CN105002936A - Non-forced centering CPIII measuring method for railroad bed section - Google Patents
Non-forced centering CPIII measuring method for railroad bed section Download PDFInfo
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- CN105002936A CN105002936A CN201510298147.8A CN201510298147A CN105002936A CN 105002936 A CN105002936 A CN 105002936A CN 201510298147 A CN201510298147 A CN 201510298147A CN 105002936 A CN105002936 A CN 105002936A
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- forced centering
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- leveling
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the measuring field and in particular to a non-forced centering CPIII measuring method for a railroad bed section. The method is characterized by at least including the following steps that an embedded rod penetrates a CPIII measuring point of a railroad bed section site, the embedded rod is embedded in an underground soil mass of a railroad shoulder, and a core marking head is installed at the top end of the embedded rod; a forced centering stand is installed on the top face of the core marking head and adjusted to be horizontal; and after being installed on the forced centering stand, a measuring prism is used for conducting CPIII measurement. The method has the beneficial effects that a foundation of the non-forced centering CPIII measuring point of the railroad bed section can be arranged on the site; the structure is simple, reasonable and reusable; and the problems that in a conventional railroad CPIII measuring method, a CPIII pile needs to be embedded, the road foundation needs to be evacuated, railway line safety is affected, the pile is not embedded stably, a work period is long, and cost is high are solved, and the non-forced centering CPIII measuring method is suitable for being popularized.
Description
Technical field
The present invention relates to fields of measurement, particularly relate to for railway bed location optional centering CPIII measuring method.
Background technology
As everyone knows, the optional centering CPIII in current railway bed location measures normally to adopt and pours into a mould a pile foundation in measurement point and then in pile foundation, arrange that the bracing frame of measuring prism realizes, but this technology exists following shortcoming:
1, speed per hour is less than the railway of 200km/h, and piling prepressing is not carried out in its roadbed location, therefore on its roadbed, carries out borehole pile anchoring, easily causes existing line generation sedimentation, and then affects traffic safety.
Its stake position imbedded of roadbed of 2, not carrying out piling prepressing is unstable, Settlement and displacement change easily occurs, thus causes survey data misalignment.
3, the conventional stake method for position imbedded, long in time limit, cost is large.
4, both wired for still in operation, carry out CPIII point and to bury underground and measurement has more restriction, security risk is large, and greatly, new measuring method can reduce security risk to the security risk brought for conventional CPIII measurement greatly.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art, provide for railway bed location optional centering CPIII measuring method, in measurement point in-site measurement desired location, realize high-precision CPIII and measure.
The object of the invention realizes being completed by following technical scheme:
A kind of for railway bed location optional centering CPIII measuring method, it is characterized in that: described measuring method at least comprises the following steps: imbed bar in the CPIII measurement point injection one at scene, railway bed location, the underground soil body imbedded by described bar of imbedding, and installs a mark core print at described masthead end of imbedding; At described mark core print end face, one forced centering foot rest is installed, and described forced centering foot rest is adjusted to level; Being installed to by measuring prism after on described forced centering foot rest utilizes measuring prism to carry out CPIII measurement.
To install a forced centering foot rest at described mark core print end face be pass through, and offers a connecting hole, arrange a support bar bottom forced centering foot rest, be plugged in by support bar and realize in described connecting hole in mark core print end face center.
Described forced centering foot rest is adjusted to level refer to, hinged telescopic leveling bar on the leveling support of described forced centering foot rest, by leveling support described in the flexible push-and-pull that adjusts described leveling bar until level.
The curb underground soil body of the CPIII measurement point at the other end injection scene of described leveling bar.
Advantage of the present invention is: the scene that can realize optional centering CPIII survey mark basis, railway bed location is arranged; Simple and reasonable, easy and simple to handle, quick, method is simple, suitable popularization; The present invention can solve the difficult problem that existing railway driving is frequent, security risk is large, thoroughly solves original CPIII excavation and causes rail track unstable and then affect traffic safety, the difficult problem that long in time limit, cost is large.
Accompanying drawing explanation
Fig. 1 is apparatus structure generalized section involved in the present invention;
Fig. 2 is the cross-sectional view of forced centering foot rest in the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the cross-sectional view of leveling support in forced centering foot rest;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the partial enlarged drawing at A place in Fig. 2;
Fig. 7 is the partial enlarged drawing at B place in Fig. 2.
