CN209722608U - Continuous rigid frame PC track girder precise measurement positioning device - Google Patents
Continuous rigid frame PC track girder precise measurement positioning device Download PDFInfo
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- CN209722608U CN209722608U CN201920324405.9U CN201920324405U CN209722608U CN 209722608 U CN209722608 U CN 209722608U CN 201920324405 U CN201920324405 U CN 201920324405U CN 209722608 U CN209722608 U CN 209722608U
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Abstract
The utility model discloses a kind of continuous rigid frame PC track girder precise measurement positioning devices, including left vertical bar, right vertical bar and transverse bar, three surrounds "door" type positioning framework, first, the second connecting rod left-external side for being fixedly mounted on left vertical bar horizontal at interval in the upper and lower, the vertical precession of third connecting rod is mounted on the surface of transverse bar, the outboard end of every connecting rod is mounted on prism, horizontal precession is equipped with adjusting screw at interval in the upper and lower in the right outside of right vertical bar, the left-external side of left vertical bar lower end is equipped with levelling tube, the axis of levelling tube is vertical with the axis of left vertical bar.Accurate adjustment measurement and positioning precision and operating efficiency are improved, reduces setting-out personnel safety risk, energy efficient feedback beam body accurate adjustment is as a result, instruct beam body to be accurately positioned.
Description
Technical field
The utility model relates to city rail construction technique fields, and in particular to a kind of continuous rigid frame PC erection of track beam mistake
Precise measurement positioning device used in journey, and the accurate survey using positioning device progress continuous rigid frame PC erection of track beam
Measure localization method.
Background technique
With building for No. 2 lines of Wuhu track, domestic first continuous rigid frame PC track girder is formally built applied to city rail
If.Continuous rigid frame PC track girder serves not only as the works of load-bearing in straddle-type monorail transportation system, while being also vehicle fortune
Capable track.Such continuous rigid frame PC track girder, by being integrally formed between adjacent beams using cast-in-place mode after erection,
Continuous rigid frame is formed, common Simple Rail Bearer is different from, the later period runs stable structure, with ride comfort is good, comfort level is high, operation
The advantages that speed is fast.
The production of continuous rigid frame PC track girder, the quality of installation and required precision are higher, and the precast beam after erection is before pouring
The linear accurate adjustment of track girder, the especially verticality of beam, midline shift, elevation offset etc. need to be carried out, it just can not be again once poured
It adjusts, for the erection precision of continuous rigid frame PC track girder, more stringent requirements are proposed for this.
Now currently, whether position when for continuous rigid frame PC erection of track beam without special measurement and positioning device
Meet design requirement and measures positioning, the traditional measurement setting out method of linear regulation reference Simple Rail Bearer when setting up,
Poor, low efficiency that there are positioning accuracies, setting-out personnel bridge pier, the disadvantages of setting-out personnel safety risk is high up and down repeatedly.
Utility model content
In view of the above technical problems, the utility model is intended to provide a kind of continuous rigid frame PC track girder precise measurement positioning dress
It sets, precise measurement positioning is carried out when for continuous rigid frame PC erection of track beam, improve accurate adjustment measurement and positioning precision and operation is imitated
Rate reduces setting-out personnel safety risk, and energy efficient feedback beam body accurate adjustment is as a result, instruct beam body to be accurately positioned.
For this purpose, the technology employed by the present utility model is a kind of continuous rigid frame PC track girder precise measurement positioning dress
It sets, including left vertical bar, right vertical bar and transverse bar, three surround "door" type positioning framework, further include first connecting rod, second
Connecting rod and third connecting rod, level is fixedly mounted on left vertical bar at interval in the upper and lower for the first connecting rod, the second connecting rod
Left-external side, the vertical precession of third connecting rod is mounted on the surface of transverse bar, and the outboard end of first connecting rod is equipped with
First prism, the outboard end of the second connecting rod are equipped with the second prism, and the outboard end of third connecting rod is equipped with third prism, institute
The right outside horizontal precession at interval in the upper and lower for stating right vertical bar is equipped with adjusting screw, the left-external side peace of the left vertical bar lower end
Equipped with levelling tube, and the axis of levelling tube is vertical with the axis of left vertical bar, the spacing ratio of the left vertical bar and right vertical bar
Continuous rigid frame PC track deck-siding, the precession center line of the third connecting rod on the right side of left vertical bar at a distance from be continuous rigid frame PC
The half of track beam width.
