CN102864745A - PC beam prestressed pipeline three-dimensional position indicator - Google Patents
PC beam prestressed pipeline three-dimensional position indicator Download PDFInfo
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- CN102864745A CN102864745A CN2012103278096A CN201210327809A CN102864745A CN 102864745 A CN102864745 A CN 102864745A CN 2012103278096 A CN2012103278096 A CN 2012103278096A CN 201210327809 A CN201210327809 A CN 201210327809A CN 102864745 A CN102864745 A CN 102864745A
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Abstract
The invention relates to the field of bridge precast beam pipeline positioning construction, and in particular relates to a PC beam prestressed pipeline three-dimensional position indicator, in order to solve the problems that the existing traditional manual positioning is multiple in repeated operation, great in manual operation and great in pipeline positioning deviation, and the like. The PC beam prestressed pipeline three-dimensional position indicator comprises a base, a vertical scale and a horizontal scale, wherein the vertical scale is fixed on the base; the horizontal scale is mutually vertical to the vertical scale and movably connected with the vertical scale through a sliding sleeve; an inclined support rod is fixed between the vertical scale and the horizontal scale; two ends of the inclined support rod are respectively and movably connected with the vertical scale and the horizontal scale; a level bubble is fixed above one end of the horizontal scale; and the other end of the horizontal scale is provided with two positioning scales capable of moving along the horizontal scale. A longitudinal, horizontal and vertical three-dimensional coordinate is adopted for positioning, the pipeline coordinates of a pipeline at different cross-section parts can be positioned accurately, and guarantee is provided for the construction quality, and the PC beam prestressed pipeline three-dimensional position indicator has the advantages of simple structure, small size, light weight, high accuracy and the like, is convenient to carry, is repeatedly used, and can perform accurate pipeline positioning.
Description
Technical field
The present invention relates to bridge precast beam location of pipeline construction field, be specially the girder pre-stressed pipeline three-dimensional locating device of a kind of PC.
Background technology
Prestressed concrete (PC) precast beam is one of bridge construction of extensive use in the highway and railway bridge, mostly the fabricated precast beam of this kind is to build in advance structural member as the beam body at Liang Chang processed, again it being moved to the job site assembles, so can significantly save the engineering time, after precast beam is transported to the job site from Liang Chang processed, just it need to be put in place with the precision lifting of setting up that allows.The big or small proportional relation of the size of precast beam bearing load and beam body permanent prestressing force, and in the beam body in the size of permanent prestressing force and the prefabrication of beam process coordinate of prestress wire pipeline and pipeline pleasantly spend direct relation arranged.Generally all provided the coordinate of prestress pipe in the design document, and it is different in the position at different cross section place owing to PC beam pipeline in the practice of construction, in the PC beam bellows is arranged, PC beam-ends head has a large amount of indulging in addition, horizontal stiffener, the prestress pipe positioning difficulty is large, the location is counted many, and in traditional work progress, only rely on and manually carry out location of pipeline, comparatively coarse, exist repetitive operation many, the manual operations error is large, the shortcomings such as inefficiency, cause the prestress pipe deviations large, pipeline behind the location is not straight, frictional resistance is larger in the steel strand tension process, cause that the permanent prestressing force loss is larger in the beam body, and then cause the beam body to have hidden danger of quality.
Summary of the invention
The present invention adopts traditional artificial location in order to solve existing prefabricated girder pre-stressed location of pipeline, has the problems such as many, the hand-manipulated errors of repetitive operation are large, the location of pipeline deviation is large, and the girder pre-stressed pipeline three-dimensional locating device of a kind of PC is provided.
The present invention adopts following technical scheme to realize: the girder pre-stressed pipeline three-dimensional locating device of PC, comprise base, be fixed on the base vertical scale and with mutual vertical and the horizontal scale by the sliding sleeve flexible connection of vertical scale, be provided with hound between vertical scale and the horizontal scale, the hound two ends are flexibly connected with vertical scale, horizontal scale respectively, laterally scale one end top is fixed with air level, and laterally the scale other end is provided with two Position Scales that can move along horizontal scale.Described air level is existing known products, and its effect is to guarantee that position indicator is horizontal when measuring, and guarantees certainty of measurement.
In order further to optimize the structure of this position indicator, improve its function, the present invention has also carried out following design,
Described vertical scale, horizontal scale and hound are the hollow tube that cross section is rectangle.
