CN110685193B - Adjusting device between roof beam - Google Patents
Adjusting device between roof beam Download PDFInfo
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- CN110685193B CN110685193B CN201911079277.7A CN201911079277A CN110685193B CN 110685193 B CN110685193 B CN 110685193B CN 201911079277 A CN201911079277 A CN 201911079277A CN 110685193 B CN110685193 B CN 110685193B
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- beam body
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- sleeve
- measuring rod
- inclination angle
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 41
- 239000013598 vector Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 abstract description 9
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- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
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- 239000011159 matrix material Substances 0.000 description 3
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- VZWLZIKYUNMRQG-UHFFFAOYSA-N 2-[4-[1-amino-2-(4-hydroxyphenyl)ethyl]triazol-1-yl]-1-[4-[4-[4-[2-[4-[1-amino-2-(4-hydroxyphenyl)ethyl]triazol-1-yl]-3-(1h-indol-2-yl)propanoyl]piperazin-1-yl]-6-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethylamino]-1,3,5-triazin-2-yl]piperazin-1-yl]-3-(1h-indo Chemical compound Cl.C=1N(C(CC=2NC3=CC=CC=C3C=2)C(=O)N2CCN(CC2)C=2N=C(N=C(NCCOCCOCCOCC#C)N=2)N2CCN(CC2)C(=O)C(CC=2NC3=CC=CC=C3C=2)N2N=NC(=C2)C(N)CC=2C=CC(O)=CC=2)N=NC=1C(N)CC1=CC=C(O)C=C1 VZWLZIKYUNMRQG-UHFFFAOYSA-N 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides an inter-beam adjusting device, which is used for adjusting a straddle type monorail inter-beam and comprises a sleeve, a measuring rod, an inclination angle sensor, a displacement sensor and a processor, wherein the sleeve is assembled on a first beam body; the measuring rod is assembled on the second beam body, the sleeve is provided with a containing cavity, the inclination angle sensor is arranged on the sleeve and/or the measuring rod and used for obtaining inclination angle parameters, the displacement sensor is located in the containing cavity and used for obtaining position parameters, according to the position parameters, a first coordinate of a coordinate origin of a coordinate system where the measuring rod is located in a coordinate system where the sleeve is located is determined, the relative position of the first beam body and the second beam body is determined according to the first coordinate and an inclination angle difference value, in the process of pouring the first beam body and the second beam body, the processor continuously obtains parameter signals of the displacement sensor and the inclination angle sensor, and therefore in the pouring process, the first beam body and the second beam body are prevented from being deviated and staggered, the calibration precision is guaranteed, and meanwhile the working efficiency of workers is improved.
Description
Technical Field
The invention relates to the technical field of track beams, in particular to an inter-beam adjusting device.
Background
The track beam is a continuous beam formed by pouring joints of a plurality of beam bodies, and when adjacent beam bodies are poured, if the adjacent beam bodies are staggered or offset, a train can generate large impact and vibration when passing through the joints, so that the service life of the train and the comfort of passengers are influenced.
At present, the position of the joint of the adjacent beam bodies is calibrated mainly manually, and the manual mode of calibrating the position of the adjacent beam bodies has the defects of low calibration precision and low working efficiency, so that the position of the adjacent beam bodies is adjusted by high precision and express delivery, and the problems that slab staggering and offset of the adjacent beam bodies are needed to be solved urgently are solved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
In view of the above, the present invention provides an inter-beam adjustment apparatus, including: a sleeve configured to fit over the first beam; the measuring rod is configured to be assembled on the second beam body, the sleeve is provided with an accommodating cavity suitable for the measuring rod to extend into or out of, and the inclination angle sensor is arranged on the sleeve and/or the measuring rod and is used for acquiring the inclination angle parameter of at least one end face of the first beam body and/or the second beam body and the horizontal plane; the displacement sensor is positioned in the accommodating cavity and used for acquiring position parameters of the measuring rod relative to the sleeve; and the processor is used for determining the inclination angle difference value between the inclination angle parameter and the target inclination angle parameter according to the inclination angle parameter, determining a first coordinate of the coordinate origin of the coordinate system where the measuring rod is located in the coordinate system where the sleeve is located according to the position parameter, and determining the relative position of the first beam body and the second beam body according to the first coordinate and the inclination angle difference value.
The invention provides an inter-beam adjusting device which comprises a measuring rod, a sleeve, an inclination angle sensor, a displacement sensor and a processor, wherein the sleeve and the measuring rod are respectively assembled on a first beam body and a second beam body, the displacement sensor is assembled in an accommodating cavity of the sleeve, when the measuring rod extends into the accommodating cavity, the displacement sensor is used for detecting the relative position of the measuring rod and the sleeve, the inclination angle sensor is used for being arranged on the first beam body and/or the second beam body, and the inclination angle sensor is used for detecting the inclination angle of the first beam body and/or the second beam body and the horizontal plane.
Specifically, the sleeve and the measuring rod are respectively fixed on a first beam body and a second beam body, so that the sleeve and the measuring rod are prevented from shaking relative to the first beam body and the second beam body, firstly, the tilt angle sensor is installed on the first beam body or the second beam body, for example, the tilt angle sensor is installed on the first beam body, the first beam body is a reference beam, the tilt angle sensor acquires tilt angle parameters of the first beam body and a horizontal plane, the processor determines a tilt angle difference value of the tilt angle parameters and target tilt angle parameters, for example, the target tilt angle parameter is 0 degree, a worker can adjust the tilt angle of the first beam body and the horizontal plane to be 0 degree according to the tilt angle difference value, namely, the end face of the first beam body for the train to travel is adjusted to be parallel to the horizontal plane, the measuring rod extends into the accommodating cavity, the displacement sensor acquires position parameters of the measuring rod relative to the sleeve, and determines a first coordinate of a coordinate origin of a coordinate system where the measuring rod is located in a coordinate system where, whether a first beam body and a second beam body deviate or not is determined through a first coordinate, whether a deflection angle and a slab staggering exist in the first beam body and the second beam body is determined through the first coordinate, and the deflection angle of the second beam body is adjusted through the first coordinate and the inclination angle difference, so that the end face, where the train runs, of the second beam body is kept parallel to the horizontal plane. Thereby guarantee pouring the in-process, avoid first roof beam body and second roof beam body to take place skew and wrong platform.