The left end of the transverse bar, which extends outwardly and combines, as a preferred embodiment of the above solution, reinforces slanted bar, with left vertical bar
Right angled triangle is surrounded, and the lower end of right angled triangle is connected with the middle and lower part of left vertical bar；To increase "door" type positioning framework
Whole stability, prevents from deforming in use process.
Further preferably, the first connecting rod is located in right angled triangle region, and the second connecting rod is located at right angle three
Outside angular domain.
Further preferably, the left vertical bar is made of tube and pipe of aluminium alloy, and right vertical bar, transverse bar use aluminium alloy
Square tube is made.It is light-weight using aluminum alloy material, facilitate installation and operates with；Left vertical bar is made of tube and pipe of aluminium alloy,
Continuous rigid frame PC track girder especially suitable for the curved section with radius of curvature, it is ensured that the side of left vertical bar and track girder is reliable
Fitting.
Meanwhile the utility model be also disclosed it is a kind of using above-mentioned continuous rigid frame PC track girder precise measurement positioning device into
The precise measurement localization method of row continuous rigid frame PC erection of track beam, comprising the following steps:
Step A, preparation；
A.1, control screen cloth is set: section CPIII control net is laid using the encryption of the high-grade control point GPS, with mono- area Liang Zhan
Between for lay section, take into account Track regularity in track girder entirety route precision and section；
A.2, bridge pier and temporary support detection: built a station, examined on the basis of section CPIII control net using high precision total station
It surveys bridge pier and whether temporary support position meets design requirement and set up condition；
A.3, beam body size detection: PC track girder beam body geometric structure diamete is detected using steel ruler, is swept using three-dimensional laser
Instrument scanning beam body is retouched, beam body torsion resistance is detected, judges whether beam body meets design requirement and set up condition；
A.4, theoretical result calculate: according to beam body size, route, superelevation design parameter, in conjunction with continuous rigid frame PC track
Structural parameters A, B, C of beam precise measurement positioning device, calculate third prism theoretical height value and midline shift value, first
The lateral shift and vertical inclination angle theoretical value of prism, the second prism, form theoretical result；Wherein, structural parameters A is the first prism
Center to left vertical bar on the right side of vertical range, structural parameters B be the second prism center to left vertical bar on the right side of it is vertical
Distance, structural parameters C are the vertical range of center to the third connecting rod bottom surface of third prism；
Step B, first beam accurate adjustment measurement and positioning；
Continuous rigid frame PC track girder precise measurement positioning device is installed in PC track girder both ends, using high precision total station with
CPIII control net in section is that benchmark resection polygon prism is built a station, and observes the first prism, the second prism, the first prism of inspection,
Whether the second prism is located on same mileage, is adjusted if any deviation；Installation site is marked after the completion of adjusting on beam to be used for
Later period repetition measurement, and the three-dimensional coordinate of the first prism of precise measurement, the second prism, third prism, inverse its stitch seam leans out line value, elevation
Value, and compared with theoretical result, live accurate adjustment is instructed, until observation and theoretical result value deviation meet design requirement,
Record location observing buoy；
Step C, adjacent beam accurate adjustment measurement and positioning；
First beam precise measurement positioning difference with step B is to increase the repetition measurement of upper a piece of casting beams, and combines multiple
It surveys achievement and takes into account the accurate positioning that this film beam is instructed in the adjacent ride comfort requirement of beam body.
The utility model has the beneficial effects that
1) it is installed on using continuous rigid frame PC track girder precise measurement positioning device and is fixed on PC track girder both ends, the device
Fixed prism and levelling tube are installed, accurate feedback beam body location parameter is used for, is avoided artificial during previous construction layout
Position prism is unstable, observation position is not fixed, repeatedly up and down bridge pier the disadvantages of, and then improve positioning accuracy, reduce and put
Sample personnel safety risk improves operating efficiency.