Described sliding sleeve is made of with vertical the first fixing horizontal sliding sleeve with first vertical sliding sleeve first vertical sliding sleeve of movable set on vertical scale;
Described hound one end is provided with the second vertical sliding sleeve that is slidingly matched with vertical scale, and the other end is hinged with the second horizontal sliding sleeve that is slidingly matched with horizontal scale.
Described two Position Scales consist of by the 3rd horizontal sliding sleeve that is slidingly matched with horizontal scale, the slide calliper rule that are fixed on the 3rd horizontal sliding sleeve top one end margin, and the slide calliper rule position on two Position Scales is symmetrical.
Operate for the ease of the job site, make things convenient for reading out data, all have locating hole on described first vertical sliding sleeve, the first horizontal sliding sleeve, second vertical sliding sleeve, the second horizontal sliding sleeve and the 3rd horizontal sliding sleeve, the position relative with position of positioning hole is equipped with setscrew nut, run through in the setscrew nut fastening screw is set, behind the position of adjusting horizontal scale, vertical scale and Position Scale, can be by tightening fastening screw, sliding sleeve and the scale that will fix are tightened together, play positioning action.
Adopt structure design of the present invention, when carrying out location of pipeline, unscrew first the fastening screw of first vertical sliding sleeve and hound one end second vertical sliding sleeve, make sliding sleeve and horizontal scale be in free state, then calculate along slope coordinate when the starting section according to drawing coordinate, slowly mobile horizontal scale makes it reach layout design ordinate position on vertical scale, then tighten the fastening screw on first vertical sliding sleeve and the second vertical sliding sleeve, it is fixed at vertical position; Then calculate the lateral coordinates of working as the starting section according to design drawing, unscrew the fastening screw of the first horizontal sliding sleeve and hound one end the second horizontal sliding sleeve, make sliding sleeve and horizontal scale be in free state, then according to the drawing lateral coordinates, the horizontal scale of move left and right is to the actual lateral coordinates of design drawing position slowly, then tighten the fastening screw on the first horizontal sliding sleeve and the second horizontal sliding sleeve, unscrew again the fastening screw of the 3rd horizontal sliding sleeve on the Position Scale, two Position Scales of move left and right, locate respectively position, the left and right sides, PC beam duct, the fastening screw of tightening at last the 3rd horizontal sliding sleeve is fixed.
In order to reduce traditional working procedure bridge construction is impacted, PC beam location of pipeline instrument of the present invention adopts longitudinal and transverse, perpendicular three-dimensional coordinate to locate, accurately targeted duct is at the pipeline coordinate of different cross section position, for construction quality provides safeguard, have simple in structure, volume is little, lightweight, easy to carry, can reuse, targeted duct accurately, the precision advantages of higher, not only can be used for locating the accurate location of prestress pipe in the PC beam, and can be used for reinforcing bar that other bridge construction has relatively high expectations or the accurate location of other parts.The accurate location of PC beam beam prestressing with bond pipeline and the pleasantly degree problem of whole pipeline have been solved, two workman's compounding practices of this equipment of use, can accurately control the coordinate of prestress pipe, make whole pipeline smoother, guarantee that pipeline is longitudinal and transverse, vertical position is accurate, thereby reduce the stress loss in the prestress wire stretch-draw.
The beneficial effect that compared with prior art has:
1) compare with traditional prestressed pipe channel positioning method, position indicator of the present invention can accurately be located longitudinal and transverse, vertical prestressing pipeline coordinate has great role to the pleasantly degree that improves prestress pipe;
2) light and handy, portable, can process everywhere, cost of manufacture is low, and is easy to use, quick;
3) but many prestress pipes on the one-time positioning beam body section drop into littlely, it is high to produce effect, is applicable to the prestress pipe location of beam prefabricated of large-scale PC;
4) benefit comparison
1. the conventional pipelines location needs 4 people's operations, namely 2 people weld spacer bars in the front, and 2 people's poling roads adopt this position indicator only to need 2 people quantitative determination site in the poling road, welding spacer bars and adjustment pipeline have certain economic benefit saving than conventional method aspect economic benefit;
2. adopting this position indicator location prestress pipe to compare with conventional method in longitudinal and transverse, the vertical coordinate of pipeline, pipeline integral body pleasantly has significant quality to promote aspect the degree, to reducing the prestressed stretch-draw loss, improve beam body permanent prestressing force, and then raising beam body supporting capacity aspect has extraordinary social benefit.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of hound among Fig. 1;
Fig. 4 is the structural representation of sliding sleeve among Fig. 1;
Fig. 5 is the structural representation of Position Scale among Fig. 1;
Among the figure: the 1-base; The vertical scale of 2-; The horizontal scale of 3-; The 4-hound; The 5-air level; The 6-bellows; 7-first vertical sliding sleeve; 8-the first horizontal sliding sleeve; 9-second vertical sliding sleeve; 10-the second horizontal sliding sleeve; 11-the 3rd horizontal sliding sleeve; The 12-slide calliper rule; The 13-setscrew nut; The 14-fastening screw.
