214 are not equal, it represents that the vertical posture of the mounting frame 21 is not parallel to the first wall 91, the mounting frame 21 can be driven to rotate around the horizontal direction by the first adjusting component 22, so that the measurement values of the third distance meter 213 and the fourth distance meter 214 are equal, that is, the vertical posture of the mounting frame 21 can be adjusted to be parallel to the first wall 91.
Further, a second adjustment assembly 23 is coupled to the mounting frame 21, and the second adjustment assembly 23 is configured to drive the mounting frame 21 to rotate in a second direction. In this embodiment, the second adjusting component 23, the first distance meter 211 and the second distance meter 212 form a horizontal adjusting mechanism, when the measurement values of the first distance meter 211 and the second distance meter 212 are not equal, it represents that the horizontal posture of the mounting frame 21 is not parallel to the first wall 91, the mounting frame 21 can be driven to rotate around the vertical direction by the second adjusting component 23, so that the measurement values of the third distance meter 213 and the fourth distance meter 214 are equal, and the horizontal posture of the mounting frame 21 can be adjusted to be parallel to the first wall 91.
Referring to fig. 9, the distance measuring mechanism 20 adjusts the horizontal posture and the vertical posture of the mounting frame 21 through the first adjusting component 22 and the second adjusting component 23, when the distance measuring values of the first distance measuring device 211, the second distance measuring device 212, the third distance measuring device 213 and the fourth distance measuring device 214 are equal, that is, the posture adjustment of the mounting frame 21 is completed, and at this time, the mounting frame 21 is parallel to the first wall 91, so as to ensure that the measuring light of the first distance measuring device 211, the measuring light of the second distance measuring device 212, the measuring light of the third distance measuring device 213 and the measuring light of the fourth distance measuring device 214 are perpendicular to the first wall 91. At this time, the second wall surface 92 on the other side is measured by the fifth distance meter 215, and the distance between the first wall surface 91 and the second wall surface 92 can be accurately obtained by adding the distance value L3 of the fifth distance meter 215 to the distance value L1 of the first distance meter 211 and adding the installation distance L2 between the fifth distance meter 215 and the first distance meter 211. The measurement error caused by the fact that the measurement direction of the distance measuring mechanism 20 is not perpendicular to the wall surface due to the fact that the moving chassis 10 is drifted or the ground is uneven is avoided.
Further, the method for measuring the distance between the first wall surface 91 and the second wall surface 92 based on the distance measuring mechanism 20 includes the following steps:
s110, the measuring direction of the distance measuring mechanism 20 is approximately perpendicular to the first wall surface 91.
And S120, controlling the first distance meter 211, the second distance meter 212, the third distance meter 213 and the fourth distance meter 214 to obtain the distance from the respective measuring end to the first wall surface 91, and respectively outputting a first distance measurement value.
S130, acquiring a first offset angle of the mounting frame 21 relative to the first wall surface 91 in the horizontal direction according to the difference value between the first ranging value of the first ranging instrument 211 and the first ranging value of the second ranging instrument 212 and the distance between the first ranging instrument 211 and the second ranging instrument 212;
specifically, referring to fig. 10, the distance d between the first distance meter 211 and the second distance meter 212 is a fixed value, so that the first offset angle a of the mounting frame 21 in the horizontal direction with respect to the first wall surface 91 can be obtained by calculating the difference between the first distance value of the first distance meter 211 and the first distance value of the second distance meter 212 and then using the arctangent function.
S140, acquiring a second offset angle of the mounting rack 21 relative to the first wall surface 91 in the vertical direction according to the difference value between the first distance measuring value of the third distance measuring instrument 213 and the first distance measuring value of the fourth distance measuring instrument 214 and the distance between the third distance measuring instrument 213 and the fourth distance measuring instrument 214;
similarly, the distance between the third distance meter 213 and the fourth distance meter 214 is also a known fixed value, so that the second offset angle of the mounting frame 21 in the vertical direction relative to the first wall surface 91 can be obtained by calculating the difference between the first distance value of the third distance meter 213 and the first distance value of the fourth distance meter 214 and then using the arctan function.