2) during adjacent beam accurate adjustment measurement and positioning, " continuous rigid frame PC track girder precise measurement positioning device " is installed in upper
A piece of beam pour before position location, repetition measurement upper piece casting beams position achievement, formed this film beam body relative positioning corrected parameter, In
It is corrected, has been slackened in observation process twice because of absolute position caused by error of building a station on positioning this film beam body accurate absolute position
Offset is set, has ensured the relative accuracy of adjacent beam, improves the ride comfort of adjacent beam connection.
3) section construction control network controls net using CPIII, is built a station using the control net high precision total station, accurate surveying
The installation and accurate adjustment of track girder are instructed in fixed prism position, and precision can reach submillimeter level, ensure beam body positioning measurement
Pinpoint accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of continuous rigid frame PC track girder precise measurement positioning device.
Fig. 2 is installation section of the continuous rigid frame PC track girder precise measurement positioning device on straightway PC track girder end
Figure.
Fig. 3 is installation section of the continuous rigid frame PC track girder precise measurement positioning device on curved section PC track girder end
Figure.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the utility model is described in further detail:
As shown in Figure 1, a kind of continuous rigid frame PC track girder precise measurement positioning device, mainly vertical by left vertical bar 1, the right side
Bar 2, transverse bar 3, first connecting rod 4, the second connecting rod 5, third connecting rod 6, the first prism 7, adjusting screw 8, levelling tube 9,
Reinforce slanted bar 10, the second prism 11, third prism 12 to form.
Left vertical bar 1 is made preferably with tube and pipe of aluminium alloy, and right vertical bar 2, transverse bar 3 are preferably with aluminum alloy square control
At.The "door" type positioning framework that three surrounds is aluminum alloy frame.
First connecting rod 4, the second connecting rod 5 left-external side for being fixedly mounted on left vertical bar 1 horizontal at interval in the upper and lower.First
The outboard end of connecting rod 4 is equipped with the first prism 7, and the outboard end of the second connecting rod 5 is equipped with the second prism 11.Third connecting rod
6 vertical precessions are mounted on the surface of transverse bar 3, are provided with the threaded hole passed through for third connecting rod 6 on transverse bar 3.Third connects
The outboard end of extension bar 6 is equipped with third prism 12.
The horizontal precession at interval in the upper and lower of the right outside of right vertical bar 2 is equipped with adjusting screw 8, is provided with confession in right vertical bar 2
The threaded hole that adjusting screw 8 passes through.
The left-external side of left 1 lower end of vertical bar is equipped with levelling tube 9, and the axis of levelling tube 9 and the axis of left vertical bar 1 hang down
Directly, the spacing of left vertical bar 1 and right vertical bar 2 is slightly wider than continuous rigid frame PC track girder.The precession center line of third connecting rod 6 with
The distance on left 1 right side of vertical bar is the half of continuous rigid frame PC track beam width.
Preferably, the left end of transverse bar 3, which extends outwardly and combines, reinforces slanted bar 10, surrounds right angle trigonometry with left vertical bar 1
Shape, and the lower end of right angled triangle is connected with the middle and lower part of left vertical bar 1.
In addition, first connecting rod 4 is located in right angled triangle region, the second connecting rod 5 is located at outside right angled triangle region,
To increase by the first prism 7 as far as possible at a distance from the second prism 1.
In conjunction with shown in Fig. 1-Fig. 3, continuous rigid frame PC track girder is according to linear section of component curve section and straightway, such track
The architectural characteristic that beam has beam body relatively narrow compared with jowar face.Track girder continuous rigid frame PC track girder precise measurement positioning device can pacify
On the end of the PC track girder of straightway, also it may be mounted on the end of PC track girder of curved section.
Continuous rigid frame PC track girder precise measurement positioning device should meet the following conditions in structure design:
1) 3 bottom surface of transverse bar should be perpendicular to left 1 central axis of vertical bar.
2) first connecting rod 4, the second connecting rod 5 should be fixed in left vertical bar 1, and fixed position should be as close as possible to left vertical
1 both ends of bar after installing the first prism 7, the second prism 11 respectively, measure center to left 1 right side of vertical bar of the first prism 7
Vertical range is as structural parameters A, and the vertical range on center to left 1 right side of vertical bar of the second prism 11 is as structural parameters B.