In addition, the adjusting device between beams provided by the technical scheme of the invention also has the following additional technical characteristics:
in any of the above technical solutions, the cross sections of the accommodating cavity and the measuring rod in the first direction are rectangular, and the first direction is a direction in which the measuring rod and the sleeve relatively move; displacement sensors are respectively arranged on at least three inner walls of the accommodating cavity, the processor determines plane equations and unit orthogonal normal vectors of the measuring rod on at least three end surfaces according to the position parameters, the unit orthogonal normal vectors correspond to the plane equations, and first coordinates are determined according to the plane equations and the unit orthogonal normal vectors.
In the technical scheme, the cross sections of the accommodating cavity and the measuring rod are rectangular, displacement sensors are arranged on three side walls of the accommodating cavity, the displacement sensors on the three side walls correspond to three end surfaces of the measuring rod, a processor determines a plane equation of the three end surfaces of the measuring rod according to position parameters, a unit orthogonal normal vector of each end face of the measuring rod can be obtained according to a plane equation, a first coordinate is determined according to the plane equation and the unit orthogonal normal vector, namely, the position of the measuring rod relative to the sleeve is determined, the position of the second beam body relative to the first beam body is further obtained, the deflection angle between the measuring rod and the sleeve is determined through unit orthogonal normal vectors of three end surfaces, thereby obtain the declination of first roof beam body and second roof beam body, be favorable to being convenient for adjust the relative position of first roof beam body and second roof beam body according to the result that the treater was handled, avoid the artifical mode of calibrating first roof beam body and second roof beam body to be difficult to guarantee the condition emergence of calibration accuracy.
In any of the above technical solutions, the inter-beam adjusting device further includes: the processor determines a second coordinate of a coordinate origin of a coordinate system in which the sleeve is positioned in a coordinate system in which the first support is positioned according to the position of the first support relative to the sleeve; the processor determines a third coordinate of a coordinate origin of a coordinate system where the second support is located in the coordinate system where the measuring rod is located according to the position of the measuring rod relative to the second support, and determines the relative position of the first beam body and the second beam body according to the first coordinate, the second coordinate, the third coordinate and the inclination angle difference.
In the technical scheme, in order to determine whether the first beam and the second beam have position deviation, a target coordinate of a coordinate origin of a coordinate system where the second beam is located in a coordinate system where the first beam is located needs to be determined, the target coordinate cannot be directly obtained, the first coordinate, the second coordinate and the third coordinate are obtained, and the processor indirectly obtains the target coordinate through the first coordinate, the second coordinate and the third coordinate, wherein the first support and the sleeve have an assembly relation, so that the position of the first support relative to the sleeve can be determined, namely the second coordinate of the coordinate origin of the coordinate system where the sleeve is located in the coordinate system where the first support is located is determined, and the position of the measuring rod relative to the second support can be determined due to the assembly relation of the second support and the measuring rod, namely the coordinate of the coordinate origin of the coordinate system where the second support is located in the coordinate system where the measuring rod is located is determined, and then obtain the target coordinate through first coordinate, second coordinate and second coordinate, the relative position of first roof beam body and second roof beam body is confirmed according to target coordinate and inclination difference to the treater to do benefit to the staff and adjust the position of second roof beam body relative first roof beam body, improve the calibration accuracy of first roof beam body and second roof beam body, avoid in the process of pouring, first roof beam body and second roof beam body take place to squint and wrong platform.
In any technical scheme, the processor determines the deflection angle of the coordinate axis of the coordinate system where the measuring rod is located relative to the coordinate axis of the coordinate system where the sleeve is located according to the unit orthogonal normal vector; and determining the relative positions of the first beam body and the second beam body according to the first coordinate, the second coordinate, the third coordinate and the deflection angle.
In the technical scheme, the processor determines the deflection angle of the coordinate axis of the coordinate system where the measuring rod is located relative to the coordinate axis of the coordinate system where the sleeve is located according to the unit orthogonal normal vector of the three end faces of the measuring rod, namely, the deflection angle of the measuring rod relative to the sleeve is determined, so that the deflection angle of the second beam relative to the first beam is obtained, and a worker can adjust the angle of the second beam relative to the first beam according to the deflection angle, so that the second beam and the first beam are prevented from being staggered.
In any of the above technical solutions, the inter-beam adjusting device further includes: the first driving piece is arranged on the first beam body and/or the second beam body and can drive the measuring rod to at least partially extend into or extend out of the accommodating cavity.
In this technical scheme, first driving piece sets up on first roof beam body and/or second roof beam body, and first driving piece can drive measuring stick or sleeve removal, and the measuring stick stretches into and holds the intracavity to make displacement sensor can acquire measuring stick and telescopic relative position relation, pour the back to the seam of first roof beam body and second roof beam body, first driving piece drive measuring stick stretches out the sleeve, and the entering is favorable to dismantling sleeve and measuring stick in first roof beam body and second roof beam body.
In any one of the above technical solutions, the first bracket and the second bracket include: the bearing part is used for bearing the measuring rod and the sleeve; the clamping parts are positioned at two sides of the bearing part; the second driving piece is arranged on the bearing part and used for driving the clamping part to move relative to the bearing part so that the clamping part is abutted against or away from the opposite side surfaces of the first beam body and the second beam body.