Fig. 8 is the cross-sectional view of survey mark in the present invention;
Fig. 9 is that the present invention gets the bid the structural representation of core print;
Figure 10 is the top view of Fig. 2;
Figure 11 is the structural representation imbedding bar in the present invention.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technician of the same trade:
As shown in figs. 1-11, mark 1-32 in figure to be respectively: leveling support 1, support bar 2, leveling bar 3, leveling bar 4, expansion coupling 5, positioner 6, connector 7, circular bubble 8, bubble tube 9, hinge 10, stop screw 11, limited block 12, telescopic shaft 13, trimming hand wheel 14, external member 15, interior stay tube 16, main body 17, slide block 18, spring 19, briquetting 20, mark core print 21, nameplate 22, imbed bar 23, stratum 24, top cap 25, connecting axle 26, plug-in opening 27, locating hole 28, cross recess 29, mesopore 30, survey mark 31, forced centering foot rest 32.
Embodiment: the basis that CPIII measuring prism can be set at the scene for roadbed location optional centering CPIII measuring method in the present embodiment, this basis comprises survey mark 31 and forced centering foot rest 32, wherein survey mark 31 is imbedded among the underground soil body of CPIII measurement point, CPIII survey mark is also marked while providing support for superstructure, and forced centering foot rest 32 is arranged on the top of survey mark 31, for installing CPIII measuring prism.
Measuring method in the present embodiment specifically comprises the following steps:
1, as shown in Figure 8, bar 23 is imbedded in the CPIII measurement point injection at scene, roadbed location, imbed bar 23 to imbed the underground soil body and keep stable, on the top imbedding bar 23, mark core print 21 be installed, imbed bar 23 and mark core print 21 form the optional centering CPIII in roadbed location measure in survey mark 31.
As shown in Figure 8, imbed bar 23 and imbed in the stratum 24 residing for survey mark as fixture, its length of embedment need ensure that survey mark can be stably fixed among stratum 24.As shown in figure 11, the top imbedding bar 23 offers plug-in opening 27, and plug-in opening 27 is fixedly connected with mark core print 21, makes to imbed bar 23 and mark core print 21 to connect and compose one.
As shown in Fig. 9,10, mark core print 21 is made up of top cap 25 and connecting axle 26, and wherein connecting axle 26 is fixedly connected on the bottom surface of top cap 25.The diameter of axle of connecting axle 26 and the aperture of plug-in opening 27 coincide adaptive, and the outer wall surface of connecting axle 26 is provided with external screw thread, the inner wall surface imbedding the plug-in opening 27 on bar 23 top is provided with internal thread, is coordinated form detachable being fixedly connected with between connecting axle 26 with plug-in opening 27 by internal and external screw thread.The end face of top cap 25 is provided with the cross recess 29 intersected, and the point of intersection of cross recess 29 offers the locating hole 28 for connecting measurement mechanism, and the outer profile size of the aperture of locating hole 28 and the fit connection of its top measurement mechanism coincide adaptive.Why locating hole 28 being arranged on the center of top cap 25, is to make top cap 25 keep uniform stress, avoids the measurement mechanism that is connected in locating hole 28 unbalance on the cap 25 of top.
At mark core print 21 with imbed between bar 23 and be fixedly installed nameplate 22, nameplate 22 is for marking the relevant information such as period of circuit residing for survey mark, survey mark.Nameplate 22 offers mesopore 30, the size of mesopore 30 is coincide adaptive with the diameter of axle of the connecting axle 26 of mark core print 21, connecting axle 26 can be fixedly connected with the plug-in opening 27 imbedding bar 23 through after mesopore 30, thus complete the fixing of nameplate 22.
2, installing a forced centering foot rest 32 at mark core print 21 end face, and forced centering foot rest 32 is adjusted to level, is to make the datum clamp face of top prism be plane by forced centering foot rest 32 leveling.
