CN109596093B - Measuring device and method for shield launching base lofting - Google Patents
Measuring device and method for shield launching base lofting Download PDFInfo
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- CN109596093B CN109596093B CN201811376296.1A CN201811376296A CN109596093B CN 109596093 B CN109596093 B CN 109596093B CN 201811376296 A CN201811376296 A CN 201811376296A CN 109596093 B CN109596093 B CN 109596093B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention relates to a measuring device and a method for shield launching base lofting, wherein a tower ruler of the measuring device is fixed on four corner points of a shield machine launching base track through a tower ruler fixing device, and a tower ruler marking device is arranged on the tower ruler and is used for marking the height difference of the shield machine launching base; the translational measuring frame is provided with an infrared ray line projector and a handheld distance meter and is erected on the axis position of the transmitting base. The invention can observe the position deviation of the transmitting base more conveniently and rapidly in real time by adopting the infrared ray line-casting instrument and the sliding staff fixing device, and solves the problems that the plane of the transmitting base needs to be measured by a total station instrument firstly, and then the elevations of four corners of the transmitting base are measured one by using a leveling instrument, the original adjusted points can change when the rest points are adjusted because the four points can not be adjusted synchronously, the measurement workload is large, the time consumption is long, and the measurement error is easily caused by manual placement due to repeated measurement and repeated adjustment.
Description
Technical Field
The invention relates to a measuring device in shield method tunnel construction, in particular to a measuring device and a method for shield launching base lofting.
Background
As the application of shield construction in a newly-built tunnel in China is more and more extensive, the lofting and positioning of a shield machine launching base are important before the shield machine is started, in order to accurately position the shield machine launching base, professional measuring personnel are usually required to perform lofting measurement, and in most cases, the measurement lofting work of a shield machine and a transmitter base cannot be performed in a proper place due to water accumulation and field reasons in a shield end well foundation pit due to complicated and variable working conditions in a construction site.
During actual construction lofting, the planar position lofting of the shield machine transmitting base is that the three-dimensional coordinates of the actual measurement center of the transmitting base is firstly discharged, the actual central axis of the transmitting base is calculated through the discharging door opening and the design axis, the axis of the transmitting base is discharged by using a total station, the left and right planar positions of the transmitting base are firstly adjusted according to the axis, then the elevations of four corners of the transmitting base are measured one by using a leveling instrument, the layout of a measuring station is limited only, the leveling instrument can only measure the height difference of one point independently, and the elevation of each corner of the transmitting base needs to be repeatedly measured and adjusted.
Disclosure of Invention
The invention aims to overcome the defects of the measuring method, provides the measuring device and the measuring method which are simple in operation and can be used for lofting of the transmitting base of the shield tunneling machine, and the measuring progress, the construction quality and the construction progress are effectively improved in a quick and real-time manner.
In order to achieve the purpose, the technical scheme of the invention is as follows: a measuring device for lofting of a shield launching base comprises a tower ruler, a tower ruler marking device, a tower ruler fixing device, an infrared ray demarcation device, a handheld range finder and a translatable measuring frame, wherein the tower ruler is fixed on four angular points of a shield launching base track through the tower ruler fixing device and used for measuring the elevation of the shield launching base; the tower ruler marking device is used for marking the height difference of the transmitting base of the shield tunneling machine; the translational measurement frame is provided with an infrared ray line projector and a handheld distance meter and is erected on the axis position of the emission base.
Further, the sopwith staff marking device comprises a sopwith staff marking fastening screw, a sopwith staff marking hoop and a sopwith staff marking, and the sopwith staff marking is fixedly connected to the sopwith staff through the sopwith staff marking hoop and the sopwith staff marking fastening screw.
Further, the box staff fixing device comprises a box staff fixing hoop, a box staff fixing fastening screw and strong magnets, the box staff is installed on four angular points of the shield launching base track through the box staff fixing hoop and the box staff fixing fastening screw, the strong magnets are arranged below the box staff fixing hoop, and the box staff fixing device is adjusted and fixed on the four angular points of the shield launching base track through the strong magnets.