In this technical scheme, the supporting part plays the bearing effect to sleeve and measuring stick, make sleeve and measuring stick be difficult for relative first roof beam body and second roof beam body to take place to rock, the second driving piece can drive the clamping part removal of supporting part both sides, the clamping part offsets with first roof beam body and second roof beam body opposite flank, the clamping part centre gripping is in first roof beam body and second roof beam body, thereby make the supporting part be difficult for relative first roof beam body and second roof beam body to remove, improve the stability of sleeve and measuring stick when first roof beam body and second roof beam body alignment.
In any of the above technical solutions, the second driving member is a threaded screw rod disposed on the bearing portion; the clamping part is provided with a threaded hole in threaded connection with the threaded screw rod, and the threaded holes in the clamping parts on two sides of the bearing part are opposite in rotating direction.
In the technical scheme, the threaded holes in the clamping parts are in threaded connection with the threaded screw rod, so that when the threaded screw rod is rotated, the clamping parts can move relative to the threaded screw rod, the rotating directions of the threaded holes of the two clamping parts are opposite, when the threaded screw rod is rotated towards the first direction, the two clamping parts simultaneously move towards the direction close to the opposite side faces of the first beam body and the second beam body, so that the two clamping parts are clamped on the first beam body and the second beam body, and when the threaded screw rod is rotated towards the second direction, the two clamping parts move towards the direction away from the opposite side faces of the first beam body and the second beam body, so that the adjusting device between the beams can be conveniently detached from the first beam body and the second beam body.
In any of the above aspects, the clamping portion comprises: the nut seat is provided with a threaded hole; and the clamping plate is assembled on the nut seat and used for abutting against the opposite side surfaces of the first beam body and the second beam body.
In this technical scheme, the grip block assembles on the nut seat, and the nut seat rotates relative to the screw lead screw to drive the relative screw lead screw of grip block and remove, the grip block offsets with the relative side of first roof beam body and second roof beam body, thereby when proofreading to first roof beam body and second roof beam body, avoids sleeve and measuring stick to take place to rock relative first roof beam body and second roof beam body.
In any of the above technical solutions, the inter-beam adjusting device further includes: the locating plate is arranged on the bearing part and used for abutting against the opposite side faces of the first beam body and the second beam body so as to limit the measuring rod assembly and the sleeve assembly to shake relative to the first beam body and the second beam body.
In this technical scheme, the locating plate can offset with the opposite flank of first roof beam body and second roof beam body, the locating plate can carry out the prepositioning to the load-carrying part, offset through the opposite flank of locating plate and first roof beam body and second roof beam body, the first roof beam body of second driving piece drive clamping part centre gripping and second roof beam body of not only being convenient for, also can avoid the relative first roof beam body of load-carrying part and second roof beam body to appear rocking simultaneously, improve displacement sensor monitoring measuring stick and sleeve relative position's accuracy, and then improve first roof beam body and second roof beam body alignment precision and pour the precision.
In any of the above technical solutions, the bearing part is provided with a chute for the positioning plate to slide; the adjusting device between roof beam still includes: the locking piece is assembled on the bearing part and used for unlocking or locking the positioning plate on the bearing part so that the positioning plate can slide relative to the sliding groove or be fixed on the bearing part.
In this technical scheme, the locating plate can slide to the spout, after adjusting the interval of the locating plate of supporting part both sides, locks the locating plate in the supporting part through the retaining member, avoids the relative supporting part of locating plate to remove, adjusts through the interval to the locating plate of supporting part both sides to make the locating plate can the centre gripping on the roof beam body of unidimensional not, improve adjusting device's between the roof beam practicality.
Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an inter-beam adjusting apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 4 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 5 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 6 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 7 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
fig. 8a is a schematic structural diagram of an electric control cabinet provided by an embodiment of the invention;
FIG. 8b is a cross-sectional view in the direction A-A of FIG. 8 a;
fig. 8c is a schematic structural diagram of an electric control cabinet according to another embodiment of the present invention;
fig. 8d is a schematic structural diagram of an electric control cabinet according to another embodiment of the present invention;
fig. 8e is a schematic structural diagram of an electric control cabinet according to another embodiment of the present invention;
FIG. 9 shows a control flow diagram of an industrial personal computer in one embodiment of the invention;
FIG. 10 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 11 is a schematic view of an inter-beam adjustment apparatus according to another embodiment of the present invention;
FIG. 12 is a schematic view showing the structure of an inter-beam adjusting apparatus according to still another embodiment of the present invention;
fig. 13 is a schematic structural diagram of an inter-beam adjusting apparatus according to still another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 13 is:
the measuring device comprises a sleeve 1, a measuring rod 2, a first beam body 3, a second beam body 4, a first support 5, a bearing part 51, a clamping part 52, a second driving part 53, a second support 6, a positioning plate 7 and an electric control cabinet 8.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
An inter-beam adjustment apparatus provided according to some embodiments of the present invention is described below with reference to fig. 1 to 13.
The invention provides an adjusting device between beams, which is shown in a combined figure 1 and a figure 2 and comprises: a sleeve 1, a measuring rod 2, a tilt sensor, a displacement sensor and a processor, the sleeve 1 being configured to be adapted to be mounted on a first beam 3; the measuring rod 2 is configured to be assembled on the second beam body 4, the sleeve 1 is provided with a containing cavity suitable for the measuring rod 2 to extend into or out of, and the inclination angle sensor is arranged on the sleeve 1 and/or the measuring rod 2 and is used for acquiring the inclination angle parameter of at least one end surface of the first beam body 3 and/or the second beam body 4 and the horizontal plane; the displacement sensor is positioned in the accommodating cavity and used for acquiring position parameters of the measuring rod 2 relative to the sleeve 1; the processor is used for determining an inclination angle difference value between the inclination angle parameter and a target inclination angle parameter according to the inclination angle parameter, determining a first coordinate of a coordinate origin of a coordinate system where the measuring rod 2 is located in the coordinate system where the sleeve 1 is located according to the position parameter, and determining the relative position of the first beam body 3 and the second beam body 4 according to the first coordinate and the inclination angle difference value.