S150, respectively sending the first offset angle and the second offset angle to a first adjusting assembly 22 and a second adjusting assembly 23, wherein the first adjusting assembly 22 drives the mounting frame 21 to rotate around the horizontal direction by an angle opposite to the second offset angle according to the second offset angle so as to adjust the vertical posture of the mounting frame 21, and the second adjusting assembly drives the mounting frame 21 to rotate around the vertical direction by an angle opposite to the first offset angle according to the first offset angle so as to adjust the horizontal posture of the mounting frame 21, so that the mounting frame 21 is finally parallel to the first wall surface 91;
s150, controlling the first distance meter 211, the second distance meter 212, the third distance meter 213 and the fourth distance meter 214 again to obtain the distance from the respective measuring end to the first wall surface 91, and respectively outputting a second distance measurement value; controlling the fifth distance measuring instrument 215 to obtain the distance from the measuring end of the fifth distance measuring instrument to the second wall surface 92 and outputting a third distance measuring value;
s150, calculating the average value of the second distance measuring values acquired by the first distance measuring instrument 211, the second distance measuring instrument 212, the third distance measuring instrument 213 and the fourth distance measuring instrument 214; a fixed distance value from the measuring end of the fifth distance meter 215 to the measuring end of the first distance meter 211 is obtained along the measuring light direction, and the sum of the average value, the fixed distance value and the third distance value is calculated to obtain the distance between the first wall surface 91 and the second wall surface 92.
Further, referring to fig. 5 to 6, the first adjustment assembly 22 includes a first connecting member 221, a first mounting seat 223, and a first driving member 222. The first connecting member 221 is connected to the mounting frame 21; the first mounting seat 223 is connected with the second adjusting assembly 23; the first driving member 222 is disposed on the first mounting seat 223, and the first driving member 222 is in driving connection with the first connecting member 221, and the first driving member 222 is used for driving the first connecting member 221 to rotate around a first direction, i.e. a horizontal direction.
Preferably, there are two first connecting members 221, two first connecting members 221 are disposed on the mounting frame 21 at intervals along the first direction, the first driving member 222 is disposed between the two first connecting members 221, an output shaft of the first driving member 222 is connected to one of the first connecting members 221, and an end of the first driving member 222 away from the output shaft is rotatably connected to the other second connecting member 231. Preferably, one end of the first driving member 222 away from the output shaft is rotatably connected to the second connecting member 231 through the ball bearing 224, so as to ensure that both ends of the first driving member 222 are stressed, reduce the radial load of the first driving member 222, prolong the service life of the first driving member 222, and improve the stability of the first adjusting assembly 22. Preferably, the first driving member 222 is a stepping motor, and the first driving member is directly connected to the first connecting member 221 by using the stepping motor, so that the mounting frame 21 can rotate back and forth in any angle in the first direction.
Further, referring to fig. the second adjustment assembly 23 includes a second connector 231, a second mounting seat 233 and a second driving member 232, wherein the second connecting plate is connected with the first mounting seat 223 of the first adjustment assembly 22. The second mounting seat 233 is rotatably connected to the second connecting member 231, the second driving member 232 is disposed on the second mounting seat 233, and the second driving member 232 is drivingly connected to the second connecting member 231, and the second driving member 232 is configured to drive the second connecting member 231 to rotate around the second direction. Preferably, the second mounting seat 233 is rotatably coupled to the second link 231 by a cross roller bearing 234. Specifically, the second mounting seat 233 has a mounting plate, both sides of the mounting plate are provided with positioning flanges, the second driving member 232 and the cross roller bearing 234 are respectively mounted on the two positioning flanges, the second connecting member 231 is provided with a boss, the boss is matched with an inner hole of the cross roller bearing 234, the boss is further provided with a connecting hole, an output shaft of the second driving member 232 passes through the cross roller bearing 234 and is inserted in the connecting hole, and the output shaft of the second driving member 232 is fixed with the second connecting member 231 through a fastening screw. By driving the second link 231 to rotate by the second driving member 232, the crossed roller bearing 234 guides the rotation of the second link 231, and prevents the second driving member 232 from bearing a large load. Preferably, the second driving member 232 can also be a stepping motor, so as to realize the reciprocating rotation of the mounting frame 21 about any angle in the second direction.
Further, referring to fig. 5 and 6, the ranging mechanism 20 further includes a traverse assembly 24, the traverse assembly 24 being coupled to the mounting frame 21, the traverse assembly 24 being configured to drive the mounting frame 21 to move in the first direction. Specifically, since the ranging mechanism 20 is disposed on the mobile chassis 10, if the ranging mechanism 20 is fixed on the mobile chassis 10, when the mobile chassis 10 is parked at a corner region of a construction site, the mobile chassis 10 occupies a certain spatial position, and the ranging mechanism 20 cannot measure the corner region of the construction site. By arranging the traverse component 24, the ranging mechanism 20 is driven to move on the movable chassis 10 through the traverse component 24, so that the ranging mechanism 20 reaches corner areas to be measured, and the omnibearing measurement of the ranging mechanism 20 on a construction site is realized. And the transverse moving mechanism drives the distance measuring mechanism 20 to transversely move, so that when the length of a row of floors is measured, a plurality of measuring points can be arranged in the width range of the floors, the transverse moving mechanism drives the distance measuring mechanism 20 to transversely move among the measuring points and measure to obtain a plurality of groups of measuring data, and then the plurality of groups of measuring data are counted and calculated to obtain a value with a small error, so that the measuring accuracy is further improved.