3) adjusting screw 8 should screw ability, for adjusting and fixing continuous rigid frame PC track girder precise measurement positioning dress
It is placed on PC track girder, left vertical bar 1 is enabled to be tightly attached to beam sides.
4) left-external side of left 1 lower end of vertical bar is equipped with levelling tube 9, and the axis of the axis of levelling tube 9 and left vertical bar 1
Vertically, so that when the level(l)ing bubble level of levelling tube 9, left 1 central axis of vertical bar can be located in a certain plummet face.
5) 6 precession direction of third connecting rod should be perpendicular to 3 bottom surface of transverse bar, and precession shaft centre line is right away from left vertical bar 1
Side is half deck-siding, so that precession shaft centre line is located on beam center line, after third connecting rod 6 installs third prism 12,
The vertical range of center to 6 bottom surface of third connecting rod of third prism 12 is measured as structural parameters C.
6) spacing of left vertical bar 1 and right vertical bar 2 is slightly wider than continuous rigid frame PC track girder, convenient for being fixedly mounted.
It is a kind of to carry out continuous rigid frame PC track roof beam structure using above-mentioned continuous rigid frame PC track girder precise measurement positioning device
If precise measurement localization method, comprising the following steps:
Step A, preparation；
A.1, control screen cloth is set: section CPIII control net is laid using the encryption of the high-grade control point GPS, with mono- area Liang Zhan
Between for lay section, take into account Track regularity in track girder entirety route precision and section；
Table 1, the main measuring device tool list to come into operation
Wherein GPS receiver encrypts high-grade GPS for repetition measurement and controls net, and high precision total station is controlled for section CPIII
Net testing processed and accurate positioning observation of setting a roof beam in place, continuous rigid frame PC track girder precise measurement positioning device is for accurate during setting a roof beam in place
Feed back beam body location parameter.
A.2, bridge pier and temporary support detection: built a station, examined on the basis of section CPIII control net using high precision total station
It surveys bridge pier and whether temporary support position meets design requirement and set up condition；
A.3, beam body size detection: PC track girder beam body geometric structure diamete is detected using steel ruler, is swept using three-dimensional laser
Instrument scanning beam body is retouched, beam body torsion resistance is detected, judges whether beam body meets design requirement and set up condition；
A.4, theoretical result calculate: according to beam body size, route, superelevation design parameter, in conjunction with continuous rigid frame PC track
Structural parameters A, B, C of beam precise measurement positioning device calculate the theoretical height value and midline shift value of third prism 12, the
The lateral shift and vertical inclination angle theoretical value of one prism 7, the second prism 11, form theoretical result；Wherein, structural parameters A is the
The vertical range on the center of one prism 7 to 1 right side of left vertical bar, structural parameters B are the center of the second prism 11 to left vertical bar 1
The vertical range on right side, structural parameters C are the vertical range of center to 6 bottom surface of third connecting rod of third prism 12；
Step B, first beam accurate adjustment measurement and positioning；
Continuous rigid frame PC track girder precise measurement positioning device is installed in PC track girder both ends, using high precision total station with
CPIII control net in section is that benchmark resection polygon prism is built a station, and observes the first prism 7, the second prism 11, checks the first rib
Whether mirror 7, the second prism 11 are located on same mileage, are adjusted if any deviation；Installation position is marked after the completion of adjusting on beam
It sets for later period repetition measurement, and the three-dimensional coordinate of precise measurement the first prism 7, the second prism 11, third prism 12, its route of inverse
Deviant, height value, and compared with theoretical result, live accurate adjustment is instructed, until observation and theoretical result value deviation are full
Sufficient design requirement, record location observing buoy；
Step C, adjacent beam accurate adjustment measurement and positioning；
First beam precise measurement positioning difference with step B is to increase the repetition measurement of upper a piece of casting beams, and combines multiple
It surveys achievement and takes into account the accurate positioning that this film beam is instructed in the adjacent ride comfort requirement of beam body.