The adjusting device between beams provided by the embodiment of the invention comprises a sleeve 1, a measuring rod 2, an inclination angle sensor, a displacement sensor and a processor, wherein the sleeve 1 and the measuring rod 2 are respectively assembled on a first beam body 3 and a second beam body 4, the displacement sensor is assembled in an accommodating cavity of the sleeve 1, when the measuring rod 2 extends into the accommodating cavity, the displacement sensor is used for detecting the relative position of the measuring rod 2 and the sleeve 1, the inclination angle sensor is arranged on the first beam body 3 and/or the second beam body 4, and the inclination angle sensor is used for detecting the inclination angle of the first beam body 3 and/or the second beam body 4 and the horizontal plane.
Specifically, the sleeve 1 and the measuring rod 2 are respectively fixed on a first beam body 3 and a second beam body 4, so that the sleeve 1 and the measuring rod 2 are prevented from shaking relative to the first beam body 3 and the second beam body 4, firstly, the tilt angle sensor is installed on the first beam body 3 or the second beam body 4, for example, the tilt angle sensor is installed on the first beam body 3, the first beam body 3 is a reference beam, the tilt angle sensor acquires tilt angle parameters of the first beam body 3 and a horizontal plane, the processor determines a tilt angle difference value between the tilt angle parameters and target tilt angle parameters, for example, the target tilt angle parameter is 0 degree, a worker can adjust the tilt angle between the first beam body 3 and the horizontal plane to be 0 degree according to the tilt angle difference value, namely, the end face of the first beam body 3 for train traveling is adjusted to be parallel to the horizontal plane, the measuring rod 2 is extended into the accommodating cavity, the displacement sensor acquires position parameters of the measuring rod 2 relative to the sleeve 1, and according to, determining a first coordinate of a coordinate origin of a coordinate system where the measuring rod 2 is located in the coordinate system where the sleeve 1 is located, determining whether the first beam body 3 and the second beam body 4 deviate or not through the first coordinate, determining whether a deflection angle and a slab staggering exist in the first beam body 3 and the second beam body 4 or not through the first coordinate, and adjusting the deflection angle of the second beam body 4 by combining a first coordinate and an inclination angle difference value because the first beam body 3 is a reference beam so that the end face of the second beam body 4 for the train to travel is parallel to a horizontal plane, wherein a processor in the device determines the relative position and the deflection angle between the measuring rod 2 and the sleeve 1 through parameter signals of a displacement sensor and an inclination angle sensor, and further determines the relative position between the first beam body 3 and the second beam body 4, so that a worker can conveniently adjust the relative position between the first beam body 3 and the second beam body 4 to ensure the calibration accuracy, meanwhile, the working efficiency of workers is improved, and the processor continuously acquires parameter signals of the displacement sensor and the inclination angle sensor in the pouring process of the first beam body 3 and the second beam body 4, so that the first beam body 3 and the second beam body 4 are prevented from being deviated and staggered in the pouring process.
Adjusting device between roof beam contains industrial computer, router and panel computer, and the industrial computer is controlled adjusting device between roof beam and is measured, and under same LAN, the three-dimensional model of wrong platform data and roof beam body is looked over in real time to the accessible panel computer, and is simple and clear, and constructor can know the relative position of first roof beam body 3 and second roof beam body 4 very fast, and can a plurality of roof beam bodies adjust simultaneously. And the construction efficiency is greatly improved.
In an embodiment of the present invention, centers of the sleeve 1 and the measuring rod 2 are respectively disposed on center lines of the first beam 3 and the second beam 4, and when the center lines of the first beam 3 and the second beam 4 are located on the same straight line, that is, when the first beam 3 and the second beam 4 are aligned with each other and do not deviate, a center connecting line of the sleeve 1 and the measuring rod 2 and center lines of the first beam 3 and the second beam 4 are located on the same straight line, so as to avoid that the sleeve 1 and the measuring rod 2 are installed in a misaligned manner to affect calibration work on the first beam 3 and the second beam 4.
Referring to fig. 1, 3, 4 and 8a to 8e, the adjusting device between beams includes at least one sleeve 1, a measuring rod 2, an electric control cabinet 8 and a tablet computer, wherein fig. 8a, 8b, 8c, 8d and 8e are structural diagrams of the electric control cabinet 8, the sleeve 1 is installed at a beam end of a fixed beam (a first beam body 3), the measuring rod 2 is installed at a beam end of a measured beam (a second beam body 4), a pouring belt to be poured is arranged between the sleeve 1 and the measuring rod 2, the measuring rod 2 extends into the sleeve 1, the sleeve 1 is an active device, the measuring rod 2 is a passive device, the sleeve 1 is provided with a displacement sensor and an inclination angle sensor (the inclination angle sensor can also be installed on the first beam body 3 and the second beam body 4), a power supply and a WIFI device are placed in the electric control computer 8, an upper surface of the electric control computer 8 is provided with an industrial personal computer capable of controlling the displacement sensor and the inclination angle sensor to measure, the measurement data can be checked on the tablet computer in real time.
The industrial personal computer and the tablet personal computer are respectively provided with developed matched software, wherein the development flow chart of the industrial personal computer software is as shown in figure 9:
step S102, user online notification;
step S104, setting a host;
step S106, setting the number of the local machine;
step S108, beam end measurement;
step S110, the host number is set, if not, S106 is executed, and if yes, S112 is executed;
step S112, starting beam end measurement;
step S114, the beam end measurement is stopped.
As shown in fig. 8a to 8e, the electric control cabinet 8 includes therein a serial communication server, a WIFI module, a cable, and an industrial personal computer.