The specific embodiment
The girder pre-stressed pipeline three-dimensional locating device of PC, as shown in Figure 1, 2, comprise base 1, be fixed on the base vertical scale 2 and with mutual vertical and the horizontal scale 3 by the sliding sleeve flexible connection of vertical scale, be provided with hound 4 between vertical scale and the horizontal scale, the hound two ends are flexibly connected with vertical scale, horizontal scale respectively, laterally scale one end top is fixed with air level 5, and laterally the scale other end is provided with two Position Scales that can move along horizontal scale.Vertical scale 2, horizontal scale 3 and hound 4 are the hollow tube that cross section is rectangle.In the above-mentioned building block, base is to be used for fixing the location of pipeline instrument, prevents that it from vacillating now to the left, now to the right, and affects the location instrument precision; Vertical scale is used for accurately locating prestress pipe at the scale of doing of vertical cross-section position, the mm of unit; Laterally scale is used for accurately locating prestress pipe at the coordinatometer of localized cross-sectional lateral attitude, the mm of unit; Hound is used for fixing the position of horizontal scale and vertical scale, makes it keep mutually vertical; Air level is used for regulating horizontal scale, makes it keep horizontal level; Sliding sleeve can move freely horizontal scale and vertical scale, accurately the targeted duct coordinate; Position Scale is used for the scale of both sides, targeted duct lateral attitude.
As shown in Figure 4, sliding sleeve is made of with vertical the first fixing horizontal sliding sleeve 8 with first vertical sliding sleeve first vertical sliding sleeve 7 of movable set on vertical scale; As shown in Figure 3, hound 4 one ends are provided with the second vertical sliding sleeve 9 that is slidingly matched with vertical scale, and the other end is hinged with the second horizontal sliding sleeve 10 that is slidingly matched with horizontal scale.As shown in Figure 5, two Position Scales consist of by the 3rd horizontal sliding sleeve 11 that is slidingly matched with horizontal scale, the slide calliper rule 12 that are fixed on the 3rd horizontal sliding sleeve top one end margin, and the slide calliper rule position on two Position Scales is symmetrical.All have locating hole on first vertical sliding sleeve 7, the first horizontal sliding sleeve 8, second vertical sliding sleeve 9, the second horizontal sliding sleeve 10 and the 3rd horizontal sliding sleeve 11, the position relative with position of positioning hole is equipped with setscrew nut 13, runs through in the setscrew nut fastening screw 14 is set.
The concrete operations flow process is as follows:
(1) reinforcing steel bar-binding bench mould section steel manufacture vertically cuts notch according to rebar spacing, guarantees the reinforcing bar accurate positioning, and is easy to operate.
(2) web reinforcement separates technology for binding, all colligation moulding on the reinforcing bar binding pedestal of web reinforcement and prestressed pore passage network for location at the bottom of the beam body at the bottom of employing beam body ballast tub slab muscle and the beam body.Be provided with fixing reinforcing bar and tire jig that each is pre-buried on the reinforcing bar binding pedestal, relatively accurate to guarantee its position.
(3) with straddle truck it is hung in beam making bench.Then adjust, replenish reinforcing bar, the dress built-in fitting.
(4) accurately calculate the concrete coordinate position of PC beam pipeline by the drawing of designing unit;
(5) size of field lofting PC beam and check with the particular location of drawing;
(6) determine the lengthwise position of PC beam bellows according to pedestal masterplate notch or use invar tape, and use the marking pen record position;
(7) when carrying out location of pipeline, unscrew first the fastening screw of first vertical sliding sleeve and hound one end second vertical sliding sleeve, make sliding sleeve and horizontal scale be in free state, then calculate along slope coordinate when the starting section according to drawing coordinate, slowly mobile horizontal scale on vertical scale, make it reach layout design ordinate position, then tighten the fastening screw on first vertical sliding sleeve and the second vertical sliding sleeve, it is fixed at vertical position;
(8) then calculate the lateral coordinates of working as the starting section according to design drawing, unscrew the fastening screw of the first horizontal sliding sleeve and hound one end the second horizontal sliding sleeve, make sliding sleeve and horizontal scale be in free state, then according to the drawing lateral coordinates, the horizontal scale of move left and right is to the actual lateral coordinates of design drawing position slowly, then tighten the fastening screw on the first horizontal sliding sleeve and the second horizontal sliding sleeve, unscrew again the fastening screw of the 3rd horizontal sliding sleeve on the Position Scale, two Position Scales of move left and right, locate respectively position, the left and right sides, PC beam duct, the fastening screw of tightening at last the 3rd horizontal sliding sleeve is fixed.