Specifically, the traverse assembly 24 includes a guide rail 241, a moving stage 242, and a drive module, wherein the guide rail 241 extends in a first direction. A moving stage 242, the moving stage 242 being slidably fitted with the guide rail 241, and the moving stage 242 being connected with the mounting frame 21. Preferably, in the present embodiment, the second adjusting assembly 23 is disposed on the mobile station 242, that is, the mobile station 242 is indirectly connected to the mounting frame 21 through the first adjusting assembly 22 and the second adjusting assembly 23. The driving module is connected to the moving stage 242, and the driving module is configured to drive the moving stage 242 to move along the guide rail 241, so as to drive the mounting frame 21, the first adjusting assembly 22, and the second adjusting assembly 23 to move along the guide rail 241. Further, in the present embodiment, the driving module includes a rack 243 and a third driving member 244, and the rack 243 is disposed in parallel with the guide rail 241. The third driving member 244 is disposed on the moving stage 242, and an output shaft of the third driving member 244 is connected with a gear 245, and the gear 245 is engaged with the rack 243. It should be noted that in another embodiment, the driving module may also be a timing belt mechanism, a lead screw and nut mechanism, an electric push rod, or the like.
Further, referring to fig. 3, one end of the guide rail 241 is provided with a first stopper 246 for limiting an initial position of the mobile station 242, and the other end of the guide rail 241 is provided with a second stopper 247 for limiting an end position of the mobile station 242. The moving stage 242 is prevented from separating from the guide rail 241 by the position limitation of the first position-limiting member 246 and the second position-limiting member 247.
The ranging mechanism 20 further includes a zero sensor disposed adjacent to the first limiting member 246, and the ranging mechanism 20 is used for detecting whether the mobile station 242 is located at the initial position. Specifically, before ranging, when the null sensor detects that the mobile station 242 is not at the initial position, the driving module drives the mobile station 242 to return to the initial position, and then the ranging mechanism 20 starts ranging. During ranging, the mobile chassis 10 stops first, the mobile station 242 is driven by the driving module to move along the guide rail 241 for a fixed length distance, when the mobile station 242 moves for a certain distance, the ranging mechanism 20 performs measurement once to record a set of data, when the mobile station 242 moves to the position of the second limit part 247, namely the end position, the measurement is completed, the mobile station 242 returns to the initial position under the driving of the driving module, the mobile chassis 10 moves forward to the laying position of the next row of floors and stops, and the ranging mechanism 20 performs the next measurement.
Further, in order to avoid the damage or winding of the wires during the traverse of the distance measuring mechanism 20, the distance measuring mechanism 20 is further provided with a drag chain for accommodating the wires of the distance measuring mechanism 20.
Further, referring to fig. 7 and 8, each of the first distance meter 211, the second distance meter 212, the third distance meter 213, the fourth distance meter 214, and the fifth distance meter 215 includes a base 251, a housing 252, and a distance meter body 253, wherein the base 251 is fixedly connected with the mounting frame 21. Shell 252 and base 251 swing joint, the one end of shell 252 is equipped with the opening that is used for measuring light and jets out, and the other end of shell 252 is equipped with binding post, and binding post is used for walking of distancer body 253 to draw forth, prevents on the one hand that the adjustment in-process circuit from dragging, damages the distancer body, and on the other hand makes things convenient for subsequent wiring and maintenance. The distance measuring instrument body 253 is arranged in the shell 252, and the distance measuring instrument body 253 is electrically connected with the wiring terminal.
Further, the base 251 includes two side plates 2511 disposed oppositely and a bottom plate 2512 connecting the two side plates 2511, the two side plates 2511 and the bottom plate 2512 form a receiving groove for receiving the housing 252, a horizontal adjusting member 2541 is movably disposed on the side plate 2511, and the horizontal adjusting member 2541 abuts against the housing 252; an elevation angle adjuster 2542 is movably provided on the bottom plate 2512, and the elevation angle adjuster 2542 abuts against the housing 252. Specifically, the horizontal adjusting piece 2541 and the elevation angle adjusting piece 2542 are both threaded pieces, the horizontal adjusting piece 2541 and the elevation angle adjusting piece 2542 are in threaded connection with the base 251, the horizontal intersection between the shell 252 and the range finder body can be adjusted by loosening the horizontal adjusting piece 2541, and the pitch angle between the shell 252 and the range finder body can be adjusted by rotating the length of the elevation angle adjusting piece 2542 inserted into the base 251. Thereby calibrate the installation gesture of distancer body 253 through horizontal adjusting part 2541 and elevation angle adjusting part 2542, avoid because the light that distancer body 253 jetted out that the error of processing, assembly, cooperation etc. leads to at the initial time with mounting bracket 21 slope to further improve range finding precision.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (13)
1. A ranging mechanism, comprising:
the mounting frame is provided with a first distance meter and a second distance meter at intervals along a first direction; the mounting rack is provided with a third distance meter and a fourth distance meter at intervals along a second direction; the first direction is perpendicular to the second direction, the orientation of the measuring end of the first distance meter, the orientation of the measuring end of the second distance meter, the orientation of the measuring end of the third distance meter and the orientation of the measuring end of the fourth distance meter are the same and arranged in a coplanar mode, a fifth distance meter is further arranged on the mounting frame, and the orientation of the measuring end of the fifth distance meter is opposite to the orientation of the measuring end of the first distance meter.