As shown in fig. 2 and 5, in the above embodiment, the section of the accommodating chamber and the measuring rod 2 in the first direction is rectangular, and the first direction is the direction in which the measuring rod 2 and the sleeve 1 move relatively; displacement sensors are respectively arranged on at least three inner walls of the accommodating cavity, the processor determines plane equations and unit orthogonal normal vectors of the measuring rod 2 on at least three end surfaces according to the position parameters, the unit orthogonal normal vectors correspond to the plane equations, and first coordinates are determined according to the plane equations and the unit orthogonal normal vectors.
In the embodiment, the cross sections of the accommodating cavity and the measuring rod 2 are rectangular, displacement sensors are arranged on three side walls of the accommodating cavity, the displacement sensors on the three side walls correspond to three end faces of the measuring rod 2, the processor determines a plane equation of the three end faces of the measuring rod 2 according to the position parameters, a unit orthogonal normal vector of each end face of the measuring rod 2 can be obtained according to the plane equation, a first coordinate, namely the position of the measuring rod 2 relative to the sleeve 1 is determined according to the plane equation and the unit orthogonal normal vector, further the position of the second beam 4 relative to the first beam 3 is obtained, an offset angle between the measuring rod 2 and the sleeve 1 is determined according to the unit orthogonal normal vectors of the three end faces, so that the offset angle between the first beam 3 and the second beam 4 is obtained, and the relative positions of the first beam 3 and the second beam 4 can be conveniently adjusted according to the result processed by the processor, the situation that the mode of avoiding artifical calibration first roof beam body 3 and second roof beam body 4 is difficult to guarantee the calibration accuracy takes place.
3 displacement sensor of top surface and side respectively installation in holding the chamber, 1 displacement sensor of terminal surface installation, this 7 displacement sensor's laser point beat to stretch into sleeve 1 on measuring stick 2, through measuring the position relation of measuring stick 2 relative sleeve 1, and then reachs the relative position relation of fixed beam and surveyed roof beam.
The 3 displacement sensors are arranged on the top surface and the side surface of the accommodating cavity, because three points can establish a plane, and under the condition of determining unit orthogonal normal vectors of the top surface and the side surface of the measuring rod 2, a plane equation and the unit orthogonal normal vectors of the end surface can be obtained by arranging one displacement sensor on the end surface.
As shown in fig. 1, in the above embodiment, the inter-beam adjusting apparatus further includes: a first bracket 5 and a second bracket 6, wherein the first bracket 5 is configured to be assembled on the first beam body 3, the sleeve 1 is arranged on the first bracket 5, and the processor determines a second coordinate of the coordinate origin of the coordinate system where the sleeve 1 is located in the coordinate system where the first bracket 5 is located according to the position of the first bracket 5 relative to the sleeve 1; the second support 6 is configured to be adapted to be mounted on the second beam 4, the measuring rod 2 is arranged on the second support 6, the processor determines a third coordinate of the origin of coordinates of the coordinate system where the second support 6 is located in the coordinate system where the measuring rod 2 is located according to the position of the measuring rod 2 relative to the second support 6, and determines the relative position of the first beam 3 and the second beam 4 according to the first coordinate, the second coordinate, the third coordinate and the tilt difference.
In this embodiment, in order to determine whether there is a positional deviation between the first beam 3 and the second beam 4, it is necessary to determine a target coordinate of the origin of coordinates of the coordinate system of the second beam 4 in the coordinate system of the first beam 3, acquire the first coordinate, the second coordinate, and the third coordinate because the target coordinate cannot be directly obtained, and indirectly obtain the target coordinate through the first coordinate, the second coordinate, and the third coordinate by the processor, wherein since the first support 5 and the sleeve 1 have an assembly relationship, the position of the first support 5 relative to the sleeve 1 can be determined, that is, the second coordinate of the origin of coordinates of the coordinate system of the sleeve 1 in the coordinate system of the first support 5 is determined, and since the second support 6 and the measurement rod 2 have an assembly relationship, the position of the measurement rod 2 relative to the second support 6 can be determined, that is, the coordinate of the origin of coordinates of the coordinate system of the second support 6 in the coordinate system of the measurement rod 2 is determined, and then obtain the target coordinate through first coordinate, second coordinate and third coordinate, the relative position of first roof beam body 3 and second roof beam body 4 is confirmed to the treater according to target coordinate and inclination difference to do benefit to the staff and adjust the position of second roof beam body 4 relative first roof beam body 3, improve the calibration accuracy of first roof beam body 3 and second roof beam body 4, avoid pouring the in-process, first roof beam body 3 and second roof beam body 4 take place skew and wrong platform.
Specifically, the coordinate origin of the coordinate system where the second beam 4 is located is set with X, Y, and Z axes at the target coordinate in the coordinate system where the first beam 3 is located, where the X axis is the extending direction of the first beam 3 and the second beam 4, when the target coordinate is Y and the coordinate in the Z axis direction is 0, it indicates that the first beam 3 and the second beam 4 are not shifted, and when the coordinate of the target coordinate in the Y and Z axis directions has a numerical value, it is necessary to adjust the position of the second beam 4 relative to the first beam 3.
In the embodiment, the processor determines the deflection angle of the coordinate axis of the coordinate system where the measuring rod 2 is located relative to the coordinate axis of the coordinate system where the sleeve 1 is located according to the unit orthogonal normal vector; and determining the relative positions of the first beam body 3 and the second beam body 4 according to the first coordinate, the second coordinate, the third coordinate and the deflection angle.
In this embodiment, the processor determines the deflection angle of the coordinate axis of the coordinate system where the measuring rod 2 is located with respect to the coordinate axis of the coordinate system where the sleeve 1 is located according to the unit orthogonal normal vectors of the three end surfaces of the measuring rod 2, that is, determines the deflection angle of the measuring rod 2 with respect to the sleeve 1, and further obtains the deflection angle of the second beam 4 with respect to the first beam 3, and the worker can adjust the angle of the second beam 4 with respect to the first beam 3 according to the deflection angle, so that the second beam 4 and the first beam 3 are prevented from being mistakenly stepped.