The specific method is as follows: installation continuous rigid frame PC track girder precise measurement positioning device is in pouring prelocalization position, benefit
It is built a station with high precision total station using section CPIII control net as benchmark resection polygon prism, and the first prism of precise measurement 7,
Second prism 11, third prism 12 carry out checking comparison with location observation achievement, form this film beam body and position corrected parameter, In
It is corrected on positioning this film beam body accurate absolute position, so that adjacent beam connection is smooth, ensures its relative accuracy.In short,
Adjoining beam is when setting up, it is also contemplated that by the repetition measurement for increasing upper a piece of casting beams, after installing in conjunction with this film beam to upper a piece of beam
Actual error be modified, so that it is guaranteed that the ride comfort that beam body is adjacent.
Accurate adjustment guidance is carried out using fine measuring instrument when erection of track beam adjusts, by the line for being embedded in beam body and pier top
Shape adjusts the inclination angle of the screw rod adjustment beam body in device, with pier top pushing tow system call interception beam body vertical, horizontal position and elevation, adjustment
It is locked afterwards in place, repetition measurement again after 2 hours can pour after meeting linear precision.Continuous steel frame PC track girder is setting up essence
It is integrally formed between adjacent beams using cast-in-place mode after the completion of tune, forms continuous rigid frame.
Claims (4)
1. a kind of continuous rigid frame PC track girder precise measurement positioning device, it is characterised in that: vertical including left vertical bar (1), the right side
Bar (2) and transverse bar (3), three surround "door" type positioning framework, further include first connecting rod (4), the second connecting rod (5) and
Three connecting rods (6), level is fixedly mounted on left vertical bar at interval in the upper and lower for the first connecting rod (4), the second connecting rod (5)
(1) left-external side, the vertical precession of the third connecting rod (6) are mounted on the surface of transverse bar (3), first connecting rod (4)
Outboard end is equipped with the first prism (7), and the outboard end of the second connecting rod (5) is equipped with the second prism (11), third connecting rod (6)
Outboard end be equipped with third prism (12), horizontal precession is equipped with tune at interval in the upper and lower in the right outside of the right vertical bar (2)
It saves screw (8), the left-external side of left vertical bar (1) lower end is equipped with levelling tube (9), and the axis of levelling tube (9) and a left side are perpendicular
Axis to bar (1) is vertical, and the spacing of the left vertical bar (1) and right vertical bar (2) is described than continuous rigid frame PC track deck-siding
The precession center line of third connecting rod (6) on the right side of left vertical bar (1) at a distance from be continuous rigid frame PC track beam width half.
2. continuous rigid frame PC track girder precise measurement positioning device described in accordance with the claim 1, it is characterised in that: the transverse direction
The left end of bar (3), which extends outwardly and combines, reinforces slanted bar (10), surrounds right angled triangle, and right angle trigonometry with left vertical bar (1)
The lower end of shape is connected with the middle and lower part of left vertical bar (1).
3. continuous rigid frame PC track girder precise measurement positioning device according to claim 2, it is characterised in that: described first
Connecting rod (4) is located in right angled triangle region, and the second connecting rod (5) is located at outside right angled triangle region.
4. continuous rigid frame PC track girder precise measurement positioning device described in accordance with the claim 1, it is characterised in that: described left perpendicular
It is made to bar (1) of tube and pipe of aluminium alloy, right vertical bar (2), transverse bar (3) are made of aluminum alloy square tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920324405.9U CN209722608U (en) | 2019-03-14 | 2019-03-14 | Continuous rigid frame PC track girder precise measurement positioning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920324405.9U CN209722608U (en) | 2019-03-14 | 2019-03-14 | Continuous rigid frame PC track girder precise measurement positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778607A (en) * | 2019-03-14 | 2019-05-21 | 中铁隧道集团一处有限公司 | Continuous rigid frame PC track girder precise measurement positioning device and erection localization method |
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2019
- 2019-03-14 CN CN201920324405.9U patent/CN209722608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778607A (en) * | 2019-03-14 | 2019-05-21 | 中铁隧道集团一处有限公司 | Continuous rigid frame PC track girder precise measurement positioning device and erection localization method |
| CN109778607B (en) * | 2019-03-14 | 2023-08-22 | 中铁隧道集团一处有限公司 | Accurate measurement and positioning device and erection and positioning method for continuous rigid frame PC track beam |
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