Further, but translation measurement frame is including connecting measurement cake, movable frame, circle bubble, universal connector, foot rest, but connect the measurement cake and install on the foot rest through movable frame, be equipped with the circle bubble on the movable frame, but utilize circle bubble ann tie translation measurement frame, connect the fixed connection infrared ray appearance of throwing on the measurement cake, connect the hand-held type distancer through universal connector below.
Further, the sliding staff is an aluminum alloy standard sliding staff.
Furthermore, the infrared ray casting instrument is an infrared ray casting instrument with an automatic leveling function and a cross beam function.
A method for using a measuring device for shield launching base lofting comprises the following specific steps:
(1) firstly, measuring a three-dimensional coordinate of the center of the hole ring, and marking the bottom of the hole ring; calculating actual lofting axis data of the transmitting base according to the actually measured door opening center coordinates and the designed line axis;
(2) establishing a construction AB coordinate system, taking an actual lofting longitudinal axis of a shield machine transmitting base as an axis A, taking a transverse axis perpendicular to the shield machine transmitting base as an axis B, and taking the position of the original point of the construction coordinate system 10 meters behind the shield machine transmitting base axis as the original point of the construction AB coordinate system, namely (0, 0);
(3) the method comprises the following steps of arranging reflection sheets on the same horizontal plane height on two sides of a shield tunnel ring, measuring three-dimensional coordinates of the two reflection sheets, calculating and converting the three-dimensional coordinates into construction coordinates through a coordinate conversion method, wherein the elevation position is higher than the center elevation of a transmitting base by 50 cm, the two points are the same horizontal plane, and recording elevation data;
(4) before the emission base is installed, a translational measuring frame is erected at the axis position of the emission base, and an infrared ray demarcation device and a handheld distance meter are fixed; the erection height is the same horizontal plane of the known reflector plate;
(5) respectively measuring horizontal distances S1 and S2 between the center of the infrared ray demarcation device and reflective sheets at two sides of a shield tunnel ring by using a handheld distance meter fixed on a translational measuring frame, calculating the actual construction coordinates of the demarcation device by a measuring back intersection method, wherein the coordinate B value is the left and right horizontal distance deviating from the axis of a transmitting base of the shield machine, when the B value is not 0, the translation distance is the numerical value of the coordinate B value, the corresponding distance of the infrared ray demarcation device is translated, the value of + in the translation direction is moved leftwards in the advancing direction of the shield machine, the value of-is moved rightwards, and the coordinate value of B is re-measured to be 0, namely the infrared ray demarcation device is on the axis of the transmitting base of the shield machine; starting a cross light of the infrared ray casting instrument to enable a vertical line to be aligned to the central mark of the door opening, wherein the vertical laser line is the axis of the emission base;
(6) the method comprises the steps of installing a sliding staff fixing device at four angular points of a shield launching base track, connecting the four angular points of the shield launching base track with a fixed sliding staff, installing a sliding staff marking device, measuring the known elevation of an end well wall to obtain the horizontal elevation of an infrared ray demarcation device, calculating an elevation difference value through the designed elevation of the four angular points of the launching base and the horizontal elevation of the infrared ray demarcation device to calculate a correction number, adjusting the sliding staff marking device according to the correction number, projecting horizontal light onto the sliding staff by the infrared ray demarcation device, and adjusting the height of the shield launching base to the designed height according to the distance between the light and the mark.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention can more conveniently, quickly and intuitively reflect the plane and elevation deviation of the transmitting base of the shield tunneling machine by adopting the infrared ray line-casting instrument and the corresponding measuring device, and solves the problems that the prior method needs to firstly utilize the total station instrument to measure the axis position of the transmitting base, then uses the level instrument to measure the elevations of four angular points of the transmitting base one by one, the originally adjusted points can change when the rest points are adjusted because the four points can not be synchronously adjusted, the repeated adjustment is needed, the repeated measurement causes large measuring workload and long time consumption, the position for placing the tower ruler can not be fixed, and the measuring error is very easy to cause if the tower ruler is not placed in place manually.