In the above embodiment, the inter-beam adjusting device further includes: the first driving piece is arranged on the first beam body 3 and/or the second beam body 4 and can drive the measuring rod 2 to at least partially extend into or extend out of the accommodating cavity.
In this embodiment, first driving piece sets up on first roof beam body 3 and/or second roof beam body 4, and first driving piece can drive measuring stick 2 or sleeve 1 and remove, and measuring stick 2 stretches into and holds the intracavity to make displacement sensor can acquire the relative position relation of measuring stick 2 and sleeve 1, pour the seam of first roof beam body 3 and second roof beam body 4 after, first driving piece drive measuring stick 2 stretches out sleeve 1, the entering is favorable to dismantling sleeve 1 and measuring stick 2 in first roof beam body 3 and second roof beam body 4.
In the above embodiment, as shown in fig. 1, 6 and 7 in combination, the first bracket 5 and the second bracket 6 include: the bearing part 51, the clamping part 52 and the second driving part 53, and the measuring rod 2 and the sleeve 1 are borne on the bearing part 51; the clamping parts 52 are positioned at two sides of the bearing part 51; the second driving member 53 is disposed on the bearing portion 51, and the second driving member 53 is used for driving the clamping portion 52 to move relative to the bearing portion 51, so that the clamping portion 52 abuts against opposite side surfaces of the first beam body 3 and the second beam body 4 or is away from the opposite side surfaces of the first beam body 3 and the second beam body 4.
In this embodiment, the bearing portion 51 bears the sleeve 1 and the measuring stick 2, so that the sleeve 1 and the measuring stick 2 are not prone to shaking relative to the first beam body 3 and the second beam body 4, the second driving member 53 can drive the clamping portions 52 on two sides of the bearing portion 51 to move, the clamping portions 52 abut against the opposite side faces of the first beam body 3 and the second beam body 4, the clamping portions 52 are clamped on the first beam body 3 and the second beam body 4, so that the bearing portion 51 is not prone to moving relative to the first beam body 3 and the second beam body 4, and stability of the sleeve 1 and the measuring stick 2 in calibration of the first beam body 3 and the second beam body 4 is improved.
In the above embodiment, the second driving member 53 is a screw thread screw provided on the bearing part 51; the clamping portion 52 is provided with a threaded hole which is in threaded connection with the threaded screw rod, and the threaded holes on the clamping portion 52 on both sides of the bearing portion 51 are opposite in rotation direction.
In this embodiment, the threaded holes of the clamping portions 52 are threadedly connected to the threaded screw rod, so that when the threaded screw rod is rotated, the clamping portions 52 can move relative to the threaded screw rod, the threaded holes of the two clamping portions 52 are rotated in opposite directions, when the threaded screw rod is rotated in a first direction, the two clamping portions 52 simultaneously move toward a direction close to the opposite sides of the first beam body 3 and the second beam body 4, so that the two clamping portions 52 are clamped to the first beam body 3 and the second beam body 4, and when the threaded screw rod is rotated in a second direction, the two clamping portions 52 move toward a direction away from the opposite sides of the first beam body 3 and the second beam body 4, so that the inter-beam adjusting device can be conveniently detached from the first beam body 3 and the second beam body 4.
In the above embodiment, the clamping portion 52 includes: the nut seat is provided with a threaded hole; the clamping plate is assembled on the nut seat and used for abutting against the opposite side faces of the first beam body 3 and the second beam body 4.
In this embodiment, the clamping plate is assembled on the nut seat, the nut seat rotates relative to the threaded screw rod, so as to drive the clamping plate to move relative to the threaded screw rod, and the clamping plate abuts against the opposite side surfaces of the first beam body 3 and the second beam body 4, so that when the first beam body 3 and the second beam body 4 are calibrated, the sleeve 1 and the measuring rod 2 are prevented from shaking relative to the first beam body 3 and the second beam body 4.
In the above embodiment, as shown in fig. 1 and 2, the inter-beam adjusting device further includes: and the positioning plate 7 is arranged on the bearing part 51, and the positioning plate 7 is used for abutting against the opposite side surfaces of the first beam body 3 and the second beam body 4 so as to limit the measuring rod 2 assembly and the sleeve 1 assembly to shake relative to the first beam body 3 and the second beam body 4.
In this embodiment, the positioning plate 7 can offset from the opposite side surfaces of the first beam body 3 and the second beam body 4, the positioning plate 7 can pre-position the bearing part 51, and offset from the opposite side surfaces of the first beam body 3 and the second beam body 4 through the positioning plate 7, so that the second driving part 53 can drive the clamping part 52 to clamp the first beam body 3 and the second beam body 4, and meanwhile, the bearing part 51 can be prevented from shaking relative to the first beam body 3 and the second beam body 4, the accuracy of the relative position of the displacement sensor monitoring measuring rod 2 and the sleeve 1 is improved, and the calibration precision and the pouring precision of the first beam body 3 and the second beam body 4 are improved.
Wherein, the positioning plate 7 is configured to have a cross-sectional area larger than the clamping plate, so that the positioning plate 7 has a larger contact area with the side surfaces of the first beam body 3 and the second beam body 4, the positioning plate 7 is parallel to the side surfaces of the first beam body 3 and the second beam body 4, the measuring rod 2 is prevented from measuring under the condition of inclination, and the positioning plate 7 is further ensured to limit the bearing part 51 from deflecting relative to the first beam body 3 and the second beam body 4.