(9) horizontal reinforcement and the Bracket for steel bar at welding Position Scale place carry out mark;
(10) will guarantee before the pipe laying that it is unobstructed, pipeline is obstructed, not only wears the muscle difficulty, and can produce very large frictional resistance, affects the accuracy of stretching force; Should guarantee the linear irregularity of pipeline, joint is spillage etc. not;
(11) during pipe laying, should remove the termination burr, crimping and knuckle, strict guarantee pipeline straight line is smooth-going, curve is round and smooth, tube wall without damaged, joint sealing is good, each section accurate positioning, solid and reliable, smooth to guarantee lashing, pressure drop is unobstructed not to be revealed;
(12) behind the pipeline installation in position, must be with iron wire with bellows and Bracket for steel bar is held together or at reinforcing bar of bellows welded top, in case bellows come-up and cause serious quality accident during concreting.
(13) after bellows installs, use the plastic colloidal cloth sealing between the joint, then begin closed-water test by grout hole, check whether bellows leaks, to seal with plastic colloidal cloth the place of leaking, finish closed-water test after, begin to put the water in the clean bellows from the minimum position of bellows;
(14) shrouded bellow.
Claims (6)
1. girder pre-stressed pipeline three-dimensional locating device of PC, it is characterized in that comprising base (1), be fixed on the base vertical scale (2) and with mutual vertical and the horizontal scale (3) by the sliding sleeve flexible connection of vertical scale, be provided with hound (4) between vertical scale and the horizontal scale, the hound two ends are flexibly connected with vertical scale, horizontal scale respectively, laterally scale one end top is fixed with air level (5), and laterally the scale other end is provided with two Position Scales that can move along horizontal scale.
2. the girder pre-stressed pipeline three-dimensional locating device of PC according to claim 1 is characterized in that described vertical scale (2), horizontal scale (3) and hound (4) are the hollow tube that cross section is rectangle.
3. the girder pre-stressed pipeline three-dimensional locating device of PC according to claim 1 is characterized in that described sliding sleeve is made of with vertical the first fixing horizontal sliding sleeve (8) with first vertical sliding sleeve first vertical sliding sleeve (7) of movable set on vertical scale.
4. the girder pre-stressed pipeline three-dimensional locating device of PC according to claim 1, it is characterized in that described hound (4) one ends are provided with the second vertical sliding sleeve (9) that is slidingly matched with vertical scale, the other end is hinged with the second horizontal sliding sleeve (10) that is slidingly matched with horizontal scale.
5. the girder pre-stressed pipeline three-dimensional locating device of PC according to claim 1, it is characterized in that described two Position Scales consist of by the 3rd horizontal sliding sleeve (11) that is slidingly matched with horizontal scale, the slide calliper rule (12) that are fixed on the 3rd horizontal sliding sleeve top one end margin, the slide calliper rule position on two Position Scales is symmetrical.
6. according to claim 3 to the girder pre-stressed pipeline three-dimensional locating device of 5 described PC, it is characterized in that all having locating hole on first vertical sliding sleeve (7), the first horizontal sliding sleeve (8), second vertical sliding sleeve (9), the second horizontal sliding sleeve (10) and the 3rd horizontal sliding sleeve (11), the position relative with position of positioning hole is equipped with setscrew nut (13), runs through in the setscrew nut fastening screw (14) is set.