Drawings
FIG. 1 is a schematic view of a measuring device for lofting a shield machine launch base according to the present invention;
FIG. 2 is a plan view of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the construction of the tape measure marking apparatus of the present invention;
wherein: (a) a front view, (b) a top view;
FIG. 5 is a schematic view of the construction of the tape measure securing apparatus of the present invention;
wherein: (a) a front view, (b) a top view;
FIG. 6 is a schematic view of the tape measure securing device, tape measure marking device and tape measure installation of the present invention;
FIG. 7 is a plan view of the translatable measurement stand of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a measuring device for shield launching base lofting comprises a sliding staff 1, a sliding staff marking device 2, a sliding staff fixing device 3, an infrared ray demarcation device 4, a handheld range finder 5 and a translatable measuring frame 6. The sliding staff 1 is fixed on four angular points of the shield tunneling machine transmitting base track through the sliding staff fixing device 3 and used for measuring the elevation of the shield tunneling machine transmitting base, and the sliding staff 1 is an aluminum alloy standard sliding staff. A box staff marking device 2 is arranged on the box staff 1; the sliding staff marking device 2 is used for marking the height difference of the transmitting base of the shield tunneling machine. The translational measuring frame 6 is provided with an infrared ray demarcation device 4 and a handheld distance measuring device 5 and is erected on the axis position of the transmitting base. The infrared ray casting instrument 4 has an automatic leveling function and a cross beam function and is erected on the measuring frame 6 capable of translating.
As shown in fig. 4(a) and (b), the sliding staff marking device 2 includes a sliding staff mark fastening screw 21, a sliding staff mark hoop 22, and a sliding staff mark 23. The sliding staff mark 23 is fixedly connected to the sliding staff 1 through the sliding staff mark hoop 22 and the sliding staff mark fastening screw 21.
As shown in fig. 5(a) and (b), the staff fixing device 3 includes a staff fixing band 31, a staff fixing fastening screw 32, and a strong magnet 33. The sliding staff 1 is installed on four corner points of the shield launching base track through a sliding staff fixing hoop 31 and a sliding staff fixing and fastening screw 32, three strong magnets 33 are arranged below the sliding staff fixing hoop 31, and the sliding staff fixing device 3 is adjusted and fixed on the corner points of the shield launching base track through the strong magnets 33, as shown in fig. 6.
As shown in fig. 7, the translatable measuring stand 6 includes a connecting measuring cake 61, a movable stand 62, a circular bubble 63, a universal connector 64, and a foot stand 65. Connect and measure cake 61 and install on foot rest 65 through movable frame 62, be equipped with circle bubble 63 on the movable frame 62, utilize circle bubble 63 peaceful translatable measurement frame 6, connect the fixed connection infrared ray appearance 4 of throwing above measuring cake 61, connect hand-held type distancer 5 below through universal connector 64.
As shown in fig. 1, 2 and 3, the specific method using the measuring device for shield launching base lofting of the invention comprises the following steps:
(1) firstly, measuring a three-dimensional coordinate of the center of the hole ring, and marking the bottom of the hole ring; calculating actual lofting axis data of the transmitting base according to the actually measured door opening center coordinates and the designed line axis;
(2) establishing a construction AB coordinate system, taking the actual lofting axis of the transmitting base of the shield tunneling machine as an A axis (longitudinal axis), taking the axis vertical to the transmitting base of the shield tunneling machine as a B axis (transverse axis), and taking the position of the original point of the construction coordinate system 10 meters behind the transmitting base axis of the shield tunneling machine as the original point of the construction AB coordinate system, namely (0, 0)
(3) Arranging reflector plates on the same horizontal plane at the two sides of the shield tunnel ring, measuring three-dimensional coordinates of the two reflector plates, calculating and converting the three-dimensional coordinates into construction coordinates by a coordinate conversion method, wherein the elevation position is higher than the center elevation of the transmitting base by 50 cm, the two points are the same horizontal plane, and recording elevation data
(4) Before the launching base is installed, the measuring station is only required to be erected at the axial line position of the launching base approximately, the translational measuring frame 6 is leveled by the circular bubble 63, the infrared ray demarcation device 4 is fixed on the connecting measuring cake 61, and the handheld distance measuring device 5 is fixed by the universal connector 64. The erection height is consistent with the height of the reflector plates on the two sides of the shield tunnel ring.