In the above embodiment, the bearing part 51 is provided with a sliding slot for the positioning plate 7 to slide; the adjusting device between roof beam still includes: and the locking piece is assembled on the bearing part 51 and is used for unlocking or locking the positioning plate 7 on the bearing part 51 so that the positioning plate 7 can slide relative to the sliding chute or the positioning plate 7 is fixed on the bearing part 51.
In this embodiment, the positioning plate 7 can slide relative to the sliding groove, after the distance between the positioning plates 7 on two sides of the bearing part 51 is adjusted, the positioning plate 7 is locked on the bearing part 51 through the locking part, the positioning plate 7 is prevented from moving relative to the bearing part 51, and the distance between the positioning plates 7 on two sides of the bearing part 51 is adjusted, so that the positioning plate 7 can be clamped on beams with different sizes, and the practicability of the adjusting device between the beams is improved.
For the beam end offset and slab staggering detection, a beam-to-beam adjustment algorithm is adopted to obtain slab staggering quantities of a known beam (a first beam body 3) and a measured beam (a second beam body 4) in the longitudinal direction, the transverse direction and the vertical direction of the beam, and a yaw angle, a roll angle and a pitch angle of the measured beam relative to a fixed beam through data measured by a plurality of displacement sensors and inclination sensors, as shown in fig. 10, B is a beam end coordinate system (a coordinate system of a first support 5) of the first beam body 3, S is a sensor coordinate system (a coordinate system of a sleeve 1), P is a measuring rod coordinate system (a coordinate system of a measuring rod 2), and T is a beam end coordinate system (a coordinate system of a second support 6) of the second beam body 4. The origin points of the coordinate systems B and T are respectively arranged on the center lines of the two beam bodies, the X direction is along the center line direction, the Y direction is the transverse direction of the beam, and the Z direction is the vertical direction. When the user uses adjusting device between the roof beam, hope to see the wrong platform of three directions of two roof beam bodies to and, the contained angle of three side, the volume of waiting to solve is:
1. origin O of coordinate system TTCoordinates (X) in a coordinate system BT YT ZT)；
2. Attitude angle (α) of coordinate system T in coordinate system BTβTγT) I.e. the rotation angle of the coordinate system T with respect to the X-axis, Y-axis and Z-axis of the coordinate system B, respectively.
Solving:
step 1: using homogeneous coordinate representation, then OTThe coordinates in B can be expressed as:
in the formula
For a fixed and invariant transformation matrix, only the requirement is to find
To obtain OT。
From the known parameters of the structural model, it is possible to measure directly:
solving the transformation matrix
According to the principle of determining 1 plane by 3 points, the side surface, the top surface and the end surface are determined step by step.
(1) Determination of the side surface:
referring to fig. 10 and 11, point A, B, C lies in the XOZ plane of sensor coordinate system S, which is the intersection of the laser lines of the 3 laser displacement sensors and the XOZ plane, and has known coordinates set as:
A＝(XA YA ZA)；
B＝(XB YB ZB)；
C＝(XC YC ZC)；
the intersection points of the laser line of the displacement sensor and the side surface of the measuring rod 2 are respectively set as A ', B ' and C ', and the laser line is perpendicular to the XOZ plane, so that the laser line and the point A, B, C are only different in Y coordinate and the same in X and Z coordinates. It can be set as follows:
A’＝(XA YA-ΔYA ZA)；
B’＝(XB YB-ΔYB ZB)；
C’＝(XC YC-ΔYC ZC)；
wherein, DeltaYA、ΔYB、ΔYCIs the measured value (corrected) of the displacement sensor.
Then it can be obtained:
B′A′＝(XA-XB YA-ΔYA-YB+ΔYB ZA-ZB)；
B′C′＝(XC-XB YC-ΔYC-YB+ΔYB ZC-ZB)；
the normal vector of the plane A ' B ' C ' is calculated to obtain:
the direction is in accordance with the right-hand rule, and the centroid point of the triangle delta A ' B ' C ' is known
M＝(XM YM ZM)
＝((XA+XB+XC)/3(YA+ΔYA+YB+ΔYB+YC+ΔYC)/3(ZA+ZB+ZC)/3)，
Located on a plane, therefore, using the equation of the point method, the equation for the plane a ' B ' C ' is:
Xn(X-XM)+Yn(Y-YM)+Zn(Z-ZM)＝0，
(2) determination of the top surface:
from the derivation of the equation for the plane of the side surface, as shown in fig. 10 and 12, the normal vector of the top surface can be obtained by the same method as:
V′U′＝(XU-XV YU-YV ZU-ΔZU-ZV+ΔZV)；
V′W′＝(XW-XV YW-YW ZW-ΔZV-ZV+ΔZV)；
the center of mass is:
M'＝(XM' YM' ZM')
＝((XW+XV+XU)/3 (YW+YV+YU)/3 (ZW+ΔZW+ZV+ΔZV+ZU+ΔZU)/3)，
the plane equation is:
Xn'(X-XM')+Yn'(Y-YM')+Zn'(Z-ZM')＝0。
(3) determination of the end face:
as shown in fig. 10 and 13, the end surface is different, and when the side surface normal vector and the top surface normal vector are known, the normal vector of the end surface can be directly obtained:
if the intersection point of the displacement sensor laser line of the end face and the sensor coordinate plane is Q, the intersection point of the laser line and the end face of the measuring rod 2 is as follows:
Q'＝(XQ' YQ' ZQ')
＝(XQ+ΔXQ YQ ZQ)；
thus, the equation for the point normal of the end face is:
Xn”(X-XQ')+Yn”(Y-YQ')+Zn”(Z-ZQ')＝0，
in the above derivation, the increment Δ is defined as: the side of the quilt is positive when being close to the displacement sensor, and the side of the quilt is negative when being far away from the displacement sensor.
the coordinate values of the coordinate origin can be obtained by knowing the equations of three coordinate planes of the coordinate system of the measured rod and the simultaneous equations.