As shown in Figure 2,3, forced centering foot rest 32 comprises leveling support 1, and the top of leveling support 1 connects the measuring prism supporting CPIII and measure.Support bar 2, leveling bar 3, leveling bar 4 is provided with bottom leveling support 1, each body of rod utilizes determine at 3, and the principle of plane determines a plane for leveling support 1, and make this planar horizontal by adjustment two leveling bars, thus make the measuring prism also level on leveling support 1 and top thereof.Support bar 2 is fixedly connected on the center of leveling support 1 bottom surface as the fixed point in 3 o'clock, and is plugged in the locating hole 28 of mark core print 21 end face, and leveling support 1 is on same vertical curve with the center of mark core print 21.Leveling bar 3 and leveling bar 4 form respectively by hinge 10 and leveling support 1 and are rotatably assorted, and leveling bar 3 and leveling bar 4 can be rotated around leveling support 1 respectively by hinge 10, support to coordinate support bar 2 pairs of leveling supports 1.The shaft of leveling bar 3 and leveling bar 4 is respectively arranged with expansion coupling 5 and positioner 6, expansion coupling 5 is for adjusting the shaft length of leveling bar 3 or leveling bar 4, thus push-and-pull is carried out to leveling support 1, realize the plane adjustment of leveling support 1, and positioner 6 is for the locking of expansion coupling 5, avoid expansion coupling 5 cannot ensure the stable support state of leveling pole pair leveling support 1 after stretching.The body of rod axis angle of leveling bar 3 and leveling bar 4 is rectangular, can from perpendicular both direction push-and-pull leveling support 1 to adjust its surface levelness both making.Leveling bar 3 and leveling bar 4 after support bar 2 inserts mark core print 21, its bottom be supported on surface, stratum 21 respectively or insert into stratum 21 a little.
As shown in Figure 4,5, the surface of leveling support 1 is fixedly connected with connector 7, circular bubble 8 and bubble tube 9, wherein the outer profile size of connector 7 and the portion that the is connected matching size of its top measuring prism share in being connected and fixed top measuring prism, and circular bubble 8 and bubble tube 9 are respectively used to the levelness of monitoring leveling support 1 surface.Angle between two bubble tubes 9 is vertical, to monitor the levelness in the perpendicular both direction of leveling support 1.When three bubble show respectively leveling support 1 be in level time, measuring prism can be connected on connector 7 by technician.
As shown in Figure 6, expansion coupling 5 comprises stop screw 11, limited block 12, telescopic shaft 13, trimming hand wheel 14, external member 15, interior stay tube 16.Limited block 12 is fixed on the two side ends head of telescopic shaft 13 by two screws 11 respectively.It is inner that telescopic shaft 13 is sleeved on stay tube 16 in upper and lower two, and flexible week 13 coordinates formation to be connected and fixed with between interior stay tube 16 by internal and external screw thread.Connecting axle 13 is provided with trimming hand wheel 14 and external member 15, trimming hand wheel 14 is rotationally connected axle 13 for technician, make it flexible from interior stay tube 16 by threaded engagement, realize the length adjustment of leveling bar 3 and leveling bar 4, external member 15 is for carrying out spacing to trimming hand wheel 14.Be arranged on the outer profile size of outer profile size slightly larger than telescopic shaft 13 of the limited block 12 of connecting axle 13 two ends head, after telescopic shaft 13 screws out elongation in interior stay tube 16, can stop that telescopic shaft 13 departs from interior stay tube 16.Interior municipal administration 16 is arranged on the shaft of leveling bar 3 and leveling bar 4.
As shown in Figure 7, leveling bar 3 is provided with the positioner for carrying out locking positioning to leveling bar 3, when the length of leveling bar 3 needs to adjust, unlocking locating device, makes leveling bar 3 carry out length adjustment by the expansion coupling 5 on its body of rod; And when the length adjustment of leveling bar 3 is complete coincidence measurement needs time, locking positioning device, makes the length of leveling bar 3 be fixed, measurement misalignment when avoiding measuring caused by leveling bar 3 change in length.Positioner is made up of main body 17, slide block 18, spring 19, briquetting 20, is wherein provided with a cambered surface in main body 17, and the inner surface of two pieces of slide blocks 18 coincide adaptive respectively with this cambered surface, form between the two and be slidably matched.Be connected and fixed by spring 19 between two pieces of slide blocks 18.Form inclined-plane between the outer surface of briquetting 20 and slide block 18 to fit.Leveling bar 3 is clamped between slide block 18 and briquetting 20.In use, by briquetting 20 to pressing down, the inclined-plane of briquetting 20 can extrude two pieces of slide blocks, 18, two pieces of slide blocks 18 and can move in opposite directions along the cambered surface of main body 17, and now leveling bar 3 unlocks, and realizes freely adjusting of its length.Unclamp briquetting 20 after length adjustment completes, now spring 19 resets, and two pieces of slide blocks 18 move upward until coordinated the locking to leveling bar 3 with briquetting 20 along the cambered surface of main body 17.Leveling bar 4 is also provided with the positioner identical with on leveling bar 3.