(5) Respectively measuring horizontal distances S1 and S2 between the center of the infrared ray demarcation device 4 and reflection sheets at two sides of a shield tunnel ring by using a handheld distance meter 5 fixed on a translational measuring frame 6, calculating the actual construction coordinate of the infrared ray demarcation device 4 by a measuring back intersection method, wherein the coordinate B value is the left-right horizontal distance deviated from the axis of a transmitting base of the shield machine, when the B value is not 0, the translation distance is the numerical value of the coordinate B value, namely the translation distance of the infrared ray demarcation device 4, the plus value in the translation direction is moved leftwards in the advancing direction of the shield machine, the minus value is moved rightwards, and the B coordinate value is measured again to be 0, namely the infrared ray demarcation device 4 is on the axis of the transmitting base of the shield machine; starting a cross light of the infrared ray casting instrument 4 to enable a vertical line to be aligned to the central mark of the door opening, wherein the vertical laser line is the axis of the emission base;
(6) a sopwith staff fixing device 3 is installed at four angular points of a shield launching base track, four angular points of the shield launching base track are adjusted and fixed by a strong magnet 33, a sopwith staff are fixed by a sopwith staff fixing hoop 31, sopwith staff marks 23 are installed, known elevations of the sopwith staff at the position of a well wall reflector at the end are measured by an infrared ray lining instrument 4, the horizontal plane elevation of the infrared ray lining instrument 4 is obtained, correction numbers are calculated by calculating the difference value of the design elevation of the four angular points of the launching base and the horizontal plane elevation of the infrared ray lining instrument 4, the sopwith marks 23 are adjusted to the designed height difference position according to the correction numbers, the infrared ray lining instrument 4 projects horizontal light to the sopwith 1, and the height of the shield launching base to the design height is adjusted according to the.
Claims (6)
1. The utility model provides a measuring method for shield constructs transmission base laying-out, adopts the measuring device who is used for shield to construct transmission base laying-out, and the device includes sopwith staff, sopwith staff mark device, sopwith staff fixing device, infrared ray demarcation appearance, hand-held type distancer, but translation measuring rack, its characterized in that: the tower ruler is fixed on four angular points of the shield machine transmitting base track through the tower ruler fixing device and used for measuring the elevation of the shield machine transmitting base; the tower ruler marking device is used for marking the height difference of the transmitting base of the shield tunneling machine; the translational measuring frame is provided with an infrared ray line projector and a handheld distance meter and is erected on the axis position of the transmitting base; the method comprises the following specific steps:
(1) firstly, measuring a three-dimensional coordinate of the center of the hole ring, and marking the bottom of the hole ring; calculating actual lofting axis data of the transmitting base according to the actually measured door opening center coordinates and the designed line axis;
(2) establishing a construction AB coordinate system, taking an actual lofting longitudinal axis of a shield machine transmitting base as an axis A, taking a transverse axis perpendicular to the shield machine transmitting base as an axis B, and taking the position of the original point of the construction coordinate system 10 meters behind the shield machine transmitting base axis as the original point of the construction AB coordinate system, namely (0, 0);
(3) the method comprises the following steps of arranging reflection sheets on the same horizontal plane height on two sides of a shield tunnel ring, measuring three-dimensional coordinates of the two reflection sheets, calculating and converting the three-dimensional coordinates into construction coordinates through a coordinate conversion method, wherein the elevation position is higher than the center elevation of a transmitting base by 50 cm, the two points are the same horizontal plane, and recording elevation data;
(4) before the emission base is installed, a translational measuring frame is erected at the axis position of the emission base, and an infrared ray demarcation device and a handheld distance meter are fixed; the erection height is the same horizontal plane of the known reflector plate;