Is set as (X)o Yo Zo) Then, then
the unit vectors of the coordinate axes of the coordinate system P can be obtained by normalizing the normal vectors of all the planes, and are respectively:
from the results of the previous two steps, it is possible to obtain
As follows
end face included angle: angle 1;
top surface included angle: angle 2;
side surface included angle: angle 3;
beam roll angle of the second beam body 4 with respect to the first beam body 3: angle 4;
through the steps, the problems of low operation efficiency, poor precision and repeated adjustment caused by lack of measuring means in the installation process of the track beam are solved.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are used in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. 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 description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An inter-beam adjustment device for adjusting the relative position of two beam bodies, comprising:
a sleeve configured to fit over the first beam;
a measuring rod configured to be fitted on the second beam body, the sleeve being provided with a housing cavity adapted to the measuring rod to extend into or out of;
the inclination angle sensor is arranged on the sleeve and/or the measuring rod and is used for acquiring the inclination angle parameter between at least one end surface of the first beam body and/or the second beam body and the horizontal plane;
the displacement sensor is positioned in the accommodating cavity and used for acquiring position parameters of the measuring rod relative to the sleeve;
and the processor is used for determining an inclination angle difference value between the inclination angle parameter and a target inclination angle parameter according to the inclination angle parameter, determining a first coordinate of a coordinate origin of a coordinate system where the measuring rod is located in a coordinate system where the sleeve is located according to the position parameter and the inclination angle difference value, and determining the relative position of the first beam body and the second beam body according to the first coordinate and the inclination angle difference value.
2. The inter-beam adjustment device according to claim 1, wherein the receiving chamber and the measuring rod have a rectangular cross section in a first direction, the first direction being a direction in which the measuring rod and the sleeve relatively move;
the processor determines a plane equation and a unit orthogonal normal vector of the measuring rod on at least three end surfaces according to the position parameters, the unit orthogonal normal vector corresponds to the plane equation, and the first coordinate is determined according to the plane equation and the unit orthogonal normal vector.
3. The inter-beam adjustment apparatus of claim 2, further comprising:
a first support configured to be adapted to fit on the first beam, the sleeve being provided on the first support, the processor determining, from the position of the first support relative to the sleeve, a second coordinate of the coordinate system in which the sleeve is located, the origin of coordinates being in the coordinate system in which the first support is located;
the processor determines a third coordinate of a coordinate origin of a coordinate system where the second support is located in a coordinate system where the measuring rod is located according to the position of the measuring rod relative to the second support, and determines the relative positions of the first beam body and the second beam body according to the first coordinate, the second coordinate, the third coordinate and the inclination angle difference.
4. The inter-beam adjustment device according to claim 3, wherein the processor determines a deflection angle of a coordinate axis of a coordinate system in which the measuring rod is located with respect to a coordinate axis of a coordinate system in which the sleeve is located, based on the unit orthogonal normal vector;
and determining the relative positions of the first beam body and the second beam body according to the first coordinate, the second coordinate, the third coordinate and the deflection angle.
5. The inter-beam adjustment apparatus of claim 3, further comprising:
the first driving piece is arranged on the first beam body and/or the second beam body and can drive the measuring rod to at least partially extend into or extend out of the accommodating cavity.
6. The inter-beam adjustment apparatus of claim 3, wherein the first bracket and the second bracket comprise:
the bearing part is used for bearing the measuring rod and the sleeve;
the clamping parts are positioned on two sides of the bearing part;
the second driving piece is arranged on the bearing part and used for driving the clamping part to move relative to the bearing part so that the clamping part is abutted against or away from the opposite side surfaces of the first beam body and the second beam body.
7. The inter-beam adjustment device of claim 6, wherein the second driving member is a threaded screw provided on the bearing portion;
the clamping part is provided with a threaded hole in threaded connection with the threaded screw rod, and the threaded holes in the clamping part on two sides of the bearing part are opposite in rotating direction.
8. The inter-beam adjustment device according to claim 7, wherein the clamping portion comprises:
the nut seat is provided with the threaded hole;
and the clamping plate is assembled on the nut seat and used for abutting against the opposite side surfaces of the first beam body and the second beam body.
9. The inter-beam adjustment apparatus of claim 6, further comprising:
the positioning plate is arranged on the bearing part and used for abutting against the opposite side faces of the first beam body and the second beam body so as to limit the measuring rod and the sleeve to shake relative to the first beam body and the second beam body.
10. The inter-beam adjusting device according to claim 9, wherein the bearing portion is provided with a sliding groove for sliding the positioning plate;
the inter-beam adjusting device further includes:
the locking piece is assembled on the bearing part and used for unlocking or locking the positioning plate on the bearing part, so that the positioning plate can slide relative to the sliding groove or be fixed on the bearing part.
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| CN108759636A (en) * | 2018-04-03 | 2018-11-06 | 江苏南通三建集团股份有限公司 | Multifunctional ruler and application method for the pre-buried joint bar detection of prefabricated assembled wall column |
| WO2019029916A1 (en) * | 2017-08-07 | 2019-02-14 | Plasser & Theurer Export Von Bahnbaumaschinen Gmbh | Method and device for measuring a position on a track |
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| US7082185B2 (en) * | 2003-02-12 | 2006-07-25 | The Regents Of The University Of California | Portable imaging system method and apparatus |
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| CN1475328A (en) * | 2003-06-27 | 2004-02-18 | 上海磁悬浮交通发展有限公司 | Probe measuring locating method of super large over weight type workpiece machine processing |
| CN1986972A (en) * | 2006-11-17 | 2007-06-27 | 北京航空航天大学 | Moving position gesture measuring method based on double image sensor suitable for top bridge construction |
| CN101736661A (en) * | 2009-12-30 | 2010-06-16 | 中铁八局集团有限公司 | Fine adjusting method for track slab of slab type ballastless track |
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