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| CN201210327809.6A CN102864745B (en) | 2012-09-07 | 2012-09-07 | The girder pre-stressed pipeline three-dimensional locating device of PC |
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| CN201210327809.6A CN102864745B (en) | 2012-09-07 | 2012-09-07 | The girder pre-stressed pipeline three-dimensional locating device of PC |
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| CN102864745B CN102864745B (en) | 2016-01-20 |
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Cited By (12)
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| CN103542821A (en) * | 2013-09-26 | 2014-01-29 | 中国核工业华兴建设有限公司 | Positioning detection method and special positioning device of pipe chute cover plate |
| CN104229215A (en) * | 2014-08-04 | 2014-12-24 | 太仓市同维电子有限公司 | POF film sealing line center straightness keeping method and device of simple pedal-powered sealing machine |
| CN108560937A (en) * | 2018-05-04 | 2018-09-21 | 河南省第二建筑工程发展有限公司 | A kind of Cooling Tower Wall Construction improves the small tool of hyperbola control accuracy |
| CN109137737A (en) * | 2018-09-04 | 2019-01-04 | 中交路桥华南工程有限公司 | Cable guide pipe positioning device |
| CN109186415A (en) * | 2018-09-14 | 2019-01-11 | 北京城建十六建筑工程有限责任公司 | A kind of prestress pipe installation scale and its quick application method |
| CN109443328A (en) * | 2018-11-30 | 2019-03-08 | 宁夏路桥工程股份有限公司 | A kind of prestress pipe coordinate location ruler and its application method |
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| CN111058382A (en) * | 2019-12-30 | 2020-04-24 | 中国五冶集团有限公司 | Adjustable bracket for prestressed pipe and supporting and fixing method for prestressed pipe |
| CN111155443A (en) * | 2020-02-14 | 2020-05-15 | 中国建筑第四工程局有限公司 | Corrugated pipe penetrating positioning device and positioning method |
| CN112252483A (en) * | 2020-10-23 | 2021-01-22 | 中建科工集团有限公司 | Support top support of assembled truss |
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| CN103542821B (en) * | 2013-09-26 | 2015-12-02 | 中国核工业华兴建设有限公司 | A kind of inclined tube cover plate position finding and detection method |
| CN103542821A (en) * | 2013-09-26 | 2014-01-29 | 中国核工业华兴建设有限公司 | Positioning detection method and special positioning device of pipe chute cover plate |
| CN104229215A (en) * | 2014-08-04 | 2014-12-24 | 太仓市同维电子有限公司 | POF film sealing line center straightness keeping method and device of simple pedal-powered sealing machine |
| CN108560937A (en) * | 2018-05-04 | 2018-09-21 | 河南省第二建筑工程发展有限公司 | A kind of Cooling Tower Wall Construction improves the small tool of hyperbola control accuracy |
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| CN109137737B (en) * | 2018-09-04 | 2024-03-26 | 中交路桥华南工程有限公司 | Cable conduit positioning device |
| CN109186415A (en) * | 2018-09-14 | 2019-01-11 | 北京城建十六建筑工程有限责任公司 | A kind of prestress pipe installation scale and its quick application method |
| CN109443328A (en) * | 2018-11-30 | 2019-03-08 | 宁夏路桥工程股份有限公司 | A kind of prestress pipe coordinate location ruler and its application method |
| CN109443328B (en) * | 2018-11-30 | 2024-03-22 | 宁夏公路桥梁建设有限公司 | Prestressed pipeline coordinate positioning ruler and use method thereof |
| CN109537472B (en) * | 2019-01-17 | 2023-08-15 | 中交四公局第十工程有限公司 | Precast beam end bottom die rotating hinge device and application method thereof |
| CN109537472A (en) * | 2019-01-17 | 2019-03-29 | 中交四公局第十工程有限公司 | A kind of prefabricated beam end bed die turning hinge device and its application method |
| CN111058382A (en) * | 2019-12-30 | 2020-04-24 | 中国五冶集团有限公司 | Adjustable bracket for prestressed pipe and supporting and fixing method for prestressed pipe |
| CN111155443A (en) * | 2020-02-14 | 2020-05-15 | 中国建筑第四工程局有限公司 | Corrugated pipe penetrating positioning device and positioning method |
| CN112252483A (en) * | 2020-10-23 | 2021-01-22 | 中建科工集团有限公司 | Support top support of assembled truss |
| CN114032774A (en) * | 2021-11-10 | 2022-02-11 | 中建新疆建工土木工程有限公司 | Device for positioning prestressed pipeline of cast-in-situ continuous box girder |
| CN114032774B (en) * | 2021-11-10 | 2024-02-02 | 中建新疆建工土木工程有限公司 | Device for positioning prestressed pipeline of cast-in-situ continuous box girder |
| CN114182637A (en) * | 2021-12-09 | 2022-03-15 | 中国一冶集团有限公司 | Positioning construction method of bridge corrugated pipe |
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