3, being installed to by measuring prism after on described forced centering foot rest utilizes measuring prism to carry out CPIII measurement.
The present embodiment is in the specific implementation: measuring method for the raising of CPIII certainty of measurement main be embodied in avoid Fundamentals of Measurement because of ambient influnence cause distortion time, the datum certainty of measurement that inherently out-of-flatness causes of measuring prism support reduces.
Although elaborate the design of the object of the invention and embodiment with reference to accompanying drawing with above-described embodiment, but those of ordinary skill in the art can recognize, the essence of above-described embodiment measures required basis at measurement point in-site measurement, realizes high-precision CPIII and measure.So under the precondition not departing from claim limited range, still various improvement and conversion can be made to the present invention, as: the specific constructive form of expansion coupling 5, level gauge form of structure, the kind on leveling support 1 surface, the specific constructive form etc. of mark core print 21 end face, therefore do not repeat one by one at this.
Claims (4)
1., for a railway bed location optional centering CPIII measuring method, it is characterized in that: described measuring method at least comprises the following steps:
Imbed bar in the CPIII measurement point injection one at scene, railway bed location, described in imbed bar and imbed the underground soil body, at described masthead end of imbedding, one mark core print is installed;
At described mark core print end face, one forced centering foot rest is installed, and described forced centering foot rest is adjusted to level;
Being installed to by measuring prism after on described forced centering foot rest utilizes measuring prism to carry out CPIII measurement.
2. one according to claim 1 is used for railway bed location optional centering CPIII measuring method, it is characterized in that: at described mark core print end face, one forced centering foot rest is installed, by offering a connecting hole in mark core print end face center, one support bar is set bottom forced centering foot rest, support bar is plugged in and realizes in described connecting hole.
3. one according to claim 2 is used for railway bed location optional centering CPIII measuring method, it is characterized in that: described forced centering foot rest is adjusted to level, refer to hinged telescopic leveling bar on the leveling support of described forced centering foot rest, by leveling support described in the flexible push-and-pull that adjusts described leveling bar until level.
4. one according to claim 3 is used for railway bed location optional centering CPIII measuring method, it is characterized in that: the railway shoulder underground soil body of the CPIII measurement point at the other end injection scene of described leveling bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298147.8A CN105002936B (en) | 2015-06-03 | 2015-06-03 | For the optional centering CPIII measuring methods in railway bed location |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298147.8A CN105002936B (en) | 2015-06-03 | 2015-06-03 | For the optional centering CPIII measuring methods in railway bed location |
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| Publication Number | Publication Date |
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| CN105002936A true CN105002936A (en) | 2015-10-28 |
| CN105002936B CN105002936B (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014363A (en) * | 2017-05-26 | 2017-08-04 | 中铁四局集团建筑工程有限公司 | A kind of new measurement mark workpiece for ensureing measurement accuracy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325901A (en) * | 1998-05-15 | 1999-11-26 | Keihan Koji Kk | Special measurement rivet for automatic tracking total station displacement observation system (with built-in corner prism) |
| CN101122460A (en) * | 2007-08-15 | 2008-02-13 | 张立品 | Triangle automatic horizontally-placed centering system for reflecting mirror and index tag |
| CN202329634U (en) * | 2011-09-02 | 2012-07-11 | 成都普罗米新科技有限责任公司 | Measuring nail |
| CN204301741U (en) * | 2014-12-04 | 2015-04-29 | 上海岩土工程勘察设计研究院有限公司 | A kind of quick installation aiding device of forced centering control point |
-
2015
- 2015-06-03 CN CN201510298147.8A patent/CN105002936B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11325901A (en) * | 1998-05-15 | 1999-11-26 | Keihan Koji Kk | Special measurement rivet for automatic tracking total station displacement observation system (with built-in corner prism) |
| CN101122460A (en) * | 2007-08-15 | 2008-02-13 | 张立品 | Triangle automatic horizontally-placed centering system for reflecting mirror and index tag |
| CN202329634U (en) * | 2011-09-02 | 2012-07-11 | 成都普罗米新科技有限责任公司 | Measuring nail |
| CN204301741U (en) * | 2014-12-04 | 2015-04-29 | 上海岩土工程勘察设计研究院有限公司 | A kind of quick installation aiding device of forced centering control point |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014363A (en) * | 2017-05-26 | 2017-08-04 | 中铁四局集团建筑工程有限公司 | A kind of new measurement mark workpiece for ensureing measurement accuracy |
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| CN105002936B (en) | 2017-07-14 |
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