(5) respectively measuring horizontal distances S1 and S2 between the center of the infrared ray casting instrument and reflective sheets at two sides of a shield tunnel ring by using a handheld distance meter fixed on a translational measuring frame, calculating the actual construction coordinates of the infrared ray casting instrument by a measuring back intersection method, wherein a coordinate B value is the left-right horizontal distance deviated from the axis of a transmitting base of the shield machine, when the B value is not 0, the translation distance is the numerical value of the coordinate B value, the corresponding distance of the infrared ray casting instrument is translated, the "+" value of the translation direction indicates that the shield machine moves leftwards in the advancing direction, the "-" value of the translation direction indicates that the shield machine moves rightwards in the advancing direction, and the coordinate value of B of the translation direction is 0 by repeated measurement, namely the infrared ray casting instrument is on the axis of the transmitting base of; starting a cross light of the infrared ray casting instrument to enable a vertical line to be aligned to the central mark of the door opening, wherein the vertical laser line is the axis of the emission base;
(6) the method comprises the steps of installing a sliding staff fixing device at four angular points of a transmitting base track of the shield tunneling machine, connecting the four angular points of the transmitting base track of the shield tunneling machine with a fixed sliding staff, installing a sliding staff marking device, measuring the known elevation of an end well wall to obtain the horizontal elevation of an infrared ray demarcation device, calculating an elevation difference value through the designed elevation of the four angular points of the transmitting base and the horizontal elevation of the infrared ray demarcation device to calculate a correction number, adjusting the sliding staff marking device according to the correction number, projecting horizontal light rays onto the sliding staff by the infrared ray demarcation device, and adjusting the height of the transmitting base of the shield tunneling machine to the designed height according to the distance between the light rays and.
2. The measurement method for shield launch base lofting of claim 1, wherein: the box staff marking device comprises a box staff marking fastening screw, a box staff marking hoop and a box staff marking, and the box staff marking is fixedly connected to the box staff through the box staff marking hoop and the box staff marking fastening screw.
3. The measurement method for shield launch base lofting of claim 1, wherein: the box staff fixing device comprises a box staff fixing hoop, a box staff fixing fastening screw and strong magnets, wherein the box staff is installed on four angular points of the shield launching base track through the box staff fixing hoop and the box staff fixing fastening screw, the strong magnets are arranged below the box staff fixing hoop, and the box staff fixing device is adjusted and fixed on the four angular points of the shield launching base track through the strong magnets.
4. The measurement method for shield launch base lofting of claim 1, wherein: but translation measurement frame is including connecting measurement cake, movable frame, circle bubble, universal connector, foot rest, but connect the measurement cake and install on the foot rest through movable frame, be equipped with the circle bubble on the movable frame, but utilize circle bubble ann tie translation measurement frame, connect the fixed connection infrared ray appearance of throwing above measuring the cake, connect the hand-held type distancer below through universal connector.
5. The measurement method for shield launch base lofting of claim 1, wherein: the sliding staff is an aluminum alloy standard sliding staff.
6. The measurement method for shield launch base lofting of claim 1, wherein: the infrared ray casting instrument is an infrared ray casting instrument with an automatic leveling function and a cross beam function.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811376296.1A CN109596093B (en) | 2018-11-19 | 2018-11-19 | Measuring device and method for shield launching base lofting |
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| CN201811376296.1A CN109596093B (en) | 2018-11-19 | 2018-11-19 | Measuring device and method for shield launching base lofting |
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| CN109596093B true CN109596093B (en) | 2021-02-02 |
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| CN205785181U (en) * | 2016-06-17 | 2016-12-07 | 中国建筑第六工程局有限公司 | Adjustable Sopwith staff fixed mount |
| CN107966133A (en) * | 2018-01-15 | 2018-04-27 | 季志博 | Railway manually track lifting elevation laser control apparatus and its elevation control method |
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