2. The ranging mechanism as recited in claim 1, further comprising:
the first adjusting assembly is connected with the mounting frame and is used for driving the mounting frame to rotate around the first direction; and the number of the first and second groups,
and the second adjusting assembly is connected with the mounting frame and is used for driving the mounting frame to rotate around the second direction.
3. A ranging mechanism as claimed in claim 2 wherein the first adjustment assembly comprises:
the first connecting piece is connected with the mounting frame;
the first mounting seat is connected with the second adjusting component; and the number of the first and second groups,
the first driving piece is arranged on the first mounting seat and is in driving connection with the first connecting piece, and the first driving piece is used for driving the first connecting piece to rotate around the first direction.
4. A ranging mechanism as claimed in claim 3, wherein there are two first connectors, two first connectors are provided on the mounting bracket at intervals along the first direction, the first driving member is provided between the two first connectors, and an output shaft of the first driving member is connected to one of the first connectors, and an end of the first driving member remote from the output shaft is rotatably connected to the other second connector.
5. A ranging mechanism as claimed in claim 3 wherein the second adjustment assembly comprises:
the second connecting piece is connected with the first mounting seat;
the second mounting seat is rotatably connected with the second connecting piece;
the second driving piece is arranged on the second mounting seat and is in driving connection with the second connecting piece, and the second driving piece is used for driving the second connecting piece to rotate around the second direction.
6. A ranging mechanism as claimed in claim 1 further comprising a traverse assembly coupled to the mounting frame for driving movement of the mounting frame in the first direction.
7. A ranging mechanism as claimed in claim 6 wherein the traverse assembly comprises:
a guide rail extending in the first direction;
the mobile station is in sliding fit with the guide rail and is connected with the mounting frame; and the number of the first and second groups,
and the driving module is connected with the mobile station and is used for driving the mobile station to move along the guide rail.
8. The ranging mechanism as recited in claim 7, wherein the drive module comprises:
the rack is arranged in parallel with the guide rail;
and the third driving piece is arranged on the mobile station, an output shaft of the third driving piece is connected with a gear, and the gear is meshed and matched with the rack.
9. The range finding mechanism of claim 7 wherein one end of the guide rail is provided with a first stopper for limiting an initial position of the mobile station, and the other end of the guide rail is provided with a second stopper for limiting an end position of the mobile station.
10. The range finder mechanism of claim 8, further comprising a zero sensor disposed adjacent to the first stop member, the range finder mechanism configured to detect whether the mobile station is located at the initial position.
11. The ranging mechanism as recited in claim 1 wherein the first range finder, the second range finder, the third range finder, the fourth range finder and the fifth range finder each comprise:
the base is fixedly connected with the mounting rack;
the shell is movably connected with the base, an opening for emitting measuring light is formed in one end of the shell, and a wiring terminal is arranged at the other end of the shell; and the number of the first and second groups,
the range finder body, the range finder body sets up in the shell, and the range finder body with binding post electric connection.
12. A ranging mechanism as claimed in claim 10 wherein the base comprises two side plates and a bottom plate connecting the two side plates, the two side plates and the bottom plate forming a receiving slot for receiving the housing, the side plates being movably provided with a horizontal adjusting member, and the horizontal adjusting member abutting against the housing; an elevation angle adjusting piece is movably arranged on the bottom plate and is abutted to the shell.
13. A surveying arrangement comprising a moving chassis and a range finding mechanism as claimed in any one of claims 1 to 12, the range finding mechanism being provided on the moving chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981342.6A CN113587893A (en) | 2021-08-25 | 2021-08-25 | Range finding mechanism and mapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981342.6A CN113587893A (en) | 2021-08-25 | 2021-08-25 | Range finding mechanism and mapping device |
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| Publication Number | Publication Date |
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| CN113587893A true CN113587893A (en) | 2021-11-02 |
Family
ID=78239688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110981342.6A Withdrawn CN113587893A (en) | 2021-08-25 | 2021-08-25 | Range finding mechanism and mapping device |
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| CN (1) | CN113587893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105764A (en) * | 2023-04-03 | 2023-05-12 | 新乡市高发勘测规划有限公司 | Building engineering planning measuring device |
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Application publication date: 20211102 |